/* ============================================================
   LitTopic — Home V3 interactive prototype
   Monochrome editorial system + one vermilion annotation.
   ============================================================ */

@font-face {
  font-family: "Instrument Serif";
  src: url("assets/fonts/instrument-serif.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Instrument Serif";
  src: url("assets/fonts/instrument-serif-italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Archivo";
  src: url("assets/fonts/archivo-var.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Plex Mono";
  src: url("assets/fonts/plex-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Noto Serif SC";
  src: url("assets/fonts/noto-serif-sc-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Noto Serif SC";
  src: url("assets/fonts/noto-serif-sc-600.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --ink: #0b0b0a;
  --ink-soft: #131311;
  --ink-lift: #1a1a17;
  --paper: #e9e4d8;
  --paper-2: #f4efe4;
  --paper-deep: #d9d2c3;
  --white: #f2eee3;
  --muted: #8e8a7f;
  --red: #e8472a;
  --red-deep: #b83a22;
  --red-bright: #e8472a;
  --line: rgba(242, 238, 227, 0.15);
  --line-strong: rgba(242, 238, 227, 0.32);
  --line-dark: rgba(11, 11, 10, 0.16);
  --line-dark-strong: rgba(11, 11, 10, 0.32);
  --gutter: clamp(22px, 4.8vw, 78px);
  --font-sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --font-cjk: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --font-mono: "Plex Mono", "SFMono-Regular", Consolas, monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-curtain: cubic-bezier(0.76, 0, 0.24, 1);
  --head-wash: rgba(11, 11, 10, 0.84);
  --head-fg: var(--white);
  --head-line: rgba(242, 238, 227, 0.22);
}

* { box-sizing: border-box; }
html {
  background: var(--ink);
  color: var(--white);
  font-synthesis: none;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-sans), var(--font-cjk);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.is-loading { overflow: hidden; }
::selection { background: var(--red); color: var(--white); }
a { color: inherit; text-decoration: none; }
button { margin: 0; padding: 0; border: 0; background: none; color: inherit; font: inherit; cursor: pointer; }
img, svg { display: block; max-width: 100%; }
p, h1, h2, h3, h4, blockquote, figure { margin: 0; }
em { font-style: italic; }
:focus-visible { outline: 1px solid var(--red); outline-offset: 4px; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 1000;
  padding: 12px 16px;
  background: var(--paper);
  color: var(--ink);
  font: 11px/1 var(--font-mono);
  transition: top 0.25s ease;
}
.skip-link:focus { top: 16px; }

/* ---------- shell / horizontal rail ---------- */
.rail {
  position: fixed;
  inset: 0;
  display: flex;
  width: 100%;
  height: 100svh;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior: none;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  cursor: grab;
}
.rail::-webkit-scrollbar { display: none; }
.rail.is-dragging { cursor: grabbing; user-select: none; }
.rail.is-smooth { scroll-behavior: auto; }

.pane {
  position: relative;
  flex: 0 0 auto;
  height: 100svh;
  overflow: hidden;
  isolation: isolate;
}
.hero { width: 100vw; background: var(--ink); }
.chapter { width: 100vw; background: var(--ink); color: var(--paper); }
.chapter--paper {
  background: var(--paper);
  color: var(--ink);
  --panel-bg: var(--paper);
  --line-c: var(--line-dark);
  --muted-c: rgba(11, 11, 10, 0.62);
  --red: var(--red-deep);
}
.chapter--dark {
  background: var(--ink);
  color: var(--paper);
  --panel-bg: var(--ink);
  --line-c: var(--line);
  --muted-c: rgba(242, 238, 227, 0.58);
}
.chapter--paper .chapter-word b { color: var(--red); }
.chapter-num {
  position: absolute;
  right: var(--gutter);
  top: 106px;
  z-index: 3;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 13vw;
  line-height: 0.66;
  letter-spacing: -0.08em;
  color: transparent;
  -webkit-text-stroke: 1px var(--line-c);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.7s ease;
}
.chapter.is-active .chapter-num { opacity: 0.42; }

/* ---------- fixed framing ---------- */
.grain {
  position: fixed;
  inset: 0;
  z-index: 45;
  pointer-events: none;
  opacity: 0.075;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 220 220' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.84' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E");
  background-size: 220px 220px;
}
.frame {
  position: fixed;
  inset: 0;
  z-index: 40;
  pointer-events: none;
  color: #fff;
  opacity: 0.085;
  mix-blend-mode: difference;
}
.frame-v, .frame-h { position: absolute; display: block; background: currentColor; }
.frame-v { top: 0; width: 1px; height: 100%; }
.frame-h { left: 0; width: 100%; height: 1px; }
.frame-v1 { left: 25%; }
.frame-v2 { left: 50%; }
.frame-v3 { left: 75%; }
.frame-h1 { top: 50%; }
.frame-h2 { bottom: 10%; }
.frame-circle {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 72vmin;
  height: 72vmin;
  border: 1px solid currentColor;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.cross {
  position: absolute;
  font: 10px/1 var(--font-mono);
  color: currentColor;
  opacity: 0.9;
}
.cross-tl { left: 18px; top: 16px; }
.cross-tr { right: 18px; top: 16px; }
.cross-bl { left: 18px; bottom: 16px; }
.cross-br { right: 18px; bottom: 16px; }

