/* slides.css — State of AI · 20-min slideshow */
/* Design tokens match index.html / style.css */

:root {
  --bg-primary: #2D3142;
  --bg-card:    #383E52;
  --bg-card-2:  #424960;
  --teal:       #4ECDC4;
  --gold:       #F5C542;
  --coral:      #E8837C;
  --purple:     #7C4DFF;
  --text:       #E8ECEF;
  --text-mute:  #A0A8BC;
  --border:     rgba(160, 168, 188, 0.15);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg-primary);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-feature-settings: "tnum" 1, "ss01" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body { position: relative; }

/* ─── PROGRESS BAR ─── */
.progress-bar {
  position: fixed; top: 0; left: 0; right: 0;
  height: 3px; background: rgba(255,255,255,0.05);
  z-index: 100;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--teal), var(--gold), var(--coral));
  width: 0%;
  transition: width 350ms ease-in-out;
}

/* ─── BACK LINK + COUNTER ─── */
.back-link {
  position: fixed; top: 18px; left: 24px; z-index: 50;
  font-size: 13px; font-weight: 600;
  color: var(--text-mute); text-decoration: none;
  letter-spacing: 0.02em; padding: 6px 10px; border-radius: 6px;
  transition: color 200ms, background 200ms;
}
.back-link:hover { color: var(--teal); background: rgba(78,205,196,0.08); }

.slide-counter {
  position: fixed; top: 18px; right: 24px; z-index: 50;
  font-size: 13px; font-weight: 600; color: var(--text-mute);
  letter-spacing: 0.04em;
  font-feature-settings: "tnum" 1;
}
.slide-counter span { color: var(--text); }

/* ─── FULLSCREEN TOGGLE ─── */
.fs-toggle {
  position: fixed; top: 14px; right: 80px; z-index: 60;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 10px;
  font: inherit; font-size: 12px; font-weight: 600;
  color: var(--text-mute);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border); border-radius: 6px;
  cursor: pointer; letter-spacing: 0.04em;
  transition: color 200ms, border-color 200ms, background 200ms;
}
.fs-toggle:hover { color: var(--teal); border-color: var(--teal); background: rgba(78,205,196,0.08); }
.fs-toggle .fs-icon { display: block; }
.fs-toggle .fs-icon--exit { display: none; }
body.is-fullscreen .fs-toggle .fs-icon--enter { display: none; }
body.is-fullscreen .fs-toggle .fs-icon--exit { display: block; }
body.is-fullscreen .fs-toggle .fs-toggle-label::before { content: 'Exit '; }
body.is-fullscreen .fs-toggle .fs-toggle-label { font-size: 0; }
body.is-fullscreen .fs-toggle .fs-toggle-label::before { font-size: 12px; }

/* Fullscreen mode: hide distracting chrome, give slides safe stage margins */
body.is-fullscreen .back-link { display: none; }
body.is-fullscreen .slide-counter {
  top: 14px; right: 24px;
  opacity: 0.55;
  font-size: 12px;
}
body.is-fullscreen .fs-toggle {
  opacity: 0.45;
  transition: opacity 220ms;
}
body.is-fullscreen .fs-toggle:hover,
body.is-fullscreen .fs-toggle:focus { opacity: 1; }
body.is-fullscreen .dive-deeper {
  opacity: 0.35;
  transition: opacity 220ms;
}
body.is-fullscreen .dive-deeper:hover { opacity: 1; }
body.is-fullscreen .nav-hint { display: none; }

@media (max-width: 768px) {
  .fs-toggle { display: none; } /* mobile relies on browser fullscreen */
}

.nav-hint {
  position: fixed; bottom: 14px; left: 50%; transform: translateX(-50%);
  font-size: 11px; color: var(--text-mute); opacity: 0.5;
  z-index: 40; letter-spacing: 0.06em;
  pointer-events: none;
}

/* ─── CLICK ZONES ─── */
/* Click-zones stop 80px from the bottom so Dive deeper + nav-hint stay clickable */
.click-zone {
  position: fixed; top: 0; bottom: 80px; z-index: 30;
  cursor: pointer;
}
.click-zone--prev { left: 0; width: 33.333vw; }
.click-zone--next { right: 0; width: 66.666vw; }

/* ─── DIVE DEEPER ─── */
.dive-deeper {
  position: absolute; bottom: 36px; right: 36px; z-index: 50;
  font-size: 12px; font-weight: 600;
  color: var(--text-mute); text-decoration: none;
  letter-spacing: 0.04em; padding: 6px 10px;
  border: 1px solid var(--border); border-radius: 6px;
  transition: color 200ms, border-color 200ms, background 200ms;
}
.dive-deeper:hover {
  color: var(--teal); border-color: var(--teal);
  background: rgba(78,205,196,0.06);
}

/* ─── DECK ─── */
.deck {
  position: relative; width: 100vw; height: 100vh;
}
.slide {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: opacity 350ms ease-in-out;
  padding: 64px 72px;
}
.slide.is-active { opacity: 1; visibility: visible; z-index: 10; }

.slide-inner {
  width: 100%; max-width: 1400px;
  display: flex; flex-direction: column;
  align-items: flex-start;
}

/* ─── TYPOGRAPHY ─── */
.slide-eyebrow {
  font-size: 12px; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--teal); margin-bottom: 14px;
}
.slide-headline {
  font-size: clamp(38px, 4.6vw, 64px);
  font-weight: 800; letter-spacing: -0.02em;
  color: var(--text); line-height: 1.05;
  margin-bottom: 14px; max-width: 1100px;
}
.slide-headline--xl { font-size: clamp(56px, 6vw, 96px); }
.slide-sub {
  font-size: clamp(15px, 1.2vw, 19px);
  font-weight: 400; line-height: 1.55;
  color: var(--text-mute); max-width: 920px;
  margin-bottom: 28px;
}
.slide-sub strong { color: var(--gold); font-weight: 700; }

.slide-source {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-mute);
  opacity: 0.7;
  margin-top: 14px;
  letter-spacing: 0.02em;
}
.slide-source a { color: var(--text-mute); text-decoration: underline; text-underline-offset: 2px; }
.slide-source a:hover { color: var(--teal); }

.inline-chart-title {
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-mute); margin-bottom: 8px;
}

/* ============ SLIDE 1 — OpenClaw house ============ */
/* ============ SLIDE 1 — Cinematic opener ============ */
.slide[data-slide="2"] {
  /* Subtle radial sky gradient — implies the void around the house */
  background:
    radial-gradient(ellipse at 50% 30%, rgba(78, 205, 196, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 50% 80%, rgba(232, 131, 124, 0.05) 0%, transparent 50%);
}
.slide-1 { align-items: center; text-align: center; position: relative; }
.house-svg {
  width: min(960px, 92%);
  height: auto;
  margin-bottom: 28px;
  filter: drop-shadow(0 6px 18px rgba(0,0,0,0.25));
}
.house-icon {
  opacity: 0;
  transform-origin: center;
  cursor: default;
}
.house-icon.is-revealed { opacity: 1; }
.house-icon .icon-bg { transition: stroke-width 200ms ease; }
.house-icon:hover .icon-bg { stroke-width: 3; }

/* Twinkle: each star pulses gently on its own rhythm */
.sky-star { transform-origin: center; }
.sky-star {
  animation: sky-twinkle 3.5s ease-in-out infinite;
}
.sky-star:nth-child(2n) { animation-duration: 4.2s; animation-delay: 0.4s; }
.sky-star:nth-child(3n) { animation-duration: 5.1s; animation-delay: 1.1s; }
.sky-star:nth-child(5n) { animation-duration: 3.8s; animation-delay: 1.7s; }
@keyframes sky-twinkle {
  0%, 100% { opacity: 0.85; }
  50%      { opacity: 0.32; }
}

/* Title block sits below the SVG with a soft drop-in */
.opener-words {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.opener-headline {
  letter-spacing: -0.02em;
  background: linear-gradient(180deg, #FFFFFF 0%, #C8CCD4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.opener-eyebrow {
  letter-spacing: 0.18em;
  color: var(--teal);
  text-transform: uppercase;
  font-weight: 600;
}

/* ============ SLIDE 2 / 13 — Cycles ============ */
.cycles-svg {
  width: 100%; max-width: 1100px; height: auto;
  margin-top: 24px;
}
.cycle-curve {
  stroke-dasharray: 2000;
  stroke-dashoffset: 2000;
}
.cycle-curve.is-drawn { stroke-dashoffset: 0; transition: stroke-dashoffset 1400ms ease-out; }

