/* Round 4 visual layer. Themes restyle the page and the three.js hero via --cc-* hexes. */

html[data-theme="holographic"] {
  --cc-bg: #07101f;
  --cc-surface: #121a33;
  --cc-surface-2: #1a2550;
  --cc-text: #f3f7ff;
  --cc-muted: #c9d6ff;
  --cc-line: rgba(122, 240, 255, 0.45);
  --cc-accent-1: #7af0ff;
  --cc-accent-2: #c9a6ff;
  --cc-accent-3: #ff8bd2;
  --cc-accent-4: #9dffb0;
  --cc-on-accent: #061018;
  --cc-danger: #ff9aa8;
  --cc-focus: #fff3a1;
  color-scheme: dark;
}
html[data-theme="neon"] {
  --cc-bg: #070112;
  --cc-surface: #14081f;
  --cc-surface-2: #241038;
  --cc-text: #f6fff4;
  --cc-muted: #d7ffc4;
  --cc-line: rgba(57, 255, 20, 0.45);
  --cc-accent-1: #39ff14;
  --cc-accent-2: #ff2bd6;
  --cc-accent-3: #00f0ff;
  --cc-accent-4: #ffe600;
  --cc-on-accent: #071208;
  --cc-danger: #ff8ad4;
  --cc-focus: #ffffff;
  color-scheme: dark;
}
html[data-theme="cyberpunk"] {
  --cc-bg: #140016;
  --cc-surface: #240024;
  --cc-surface-2: #3a0638;
  --cc-text: #fff6ea;
  --cc-muted: #ffd2ef;
  --cc-line: rgba(255, 0, 122, 0.5);
  --cc-accent-1: #ff007a;
  --cc-accent-2: #00f0ff;
  --cc-accent-3: #fcee0a;
  --cc-accent-4: #b388ff;
  --cc-on-accent: #1a0014;
  --cc-danger: #ffb4a2;
  --cc-focus: #fcee0a;
  color-scheme: dark;
}
html[data-theme="sunset"] {
  --cc-bg: #1b0c12;
  --cc-surface: #2c1420;
  --cc-surface-2: #402033;
  --cc-text: #fff4ea;
  --cc-muted: #ffd0c2;
  --cc-line: rgba(255, 107, 61, 0.5);
  --cc-accent-1: #ff6b3d;
  --cc-accent-2: #ffd166;
  --cc-accent-3: #ff4d8d;
  --cc-accent-4: #8b7cff;
  --cc-on-accent: #2a0d08;
  --cc-danger: #ffb4b4;
  --cc-focus: #fff1a8;
  color-scheme: dark;
}
html[data-theme="light"] {
  --cc-bg: #e7f3ff;
  --cc-surface: #ffffff;
  --cc-surface-2: #d7ecff;
  --cc-text: #10233b;
  --cc-muted: #24506e;
  --cc-line: #7eb6e8;
  --cc-accent-1: #0057ff;
  --cc-accent-2: #d1006f;
  --cc-accent-3: #0a8f78;
  --cc-accent-4: #ff6a00;
  --cc-on-accent: #ffffff;
  --cc-danger: #b42318;
  --cc-focus: #7a2bff;
  color-scheme: light;
}
html[data-theme="futuristic"] {
  --cc-bg: #071427;
  --cc-accent-1: #3de0ff;
  --cc-accent-2: #d16bff;
  --cc-accent-3: #ffc53d;
  --cc-accent-4: #3dffb0;
}

.site-head {
  z-index: 30;
  background: color-mix(in srgb, var(--cc-bg) 94%, #000 6%);
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}
.prime, .linkbar { flex-wrap: nowrap; overflow-x: auto; }
.swatches { margin-left: 0; flex: 0 0 auto; }
.swatches button {
  width: auto;
  height: auto;
  min-height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  color: #081018;
  font-weight: 700;
}
.swatch-label { position: static; width: auto; height: auto; overflow: visible; clip: auto; }
.swatches button[data-set-theme="holographic"] { background: linear-gradient(120deg, #7af0ff, #c9a6ff); }
.swatches button[data-set-theme="neon"] { background: linear-gradient(120deg, #39ff14, #ff2bd6); color: #081208; }
.swatches button[data-set-theme="cyberpunk"] { background: linear-gradient(120deg, #ff007a, #00f0ff); }
.swatches button[data-set-theme="sunset"] { background: linear-gradient(120deg, #ff6b3d, #ffd166); }
.swatches button[data-set-theme="light"] { background: linear-gradient(120deg, #ffffff, #8ec5ff); border-color: #0057ff; }
#theme-toggle, #lang {
  min-height: 36px;
  border-radius: 999px;
  border: 1px solid var(--cc-line);
  background: var(--cc-surface);
  color: var(--cc-text);
  padding: 0 10px;
}
#lang { max-width: 9.5rem; }

.mascot {
  position: fixed;
  right: 16px;
  bottom: 18px;
  z-index: 26;
  width: 84px;
  margin: 0;
  pointer-events: none;
  filter: drop-shadow(0 10px 16px rgba(0, 0, 0, 0.35));
}
.mascot-line {
  position: absolute;
  right: 78px;
  bottom: 8px;
  width: max-content;
  max-width: 12rem;
  margin: 0;
  padding: 6px 8px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--cc-surface) 88%, transparent);