/* ---------- loader ---------- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: grid;
  place-items: center;
  background: #080807;
  color: var(--paper);
  clip-path: inset(0 0 0 0);
  transition: clip-path 1.05s var(--ease-curtain);
}
.loader.is-done { clip-path: inset(0 0 100% 0); pointer-events: none; }
.loader-hairline {
  position: absolute;
  left: 50%;
  top: 0;
  width: 1px;
  height: 100%;
  background: var(--line);
  opacity: 0.45;
}
.loader-center {
  width: min(430px, 72vw);
  transition: transform 0.9s var(--ease-out), opacity 0.55s ease;
}
.loader.is-done .loader-center { transform: translateY(-30px); opacity: 0; }
.loader-brand { display: flex; flex-direction: column; gap: 10px; }
.loader-word {
  font-family: var(--font-serif);
  font-size: clamp(54px, 6vw, 86px);
  line-height: 0.9;
  letter-spacing: -0.04em;
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out) 0.1s forwards;
}
.loader-sub {
  font: 9px/1.4 var(--font-mono);
  letter-spacing: 0.28em;
  color: var(--muted);
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out) 0.28s forwards;
}
.loader-meter {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  gap: 14px;
  margin-top: 58px;
  font: 8px/1 var(--font-mono);
  letter-spacing: 0.15em;
  color: var(--muted);
}
.loader-meter > span:first-child { color: var(--paper); }
.loader-track { height: 1px; background: rgba(242, 238, 227, 0.18); overflow: hidden; }
.loader-track i { display: block; width: 0; height: 100%; background: var(--red); transition: width 0.25s linear; }
.loader-foot {
  position: absolute;
  left: var(--gutter);
  right: var(--gutter);
  bottom: 28px;
  display: flex;
  justify-content: space-between;
  font: 8px/1.4 var(--font-mono);
  letter-spacing: 0.15em;
  color: rgba(242, 238, 227, 0.35);
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- header ---------- */
.site-head {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  height: 92px;
  padding: 0 var(--gutter);
  color: var(--head-fg);
  pointer-events: none;
  transition: color 0.55s ease, opacity 0.3s ease;
}
.site-head.is-light {
  --head-fg: var(--ink);
  --head-wash: rgba(233, 228, 216, 0.97);
  --head-line: rgba(11, 11, 10, 0.23);
}
.site-head::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 118px;
  z-index: -1;
  background: linear-gradient(180deg, var(--head-wash) 0%, var(--head-wash) 38%, transparent 100%);
  pointer-events: none;
  transition: background 0.55s ease;
}
.site-head > * { pointer-events: auto; }
.site-head.is-transitioning { opacity: 0; }
.site-head.is-transitioning > * { pointer-events: none; }
.head-progress {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.07);
}
.head-progress i {
  display: block;
  width: 0;
  height: 100%;
  background: var(--red);
  transition: width 0.2s linear;
}
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid currentColor;
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1;
  letter-spacing: -0.05em;
}
.brand-word {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 650;
  letter-spacing: -0.055em;
  line-height: 1;
}
.brand-dot { color: var(--red); }
.brand-meta {
  margin-left: 8px;
  font: 7.5px/1.25 var(--font-mono);
  letter-spacing: 0.13em;
  color: currentColor;
  opacity: 0.46;
}
.primary-nav {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.2vw, 34px);
}
.primary-nav a {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 8px 0;
  font: 10.5px/1 var(--font-mono);
  letter-spacing: 0.1em;
  opacity: 0.72;
  transition: opacity 0.25s ease, color 0.25s ease;
}
.primary-nav a span { font-size: 7px; opacity: 0.4; }
.primary-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease-out);
}
.primary-nav a:hover, .primary-nav a.is-current { opacity: 1; }
.primary-nav a:hover::after, .primary-nav a.is-current::after { transform: scaleX(1); transform-origin: left; }
.head-tools {
  position: relative;
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 18px;
}
.quiet-link {
  font: 10px/1 var(--font-mono);
  letter-spacing: 0.1em;
  opacity: 0.7;
  transition: opacity 0.25s ease;
}
.quiet-link:hover { opacity: 1; }
.workbench-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 13px 9px;
  border: 1px solid var(--head-line);
  font: 9.5px/1 var(--font-mono);
  letter-spacing: 0.1em;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}
.workbench-link svg { width: 12px; height: 12px; fill: none; stroke: currentColor; stroke-width: 1.2; }
.workbench-link:hover { background: var(--red); border-color: var(--red); color: var(--white); }
.menu-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  font: 9px/1 var(--font-mono);
  letter-spacing: 0.12em;
}
.menu-lines { display: flex; flex-direction: column; gap: 4px; width: 20px; }
.menu-lines i { display: block; height: 1px; width: 100%; background: currentColor; transition: transform 0.3s ease; }