/* ============ SLIDE 2 — Tech Cycles redesign (price-drop ladder + software arc) ============ */
.slide--tc { align-items: flex-start; padding-top: 46px; }
.slide--tc .slide-inner { max-width: 1240px; }
.slide--tc .slide-headline { font-size: clamp(32px, 3.6vw, 52px); margin-bottom: 8px; }
.slide--tc .slide-sub { margin-bottom: 28px; max-width: 880px; }
.tc-bright { color: var(--teal); font-weight: 700; }

/* ─── Part A: Price-drop ladder ─── */
.tc-ladder {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-bottom: 26px;
}
.tc-chip {
  position: relative;
  display: flex; flex-direction: column; align-items: center;
  gap: 4px;
  padding: 14px 10px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: linear-gradient(160deg, rgba(56,62,82,0.55), rgba(56,62,82,0.25));
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 500ms ease, transform 500ms ease, border-color 400ms ease, box-shadow 400ms ease, background 400ms ease;
}
.tc-ladder.is-built .tc-chip { opacity: 1; transform: none; }
.tc-chip-era   { color: #E8ECEF; font-weight: 800; font-size: 17px; letter-spacing: 0.02em; }
.tc-chip-year  { color: var(--text-mute); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; }
.tc-chip-arrow { color: var(--text-mute); font-size: 14px; line-height: 1; margin: 2px 0 2px; opacity: 0.7; }
.tc-chip-drop  { color: #C9CFDB; font-size: 12.5px; font-weight: 600; text-align: center; line-height: 1.35; }

.tc-chip--live {
  border-color: rgba(78,205,196,0.55);
  background: linear-gradient(160deg, rgba(78,205,196,0.20), rgba(78,205,196,0.05));
  box-shadow: 0 0 28px rgba(78,205,196,0.18);
}
.tc-chip--live .tc-chip-era   { color: var(--teal); }
.tc-chip--live .tc-chip-arrow { color: var(--teal); opacity: 1; }
.tc-chip--live .tc-chip-drop  { color: var(--gold); font-weight: 800; }

.tc-here {
  display: inline-block;
  margin-top: 6px;
  padding: 2px 8px;
  font-size: 9.5px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--gold); font-weight: 800;
  border: 1px solid rgba(245,197,66,0.4);
  border-radius: 999px;
  background: rgba(245,197,66,0.06);
}

/* ─── Part B: Software economics arc ─── */
.tc-arc {
  width: 100%;
  padding: 18px 22px 22px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(124,77,255,0.04), rgba(78,205,196,0.04));
  margin-bottom: 22px;
}
.tc-arc-label {
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-mute); font-weight: 700; text-align: center;
  margin-bottom: 14px;
}
.tc-arc-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 14px;
}
.tc-era {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 12px 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(45,49,66,0.45);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 600ms ease, transform 600ms ease, border-color 400ms ease, box-shadow 400ms ease;
}
.tc-arc.is-built .tc-era { opacity: 1; transform: none; }
.tc-era--live {
  border-color: rgba(78,205,196,0.55);
  background: linear-gradient(160deg, rgba(78,205,196,0.10), rgba(124,77,255,0.06));
  box-shadow: 0 0 24px rgba(78,205,196,0.14);
}
.tc-era-glyph {
  position: relative;
  width: 100%;
  height: 96px;
  display: flex; align-items: center; justify-content: center;
}
.tc-era-cap { display: flex; flex-direction: column; align-items: center; gap: 4px; text-align: center; }
.tc-era-title {
  font-size: 14px; font-weight: 800; letter-spacing: 0.04em;
  color: #E8ECEF;
}
.tc-era--live .tc-era-title { color: var(--teal); }
.tc-era-sub {
  font-size: 11.5px; color: var(--text-mute); line-height: 1.4;
  max-width: 240px;
}

/* Bespoke glyph: a few separate chunky nodes */
.tc-era-glyph--bespoke {
  gap: 14px;
}
.tc-era-glyph--bespoke .tc-node {
  width: 22px; height: 22px; border-radius: 5px;
  background: rgba(232,131,124,0.55);
  border: 1px solid rgba(232,131,124,0.75);
  box-shadow: 0 0 14px rgba(232,131,124,0.18);
}
.tc-era-glyph--bespoke .tc-node--big { width: 30px; height: 30px; }
.tc-era-glyph--bespoke .tc-node--mid { width: 26px; height: 26px; }

/* SaaS glyph: one block with many fan-out pips (one product, many customers) */
.tc-era-glyph--saas { position: relative; }
.tc-saas-block {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  width: 56px; height: 56px; border-radius: 10px;
  background: linear-gradient(160deg, rgba(245,197,66,0.55), rgba(245,197,66,0.25));
  border: 1px solid rgba(245,197,66,0.7);
  box-shadow: 0 0 18px rgba(245,197,66,0.18);
}
.tc-saas-fan {
  position: absolute; right: 14px;
  width: 12px; height: 12px; border-radius: 50%;
  background: rgba(245,197,66,0.42);
  border: 1px solid rgba(245,197,66,0.7);
}
.tc-arc.is-built .tc-era-glyph--saas::before {
  content: '';
  position: absolute; left: 70px; right: 26px; top: 50%;
  height: 1px;
  background: linear-gradient(90deg, rgba(245,197,66,0.55), rgba(245,197,66,0.05));
  transform: translateY(-50%);
}
.tc-saas-fan--1 { top: 8%;  }
.tc-saas-fan--2 { top: 25%; }
.tc-saas-fan--3 { top: 42%; }
.tc-saas-fan--4 { top: 60%; }
.tc-saas-fan--5 { top: 78%; }

/* AI glyph: one teal core with many small custom orbiting nodes */
.tc-era-glyph--ai { position: relative; }
.tc-ai-core {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: 36px; height: 36px; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(78,205,196,0.95), rgba(78,205,196,0.4));
  box-shadow: 0 0 24px rgba(78,205,196,0.5), inset 0 0 12px rgba(255,255,255,0.18);
  border: 1px solid rgba(78,205,196,0.85);
}
.tc-ai-orbit {
  position: absolute;
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(78,205,196,0.55);
  border: 1px solid rgba(78,205,196,0.85);
  box-shadow: 0 0 8px rgba(78,205,196,0.3);
  opacity: 0;
  transition: opacity 500ms ease;
}
.tc-arc.is-lit .tc-ai-orbit { opacity: 1; }
.tc-ai-orbit--1 { left: 12%; top: 20%; }
.tc-ai-orbit--2 { left: 30%; top: 8%;  width: 8px; height: 8px; }
.tc-ai-orbit--3 { right: 18%; top: 14%; }
.tc-ai-orbit--4 { right: 8%;  top: 50%; transform: translateY(-50%); width: 12px; height: 12px; }
.tc-ai-orbit--5 { right: 22%; bottom: 14%; }
.tc-ai-orbit--6 { left: 32%; bottom: 8%;  width: 8px; height: 8px; }
.tc-ai-orbit--7 { left: 10%; bottom: 28%; }

/* Connecting arrows between eras */
.tc-arc-arrow {
  display: flex; align-items: center; justify-content: center;
  width: 36px;
}
.tc-arc-arrow span {
  display: block;
  width: 0; height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 10px solid rgba(160,168,188,0.5);
}
.tc-era[data-era="2"] ~ .tc-arc-arrow span,
.tc-era--live + .tc-arc-arrow span { border-left-color: var(--teal); }

/* ─── Part C: Bridge ─── */
.tc-bridge {
  width: 100%;
  display: flex; align-items: center; justify-content: center; flex-wrap: wrap;
  gap: 12px;
  font-size: clamp(15px, 1.5vw, 19px);
  font-weight: 700;
}
.tc-bridge-line { color: var(--text); }
.tc-bridge-sep  { color: var(--text-mute); }
.tc-bridge-line--accent { color: var(--teal); }

/* Punchline below the bridge */
.tc-punchline {
  width: 100%;
  margin: 10px 0 0;
  display: flex; align-items: center; justify-content: center; flex-wrap: wrap;
  gap: 10px;
  font-size: clamp(11px, 1.05vw, 13px);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--text-mute);
}
.tc-punchline-sep { color: rgba(160,168,188,0.45); }
.tc-punchline-accent {
  color: var(--gold);
  text-shadow: 0 0 18px rgba(245,197,66,0.25);
}

