/* Capsule extension for the AI × HTML video deck.
   Fonts, palette, grain, pill geometry and navigation remain inherited
   from the original Capsule template. */

body {
  background: var(--bg);
}

/* The source index contains a legacy template shell. Keep it from flashing
   before deck-content.js replaces it with the actual presentation. */
body:not(.deck-ready) .presentation { visibility: hidden; }
body.deck-ready .presentation { visibility: visible; }

.deck-slide {
  background:
    radial-gradient(ellipse at 12% 12%, rgba(245, 184, 149, 0.12), transparent 34%),
    radial-gradient(ellipse at 88% 84%, rgba(139, 180, 247, 0.10), transparent 38%),
    var(--bg);
}

.deck-slide.active .reveal {
  animation: capsule-rise .58s cubic-bezier(.22, 1, .36, 1) both;
}

.deck-slide.active .reveal-d2 { animation-delay: .09s; }
.deck-slide.active .reveal-d3 { animation-delay: .18s; }
.deck-slide.active .reveal-d4 { animation-delay: .27s; }

/* The route cards are animated by GSAP so CSS does not compete for transform/opacity. */
.deck-slide.source-slide-3 .route-card.reveal {
  animation: none;
  transform-origin: center center;
  will-change: transform, opacity;
}

@keyframes capsule-rise {
  from { opacity: 0; transform: translateY(22px) scale(.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.deck-head {
  width: min(1520px, 88vw);
  margin: 0 auto 1.4rem;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  position: relative;
  z-index: 5;
}

.deck-head.center {
  align-items: center;
  flex-direction: column;
  text-align: center;
  gap: .8rem;
}

.deck-head h2,
.deck-head h1,
.display-serif {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -.025em;
}

.deck-head h2 {
  font-size: clamp(2rem, 3.5vw, 3.5rem);
  max-width: 18ch;
}

.deck-head p {
  font-size: clamp(.9rem, 1.1vw, 1.08rem);
  line-height: 1.55;
  max-width: 42ch;
  opacity: .62;
}

.eyebrow,
.chip,
.mini-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--outline);
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: .11em;
  font-weight: 600;
  white-space: nowrap;
}

.eyebrow {
  padding: .55rem 1.3rem;
  background: var(--yellow);
  font-size: .72rem;
  margin-bottom: .85rem;
}

.chip {
  padding: .55rem 1rem;
  font-size: .68rem;
}

.mini-chip {
  padding: .32rem .7rem;
  font-size: .58rem;
}

.surface {
  background: #fff;
  border: 2px solid var(--outline);
  border-radius: 2rem;
  box-shadow: 8px 8px 0 var(--shadow);
}

.float-pill {
  position: absolute;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--outline);
  border-radius: 9999px;
  font-size: .63rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  pointer-events: none;
}

.dot-field {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .28;
  background-image: radial-gradient(var(--outline) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at center, #000 0 22%, transparent 72%);
}

/* 01 — cover */
.deck-slide.source-slide-1 {
  justify-content: center;
  align-items: center;
}

/* Agent prompt + workflow pages */
.agent-prompt-slide,
.agent-workflow-slide { justify-content: center; }
.agent-prompt-slide .deck-head { margin-bottom: 1.1rem; }
.agent-prompt-window { width: min(1360px, 86vw); margin: 0 auto; overflow: hidden; background: #fbfbf7; }
.agent-prompt-bar { display:flex; align-items:center; gap:1rem; padding:.8rem 1.2rem; border-bottom:2px solid var(--outline); background:#fff; }
.agent-window-dots { display:flex; gap:.35rem; }
.agent-window-dots i { width:11px; height:11px; display:block; border:1px solid var(--outline); border-radius:50%; }
.agent-window-title { display:flex; flex-direction:column; gap:.1rem; flex:1; font-size:.75rem; }
.agent-window-title small { opacity:.48; font-size:.62rem; font-weight:400; }
.agent-prompt-body { display:grid; grid-template-columns: 190px 1fr; min-height: min(445px, 48vh); }
.agent-prompt-side { display:flex; flex-direction:column; gap:.45rem; padding:1.4rem 1.2rem; border-right:1px solid rgba(30,30,30,.16); background:linear-gradient(180deg,var(--lavender),#fff 75%); font-size:.82rem; }
.agent-avatar,.prompt-avatar { display:grid; place-items:center; width:38px; height:38px; border:2px solid var(--outline); border-radius:50%; background:var(--violet); color:#fff; font-weight:700; }
.agent-prompt-side small { opacity:.58; line-height:1.4; }
.agent-side-tag { margin-top:auto; align-self:flex-start; padding:.4rem .65rem; border:1.5px solid var(--outline); border-radius:999px; font-size:.58rem; font-weight:700; }
.agent-prompt-main { padding:1.35rem 1.7rem 1rem; display:flex; flex-direction:column; }
.agent-message-label { display:flex; align-items:center; gap:.6rem; font-size:.72rem; font-weight:600; }
.agent-message-label .prompt-avatar { width:28px; height:28px; font-size:.58rem; background:var(--coral); }
.prompt-time { margin-left:auto; opacity:.4; font-size:.62rem; font-weight:400; }
.agent-message-card { max-width:860px; margin:1rem 0 1rem 2.35rem; padding:1.2rem 1.35rem; border:2px solid var(--outline); border-radius:1.15rem 1.15rem 1.15rem .25rem; background:#fff; box-shadow:5px 5px 0 rgba(30,30,30,.08); font-size:clamp(.78rem,1vw,.94rem); line-height:1.6; }
.agent-message-card p { margin-bottom:.65rem; font-weight:600; }
.agent-message-card ul { padding-left:1.15rem; opacity:.74; }
.agent-message-card li + li { margin-top:.24rem; }
.agent-prompt-footer { display:flex; align-items:center; justify-content:space-between; gap:1rem; margin-top:auto; padding-top:.8rem; border-top:1px solid rgba(30,30,30,.14); font-size:.65rem; opacity:.7; }
.status-dot { display:inline-block; width:7px; height:7px; margin-right:.35rem; border-radius:50%; background:var(--lime); border:1px solid var(--outline); }
.prompt-send { border:2px solid var(--outline); border-radius:999px; padding:.55rem .9rem; background:var(--yellow); font:700 .68rem var(--font-body); cursor:pointer; }
.agent-prompt-note,.workflow-takeaway { display:flex; align-items:center; justify-content:center; gap:.9rem; margin:1.2rem auto 0; font-size:clamp(.78rem,1.1vw,1rem); }
.agent-prompt-note strong,.workflow-takeaway strong { font-weight:600; }
.agent-workflow { width:min(1380px,88vw); margin:0 auto; display:grid; grid-template-columns:1fr 100px 1fr 100px 1fr; align-items:stretch; gap:1rem; }
.workflow-step { position:relative; min-height:270px; padding:2rem 1.6rem 1.4rem; border:2px solid var(--outline); border-radius:1.6rem; background:#fff; box-shadow:7px 7px 0 rgba(30,30,30,.08); }
.workflow-number { position:absolute; top:-17px; left:1.3rem; padding:.42rem .72rem; border:2px solid var(--outline); border-radius:999px; font-size:.66rem; font-weight:700; }
.workflow-icon { display:grid; place-items:center; width:54px; height:54px; margin-bottom:1rem; border:2px solid var(--outline); border-radius:50%; background:var(--peach); font-size:1.5rem; }
.workflow-step:nth-of-type(3) .workflow-icon { background:var(--lime); }
.workflow-step:nth-of-type(5) .workflow-icon { background:var(--sky); }
.workflow-step h3 { font-family:var(--font-display); font-size:1.35rem; margin-bottom:.55rem; }
.workflow-step p { max-width:25ch; font-size:.8rem; line-height:1.55; opacity:.64; }
.workflow-step b { position:absolute; bottom:1.25rem; left:1.6rem; text-transform:uppercase; letter-spacing:.1em; font-size:.58rem; opacity:.45; }
.workflow-connector { display:flex; flex-direction:column; align-items:center; justify-content:center; gap:.5rem; }
.workflow-connector span { font-family:var(--font-display); font-size:2.5rem; }
.workflow-connector small { padding:.3rem .55rem; border:1px solid var(--outline); border-radius:999px; background:var(--yellow); font-size:.58rem; white-space:nowrap; }
.workflow-takeaway { margin-top:1.7rem; }
@media (max-width: 900px) {
  .agent-prompt-body { grid-template-columns:1fr; }
  .agent-prompt-side { display:none; }
  .agent-message-card { margin-left:0; }
  .agent-workflow { grid-template-columns:1fr; gap:1.3rem; }
  .workflow-connector { flex-direction:row; height:38px; }
  .workflow-connector span { transform:rotate(90deg); }
}

/* 14/21 — prompt message thread */
.agent-prompt-slide .prompt-thread {
  width: min(1360px, 86vw);
  height: min(610px, 68vh);
  min-height: 420px;
  margin: 0 auto;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(30,30,30,.12);
  border-radius: 1.35rem;
  background: #f7f7f5;
  box-shadow: 0 20px 52px rgba(30,30,30,.09);
}

.prompt-thread-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 58px;
  padding: 0 1.35rem;
  border-bottom: 1px solid rgba(30,30,30,.1);
  background: rgba(255,255,255,.82);
}

.prompt-thread-brand {
  display: flex;
  align-items: center;
  gap: .65rem;
  min-width: 0;
}

.prompt-thread-brand b { font-size: .74rem; font-weight: 650; }

.prompt-thread-viewport {
  height: calc(100% - 132px);
  overflow-y: auto;
  padding: 2.1rem 2.2rem 1.4rem;
  background: #fbfbfa;
  scrollbar-width: thin;
  scrollbar-color: rgba(30,30,30,.35) transparent;
}

.prompt-thread-viewport::-webkit-scrollbar { width: 7px; }
.prompt-thread-viewport::-webkit-scrollbar-track { background: transparent; }
.prompt-thread-viewport::-webkit-scrollbar-thumb { background: rgba(30,30,30,.28); border-radius: 999px; }

.prompt-thread-messages {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1rem;
  min-height: 100%;
}

.prompt-message {
  width: min(100%, 980px);
  display: none;
  padding: 1.15rem 1.3rem 1.2rem;
  border: 2px solid var(--outline);
  border-radius: 1.2rem 1.2rem .28rem 1.2rem;
  background: #fff;
  box-shadow: 5px 5px 0 rgba(30,30,30,.08);
  opacity: 0;
  transform: translateY(18px);
  pointer-events: none;
}

.prompt-message.is-visible {
  display: block;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  animation: prompt-message-in .42s cubic-bezier(.22,1,.36,1) both;
}

.prompt-message-head {
  display: flex;
  align-items: center;
  gap: .7rem;
  margin-bottom: .68rem;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .04em;
}

.prompt-message-label::before {
  content: 'You';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.2rem;
  margin-right: .55rem;
  padding: .25rem .42rem;
  border: 1.5px solid var(--outline);
  border-radius: 999px;
  background: var(--coral);
  font-size: .56rem;
  letter-spacing: .02em;
}

.prompt-message-time { margin-left: auto; opacity: .42; font-size: .6rem; font-weight: 400; }
.prompt-message p { font-size: clamp(.82rem, 1vw, .96rem); line-height: 1.62; opacity: .82; }

.prompt-thread-composer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 74px;
  padding: 0 1.35rem 0 1.6rem;
  border-top: 1px solid rgba(30,30,30,.14);
  background: rgba(255,255,255,.9);
}

.prompt-thread-placeholder { color: rgba(26,26,26,.4); font-size: .68rem; }

.agent-prompt-slide .prompt-send {
  min-width: 102px;
  border: 2px solid var(--outline);
  border-radius: 999px;
  padding: .62rem 1rem;
  background: var(--yellow);
  color: var(--fg);
  font: 700 .68rem var(--font-body);
  cursor: pointer;
  transition: transform .24s cubic-bezier(.22,1,.36,1), background .24s ease, opacity .24s ease;
}

.agent-prompt-slide .prompt-send:hover:not(:disabled) { transform: translateY(-3px); }

@keyframes prompt-message-in {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 900px) {
  .agent-prompt-slide .prompt-thread { width: 88vw; height: 70vh; min-height: 380px; }
  .prompt-thread-bar { height: 54px; padding: 0 1rem; }
  .prompt-thread-viewport { height: calc(100% - 120px); }
  .prompt-thread-viewport { padding: 1.4rem 1rem 1rem; }
  .prompt-message { width: 100%; padding: 1rem; }
  .prompt-thread-composer { height: 66px; padding: 0 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  .prompt-message,
  .prompt-message.is-visible,
  .agent-prompt-slide .prompt-send { animation: none; transition: none; }
  .prompt-message.is-visible { transform: none; }
}

.cover-content {
  position: relative;
  z-index: 3;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cover-title-pill {
  background: var(--yellow);
  padding: .85rem 2.2rem;
  margin-bottom: 1.5rem;
  border: 2px solid var(--outline);
  border-radius: 9999px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.cover-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 6.4vw, 6.6rem);
  font-weight: 800;
  letter-spacing: -.035em;
  line-height: .98;
  max-width: 14ch;
}

.cover-title strong {
  font-weight: 800;
  text-decoration: underline;
  text-decoration-thickness: .08em;
  text-decoration-color: var(--coral);
  text-underline-offset: .08em;
}

.cover-sub {
  margin-top: 1.3rem;
  text-transform: uppercase;
  letter-spacing: .13em;
  opacity: .58;
  font-size: .82rem;
}

/* 02 — before / after */
.compare-wrap {
  width: min(1480px, 86vw);
  height: min(650px, 62vh);
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.compare-pane {
  position: absolute;
  inset: 0;
  padding: 2rem;
}

.compare-before {
  background: #fff;
}

.compare-after {
  background: linear-gradient(135deg, var(--lavender), var(--peach) 50%, var(--mint));
  clip-path: inset(0 0 0 50%);
  transition: clip-path .12s linear;
}

.compare-label {
  position: absolute;
  top: 1rem;
  padding: .45rem 1rem;
  border: 2px solid var(--outline);
  border-radius: 9999px;
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  background: var(--bg);
  z-index: 4;
}

.compare-before .compare-label { left: 1rem; }
.compare-after .compare-label { right: 1rem; }

.note-lines {
  margin-top: 4rem;
  display: grid;
  gap: 1rem;
}

.note-line {
  height: 1rem;
  background: #deddd6;
  border-radius: 9999px;
}

.note-line:nth-child(2) { width: 82%; }
.note-line:nth-child(3) { width: 93%; }
.note-line:nth-child(4) { width: 58%; }

.after-demo {
  height: 100%;
  padding: 3.2rem 2.4rem 2rem;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 1.2rem;
}

.after-title {
  align-self: center;
}

.after-title h3 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 4.6rem);
  line-height: 1;
  letter-spacing: -.03em;
}

.after-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .85rem;
}

.after-card {
  min-height: 130px;
  border: 2px solid var(--outline);
  border-radius: 1.5rem;
  background: rgba(255,255,255,.82);
  padding: 1rem;
  font-weight: 700;
}

.compare-range {
  position: absolute;
  left: 50%;
  bottom: 1.2rem;
  transform: translateX(-50%);
  width: min(540px, 44vw);
  z-index: 8;
  accent-color: var(--coral);
}

.compare-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background: var(--outline);
  z-index: 7;
  pointer-events: none;
}

/* 03 — route */
.deck-slide.source-slide-3,
.deck-slide.source-slide-13 {
  justify-content: center;
}

.deck-slide.source-slide-3 .deck-head {
  position: relative;
  top: -.55rem;
}

.route-grid {
  width: min(1520px, 88vw);
  margin: .35rem auto 0;
  transform: translateY(-.45rem);
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
  position: relative;
  z-index: 3;
}

.route-card {
  min-height: 280px;
  padding: 1.5rem 1.2rem;
  border: 2px solid var(--outline);
  border-radius: 2rem;
  background: #fff;
  box-shadow: 6px 6px 0 var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  text-align: center;
}

.route-card .num {
  width: 56px;
  height: 56px;
  border: 2px solid var(--outline);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
}

.route-card h3 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  line-height: 1.05;
}

.route-card p {
  font-size: .78rem;
  line-height: 1.45;
  opacity: .58;
}

/* 04 — layers */
.deck-slide.source-slide-4 {
  justify-content: center;
}

.deck-slide.source-slide-4 .deck-head {
  position: relative;
  top: -1rem;
  margin-bottom: 1.15rem;
}

.layers-layout {
  width: min(1480px, 86vw);
  height: min(580px, 58vh);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 1.35rem;
  align-items: stretch;
}

.deck-slide.source-slide-4 .layers-layout {
  grid-template-columns: 1.28fr .72fr;
  gap: 2rem;
}

.deck-slide.source-slide-4 .layer-stack {
  gap: 1.2rem;
}

@media (max-width: 1200px) {
  .deck-slide.source-slide-4 .layers-layout {
    grid-template-columns: 1fr 420px;
  }
}

.anatomy-browser {
  min-width: 0;
  overflow: hidden;
  padding: 0;
  position: relative;
}

.anatomy-browser-bar {
  height: 48px;
  padding: 0 1.15rem;
  border-bottom: 2px solid var(--outline);
  display: flex;
  align-items: center;
  gap: .5rem;
  background: rgba(255, 255, 255, .82);
}

.anatomy-browser-bar .window-dot {
  width: 12px;
  height: 12px;
  border: 1.5px solid var(--outline);
  border-radius: 50%;
}

.anatomy-url {
  margin-left: .5rem;
  padding: .32rem .9rem;
  border: 1.5px solid var(--outline);
  border-radius: 9999px;
  font-size: .58rem;
  letter-spacing: .06em;
  opacity: .58;
}

.anatomy-canvas {
  position: absolute;
  inset: 48px 0 0;
  padding: 1.35rem;
  background:
    radial-gradient(circle at 88% 16%, rgba(160,108,232,.18), transparent 26%),
    radial-gradient(circle at 10% 88%, rgba(196,217,78,.16), transparent 30%),
    #fff;
}

.anatomy-structure {
  height: 100%;
  border: 2px dashed rgba(30,30,30,.28);
  border-radius: 1.4rem;
  padding: 1.1rem;
  display: grid;
  grid-template-rows: 46px 1fr 74px;
  gap: .9rem;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}

.anatomy-nav {
  display: grid;
  grid-template-columns: 1fr repeat(3, 50px);
  gap: .55rem;
  align-items: center;
}

.anatomy-nav > span:not(.anatomy-logo) {
  height: 8px;
  border-radius: 9999px;
  background: rgba(30,30,30,.22);
}

.anatomy-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
}

.anatomy-hero {
  min-height: 0;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  align-items: center;
  gap: 1rem;
  padding: 1.4rem;
  border: 2px solid var(--outline);
  border-radius: 1.5rem;
  background: linear-gradient(135deg, var(--lavender), var(--peach));
  box-shadow: 7px 7px 0 var(--shadow);
  transition: filter .3s ease, transform .3s ease, box-shadow .3s ease;
}

.anatomy-hero small {
  font-size: .55rem;
  letter-spacing: .1em;
  font-weight: 700;
}

.anatomy-hero strong {
  display: block;
  margin: .45rem 0 .55rem;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 3rem);
  line-height: .95;
}

.anatomy-hero p {
  font-size: .68rem;
  opacity: .58;
}

.anatomy-art {
  height: 100%;
  min-height: 160px;
  position: relative;
}

.anatomy-art i {
  position: absolute;
  border: 2px solid var(--outline);
  border-radius: 9999px;
  transition: transform .35s cubic-bezier(.22,1,.36,1);
}

.anatomy-art i:nth-child(1) {
  width: 82%;
  height: 52%;
  top: 6%;
  right: 0;
  background: var(--coral);
  transform: rotate(9deg);
}

.anatomy-art i:nth-child(2) {
  width: 68%;
  height: 46%;
  left: 0;
  bottom: 4%;
  background: var(--lime);
  transform: rotate(-8deg);
}

.anatomy-art i:nth-child(3) {
  width: 42%;
  aspect-ratio: 1;
  right: 12%;
  bottom: 2%;
  background: var(--sky);
}

.anatomy-mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .7rem;
}

.anatomy-mini-grid span {
  display: grid;
  place-items: center;
  border: 2px solid var(--outline);
  border-radius: 1rem;
  background: #fff;
  font-size: .65rem;
  font-weight: 700;
}

.anatomy-css-layer {
  position: absolute;
  right: 2.1rem;
  top: 1rem;
  display: flex;
  gap: .4rem;
  transition: transform .3s ease, opacity .3s ease;
}

.anatomy-css-layer span {
  padding: .34rem .62rem;
  border: 1.5px solid var(--outline);
  border-radius: 9999px;
  background: var(--bg);
  font-size: .48rem;
  font-weight: 700;
  letter-spacing: .06em;
}

.anatomy-js-layer {
  position: absolute;
  right: 2.1rem;
  bottom: 7.1rem;
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .55rem .8rem;
  border: 2px solid var(--outline);
  border-radius: 9999px;
  background: var(--lime);
  font-size: .54rem;
  font-weight: 700;
  box-shadow: 5px 5px 0 var(--shadow);
  transition: transform .3s ease, box-shadow .3s ease;
}

.cursor-dot {
  width: 12px;
  height: 12px;
  border: 2px solid var(--outline);
  border-radius: 50%;
  background: var(--coral);
}