/* ---------- shared tiny type ---------- */
.hero-kicker, .chapter-meta, .chapter-stats, .art-side, .hero-foot, .lens-label,
.lens-eyebrow, .orbit-label, .lens-caption, .hero-tag, .fixed-ui, .site-foot,
.margin-note, .folio-runner, .corpus-formats, .report-head, .report-foot,
.proof-caption, .compare-caption, .card-top, .card-meta, .card-foot {
  font-family: var(--font-mono);
}
.red-square {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  background: var(--red);
  vertical-align: 1px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid transparent;
  font: 10px/1 var(--font-mono);
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.3s var(--ease-out);
}
.btn svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.2; transition: transform 0.35s var(--ease-out); }
.btn:hover svg { transform: translateX(4px); }
.btn-primary { background: var(--red); color: var(--white); border-color: var(--red); }
.btn-primary:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn-quiet { color: inherit; border-color: var(--line-strong); }
.btn-quiet:hover { border-color: var(--red); color: var(--red); }
.play-glyph {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border: 1px solid currentColor;
  border-radius: 50%;
}
.play-glyph i {
  display: block;
  width: 0;
  height: 0;
  margin-left: 2px;
  border-top: 3px solid transparent;
  border-bottom: 3px solid transparent;
  border-left: 4px solid currentColor;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background:
    radial-gradient(72% 90% at 74% 51%, #161613 0%, #0e0e0c 44%, #0b0b0a 72%),
    var(--ink);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(11, 11, 10, 0.2) 0%, transparent 44%, rgba(11, 11, 10, 0.06) 100%);
}
.hero-main {
  position: absolute;
  left: var(--gutter);
  top: clamp(124px, 17vh, 182px);
  z-index: 7;
  width: min(56vw, 790px);
}
.hero-kicker {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0 10px;
  font-size: 9px;
  line-height: 1.5;
  letter-spacing: 0.16em;
  color: rgba(242, 238, 227, 0.8);
}
.hero-kicker span {
  display: inline-block;
  margin-left: 6px;
  font-family: var(--font-cjk);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: rgba(242, 238, 227, 0.43);
}
.hero-title {
  margin-top: clamp(34px, 5.4vh, 64px);
  color: var(--white);
  font-family: var(--font-cjk);
  font-size: clamp(66px, 9vw, 150px);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.055em;
}
.hero-title .line {
  display: block;
  overflow: hidden;
  padding: 0 0 0.08em;
  margin-bottom: -0.06em;
}
.hero-title .line-inner {
  display: block;
  transform: translateY(115%);
  opacity: 0;
  letter-spacing: 0.16em;
}
.is-ready .hero-title .line-inner {
  animation: heroLine 1.45s var(--ease-out) 0.16s forwards;
}
.is-ready .hero-title .line-2 .line-inner { animation-delay: 0.31s; }
@keyframes heroLine {
  0% { transform: translateY(115%); opacity: 0; letter-spacing: 0.17em; }
  45% { opacity: 1; }
  100% { transform: translateY(0); opacity: 1; letter-spacing: -0.055em; }
}
.hero-title .outline {
  color: transparent;
  -webkit-text-stroke: 1px rgba(242, 238, 227, 0.88);
  text-stroke: 1px rgba(242, 238, 227, 0.88);
}
.red-period {
  display: inline-block;
  margin-left: 0.02em;
  color: var(--red);
  font-family: var(--font-serif);
  font-size: 0.72em;
  font-weight: 400;
  transform: translateY(-0.08em);
}
.hero-lede {
  margin-top: clamp(24px, 4vh, 42px);
  color: rgba(242, 238, 227, 0.68);
  font-family: var(--font-cjk);
  font-size: clamp(13px, 1.12vw, 16px);
  line-height: 1.9;
  letter-spacing: 0.055em;
  opacity: 0;
  transform: translateY(14px);
}
.is-ready .hero-lede { animation: simpleUp 1s var(--ease-out) 0.72s forwards; }
.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: clamp(24px, 3.6vh, 38px);
  opacity: 0;
  transform: translateY(14px);
}
.is-ready .hero-actions { animation: simpleUp 1s var(--ease-out) 0.86s forwards; }
.hero-proof {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  width: min(55vw, 760px);
  margin-top: clamp(26px, 4.6vh, 54px);
  padding-top: 15px;
  border-top: 1px solid var(--line);
  opacity: 0;
  transform: translateY(14px);
}
.is-ready .hero-proof { animation: simpleUp 1s var(--ease-out) 1s forwards; }
.hero-proof div { min-width: 0; }
.hero-proof strong {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(25px, 2.1vw, 34px);
  font-weight: 400;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--paper);
  white-space: nowrap;
}
.hero-proof strong span { font-family: var(--font-cjk); font-size: 0.45em; letter-spacing: 0; }
.hero-proof small {
  display: block;
  margin-top: 8px;
  font: 7.5px/1.55 var(--font-mono);
  letter-spacing: 0.08em;
  color: rgba(242, 238, 227, 0.42);
  white-space: nowrap;
}
@keyframes simpleUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