/* ============ SHARED CHART WRAP ============ */
.chart-wrap {
  width: 100%; max-width: 1200px;
  background: var(--bg-card); border-radius: 12px;
  padding: 24px 28px; border: 1px solid var(--border);
}
.chart-wrap--stack { height: 480px; }
.chart-wrap--smarter { height: 460px; }
.chart-wrap--arpu { height: 220px; margin-top: 24px; }

/* ============ SLIDES 3 / 4 / 5 — Stack visual ============ */
.stack-viz {
  width: 100%;
  max-width: 760px;
  display: flex; flex-direction: column; gap: 10px;
  margin-top: 8px;
}
.stack-viz--small { max-width: 420px; flex: 0 1 420px; }

.stack-layer {
  --accent: #4ECDC4;
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "badge title value"
    "badge title label";
  align-items: center; column-gap: 18px; row-gap: 2px;
  padding: 14px 22px;
  border-radius: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  font-feature-settings: "tnum" 1;
}

.stack-badge {
  grid-area: badge;
  font-size: 10px; font-weight: 800;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent);
  min-width: 56px;
}
.stack-title {
  grid-area: title;
  font-size: 15px; font-weight: 700;
  color: var(--text); letter-spacing: 0.04em;
}
.stack-value {
  grid-area: value;
  font-size: 22px; font-weight: 800;
  color: var(--text);
  font-feature-settings: "tnum" 1;
  letter-spacing: -0.01em;
  text-align: right;
}
.stack-label {
  grid-area: label;
  font-size: 11px; font-weight: 500;
  color: var(--text-mute);
  letter-spacing: 0.04em;
  text-align: right;
}

/* Margin-lens variant: width is proportional to marginPct via --bar-width */
.stack-layer--margin {
  --bar-width: 0%;
  background: linear-gradient(
    to right,
    color-mix(in srgb, var(--accent) 22%, var(--bg-card)) 0%,
    color-mix(in srgb, var(--accent) 22%, var(--bg-card)) var(--bar-width),
    var(--bg-card) var(--bar-width),
    var(--bg-card) 100%
  );
  position: relative;
}
.stack-layer--margin::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: var(--bar-width);
  background: var(--accent);
  opacity: 0.18;
  pointer-events: none;
  border-radius: 4px 0 0 4px;
  transition: width 80ms linear;
}

/* Side-by-side comparison layout for slide 4 */
.stack-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  width: 100%;
}
.stack-compare-col {
  display: flex; flex-direction: column; gap: 10px;
}
.stack-col-head {
  font-size: 11px; font-weight: 800;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 4px;
}

/* Slide 5 — Forces layout */
.forces-layout {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  width: 100%;
  margin-top: 8px;
}
.force-side {
  display: flex; align-items: center; gap: 12px;
}
.force-side--down { flex-direction: row; }
.force-side--up   { flex-direction: row-reverse; }

.force-arrow {
  width: 56px; height: 360px;
  flex-shrink: 0;
}
.force-side-label {
  display: flex; flex-direction: column; gap: 4px;
  max-width: 160px;
}
.force-side-title {
  font-size: 13px; font-weight: 800;
  letter-spacing: 0.14em;
}
.force-side-sub {
  font-size: 11px; font-weight: 500;
  color: var(--text-mute); line-height: 1.4;
}
.force-side-label--coral .force-side-title { color: var(--coral); }
.force-side-label--teal  .force-side-title { color: var(--teal); }

.forces-keystat {
  display: flex; flex-wrap: wrap; gap: 6px 14px;
  align-items: baseline; margin-top: 24px;
  padding: 14px 18px;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
}
.keystat-num {
  font-size: 22px; font-weight: 800; color: var(--text);
  font-feature-settings: "tnum" 1;
}
.keystat-num--accent { color: var(--coral); }
.keystat-tag {
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--text-mute);
}
.keystat-sep { color: var(--text-mute); opacity: 0.5; }

/* ════════════ SLIDE 3 — UNIFIED STACK (3 internal states) ════════════
   One slide, three lenses on the same 5-layer stack. Header / footer
   crossfade between states; the central stack morphs in place.
   ──────────────────────────────────────────────────────────────────── */

.slide--stack-unified .slide-inner {
  display: flex; flex-direction: column;
  align-items: center; justify-content: flex-start;
  gap: 18px; padding-top: 38px;
}

/* ── HEADER stack (3 versions overlap, fade between) ── */
.su-header {
  position: relative;
  width: 100%; max-width: 1080px;
  min-height: 132px;
  text-align: center;
}
.su-header-state {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; gap: 8px; align-items: center;
  opacity: 0; transform: translateY(8px);
  transition: opacity 380ms ease-out, transform 380ms ease-out;
  pointer-events: none;
}
.su-header-state.is-active {
  opacity: 1; transform: translateY(0);
  pointer-events: auto;
}
.su-header-state .slide-eyebrow {
  font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--text-mute);
  font-weight: 800;
}
.su-header-state .slide-headline {
  font-size: clamp(34px, 4.6vw, 60px);
  font-weight: 800; letter-spacing: -0.025em;
  margin: 0; line-height: 1.05;
  color: var(--text);
}
.su-header-state .slide-sub {
  max-width: 920px;
  font-size: clamp(13px, 1.3vw, 16px);
  color: var(--text-mute);
  margin: 0;
  line-height: 1.5;
}
.hl-accent {
  background-clip: text; -webkit-background-clip: text;
  color: transparent; -webkit-text-fill-color: transparent;
}
.hl-accent--teal  { background-image: linear-gradient(120deg, #4ECDC4 0%, #A8F2EC 100%); }
.hl-accent--gold  { background-image: linear-gradient(120deg, #F5C542 0%, #FFE6A8 100%); }
.hl-accent--coral { background-image: linear-gradient(120deg, #E8837C 0%, #FFB4AC 100%); }

/* ── STAGE: rails flank the central stack ── */
.su-stage {
  position: relative;
  display: grid;
  grid-template-columns: 0fr 1fr 0fr;
  gap: 0;
  width: 100%; max-width: 1080px;
  align-items: center;
  transition: grid-template-columns 480ms cubic-bezier(0.6, 0.0, 0.2, 1.0), gap 480ms cubic-bezier(0.6,0,0.2,1);
}
/* In state C (forces), expand the rails so they're visible */
.su-stage[data-state="2"] {
  grid-template-columns: 200px 1fr 200px;
  gap: 28px;
}

.su-rail {
  display: flex; align-items: center; gap: 12px;
  opacity: 0;
  transform: translateX(0);
  pointer-events: none;
  overflow: hidden;
  transition: opacity 360ms ease-out 80ms;
  min-width: 0;
}
.su-rail--left  { flex-direction: row; transform: translateX(-12px); }
.su-rail--right { flex-direction: row-reverse; transform: translateX(12px); }
.su-stage[data-state="2"] .su-rail {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 480ms ease-out 240ms, transform 600ms ease-out 240ms;
}
.su-rail .force-arrow { width: 44px; height: 280px; flex-shrink: 0; }
.su-rail .force-side-label { display: flex; flex-direction: column; gap: 4px; max-width: 150px; }
.su-rail .force-side-title { font-size: 12px; font-weight: 800; letter-spacing: 0.14em; }
.su-rail .force-side-sub   { font-size: 11px; color: var(--text-mute); line-height: 1.4; }
.su-rail .force-path { opacity: 0; }

/* ── CENTER STACK ── */
.su-stack {
  width: 100%; max-width: 760px;
  margin: 0 auto;
  display: flex; flex-direction: column; gap: 10px;
  transition: max-width 480ms cubic-bezier(0.6,0,0.2,1), transform 480ms cubic-bezier(0.6,0,0.2,1);
}
.su-stage[data-state="2"] .su-stack {
  max-width: 540px;
  transform: scale(0.96);
}

.su-stack .stack-layer {
  position: relative;
  overflow: hidden;
  transition: border-left-color 380ms ease-out, background 380ms ease-out, transform 380ms ease-out;
}
.su-stack .stack-layer .stack-margin-bar {
  --bar-width: 0%;
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: var(--bar-width);
  background: linear-gradient(90deg,
    color-mix(in srgb, var(--accent) 32%, transparent) 0%,
    color-mix(in srgb, var(--accent) 12%, transparent) 100%);
  pointer-events: none;
  z-index: 0;
  transition: background 380ms ease-out;
}
.su-stack .stack-layer .stack-margin-bar::after {
  content: '';
  position: absolute; right: 0; top: 0; bottom: 0;
  width: 2px;
  background: var(--accent);
  opacity: 0.55;
  box-shadow: 0 0 12px var(--accent);
}
.su-stack .stack-layer.stack-layer--margin .stack-margin-bar { display: block; }
.su-stack .stack-layer .stack-badge,
.su-stack .stack-layer .stack-title,
.su-stack .stack-layer .stack-value,
.su-stack .stack-layer .stack-label { position: relative; z-index: 1; }
.su-stack .stack-layer.stack-layer--force {
  /* tighter padding when in force-state to make room for the side rails */
  padding: 11px 18px;
}