.anatomy-layer-label {
  position: absolute;
  left: 2.1rem;
  padding: .38rem .72rem;
  border: 2px solid var(--outline);
  border-radius: 9999px;
  font-size: .52rem;
  font-weight: 800;
  letter-spacing: .06em;
  opacity: 0;
  transform: translateY(7px);
  transition: opacity .25s ease, transform .25s ease;
}

.anatomy-label-html { top: 1rem; background: var(--coral); }
.anatomy-label-css { top: 1rem; background: var(--lavender); }
.anatomy-label-js { top: 1rem; background: var(--lime); }

.layer-stack {
  display: grid;
  grid-template-rows: repeat(3, 1fr);
  gap: .9rem;
}

.layer-card {
  width: 100%;
  border: 2px solid var(--outline);
  border-radius: 1.8rem;
  padding: 1rem 1.25rem;
  box-shadow: 7px 7px 0 var(--shadow);
  display: grid;
  grid-template-columns: 46px 1fr 34px;
  align-items: center;
  gap: .9rem;
  color: var(--fg);
  text-align: left;
  font: inherit;
  cursor: pointer;
  transition: transform .26s cubic-bezier(.22,1,.36,1), box-shadow .26s ease, filter .26s ease;
}

.layer-html { background: color-mix(in srgb, var(--coral) 72%, white); }
.layer-css { background: color-mix(in srgb, var(--lavender) 78%, white); }
.layer-js { background: color-mix(in srgb, var(--lime) 76%, white); }

.layer-index {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 2px solid var(--outline);
  border-radius: 50%;
  background: rgba(255,255,255,.55);
  font-size: .62rem;
  font-weight: 800;
}

.layer-copy {
  min-width: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  column-gap: .8rem;
}

.layer-copy strong {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
}

.layer-copy b {
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.layer-copy small {
  grid-column: 1 / -1;
  margin-top: .22rem;
  font-size: .66rem;
  line-height: 1.35;
  opacity: .58;
}

.layer-arrow {
  font-size: 1.35rem;
  transition: transform .25s ease;
}

.layer-card:is(:hover, :focus-visible, .is-active) {
  transform: translate(-5px, -5px);
  box-shadow: 13px 13px 0 rgba(30,30,30,.13);
  outline: none;
}

.layer-card:is(:hover, :focus-visible, .is-active) .layer-arrow {
  transform: translate(4px, -4px);
}

.layers-layout[data-active-layer="html"] .anatomy-structure {
  border-color: var(--coral);
  box-shadow: 0 0 0 5px rgba(232,93,78,.16);
  transform: scale(.985);
}

.layers-layout[data-active-layer="html"] .anatomy-label-html,
.layers-layout[data-active-layer="css"] .anatomy-label-css,
.layers-layout[data-active-layer="js"] .anatomy-label-js {
  opacity: 1;
  transform: translateY(0);
}

.layers-layout[data-active-layer="css"] .anatomy-hero {
  filter: saturate(1.28) contrast(1.04);
  transform: translateY(-4px);
  box-shadow: 10px 12px 0 rgba(160,108,232,.2);
}

.layers-layout[data-active-layer="css"] .anatomy-css-layer {
  transform: translateY(9px) scale(1.08);
}

.layers-layout[data-active-layer="css"] .anatomy-art i:nth-child(1) { transform: rotate(15deg) translateY(-8px); }
.layers-layout[data-active-layer="css"] .anatomy-art i:nth-child(2) { transform: rotate(-13deg) translateX(-6px); }
.layers-layout[data-active-layer="css"] .anatomy-art i:nth-child(3) { transform: translate(7px,-7px) scale(1.08); }

.layers-layout[data-active-layer="js"] .anatomy-js-layer {
  transform: translate(-13px, -7px);
  box-shadow: 10px 11px 0 rgba(30,30,30,.13);
}

.layers-layout[data-active-layer="js"] .cursor-dot {
  animation: anatomy-click .72s ease-in-out infinite alternate;
}

@keyframes anatomy-click {
  to { transform: translateX(13px) scale(.72); background: var(--yellow); }
}

/* 05 — sequence */
.deck-slide.source-slide-5 {
  justify-content: center;
}

.sequence {
  width: min(1450px, 86vw);
  margin: 2rem auto 0;
  display: grid;
  grid-template-columns: repeat(7, auto);
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.sequence-node {
  width: 250px;
  min-height: 230px;
  border: 2px solid var(--outline);
  border-radius: 2rem;
  background: #fff;
  box-shadow: 8px 8px 0 var(--shadow);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.sequence-node .n {
  font-family: var(--font-display);
  font-size: 3.2rem;
  line-height: 1;
}

.sequence-node h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
}

.sequence-arrow {
  font-size: 2.2rem;
  font-weight: 700;
}

.quote-pill {
  margin: 2.2rem auto 0;
  width: fit-content;
  max-width: 80vw;
  border: 2px solid var(--outline);
  border-radius: 9999px;
  padding: .9rem 2rem;
  background: var(--yellow);
  font-weight: 600;
}

/* 06 — questions */
.question-grid {
  width: min(1420px, 84vw);
  margin: 1.5rem auto 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.question-card {
  min-height: 210px;
  padding: 1.7rem 2rem;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.2rem;
  align-items: center;
}

.question-card .q {
  width: 70px;
  height: 70px;
  display: grid;
  place-items: center;
  border: 2px solid var(--outline);
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
}

.question-card h3 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  margin-bottom: .55rem;
}

.question-card p {
  font-size: .88rem;
  opacity: .62;
}

/* 07 — folder */
.deck-slide.source-slide-7 { justify-content: center; }
.context-stage { width:min(1450px,88vw); min-height:min(490px,56vh); margin:0 auto; display:grid; grid-template-columns: .78fr 1.22fr; gap:3rem; align-items:center; position:relative; }
.project-folder-drop { position:relative; z-index:2; min-height:330px; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:.7rem; border:2px dashed rgba(30,30,30,.22); border-radius:2rem; background:rgba(255,255,255,.34); cursor:pointer; transition:transform .28s ease, background .28s ease, border-color .28s ease; }
.project-folder-drop:hover, .project-folder-drop:focus-visible { transform:translateY(-5px); border-color:var(--outline); background:rgba(255,255,255,.68); outline:none; }
.project-folder-drop[hidden] { display:none; }
.new-folder-trigger { min-height:330px; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:.45rem; border:2px dashed rgba(30,30,30,.28); border-radius:2rem; background:rgba(255,255,255,.28); color:var(--fg); cursor:pointer; transition:transform .25s ease, background .25s ease, border-color .25s ease; }
.new-folder-trigger[hidden] { display:none; }
.new-folder-trigger:hover, .new-folder-trigger:focus-visible { transform:translateY(-5px); border-color:var(--outline); background:#fff; outline:none; }
.new-folder-trigger span { display:grid; place-items:center; width:86px; height:86px; border:2px solid rgba(30,30,30,.48); border-radius:50%; background:rgba(255,255,255,.22); color:rgba(30,30,30,.68); font-size:4.3rem; font-weight:300; line-height:1; box-shadow:4px 4px 0 rgba(30,30,30,.06); }
.new-folder-trigger small { font-size:.68rem; opacity:.58; }
.new-folder-trigger.is-creating span { animation:plus-create .48s cubic-bezier(.22,1,.36,1) both; }
@keyframes plus-create { 50% { transform:rotate(90deg) scale(1.12); } 100% { transform:rotate(90deg) scale(0); opacity:0; } }
.context-right { min-width:0; min-height:390px; display:flex; flex-direction:column; justify-content:center; gap:1rem; }
.context-right .loose-files { width:100%; }
.project-folder-drop.is-dragover { transform:scale(1.04) rotate(-1deg); background:rgba(139,180,247,.16); border-color:var(--sky); }
.project-folder-drop.is-shaking .mac-folder { animation:folder-shake .52s cubic-bezier(.36,.07,.19,.97) both; }
.project-folder-drop strong { font-family:var(--font-display); font-size:1.35rem; }
.project-folder-drop small { font-size:.68rem; opacity:.55; }
.mac-folder { width:220px; height:180px; object-fit:contain; position:relative; filter:drop-shadow(9px 10px 0 rgba(30,30,30,.13)); transform:rotate(-2deg); }
.folder-tab { position:absolute; left:18px; top:4px; width:92px; height:38px; border:3px solid #174e9e; border-bottom:0; border-radius:18px 18px 0 0; background:linear-gradient(180deg,#8fc5ff,#4e8fe7); }
.folder-face { position:absolute; inset:25px 0 0; border:3px solid #174e9e; border-radius:18px 18px 25px 25px; background:linear-gradient(160deg,#74b3ff 0%,#3478dc 78%); transform:skewY(-2deg); }
.folder-face::after { content:''; position:absolute; inset:8px 8px 12px; border-radius:12px 12px 20px 20px; background:linear-gradient(180deg,rgba(255,255,255,.2),transparent 40%); }
.folder-gloss { position:absolute; z-index:2; left:15px; right:15px; top:35px; height:28px; border-radius:12px 12px 7px 7px; background:rgba(255,255,255,.2); transform:skewY(-2deg); }
@keyframes folder-shake { 0%,100%{transform:rotate(-2deg) translateX(0)} 20%{transform:rotate(-6deg) translateX(-8px)} 40%{transform:rotate(4deg) translateX(8px)} 60%{transform:rotate(-4deg) translateX(-5px)} 80%{transform:rotate(2deg) translateX(4px)} }
.loose-files { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:1.35rem; align-content:center; align-items:start; }
.file-token { min-height:0; padding:.45rem; display:flex; flex-direction:column; align-items:center; justify-content:flex-start; gap:.45rem; border:0; border-radius:0; background:transparent; box-shadow:none; text-align:center; cursor:grab; transition:transform .2s ease, opacity .2s ease; }
.file-token:hover { transform:translateY(-7px) rotate(-1deg); box-shadow:none; }
.file-token.is-filed { opacity:.18; transform:scale(.88); pointer-events:none; }
.asset-file-icon { width:126px; height:154px; object-fit:contain; display:block; filter:drop-shadow(7px 9px 0 rgba(30,30,30,.12)); transition:transform .25s ease; }
.file-token:hover .asset-file-icon { transform:scale(1.03) translateY(-3px); }
.token-icon,.opened-file-type { display:grid; place-items:center; border:2px solid var(--outline); border-radius:12px; font-size:.62rem; font-weight:800; }
.token-visual { grid-row:1 / span 2; width:126px; height:154px; position:relative; display:block; filter:drop-shadow(7px 9px 0 rgba(30,30,30,.12)); transform:scale(.96); transition:transform .25s ease; }
.file-token:hover .token-visual { transform:scale(1.02) translateY(-3px); }
.token-visual::before { content:''; position:absolute; inset:0; border:2px solid rgba(30,30,30,.78); border-radius:9px; background:linear-gradient(145deg,#fff,#f4f5f8); box-shadow:inset 0 0 0 1px rgba(255,255,255,.8); }
.token-visual::after { content:''; position:absolute; top:0; right:0; border-style:solid; border-width:0 30px 30px 0; border-color:transparent var(--bg) transparent transparent; filter:drop-shadow(-1px 1px 0 rgba(30,30,30,.25)); }
.token-md i { position:relative; z-index:1; display:block; width:58px; height:4px; margin:30px 0 -12px 24px; border-radius:4px; background:var(--coral); box-shadow:0 18px 0 rgba(232,93,78,.75),0 36px 0 rgba(232,93,78,.48); }.token-md i:nth-child(2),.token-md i:nth-child(3){display:none}
.token-pdf::before { background:linear-gradient(150deg,#fff 0 58%,#e8ddfa 59%); }.token-pdf i { position:absolute; z-index:1; left:18px; bottom:18px; padding:.28rem .38rem; border-radius:4px; background:#7047b5; color:#fff; font-size:.82rem; font-style:normal; font-weight:800; letter-spacing:.04em; }
.token-image::before { background:linear-gradient(145deg,#edf7ff,#fff 62%); }.token-image i { position:absolute; z-index:1; left:18px; right:18px; bottom:19px; height:66px; border:2px solid rgba(30,30,30,.7); border-radius:7px; background:linear-gradient(145deg,var(--sky),#fff 53%,var(--lime)); }.token-image i::before { content:''; position:absolute; left:13px; bottom:10px; width:27px; height:27px; border-radius:50%; background:var(--yellow); border:2px solid rgba(30,30,30,.65); }
.token-photo::before { background:linear-gradient(145deg,#f7fbe9,#fff 62%); }.token-photo i { position:absolute; z-index:1; left:18px; right:18px; bottom:18px; height:70px; border:2px solid rgba(30,30,30,.7); border-radius:8px; background:linear-gradient(160deg,var(--peach),var(--sky)); }.token-photo i::after { content:''; position:absolute; left:50%; top:50%; width:30px; height:30px; border:2px solid rgba(30,30,30,.7); border-radius:50%; transform:translate(-50%,-50%); background:#fff; box-shadow:0 0 0 6px rgba(255,255,255,.35); }
.token-icon { grid-row:1 / span 2; width:48px; height:48px; background:var(--coral); }
.file-pdf .token-icon { background:var(--lavender); }.file-image .token-icon { background:var(--sky); }.file-photo .token-icon { background:var(--lime); }
.file-token b { font-size:.72rem; line-height:1.25; overflow-wrap:anywhere; }.file-token small { font-size:.52rem; opacity:.5; letter-spacing:.08em; }
.opened-folder { min-height:390px; border:2px solid var(--outline); border-radius:1.8rem; background:#fff; box-shadow:8px 8px 0 var(--shadow); overflow:hidden; animation:folder-open .42s cubic-bezier(.22,1,.36,1) both; }
.opened-folder[hidden] { display:none; }
@keyframes folder-open { from{opacity:0; transform:translateX(24px) scale(.97)} to{opacity:1; transform:translateX(0) scale(1)} }
.opened-folder-head { min-height:58px; padding:.8rem 1rem; display:flex; align-items:center; gap:.45rem; border-bottom:2px solid var(--outline); background:linear-gradient(135deg,#e6f2ff,#fff); }
.opened-folder-head .window-dot { width:11px; height:11px; border:1px solid var(--outline); border-radius:50%; }.opened-folder-head strong { margin-left:.45rem; font-size:.82rem; }.opened-folder-head small { margin-left:auto; font-size:.58rem; opacity:.5; }
.opened-file-list { padding:1rem; display:grid; gap:.65rem; }.opened-file-row { display:grid; grid-template-columns:42px 1fr auto; align-items:center; gap:.75rem; min-height:58px; padding:.55rem .7rem; border:1.5px solid rgba(30,30,30,.18); border-radius:1rem; background:#fbfbff; }.opened-file-type { width:36px; height:36px; background:var(--coral); font-size:.52rem; }.type-pdf{background:var(--lavender)}.type-image{background:var(--sky)}.type-photo{background:var(--lime)}.opened-file-row b{font-size:.78rem}.opened-file-row small{font-size:.55rem; opacity:.5; letter-spacing:.06em}
.context-stage.is-open .loose-files { display:none; }
.context-more-card { width:100%; min-height:42px; border:1.5px dashed rgba(30,30,30,.3); border-radius:.8rem; background:rgba(255,255,255,.6); color:var(--fg); font:700 1.2rem var(--font-body); letter-spacing:.2em; cursor:pointer; }.context-more-card:hover { background:var(--yellow); }
.context-gap-card { min-height:92px; display:flex; align-items:center; gap:.9rem; padding:1rem 1.15rem; border:2px solid var(--outline); border-radius:1.1rem; background:var(--yellow); color:var(--fg); text-align:left; cursor:pointer; box-shadow:6px 7px 0 var(--shadow); animation:gap-in .42s cubic-bezier(.22,1,.36,1) both; }.context-gap-card b{font-size:.98rem}.context-gap-card small{font-size:.78rem}
.context-stage.is-gap-revealed .project-folder-drop,
.context-stage.is-searching .project-folder-drop { pointer-events:none; }
.context-gap-card[hidden], .agent-search-panel[hidden] { display:none; }
.gap-mark { display:grid; place-items:center; width:34px; height:34px; border:2px solid var(--outline); border-radius:50%; background:#fff; font-weight:800; }.context-gap-card span:nth-child(2){display:grid;gap:.15rem;flex:1}.context-gap-card b{font-size:.98rem}.context-gap-card small{font-size:.78rem;opacity:.62}.context-gap-card > strong{font-size:1.4rem}
@keyframes gap-in { from{opacity:0;transform:translateY(12px)} to{opacity:1;transform:translateY(0)} }
.agent-search-panel { min-height:330px; border:1px solid rgba(30,30,30,.14); border-radius:1.15rem; background:rgba(255,255,255,.96); box-shadow:0 18px 38px rgba(30,30,30,.12), 0 2px 5px rgba(30,30,30,.05); overflow:hidden; animation:gap-in .42s cubic-bezier(.22,1,.36,1) both; }
.agent-search-head { display:flex; align-items:center; gap:.7rem; padding:.9rem 1rem; border-bottom:1px solid rgba(30,30,30,.1); background:rgba(250,250,248,.82); }
.agent-heading { display:flex; align-items:center; gap:.65rem; min-width:0; flex:1; }.agent-heading > span:last-child { display:grid; gap:.12rem; }.agent-heading b { font-size:.88rem; letter-spacing:-.015em; }.agent-heading small { font-size:.62rem; opacity:.48; }.agent-orb{display:grid;place-items:center;width:31px;height:31px;border:1px solid rgba(30,30,30,.18);border-radius:9px;background:linear-gradient(145deg,#cfe855,#a9c830);color:#fff;font-size:.9rem;box-shadow:inset 0 1px rgba(255,255,255,.55)}
.search-status{display:flex;align-items:center;gap:.35rem;padding:.34rem .55rem;border:1px solid rgba(30,30,30,.13);border-radius:999px;background:#f1f7e5;color:rgba(30,30,30,.66);font-size:.61rem;font-weight:700}.search-status i,.agent-search-footer i{width:6px;height:6px;border-radius:50%;background:#9fc43b;box-shadow:0 0 0 3px rgba(159,196,59,.16);animation:search-pulse 1.1s infinite}.agent-more{border:0;background:transparent;color:rgba(30,30,30,.45);font-weight:800;letter-spacing:.14em;cursor:pointer}
.search-query{margin:1rem 1rem .75rem;padding:.78rem .8rem;display:flex;align-items:center;gap:.58rem;border:1px solid rgba(30,30,30,.14);border-radius:.7rem;font-size:.82rem;background:#fff;box-shadow:0 1px 2px rgba(30,30,30,.04)}.query-icon{font-size:1.05rem;opacity:.55}.query-shortcut{margin-left:auto;padding:.18rem .38rem;border:1px solid rgba(30,30,30,.1);border-radius:.3rem;color:rgba(30,30,30,.4);font-size:.56rem}.search-query i{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(196,217,78,.2);animation:search-pulse 1.1s infinite}
.search-activity-label{display:flex;align-items:center;gap:.45rem;padding:0 1rem .35rem;color:rgba(30,30,30,.4);letter-spacing:.12em}.search-activity-label span{width:5px;height:5px;border-radius:50%;background:var(--yellow)}.search-activity-label small{font-size:.56rem;font-weight:700}
.search-results{display:grid;gap:.15rem;padding:0 1rem .75rem}.search-results > div{display:grid;grid-template-columns:16px 1fr auto;column-gap:.6rem;align-items:start;padding:.6rem .45rem;border-radius:.55rem;font-size:.78rem;opacity:0;transform:translateY(5px);animation:activity-in .5s cubic-bezier(.22,1,.36,1) forwards}.search-results > div:nth-child(1){animation-delay:.18s}.search-results > div:nth-child(2){animation-delay:.58s}.search-results > div:nth-child(3){animation-delay:.98s}.search-results > div:hover{background:#fafaf7}.search-results b{font-weight:650}.search-results small{display:block;margin-top:.18rem;opacity:.45;font-size:.65rem}.search-results em{font-size:.56rem;font-style:normal;color:#91ad39;opacity:0;animation:done-in .35s ease forwards}.search-results > div:nth-child(1) em{animation-delay:.5s}.search-results > div:nth-child(2) em{animation-delay:.9s}.search-results > div:nth-child(3) em{animation-delay:1.3s}.result-dot{width:12px;height:12px;margin-top:2px;border:1px solid rgba(30,30,30,.18);border-radius:50%;background:#f4d979;animation:search-pulse 1.1s infinite}.search-results > div:nth-child(2) .result-dot{background:#c6dc61}.search-results > div:nth-child(3) .result-dot{background:#b5d9ed}.agent-search-footer{display:flex;justify-content:space-between;align-items:center;padding:.65rem 1rem;border-top:1px solid rgba(30,30,30,.09);color:rgba(30,30,30,.42);font-size:.6rem}.agent-search-footer span:first-child{display:flex;align-items:center;gap:.4rem}.agent-search-footer span:last-child{opacity:.7}@keyframes search-pulse{50%{transform:scale(.7);opacity:.5}}@keyframes activity-in{to{opacity:1;transform:translateY(0)}}@keyframes done-in{to{opacity:1}}
@media (max-width:900px) { .context-stage { grid-template-columns:1fr; gap:1.2rem; } .project-folder-drop { min-height:240px; } .mac-folder { transform:scale(.8) rotate(-2deg); margin:-1.1rem 0; } .loose-files { grid-template-columns:repeat(4,minmax(70px,1fr)); gap:.5rem; } .token-visual { width:82px; height:102px; } .file-token b { font-size:.62rem; } }
.folder-window {
  width: min(1280px, 78vw);
  height: min(610px, 60vh);
  margin: 0 auto;
  overflow: hidden;
}