/* lens */
.hero-lens {
  position: absolute;
  z-index: 4;
  right: 3.2vw;
  top: 50%;
  width: clamp(440px, 45vw, 690px);
  aspect-ratio: 1;
  transform: translateY(-50%) scale(0.86);
  border: 1px solid rgba(242, 238, 227, 0.17);
  border-radius: 50%;
  overflow: hidden;
  background:
    radial-gradient(circle at 56% 46%, rgba(38, 38, 32, 0.8) 0%, rgba(15, 15, 13, 0.92) 49%, #080807 100%);
  box-shadow: inset 0 0 120px rgba(0, 0, 0, 0.55), 0 50px 120px rgba(0, 0, 0, 0.24);
  opacity: 0;
  color: var(--paper);
}
.is-ready .hero-lens { animation: lensIn 1.9s var(--ease-out) 0.34s forwards; }
@keyframes lensIn {
  0% { opacity: 0; transform: translateY(-48%) scale(0.86) rotate(-5deg); }
  100% { opacity: 1; transform: translateY(-50%) scale(1) rotate(0); }
}
#glyphField { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; transition: opacity 2s ease 0.7s; }
.is-ready #glyphField { opacity: 0.9; }
.lens-wash {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 48%, rgba(8, 8, 7, 0.82) 0%, rgba(8, 8, 7, 0.34) 27%, transparent 52%),
    radial-gradient(circle at 50% 50%, transparent 38%, rgba(8, 8, 7, 0.25) 72%, rgba(8, 8, 7, 0.7) 100%),
    linear-gradient(180deg, rgba(242, 238, 227, 0.035), transparent 30%, rgba(0, 0, 0, 0.22));
  pointer-events: none;
}
.lens-ring { position: absolute; inset: 4.8%; width: 90.4%; height: 90.4%; color: var(--paper); }
.lens-arc {
  transform-origin: 400px 400px;
  animation: ringTurn 36s linear infinite;
}
@keyframes ringTurn { to { transform: rotate(360deg); } }
.lens-center {
  position: absolute;
  left: 50%;
  top: 48%;
  z-index: 3;
  transform: translate(-50%, -50%);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-shadow: 0 2px 20px #080807;
}
.lens-center::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: -1;
  width: 300px;
  height: 300px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(8, 8, 7, 0.76) 0%, rgba(8, 8, 7, 0.44) 42%, transparent 72%);
}
.lens-eyebrow, .lens-label, .lens-caption {
  font-size: 7.5px;
  letter-spacing: 0.2em;
  color: rgba(242, 238, 227, 0.45);
  white-space: nowrap;
}
.lens-center strong {
  display: block;
  margin: 12px 0 10px;
  font-family: var(--font-serif);
  font-size: clamp(76px, 7.2vw, 122px);
  font-weight: 400;
  line-height: 0.74;
  letter-spacing: -0.055em;
  color: var(--paper);
}
.lens-label { padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.lens-focus {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 14px;
  color: var(--red);
  font-size: 7.5px;
  letter-spacing: 0.14em;
}
.lens-focus i { width: 5px; height: 5px; border-radius: 50%; background: var(--red); }
.orbit-label {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 2px 4px;
  background: rgba(8, 8, 7, 0.34);
  backdrop-filter: blur(2px);
  font-size: 7px;
  line-height: 1.1;
  letter-spacing: 0.14em;
  color: rgba(242, 238, 227, 0.48);
  white-space: nowrap;
}
.orbit-label b { color: rgba(242, 238, 227, 0.3); font-weight: 400; }
.orbit-hot { color: var(--red); }
.orbit-hot b { color: rgba(232, 71, 42, 0.55); }
.orbit-a { left: 44%; top: 6.5%; transform: translateX(-50%); }
.orbit-b { right: 5.2%; top: 21%; align-items: flex-end; }
.orbit-c { right: 3.2%; top: 49%; align-items: flex-end; }
.orbit-d { right: 13%; bottom: 10.5%; align-items: flex-end; }
.orbit-e { left: 50%; bottom: 5.8%; transform: translateX(-50%); align-items: center; }
.orbit-f { left: 8.2%; bottom: 18%; }
.orbit-g { left: 3.7%; top: 46%; }
.orbit-h { left: 15%; top: 18%; }
.lens-caption {
  position: absolute;
  left: 50%;
  bottom: 1.8%;
  transform: translateX(-50%);
  font-size: 6.5px;
  letter-spacing: 0.24em;
  opacity: 0.35;
}
.hero-tag {
  position: absolute;
  z-index: 6;
  font-size: 7.5px;
  letter-spacing: 0.18em;
  color: rgba(242, 238, 227, 0.36);
  opacity: 0;
  white-space: nowrap;
}
.hero-tag i { margin-right: 5px; color: var(--red); font-style: normal; }
.hero-tag-a { left: 1.45vw; top: 39%; transform: rotate(-90deg); }
.hero-tag-b { left: 1.45vw; bottom: 31%; transform: rotate(-90deg); }
.hero-tag-c { right: 3vw; top: 11.6%; }
.hero-tag-d { right: 3vw; bottom: 10.5%; }
.is-ready .hero-tag-a { animation: tagFlyA 1.3s var(--ease-out) 1.22s forwards; }
.is-ready .hero-tag-b { animation: tagFlyA 1.3s var(--ease-out) 1.32s forwards; }
.is-ready .hero-tag-c { animation: tagFlyC 1.3s var(--ease-out) 1.42s forwards; }
.is-ready .hero-tag-d { animation: tagFlyC 1.3s var(--ease-out) 1.52s forwards; }
@keyframes tagFlyA {
  from { opacity: 0; translate: 0 -24vh; }
  to { opacity: 1; translate: 0 0; }
}
@keyframes tagFlyC {
  from { opacity: 0; translate: 24vw 0; }
  to { opacity: 1; translate: 0 0; }
}
.hero-foot {
  position: absolute;
  left: var(--gutter);
  right: var(--gutter);
  bottom: 66px;
  z-index: 6;
  display: flex;
  justify-content: space-between;
  font-size: 7.5px;
  letter-spacing: 0.16em;
  color: rgba(242, 238, 227, 0.32);
  opacity: 0;
}
.is-ready .hero-foot { animation: fadeIn 1s ease 1.4s forwards; }
@keyframes fadeIn { to { opacity: 1; } }