  border: 1px solid var(--cc-line);
  color: var(--cc-text);
  font-size: 0.75rem;
}
.mascot .lid { transform-box: fill-box; transform-origin: center; animation: sip-blink 4.6s infinite; }
.mascot[data-pose="wave"] .arm-r { transform-origin: 68px 60px; animation: sip-wave 1.15s ease-in-out infinite; }
.mascot .look { display: none; }
.mascot[data-look="visor"] .look-visor,
.mascot[data-look="phones"] .look-phones,
.mascot[data-look="scarf"] .look-scarf { display: block; }
@keyframes sip-blink {
  0%, 88%, 100% { transform: scaleY(0.08); }
  94% { transform: scaleY(1); }
}
@keyframes sip-wave {
  0%, 100% { transform: rotate(8deg); }
  50% { transform: rotate(-28deg); }
}

body.is-home #view-title {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}
body.is-home .rail { display: none; }
body.is-home .layout { display: block; }
body.is-home main { max-width: none; padding-top: 0; padding-left: 0; padding-right: 0; }
.home-after { padding-inline: 22px; }

.hero-bleed {
  position: relative;
  width: 100%;
  max-width: 100%;
  margin-left: 0;
  margin-right: 0;
  height: 100dvh;
  min-height: 640px;
  overflow: hidden;
  background: radial-gradient(900px 480px at 70% 40%, color-mix(in srgb, var(--cc-accent-2) 28%, transparent), transparent 60%), var(--cc-bg);
}
.hero-canvas, .hero-fallback { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hero-glass {
  position: absolute;
  z-index: 2;
  inset-inline-start: max(20px, 4vw);
  bottom: 7vh;
  max-width: min(38rem, calc(100% - 120px));
  padding: 22px 22px 18px;
  border-radius: 22px;
  background: color-mix(in srgb, var(--cc-bg) 62%, transparent);
  border: 1px solid color-mix(in srgb, var(--cc-accent-1) 65%, transparent);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.28), inset 0 0 40px color-mix(in srgb, var(--cc-accent-2) 16%, transparent);
  backdrop-filter: blur(14px);
}
.hero-glass h2 {
  margin: 0 0 6px;
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  letter-spacing: -0.03em;
  background: linear-gradient(100deg, var(--cc-accent-1), var(--cc-accent-3), var(--cc-accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-kicker { margin: 0 0 8px; color: var(--cc-accent-3); font-family: var(--mono); letter-spacing: 0.14em; text-transform: uppercase; font-size: 0.78rem; }
.hero-glass .stat-row { gap: 8px; margin: 8px 0; flex-wrap: nowrap; overflow-x: auto; }
.hero-glass .stat { padding: 6px 8px; }
.hero-glass .stat b { font-size: 1.15rem; }
body.is-home { overflow-x: hidden; }
.ticker { display: flex; gap: 8px; margin: 10px 0; }
.ticker span {
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--cc-line);
  color: var(--cc-accent-1);
  font-family: var(--mono);
  animation: sip-tick 2.8s ease-in-out infinite;
}
.ticker span:nth-child(2) { animation-delay: 0.3s; }
.ticker span:nth-child(3) { animation-delay: 0.6s; }
.ticker span:nth-child(4) { animation-delay: 0.9s; }
@keyframes sip-tick { 50% { transform: translateY(-3px); color: var(--cc-accent-2); } }

.hero-fallback { perspective: 800px; }
.fb-grid {
  position: absolute;
  inset: auto  -20% -10% -20%;
  height: 55%;
  background:
    linear-gradient(color-mix(in srgb, var(--cc-accent-1) 55%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--cc-accent-2) 45%, transparent) 1px, transparent 1px);
  background-size: 48px 48px;
  transform: rotateX(68deg);
  mask-image: linear-gradient(transparent, #000 30%, #000);
}
.fb-globe {
  position: absolute;
  left: 58%;
  top: 28%;
  width: min(280px, 40vw);
  height: min(280px, 40vw);
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, color-mix(in srgb, var(--cc-accent-3) 70%, white), transparent 40%),
    repeating-linear-gradient(90deg, transparent 0 10px, color-mix(in srgb, var(--cc-accent-1) 70%, transparent) 10px 11px),
    radial-gradient(circle at 50% 50%, color-mix(in srgb, var(--cc-accent-2) 30%, transparent), var(--cc-bg));