.window-bar {
  height: 54px;
  background: var(--lavender);
  border-bottom: 2px solid var(--outline);
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: 0 1.2rem;
}

.window-dot {
  width: 14px;
  height: 14px;
  border: 2px solid var(--outline);
  border-radius: 50%;
}

.folder-body {
  display: grid;
  grid-template-columns: 280px 1fr;
  height: calc(100% - 54px);
}

.folder-side {
  border-right: 2px solid var(--outline);
  padding: 1.3rem;
  background: rgba(245,245,240,.7);
}

.folder-side .chip {
  width: 100%;
  margin-bottom: .8rem;
}

.file-list {
  padding: 1.5rem 2rem;
  display: grid;
  gap: .9rem;
  align-content: center;
}

.file-row {
  min-height: 78px;
  border: 2px solid var(--outline);
  border-radius: 9999px;
  display: grid;
  grid-template-columns: 52px 1fr 140px;
  align-items: center;
  gap: 1rem;
  padding: 0 1.2rem;
}

.file-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 2px solid var(--outline);
  border-radius: 50%;
  font-weight: 700;
}

.file-row strong { font-size: .95rem; }
.file-row span:last-child { font-size: .72rem; opacity: .55; text-align: right; }

/* 08 — AI prompt */
.prompt-shell {
  width: min(1420px, 86vw);
  height: min(700px, 68vh);
  margin: 0 auto;
  padding: 1.3rem;
  background: #fff;
  border: 2px solid var(--outline);
  border-radius: 2.4rem;
  box-shadow: 12px 12px 0 var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.prompt-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .15rem .4rem;
}

.agent-name {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-weight: 700;
}

.agent-orb {
  width: 36px;
  height: 36px;
  border: 2px solid var(--outline);
  border-radius: 50%;
  background: var(--lime);
}

.prompt-text {
  flex: 1;
  overflow: auto;
  background: var(--bg);
  border: 2px solid var(--outline);
  border-radius: 1.7rem;
  padding: 1.25rem 1.5rem;
  font-family: var(--font-body);
  font-size: clamp(.72rem, .9vw, .92rem);
  line-height: 1.55;
  white-space: pre-wrap;
}

.prompt-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.prompt-send,
.action-button {
  border: 2px solid var(--outline);
  border-radius: 9999px;
  padding: .7rem 1.2rem;
  background: var(--coral);
  font: inherit;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
}

.prompt-status {
  font-size: .72rem;
  opacity: .55;
}

.prompt-shell.is-sent {
  animation: prompt-pulse .8s ease both;
}

/* 05 — realistic Agent composer */
.realistic-prompt-shell { position:relative; height:min(660px, 68vh); padding:1.15rem 1.25rem .8rem; border-radius:2rem; gap:0; box-shadow:14px 16px 0 rgba(30,30,30,.12); }
.prompt-copy-current { position:absolute; top:1.05rem; right:1.15rem; z-index:2; width:1.9rem; height:1.9rem; padding:.38rem; border:0; border-radius:50%; background:rgba(30,30,30,.06); color:rgba(30,30,30,.48); cursor:pointer; transition:background .2s, color .2s, transform .2s; }
.prompt-copy-current svg { display:block; width:100%; height:100%; }
.prompt-copy-current:hover { transform:scale(1.08); background:rgba(196,217,78,.35); color:var(--outline); }
.realistic-prompt-text { display:block; flex:1; min-height:0; overflow:hidden; background:#fff; border:0; border-radius:1.35rem; padding:1.35rem 1.35rem .65rem; font-size:clamp(.92rem, 1.12vw, 1.12rem); line-height:1.68; white-space:normal; }
.realistic-prompt-text .prompt-line { display:block; margin:0 !important; padding:0 .15rem; border:0; }
.realistic-prompt-text .prompt-line + .prompt-line { margin-top:.72rem !important; }
.realistic-prompt-text .prompt-line:hover, .realistic-prompt-text .prompt-line:focus-within { background:transparent; box-shadow:none; transform:none; }
.realistic-prompt-text .prompt-focus { display:inline; padding:0 .12em; border-radius:.18em; text-decoration:none; transition:background .18s, color .18s; }
.realistic-prompt-text .prompt-focus:hover { color:var(--outline); }
.realistic-prompt-text .prompt-focus-group { --crayon-cursor:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' viewBox='0 0 28 28'%3E%3Cg transform='rotate(-42 14 14)'%3E%3Cpath d='M12 3h4v17h-4z' fill='%23f06b56' stroke='%23202020' stroke-width='1.2'/%3E%3Cpath d='M12 3h4l-2-2z' fill='%23f7cf5c' stroke='%23202020' stroke-width='1.2'/%3E%3Cpath d='M12 20h4l-2 6z' fill='%23f7cf5c' stroke='%23202020' stroke-width='1.2'/%3E%3Cpath d='M11.5 7h5v2h-5z' fill='%23c4d94e'/%3E%3C/g%3E%3C/svg%3E") 5 4, pointer; }
.realistic-prompt-text .prompt-focus-group:hover,
.realistic-prompt-text .prompt-focus-group:hover * { cursor:var(--crayon-cursor); }
.realistic-prompt-text .focus-topic:hover { background:rgba(232,93,78,.32); }
.realistic-prompt-text .focus-audience:hover { background:rgba(196,217,78,.42); }
.realistic-prompt-text .focus-purpose:hover { background:rgba(139,180,247,.38); }
.realistic-prompt-text .focus-duration:hover { background:rgba(247,207,92,.5); }
.realistic-prompt-text .focus-style:hover { background:rgba(197,181,224,.5); }
.prompt-decoration { position:relative; display:inline-block; }
.prompt-decoration::after { content:""; position:absolute; left:0; right:0; bottom:-.12em; height:.16em; pointer-events:none; }
.underline-coral::after { background:var(--coral); transform:rotate(-1deg); }
.underline-lime::after { background:var(--lime); transform:rotate(1deg); }
.wave-sky::after { height:.48em; bottom:-.22em; background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='8' viewBox='0 0 18 8'%3E%3Cpath d='M0 4 Q4 0 9 4 T18 4' fill='none' stroke='%238bb4f7' stroke-width='2'/%3E%3C/svg%3E") 0 50%/18px 8px repeat-x; }
.wave-coral::after { height:.48em; bottom:-.22em; background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='8' viewBox='0 0 18 8'%3E%3Cpath d='M0 4 Q4 0 9 4 T18 4' fill='none' stroke='%23e85d4e' stroke-width='2'/%3E%3C/svg%3E") 0 50%/18px 8px repeat-x; }
.wave-violet::after { height:.48em; bottom:-.22em; background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='8' viewBox='0 0 18 8'%3E%3Cpath d='M0 4 Q4 0 9 4 T18 4' fill='none' stroke='%239b68dd' stroke-width='2'/%3E%3C/svg%3E") 0 50%/18px 8px repeat-x; }
.realistic-prompt-text .prompt-final-line { border-bottom:0; }
.prompt-composer { display:flex; align-items:center; gap:1rem; min-height:3.35rem; margin-top:auto; padding:.65rem .55rem .1rem; color:rgba(30,30,30,.66); font-size:.8rem; border-top:1px solid rgba(30,30,30,.08); }
.composer-icon { border:0; background:none; font-size:1.55rem; line-height:1; cursor:pointer; color:var(--outline); }
.composer-agent, .composer-project { white-space:nowrap; }
.composer-agent { font-weight:600; }
.composer-model { display:flex; align-items:center; gap:.4rem; margin-left:auto; white-space:nowrap; }
.composer-send { display:grid; place-items:center; width:2.35rem; height:2.35rem; border:2px solid var(--outline); border-radius:50%; background:#151515; color:#fff; font-size:1.35rem; cursor:pointer; }
.realistic-prompt-shell.is-sent .composer-send { background:var(--lime); color:var(--outline); }

@media (max-width: 760px) {
  .prompt-top-actions .chip { display:none; }
  .composer-project, .composer-model { display:none; }
  .realistic-prompt-text { padding:.75rem; font-size:.78rem; }
}

.deck-slide.source-slide-8 { justify-content:center; }
.deck-slide.source-slide-8 .deck-head { display:none; }
.deck-slide.source-slide-8 .realistic-prompt-shell { margin-top:0; }

@keyframes prompt-pulse {
  0%,100% { box-shadow: 12px 12px 0 var(--shadow); }
  45% { box-shadow: 12px 12px 0 rgba(232,93,78,.28); }
}

/* 09–10 — split / paths */
.two-col {
  width: min(1480px, 86vw);
  margin: 1rem auto 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.contrast-card {
  min-height: 500px;
  padding: 2rem;
  position: relative;
}

.contrast-card h3,
.path-card h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  margin: 1.2rem 0;
}

.bad-prompt {
  font-family: var(--font-display);
  font-size: 2.6rem;
  line-height: 1.16;
  opacity: .45;
  margin-top: 3rem;
}

.spec-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .85rem;
  margin-top: 1.5rem;
}

/* 06 — random wording converges into visual direction */
.deck-slide.source-slide-9 { justify-content:center; }
.visual-direction-stage { width:min(1510px,88vw); margin:0 auto; display:grid; grid-template-columns:minmax(340px,1fr) minmax(680px,2fr); gap:2rem; align-items:center; transform:translateX(-2.8vw); }
.vague-brief { position:relative; min-height:450px; padding:1rem .8rem 1rem 1.2rem; text-align:center; }
.vague-brief .chip { position:relative; z-index:2; }
.vague-question { position:absolute; top:31%; left:50%; color:var(--coral); font-family:var(--font-display); font-size:clamp(15rem,20vw,21rem); line-height:.7; transform:translateX(-50%) rotate(-10deg); }
.vague-words { position:relative; z-index:1; display:flex; flex-direction:column; align-items:center; gap:1.1rem; margin-top:6.3rem; font-family:var(--font-display); font-size:clamp(1.6rem,2vw,2.25rem); line-height:1; }
.vague-words span { width:max-content; max-width:100%; padding:.12rem .22rem; transform:rotate(-5deg); }
.vague-words span:nth-child(1) { align-self:flex-start; margin-left:1.8rem; transform:rotate(-5deg); }
.vague-words span:nth-child(2) { align-self:flex-end; margin-right:.8rem; transform:rotate(2deg); }
.vague-words span:nth-child(3) { align-self:flex-start; margin-left:2rem; transform:rotate(-2deg); }
.direction-field { position:relative; min-height:500px; overflow:hidden; visibility:hidden; border-radius:2rem; background:linear-gradient(135deg,rgba(139,180,247,.14),rgba(255,255,255,.9) 42%,rgba(197,181,224,.18)); box-shadow:12px 14px 0 rgba(30,30,30,.12); }
.direction-field::before { content:""; position:absolute; inset:0; background:radial-gradient(circle at 1px 1px,rgba(30,30,30,.09) 1px,transparent 1.15px) 0 0/18px 18px; opacity:.35; }
.direction-field-head { position:absolute; z-index:3; top:1.35rem; left:1.45rem; right:1.45rem; display:flex; align-items:center; justify-content:space-between; gap:1rem; }
.direction-field-head small { font-size:.6rem; letter-spacing:.14em; opacity:.52; }
.direction-tokens { position:relative; z-index:2; display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1rem 1.2rem; padding:6rem 2.1rem 2rem; }
.direction-token { --token-color:var(--sky); position:relative; display:flex; flex-direction:column; align-items:flex-start; min-height:70px; padding:.8rem .95rem; border:2px solid var(--outline); border-radius:1rem; background:#fff; color:var(--outline); font:inherit; text-align:left; cursor:pointer; transition:transform .24s ease, background .24s ease, box-shadow .24s ease; }
.direction-token b { font-size:.82rem; }.direction-token small { max-height:0; margin-top:0; overflow:hidden; font-size:.6rem; line-height:1.35; opacity:0; transition:max-height .22s ease,margin .22s ease,opacity .2s ease; }
.direction-token:hover,.direction-token:focus-visible { z-index:4; background:var(--token-color); box-shadow:5px 6px 0 rgba(30,30,30,.15); transform:translate(-3px,-5px) rotate(0deg); outline:none; }.direction-token:hover small,.direction-token:focus-visible small { max-height:2.7em; margin-top:.28rem; opacity:.85; }
.direction-token:nth-child(odd){transform:rotate(-2deg)}.direction-token:nth-child(even){transform:rotate(2deg)}.direction-token:nth-child(3n){transform:rotate(1deg)}
.token-coral{--token-color:var(--coral)}.token-lime{--token-color:var(--lime)}.token-sky{--token-color:var(--sky)}.token-violet{--token-color:var(--violet)}.token-yellow{--token-color:var(--yellow)}.token-peach{--token-color:var(--peach)}.token-mint{--token-color:var(--mint)}.token-lavender{--token-color:var(--lavender)}
@media (max-width:900px){.visual-direction-stage{grid-template-columns:1fr;gap:.8rem;transform:none}.vague-brief{min-height:300px}.vague-words{margin-top:3.8rem}.direction-field{min-height:0}.direction-tokens{padding:5.5rem 1rem 1.4rem;gap:.75rem}.vague-question{font-size:11rem;}}

.spec-item {
  border: 2px solid var(--outline);
  border-radius: 9999px;
  padding: .75rem 1rem;
  background: var(--bg);
  font-size: .8rem;
  font-weight: 600;
}

.path-card {
  min-height: 510px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
}

.path-number {
  width: 70px;
  height: 70px;
  border: 2px solid var(--outline);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
}

.path-list {
  margin-top: auto;
  display: grid;
  gap: .8rem;
}

.path-item {
  border-top: 2px solid var(--outline);
  padding-top: .75rem;
  font-size: .86rem;
}

/* 11 — Skill wall */
.resource-wall {
  width: min(1640px, 92vw);
  margin: .6rem auto 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: .8rem;
  position: relative;
  z-index: 4;
}

.link-card {
  min-height: 132px;
  border: 2px solid var(--outline);
  border-radius: 1.55rem;
  background: #fff;
  box-shadow: 5px 5px 0 var(--shadow);
  padding: 1rem 1.05rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease;
}

.link-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 var(--shadow);
}

.link-card:focus-visible {
  outline: 4px solid var(--sky);
  outline-offset: 3px;
}

.resource-wall .link-card:nth-child(8n + 1) { background: var(--peach); }
.resource-wall .link-card:nth-child(8n + 2) { background: var(--mint); }
.resource-wall .link-card:nth-child(8n + 3) { background: var(--sky); }
.resource-wall .link-card:nth-child(8n + 4) { background: var(--lavender); }
.resource-wall .link-card:nth-child(8n + 5) { background: var(--yellow); }
.resource-wall .link-card:nth-child(8n + 6) { background: #fff; }
.resource-wall .link-card:nth-child(8n + 7) { background: var(--lime); }
.resource-wall .link-card:nth-child(8n + 8) { background: var(--peach); }

.link-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  line-height: 1.08;
}

.link-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .6rem;
}

.link-tag {
  font-size: .56rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  opacity: .58;
}

.copy-only {
  width: 30px;
  height: 30px;
  border: 2px solid var(--outline);
  border-radius: 50%;
  background: var(--bg);
  cursor: pointer;
  font-weight: 700;
}

/* 08 — categorized Skills resource wall */
.deck-slide.source-slide-11 { justify-content:flex-start; }
.deck-slide.source-slide-11 .deck-head { margin-top:.8rem; margin-bottom:1.65rem; }
.deck-slide.source-slide-11 .eyebrow { border:2px solid var(--outline); background:var(--yellow); color:var(--outline); }
.skill-resource-wall { width:min(1480px,86vw); margin:0 auto; display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:1.45rem; align-items:start; flex:none; }
.skill-cluster { min-width:0; padding:1rem 1.05rem; border:1.5px solid var(--outline); border-radius:1.55rem; background:#fff; box-shadow:7px 7px 0 rgba(30,30,30,.08), 0 12px 26px rgba(30,30,30,.05); }
.skill-html-cluster { border-color:var(--outline); background:#fff; }
.skill-side-clusters { display:grid; grid-template-rows:auto auto; align-content:start; gap:1.1rem; min-width:0; }
.skill-visual-cluster { border-color:var(--outline); background:#fff; }
.skill-ppt-cluster { order:-1; border-color:var(--outline); background:#fff; }
.skill-cluster-head { display:flex; align-items:center; justify-content:space-between; gap:.6rem; margin-bottom:.7rem; }
.skill-cluster-head > div { display:flex; align-items:center; gap:1rem; min-width:0; }
.skill-cluster-head b { font-family:var(--font-display); font-size:1.42rem; line-height:1.05; }
.skill-cluster-head small { margin:0; font-size:.78rem; line-height:1.1; opacity:.58; white-space:nowrap; }
.skill-cluster-head em { align-self:flex-start; font-size:.68rem; letter-spacing:.12em; font-style:normal; opacity:.5; white-space:nowrap; }
.skill-icon { display:grid; place-items:center; grid-row:span 2; width:46px; height:46px; border:1.5px solid rgba(30,30,30,.22); border-radius:50%; font-size:.72rem; font-weight:800; }
.skill-icon svg { width:24px; height:24px; fill:none; stroke:currentColor; stroke-width:1.6; stroke-linecap:round; stroke-linejoin:round; }.skill-icon-html { background:rgba(232,93,78,.25); }.skill-icon-visual{background:rgba(197,181,224,.42)}.skill-icon-ppt{background:rgba(247,207,92,.5)}
.skill-row { display:flex; align-items:center; gap:.7rem; min-height:48px; padding:.48rem .4rem; border-top:0; cursor:pointer; transition:background .18s ease, transform .18s ease; }
.skill-row:hover,.skill-row:focus-visible { background:rgba(255,255,255,.8); transform:translateX(3px); outline:none; }
.skill-index { flex:0 0 34px; color:var(--coral); font-size:.9rem; font-weight:800; }
.skill-row b { flex:0 1 auto; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; font-size:1rem; font-weight:700; }
.skill-tag { flex:0 0 auto; padding:.27rem .55rem; border-radius:999px; background:rgba(232,93,78,.14); color:rgba(30,30,30,.7); font-size:.75rem; white-space:nowrap; }
.skill-row .copy-only { flex:0 0 30px; width:30px; height:30px; margin-left:auto; display:grid; place-items:center; border:0; background:transparent url("assets/GitHub.png") center / contain no-repeat; font-size:0; opacity:.72; overflow:visible; }
.skill-row .github-mark { display:none; }
.skill-visual-cluster .skill-index { color:#865ed0; }.skill-visual-cluster .skill-tag { background:rgba(197,181,224,.42); }
.skill-ppt-cluster .skill-index { color:#b88900; }.skill-ppt-cluster .skill-tag { background:rgba(247,207,92,.35); }
.skill-advice { width:min(1540px,90vw); margin:.8rem auto 0; display:flex; align-items:center; gap:2rem; padding:.75rem 1.15rem; border:1.5px solid rgba(30,30,30,.16); border-radius:1.1rem; background:rgba(255,255,255,.75); font-size:.68rem; }
.skill-advice-title { font-weight:800; font-size:.8rem; margin-right:auto; }.skill-advice span:not(.skill-advice-title) { padding-left:1rem; border-left:1px solid rgba(30,30,30,.16); }.skill-advice b { color:var(--outline); }
@media (max-width:1000px) { .skill-resource-wall { grid-template-columns:1fr; }.skill-side-clusters { grid-template-columns:1fr 1fr; grid-template-rows:1fr; } }
@media (max-width:650px) { .skill-side-clusters { grid-template-columns:1fr; }.skill-row { grid-template-columns:24px minmax(0,1fr) 25px; }.skill-tag { display:none; } }