/* ============================================================
   CHAPTER SHELL
   ============================================================ */
.chapter::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  background: linear-gradient(90deg, var(--panel-bg) 0%, transparent 34%);
  opacity: 0.72;
}
.chapter--paper::before {
  background: linear-gradient(90deg, rgba(233, 228, 216, 0.94) 0%, rgba(233, 228, 216, 0.38) 27%, transparent 52%);
}
.chapter--dark::before {
  background: linear-gradient(90deg, rgba(11, 11, 10, 0.95) 0%, rgba(11, 11, 10, 0.45) 27%, transparent 56%);
}
.chapter::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 7;
  height: 128px;
  background: linear-gradient(0deg, var(--panel-bg) 6%, transparent 100%);
  opacity: 0.9;
  pointer-events: none;
}
.chapter--begin::after { display: none; }
.split { position: absolute; inset: 0; z-index: 1; }
.half {
  position: absolute;
  left: 0;
  width: 100%;
  height: 50.1%;
  overflow: hidden;
}
.half-top { top: 0; }
.half-bottom { bottom: 0; }
.split .art {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  transform: translate3d(0, calc(var(--panel-p, 0) * -1.6vh), 0) scale(calc(1.035 + var(--panel-p, 0) * 0.018));
  filter: grayscale(1) contrast(1.02);
  opacity: 0.56;
  transition: filter 1.1s ease, opacity 1.1s ease;
  will-change: transform, filter;
}
.half-bottom .art { top: auto; bottom: 0; }
.chapter.is-active .split .art { filter: grayscale(0) contrast(1); opacity: 1; }
.curtain {
  position: absolute;
  top: 0;
  z-index: 12;
  width: 50.2%;
  height: 100%;
  background: var(--panel-bg);
  transition: transform 1.15s var(--ease-curtain);
  will-change: transform;
}
.curtain-l { left: 0; transform-origin: left center; }
.curtain-r { right: 0; transform-origin: right center; }
.half-top .curtain-l { transition-delay: 0.05s; }
.half-top .curtain-r { transition-delay: 0.12s; }
.half-bottom .curtain-l { transition-delay: 0.2s; }
.half-bottom .curtain-r { transition-delay: 0.27s; }
.chapter.has-entered .curtain { transform: scaleX(0); }
.split-seam {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  z-index: 13;
  height: 1px;
  background: var(--line-c);
  opacity: 0.52;
}
.chapter-ui {
  position: absolute;
  left: var(--gutter);
  top: 50%;
  z-index: 8;
  width: min(42vw, 610px);
  transform: translateY(-50%);
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.55s ease, visibility 0s linear 0.55s;
}
.chapter.is-active .chapter-ui {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.55s ease;
}
.chapter-ui a, .chapter-ui h2 { pointer-events: auto; }
.chapter-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  width: fit-content;
  max-width: 100%;
  padding-top: 11px;
  border-top: 1px solid var(--line-c);
  font-size: 7.5px;
  line-height: 1.2;
  letter-spacing: 0.15em;
  opacity: 0.55;
}
.chapter-meta span:nth-child(3) { margin-left: 8px; opacity: 0.65; }
.meta-index { color: var(--red); opacity: 1; }
.chapter-word {
  margin-top: clamp(22px, 3.2vh, 34px);
  font-family: var(--font-sans);
  font-size: clamp(66px, 8.1vw, 128px);
  font-weight: 600;
  line-height: 0.8;
  letter-spacing: -0.075em;
  text-transform: uppercase;
  color: currentColor;
  white-space: nowrap;
  transform: translate3d(calc(var(--panel-p, 0) * -2vw), 0, 0);
}
.chapter-word span {
  display: inline-block;
  transform: translateX(11vw);
  opacity: 0;
  transition: transform 1.25s var(--ease-out) 0.05s, opacity 0.65s ease 0.15s;
}
.chapter.has-entered .chapter-word span { transform: translateX(0); opacity: 1; }
.chapter-word b {
  display: inline-block;
  color: var(--red);
  font-family: var(--font-serif);
  font-size: 0.34em;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  transform: translateY(-0.44em);
  margin-left: 0.04em;
}
.chapter-copy {
  max-width: 355px;
  margin-top: clamp(22px, 3.2vh, 34px);
  opacity: 0;
  transform: translateY(18px);
  transition: transform 1s var(--ease-out) 0.28s, opacity 0.8s ease 0.32s;
}
.chapter.has-entered .chapter-copy { opacity: 1; transform: translateY(0); }
.chapter-copy h3 {
  font-family: var(--font-cjk);
  font-size: clamp(17px, 1.32vw, 21px);
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: 0.005em;
  color: currentColor;
}
.chapter-copy p {
  margin-top: 11px;
  color: var(--muted-c);
  font-family: var(--font-cjk);
  font-size: 12.5px;
  line-height: 1.9;
  letter-spacing: 0.02em;
}
.chapter-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(290px, 100%);
  margin-top: 19px;
  padding-top: 11px;
  border-top: 1px solid var(--line-c);
  font: 9px/1 var(--font-mono);
  letter-spacing: 0.1em;
  color: currentColor;
  opacity: 0;
  transform: translateX(-22px);
  transition: transform 0.9s var(--ease-out) 0.5s, opacity 0.7s ease 0.52s, color 0.25s ease;
}
.chapter.has-entered .chapter-link { opacity: 1; transform: translateX(0); }
.chapter-link:hover { color: var(--red); }
.chapter-link i {
  font-style: normal;
  font-size: 14px;
  transition: transform 0.35s var(--ease-out);
}
.chapter-link:hover i { transform: translate(3px, -3px); }
.chapter-stats {
  display: none !important;
  position: absolute;
  right: var(--gutter);
  bottom: 86px;
  z-index: 8;
  display: flex;
  gap: clamp(26px, 4vw, 60px);
  padding-top: 12px;
  border-top: 1px solid var(--line-c);
  font-size: 7.5px;
  letter-spacing: 0.1em;
  color: var(--muted-c);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.8s ease 0.1s, transform 1s var(--ease-out) 0.1s, visibility 0s linear 0.8s;
}
.chapter.is-active .chapter-stats {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity 0.8s ease 0.35s, transform 1s var(--ease-out) 0.35s;
}
.chapter-stats span {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: currentColor;
}
.chapter-stats small {
  font: 7px/1.3 var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--muted-c);
}
.art-side {
  position: absolute;
  right: 14px;
  top: 50%;
  z-index: 4;
  transform: translateY(-50%) rotate(180deg);
  writing-mode: vertical-rl;
  font-size: 7px;
  letter-spacing: 0.18em;
  color: var(--muted-c);
  opacity: 0.55;
  white-space: nowrap;
}