/* ── FOOTER stat strip ── */
.su-foot {
  position: relative;
  width: 100%; max-width: 1080px;
  min-height: 64px;
  display: flex; align-items: center; justify-content: center;
}
.su-foot-state {
  position: absolute; inset: 0;
  display: flex; flex-wrap: wrap; align-items: baseline;
  justify-content: center; gap: 6px 18px;
  padding: 14px 22px;
  border-radius: 10px;
  background: var(--bg-card); border: 1px solid var(--border);
  opacity: 0; transform: translateY(6px);
  transition: opacity 320ms ease-out, transform 320ms ease-out;
  pointer-events: none;
}
.su-foot-state.is-active {
  opacity: 1; transform: translateY(0);
  pointer-events: auto;
}
.su-stat { display: inline-flex; align-items: baseline; gap: 8px; }
.su-stat-num {
  font-size: 22px; font-weight: 800; color: var(--text);
  font-feature-settings: "tnum" 1;
  letter-spacing: -0.01em;
}
.su-stat-num--accent { color: var(--coral); }
.su-stat-num--teal   { color: var(--teal); }
.su-stat-num--coral  { color: var(--coral); }
.su-stat-tag {
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--text-mute);
}
.su-stat-sep { color: var(--text-mute); opacity: 0.4; font-size: 14px; }

/* Mobile-only inline hint — hidden on desktop */
.su-mobile-hint { display: none; }

/* ── PIPS (state indicator + clickable) ── */
.su-pips {
  display: flex; gap: 10px;
  align-items: center; justify-content: center;
  /* Take pips out of the slide stacking context so they sit above .click-zone (z:30) */
  position: fixed;
  left: 50%; bottom: 26px;
  transform: translateX(-50%);
  z-index: 45;
  /* Hidden until the unified slide is active (rule below) */
  opacity: 0;
  pointer-events: none;
  transition: opacity 280ms ease-out;
}
.slide--stack-unified.is-active ~ .su-pips,
.slide.is-active.slide--stack-unified .su-pips {
  opacity: 1; pointer-events: auto;
}
/* Since pips live INSIDE the slide, the rule must apply when the slide is active */
.slide.slide--stack-unified.is-active .su-pips { opacity: 1; pointer-events: auto; }
.su-pip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  font-family: inherit;
  color: var(--text-mute);
  transition: all 260ms ease-out;
  outline: none;
}
.su-pip:hover { color: var(--text); border-color: rgba(78,205,196,0.6); }
.su-pip:focus-visible { box-shadow: 0 0 0 2px rgba(78,205,196,0.4); }
.su-pip-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 18px;
  border-radius: 50%;
  font-size: 10px; font-weight: 800;
  background: rgba(160,168,188,0.15);
  color: var(--text-mute);
  letter-spacing: 0;
}
.su-pip-label {
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.10em; text-transform: uppercase;
}
.su-pip.is-active {
  color: var(--text);
  border-color: var(--teal);
  background: linear-gradient(180deg, rgba(78,205,196,0.10), rgba(78,205,196,0.02));
  box-shadow: 0 0 0 1px rgba(78,205,196,0.25), 0 8px 24px -12px rgba(78,205,196,0.6);
}
.su-pip.is-active .su-pip-num {
  background: var(--teal);
  color: #0F1320;
}

@media (max-width: 900px) {
  .su-stage { grid-template-columns: 1fr !important; gap: 16px !important; }
  .su-stage[data-state="2"] { grid-template-columns: 1fr !important; }
  .su-rail { flex-direction: row !important; justify-content: center; max-width: 100%; }
  .su-rail .force-arrow { height: 80px; width: 40px; transform: rotate(-90deg); }
  .su-stack { max-width: 100% !important; transform: none !important; }
  .su-header-state .slide-headline { font-size: clamp(26px, 7vw, 36px); }
  .su-foot-state { font-size: 12px; padding: 10px 14px; }
  .su-pip-label { font-size: 10px; }
}

/* ============ SLIDE 5 — Industrial layers ============ */
.industrial-stack {
  width: 100%; max-width: 720px;
  display: flex; flex-direction: column; gap: 12px;
  margin: 8px 0 24px;
}
.industrial-layer {
  display: flex; align-items: center; gap: 18px;
  padding: 14px 20px; border-radius: 10px;
  background: var(--bg-card); border: 1px solid var(--border);
  opacity: 0; transform: translateY(20px);
}
.industrial-layer.is-revealed {
  opacity: 1; transform: translateY(0);
  transition: opacity 600ms ease-out, transform 600ms ease-out;
}
.ind-svg { width: 110px; height: 36px; flex-shrink: 0; }
.ind-label {
  font-size: 13px; font-weight: 600; color: var(--text);
  letter-spacing: 0.04em;
}
.industrial-layer--1 { border-left: 3px solid #FFFFFF; }
.industrial-layer--2 { border-left: 3px solid var(--teal); }
.industrial-layer--3 { border-left: 3px solid var(--gold); }
.industrial-layer--4 { border-left: 3px solid var(--coral); }

.capex-callout {
  display: flex; align-items: baseline; gap: 18px;
  padding: 18px 24px; border-radius: 12px;
  background: rgba(232, 131, 124, 0.08);
  border: 1px solid rgba(232, 131, 124, 0.3);
  margin-top: 8px;
}
.capex-pair { display: flex; flex-direction: column; gap: 2px; }
.capex-year {
  font-size: 11px; color: var(--text-mute);
  text-transform: uppercase; letter-spacing: 0.12em; font-weight: 600;
}
.capex-num {
  font-size: 32px; font-weight: 800; color: var(--text);
  font-feature-settings: "tnum" 1;
}
.capex-num--big {
  font-size: 56px; color: var(--coral);
  letter-spacing: -0.02em;
}
.capex-arrow { font-size: 28px; color: var(--text-mute); }
.capex-tag {
  margin-left: auto; font-size: 12px; color: var(--text-mute);
  letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600;
}

/* ============ SLIDE 6 — Spoons split ============ */
.spoons-split {
  width: 100%; display: flex; gap: 24px; margin-top: 12px;
}
.spoons-left {
  flex: 0 0 40%;
  display: flex; flex-direction: column; gap: 12px;
}
.spoons-right {
  flex: 1;
  display: flex; flex-direction: column; gap: 12px;
}
.spoons-pill {
  align-self: flex-start;
  font-size: 11px; font-weight: 700; letter-spacing: 0.16em;
  color: var(--text-mute);
  background: var(--bg-card); padding: 6px 12px; border-radius: 4px;
  border: 1px solid var(--border);
}
.spoons-pill--teal {
  color: var(--teal); border-color: var(--teal);
  background: rgba(78,205,196,0.06);
}
.spoons-caption {
  font-size: 12px; color: var(--text-mute);
  letter-spacing: 0.04em;
}
.saas-mock {
  background: var(--bg-card); border-radius: 8px;
  border: 1px solid var(--border); padding: 0;
  height: 280px; overflow: hidden;
  animation: saasPulse 3s ease-in-out infinite;
}
@keyframes saasPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(78,205,196,0); }
  50%      { box-shadow: 0 0 0 4px rgba(78,205,196,0.06); }
}
.saas-mock-header {
  display: flex; gap: 6px; padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.saas-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-mute); opacity: 0.4; }
.saas-mock-body { padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.saas-row { height: 12px; border-radius: 4px; background: var(--bg-card-2); }
.saas-row--1 { width: 70%; }
.saas-row--2 { width: 50%; }
.saas-row--3 { width: 60%; }
.saas-bars {
  display: flex; gap: 6px; align-items: flex-end;
  height: 120px; margin-top: 14px;
}
.saas-bar { flex: 1; background: var(--teal); border-radius: 2px 2px 0 0; opacity: 0.7; }
.factory-svg {
  width: 100%; height: 320px;
  background: var(--bg-card); border-radius: 8px;
  border: 1px solid var(--border);
}
.conveyor-line {
  stroke-dasharray: 8 6;
  animation: conveyorMove 2s linear infinite;
}
@keyframes conveyorMove {
  to { stroke-dashoffset: -28; }
}
.spoon { animation: spoonDrift 4s ease-in-out infinite; }
.spoon:nth-child(odd) { animation-delay: -1.2s; }
@keyframes spoonDrift {
  0%, 100% { transform: translate(var(--x, 0), 0); }
  50%      { transform: translate(0, -3px); }
}