/* 08 — Capsule resource cards with hover-revealed categories */
.deck-slide.source-slide-11 .skill-resource-wall { display:none !important; }
.deck-slide.source-slide-11 .skill-wall-note { max-width:34ch; margin:0; font-size:clamp(.82rem,1vw,1rem); line-height:1.45; opacity:.58; }
.skill-card-wall { position:relative; width:min(1500px,78vw); margin:0 auto; padding:0 .25rem .7rem; }
.skill-card-grid { position:relative; display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:1.56rem; }
.skill-card { --card-bg:#fff; position:relative; min-width:0; min-height:112px; padding:.75rem .9rem .65rem; display:flex; flex-direction:column; justify-content:space-between; border:2px solid var(--outline); border-radius:1.25rem; background:var(--card-bg); box-shadow:6px 6px 0 rgba(30,30,30,.13); cursor:pointer; outline:none; transition:transform .22s cubic-bezier(.22,1,.36,1), box-shadow .22s ease, opacity .22s ease, filter .22s ease; }
.skill-card:hover,.skill-card:focus-visible { transform:translateY(-3px); box-shadow:8px 9px 0 rgba(30,30,30,.15); z-index:3; }
.skill-card h3 { margin:0; font-family:var(--font-display); font-size:clamp(.95rem,1.3vw,1.3rem); line-height:1.08; letter-spacing:-.02em; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.skill-card-meta { margin:auto 0 0; display:flex; align-items:baseline; gap:.45rem; color:rgba(30,30,30,.66); font-size:.66rem; line-height:1.3; letter-spacing:.045em; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.skill-card-meta span { flex:0 0 auto; font-size:.56rem; letter-spacing:.1em; opacity:.72; }
.skill-card-coral { --card-bg:linear-gradient(135deg,#f7b994,#f0a37d); }
.skill-card-mint { --card-bg:linear-gradient(135deg,#a9e6d2,#8fd6bd); }
.skill-card-blue { --card-bg:linear-gradient(135deg,#91b8f2,#769ee7); }
.skill-card-lavender { --card-bg:linear-gradient(135deg,#cdbce2,#b9a6d2); }
.skill-card-yellow { --card-bg:linear-gradient(135deg,#f8d867,#f4cf55); }
.skill-card-lime { --card-bg:linear-gradient(135deg,#d0e850,#b9d83e); }
.skill-card-white { --card-bg:#fff; }
.skill-card.is-category-focus { z-index:3; }
.skill-card.is-category-muted { opacity:.28; filter:saturate(.45); }
.skill-category-frame { position:absolute; z-index:6; border:2px dashed var(--focus-color,#252525); border-radius:1.55rem; pointer-events:none; box-sizing:border-box; transition:opacity .18s ease, left .18s ease, top .18s ease, width .18s ease, height .18s ease; }
.skill-category-frame[hidden] { display:none; }
.skill-category-label { position:absolute; z-index:8; left:0; top:0; padding:.34rem .75rem; border:1.5px dashed var(--focus-color,#252525); border-radius:999px; background:var(--bg); color:var(--outline); font-size:.7rem; font-weight:800; letter-spacing:.08em; pointer-events:none; box-shadow:3px 3px 0 rgba(30,30,30,.1); transition:opacity .18s ease, transform .18s ease; }
.skill-category-label[hidden] { display:none; }
@media (max-width:1000px) { .skill-card-grid { grid-template-columns:repeat(2,minmax(0,1fr)); } .skill-card-wall { width:88vw; } }
@media (max-width:650px) { .skill-card-grid { grid-template-columns:1fr; } .skill-wall-note { display:none; } }

/* 12 — inspiration gallery */
.site-gallery {
  width: min(1540px, 88vw);
  margin: .8rem auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.site-card {
  min-height: 245px;
  padding: 0;
  overflow: hidden;
}

.site-preview {
  height: 145px;
  border-bottom: 2px solid var(--outline);
  position: relative;
  overflow: hidden;
  background: var(--fg);
}

.site-preview img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center 28%;
  transform: scale(1.01);
  transition: transform .45s cubic-bezier(.22,1,.36,1), filter .35s ease;
}

.site-card:hover .site-preview img,
.site-card:focus-visible .site-preview img {
  transform: scale(1.08);
  filter: saturate(1.12);
}

.site-info {
  padding: 1rem;
}

.site-info h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: .35rem;
}

.site-info p {
  font-size: .68rem;
  opacity: .58;
}

/* 13 — quality checklist */
.check-grid {
  width: min(1440px, 84vw);
  margin: 1.4rem auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.check-card {
  min-height: 220px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.check-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border: 2px solid var(--outline);
  border-radius: 50%;
  font-weight: 800;
}

.check-card h3 {
  font-family: var(--font-display);
  font-size: 1.45rem;
}

.check-card p {
  font-size: .78rem;
  opacity: .58;
}

/* 14 — editing methods */
.deck-slide.source-slide-14 {
  justify-content: center;
}

.deck-slide.source-slide-14 .deck-head {
  margin-bottom: 2.2rem;
}

.method-shell {
  width: min(1500px, 88vw);
  height: min(500px, 52vh);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 420px 1fr;
  column-gap: 2.4rem;
  align-items: center;
  position: relative;
  top: -.4rem;
}

.method-tabs {
  height: 100%;
  display: grid;
  grid-template-rows: repeat(4, minmax(0, 1fr));
  gap: 1.2rem;
}

.method-tab {
  border: 2px solid var(--outline);
  border-radius: 1.45rem;
  background: #fff;
  min-height: 74px;
  padding: .9rem 1.25rem;
  font: inherit;
  font-size: .94rem;
  font-weight: 700;
  line-height: 1.25;
  text-align: left;
  cursor: pointer;
  box-shadow: 5px 5px 0 var(--shadow);
  transition: transform .25s cubic-bezier(.22,1,.36,1), box-shadow .25s ease, background .25s ease;
}

.method-tab.active {
  transform: translateX(12px);
  box-shadow: 9px 9px 0 rgba(30,30,30,.12);
}

.method-tab:nth-child(1).active { background: var(--coral); }
.method-tab:nth-child(2).active { background: var(--lavender); }
.method-tab:nth-child(3).active { background: var(--sky); }
.method-tab:nth-child(4).active { background: var(--lime); }

.method-tab:hover {
  transform: translate(5px, -3px);
}

.method-tab.active:hover {
  transform: translate(14px, -3px);
}

.method-preview {
  height: 100%;
  padding: 2rem;
  position: relative;
  overflow: hidden;
}

.method-demo {
  height: 100%;
  border: 0;
  border-radius: 0;
  background: transparent;
  position: relative;
}

.method-image-placeholder {
  height: 100%;
  min-height: 0;
  display: grid;
  place-items: center;
  align-content: center;
  gap: .55rem;
  position: relative;
  overflow: hidden;
  border: 2px dashed rgba(30, 30, 30, .4);
  border-radius: .85rem;
  background:
    linear-gradient(135deg, rgba(197, 181, 224, .24), rgba(168, 230, 207, .2)),
    repeating-linear-gradient(135deg, rgba(255, 255, 255, .36) 0 18px, transparent 18px 36px);
  text-align: center;
}

.method-image-kicker {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: .42rem .7rem;
  border: 2px solid var(--outline);
  border-radius: 9999px;
  background: var(--yellow);
  font-size: .58rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.method-image-icon {
  width: 76px;
  height: 76px;
  fill: none;
  stroke: var(--outline);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: .58;
}

.method-image-placeholder strong {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.4vw, 2.5rem);
  line-height: 1;
}

.method-image-placeholder small {
  font-size: .72rem;
  letter-spacing: .06em;
  opacity: .56;
}

.method-caption {
  position: absolute;
  left: 2.8rem;
  right: 2.8rem;
  bottom: 2.8rem;
  border: 2px solid var(--outline);
  border-radius: 9999px;
  background: var(--bg);
  padding: .85rem 1.2rem;
  font-size: .82rem;
  font-weight: 600;
}

/* 15 — feedback */
.feedback-shell {
  width: min(1520px, 88vw);
  margin: 1rem auto 0;
  display: grid;
  grid-template-columns: .75fr 1.25fr;
  gap: 1.5rem;
}

.feedback-before,
.feedback-after {
  padding: 2rem;
  min-height: 520px;
}

.feedback-before blockquote {
  margin-top: 5rem;
  font-family: var(--font-display);
  font-size: 3rem;
  line-height: 1.1;
  opacity: .4;
}

.formula-row {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin: 1rem 0 1.4rem;
}

.feedback-code {
  background: var(--fg);
  color: var(--bg);
  border-radius: 1.4rem;
  padding: 1.35rem;
  font-size: .82rem;
  line-height: 1.65;
  white-space: pre-wrap;
}

/* 15 — visual inspection workbench */
.deck-slide.source-slide-15 {
  justify-content: center;
  overflow-y: auto;
  padding-top: 1.35rem;
  padding-bottom: 1.35rem;
}

.deck-slide.source-slide-15.has-inspection-chat {
  justify-content: center;
  padding-bottom: 1.8rem;
}

.deck-slide.source-slide-15 .inspection-head {
  width: min(1540px, 88vw);
  margin: 0 auto 1rem;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr);
  gap: 2.4rem;
  align-items: end;
}

.inspection-head-main h2 {
  max-width: 15ch;
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.3vw, 3.25rem);
  line-height: 1.03;
  letter-spacing: -.025em;
}

.inspection-brief {
  display: grid;
  gap: .45rem;
  max-width: 58ch;
  padding-bottom: .25rem;
  font-size: clamp(.76rem, .95vw, .92rem);
  line-height: 1.5;
  opacity: .66;
}

.inspection-workbench {
  width: min(1160px, 66vw);
  margin: 0 auto;
}

.inspection-browser {
  overflow: hidden;
  border: 0;
  border-radius: 1.75rem;
  background: #fff;
  box-shadow: 10px 14px 0 rgba(30, 30, 30, .11);
}

.inspection-browser-bar {
  min-height: 43px;
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: .6rem 1rem;
  border-bottom: 1px solid rgba(30, 30, 30, .12);
  background: #fbfbf7;
  font-size: .62rem;
}

.inspection-window-dots {
  display: flex;
  gap: .32rem;
}

.inspection-window-dots i {
  width: 11px;
  height: 11px;
  display: block;
  border: 1.5px solid var(--outline);
  border-radius: 50%;
}

.inspection-browser-url {
  opacity: .58;
  letter-spacing: .05em;
}

.inspection-browser-state {
  margin-left: auto;
  padding: .35rem .6rem;
  border: 1.5px solid var(--outline);
  border-radius: 9999px;
  background: var(--lime);
  font-size: .52rem;
  font-weight: 800;
  letter-spacing: .09em;
}

.inspection-page {
  position: relative;
  min-height: 455px;
  padding: 1.35rem 1.55rem 1rem;
  background:
    radial-gradient(circle at 78% 12%, rgba(197, 181, 224, .24), transparent 25%),
    radial-gradient(circle at 20% 78%, rgba(168, 230, 207, .2), transparent 30%),
    #fff;
}

.inspection-page-head {
  position: relative;
  z-index: 2;
  min-height: 150px;
  display: grid;
  grid-template-columns: 1fr;
  justify-items: center;
  align-items: start;
  gap: .1rem;
}

.inspection-target {
  position: relative;
  z-index: 4;
  width: max-content;
  max-width: 100%;
  padding: .35rem .5rem;
  border: 2px solid transparent;
  border-radius: .9rem;
  outline: none;
}

.inspection-target:hover,
.inspection-target:focus-visible,
.inspection-target.is-focus,
.inspection-whitespace-target:hover,
.inspection-whitespace-target:focus-visible,
.inspection-whitespace-target.is-focus {
  border-color: rgba(30, 30, 30, .72);
  border-style: dashed;
}

.inspection-target-label {
  display: none;
  position: absolute;
  z-index: 4;
  top: -.75rem;
  right: -.8rem;
  padding: .34rem .62rem;
  border: 2px solid var(--outline);
  border-radius: 9999px;
  background: var(--yellow);
  color: var(--fg);
  font-size: .58rem;
  font-weight: 800;
  letter-spacing: .08em;
  white-space: nowrap;
}

.inspection-target:hover .inspection-target-label,
.inspection-target:focus-visible .inspection-target-label,
.inspection-target.is-focus .inspection-target-label,
.inspection-whitespace-target:hover .inspection-target-label,
.inspection-whitespace-target:focus-visible .inspection-target-label,
.inspection-whitespace-target.is-focus .inspection-target-label {
  display: inline-flex;
}

.inspection-hierarchy-target {
  justify-self: center;
}

.inspection-eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 31px;
  padding: .45rem .8rem;
  border: 2px solid var(--outline);
  border-radius: 9999px;
  background: var(--yellow);
  font-size: .62rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.inspection-title-target {
  width: min(100%, 600px);
  min-height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  justify-self: center;
  margin-top: .1rem;
  padding: 1rem 1.5rem;
  text-align: center;
}

.inspection-title-target h3 {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2.5vw, 2.6rem);
  line-height: 1.02;
  letter-spacing: -.025em;
  white-space: nowrap;
}

.inspection-whitespace-target {
  position: absolute;
  top: 0;
  right: 0;
  width: 24%;
  min-height: 112px;
  z-index: 5;
  border: 2px solid transparent;
  border-radius: .9rem;
  outline: none;
}

.inspection-whitespace-target .inspection-target-label {
  top: .1rem;
  right: .6rem;
}

.inspection-lenses {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin: .3rem 0 .75rem;
}

.inspection-lenses span {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: .3rem .55rem;
  border: 1.5px solid var(--outline);
  border-radius: 9999px;
  font-size: .52rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.inspection-page.has-target-focus .inspection-page-head > *,
.inspection-page.has-target-focus .inspection-card-focus-zone {
  opacity: .16;
}

.inspection-page[data-inspection-focus="hierarchy"] .inspection-hierarchy-target,
.inspection-page[data-inspection-focus="title"] .inspection-title-target,
.inspection-page[data-inspection-focus="whitespace"] .inspection-whitespace-target,
.inspection-page[data-inspection-focus="cards"] .inspection-card-focus-zone {
  opacity: 1;
}

.inspection-card-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  align-items: start;
  gap: .48rem;
}

.inspection-card-focus-zone {
  position: relative;
  margin: 0 -.7rem;
  padding: .7rem;
  border: 2px dashed transparent;
  border-radius: 1.55rem;
  outline: none;
}

.inspection-card-focus-zone:hover,
.inspection-card-focus-zone:focus-visible,
.inspection-card-focus-zone.is-active {
  border-color: rgba(30, 30, 30, .72);
}

.inspection-card {
  min-width: 0;
  height: var(--inspection-card-height);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: .7rem .55rem .65rem;
  border: 1px solid rgba(30, 30, 30, .18);
  border-radius: 1.35rem;
  background: #fff;
  box-shadow: 5px 6px 0 rgba(30, 30, 30, .1);
  color: var(--fg);
  font: inherit;
  text-align: center;
  cursor: pointer;
  outline: none;
}

.inspection-card:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 3px;
}

.inspection-card-number {
  display: grid;
  place-items: center;
  width: 39px;
  height: 39px;
  border: 2px solid var(--outline);
  border-radius: 50%;
  font-family: var(--font-display);
  font-size: .92rem;
  font-weight: 800;
}

.inspection-card strong {
  font-family: var(--font-display);
  font-size: clamp(.82rem, 1.05vw, 1.1rem);
  line-height: 1.08;
}

.inspection-card small {
  font-size: .58rem;
  line-height: 1.4;
  opacity: .58;
}

.inspection-page-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: .85rem;
  padding-top: .7rem;
  border-top: 1px dashed rgba(30, 30, 30, .22);
  font-size: .64rem;
  line-height: 1.45;
  opacity: .62;
}

.inspection-page-footer p:last-child {
  white-space: nowrap;
  font-weight: 700;
}

.inspection-chat {
  width: min(920px, 84%);
  min-height: 82px;
  margin: .9rem auto 0;
  display: none;
  grid-template-columns: minmax(0, 1fr) 42px;
  align-items: center;
  gap: .8rem;
  padding: .7rem .8rem .7rem 1rem;
  border: 2px solid var(--outline);
  border-radius: 1.45rem;
  background: #fff;
  color: var(--fg);
  box-shadow: 7px 8px 0 rgba(30, 30, 30, .12);
}

.inspection-chat.is-visible {
  display: grid;
}

.inspection-chat-body {
  min-width: 0;
}

.inspection-prompt-text {
  min-height: 5.8em;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 1.08rem;
  line-height: 1.45;
}

.inspection-send {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 2px solid var(--outline);
  border-radius: 50%;
  background: var(--fg);
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
}

@media (max-width: 1100px) {
  .inspection-workbench {
    width: min(1160px, 88vw);
  }

  .inspection-card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    row-gap: .7rem;
  }

  .inspection-page {
    min-height: 650px;
  }
}

@media (max-width: 700px) {
  .deck-slide.source-slide-15 {
    justify-content: center;
    overflow-y: auto;
  }

  .deck-slide.source-slide-15.has-inspection-chat {
    justify-content: center;
  }

  .inspection-workbench {
    width: 92vw;
  }

  .inspection-page-head {
    grid-template-columns: 1fr;
    min-height: 240px;
  }

  .inspection-title-target,
  .inspection-hierarchy-target {
    justify-self: center;
  }

  .inspection-whitespace-target {
    min-height: 45px;
    width: 34%;
  }

  .inspection-title-target h3 {
    white-space: normal;
    text-align: center;
  }

  .inspection-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .inspection-chat {
    width: 86%;
    grid-template-columns: minmax(0, 1fr) 38px;
    gap: .55rem;
  }
}

/* 16 — edit mode prompt */
.edit-mode-prompt {
  width: min(1500px, 88vw);
  height: min(760px, 71vh);
  margin: 0 auto;
  overflow: hidden;
  background: #fff;
  position: relative;
}

.edit-mode-prompt-bar {
  min-height: 66px;
  border-bottom: 2px solid var(--outline);
  background: var(--lavender);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .8rem 1.25rem;
}

.edit-mode-prompt-bar > div:first-child {
  display: flex;
  align-items: center;
  gap: .7rem;
  font-size: .75rem;
  letter-spacing: .08em;
}

.deck-slide.source-slide-16 .deck-head > p {
  max-width: none;
  white-space: nowrap;
  font-size: clamp(.78rem, .9vw, .94rem);
}

.prompt-actions { display: flex; gap: .75rem; }

.prompt-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--outline);
  border-radius: 9999px;
  background: #fff;
  color: var(--fg);
  gap: .48rem;
  padding: .6rem 1rem;
  font: 700 .76rem var(--font-body);
  text-decoration: none;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease;
}

.prompt-action:hover { transform: translate(-2px, -2px); background: var(--yellow); }
.prompt-github { background: var(--mint); }
.prompt-action svg { width: 18px; height: 18px; flex: 0 0 auto; }

.prompt-copy {
  height: calc(100% - 66px);
  overflow: auto;
  scrollbar-width: none;
  padding: 1.15rem 2.8rem 1.8rem 1.7rem;
  font-size: clamp(.69rem, .78vw, .84rem);
  line-height: 1.55;
}

.prompt-copy::-webkit-scrollbar { display: none; }

.prompt-scroll-rail {
  position: absolute;
  top: 82px;
  right: .9rem;
  bottom: 1.25rem;
  width: 18px;
  border: 1.5px solid var(--outline);
  border-radius: 999px;
  background: repeating-linear-gradient(0deg, rgba(197,181,224,.72) 0 7px, rgba(245,184,149,.62) 7px 14px);
  box-shadow: inset 0 0 0 3px rgba(255,255,255,.72);
}

.prompt-scroll-rail::before,
.prompt-scroll-rail::after {
  content: '';
  position: absolute;
  left: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--outline);
  transform: translateX(-50%);
  opacity: .35;
}

.prompt-scroll-rail::before { top: 5px; }
.prompt-scroll-rail::after { bottom: 5px; }

.prompt-scroll-rail span {
  position: absolute;
  top: 3px;
  left: 50%;
  width: 24px;
  min-height: 38px;
  border: 2px solid var(--outline);
  border-radius: 999px;
  background: linear-gradient(180deg, var(--yellow), var(--coral));
  box-shadow: 2px 2px 0 rgba(30,30,30,.14);
  transform: translateX(-50%);
  transition: transform .12s ease, height .12s ease;
}

.prompt-scroll-rail span::after {
  content: '↕';
  position: absolute;
  top: 50%;
  left: 50%;
  color: var(--outline);
  font-size: .6rem;
  font-weight: 800;
  transform: translate(-50%, -50%);
}

.prompt-lead {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.4vw, 1.45rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: .7rem;
}

.prompt-section {
  --section-color: var(--yellow);
  position: relative;
  padding: .7rem .9rem .9rem;
  border: 1.5px solid transparent;
  border-radius: .85rem;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}

.prompt-section h3 {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: .22rem;
}

.prompt-section :is(p, ul, ol) { opacity: .74; }
.prompt-section ul, .prompt-section ol { padding-left: 1.35rem; }
.prompt-section ul ul, .prompt-section ol ul { margin: .1rem 0 .2rem; padding-left: 1.2rem; }
.prompt-section li + li { margin-top: .12rem; }
.prompt-section strong { font-weight: 700; }
.prompt-final { margin-top: .55rem; font-weight: 600; opacity: .85 !important; }
.prompt-section:hover, .prompt-section:focus-visible { border-color: rgba(30,30,30,.25); outline: none; transform: translateX(4px); box-shadow: inset 0 -7px 0 var(--section-color); }
.prompt-principles:hover, .prompt-principles:focus-visible { background: rgba(232,93,78,.18); }
.prompt-capabilities:hover, .prompt-capabilities:focus-visible { background: rgba(196,217,78,.26); }
.prompt-interaction:hover, .prompt-interaction:focus-visible { background: rgba(139,180,247,.23); }
.prompt-export:hover, .prompt-export:focus-visible { background: rgba(197,181,224,.28); }
.prompt-principles { --section-color: var(--coral); }
.prompt-capabilities { --section-color: var(--lime); }
.prompt-interaction { --section-color: var(--sky); }
.prompt-export { --section-color: var(--lavender); }

@media (max-width: 700px) {
  .edit-mode-prompt-bar { align-items: flex-start; flex-direction: column; }
  .prompt-copy { height: calc(100% - 108px); padding: 1rem; }
  .prompt-scroll-rail { top: 124px; right: .55rem; bottom: .8rem; }
  .deck-slide.source-slide-16 .deck-head > p { white-space: normal; }
}

/* 17–18 — motion and tools */
.motion-stage {
  width: min(1460px, 86vw);
  margin: 1rem auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.motion-card {
  min-height: 420px;
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
}

.motion-card h3 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  margin: 1rem 0 .5rem;
}

.motion-card p {
  font-size: .8rem;
  opacity: .6;
}

.motion-viz {
  margin-top: auto;
  height: 180px;
  position: relative;
  border: 2px solid var(--outline);
  border-radius: 9999px;
  background: var(--bg);
  overflow: hidden;
}