/* ============================================================
   ART 01 — CORPUS
   ============================================================ */
.art--corpus {
  background:
    radial-gradient(80% 90% at 78% 18%, rgba(255, 255, 255, 0.55), transparent 60%),
    linear-gradient(115deg, #eee8dc 0%, #e4ddcf 54%, #d9d1c1 100%);
  color: var(--ink);
}
.art--corpus::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, transparent 0 11vw, rgba(11, 11, 10, 0.035) 11vw calc(11vw + 1px));
  opacity: 0.7;
}
.art-ghost {
  position: absolute;
  left: -3.5vw;
  bottom: -13vh;
  z-index: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 34vw;
  line-height: 0.7;
  letter-spacing: -0.1em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(11, 11, 10, 0.1);
  pointer-events: none;
}
.folio-stack {
  position: absolute;
  left: 41%;
  right: 3vw;
  top: 11.5vh;
  height: 78vh;
  z-index: 2;
  display: flex;
  gap: 1vw;
  transform: rotate(0.4deg);
}
.folio {
  position: relative;
  flex: 1;
  height: 100%;
  padding: 26px 22px 48px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.04), transparent 7%, transparent 93%, rgba(0, 0, 0, 0.045)),
    #f7f2e7;
  color: #2e2b25;
  box-shadow: 0 25px 70px rgba(33, 28, 18, 0.19), 0 2px 0 rgba(255, 255, 255, 0.6) inset;
  transform-origin: center;
}
.folio::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.08), transparent 5%, transparent 95%, rgba(0, 0, 0, 0.06)),
    radial-gradient(90% 50% at 50% 0%, rgba(83, 63, 35, 0.05), transparent 80%);
  mix-blend-mode: multiply;
}
.folio-a { transform: rotate(-1.4deg) translateY(8px); }
.folio-b { transform: rotate(1.3deg) translateY(-10px); }
.folio-a::before,
.folio-b::before {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 74px;
  z-index: 1;
  padding-top: 12px;
  border-top: 1px solid rgba(46, 43, 37, 0.2);
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.25vw, 21px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: rgba(46, 43, 37, 0.78);
}
.folio-a::before { content: "“The studio was filled with the rich odour of roses.”"; }
.folio-b::before { content: "“The house was haunted; even the children passed it with a quicker step.”"; }
.folio-runner {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(46, 43, 37, 0.25);
  font-size: 6px;
  line-height: 1.4;
  letter-spacing: 0.13em;
  color: rgba(46, 43, 37, 0.6);
}
.folio-cols {
  margin-top: 18px;
  column-count: 2;
  column-gap: 20px;
  font-family: var(--font-serif);
  font-size: clamp(8px, 0.61vw, 9.8px);
  line-height: 1.62;
  text-align: justify;
  hyphens: auto;
  color: rgba(46, 43, 37, 0.86);
}
.folio-cols p { margin-bottom: 9px; text-indent: 1.2em; }
.folio-cols p:first-child { text-indent: 0; }
.folio-cols p:first-child::first-letter {
  float: left;
  padding: 4px 5px 0 0;
  font-family: var(--font-serif);
  font-size: 3.6em;
  line-height: 0.66;
  color: var(--ink);
}
.folio-note {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 38px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(46, 43, 37, 0.18);
  font: 4.9px/1.4 var(--font-mono);
  letter-spacing: 0.16em;
  color: rgba(46, 43, 37, 0.5);
}
.folio-note i { display: block; width: 5px; height: 5px; background: var(--red); }
.folio-page {
  position: absolute;
  right: 22px;
  bottom: 18px;
  font: 6px/1 var(--font-mono);
  color: rgba(46, 43, 37, 0.42);
}
.corpus-stamp {
  position: absolute;
  right: 5.1vw;
  top: 11vh;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 108px;
  height: 108px;
  border: 1px solid var(--red);
  border-radius: 50%;
  color: var(--red);
  transform: rotate(11deg);
  background: rgba(233, 228, 216, 0.7);
  backdrop-filter: blur(2px);
}
.corpus-stamp::before {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px dashed rgba(232, 71, 42, 0.55);
  border-radius: 50%;
}
.corpus-stamp span { font: 6px/1 var(--font-mono); letter-spacing: 0.18em; }
.corpus-stamp strong { margin: 4px 0 1px; font: 34px/0.9 var(--font-serif); }
.corpus-stamp small { font: 5.5px/1 var(--font-mono); letter-spacing: 0.18em; }
.corpus-count {
  position: absolute;
  left: var(--gutter);
  bottom: 13.5vh;
  z-index: 3;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.corpus-count strong {
  font: 40px/0.9 var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.corpus-count span { font: 6.5px/1 var(--font-mono); letter-spacing: 0.16em; color: rgba(11, 11, 10, 0.48); }
.corpus-formats {
  position: absolute;
  right: 3vw;
  bottom: 8.2vh;
  z-index: 3;
  display: flex;
  gap: 15px;
  padding-top: 9px;
  border-top: 1px solid rgba(11, 11, 10, 0.24);
  font-size: 6.5px;
  letter-spacing: 0.13em;
  color: rgba(11, 11, 10, 0.62);
}

/* ============================================================
   ART 02 — MODEL
   ============================================================ */
.art--model {
  background:
    radial-gradient(60% 70% at 72% 48%, rgba(56, 55, 47, 0.35), transparent 65%),
    linear-gradient(135deg, #10100e 0%, #0b0b0a 70%);
  color: var(--paper);
}
.map-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(242, 238, 227, 0.15) 0.7px, transparent 0.8px);
  background-size: 34px 34px;
  mask-image: linear-gradient(90deg, transparent 16%, rgba(0, 0, 0, 0.7) 45%, #000 100%);
  opacity: 0.34;
}
.topic-svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.map-meta { font-family: var(--font-mono); }
.map-line {
  stroke-dasharray: 900;
  stroke-dashoffset: 900;
  transition: stroke-dashoffset 1.8s ease 0.4s;
}
.has-entered .map-line { stroke-dashoffset: 0; }
.map-nodes { opacity: 0.45; transition: opacity 1s ease 0.7s; }
.has-entered .map-nodes { opacity: 1; }
.map-nodes text { font-family: var(--font-mono); }
.map-crosshair { opacity: 0; transition: opacity 1.1s ease 1.1s; }
.has-entered .map-crosshair { opacity: 1; }
.map-readout { font-family: var(--font-mono); }