/* ============ SLIDE 7 — Two forces ============ */
.two-forces-grid {
  display: grid; grid-template-columns: 0.7fr 0.6fr 1fr;
  gap: 32px; align-items: center; width: 100%;
}
.mini-stack {
  display: flex; flex-direction: column; gap: 6px;
  padding: 14px; border-radius: 8px;
  background: var(--bg-card); border: 1px solid var(--border);
}
.mini-stack-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 6px 10px; border-radius: 4px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.04em;
}
.mini-stack-row--teal  { background: rgba(78,205,196,0.10); color: var(--teal); }
.mini-stack-row--coral { background: rgba(232,131,124,0.10); color: var(--coral); }
.mini-stack-row--mid   { background: rgba(160,168,188,0.08); color: var(--text); }

.forces-arrows {
  display: flex; gap: 24px; justify-content: center;
}
.force {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.force-arrow { width: 44px; height: 160px; }
.force-label {
  font-size: 11px; font-weight: 800;
  letter-spacing: 0.14em; text-align: center;
  writing-mode: horizontal-tb;
}
.force-label--coral { color: var(--coral); }
.force-label--teal  { color: var(--teal); }

.inference-chart-wrap {
  background: var(--bg-card); border-radius: 8px;
  border: 1px solid var(--border); padding: 16px 18px;
  height: 280px;
}

/* ============ SLIDE 8 — Funnel ============ */
.funnel-wrap {
  width: 100%; display: flex; justify-content: center;
  /* Hard-cap height so the MODELS row label doesn't fall below the viewport. */
  max-height: 64vh;
}
.funnel-svg {
  width: 100%; max-width: 1100px; height: 100%; max-height: 64vh;
  /* preserve aspect ratio inside the cap */
  display: block;
}
.funnel-dot {
  fill: var(--text-mute); opacity: 0.6;
}
.app-pill {
  fill: var(--bg-card); stroke: var(--border); stroke-width: 1;
}
.app-pill--dvc {
  stroke: var(--teal); stroke-width: 1.5;
  filter: drop-shadow(0 0 8px rgba(78,205,196,0.4));
}
.app-pill-text {
  fill: var(--text); font-size: 13px; font-weight: 700;
  font-family: 'Inter', sans-serif; text-anchor: middle;
}
.app-pill-val {
  fill: var(--text-mute); font-size: 11px; font-weight: 600;
  font-family: 'Inter', sans-serif; text-anchor: middle;
  font-feature-settings: "tnum" 1;
}
.model-logo-text {
  fill: var(--text-mute); font-size: 12px; font-weight: 600;
  font-family: 'Inter', sans-serif; text-anchor: middle;
  letter-spacing: 0.04em;
}

/* ============ SLIDE 9 — Cluster ============ */
.cluster-stage {
  position: relative; width: 100%; height: 540px;
}
.cluster-stage svg { width: 100%; height: 100%; }
.cluster-label {
  position: absolute; bottom: 16px;
  font-size: 11px; font-weight: 800;
  letter-spacing: 0.14em; text-transform: uppercase;
  opacity: 0; transition: opacity 500ms ease-out;
}
.cluster-label.is-revealed { opacity: 1; }
.cluster-label--left   { left: 8%;  color: var(--coral); }
.cluster-label--center { left: 50%; transform: translateX(-50%); color: var(--gold); }
.cluster-label--right  { right: 8%; color: var(--text-mute); }

.cluster-circle { transition: opacity 400ms ease-out; }
.cluster-circle-text {
  fill: var(--text); font-size: 11px; font-weight: 600;
  font-family: 'Inter', sans-serif; text-anchor: middle;
  pointer-events: none;
}
.cluster-circle--deprecated .circle-shape {
  opacity: 0.3;
}
.lane-title { font-family: 'Inter', sans-serif; font-size: 18px; font-weight: 800; letter-spacing: 0.18em; }
.lane-sub   { font-family: 'Inter', sans-serif; font-size: 12px; font-weight: 500; letter-spacing: 0.05em; }
.cluster-chip-text { font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 600; fill: #E8E9ED; pointer-events: none; }
.cluster-chip { transition: opacity 400ms ease-out; }
.cluster-chip--deprecated text {
  text-decoration: line-through;
  fill: var(--text-mute);
}

/* ============ SLIDE 10 — Smarter chart ============ */
/* uses .chart-wrap--smarter */

/* ============ SLIDE 11 — Physical AI map ============ */
.physical-grid {
  display: grid; grid-template-columns: 1.6fr 1fr;
  gap: 24px; width: 100%; align-items: center;
}
.world-map {
  width: 100%; height: auto;
  background: var(--bg-card); border-radius: 12px;
  border: 1px solid var(--border); padding: 18px;
}
.map-pin { opacity: 0; transform-origin: center; }
.map-pin.is-active {
  opacity: 1;
  animation: pinPulse 2.4s ease-in-out infinite;
}
@keyframes pinPulse {
  0%, 100% { transform-box: fill-box; }
  50%      { filter: brightness(1.3); }
}
.route { stroke-dasharray: 4 4; opacity: 0; }
.route.is-active { opacity: 0.6; animation: dashFlow 1.2s linear infinite; }
@keyframes dashFlow { to { stroke-dashoffset: -16; } }

.physical-stats {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.phys-stat {
  display: flex; flex-direction: column; gap: 4px;
  padding: 18px; border-radius: 10px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-left: 3px solid var(--teal);
}
.phys-stat:nth-child(2) { border-left-color: var(--gold); }
.phys-stat:nth-child(3) { border-left-color: var(--coral); }
.phys-stat:nth-child(4) { border-left-color: var(--purple); }
.phys-stat-num {
  font-size: 28px; font-weight: 800; color: var(--text);
  letter-spacing: -0.01em; font-feature-settings: "tnum" 1;
}
.phys-stat-label {
  font-size: 11px; color: var(--text-mute);
  letter-spacing: 0.06em; text-transform: uppercase; font-weight: 600;
}

/* ============ SLIDE 12 — Pricing icons + ARPU ============ */
.pricing-row {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 14px; width: 100%; max-width: 1100px;
  margin-bottom: 4px;
}
.pricing-icon {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  padding: 22px 12px; border-radius: 10px;
  background: var(--bg-card); border: 1px solid var(--border);
  position: relative;
}
.pricing-glyph {
  font-size: 30px; line-height: 1; color: var(--text-mute);
  font-weight: 800;
}
.pricing-label {
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.10em; color: var(--text-mute);
  text-transform: uppercase; text-align: center;
}
.pricing-icon--cracked::after {
  content: ''; position: absolute; inset: 12px;
  background-image: linear-gradient(115deg, transparent 48%, rgba(232,131,124,0.5) 48%, rgba(232,131,124,0.5) 52%, transparent 52%);
  pointer-events: none;
}
.pricing-icon--cracked .pricing-glyph,
.pricing-icon--cracked .pricing-label {
  opacity: 0.55;
}
.pricing-icon--glow {
  border-color: var(--teal);
  background: rgba(78,205,196,0.06);
  box-shadow: 0 0 0 0 rgba(78,205,196,0);
  animation: glowPulse 2.8s ease-in-out infinite;
}
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(78,205,196,0.0); }
  50%      { box-shadow: 0 0 0 6px rgba(78,205,196,0.12); }
}
.pricing-icon--glow .pricing-glyph { color: var(--teal); }
.pricing-label--teal { color: var(--teal); opacity: 1; }

/* ============ SLIDE 13 — Close ============ */
.cycles-svg--close .yah-pulse {
  animation: yahPulse 1.6s ease-in-out infinite;
  transform-origin: center;
  transform-box: fill-box;
}
.cycles-svg--close .yah-pulse-2 {
  animation: yahPulse 1.6s ease-in-out infinite 0.3s;
  transform-origin: center;
  transform-box: fill-box;
}
@keyframes yahPulse {
  0%   { opacity: 1; transform: scale(0.6); }
  100% { opacity: 0; transform: scale(1.6); }
}