  box-shadow: 0 0 40px var(--cc-accent-1), inset 0 0 30px var(--cc-accent-2);
}
.fb-ring {
  position: absolute;
  left: 52%;
  top: 24%;
  width: min(420px, 58vw);
  height: min(180px, 24vw);
  border: 2px solid var(--cc-accent-1);
  border-radius: 50%;
  box-shadow: 0 0 18px var(--cc-accent-1);
}
.fb-ring.r2 { transform: rotateX(60deg) rotateZ(18deg) scale(1.15); border-color: var(--cc-accent-2); }
.fb-ring.r3 { transform: rotateX(70deg) rotateZ(-24deg) scale(0.8); border-color: var(--cc-accent-3); }
.fb-node {
  position: absolute;
  left: 62%;
  top: 38%;
  padding: 6px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--cc-surface) 70%, transparent);
  border: 1px solid var(--cc-accent-3);
  color: var(--cc-text);
  font-weight: 700;
  transform: rotate(var(--a)) translateX(min(180px, 24vw)) rotate(calc(var(--a) * -1));
  box-shadow: 0 0 16px var(--cc-accent-2);
}
html[data-motion="full"] .fb-globe { animation: sip-spin 18s linear infinite; }
html[data-motion="full"] .fb-ring.r1 { animation: sip-spin 14s linear infinite; }
@keyframes sip-spin { to { transform: rotate(360deg); } }

.stat-row .stat, .card, .chart-card, .atlas-fig, .architect {
  position: relative;
  background: color-mix(in srgb, var(--cc-surface) 78%, transparent);
  border: 1px solid transparent;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(10px);
}
.card::before, .atlas-fig::before, .chart-card::before, .architect::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(120deg, var(--cc-accent-1), var(--cc-accent-2), var(--cc-accent-3), var(--cc-accent-4), var(--cc-accent-1));
  background-size: 280% 280%;
  animation: sip-border 8s linear infinite;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  pointer-events: none;
}
@keyframes sip-border { to { background-position: 280% 0; } }
.card { overflow: visible; transition: transform 0.25s ease, box-shadow 0.25s ease; }
.card:hover { transform: translateY(-8px); box-shadow: 0 22px 50px color-mix(in srgb, var(--cc-accent-1) 28%, transparent); }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.iso { display: block; width: min(100%, 280px); height: 240px; margin: 0 auto; transform: rotateX(8deg) rotateY(-16deg); transition: transform 0.35s ease; filter: drop-shadow(0 0 16px color-mix(in srgb, var(--cc-accent-1) 55%, transparent)); }
.home-after .card-grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.iso svg { width: 100%; height: 100%; }
.card:hover .iso { transform: rotateX(14deg) rotateY(10deg) translateY(-6px) scale(1.05); }
.ring { width: 64px; height: 64px; }
.ring-track { fill: none; stroke: var(--cc-line); stroke-width: 6; }
.ring-val { fill: none; stroke: var(--cc-accent-1); stroke-width: 6; stroke-linecap: round; transform: rotate(-90deg); transform-origin: 36px 36px; }
.ring text { fill: var(--cc-text); font-size: 14px; font-weight: 700; text-anchor: middle; }

body.is-stage .layout { grid-template-columns: 1fr; }
body.is-stage .rail { display: none; }
body.is-stage main { max-width: none; padding: 8px 16px 64px; }
.stage-flow { width: 100%; }
.stage-inline {
  display: grid;
  grid-template-columns: minmax(180px, 280px) minmax(0, 1.15fr) minmax(200px, 300px);
  gap: 14px;
  align-items: stretch;
  margin: 0 0 8px;
}
.stage-copy, .stage-calls {
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--cc-line);
  background: color-mix(in srgb, var(--cc-surface) 78%, transparent);
}
.stage-copy .lede { margin: 0; }
.stage-calls { overflow: auto; max-height: 340px; }
.stage-calls h2 { margin-top: 0; }
.stage-inline ol { margin: 8px 0 0; padding-left: 1.1rem; }
.stage-inline li { margin: 4px 0; }
.stage-flow .atlas-grid,
.stage-flow .chart-grid { width: 100%; grid-template-columns: 1fr; }