/* ============================================================
   ART 03 — EVIDENCE
   ============================================================ */
.art--evidence {
  background:
    radial-gradient(60% 80% at 70% 20%, rgba(255, 255, 255, 0.45), transparent 60%),
    linear-gradient(120deg, #ece7da 0%, #e7e0d2 100%);
  color: var(--ink);
}
.evidence-ghost {
  position: absolute;
  left: -2.5vw;
  bottom: -7.5vh;
  z-index: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 23vw;
  line-height: 0.7;
  letter-spacing: -0.1em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(11, 11, 10, 0.09);
}
.evidence-quote {
  position: absolute;
  left: 48.5%;
  right: 4vw;
  top: 16vh;
  z-index: 2;
  max-width: 52vw;
  font-family: var(--font-serif);
  font-size: clamp(31px, 3.35vw, 53px);
  line-height: 1.02;
  letter-spacing: -0.022em;
  color: rgba(18, 18, 15, 0.9);
}
.evidence-quote em {
  color: var(--red);
  font-style: italic;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}
.evidence-quote .quote-mark {
  margin-right: 0.04em;
  color: var(--red);
  font-size: 1.12em;
}
.evidence-quote cite {
  display: block;
  margin-top: 22px;
  font: 7px/1.4 var(--font-mono);
  letter-spacing: 0.16em;
  color: rgba(11, 11, 10, 0.48);
}
.margin-note {
  display: none;
  position: absolute;
  z-index: 2;
  padding-left: 10px;
  border-left: 1px solid var(--red);
  font-size: 6.5px;
  line-height: 1.55;
  letter-spacing: 0.12em;
  color: rgba(11, 11, 10, 0.5);
}
.margin-note span { color: var(--red); }
.margin-note-a { right: 2vw; top: 10vh; text-align: left; }
.margin-note-b { left: 43%; top: 9vh; border-left-color: rgba(11, 11, 10, 0.2); }
.evidence-trace {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  overflow: visible;
}
.evidence-trace path {
  fill: none;
  stroke: var(--red);
  stroke-width: 1;
  stroke-dasharray: 4 6;
  opacity: 0.65;
}
.evidence-trace circle { fill: var(--red); }
.evidence-card {
  position: absolute;
  left: 48.5%;
  right: 4vw;
  bottom: 7vh;
  z-index: 9;
  max-width: 52vw;
  padding: 22px 25px 18px;
  background: #121210;
  color: var(--paper);
  --red: var(--red-bright);
  box-shadow: 0 32px 80px rgba(24, 19, 12, 0.28);
  transform: rotate(-0.8deg);
  opacity: 0;
  transition: opacity 0.8s ease 0.55s;
}
.chapter.is-active .evidence-card { opacity: 1; }
.card-top {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 6.5px;
  letter-spacing: 0.14em;
  color: rgba(242, 238, 227, 0.44);
}
.card-top span:last-child { color: var(--red); }
.evidence-card > p {
  margin: 26px 0 21px;
  font-family: var(--font-serif);
  font-size: clamp(20px, 1.8vw, 29px);
  line-height: 1.16;
  letter-spacing: -0.015em;
}
.evidence-card mark {
  background: transparent;
  color: var(--red);
  border-bottom: 1px solid var(--red);
}
.card-meta {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 6.5px;
  letter-spacing: 0.12em;
  color: rgba(242, 238, 227, 0.42);
}
.card-meta b { color: var(--paper); font-weight: 400; }
.confidence { height: 1px; margin: 10px 0 12px; background: rgba(242, 238, 227, 0.15); }
.confidence i { display: block; width: 82%; height: 100%; background: var(--red); }
.card-foot {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  font-size: 6px;
  letter-spacing: 0.11em;
  color: rgba(242, 238, 227, 0.38);
}
.card-foot span:last-child { color: rgba(242, 238, 227, 0.7); }

/* ============================================================
   ART 04 — COMPARE
   ============================================================ */
.art--compare {
  background:
    radial-gradient(65% 80% at 72% 45%, rgba(53, 46, 37, 0.38), transparent 70%),
    linear-gradient(125deg, #11110f 0%, #0b0b0a 72%);
  color: var(--paper);
}
.compare-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(242, 238, 227, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 238, 227, 0.04) 1px, transparent 1px);
  background-size: 10vw 10vw;
  mask-image: linear-gradient(90deg, transparent 15%, #000 65%);
}
.compare-svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.compare-line {
  fill: none;
  stroke-dasharray: 1800;
  stroke-dashoffset: 1800;
  transition: stroke-dashoffset 2.1s ease 0.35s;
}
.has-entered .compare-line { stroke-dashoffset: 0; }
.compare-labels text, .compare-years text, .compare-divergence text, .compare-caption { font-family: var(--font-mono); }
.author-ghost {
  position: absolute;
  z-index: 0;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 8.2vw;
  line-height: 0.8;
  letter-spacing: -0.07em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(242, 238, 227, 0.14);
  pointer-events: none;
}
.author-a { left: 46%; top: 12.5vh; }
.author-b { right: 1vw; bottom: 10.5vh; }
.compare-caption {
  position: absolute;
  left: 2vw;
  top: 16vh;
  z-index: 2;
  font-size: 6.5px;
  letter-spacing: 0.16em;
  color: rgba(242, 238, 227, 0.44);
}
.compare-caption span { color: var(--red); }