.motion-viz .ball {
  position: absolute;
  width: 46px;
  height: 46px;
  border: 2px solid var(--outline);
  border-radius: 50%;
  top: 50%;
  left: 12%;
  transform: translateY(-50%);
  background: var(--coral);
}

.active .motion-viz .ball {
  animation: travel 2.8s ease-in-out infinite;
}

@keyframes travel {
  0%,100% { left: 12%; }
  50% { left: 78%; }
}

.tool-headline { max-width: none !important; white-space: nowrap; }

.tool-catalog {
  width: min(1580px, 91vw);
  margin: .15rem auto 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: .68rem;
  align-items: start;
}

.tool-category {
  min-width: 0;
  padding: .78rem;
  border: 2px solid var(--outline);
  border-radius: 1.7rem;
  background: rgba(255,255,255,.38);
}

.tool-category-space { background: color-mix(in srgb, var(--sky) 25%, #fff); }
.tool-category-data { background: color-mix(in srgb, var(--lime) 28%, #fff); }
.tool-category-timeline { background: color-mix(in srgb, var(--yellow) 28%, #fff); }
.tool-category-interaction { background: color-mix(in srgb, var(--peach) 31%, #fff); }
.tool-category-web { background: color-mix(in srgb, var(--lavender) 28%, #fff); }

.tool-category-head {
  min-height: 48px;
  padding: .1rem .15rem .62rem;
  display: flex;
  align-items: center;
  gap: .62rem;
}

.tool-category-head b { display: block; font-size: .87rem; line-height: 1.1; }
.tool-category-head small { display: block; margin-top: .18rem; font-size: .51rem; letter-spacing: .1em; font-weight: 700; opacity: .54; }

.category-icon, .tool-logo {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border: 2px solid var(--outline);
  color: var(--outline);
}

.category-icon { width: 36px; height: 36px; border-radius: 11px; background: #fff; position: relative; }
.icon-cube::before { content: '◇'; font-size: 1.55rem; line-height: 1; }
.icon-chart::before { content: ''; width: 17px; height: 15px; border-bottom: 3px solid var(--outline); border-left: 3px solid var(--outline); background: linear-gradient(90deg, transparent 0 15%, var(--outline) 15% 32%, transparent 32% 43%, var(--outline) 43% 65%, transparent 65% 76%, var(--outline) 76%); }
.icon-spark::before { content: '✦'; font-size: 1.35rem; }
.icon-timeline::before { content: '→'; font-size: 1.35rem; font-weight: 800; }
.icon-scroll::before { content: '↕'; font-size: 1.28rem; font-weight: 800; }

.tool-list { display: grid; gap: .55rem; }

.tool-card {
  min-height: 92px;
  padding: .62rem .6rem .62rem .72rem;
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr) 24px;
  gap: .58rem;
  align-items: center;
  border-radius: 1.18rem;
  box-shadow: 4px 4px 0 var(--shadow);
  cursor: pointer;
}

.tool-logo { width: 36px; height: 36px; border-radius: 10px; font-family: var(--font-display); font-size: 1.25rem; font-weight: 800; }
.logo-three { background: var(--sky); }.logo-spline { background: var(--peach); }.logo-map { background: var(--mint); }
.logo-chart { background: var(--lime); }.logo-rive { background: var(--yellow); }.logo-matter { background: var(--peach); }
.logo-gsap { background: var(--lime); }.logo-lenis { background: var(--sky); }.logo-vanta { background: var(--violet); }
.logo-bits { background: var(--coral); }.logo-framer { background: var(--lavender); font-family: var(--font-body); }
.logo-fiber { background: var(--violet); }.logo-drei { background: var(--mint); }.logo-d3 { background: var(--peach); }
.logo-chartjs { background: var(--sky); }.logo-anime { background: var(--coral); }.logo-theatre { background: var(--yellow); }
.logo-pixi { background: var(--lime); }.logo-lottie { background: var(--lavender); }.logo-scrolltrigger { background: var(--mint); }
.logo-aceternity { background: var(--peach); }

.tool-card h3 { font-family: var(--font-display); font-size: .98rem; line-height: 1; white-space: nowrap; }
.tool-card span:not(.tool-logo) { display: block; margin-top: .16rem; font-size: .49rem; font-weight: 700; letter-spacing: .075em; text-transform: uppercase; opacity: .6; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tool-card p { margin-top: .24rem; font-size: .6rem; line-height: 1.25; opacity: .68; }

.tool-copy { width: 24px; height: 24px; padding: 0; border: 0; background: transparent; font-size: 1.05rem; cursor: pointer; opacity: .5; transition: opacity .18s ease, transform .18s ease; }
.tool-copy:hover, .tool-copy:focus-visible { opacity: 1; transform: scale(1.15); }
.tool-card:focus-visible { outline: 4px solid var(--sky); outline-offset: 3px; }

/* 17/20 — share HTML, reference-style four-module layout */
.deck-slide.source-slide-20 {
  justify-content: center;
  gap: 0;
  padding-top: 0;
  background: #fbfaf6;
}

.share-page-head {
  width: min(1600px, 90vw);
  margin: 0 auto;
}

.share-page-title {
  max-width: 880px;
}

.share-context-pill {
  display: inline-flex;
  align-items: center;
  min-height: 2.3rem;
  padding: .45rem 1rem;
  border: 2px solid var(--outline);
  border-radius: 999px;
  background: #f5d15f;
  color: var(--outline);
  font-size: .68rem;
  letter-spacing: .12em;
  opacity: 1;
}

.share-page-title h2 {
  margin-top: 1rem;
  color: #242323;
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -.055em;
}

.share-page-title p {
  margin-top: .75rem;
  color: rgba(36, 35, 35, .55);
  font-size: clamp(.92rem, 1.2vw, 1.28rem);
  line-height: 1.5;
}

.share-layout {
  width: min(1600px, 90vw);
  margin: clamp(1.5rem, 3.3vh, 2.7rem) auto 0;
  display: grid;
  grid-template-columns: minmax(250px, .98fr) minmax(0, 3fr);
  gap: clamp(1rem, 1.7vw, 1.8rem);
  align-items: center;
  min-height: min(340px, 38vh);
}

.share-drop-zone {
  position: relative;
  min-height: 335px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.2rem;
  border: 2px dashed rgba(110, 106, 102, .27);
  border-radius: 1.65rem;
  background: rgba(255, 255, 255, .22);
  color: var(--outline);
  cursor: pointer;
  outline: none;
  transition: border-color .24s ease, background .24s ease, transform .24s ease, box-shadow .24s ease;
}

.share-drop-zone::before {
  content: '';
  position: absolute;
  inset: 10px;
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 1.2rem;
  pointer-events: none;
}

.share-drop-zone:focus-visible,
.share-drop-zone.is-dragging {
  border-color: #8c83de;
  background: rgba(221, 219, 255, .26);
  box-shadow: 0 0 0 5px rgba(140, 131, 222, .13);
}

.share-drop-zone.is-filled {
  border-color: #9b94e5;
  background: rgba(225, 223, 255, .32);
}

.share-drop-label {
  position: relative;
  z-index: 2;
  padding: .7rem 1.35rem;
  border: 1.5px solid rgba(36,35,35,.18);
  border-radius: .9rem;
  background: rgba(255,255,255,.72);
  font-size: clamp(.9rem, 1vw, 1.08rem);
  font-weight: 700;
  letter-spacing: .02em;
  box-shadow: 0 5px 0 rgba(36,35,35,.05);
}

.share-drop-pointer {
  position: relative;
  z-index: 2;
  width: 0;
  height: 0;
  margin: .28rem 0 -.12rem;
  border-top: .68rem solid #242323;
  border-right: .48rem solid transparent;
  border-left: .48rem solid transparent;
}

.share-folder-illustration {
  position: relative;
  z-index: 1;
  width: min(100%, 365px);
  height: auto;
  margin: -.15rem 0 -.35rem;
  overflow: visible;
  transition: transform .35s cubic-bezier(.22,1,.36,1), filter .35s ease;
}

.share-drop-zone:hover .share-folder-illustration,
.share-drop-zone.is-dragging .share-folder-illustration,
.share-drop-zone.is-filled .share-folder-illustration {
  transform: translateY(-5px) rotate(-1deg);
  filter: saturate(1.06);
}

.share-folder-files { transform-origin: 210px 150px; transition: transform .35s cubic-bezier(.22,1,.36,1); }
.share-folder-art { transform: scaleX(.86); transform-origin: 210px 215px; }
.share-drop-zone.is-filled .share-folder-files { transform: translateY(-7px) rotate(1deg); }
.share-drop-status { position: absolute; right: 1rem; bottom: .8rem; color: rgba(54,48,101,.68); font-size: .65rem; font-weight: 700; opacity: 0; transition: opacity .2s ease; }
.share-drop-zone.is-filled .share-drop-status { opacity: 1; }

.share-methods {
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(.75rem, 1.35vw, 1.45rem);
}

.share-method-card {
  min-width: 0;
  min-height: 335px;
  padding: clamp(1rem, 1.5vw, 1.55rem);
  display: flex;
  flex-direction: column;
  border: 1.5px solid var(--share-border);
  border-radius: 1.55rem;
  background: var(--share-bg);
  box-shadow: 0 10px 24px rgba(63, 58, 50, .035);
  overflow: hidden;
}

.share-method-local { --share-accent: #efbe43; --share-border: #edc860; --share-bg: #fffaf0; }
.share-method-package { --share-accent: #9a8feb; --share-border: #c7c1fa; --share-bg: #faf9ff; }
.share-method-deploy { --share-accent: #70c4a5; --share-border: #b7ddcf; --share-bg: #f4fbf8; }

.share-method-head {
  display: grid;
  grid-template-columns: 2.65rem minmax(0, 1fr);
  gap: .85rem;
  align-items: start;
}

.share-method-number {
  display: grid;
  place-items: center;
  width: 2.65rem;
  height: 2.65rem;
  border-radius: 50%;
  background: color-mix(in srgb, var(--share-accent) 86%, white);
  color: #3a362d;
  font-size: .9rem;
  font-weight: 800;
}

.share-method-card h3 {
  color: #2c2b2b;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.65vw, 1.85rem);
  line-height: 1.1;
  letter-spacing: -.035em;
}

.share-method-card p {
  margin-top: .55rem;
  color: rgba(44, 43, 43, .6);
  font-size: clamp(.67rem, .78vw, .84rem);
  line-height: 1.6;
}

.share-method-illustration {
  min-height: 0;
  flex: 1;
  display: grid;
  place-items: center;
  padding: .45rem 0 .35rem;
}

.share-method-illustration svg {
  display: block;
  width: min(100%, 290px);
  height: auto;
  overflow: visible;
  filter: drop-shadow(0 12px 10px rgba(65, 62, 57, .08));
  transition: transform .32s cubic-bezier(.22,1,.36,1), filter .32s ease;
}

.share-method-card:hover .share-method-illustration svg { transform: translateY(-4px) scale(1.015); filter: drop-shadow(0 15px 12px rgba(65,62,57,.12)); }
.share-deploy-link-icon { pointer-events: none; }

.share-method-footer {
  min-height: 3.1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .6rem;
  padding: .45rem .55rem .45rem .85rem;
  border: 1.5px solid color-mix(in srgb, var(--share-accent) 36%, white);
  border-radius: 999px;
  background: rgba(255,255,255,.74);
  color: rgba(44,43,43,.74);
  font-size: clamp(.58rem, .67vw, .73rem);
  font-weight: 650;
  line-height: 1.3;
}

.share-footer-icon {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid color-mix(in srgb, var(--share-accent) 70%, white);
  border-radius: 50%;
  background: color-mix(in srgb, var(--share-accent) 21%, white);
  color: color-mix(in srgb, var(--share-accent) 72%, #312f2c);
  font-size: 1rem;
}

.share-footer-glyph {
  display: block;
  width: 1.1rem;
  height: 1.1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (max-width: 1200px) {
  .share-layout { grid-template-columns: minmax(220px, .85fr) minmax(0, 3fr); gap: 1rem; }
  .share-drop-zone, .share-method-card { min-height: 315px; }
  .share-method-card { padding: 1rem; border-radius: 1.25rem; }
  .share-method-head { grid-template-columns: 2.25rem minmax(0, 1fr); gap: .55rem; }
  .share-method-number { width: 2.25rem; height: 2.25rem; font-size: .78rem; }
  .share-method-card p { font-size: .67rem; }
  .share-method-footer { padding-left: .6rem; font-size: .57rem; }
}

@media (max-width: 900px) {
  .deck-slide.source-slide-20 { overflow-y: auto; }
  .share-page-head, .share-layout { width: min(680px, 88vw); }
  .share-page-title h2 { font-size: clamp(2rem, 6vw, 3.2rem); }
  .share-layout { grid-template-columns: 1fr; }
  .share-drop-zone { min-height: 300px; }
  .share-folder-illustration { width: min(100%, 320px); }
  .share-methods { grid-template-columns: 1fr; }
  .share-method-card { min-height: 320px; }
  .share-method-illustration { min-height: 170px; }
}

@media (prefers-reduced-motion: reduce) {
  .share-drop-zone,
  .share-folder-illustration,
  .share-folder-files,
  .share-method-illustration svg { transition: none; }
}

/* 18/20 — from local HTML file to a public URL */
.deck-slide.source-slide-21 {
  justify-content: center;
  overflow-y: auto;
  padding: clamp(1.1rem, 3vh, 2rem) 0;
  background: #fbfaf6;
}

/* Reserve the former footer footprint so removing its visible content does not move the flow upward. */
.deck-slide.source-slide-21::after {
  content: '';
  display: block;
  flex: 0 0 48px;
  width: min(1100px, 72vw);
  height: 48px;
  margin: clamp(1.25rem, 2.7vh, 2.1rem) auto 0;
  visibility: hidden;
  pointer-events: none;
}

.deploy-page-head,
.deploy-stage {
  width: min(1600px, 90vw);
  margin-left: auto;
  margin-right: auto;
}

.deploy-page-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
}

.deploy-page-title {
  max-width: 920px;
}

.deploy-page-title .eyebrow {
  display: inline-flex;
  margin-bottom: .85rem;
  background: var(--yellow);
  color: var(--fg);
}

.deploy-page-title h2 {
  color: var(--fg);
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4.5vw, 4.85rem);
  line-height: 1.02;
  letter-spacing: -.055em;
}

.deploy-page-title p {
  margin-top: .8rem;
  color: rgba(30, 30, 30, .64);
  font-size: clamp(.86rem, 1.1vw, 1.15rem);
  line-height: 1.45;
}

.deploy-stage {
  margin-top: clamp(2rem, 4.8vh, 4rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 34px minmax(0, 1.18fr) 34px minmax(0, 1.18fr);
  align-items: stretch;
  gap: clamp(.55rem, 1vw, 1rem);
}

.deploy-panel {
  min-width: 0;
  min-height: min(440px, 48vh);
  padding: 1.35rem 1.2rem 1.05rem;
  display: flex;
  flex-direction: column;
  border: 1.5px solid;
  border-radius: 1.55rem;
  box-shadow: 7px 8px 0 rgba(30, 30, 30, .07);
}

.deploy-panel-local {
  border-color: rgba(236, 130, 113, .46);
  background: linear-gradient(145deg, rgba(255, 244, 239, .95), rgba(255, 252, 249, .9));
}

.deploy-panel-hosting {
  border-color: rgba(143, 123, 207, .38);
  background: linear-gradient(145deg, rgba(248, 246, 255, .96), rgba(255, 253, 255, .9));
}

.deploy-panel-public {
  border-color: rgba(128, 185, 133, .45);
  background: linear-gradient(145deg, rgba(247, 252, 243, .96), rgba(255, 255, 252, .9));
}

.deploy-panel-head {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.deploy-panel-number {
  flex: 0 0 auto;
  width: 49px;
  height: 49px;
  display: grid;
  place-items: center;
  border: 1.5px solid rgba(30, 30, 30, .16);
  border-radius: 50%;
  color: var(--fg);
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
}

.deploy-number-coral { background: #f18478; }
.deploy-number-violet { background: #a394e6; }
.deploy-number-lime { background: #b9dba4; }

.deploy-panel-head h3 {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.5vw, 1.55rem);
  line-height: 1.05;
}

.deploy-panel-head p {
  margin-top: .25rem;
  color: rgba(30, 30, 30, .58);
  font-size: .78rem;
}

.deploy-local-body,
.deploy-public-body {
  min-height: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.deploy-html-file {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .55rem;
  color: var(--fg);
  cursor: grab;
  outline: none;
  user-select: none;
  transition: transform .25s cubic-bezier(.22, 1, .36, 1), filter .25s ease;
}

.deploy-html-file:hover,
.deploy-html-file:focus-visible,
.deploy-html-file.is-dragging {
  transform: translateY(-6px) rotate(-1deg);
  filter: saturate(1.08);
}

.deploy-html-file:focus-visible {
  outline: 3px solid rgba(232, 93, 78, .42);
  outline-offset: 8px;
  border-radius: 1rem;
}

.deploy-html-file-logo {
  width: min(150px, 12vw);
  height: auto;
  object-fit: contain;
  filter: drop-shadow(7px 9px 0 rgba(30, 30, 30, .1));
}

.deploy-html-file > b {
  font-size: .95rem;
  letter-spacing: .02em;
}

.deploy-local-pill {
  margin-top: 1rem;
  padding: .55rem .9rem;
  border: 1.5px solid rgba(232, 93, 78, .2);
  border-radius: 9999px;
  background: rgba(255, 255, 255, .7);
  color: rgba(30, 30, 30, .78);
  font-size: .72rem;
}

.deploy-local-pill span { margin-right: .28rem; color: var(--coral); }

.deploy-stage-arrow {
  align-self: center;
  color: #7e68cc;
  font-size: 2.35rem;
  font-weight: 800;
  text-align: center;
}

.deploy-provider-grid {
  margin-top: 1.35rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .55rem;
}

.deploy-provider {
  min-width: 0;
  min-height: 104px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  border: 1.5px solid rgba(125, 112, 194, .15);
  border-radius: 1rem;
  background: rgba(255, 255, 255, .8);
  box-shadow: 3px 4px 0 rgba(30, 30, 30, .05);
  color: var(--fg);
  text-align: center;
}

.deploy-provider-logo {
  width: 42px;
  height: 42px;
  object-fit: contain;
}
.deploy-provider b { font-size: .72rem; white-space: nowrap; }

.deploy-drop-zone {
  min-height: 116px;
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  padding: 1rem;
  border: 2px dashed rgba(119, 102, 205, .45);
  border-radius: 1rem;
  background: rgba(242, 240, 255, .58);
  color: #7461c5;
  cursor: pointer;
  outline: none;
  transition: background .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.deploy-drop-zone:hover,
.deploy-drop-zone:focus-visible,
.deploy-drop-zone.is-dragover {
  border-color: #7661cf;
  background: rgba(231, 227, 255, .86);
  box-shadow: 0 0 0 5px rgba(118, 97, 207, .1);
  transform: translateY(-2px);
}

.deploy-drop-zone.is-uploaded { border-color: #8e7cda; background: rgba(228, 223, 255, .88); }
.deploy-drop-zone.is-complete { border-color: #87c69c; background: rgba(226, 247, 231, .86); color: #3f9361; }

.deploy-drop-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  filter: drop-shadow(2px 3px 0 rgba(30, 30, 30, .08));
}

.deploy-drop-zone > span:last-child { display: grid; gap: .18rem; }
.deploy-drop-zone strong { font-size: 1.05rem; }
.deploy-drop-zone small { color: rgba(30, 30, 30, .55); font-size: .68rem; }

.deploy-public-body { position: relative; gap: 1.35rem; }

.deploy-public-spark {
  position: absolute;
  top: 1rem;
  right: 9%;
  color: #8fcf85;
  font-size: 2rem;
}

.deploy-public-browser {
  width: min(100%, 390px);
  overflow: hidden;
  border: 1.5px solid rgba(113, 176, 123, .28);
  border-radius: 1.15rem;
  background: #fff;
  box-shadow: 6px 7px 0 rgba(30, 30, 30, .08);
  transition: transform .35s cubic-bezier(.22, 1, .36, 1), box-shadow .35s ease;
}

.deploy-panel-public.is-live .deploy-public-browser {
  transform: translateY(-5px);
  box-shadow: 7px 10px 0 rgba(30, 30, 30, .09), 0 0 0 5px rgba(135, 198, 156, .12);
}

.deploy-browser-bar {
  min-height: 36px;
  display: flex;
  align-items: center;
  gap: .32rem;
  padding: .45rem .55rem;
  border-bottom: 1px solid rgba(113, 176, 123, .18);
  color: #4b965d;
  font-size: .58rem;
}

.deploy-browser-bar i { width: 9px; height: 9px; border: 1px solid rgba(30,30,30,.12); border-radius: 50%; background: #ed8b7a; }
.deploy-browser-bar i:nth-child(2) { background: #efcb62; }
.deploy-browser-bar i:nth-child(3) { background: #93cf9c; }
.deploy-browser-bar span { min-width: 0; flex: 1; margin-left: .35rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.deploy-browser-bar b { font-size: .9rem; font-weight: 500; }