/* ============ IFRAME-BASED SLIDES (6, 10, 14) ============ */
.slide-iframe-layout {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto 1fr;
  gap: 18px;
  align-items: stretch;
  height: 100%;
}
.slide-iframe-layout .slide-text {
  display: flex; flex-direction: column;
  gap: 4px;
}
.slide-iframe-layout .slide-text .slide-headline {
  font-size: clamp(28px, 3.4vw, 46px);
  margin-bottom: 8px;
}
.slide-iframe-layout .slide-text .slide-sub {
  font-size: clamp(13px, 1vw, 16px);
  margin-bottom: 12px;
}
.slide-iframe-layout--full .slide-text--compact {
  margin-bottom: 0;
}
.slide-iframe-container {
  position: relative;
  width: 100%;
  height: 58vh;
  max-height: 640px;
  border-radius: 12px;
  border: 1px solid var(--border);
  overflow: hidden;
  background: var(--bg-card);
}
.slide-iframe-container--tall { height: 64vh; max-height: 720px; }
.slide-iframe-container--medium { height: 44vh; max-height: 460px; }

/* Iframe fallback — appears only if the embed cannot load (404, JSON, etc).
   Replaces any raw "{"detail":"Not Found"}" with a polished card. */
.iframe-fallback {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  gap: 12px; padding: 32px;
  background: linear-gradient(135deg, rgba(78,205,196,0.06), rgba(124,77,255,0.06));
  text-align: center;
}
.iframe-fallback-eyebrow {
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--teal); font-weight: 700;
}
.iframe-fallback-title {
  font-size: 22px; font-weight: 700; color: var(--text);
  text-transform: capitalize;
}
.iframe-fallback-link {
  font-size: 14px; color: var(--gold); text-decoration: none; font-weight: 600;
  border: 1px solid rgba(245,197,66,0.35); padding: 8px 16px; border-radius: 999px;
}
.iframe-fallback-link:hover { background: rgba(245,197,66,0.08); }

/* Business Models slide (10) — top-anchor so empty top space is gone */
.slide[data-slide="11"] { align-items: flex-start; padding-top: 60px; }
.slide[data-slide="11"] .slide-inner { gap: 12px; }

/* Attack angles slide (12) — top-anchor + slimmer headline since the cards carry the visual weight */
.slide[data-slide="13"] { align-items: flex-start; padding-top: 40px; padding-bottom: 60px; }
.slide[data-slide="13"] .slide-inner { gap: 12px; }
.slide[data-slide="13"] .slide-headline { font-size: clamp(26px, 3vw, 40px); margin-bottom: 4px; }
.slide[data-slide="13"] .slide-sub { margin-bottom: 8px; font-size: clamp(13px, 1vw, 15px); }
.slide[data-slide="13"] .iframe-headline { margin-bottom: 6px; }

/* Physical AI (13) — centered vertically; tiles + strip share the slide.
   Close slide (14) — top-anchored because Key Learnings cards need top space. */
.slide[data-slide="14"] { align-items: center; padding-top: 64px; padding-bottom: 80px; }
.slide[data-slide="15"] { align-items: flex-start; padding-top: 40px; }
.slide[data-slide="14"] .slide-headline,
.slide[data-slide="15"] .slide-headline { font-size: clamp(34px, 3.8vw, 52px); margin-bottom: 8px; }
.slide[data-slide="14"] .slide-sub,
.slide[data-slide="15"] .slide-sub { margin-bottom: 14px; }
.slide[data-slide="14"] .slide-inner { gap: 18px; }
.slide[data-slide="14"] .phys-tiles { margin-top: 22px; margin-bottom: 26px; }
.slide[data-slide="14"] .phys-stats-strip { max-width: 1100px; }
.slide[data-slide="15"] .slide-iframe-container--tall { height: 66vh; }

/* Business Models slide (10) — pricing-row stays compact above the live ARPU iframe */
.pricing-row--compact { margin: 4px 0 8px; gap: 0.55rem; }
.pricing-row--compact .pricing-icon { transform: scale(0.78); }
.pricing-row--compact .pricing-glyph { font-size: 1.3rem; }
.slide-iframe {
  width: 100%; height: 100%; border: 0;
  background: transparent; display: block;
  pointer-events: auto;
}

/* iframe text-row stat callout (slide 6) */
.iframe-stat-row {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 10px 14px; border-radius: 10px;
  background: rgba(232, 131, 124, 0.06);
  border: 1px solid rgba(232, 131, 124, 0.22);
  margin-bottom: 10px;
}
.iframe-stat { display: flex; flex-direction: column; gap: 2px; }
.iframe-stat-num {
  font-size: 18px; font-weight: 800; color: var(--text);
  font-feature-settings: "tnum" 1; letter-spacing: -0.01em;
}
.iframe-stat--big .iframe-stat-num { font-size: 28px; color: var(--coral); }
.iframe-stat-label {
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-mute);
}
.iframe-stat-arrow { color: var(--text-mute); font-size: 22px; opacity: 0.7; }

/* ============ SLIDE 10 — KPI CARDS ============ */
.kpi-row {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 14px; width: 100%; max-width: 720px;
  margin-bottom: 12px;
}
.kpi-card {
  display: flex; flex-direction: column; gap: 6px;
  padding: 14px 18px; border-radius: 10px;
  background: var(--bg-card); border: 1px solid var(--border);
}
.kpi-num {
  font-size: 30px; font-weight: 800; letter-spacing: -0.02em;
  font-feature-settings: "tnum" 1;
}
.kpi-num--teal  { color: var(--teal); }
.kpi-num--gold  { color: var(--gold); }
.kpi-num--coral { color: var(--coral); }
.kpi-label {
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-mute);
}

/* ============ SLIDE 11 — VIBE CODING CARDS ============ */
.vibe-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  width: 100%;
  max-width: 1200px;
  margin-top: 8px;
}
.vibe-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px 18px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  align-items: center;
  position: relative;
}
.vibe-card--dvc {
  border-color: var(--teal);
  background: rgba(78,205,196,0.06);
  box-shadow: 0 0 0 1px rgba(78,205,196,0.18);
}
.vibe-logo {
  --logo-color: var(--teal);
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  background: var(--logo-color);
  color: #1a1d2a;
  font-size: 22px; font-weight: 900;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  box-shadow: 0 4px 12px -4px var(--logo-color);
}
.vibe-body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.vibe-head { display: flex; align-items: center; gap: 8px; }
.vibe-name {
  font-size: 16px; font-weight: 800; color: var(--text);
  letter-spacing: -0.01em;
}
.vibe-dvc {
  font-size: 9px; font-weight: 800; letter-spacing: 0.14em;
  color: var(--teal); padding: 2px 6px; border-radius: 3px;
  border: 1px solid var(--teal); background: rgba(78,205,196,0.10);
}
.vibe-stat {
  font-size: 14px; font-weight: 700; color: var(--gold);
  font-feature-settings: "tnum" 1;
}
.vibe-desc {
  font-size: 12px; font-weight: 500; color: var(--text-mute);
  line-height: 1.4;
}

/* ============ SLIDE 12 — PHYSICAL AI (REBUILT) ============ */
.slide-12 { align-items: flex-start; }
.phys-tiles {
  display: grid;
  grid-template-columns: repeat(3, minmax(240px, 280px));
  gap: 22px;
  width: 100%;
  justify-content: center;
  margin-top: 14px;
  margin-bottom: 22px;
}
.phys-tile {
  --tile-color: var(--teal);
  display: flex; flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-top: 3px solid var(--tile-color);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}
.phys-tile--dvc {
  box-shadow: 0 0 0 1px rgba(78,205,196,0.20);
}
.phys-tile-cat {
  padding: 10px 14px 6px;
  font-size: 10px; font-weight: 800;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--tile-color);
}
.phys-tile-svg {
  width: 100%; height: 110px;
  background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.12) 100%);
}
.phys-tile-svg .phys-road {
  stroke-dasharray: 10 8;
  animation: physRoadFlow 1.6s linear infinite;
}
@keyframes physRoadFlow { to { stroke-dashoffset: -36; } }
.phys-tile-svg .phys-arc {
  animation: physArcFlow 1.4s linear infinite;
}
@keyframes physArcFlow { to { stroke-dashoffset: -16; } }
.phys-tile-svg .phys-ping {
  animation: physPing 1.6s ease-in-out infinite;
  transform-origin: center;
  transform-box: fill-box;
}
@keyframes physPing {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(1.25); }
}
.phys-tile-caption {
  display: flex; flex-direction: column; gap: 3px;
  padding: 10px 14px 14px;
  border-top: 1px solid var(--border);
}
.phys-tile-company {
  font-size: 13px; font-weight: 800; color: var(--text);
  letter-spacing: 0.04em;
}
.phys-tile-detail {
  font-size: 11px; font-weight: 500; color: var(--text-mute);
  line-height: 1.4;
}