.side-live { width: 100%; height: 300px; display: block; border-radius: 16px; background: radial-gradient(circle at 50% 45%, color-mix(in srgb, var(--cc-accent-1) 35%, #070112), transparent 72%); }
.glyph-view { width: 100%; height: 100%; display: block; }
canvas.hero-canvas.is-fly {
  position: fixed;
  inset: 0;
  z-index: 70;
  width: 100vw;
  height: 100dvh;
  pointer-events: none;
}
.atlas-grid { grid-template-columns: 1fr; gap: 22px; }
.home-after .atlas-grid { grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); }
.atlas-fig { padding: 12px 12px 8px; border-radius: 18px; }
.atlas-fig .atlas-svg, .atlas-fig img.atlas-svg { width: 100%; height: auto; display: block; }
.split-main .chart-grid { grid-template-columns: 1fr; }
.atlas-svg circle { filter: drop-shadow(0 0 5px var(--cc-accent-3)); }
.d-label, .atlas-svg text { font-size: 18px; }
.d-sub { font-size: 16px; }
.fig-actions { display: flex; justify-content: flex-end; margin-top: 8px; }
.chart-grid { position: relative; grid-template-columns: repeat(auto-fit, minmax(520px, 1fr)); }
.chart-tip {
  position: absolute;
  z-index: 4;
  pointer-events: none;
  padding: 6px 8px;
  border-radius: 8px;
  background: var(--cc-surface);
  color: var(--cc-text);
  border: 1px solid var(--cc-accent-1);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}
.architect { margin: 22px 0; padding: 16px 18px; border-radius: 18px; }
.architect audio { width: min(100%, 520px); height: 54px; display: block; margin: 8px 0; }
.region-board { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.region-flag { font-size: 1.6rem; letter-spacing: 0.2em; }

#lightbox { width: min(1100px, 96vw); max-height: 92vh; border: 1px solid var(--cc-line); background: var(--cc-bg); color: var(--cc-text); }
#lightbox::backdrop { background: rgba(2, 4, 10, 0.72); }
#lightbox-stage svg, #lightbox-stage img { width: 100%; height: auto; }
.lightbox-bar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.hop { transition: opacity 0.2s linear; }

html[dir="rtl"] .hero-glass { text-align: right; }
html[dir="rtl"] .mascot { right: auto; left: 16px; }
html[dir="rtl"] .mascot-line { right: auto; left: 78px; }

.brand-icon { width: 18px; height: 18px; flex: 0 0 18px; display: block; }
.brand-link { gap: 6px; }
.study-nav { display: none; gap: 6px; overflow-x: auto; padding: 6px 10px 8px; }
.study-nav a {
  flex: 0 0 auto;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--cc-line);
  color: var(--cc-text);
  text-decoration: none;
  background: color-mix(in srgb, var(--cc-accent-1) 16%, var(--cc-surface));
  font-weight: 700;
}
.study-nav a[aria-current="page"] { outline: 2px solid var(--cc-focus); }
.menu-brands { display: flex; flex-direction: column; gap: 4px; }
.menu-brands .brand-link { justify-content: flex-start; }
.chart-svg { width: 100%; height: auto; display: block; }
@media (min-width: 701px) {
  .site-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "top" "prime" "links";
    align-items: center;
  }
  .topbar { grid-area: top; padding: 2px 10px 0; gap: 8px; min-height: 0; flex-wrap: nowrap; }
  .brand { min-height: 0; gap: 8px; }
  .brand small, #progress-pill, .top-actions [data-offline] { display: none; }
  .mark { width: 22px; height: 22px; }
  .search input, #lang, #theme-toggle, #open-settings {
    min-height: 28px;
    height: 28px;
    padding: 0 8px;
    font-size: 0.78rem;
  }
  .search input { width: min(240px, 24vw); }
  .prime { grid-area: prime; flex-wrap: wrap; min-width: 0; padding: 0 8px 2px; gap: 4px; overflow: visible; }
  .prime a { min-height: 26px; padding: 0 8px; font-size: 0.76rem; }
  .linkbar { grid-area: links; flex-wrap: wrap; min-width: 0; padding: 0 8px 2px; gap: 4px; justify-content: flex-start; overflow: visible; }
  .linkbar a, .swatches button { min-height: 24px; padding: 0 7px; font-size: 0.72rem; }
  h1, h2, section { scroll-margin-top: 96px; }
}
.menu-open { display: none; }