.deploy-browser-content { padding: .8rem; background: linear-gradient(145deg, #f3faeb, #fff); }
.deploy-browser-hero { position: relative; height: 115px; overflow: hidden; border-radius: .7rem; background: linear-gradient(180deg, #e9f6d9, #d5ebc6); }
.deploy-browser-hero::before { content: ''; position: absolute; right: 12%; top: 19%; width: 30px; height: 30px; border-radius: 50%; background: #f2c857; }
.deploy-browser-hero::after { content: ''; position: absolute; right: -8%; bottom: -24%; width: 67%; height: 80%; border-radius: 50% 50% 0 0; background: #b9d7ac; transform: rotate(-9deg); }
.deploy-browser-hero i { position: absolute; bottom: -24%; left: -8%; width: 72%; height: 80%; border-radius: 50% 50% 0 0; background: #c4dfb7; transform: rotate(9deg); }
.deploy-browser-hero i:nth-child(2) { left: 30%; width: 40%; height: 56%; background: #acd39c; transform: rotate(-12deg); }
.deploy-browser-hero i:nth-child(3) { left: 55%; width: 35%; height: 47%; background: #cbe5be; transform: rotate(17deg); }
.deploy-browser-lines { display: grid; gap: .45rem; margin-top: .75rem; }
.deploy-browser-lines i { display: block; height: 8px; border-radius: 9999px; background: rgba(102, 149, 105, .18); }
.deploy-browser-lines i:first-child { width: 58%; }

.deploy-success {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .62rem 1rem;
  border: 1.5px solid rgba(115, 180, 124, .3);
  border-radius: 9999px;
  background: rgba(255, 255, 255, .82);
  color: rgba(30, 30, 30, .5);
  font-size: .72rem;
  transition: background .25s ease, color .25s ease, border-color .25s ease;
}

.deploy-success > span:first-child { display: grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: #e1e5dc; color: #fff; }
.deploy-success > span:last-child { font-size: 1rem; }
.deploy-panel-public.is-live .deploy-success { border-color: rgba(70, 158, 91, .35); background: #eff9e9; color: #4a9a5b; }
.deploy-panel-public.is-live .deploy-success > span:first-child { background: #55ad68; }

@media (max-width: 1050px) {
  .deck-slide.source-slide-21 { overflow-y: auto; }
  .deploy-page-head { align-items: start; }
  .deploy-stage { grid-template-columns: minmax(0, 1fr) 24px minmax(0, 1fr) 24px minmax(0, 1fr); gap: .45rem; }
  .deploy-panel { padding-left: .85rem; padding-right: .85rem; }
  .deploy-provider b { font-size: .62rem; }
}

@media (max-width: 820px) {
  .deck-slide.source-slide-21 { justify-content: flex-start; }
  .deck-slide.source-slide-21::after {
    flex-basis: calc(3 * 48px + 2 * .35rem + .5rem);
    width: 88vw;
    height: calc(3 * 48px + 2 * .35rem + .5rem);
  }
  .deploy-page-head { flex-direction: column; gap: 1rem; }
  .deploy-stage { grid-template-columns: 1fr; gap: .7rem; }
  .deploy-stage-arrow { transform: rotate(90deg); line-height: 1; }
  .deploy-panel { min-height: 360px; }
}

@media (max-width: 560px) {
  .deploy-page-title h2 { font-size: 2.35rem; }
  .deploy-provider-grid { gap: .35rem; }
  .deploy-provider { min-height: 86px; }
  .deploy-html-file-logo { width: 120px; }
}

/* 21–22 — Why HTML / closing */
.value-grid {
  width: min(1420px, 84vw);
  margin: 1.3rem auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}

.value-card {
  min-height: 480px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
}

.value-card .roman {
  font-family: var(--font-display);
  font-size: 5rem;
  line-height: 1;
}

.value-card h3 {
  font-family: var(--font-display);
  font-size: 2rem;
  margin: 1rem 0;
}

.value-card p {
  font-size: .88rem;
  opacity: .62;
}

.value-card .chip {
  margin-top: auto;
  align-self: flex-start;
}

/* 19/20 — Why HTML value cards */
.deck-slide.source-slide-22 {
  justify-content: center;
}

.deck-slide.source-slide-22 .deck-head {
  margin-bottom: 1rem;
}

.deck-slide.source-slide-22 .value-grid {
  width: min(1420px, 86vw);
  margin: 0 auto;
  gap: 1.35rem;
  align-items: stretch;
}

.deck-slide.source-slide-22 .value-card {
  --value-accent: #ef7775;
  --value-soft: #fff0ef;
  min-height: 390px;
  padding: 1.1rem 1.35rem 1rem;
  position: relative;
  overflow: hidden;
  border: 2px solid var(--outline);
  border-radius: 2rem;
  box-shadow: 8px 8px 0 var(--shadow);
}

.deck-slide.source-slide-22 .value-card:nth-child(2) {
  --value-accent: #70b879;
  --value-soft: #eef9eb;
}

.deck-slide.source-slide-22 .value-card:nth-child(3) {
  --value-accent: #4e91e8;
  --value-soft: #edf4ff;
}

.deck-slide.source-slide-22 .value-card-visual {
  height: 128px;
  position: relative;
  display: grid;
  place-items: center;
}

.deck-slide.source-slide-22 .value-card-visual svg {
  width: min(88%, 270px);
  height: 124px;
  overflow: visible;
}

.deck-slide.source-slide-22 .value-card-index {
  position: absolute;
  top: .1rem;
  left: .05rem;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border: 2px solid var(--value-accent);
  border-radius: 50%;
  background: var(--value-soft);
  color: var(--outline);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
}

.deck-slide.source-slide-22 .value-card h3 {
  min-height: 2.4rem;
  margin: .05rem 0 .4rem;
  text-align: center;
  font-size: clamp(1.35rem, 1.85vw, 1.9rem);
  line-height: 1.18;
}

.deck-slide.source-slide-22 .value-card p {
  min-height: 2.8rem;
  margin: .65rem .1rem .75rem;
  color: rgba(30,30,30,.66);
  font-size: .86rem;
  line-height: 1.65;
  text-align: center;
}

.deck-slide.source-slide-22 .value-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .45rem;
  margin-top: auto;
}

.deck-slide.source-slide-22 .value-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: .35rem .58rem;
  border-radius: 9999px;
  background: var(--value-soft);
  color: var(--value-accent);
  font-size: .65rem;
  font-weight: 800;
  white-space: nowrap;
}

.deck-slide.source-slide-22 .value-category {
  display: block;
  width: fit-content;
  min-width: 136px;
  margin: .7rem auto 0;
  padding: .4rem .9rem;
  border-radius: 9999px;
  background: var(--value-accent);
  color: #fff;
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-align: center;
}

@media (max-width: 1100px) {
  .deck-slide.source-slide-22 .value-grid { gap: .85rem; }
  .deck-slide.source-slide-22 .value-card { padding-left: .9rem; padding-right: .9rem; }
  .deck-slide.source-slide-22 .value-card h3 { font-size: 1.45rem; }
  .deck-slide.source-slide-22 .value-tag { padding-left: .55rem; padding-right: .55rem; font-size: .65rem; }
}

@media (max-width: 820px) {
  .deck-slide.source-slide-22 { justify-content: flex-start; overflow-y: auto; padding-top: 1.5rem; }
  .deck-slide.source-slide-22 .value-grid { width: min(560px, 86vw); grid-template-columns: 1fr; }
  .deck-slide.source-slide-22 .value-card { min-height: 455px; }
}

.asset-stage {
  width: min(1540px, 90vw);
  height: min(680px, 66vh);
  margin: 0 auto;
  position: relative;
}

.asset-network {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: visible;
  pointer-events: none;
}

.asset-network line {
  stroke: var(--outline);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 6 10;
  opacity: .24;
}

.asset-center {
  position: absolute;
  left: 50%;
  top: 48%;
  transform: translate(-50%, -50%);
  width: 260px;
  height: 260px;
  border: 2px solid var(--outline);
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 10px 10px 0 var(--shadow);
  display: grid;
  place-items: center;
  text-align: center;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  z-index: 5;
  cursor: grab;
  touch-action: none;
  user-select: none;
  will-change: translate;
}

.asset-center.is-dragging { cursor: grabbing; box-shadow: 14px 14px 0 rgba(30,30,30,.15); }

.asset-node {
  position: absolute;
  width: 250px;
  min-height: 110px;
  border: 2px solid var(--outline);
  border-radius: 9999px;
  background: #fff;
  box-shadow: 6px 6px 0 var(--shadow);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  z-index: 2;
  will-change: transform;
}

.deck-slide.source-slide-23 .asset-node { width: 205px; min-height: 86px; padding: .8rem; font-size: 1.12rem; cursor: grab; touch-action: none; user-select: none; will-change: translate; }
.deck-slide.source-slide-23 .asset-node.is-dragging { cursor: grabbing; box-shadow: 10px 10px 0 rgba(30,30,30,.14); }
.asset-node.n1 { left: 26.3%; top: 19.6%; rotate: -2deg; background: var(--peach); }
.asset-node.n2 { left: 60.1%; top: 19.6%; rotate: 1.5deg; background: var(--lavender); }
.asset-node.n3 { left: 24.7%; top: 58.5%; rotate: 1.7deg; background: var(--mint); }
.asset-node.n4 { left: 61.7%; top: 58.5%; rotate: -1.8deg; background: var(--sky); }
.asset-node.n5 { left: 50%; bottom: 0; transform: translateX(-50%); rotate: -.8deg; background: var(--coral); }

.deck-slide.source-slide-23 { justify-content: center; }

/* 19 — NASA GISTEMP: ordinary chart vs ECharts dashboard */
.climate-slide { justify-content:center; color:var(--fg); background:radial-gradient(ellipse at 82% 76%, rgba(139,180,247,.2), transparent 38%), radial-gradient(ellipse at 10% 14%, rgba(245,184,149,.15), transparent 34%), var(--bg); }
.climate-slide .climate-grid { position:absolute; inset:0; opacity:.38; background-image:radial-gradient(rgba(30,30,30,.16) 1px, transparent 1px); background-size:17px 17px; mask-image:linear-gradient(to bottom, transparent, #000 22%, #000 82%, transparent); }
.climate-compare { width:min(1460px,88vw); height:min(555px,65vh); min-height:430px; margin:0 auto; position:relative; z-index:1; display:flex; overflow:hidden; border:2px solid var(--outline); border-radius:2rem; background:#fff; box-shadow:8px 8px 0 var(--shadow); }
.climate-before,.climate-after { min-width:0; position:relative; padding:1.4rem 1.6rem; transition:width .8s cubic-bezier(.22,1,.36,1), opacity .45s ease, transform .8s cubic-bezier(.22,1,.36,1); }.climate-before { width:100%; background:#fff; }.climate-after { width:0; padding-left:0; padding-right:0; overflow:hidden; opacity:0; transform:translateX(50px); background:linear-gradient(145deg,#eef7ff,#fffaf0); border-left:0; }
.climate-slide.is-enhanced .climate-before { width:39%; }.climate-slide.is-enhanced .climate-after { width:61%; padding-left:1.6rem; padding-right:1.6rem; opacity:1; transform:translateX(0); border-left:2px solid var(--outline); transition-delay:.18s, .52s, .18s; }
.climate-panel-head { display:flex; justify-content:space-between; align-items:center; color:var(--fg); font-size:.62rem; letter-spacing:.14em; font-weight:800; }.climate-panel-head span { padding:.32rem .58rem; border-radius:999px; background:var(--lavender); }.climate-after .climate-panel-head span { background:var(--lime); }.climate-panel-head small { opacity:.42; letter-spacing:.08em; }
.climate-plain-chart { width:100%; height:calc(100% - 3rem); margin-top:1rem; overflow:visible; }.climate-plain-axis { display:flex; justify-content:space-between; color:rgba(26,26,26,.45); font-size:.63rem; }
.climate-metric { position:absolute; z-index:2; top:3.6rem; left:1.6rem; display:grid; gap:.13rem; pointer-events:none; }.climate-metric span { color:rgba(26,26,26,.54); font-size:.54rem; letter-spacing:.13em; font-weight:700; }.climate-value-row { display:flex; align-items:baseline; gap:.75rem; }.climate-metric strong { font-family:var(--font-display); font-size:2.55rem; line-height:1; letter-spacing:-.04em; }.climate-metric strong small { font-family:var(--font-body); font-size:1rem; margin-left:.2rem; }.climate-metric b { color:var(--coral); font-size:.62rem; letter-spacing:.07em; white-space:nowrap; }
.climate-echart { width:100%; height:calc(100% - 1.55rem); margin-top:1.1rem; }.climate-source { width:min(1460px,88vw); margin:.8rem auto 0; position:relative; z-index:1; color:rgba(26,26,26,.46); font-size:.57rem; letter-spacing:.1em; }
@media (max-width:900px) { .climate-slide { justify-content:flex-start; overflow-y:auto; padding-top:2rem; }.climate-head { align-items:flex-start; flex-direction:column; gap:.8rem; }.climate-compare { height:auto; grid-template-columns:1fr; }.climate-before,.climate-after { min-height:430px; }.climate-source { padding-bottom:1.5rem; } }

.closing-quote {
  position: absolute;
  left: 50%;
  top: 2.5rem;
  transform: translateX(-50%);
  width: min(780px, 54vw);
  text-align: center;
  font-size: .9rem;
  line-height: 1.55;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 4.5rem;
  transform: translate(-50%, 18px);
  z-index: 10000;
  border: 2px solid var(--outline);
  border-radius: 9999px;
  padding: .7rem 1.2rem;
  background: var(--fg);
  color: var(--bg);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s, transform .2s;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

.nav-dots {
  top: 0;
  right: 0;
  bottom: 0;
  width: 3.25rem;
  height: auto;
  align-items: center;
  justify-content: center;
  gap: .42rem;
  padding: 0 .55rem 0 .15rem;
  opacity: 0;
  transform: translateX(.45rem);
  pointer-events: auto;
  transition: opacity .22s ease, transform .22s ease;
}

.nav-dots:hover,
.nav-dots:focus-within {
  opacity: 1;
  transform: translateX(0);
}

.nav-dot {
  width: 9px;
  height: 9px;
}

.slide-counter {
  bottom: 1.35rem;
  right: 1.5rem;
}

.nav-hint {
  bottom: 1.35rem;
  left: 1.5rem;
}

/* Shared lift feedback for repeated, peer-level cards */
:is(
  .after-card,
  .route-card,
  .sequence-node,
  .question-card,
  .contrast-card,
  .spec-item,
  .path-card,
  .check-card,
  .motion-card,
  .tool-card,
  .value-card,
  .editable-card
) {
  transition:
    transform .28s cubic-bezier(.22,1,.36,1),
    box-shadow .28s ease,
    filter .28s ease;
}

@media (hover: hover) {
  :is(
    .after-card,
    .route-card,
    .sequence-node,
    .question-card,
    .contrast-card,
    .spec-item,
    .path-card,
    .check-card,
    .motion-card,
    .tool-card,
    .value-card,
    .editable-card
  ):hover {
    transform: translateY(-9px);
    box-shadow: 11px 14px 0 rgba(30,30,30,.12);
    filter: saturate(1.04);
  }
}

@media (max-width: 1200px) {
  .resource-wall { grid-template-columns: repeat(4, 1fr); }
  .route-grid { grid-template-columns: repeat(3, 1fr); }
  .route-card { min-height: 210px; border-radius: 2rem; }
  .layers-layout { grid-template-columns: 1fr 420px; }
  .method-shell { grid-template-columns: minmax(360px, 420px) 1fr; column-gap: 1.6rem; }
}

@media (max-width: 860px) {
  .deck-slide.source-slide-14 {
    justify-content: flex-start;
    overflow-y: auto;
  }

  .deck-slide.source-slide-14 .deck-head {
    margin-bottom: 1rem;
  }

  .method-shell {
    width: min(680px, 88vw);
    height: auto;
    grid-template-columns: 1fr;
    row-gap: 1.25rem;
    top: 0;
  }

  .method-tabs {
    width: 100%;
  }

  .method-preview {
    height: min(430px, 58vh);
  }
}

@media (prefers-reduced-motion: reduce) {
  .deck-slide.active .reveal,
  .active .motion-viz .ball,
  .layers-layout[data-active-layer="js"] .cursor-dot {
    animation: none !important;
  }
}

/* Page 04: reveal the responsibilities of HTML, CSS, and JS in sequence. */
.anatomy-state { margin-left: auto; font-size: .56rem; font-weight: 700; letter-spacing: .06em; opacity: .55; }
.anatomy-structure, .anatomy-hero, .anatomy-art i, .anatomy-mini-grid span { background: #fff; }
.anatomy-hero { box-shadow: none; }
.anatomy-css-layer, .anatomy-js-layer, .anatomy-3d-stage { opacity: 0; pointer-events: none; }
.anatomy-css-layer { transform: translateY(-8px); }
.anatomy-js-layer { transform: translate(12px, 8px); }
.anatomy-3d-stage { position: absolute; right: 1.5rem; bottom: 1.2rem; width: 190px; height: 150px; transform: translateY(14px) scale(.92); transition: opacity .35s ease, transform .35s cubic-bezier(.22,1,.36,1); }
.anatomy-3d-stage canvas { width: 100%; height: 100%; display: block; }
.anatomy-3d-stage span { position: absolute; right: 4px; bottom: 1px; font-size: .45rem; font-weight: 800; letter-spacing: .12em; opacity: .58; }
.layers-layout[data-active-layer="html"] .anatomy-structure { border-color: rgba(30,30,30,.42); box-shadow: none; transform: none; }
.layers-layout[data-active-layer="html"] .anatomy-hero { filter: grayscale(1); transform: none; box-shadow: none; }
.layers-layout[data-active-layer="css"] .anatomy-hero, .layers-layout[data-active-layer="js"] .anatomy-hero { background: linear-gradient(135deg, var(--lavender), var(--peach)); filter: none; }
.layers-layout[data-active-layer="css"] .anatomy-art i:nth-child(1), .layers-layout[data-active-layer="js"] .anatomy-art i:nth-child(1), .layers-layout[data-active-layer="css"] .anatomy-mini-grid span:nth-child(1), .layers-layout[data-active-layer="js"] .anatomy-mini-grid span:nth-child(1) { background: var(--coral); }
.layers-layout[data-active-layer="css"] .anatomy-art i:nth-child(2), .layers-layout[data-active-layer="js"] .anatomy-art i:nth-child(2), .layers-layout[data-active-layer="css"] .anatomy-mini-grid span:nth-child(2), .layers-layout[data-active-layer="js"] .anatomy-mini-grid span:nth-child(2) { background: var(--lavender); }
.layers-layout[data-active-layer="css"] .anatomy-art i:nth-child(3), .layers-layout[data-active-layer="js"] .anatomy-art i:nth-child(3), .layers-layout[data-active-layer="css"] .anatomy-mini-grid span:nth-child(3), .layers-layout[data-active-layer="js"] .anatomy-mini-grid span:nth-child(3) { background: var(--lime); }
.layers-layout[data-active-layer="css"] .anatomy-css-layer { opacity: 1; transform: translateY(0); }
.layers-layout[data-active-layer="js"] .anatomy-css-layer, .layers-layout[data-active-layer="js"] .anatomy-js-layer { opacity: 1; }
.layers-layout[data-active-layer="js"] .anatomy-css-layer { transform: translateY(0); }
.layers-layout[data-active-layer="js"] .anatomy-js-layer { transform: translate(0,0); }
.layers-layout[data-active-layer="js"] .anatomy-3d-stage { opacity: 1; transform: translateY(0) scale(1); }
@keyframes anatomy-breathe { 50% { transform: translateY(-4px); box-shadow: 8px 10px 0 rgba(160,108,232,.18); } }
@media (prefers-reduced-motion: reduce) { .layers-layout[data-active-layer="js"] .anatomy-hero { animation: none; } }

/* In the HTML state, show semantic content only — no CSS-created page layout. */
.layers-layout[data-active-layer="html"] .anatomy-canvas { padding: 2.1rem 2.4rem; background: #fff; }
.layers-layout[data-active-layer="html"] .anatomy-canvas { padding: 1.35rem; }
.layers-layout[data-active-layer="html"] .anatomy-structure { display: grid; height: 100%; border-color: transparent; padding: 1.1rem; grid-template-rows: 74px 1fr 74px; }
.layers-layout[data-active-layer="html"] .anatomy-nav { display: grid; padding-top: 2.15rem; }
.layers-layout[data-active-layer="html"] .anatomy-nav > span:not(.anatomy-logo),
.layers-layout[data-active-layer="html"] .anatomy-css-layer,
.layers-layout[data-active-layer="html"] .anatomy-js-layer { visibility: hidden; }
.layers-layout[data-active-layer="html"] .anatomy-logo { display: block; margin-bottom: 1.5rem; }
.layers-layout[data-active-layer="html"] .anatomy-hero { display: grid; min-height: 0; padding: 1.7rem 0 0; border-color: transparent; border-radius: 0; grid-template-columns: 1fr; }
.layers-layout[data-active-layer="html"] .anatomy-hero strong { font-family: var(--font-body); font-size: 1.35rem; font-weight: 600; line-height: 1.35; letter-spacing: 0; }
.layers-layout[data-active-layer="html"] .anatomy-hero p { max-width: 35ch; font-size: .8rem; line-height: 1.65; }
.layers-layout[data-active-layer="html"] .anatomy-art, .layers-layout[data-active-layer="html"] .anatomy-mini-grid { display: grid; opacity: 0; visibility: hidden; transform: translateY(16px) scale(.96); pointer-events: none; }