.phys-stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  width: 100%;
  max-width: 1100px;
}
.phys-strip-card {
  --strip-color: var(--teal);
  display: flex; flex-direction: column; gap: 4px;
  padding: 14px 18px; border-radius: 10px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-left: 3px solid var(--strip-color);
}
.phys-strip-num {
  font-size: 24px; font-weight: 800; color: var(--text);
  letter-spacing: -0.01em; font-feature-settings: "tnum" 1;
}
.phys-strip-label {
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--text-mute);
}

/* ─── RESPONSIVE / MOBILE FALLBACK ─── */
@media (max-width: 1100px) {
  .slide { padding: 56px 48px; }
  .slide-headline { font-size: clamp(32px, 5vw, 50px); }
}

@media (max-width: 768px) {
  /* mobile: vertical scroll mode */
  html, body { overflow: auto; height: auto; }
  .deck { height: auto; }
  .slide {
    position: relative; inset: auto;
    opacity: 1 !important; visibility: visible !important;
    min-height: 100vh; padding: 80px 24px 80px;
    border-bottom: 1px solid var(--border);
  }
  .progress-bar, .click-zone, .nav-hint { display: none; }

  /* ── Mobile stack slide (slide 3) — pips become inline, tappable ── */
  .slide--stack-unified .su-pips {
    position: relative;
    left: auto; bottom: auto; transform: none;
    opacity: 1 !important;
    pointer-events: auto !important;
    margin: 18px auto 0;
    flex-wrap: wrap;
    gap: 8px;
    width: 100%;
    max-width: 360px;
  }
  .slide--stack-unified .su-pip {
    /* Bigger tap targets on mobile */
    padding: 12px 16px;
    min-height: 44px;
    flex: 1 1 100px;
    justify-content: center;
  }
  .slide--stack-unified .su-pip-label { font-size: 11px; }
  /* Mobile state hint */
  .slide--stack-unified .su-mobile-hint {
    display: block;
    text-align: center;
    font-size: 11px;
    color: var(--text-mute);
    margin-top: 10px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    opacity: 0.65;
  }
  /* Preserve header/footer state crossfade visibility on mobile.
     The default rule uses opacity:0 + pointer-events:none for inactive states,
     which already works because state changes toggle .is-active. Keep as-is. */
  .slide-counter { font-size: 11px; }
  .slide-headline { font-size: clamp(28px, 7vw, 40px); }
  .slide-headline--xl { font-size: clamp(36px, 8vw, 52px); }
  .slide-sub { font-size: 14px; }
  .chart-wrap--stack { height: 380px; padding: 16px; }
  .chart-wrap--smarter { height: 360px; padding: 16px; }
  .spoons-split { flex-direction: column; }
  .spoons-left { flex: none; }
  .two-forces-grid { grid-template-columns: 1fr; gap: 20px; }
  .forces-arrows { flex-direction: row; }
  .force-arrow { width: 36px; height: 100px; }
  .physical-grid { grid-template-columns: 1fr; }
  .pricing-row { grid-template-columns: repeat(2, 1fr); }
  .vibe-grid { grid-template-columns: 1fr; }
  .phys-tiles { grid-template-columns: 1fr; }
  .phys-stats-strip { grid-template-columns: repeat(2, 1fr); }
  .kpi-row { grid-template-columns: 1fr; }
  .slide-iframe-container { height: 50vh; }
  .iframe-stat-row { gap: 8px; }
  .iframe-stat--big .iframe-stat-num { font-size: 22px; }
  .industrial-stack { max-width: 100%; }
  .stack-compare { grid-template-columns: 1fr; gap: 24px; }
  .forces-layout { grid-template-columns: 1fr; gap: 16px; }
  .force-arrow { width: 44px; height: 220px; }
  .stack-viz--small { max-width: 100%; }
  .stack-value { font-size: 18px; }
  .stack-title { font-size: 13px; }
  .keystat-num { font-size: 18px; }
  .capex-callout { flex-wrap: wrap; gap: 12px; }
  .capex-num--big { font-size: 40px; }
  .dive-deeper { bottom: 18px; right: 18px; font-size: 10px; }

  /* ── Mobile: Tech Cycles slide ── */
  .slide--tc { padding-top: 40px; }
  .slide--tc .slide-headline { font-size: 24px; line-height: 1.2; }
  .slide--tc .slide-sub { font-size: 12.5px; margin-bottom: 16px; }

  .tc-ladder {
    grid-template-columns: repeat(5, 1fr);
    gap: 4px;
    margin-bottom: 18px;
  }
  .tc-chip { padding: 8px 4px 10px; gap: 2px; border-radius: 8px; }
  .tc-chip-era   { font-size: 11px; }
  .tc-chip-year  { font-size: 8px; letter-spacing: 0.06em; }
  .tc-chip-arrow { font-size: 10px; margin: 1px 0; }
  .tc-chip-drop  { font-size: 8.5px; line-height: 1.25; }
  .tc-here { font-size: 7.5px; padding: 1px 5px; letter-spacing: 0.10em; margin-top: 3px; }

  .tc-arc { padding: 12px 10px 14px; margin-bottom: 14px; }
  .tc-arc-label { font-size: 9px; letter-spacing: 0.10em; margin-bottom: 8px; }
  .tc-arc-row {
    grid-template-columns: 1fr 18px 1fr 18px 1fr;
    gap: 4px;
  }
  .tc-era { padding: 6px 4px 8px; gap: 6px; }
  .tc-era-glyph { height: 56px; }
  .tc-era-title { font-size: 11px; letter-spacing: 0.02em; }
  .tc-era-sub { font-size: 9px; line-height: 1.3; max-width: 100%; }
  .tc-era-glyph--bespoke { gap: 6px; }
  .tc-era-glyph--bespoke .tc-node { width: 12px; height: 12px; }
  .tc-era-glyph--bespoke .tc-node--big { width: 16px; height: 16px; }
  .tc-era-glyph--bespoke .tc-node--mid { width: 14px; height: 14px; }
  .tc-saas-block { left: 6px; width: 28px; height: 28px; border-radius: 6px; }
  .tc-saas-fan { right: 6px; width: 6px; height: 6px; }
  .tc-arc.is-built .tc-era-glyph--saas::before { left: 36px; right: 14px; }
  .tc-ai-core { width: 20px; height: 20px; }
  .tc-ai-orbit { width: 6px; height: 6px; }
  .tc-ai-orbit--2, .tc-ai-orbit--6 { width: 5px; height: 5px; }
  .tc-ai-orbit--4 { width: 7px; height: 7px; }
  .tc-arc-arrow { width: 18px; }
  .tc-arc-arrow span { border-top-width: 4px; border-bottom-width: 4px; border-left-width: 6px; }

  .tc-bridge { font-size: 12px; gap: 8px; flex-direction: column; }
  .tc-bridge-sep { display: none; }
  .tc-punchline { font-size: 9.5px; gap: 6px; letter-spacing: 0.12em; }
  .tc-punchline-sep { display: none; }
}

/* ============ SLIDE 14 — Key Learnings ============ */
.slide-keylearn {
  display: flex; flex-direction: column;
  align-items: flex-start; width: 100%;
  max-width: 1200px;
}
.slide-keylearn .slide-headline { margin-bottom: 8px; }
.slide-keylearn .slide-sub { margin-bottom: 22px; }

.kl-grid {
  list-style: none; padding: 0; margin: 0 0 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  width: 100%;
}
.kl-card {
  position: relative;
  background: rgba(160, 168, 188, 0.04);
  border: 1px solid rgba(160, 168, 188, 0.16);
  border-radius: 14px;
  padding: 18px 18px 16px;
  display: flex; flex-direction: column; gap: 8px;
  transition: transform 200ms ease, border-color 200ms ease, background 200ms ease;
}
.kl-card::before {
  content: ''; position: absolute; left: 0; top: 14px; bottom: 14px;
  width: 3px; border-radius: 0 3px 3px 0;
  background: var(--kl-accent, #4ECDC4);
  opacity: 0.9;
}
.kl-card:hover {
  transform: translateY(-2px);
  border-color: rgba(160, 168, 188, 0.32);
  background: rgba(160, 168, 188, 0.07);
}
.kl-card--teal   { --kl-accent: #4ECDC4; }
.kl-card--coral  { --kl-accent: #E8837C; }
.kl-card--gold   { --kl-accent: #F5C542; }
.kl-card--purple { --kl-accent: #7C4DFF; }