.rail-settings { width: 100%; margin-top: 12px; text-align: start; }
html { scroll-behavior: smooth; }
html[data-motion="reduce"] { scroll-behavior: auto; }
@media (prefers-reduced-motion: reduce) {
  html:not([data-motion="full"]) { scroll-behavior: auto; }
}
html[data-motion="full"] .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
html[data-motion="full"] .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html:not([data-motion="full"]) .reveal { opacity: 1; transform: none; transition: none; }
}
@media (max-width: 800px) {
  .hero-bleed { min-height: 100dvh; }
  .hero-glass { bottom: 88px; max-width: calc(100% - 88px); padding: 14px; }
  .hero-glass h2 { font-size: 1.8rem; }
  .mascot { width: 64px; bottom: 96px; }
  .home-after .atlas-grid, .chart-grid { grid-template-columns: 1fr; }
  .iso { width: min(100%, 220px); height: 200px; }
}
html[data-motion="reduce"] .card::before,
html[data-motion="reduce"] .atlas-fig::before,
html[data-motion="reduce"] .chart-card::before,
html[data-motion="reduce"] .architect::before,
html[data-motion="reduce"] .ticker span,
html[data-motion="reduce"] .mascot .lid,
html[data-motion="reduce"] .mascot .arm-r { animation: none; }
html[data-motion="reduce"] .card:hover { transform: none; }
@media (prefers-reduced-motion: reduce) {
  html:not([data-motion="full"]) *,
  html:not([data-motion="full"]) *::before,
  html:not([data-motion="full"]) *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 700px) {
  html, body { overflow-x: hidden; max-width: 100%; }
  .site-head {
    padding: env(safe-area-inset-top) 0 0;
    display: block;
  }
  .topbar {
    box-sizing: border-box;
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    max-height: 64px;
    min-height: 0;
    padding: 4px 10px;
    gap: 8px;
  }
  .brand { min-height: 0; min-width: 0; flex: 1 1 auto; gap: 8px; }
  .brand span:last-child { min-width: 0; }
  .brand strong {
    display: block;
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .brand small, .search, .top-actions, .prime, .linkbar, #progress-pill { display: none; }
  .study-nav { display: flex; }
  .mark { width: 28px; height: 28px; flex: 0 0 auto; box-shadow: none; }
  .menu-open {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex: 0 0 auto;
    min-width: 48px;
    min-height: 48px;
    height: 48px;
    padding: 0 14px;
    border-radius: 14px;
    font-weight: 700;
  }
  .burger {
    position: relative;
    width: 18px;
    height: 2px;
    background: currentColor;
    display: block;
  }
  .burger::before, .burger::after {
    content: "";
    position: absolute;
    left: 0;
    width: 18px;
    height: 2px;
    background: currentColor;
  }
  .burger::before { top: -6px; }
  .burger::after { top: 6px; }
  .layout { grid-template-columns: 1fr; }
  .rail { display: none; }
  .bottom {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    align-items: stretch;
    justify-content: space-around;
    gap: 4px;
    box-sizing: border-box;
    min-height: calc(56px + env(safe-area-inset-bottom));
    padding: 4px 6px calc(4px + env(safe-area-inset-bottom));
    background: color-mix(in srgb, var(--cc-bg) 94%, #000 6%);
    border-top: 1px solid var(--cc-line);
    backdrop-filter: blur(16px);
  }
  .bottom a, .bottom button {
    flex: 1 1 0;
    min-width: 48px;
    min-height: 48px;
    height: auto;
    padding: 4px 2px;
    border-radius: 12px;
    font-size: 0.72rem;
    font-weight: 700;
    line-height: 1.1;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    text-align: center;
  }
  main { padding: 12px 12px calc(88px + env(safe-area-inset-bottom)); }
  .site-foot { padding-bottom: calc(96px + env(safe-area-inset-bottom)); }
  h1, h2, section, #architect { scroll-margin-top: 72px; scroll-margin-bottom: 88px; }
  .hero-bleed { width: 100%; margin-left: 0; min-height: 100dvh; }