/* CSS creates the page frame, cards, and coloured forms; JS makes them respond. */
.layers-layout[data-active-layer="css"] .anatomy-structure,
.layers-layout[data-active-layer="js"] .anatomy-structure { display: grid; height: 100%; border: 2px dashed rgba(30,30,30,.28); padding: 1.1rem; }
.layers-layout[data-active-layer="css"] .anatomy-nav,
.layers-layout[data-active-layer="js"] .anatomy-nav { display: grid; }
.layers-layout[data-active-layer="css"] .anatomy-nav > span:not(.anatomy-logo),
.layers-layout[data-active-layer="js"] .anatomy-nav > span:not(.anatomy-logo) { display: block; }
.layers-layout[data-active-layer="css"] .anatomy-art,
.layers-layout[data-active-layer="js"] .anatomy-art,
.layers-layout[data-active-layer="css"] .anatomy-mini-grid,
.layers-layout[data-active-layer="js"] .anatomy-mini-grid { display: grid; opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.layers-layout[data-active-layer="css"] .anatomy-nav, .layers-layout[data-active-layer="js"] .anatomy-nav { padding-top: 0; }
.layers-layout[data-active-layer="css"] .anatomy-hero, .layers-layout[data-active-layer="js"] .anatomy-hero { padding: 1.4rem; grid-template-columns: 1.15fr .85fr; border-color: var(--outline); }
.anatomy-structure, .anatomy-nav, .anatomy-hero, .anatomy-art, .anatomy-mini-grid, .anatomy-nav > span:not(.anatomy-logo), .anatomy-css-layer, .anatomy-js-layer { transition: padding .72s cubic-bezier(.22,1,.36,1), border-color .72s ease, background .72s ease, opacity .54s ease, visibility 0s linear .54s, transform .72s cubic-bezier(.22,1,.36,1), grid-template-columns .72s cubic-bezier(.22,1,.36,1), filter .5s ease, box-shadow .5s ease; }
.layers-layout[data-active-layer="css"] .anatomy-art, .layers-layout[data-active-layer="js"] .anatomy-art, .layers-layout[data-active-layer="css"] .anatomy-mini-grid, .layers-layout[data-active-layer="js"] .anatomy-mini-grid, .layers-layout[data-active-layer="css"] .anatomy-nav > span:not(.anatomy-logo), .layers-layout[data-active-layer="js"] .anatomy-nav > span:not(.anatomy-logo) { visibility: visible; }
.layers-layout[data-active-layer="css"] .anatomy-art, .layers-layout[data-active-layer="js"] .anatomy-art, .layers-layout[data-active-layer="css"] .anatomy-mini-grid, .layers-layout[data-active-layer="js"] .anatomy-mini-grid, .layers-layout[data-active-layer="css"] .anatomy-nav > span:not(.anatomy-logo), .layers-layout[data-active-layer="js"] .anatomy-nav > span:not(.anatomy-logo) { transition-delay: 0s; }
.anatomy-art .anatomy-3d-stage { inset: -1.1rem -1.1rem -1.1rem -1.1rem; width: auto; height: auto; z-index: 3; }
.layers-layout[data-active-layer="html"] .anatomy-logo { font-size: 1.55rem; }
.layers-layout[data-active-layer="html"] .anatomy-hero small { font-size: .78rem; }
.layers-layout[data-active-layer="html"] .anatomy-hero strong { font-size: 2.2rem; line-height: 1.2; }
.layers-layout[data-active-layer="html"] .anatomy-hero p { font-size: 1.05rem; line-height: 1.7; }
.anatomy-art i:nth-child(1) { width: 68%; height: 40%; top: 14%; right: 4%; }
.anatomy-art i:nth-child(2) { width: 56%; height: 34%; left: 7%; bottom: 17%; }
.anatomy-art i:nth-child(3) { width: 34%; right: 17%; bottom: 17%; }
.layers-layout[data-active-layer="css"] .anatomy-mini-grid { opacity: 0; visibility: hidden; transform: translateY(18px) scale(.94); pointer-events: none; }
.layers-layout[data-active-layer="js"] .anatomy-mini-grid { opacity: 1; visibility: visible; transform: translateY(0) scale(1); pointer-events: auto; }
.layers-layout[data-active-layer="js"] .anatomy-art i:nth-child(1) { transform: rotate(15deg) translateY(-8px); }
.layers-layout[data-active-layer="js"] .anatomy-art i:nth-child(2) { transform: rotate(-13deg) translateX(-6px); }
.layers-layout[data-active-layer="js"] .anatomy-art i:nth-child(3) { transform: translate(7px,-7px) scale(1.08); }

/* 17 — Motion with purpose */
.deck-slide.source-slide-17 { justify-content: center; }
.deck-slide.source-slide-17 .deck-head { margin-bottom: 1.5rem; }
.deck-slide.source-slide-17 .motion-stage { margin: 0 auto; }
.deck-slide.source-slide-17 .motion-card { min-height: 445px; transform-origin: center center; cursor: default; }
.deck-slide.source-slide-17 .motion-card:hover { transform: none; box-shadow: 7px 7px 0 var(--shadow); filter: none; }
.deck-slide.source-slide-17 .motion-stage.is-card-hovering .motion-card { transform: scale(.92); opacity: .68; filter: saturate(.82); box-shadow: 4px 4px 0 rgba(30,30,30,.07); }
.deck-slide.source-slide-17 .motion-stage.is-card-hovering .motion-card.is-hovered { transform: scale(1.075); opacity: 1; filter: saturate(1.08); box-shadow: 12px 14px 0 rgba(30,30,30,.15); z-index: 3; }
.deck-slide.source-slide-17 .motion-viz { height: 190px; margin-top: 1.45rem; border-radius: 1.6rem; background: #fff; }
.sequence-demo { padding: 1.25rem 1rem; }
.sequence-line { position: absolute; left: 13%; right: 13%; top: 50%; height: 4px; border-radius: 9999px; background: var(--bg); border: 1.5px solid var(--outline); transform: translateY(-50%); }
.sequence-steps { height: 100%; position: relative; display: flex; align-items: center; justify-content: space-between; }
.sequence-steps span { width: 46px; height: 46px; position: relative; z-index: 1; display: grid; place-items: center; border: 2px solid var(--outline); border-radius: 50%; background: #fff; font-size: .68rem; font-weight: 800; }
.sequence-steps span:nth-child(1) { background: var(--coral); }
.sequence-steps span:nth-child(2) { background: var(--yellow); }
.sequence-steps span:nth-child(3) { background: var(--sky); }
.sequence-steps span:nth-child(4) { background: var(--lime); }
.sequence-steps small { position: absolute; top: calc(100% + .5rem); font-size: .57rem; font-weight: 700; white-space: nowrap; }
.change-demo { padding: 1.1rem 1.35rem; display: grid; grid-template-rows: auto 1fr; gap: .55rem; }
.change-caption { display: flex; align-items: baseline; gap: .35rem; }
.change-caption strong { font-family: var(--font-display); font-size: 2.4rem; line-height: 1; }
.change-caption span { font-size: .66rem; font-weight: 700; opacity: .6; }
.change-bars { display: flex; align-items: end; gap: .8rem; padding: .5rem 0 .3rem; border-bottom: 2px solid var(--outline); }
.change-bars i { flex: 1; height: var(--bar); min-width: 24px; border: 2px solid var(--outline); border-bottom: 0; border-radius: .7rem .7rem 0 0; background: var(--lime); transform-origin: bottom; }
.change-bars i:nth-child(2) { background: var(--yellow); }
.change-bars i:nth-child(3) { background: var(--sky); }
.change-bars i:nth-child(4) { background: var(--coral); }
.focus-demo { display: grid; place-items: center; }
.focus-core { position: relative; z-index: 2; width: 126px; height: 126px; display: grid; place-items: center; align-content: center; border: 2px solid var(--outline); border-radius: 50%; background: var(--lavender); line-height: 1; text-align: center; }
.focus-core small, .focus-core span { font-size: .53rem; font-weight: 700; letter-spacing: .06em; }
.focus-core strong { margin: .3rem 0; font-family: var(--font-display); font-size: 2.5rem; }
.focus-context { position: absolute; z-index: 1; padding: .42rem .65rem; border: 1.5px solid var(--outline); border-radius: 9999px; background: var(--bg); font-size: .58rem; font-weight: 700; }
.focus-context.c1 { top: 18%; left: 13%; }
.focus-context.c2 { right: 12%; bottom: 18%; }
.focus-context.c3 { top: 20%; right: 12%; }
.focus-ring { position: absolute; width: 146px; height: 146px; border: 2px dashed var(--outline); border-radius: 50%; opacity: .34; }
@media (max-width: 900px) { .deck-slide.source-slide-17 { justify-content: flex-start; overflow-y: auto; } .deck-slide.source-slide-17 .motion-stage { grid-template-columns: 1fr; } }

/* Page 09 / source slide 12 — inspiration gallery and GitHub resource strip. */
.deck-slide.source-slide-12 { justify-content:center; }
.deck-slide.source-slide-12 .deck-head { margin-bottom:.15rem; }
.deck-slide.source-slide-12 .site-gallery { width:min(1540px,88vw); margin:.45rem auto 0; grid-template-columns:repeat(12,minmax(0,1fr)); gap:.9rem 1rem; }
.deck-slide.source-slide-12 .site-card { grid-column:span 3; min-height:220px; border:1px solid rgba(30,30,30,.14); border-radius:1.25rem; box-shadow:0 8px 16px rgba(30,30,30,.08); }
.deck-slide.source-slide-12 .site-card:nth-child(5) { grid-column:2 / span 3; }
.deck-slide.source-slide-12 .site-card:nth-child(6) { grid-column:5 / span 3; }
.deck-slide.source-slide-12 .site-card:nth-child(7) { grid-column:8 / span 3; }
.deck-slide.source-slide-12 .site-preview { height:145px; border-bottom:1px solid rgba(30,30,30,.12); }
.deck-slide.source-slide-12 .site-info { min-height:73px; padding:.7rem .85rem; display:flex; align-items:center; gap:.65rem; background:rgba(255,255,255,.96); }
.deck-slide.source-slide-12 .site-info > div { min-width:0; }
.deck-slide.source-slide-12 .site-open { margin-left:auto; flex:0 0 auto; width:13px; height:13px; object-fit:contain; opacity:.65; }
.deck-slide.source-slide-12 .site-info h3 { margin:0 0 .18rem; font-family:var(--font-display); font-size:1rem; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.deck-slide.source-slide-12 .site-info p { font-size:.61rem; opacity:.58; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.deck-slide.source-slide-12 .site-card:nth-child(2) .site-preview img { object-position:center 62%; }
.deck-slide.source-slide-12 .site-card:nth-child(7) .site-preview img { object-position:center 42%; }
.gallery-resource-strip { width:min(1540px,88vw); margin:.85rem auto 0; display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:.9rem; align-items:stretch; }
.gallery-resource-intro { display:flex; align-items:center; gap:.7rem; padding:0 .25rem; }.gallery-resource-spark { display:grid; place-items:center; width:42px; height:42px; border-radius:50%; background:var(--peach); color:#e18c4d; font-size:1.4rem; }.gallery-resource-intro div,.gallery-resource-card > div { display:grid; gap:.18rem; min-width:0; }.gallery-resource-intro b { font-family:var(--font-display); font-size:.95rem; }.gallery-resource-intro small { font-size:.62rem; opacity:.55; }
.gallery-resource-card { min-height:68px; padding:.65rem .75rem; display:grid; grid-template-columns:32px minmax(0,1fr) 13px; align-items:center; gap:.65rem; border:1px solid rgba(30,30,30,.1); border-radius:.9rem; background:rgba(255,255,255,.72); box-shadow:none; }.gallery-resource-card:hover { box-shadow:0 8px 16px rgba(30,30,30,.08); }.gallery-github-mark { width:28px; height:28px; object-fit:contain; }.gallery-resource-open { justify-self:end; width:12px; height:12px; object-fit:contain; opacity:.58; }.gallery-resource-card b { font-size:.76rem; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }.gallery-resource-card small { font-size:.58rem; color:rgba(30,30,30,.52); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
@media (max-width:1100px) { .deck-slide.source-slide-12 .site-gallery { gap:.7rem; }.deck-slide.source-slide-12 .site-card { min-height:200px; }.deck-slide.source-slide-12 .site-preview { height:125px; }.deck-slide.source-slide-12 .site-info { min-height:63px; padding:.55rem .65rem; }.deck-slide.source-slide-12 .site-info h3 { font-size:.86rem; }.deck-slide.source-slide-12 .site-info p { font-size:.54rem; }.gallery-resource-strip { grid-template-columns:1fr 1fr; }.gallery-resource-intro { grid-column:1 / -1; } }
@media (max-width:700px) { .deck-slide.source-slide-12 { justify-content:flex-start; overflow-y:auto; padding-top:1.5rem; }.deck-slide.source-slide-12 .site-gallery { width:88vw; grid-template-columns:repeat(2,1fr); }.deck-slide.source-slide-12 .site-card,.deck-slide.source-slide-12 .site-card:nth-child(5),.deck-slide.source-slide-12 .site-card:nth-child(6),.deck-slide.source-slide-12 .site-card:nth-child(7) { grid-column:auto; }.deck-slide.source-slide-12 .site-preview { height:120px; }.gallery-resource-strip { width:88vw; grid-template-columns:1fr; }.gallery-resource-intro { grid-column:auto; } }

/* Final slide 07 / source slide 10 — two visual paths with soft 3D context objects. */
.deck-slide.source-slide-10 { justify-content:center; }
.deck-slide.source-slide-10 .deck-head { position:relative; z-index:3; margin-bottom:.3rem; }
.deck-slide.source-slide-10 .two-col { position:relative; gap:1.8rem; margin-top:2.25rem; }
.deck-slide.source-slide-10 .two-col::before { content:""; position:absolute; z-index:0; top:-4.5rem; left:15%; width:70%; height:6rem; border-top:2px dashed rgba(30,30,30,.18); border-radius:50%; transform:rotate(-2deg); pointer-events:none; }
.deck-slide.source-slide-10 .path-card { --path-accent:var(--coral); position:relative; z-index:1; min-height:510px; padding:2.05rem 2.35rem 2rem; overflow:visible; border:1px solid rgba(30,30,30,.12); border-top:3px solid var(--path-accent); border-radius:1.45rem; background:linear-gradient(145deg,rgba(255,255,255,.98),rgba(250,250,247,.9)); box-shadow:0 20px 32px rgba(30,30,30,.1), 0 4px 10px rgba(30,30,30,.04); transform:perspective(1400px) rotateY(-2.8deg) rotateX(.7deg); transition:transform .42s cubic-bezier(.22,1,.36,1), box-shadow .42s ease, filter .42s ease; }
.deck-slide.source-slide-10 .path-card-reference { --path-accent:var(--violet); transform:perspective(1400px) rotateY(2.8deg) rotateX(.7deg); }
.deck-slide.source-slide-10 .path-card:hover,.deck-slide.source-slide-10 .path-card:focus-within { z-index:4; transform:perspective(1400px) rotateY(0) rotateX(0) translateY(-10px); box-shadow:0 28px 42px rgba(30,30,30,.15), 0 7px 16px rgba(30,30,30,.06); filter:saturate(1.04); }
.deck-slide.source-slide-10 .path-number { position:absolute; z-index:6; top:-31px; left:50%; width:62px; height:62px; border:1px solid rgba(30,30,30,.2); box-shadow:0 8px 14px rgba(30,30,30,.12); transform:translateX(-50%); font-size:1.7rem; }
.deck-slide.source-slide-10 .path-card h3 { position:relative; z-index:2; max-width:62%; min-height:4.4rem; margin:0 0 .5rem; padding-top:.35rem; font-size:1.75rem; line-height:1.2; }
.deck-slide.source-slide-10 .path-card p { position:relative; z-index:2; max-width:58%; font-size:.82rem; line-height:1.7; opacity:.66; }
.deck-slide.source-slide-10 .path-card-skill h3,.deck-slide.source-slide-10 .path-card-skill p { margin-left:4.1rem; }
.deck-slide.source-slide-10 .path-list { position:relative; z-index:2; margin-top:auto; padding-top:1rem; }
.deck-slide.source-slide-10 .path-item { position:relative; border-top:1px dashed rgba(30,30,30,.16); padding:.72rem 0 .05rem 3.05rem; min-height:2.2rem; font-size:.78rem; color:rgba(30,30,30,.68); }
.deck-slide.source-slide-10 .path-item::before { content:""; position:absolute; left:0; top:.55rem; width:25px; height:25px; border:1px solid rgba(30,30,30,.12); border-radius:50%; background:var(--path-accent); box-shadow:0 4px 8px rgba(30,30,30,.08); }
.deck-slide.source-slide-10 .path-card-skill .path-item:nth-child(1)::before { content:"✦"; display:grid; place-items:center; color:#fff; font-size:.7rem; }
.deck-slide.source-slide-10 .path-card-skill .path-item:nth-child(2)::before { content:"≋"; display:grid; place-items:center; color:#fff; font-size:.9rem; }
.deck-slide.source-slide-10 .path-card-skill .path-item:nth-child(3)::before { content:"↗"; display:grid; place-items:center; color:#fff; font-size:.75rem; }
.deck-slide.source-slide-10 .path-card-reference .path-item:nth-child(1)::before { content:"▧"; display:grid; place-items:center; color:#fff; font-size:.75rem; }
.deck-slide.source-slide-10 .path-card-reference .path-item:nth-child(2)::before { content:"T"; display:grid; place-items:center; color:#fff; font-size:.72rem; font-weight:800; }
.deck-slide.source-slide-10 .path-card-reference .path-item:nth-child(3)::before { content:"◆"; display:grid; place-items:center; color:#fff; font-size:.55rem; }

.deck-slide.source-slide-10 .path-visual { position:absolute; z-index:5; top:4.35rem; width:185px; height:190px; pointer-events:none; filter:drop-shadow(0 15px 12px rgba(30,30,30,.13)); transform-style:preserve-3d; animation:path-art-float 5.8s ease-in-out infinite; }
.deck-slide.source-slide-10 .path-visual-skill { left:-4rem; }
.deck-slide.source-slide-10 .path-visual-reference { right:-4rem; animation-delay:-2.2s; }
.path-visual .path-orb { position:absolute; left:21px; top:30px; width:145px; height:145px; border-radius:50%; background:radial-gradient(circle at 35% 28%,rgba(255,255,255,.62),transparent 36%),linear-gradient(145deg,rgba(247,190,151,.7),rgba(232,93,78,.12)); opacity:.72; }
.path-visual-reference .path-orb { background:radial-gradient(circle at 35% 28%,rgba(255,255,255,.58),transparent 36%),linear-gradient(145deg,rgba(188,179,250,.74),rgba(112,86,207,.13)); }
.path-visual .path-orb-small { left:auto; top:117px; right:2px; width:46px; height:46px; background:rgba(255,255,255,.62); border:1px solid rgba(30,30,30,.08); box-shadow:0 8px 13px rgba(30,30,30,.08); }
.doc-sheet,.browser-window { position:absolute; display:block; border:1px solid rgba(30,30,30,.12); border-radius:10px; background:linear-gradient(145deg,rgba(255,255,255,.82),rgba(255,255,255,.46)); box-shadow:0 10px 18px rgba(30,30,30,.1), inset 0 1px rgba(255,255,255,.85); transform:rotate(-8deg) skewY(-2deg); }
.doc-sheet { left:35px; top:31px; width:102px; height:139px; }
.doc-sheet-back { opacity:.48; transform:translate(-13px,9px) rotate(-14deg); }
.doc-sheet-front { padding:16px 14px; background:linear-gradient(155deg,rgba(255,255,255,.88),rgba(255,242,234,.55)); }
.doc-badge { display:grid; place-items:center; width:34px; height:34px; border-radius:8px; background:rgba(247,174,126,.76); color:#fff; font:700 1.45rem Georgia,serif; font-style:normal; box-shadow:0 5px 9px rgba(232,93,78,.16); }
.doc-line { display:block; height:4px; margin-top:13px; border-radius:4px; background:rgba(232,93,78,.5); }.doc-line + .doc-line { margin-top:9px; }.line-long{width:70px}.line-mid{width:57px;opacity:.7}.line-short{width:43px;opacity:.45}
.code-float { position:absolute; right:6px; bottom:32px; display:grid; place-items:center; width:66px; height:32px; border:1px solid rgba(30,30,30,.13); border-radius:8px; background:linear-gradient(145deg,#f29c70,#d86c4d); color:#fff; box-shadow:0 8px 12px rgba(232,93,78,.2); font:700 .75rem ui-monospace,monospace; transform:rotate(7deg); }
.path-visual > small { position:absolute; bottom:-.15rem; left:16px; color:rgba(30,30,30,.42); font-size:.45rem; font-weight:800; letter-spacing:.11em; white-space:nowrap; }
.browser-window { left:25px; top:38px; width:129px; height:103px; border-radius:8px; transform:rotate(7deg) skewY(2deg); }
.browser-window-back { opacity:.48; transform:translate(14px,10px) rotate(12deg); }
.browser-window-front { padding:17px 10px 10px; background:linear-gradient(150deg,rgba(255,255,255,.88),rgba(239,235,255,.62)); }
.browser-window-front::before { content:""; position:absolute; top:7px; left:9px; width:4px; height:4px; border-radius:50%; background:var(--coral); box-shadow:8px 0 var(--yellow),16px 0 var(--lime); }
.browser-bar { display:block; width:72px; height:5px; margin:0 auto 11px; border:1px solid rgba(112,86,207,.25); border-radius:4px; background:#fff; }
.browser-image { display:block; width:100%; height:43px; border-radius:5px; background:linear-gradient(145deg,rgba(183,171,248,.9),rgba(111,91,211,.5) 55%,rgba(255,255,255,.75)); position:relative; overflow:hidden; }.browser-image::after { content:""; position:absolute; left:13px; bottom:7px; width:43px; height:22px; border-radius:50% 50% 0 0; background:rgba(255,255,255,.35); transform:skewX(-25deg); }
.browser-copy { display:block; width:48px; height:5px; margin-top:9px; border-radius:4px; background:rgba(112,86,207,.42); box-shadow:0 9px 0 rgba(112,86,207,.2),24px 9px 0 rgba(112,86,207,.12); }
.type-float { position:absolute; right:-2px; bottom:36px; display:block; width:57px; height:48px; padding:7px 6px; border:1px solid rgba(30,30,30,.1); border-radius:8px; background:rgba(255,255,255,.78); color:#5e50c7; box-shadow:0 8px 14px rgba(30,30,30,.12); font:700 1.3rem Georgia,serif; line-height:.8; transform:rotate(-4deg); }.type-float small{font:700 .4rem var(--font-body);letter-spacing:.1em;color:rgba(30,30,30,.42)}
.color-float { position:absolute; right:14px; bottom:13px; display:flex; gap:4px; padding:5px 6px; border:1px solid rgba(30,30,30,.1); border-radius:6px; background:rgba(255,255,255,.82); box-shadow:0 5px 9px rgba(30,30,30,.08); transform:rotate(5deg); }.color-float i{width:10px;height:10px;border-radius:3px;background:#7662dd}.color-float i:nth-child(2){background:#9f91f3}.color-float i:nth-child(3){background:#a7c7ed}
@keyframes path-art-float { 0%,100% { transform:translateY(0) rotateZ(0deg); } 50% { transform:translateY(-8px) rotateZ(1deg); } }
@media (max-width:1200px) { .deck-slide.source-slide-10 .path-visual { transform:scale(.82); transform-origin:top center; } .deck-slide.source-slide-10 .path-visual-skill{left:-3rem}.deck-slide.source-slide-10 .path-visual-reference{right:-3rem} }
@media (max-width:900px) { .deck-slide.source-slide-10 .two-col { grid-template-columns:1fr; gap:1.3rem; margin-top:4rem; } .deck-slide.source-slide-10 .two-col::before { display:none; } .deck-slide.source-slide-10 .path-card { min-height:440px; } .deck-slide.source-slide-10 .path-visual { top:-5rem; transform:scale(.68); } .deck-slide.source-slide-10 .path-visual-skill{left:-1.8rem}.deck-slide.source-slide-10 .path-visual-reference{right:-1.8rem} .deck-slide.source-slide-10 .path-card h3,.deck-slide.source-slide-10 .path-card p { max-width:70%; } }
@media (prefers-reduced-motion: reduce) { .deck-slide.source-slide-10 .path-visual { animation:none; } .deck-slide.source-slide-10 .path-card { transition:none; } }