.kl-num {
  font-size: 11px; font-weight: 800; letter-spacing: 0.16em;
  color: var(--kl-accent, #4ECDC4);
  font-feature-settings: "tnum" 1;
}
.kl-title {
  font-size: clamp(15px, 1.25vw, 19px);
  font-weight: 700; color: var(--text);
  letter-spacing: -0.01em; line-height: 1.25;
  margin: 0;
}
.kl-body {
  font-size: clamp(12px, 0.95vw, 14px);
  line-height: 1.55; color: var(--text-mute);
  margin: 0;
}
.kl-body strong { color: var(--text); font-weight: 700; }

.kl-kicker {
  width: 100%;
  font-size: clamp(13px, 1.05vw, 17px);
  font-weight: 600; line-height: 1.45;
  color: var(--text);
  border-top: 1px solid rgba(160, 168, 188, 0.16);
  padding-top: 14px;
  letter-spacing: -0.005em;
}

@media (max-width: 980px) {
  .kl-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
}
@media (max-width: 640px) {
  .slide-keylearn .slide-sub { margin-bottom: 16px; }
  .kl-grid { grid-template-columns: 1fr; gap: 10px; }
  .kl-card { padding: 14px 14px 12px; border-radius: 12px; }
  .kl-card::before { top: 10px; bottom: 10px; }
  .kl-title { font-size: 15px; }
  .kl-body  { font-size: 12.5px; }
  .kl-kicker { font-size: 13px; padding-top: 12px; }
}

/* ============ SLIDE 1 — COVER (DVC squares) ============ */
.slide--cover { padding: 0; align-items: stretch; justify-content: stretch; }
.slide--cover .cover-inner {
  width: 100%; max-width: none;
  position: relative;
  height: 100%;
  display: block;
  padding: 0;
  margin: 0;
  align-items: stretch;
}

/* DVC squares — 6-block grid echoing index.html hero */
.cover-blocks {
  position: absolute; inset: 0;
  display: grid;
  grid-template-columns: 55% 45%;
  grid-template-rows: 55% 30% 15%;
  z-index: 0;
}
.cover-block { position: relative; }
.cover-block--white  { background: #FFFFFF; }
.cover-block--teal   { background: #4ECDC4; }
.cover-block--salmon { background: #E8837C; }
.cover-block--gold   { background: #F5C542; }
.cover-block--navy   { background: #2D3142; }
.cover-block--blue   { background: #4A90D9; }

.cover-wordmark {
  /* Sits in the white block, top-right corner — clear of the slideshow's
     back-link and slide-counter at the screen corners. */
  position: absolute;
  top: 26px;
  left: calc(55% - 220px);
  font-size: 12px; font-weight: 500; line-height: 1.35;
  color: #555B6E;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-align: right;
  z-index: 1;
}

/* Foreground content — sits over the upper-left white block.
   Top padding is generous to clear the wordmark in the corner. */
.cover-content {
  position: absolute;
  z-index: 2;
  left: 0; top: 0;
  width: 55%; height: 55%;
  display: flex; flex-direction: column;
  justify-content: center; align-items: flex-start;
  text-align: left;
  padding: 72px 56px 28px;
  gap: 10px;
}
.cover-eyebrow {
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: #555B6E;
  margin: 0 0 6px;
}
.cover-title {
  font-size: clamp(40px, 6.4vw, 84px);
  font-weight: 900; letter-spacing: -0.02em;
  color: #1A1A2E;
  line-height: 0.95;
  margin: 0 0 4px;
  text-shadow: 0 1px 2px rgba(0,0,0,0.06);
}
.cover-subtitle {
  font-size: clamp(15px, 1.5vw, 19px);
  font-weight: 600; color: #2D3142;
  letter-spacing: 0.005em;
  margin: 0;
}
.cover-tagline {
  font-size: clamp(12px, 1vw, 14px);
  font-weight: 400; color: #555B6E;
  line-height: 1.55;
  max-width: 460px;
  margin: 6px 0 16px;
}

/* QR row — sits in the lower portion of the white block */
.cover-qr-row {
  display: flex; align-items: center; gap: 18px;
  margin-top: 4px;
}
.cover-qr-frame {
  width: 220px; height: 220px;
  background: #FFFFFF;
  border: 1px solid rgba(45,49,66,0.18);
  border-radius: 14px;
  padding: 12px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.12);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.cover-qr-svg { width: 100%; height: 100%; display: block; }
.cover-qr-meta {
  display: flex; flex-direction: column; gap: 4px;
  min-width: 0;
}
.cover-qr-label {
  font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: #555B6E;
}
.cover-qr-url {
  font-size: clamp(15px, 1.45vw, 19px);
  font-weight: 700;
  color: #1A1A2E;
  text-decoration: none;
  letter-spacing: -0.005em;
  border-bottom: 1.5px solid rgba(78,205,196,0.55);
  padding-bottom: 1px;
  align-self: flex-start;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.cover-qr-url:hover { color: #2D6E68; border-bottom-color: #4ECDC4; }
.cover-qr-hint {
  font-size: 11px; color: #6B718A;
  letter-spacing: 0.04em;
}

.cover-footer {
  position: absolute;
  z-index: 2;
  right: 24px; bottom: 18px;
  font-size: 11px; color: rgba(255,255,255,0.78);
  letter-spacing: 0.06em;
}
.cover-footer kbd {
  display: inline-block;
  padding: 1px 6px;
  border: 1px solid rgba(255,255,255,0.45);
  border-radius: 4px;
  font-family: inherit;
  font-size: 11px;
  margin: 0 2px;
}

/* Cover dive-deeper override — sit over teal block, light text */
.slide--cover .dive-deeper {
  color: #1A1A2E;
  background: rgba(255,255,255,0.78);
  border-color: rgba(26,26,46,0.25);
}
.slide--cover .dive-deeper:hover {
  background: #FFFFFF; color: #1A1A2E;
}

/* Mobile / portrait: stack content above blocks, single column */
@media (max-width: 768px) {
  /* Override the global mobile slide padding so the cover's blocks fill edge-to-edge.
     The global rule sets padding: 80px 24px 80px on .slide on mobile; the cover has
     its own internal padding via .cover-content. */
  .slide.slide--cover {
    padding: 0;
    min-height: 100vh;
    border-bottom: 0;
  }
  .slide--cover .cover-inner {
    width: 100%;
    min-height: 100vh;
    position: relative;
  }
  /* Three-row layout: top wordmark band (white), main content (white), accent stripe band */
  .cover-blocks {
    grid-template-columns: 50% 50%;
    grid-template-rows: 1fr 60px;
  }
  .cover-block--white  { grid-column: 1 / -1; grid-row: 1 / 2; }
  .cover-block--teal   { grid-column: 1 / 2; grid-row: 2 / 3; }
  .cover-block--gold   { grid-column: 2 / 3; grid-row: 2 / 3; }
  .cover-block--salmon,
  .cover-block--navy,
  .cover-block--blue   { display: none; }
  /* On mobile, place the wordmark below the back-link area to avoid overlap. */
  .cover-wordmark { top: auto; bottom: 76px; left: 24px; right: auto; text-align: left; font-size: 11px; }
  .cover-content {
    position: relative;
    width: 100%; height: auto;
    top: auto; left: auto;
    padding: 84px 24px 96px;
    justify-content: flex-start; align-items: flex-start;
    gap: 8px;
    z-index: 2;
  }
  .cover-eyebrow { font-size: 10.5px; }
  .cover-title { font-size: clamp(36px, 11vw, 56px); line-height: 0.96; }
  .cover-subtitle { font-size: 15px; }
  .cover-tagline { font-size: 13px; max-width: 100%; margin: 6px 0 18px; line-height: 1.5; }
  .cover-qr-row { gap: 16px; align-items: center; flex-wrap: nowrap; }
  .cover-qr-frame { width: 180px; height: 180px; padding: 10px; border-radius: 12px; }
  .cover-qr-url { font-size: 16px; }
  .cover-qr-hint { font-size: 11px; }
  .cover-footer { display: none; }
  .slide--cover .dive-deeper { display: none; }
}

@media (max-width: 420px) {
  .cover-content { padding: 72px 20px 80px; }
  .cover-qr-frame { width: 160px; height: 160px; padding: 9px; }
  .cover-qr-row { gap: 14px; }
  .cover-tagline { display: none; }
  .cover-title { font-size: clamp(32px, 12vw, 46px); }
}