  .hero-glass {
    position: fixed;
    z-index: 5;
    inset-inline-start: 12px;
    inset-inline-end: 72px;
    bottom: calc(64px + env(safe-area-inset-bottom));
    max-width: none;
    max-height: calc(100dvh - 72px - 64px - env(safe-area-inset-top) - env(safe-area-inset-bottom));
    overflow: auto;
    padding: 12px;
  }
  .hero-glass h2 { font-size: 1.7rem; }
  .hero-glass .stat-row { flex-wrap: wrap; overflow: visible; }
  .mascot { width: 56px; bottom: calc(72px + env(safe-area-inset-bottom)); right: 8px; }
  .stage-inline { grid-template-columns: 1fr; }
  .side-live { height: 210px; }
  dialog#phone-menu[open] {
    position: fixed;
    inset: 0;
    width: 100%;
    max-width: none;
    height: 100%;
    max-height: none;
    margin: 0;
    border: 0;
    border-radius: 0;
    padding: calc(12px + env(safe-area-inset-top)) 16px calc(16px + env(safe-area-inset-bottom));
    background: var(--cc-bg);
    color: var(--cc-text);
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  dialog#phone-menu::backdrop { background: rgba(2, 4, 10, 0.78); }
  .phone-menu-bar, .phone-menu-tools { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
  .phone-menu-bar { justify-content: space-between; }
  .phone-menu-bar h2 { margin: 0; }
  .phone-menu-tools { align-items: stretch; }
  .phone-menu-tools .stack { flex: 1 1 100%; margin: 0; }
  #phone-menu select, #phone-menu button, #phone-menu a, #menu-settings, #phone-menu-close {
    min-height: 48px;
  }
  #phone-menu-close, #menu-settings { min-width: 48px; padding: 0 16px; }
  .menu-swatches { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; width: 100%; }
  .menu-swatches button {
    width: auto;
    height: auto;
    min-height: 48px;
    padding: 0 12px;
    border-radius: 999px;
    color: #081018;
    font-weight: 700;
  }
  #phone-menu-list { overflow: auto; display: flex; flex-direction: column; gap: 2px; flex: 1 1 auto; min-height: 0; }
  #phone-menu-list h2 {
    margin: 14px 0 4px;
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--cc-muted);
  }
  #phone-menu-list a {
    display: flex;
    align-items: center;
    min-height: 48px;
    padding: 0 12px;
    border-radius: 12px;
    color: var(--cc-text);
    text-decoration: none;
  }
  #phone-menu-list a[aria-current="page"] {
    background: var(--cc-surface);
    color: var(--cc-accent-1);
    box-shadow: inset 4px 0 0 var(--cc-accent-1);
  }
  #settings label, #settings button, #settings select { min-height: 48px; }
}

.sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}
.menu-ico {
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
  display: block;
  color: var(--cc-accent-1);
}
.menu-item {
  box-sizing: border-box;
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 44px;
  min-height: 44px;
  padding: 4px 10px;
  border-radius: 12px;
  border: 1px solid var(--cc-line);
  background: color-mix(in srgb, var(--cc-accent-1) 12%, var(--cc-surface));
  color: var(--cc-text);
  text-decoration: none;
  text-align: start;
  line-height: 1.15;
}
.prime a.menu-item,
.study-nav a.menu-item,
.rail a.menu-item,
.rail button.menu-item,
#phone-menu-list a.menu-item,
.bottom a.menu-item,
.bottom button.menu-item {
  min-width: 44px;
  min-height: 44px;
}
.menu-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 1px;
}
.menu-copy strong { font-size: 0.84rem; font-weight: 700; }
.menu-copy small {
  display: block;
  max-width: 32ch;
  color: var(--cc-muted);
  font-size: 0.72rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.menu-item[aria-current="page"] {
  background: color-mix(in srgb, var(--cc-accent-1) 28%, var(--cc-surface));
  color: var(--cc-accent-1);
  border-color: var(--cc-accent-1);
  box-shadow: inset 3px 0 0 var(--cc-accent-1);
}
.menu-search { margin: 0 0 10px; }
.menu-search-head {
  position: relative;