/* Final slide 07 refinements. */
.deck-slide.source-slide-10 .two-col { width:min(1160px,72vw); gap:1.5rem; }
.deck-slide.source-slide-10 .two-col::before { display:none; }
.deck-slide.source-slide-10 .path-card { min-height:420px; padding:1.9rem 2rem 1.65rem; }
.deck-slide.source-slide-10 .path-number { top:-17px; width:46px; height:29px; border:0; border-radius:999px; color:#fff !important; box-shadow:0 6px 12px rgba(30,30,30,.12); transform:translateX(-50%); font-size:1.05rem; }
.deck-slide.source-slide-10 .path-card h3 { max-width:90%; min-height:0; margin:0 auto .55rem; text-align:center; font-size:1.62rem; }
.deck-slide.source-slide-10 .path-card p { max-width:90%; margin-left:auto; margin-right:auto; text-align:center; }
.deck-slide.source-slide-10 .path-card-skill h3,.deck-slide.source-slide-10 .path-card-skill p { margin-left:auto; }
.deck-slide.source-slide-10 .path-card .path-list { width:90%; margin:1.35rem auto 0; }
.deck-slide.source-slide-10 .path-card .path-item { padding-left:2.6rem; padding-right:2.6rem; text-align:center; }
.deck-slide.source-slide-10 .path-title-accent { color:var(--coral); }
.deck-slide.source-slide-10 .path-card-reference .path-title-accent { color:#5876d8; }
.deck-slide.source-slide-10 .path-visual .path-orb { display:none; }
.deck-slide.source-slide-10 .path-visual .path-orb-small { display:none; }
.deck-slide.source-slide-10 .path-visual-skill { left:-9.8rem; }
.deck-slide.source-slide-10 .path-visual-reference { right:-6.5rem; }
.deck-slide.source-slide-10 .path-visual-skill > small { left:60px; }
@keyframes path-art-float { 0%,100% { transform:translateY(0) rotateZ(0deg) scale(1.18); } 50% { transform:translateY(-8px) rotateZ(1deg) scale(1.18); } }
@media (max-width:1200px) { .deck-slide.source-slide-10 .path-visual { animation-name:path-art-float-compact; } @keyframes path-art-float-compact { 0%,100% { transform:translateY(0) scale(1); } 50% { transform:translateY(-6px) scale(1); } } }
@media (max-width:900px) { .deck-slide.source-slide-10 .two-col { width:min(560px,86vw); } .deck-slide.source-slide-10 .path-card { min-height:390px; } .deck-slide.source-slide-10 .path-visual { animation-name:path-art-float-mobile; } @keyframes path-art-float-mobile { 0%,100% { transform:translateY(0) scale(.78); } 50% { transform:translateY(-5px) scale(.78); } } }

/* Final slide 07 typography and vertical rhythm refinements. */
.deck-slide.source-slide-10 .deck-head,
.deck-slide.source-slide-10 .two-col { transform:translateY(-.8rem); }
.deck-slide.source-slide-10 .path-number { width:52px; height:33px; font-size:1.35rem; }
.deck-slide.source-slide-10 .path-card h3 { font-size:1.82rem; }
.deck-slide.source-slide-10 .path-card p { max-width:100%; font-size:.9rem; line-height:1.65; }
.deck-slide.source-slide-10 .path-card .path-list { margin-top:1rem; }
.deck-slide.source-slide-10 .path-card .path-item { display:flex; align-items:center; justify-content:center; gap:.8rem; padding:.64rem 0 .04rem; font-size:.92rem; line-height:1.35; text-align:left; }
.deck-slide.source-slide-10 .path-card .path-item::before { position:static; flex:0 0 25px; margin:0; }

/* Final slide 07 alignment, scale, and spacing refinements. */
.deck-slide.source-slide-10 .two-col { margin-top:3.45rem; }
.deck-slide.source-slide-10 .path-card h3 { max-width:100%; font-size:2.73rem; }
.deck-slide.source-slide-10 .path-card { padding-left:1rem; padding-right:1rem; }
.deck-slide.source-slide-10 .path-card p { max-width:100%; font-size:1.1rem; }
.deck-slide.source-slide-10 .path-card .path-item { display:grid; grid-template-columns:28px minmax(0,1fr) 28px; gap:.55rem; padding:.7rem 0 .08rem; font-size:1.38rem; line-height:1.35; text-align:center; }
.deck-slide.source-slide-10 .path-card .path-item::before { grid-column:1; grid-row:1; position:static; align-self:center; justify-self:start; flex:none; }
.deck-slide.source-slide-10 .path-card .path-item span { grid-column:2; grid-row:1; }
.deck-slide.source-slide-10 .path-visual-skill { left:-7.8rem; }
.deck-slide.source-slide-10 .path-visual-skill .code-float { right:34px; }

/* Final slide 07 visual balance refinements. */
.deck-slide.source-slide-10 .path-visual { top:5.2rem; }
.deck-slide.source-slide-10 .path-card h3 { font-size:2.35rem; }
.deck-slide.source-slide-10 .path-card p { font-size:1rem; }
.deck-slide.source-slide-10 .path-card .path-item { font-size:1.15rem; }
.deck-slide.source-slide-10 .path-card .path-item::before { transform:translateX(1.15rem); }
.deck-slide.source-slide-10 .path-visual-reference { right:-8rem; }
.deck-slide.source-slide-10 .path-visual { top:6.35rem; }
.deck-slide.source-slide-10 .path-card h3,
.deck-slide.source-slide-10 .path-card p,
.deck-slide.source-slide-10 .path-card .path-list { transform:translateY(1.15rem); }
@media (max-width:900px) { .deck-slide.source-slide-10 .path-visual { top:-4.5rem; } }

/* Links open directly; hide legacy copy-link affordances. */
.copy-only,
.tool-copy { display:none !important; }

/* Page 09 — two opposing infinite website tracks. */
.deck-slide.source-slide-12 .site-gallery {
  width:100vw;
  margin-left:calc(50% - 50vw);
  margin-right:calc(50% - 50vw);
  display:flex;
  flex-direction:column;
  gap:.85rem;
  overflow:hidden;
}
.deck-slide.source-slide-12 .site-marquee {
  --gallery-card-width:calc((min(1540px, 88vw) - 2.7rem) / 4);
  width:100vw;
  margin-left:calc(50% - 50vw);
  overflow:hidden;
  -webkit-mask-image:linear-gradient(to right, transparent 0, #000 5vw, #000 calc(100% - 5vw), transparent 100%);
  mask-image:linear-gradient(to right, transparent 0, #000 5vw, #000 calc(100% - 5vw), transparent 100%);
}
.deck-slide.source-slide-12 .site-track {
  display:flex;
  gap:.9rem;
  width:max-content;
  will-change:transform;
  animation:gallery-marquee-left 46s linear infinite;
}
.deck-slide.source-slide-12 .site-marquee-bottom .site-track {
  animation-name:gallery-marquee-right;
  animation-duration:52s;
}
.deck-slide.source-slide-12 .site-track .site-card {
  flex:0 0 var(--gallery-card-width);
  grid-column:auto;
}
.deck-slide.source-slide-12 .site-marquee:hover .site-track { animation-play-state:paused; }
@keyframes gallery-marquee-left {
  from { transform:translateX(0); }
  to { transform:translateX(calc(-50% - .45rem)); }
}
@keyframes gallery-marquee-right {
  from { transform:translateX(calc(-50% - .45rem)); }
  to { transform:translateX(0); }
}
@media (max-width:1100px) {
  .deck-slide.source-slide-12 .site-marquee { --gallery-card-width:calc((min(1540px, 88vw) - 1.8rem) / 3); }
}
@media (max-width:700px) {
  .deck-slide.source-slide-12 .site-marquee { --gallery-card-width:calc((min(1540px, 88vw) - .9rem) / 2); }
}
@media (prefers-reduced-motion:reduce) {
  .deck-slide.source-slide-12 .site-track { animation:none; }
}

/* Page 09 — give the heading and resource links more breathing room. */
.deck-slide.source-slide-12 .deck-head {
  position:relative;
  top:-1.05rem;
}
.deck-slide.source-slide-12 .gallery-resource-strip {
  margin-top:1.5rem;
}
@media (max-width:700px) {
  .deck-slide.source-slide-12 .deck-head { top:-.9rem; }
  .deck-slide.source-slide-12 .gallery-resource-strip { margin-top:1.1rem; }
}

/* Keep the marquee within the original content width while retaining soft edge fades. */
.deck-slide.source-slide-12 .site-gallery {
  width:min(1540px,88vw);
  margin-left:auto;
  margin-right:auto;
}
.deck-slide.source-slide-12 .site-marquee {
  width:100%;
  margin-left:0;
}

/* Page 15 — Capsule library wall with category reveal */
.deck-slide.source-slide-18 .tool-catalog { display:none !important; }
.deck-slide.source-slide-18 .deck-head { margin-bottom:1.35rem; }
.deck-slide.source-slide-18 .tool-headline { max-width:none !important; white-space:nowrap; font-size:clamp(.72rem,.95vw,1rem); }
.library-card-wall { position:relative; width:min(1540px,88vw); margin:0 auto; padding:0 .25rem .6rem; }
.library-card-board { position:relative; display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); grid-template-rows:repeat(5,minmax(94px,auto)); gap:.85rem; }
.library-category-group { position:relative; min-width:0; min-height:0; display:grid; gap:.85rem; }
.library-category-space { grid-column:1; grid-row:1 / span 4; grid-template-columns:1fr; grid-template-rows:repeat(4,minmax(0,1fr)); }
.library-category-data { grid-column:2; grid-row:1 / span 4; grid-template-columns:1fr; grid-template-rows:repeat(4,minmax(0,1fr)); }
.library-category-timeline { grid-column:3 / span 2; grid-row:1 / span 2; grid-template-columns:repeat(2,minmax(0,1fr)); grid-template-rows:repeat(2,minmax(0,1fr)); }
.library-category-interaction { grid-column:3 / span 2; grid-row:3 / span 2; grid-template-columns:repeat(2,minmax(0,1fr)); grid-template-rows:repeat(2,minmax(0,1fr)); }
.library-category-web { grid-column:1 / -1; grid-row:5; grid-template-columns:repeat(4,minmax(0,1fr)); grid-template-rows:1fr; }
.library-card { --library-card-bg:#fff; position:relative; min-width:0; min-height:94px; padding:.65rem .78rem .6rem; display:flex; flex-direction:column; justify-content:space-between; border:2px solid var(--outline); border-radius:1.12rem; background:var(--library-card-bg); box-shadow:5px 5px 0 rgba(30,30,30,.12); cursor:pointer; outline:none; transition:transform .22s cubic-bezier(.22,1,.36,1), box-shadow .22s ease, opacity .22s ease, filter .22s ease; }
.library-card:hover,.library-card:focus-visible { transform:translateY(-3px); box-shadow:8px 9px 0 rgba(30,30,30,.15); z-index:3; }
.library-card h3 { margin:0; font-family:var(--font-display); font-size:clamp(.9rem,1.28vw,1.24rem); line-height:1.08; letter-spacing:-.02em; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.library-card-meta { margin:auto 0 0; color:rgba(30,30,30,.68); font-size:.62rem; line-height:1.3; letter-spacing:.025em; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.library-card-meta span { display:block; margin-top:.2rem; color:rgba(30,30,30,.5); font-size:.57rem; letter-spacing:.02em; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.library-card-sky { --library-card-bg:linear-gradient(135deg,#91b8f2,#769ee7); }
.library-card-violet { --library-card-bg:linear-gradient(135deg,#cdbce2,#b9a6d2); }
.library-card-mint { --library-card-bg:linear-gradient(135deg,#a9e6d2,#8fd6bd); }
.library-card-peach { --library-card-bg:linear-gradient(135deg,#f7b994,#f0a37d); }
.library-card-lime { --library-card-bg:linear-gradient(135deg,#d0e850,#b9d83e); }
.library-card-lavender { --library-card-bg:linear-gradient(135deg,#cdbce2,#b9a6d2); }
.library-card-coral { --library-card-bg:linear-gradient(135deg,#f7b994,#f0a37d); }
.library-card-yellow { --library-card-bg:linear-gradient(135deg,#f8d867,#f4cf55); }
.library-card.is-library-category-focus { z-index:3; }
.library-card.is-library-category-muted { opacity:.26; filter:saturate(.45); }
.library-category-frame { position:absolute; z-index:6; border:2px dashed var(--library-focus-color,#252525); border-radius:1.42rem; pointer-events:none; box-sizing:border-box; transition:left .18s ease, top .18s ease, width .18s ease, height .18s ease; }
.library-category-frame[hidden] { display:none; }
.library-category-label { position:absolute; z-index:8; padding:.34rem .75rem; border:1.5px dashed var(--library-focus-color,#252525); border-radius:999px; background:var(--bg); color:var(--outline); font-size:.67rem; font-weight:800; letter-spacing:.08em; pointer-events:none; box-shadow:3px 3px 0 rgba(30,30,30,.1); }
.library-category-label[hidden] { display:none; }
@media (max-width:1000px) { .library-card-wall { width:88vw; }.library-card-board { grid-template-columns:repeat(2,minmax(0,1fr)); grid-template-rows:repeat(3,minmax(94px,auto)); }.library-category-space { grid-column:1; grid-row:1; grid-template-columns:repeat(2,minmax(0,1fr)); grid-template-rows:repeat(2,minmax(0,1fr)); }.library-category-data { grid-column:2; grid-row:1; grid-template-columns:repeat(2,minmax(0,1fr)); grid-template-rows:repeat(2,minmax(0,1fr)); }.library-category-timeline { grid-column:1; grid-row:2; }.library-category-interaction { grid-column:2; grid-row:2; }.library-category-web { grid-column:1 / -1; grid-row:3; grid-template-columns:repeat(4,minmax(0,1fr)); } }
@media (max-width:650px) { .deck-slide.source-slide-18 .deck-head { margin-bottom:.9rem; }.library-card-board { grid-template-columns:1fr; grid-template-rows:auto; }.library-category-space,.library-category-data,.library-category-timeline,.library-category-interaction,.library-category-web { grid-column:1; grid-row:auto; grid-template-columns:repeat(2,minmax(0,1fr)); grid-template-rows:auto; }.library-category-space,.library-category-data { grid-template-columns:1fr; }.library-card { min-height:84px; }.library-card h3 { font-size:.92rem; }.library-card-meta { font-size:.57rem; }.library-card-meta span { font-size:.51rem; } }

/* Page 15 — quieter palette: category tints stay visible without competing */
.deck-slide.source-slide-18 .library-card {
  --library-card-bg:#fffefa;
  border-color:rgba(30,30,30,.78);
  box-shadow:5px 5px 0 rgba(30,30,30,.08);
}
.deck-slide.source-slide-18 .library-category-space .library-card {
  --library-accent:#6f8fc5;
  --library-card-bg:color-mix(in srgb, #9db9e4 13%, #fff);
}
.deck-slide.source-slide-18 .library-category-data .library-card {
  --library-accent:#8fae3d;
  --library-card-bg:color-mix(in srgb, #c8da73 15%, #fff);
}
.deck-slide.source-slide-18 .library-category-timeline .library-card {
  --library-accent:#b6973e;
  --library-card-bg:color-mix(in srgb, #f0d98b 15%, #fff);
}
.deck-slide.source-slide-18 .library-category-interaction .library-card {
  --library-accent:#c98267;
  --library-card-bg:color-mix(in srgb, #efb99c 14%, #fff);
}
.deck-slide.source-slide-18 .library-category-web .library-card {
  --library-accent:#8979b4;
  --library-card-bg:color-mix(in srgb, #c9bde1 15%, #fff);
}
.deck-slide.source-slide-18 .library-card:hover,
.deck-slide.source-slide-18 .library-card:focus-visible,
.deck-slide.source-slide-18 .library-card.is-library-category-focus {
  background:color-mix(in srgb, var(--library-accent) 20%, #fff);
  border-color:color-mix(in srgb, var(--library-accent) 72%, #252525);
  box-shadow:7px 8px 0 rgba(30,30,30,.1);
}
.deck-slide.source-slide-18 .library-card.is-library-category-muted {
  opacity:.42;
  filter:saturate(.45) grayscale(.12);
}
.deck-slide.source-slide-18 .library-category-frame {
  border-color:color-mix(in srgb, var(--library-focus-color) 75%, #252525);
}
.deck-slide.source-slide-18 .library-category-label {
  border-color:color-mix(in srgb, var(--library-focus-color) 72%, #252525);
  background:rgba(255,255,255,.9);
}

/* Page 15 — stronger accents and vertically centered composition */
.deck-slide.source-slide-18 { justify-content:center; }
.deck-slide.source-slide-18 .library-category-space .library-card {
  --library-accent:#5f83c2;
  --library-card-bg:color-mix(in srgb, #8eafe0 22%, #fff);
}
.deck-slide.source-slide-18 .library-category-data .library-card {
  --library-accent:#7e9f2f;
  --library-card-bg:color-mix(in srgb, #bfd45f 24%, #fff);
}
.deck-slide.source-slide-18 .library-category-timeline .library-card {
  --library-accent:#dfa62a;
  --library-card-bg:color-mix(in srgb, #f1cf68 25%, #fff);
}
.deck-slide.source-slide-18 .library-category-interaction .library-card {
  --library-accent:#d97558;
  --library-card-bg:color-mix(in srgb, #efa787 23%, #fff);
}
.deck-slide.source-slide-18 .library-category-web .library-card {
  --library-accent:#8069b0;
  --library-card-bg:color-mix(in srgb, #bca9d8 23%, #fff);
}
.deck-slide.source-slide-18 .library-card:hover,
.deck-slide.source-slide-18 .library-card:focus-visible,
.deck-slide.source-slide-18 .library-card.is-library-category-focus {
  background:color-mix(in srgb, var(--library-accent) 42%, #fff);
  border-color:color-mix(in srgb, var(--library-accent) 82%, #252525);
  box-shadow:8px 9px 0 rgba(30,30,30,.13);
}
.deck-slide.source-slide-18 .library-category-frame {
  border-color:var(--library-focus-color);
}
@media (max-width:650px) {
  .deck-slide.source-slide-18 { justify-content:flex-start; padding-top:1.5rem; }
}