  flex: 1 1 220px;
  max-width: 320px;
  margin: 0;
}
#menu-results {
  position: absolute;
  z-index: 32;
  top: calc(100% + 6px);
  left: 0;
  width: min(320px, 80vw);
  max-height: 320px;
  overflow: auto;
  padding: 8px;
  border-radius: 12px;
  border: 1px solid var(--cc-line);
  background: var(--cc-bg);
  box-shadow: var(--shadow);
}
#menu-results[hidden] { display: none; }
#menu-results .menu-item { width: 100%; max-width: none; }
.menu-search input {
  width: 100%;
  box-sizing: border-box;
  min-height: 44px;
  padding: 0 12px;
}
.menu-empty { margin: 8px; color: var(--cc-muted); }
.rail .menu-item, #phone-menu-list .menu-item { width: 100%; }
.prime { gap: 6px; }
.prime .menu-item { flex: 1 1 200px; max-width: 280px; }
.study-nav { max-width: 100%; }
.study-nav .menu-item { flex: 0 0 auto; max-width: 240px; }
.bottom .menu-item {
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  padding: 4px 2px;
  border: 0;
  background: transparent;
  box-shadow: none;
}
.bottom .menu-copy { align-items: center; }
.bottom .menu-copy small { display: none; }
.bottom .menu-item[aria-current="page"] {
  background: color-mix(in srgb, var(--cc-accent-1) 22%, transparent);
  box-shadow: inset 0 -3px 0 var(--cc-accent-1);
}
.brand-link { min-height: 44px; min-width: 44px; box-sizing: border-box; }
.guide {
  position: fixed;
  z-index: 45;
  left: 16px;
  bottom: 16px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  width: min(380px, calc(100vw - 32px));
  pointer-events: none;
}
.guide > * { pointer-events: auto; }
#guide-open {
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
#guide-panel {
  width: 100%;
  max-height: min(70vh, 560px);
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid var(--cc-line);
  background: color-mix(in srgb, var(--cc-bg) 96%, #000);
  box-shadow: var(--shadow);
}
#guide-panel[hidden] { display: none; }
.guide-bar { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.guide-bar h2 { margin: 0; font-size: 1rem; }
#guide-close { min-height: 44px; min-width: 44px; }
#guide-log {
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 96px;
  max-height: 280px;
}
.guide-bubble {
  max-width: 92%;
  padding: 8px 10px;
  border-radius: 14px;
  border: 1px solid var(--cc-line);
  background: var(--cc-surface);
}
.guide-bubble.is-user {
  align-self: flex-end;
  background: color-mix(in srgb, var(--cc-accent-1) 24%, var(--cc-surface));
}
.guide-bubble.is-bot { align-self: flex-start; }
.guide-bubble p { margin: 0 0 6px; }
.guide-bubble p:last-child { margin: 0; }
.guide-dots { letter-spacing: 0.18em; }
@keyframes guide-blink {
  0% { opacity: 0.2; }
  50% { opacity: 1; }
  100% { opacity: 0.2; }
}
html:not([data-motion="reduce"]) .guide-bubble.is-typing .guide-dots {
  animation: guide-blink 1s ease-in-out infinite;
}
#guide-chips, .guide-choices { display: flex; flex-wrap: wrap; gap: 6px; }
.guide-choices { flex-direction: column; margin-top: 8px; }
#guide-chips button, .guide-choices button { min-height: 44px; }
#guide-form { display: flex; gap: 8px; align-items: center; }
#guide-form input {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 44px;
  padding: 0 12px;
  box-sizing: border-box;
}
@media (min-width: 701px) {
  .prime a.menu-item { min-height: 44px; padding: 4px 10px; font-size: inherit; }
  .linkbar a.brand-link, .linkbar .swatches button { min-height: 44px; }
  .guide { left: 296px; }
  h1, h2, section { scroll-margin-top: 220px; }
}
@media (max-width: 700px) {
  .guide { left: 8px; bottom: calc(72px + env(safe-area-inset-bottom)); }
  #guide-panel { max-height: min(58vh, 460px); }
  .bottom a.menu-item, .bottom button.menu-item {
    flex: 1 1 0;
    flex-direction: column;
    min-width: 44px;
    min-height: 48px;
    height: auto;
    padding: 4px 2px;
  }
  h1, h2, section, #architect { scroll-margin-top: 140px; }
}