/* ============================================================
   ART 05 — PROOF
   ============================================================ */
.art--proof {
  background:
    radial-gradient(60% 80% at 68% 20%, rgba(255, 255, 255, 0.5), transparent 65%),
    linear-gradient(120deg, #ede8dc 0%, #e5dfd1 100%);
  color: var(--ink);
}
.proof-ghost {
  position: absolute;
  left: -3vw;
  bottom: -9vh;
  z-index: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 31vw;
  line-height: 0.7;
  letter-spacing: -0.1em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(11, 11, 10, 0.08);
}
.report {
  position: absolute;
  right: 4vw;
  top: 12vh;
  z-index: 2;
  width: 48%;
  height: 79vh;
  padding: 2.2vw 2vw 2.7vw;
  background: #faf6eb;
  color: var(--ink);
  box-shadow: 0 36px 100px rgba(40, 32, 19, 0.22);
  transform: rotate(-1.15deg);
  overflow: hidden;
}
.report::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.05), transparent 5%, transparent 95%, rgba(0, 0, 0, 0.045));
}
.report-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 11px;
  border-bottom: 1px solid rgba(11, 11, 10, 0.25);
  font-size: 6px;
  letter-spacing: 0.14em;
  color: rgba(11, 11, 10, 0.55);
}
.report-title {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  margin-top: 3.3vh;
}
.report-title > span {
  align-self: flex-start;
  margin-top: 9px;
  font: 8px/1 var(--font-mono);
  color: var(--red);
}
.report-title h4 {
  font: 38px/0.82 var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.035em;
}
.report-title em {
  margin-left: auto;
  padding-bottom: 6px;
  font: 6px/1.4 var(--font-mono);
  letter-spacing: 0.08em;
  color: rgba(11, 11, 10, 0.48);
}
.report-cols {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2vw;
  margin-top: 3.4vh;
}
.report-lede {
  font-family: var(--font-cjk);
  font-size: 10px;
  line-height: 1.8;
  color: rgba(11, 11, 10, 0.72);
}
.mini-bars { margin-top: 2.1vh; }
.mini-bars > span {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3px 8px;
  padding: 5px 0 6px;
  font: 5.5px/1 var(--font-mono);
  letter-spacing: 0.08em;
  color: rgba(11, 11, 10, 0.62);
}
.mini-bars b { font-weight: 400; }
.mini-bars em { font-style: normal; color: rgba(11, 11, 10, 0.42); }
.mini-bars i {
  grid-column: 1 / -1;
  grid-row: 2;
  display: block;
  width: var(--v);
  height: 2px;
  background: var(--red);
}
.report-table { border-top: 1px solid rgba(11, 11, 10, 0.2); }
.report-table > div {
  display: grid;
  grid-template-columns: 18px 1fr auto;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(11, 11, 10, 0.1);
  font: 5.5px/1.3 var(--font-mono);
  letter-spacing: 0.04em;
}
.report-table span { color: var(--red); }
.report-table b { font-weight: 400; }
.report-table em { font-style: normal; color: rgba(11, 11, 10, 0.44); }
.report-foot {
  position: absolute;
  left: 2vw;
  right: 2vw;
  bottom: 1.5vw;
  display: flex;
  justify-content: space-between;
  padding-top: 9px;
  border-top: 1px solid rgba(11, 11, 10, 0.2);
  font-size: 5.5px;
  letter-spacing: 0.09em;
  color: rgba(11, 11, 10, 0.42);
}
.report-bottom {
  position: absolute;
  left: 2vw;
  right: 2vw;
  bottom: 6.5vh;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2vw;
  padding-top: 12px;
  border-top: 1px solid rgba(11, 11, 10, 0.23);
}
.report-bottom span {
  display: block;
  margin-bottom: 9px;
  font: 5.5px/1 var(--font-mono);
  letter-spacing: 0.12em;
  color: var(--red);
}
.report-bottom p {
  font-family: var(--font-serif);
  font-size: clamp(12px, 0.92vw, 15px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: rgba(11, 11, 10, 0.7);
}
.report-bottom div:last-child p {
  font-family: var(--font-cjk);
  font-size: 8px;
  line-height: 1.7;
  color: rgba(11, 11, 10, 0.55);
}
.proof-stamp {
  position: absolute;
  right: 3vw;
  top: 10.8vh;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 98px;
  height: 98px;
  border: 1px solid var(--red);
  border-radius: 50%;
  color: var(--red);
  transform: rotate(8deg);
  background: rgba(237, 232, 220, 0.68);
}
.proof-stamp::before {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px dashed rgba(232, 71, 42, 0.55);
  border-radius: 50%;
}
.proof-stamp span, .proof-stamp small { font: 5.5px/1 var(--font-mono); letter-spacing: 0.16em; }
.proof-stamp strong { margin: 4px 0; font: 18px/1 var(--font-serif); }
.proof-caption {
  position: absolute;
  left: 43%;
  bottom: 5vh;
  z-index: 3;
  font-size: 6px;
  letter-spacing: 0.13em;
  color: rgba(11, 11, 10, 0.38);
}

/* ============================================================
   BEGIN / CTA
   ============================================================ */
.chapter--begin {
  width: 100vw;
  background:
    radial-gradient(65% 85% at 78% 52%, #171714 0%, #0e0e0c 50%, #0b0b0a 76%),
    var(--ink);
  color: var(--paper);
}
.chapter--begin::before { display: none; }
.begin-field {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.begin-ring {
  position: absolute;
  right: 8vw;
  top: 48%;
  width: 64vmin;
  height: 64vmin;
  border: 1px solid rgba(242, 238, 227, 0.13);
  border-radius: 50%;
  transform: translateY(-50%);
}
.begin-ring::before,
.begin-ring::after {
  content: "";
  position: absolute;
  background: rgba(242, 238, 227, 0.13);
}
.begin-ring::before { left: 50%; top: -5%; width: 1px; height: 110%; }
.begin-ring::after { top: 50%; left: -5%; width: 110%; height: 1px; }
.begin-ring-2 {
  width: 46vmin;
  height: 46vmin;
  right: 17vw;
  border-color: rgba(232, 71, 42, 0.28);
  animation: ringTurn 48s linear infinite;
}
.begin-ring-2::before, .begin-ring-2::after { opacity: 0.5; }
.begin-field > span {
  position: absolute;
  z-index: 2;
  font: 7px/1 var(--font-mono);
  letter-spacing: 0.16em;
  color: rgba(242, 238, 227, 0.32);
}
.begin-field > span:nth-of-type(1) { right: 6vw; top: 19%; }
.begin-field > span:nth-of-type(2) { right: 24vw; top: 26%; }
.begin-field > span:nth-of-type(3) { right: 2vw; top: 49%; }
.begin-field > span:nth-of-type(4) { right: 29vw; top: 74%; }
.begin-field > span:nth-of-type(5) { right: 10vw; top: 81%; }
.begin-field > span:nth-of-type(6) { right: 34vw; top: 14%; color: var(--red); }
.begin-content {
  position: absolute;
  left: var(--gutter);
  top: 20vh;
  z-index: 5;
  width: min(61vw, 900px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 1.1s var(--ease-out), visibility 0s linear 0.7s;
}
.chapter--begin.is-active .begin-content {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity 0.8s ease 0.15s, transform 1.2s var(--ease-out) 0.1s;
}
.begin-title {
  display: flex;
  align-items: flex-start;
  margin: clamp(24px, 4.5vh, 48px) 0 26px;
  font-family: var(--font-sans);
  font-size: clamp(112px, 16.2vw, 250px);
  font-weight: 700;
  line-height: 0.76;
  letter-spacing: -0.085em;
  color: var(--paper);
}
.begin-title b {
  margin: 0.1em 0 0 0.02em;
  color: var(--red);
  font-family: var(--font-serif);
  font-size: 0.33em;
  font-weight: 400;
}
.begin-content h3 {
  font-family: var(--font-cjk);
  font-size: clamp(22px, 2vw, 31px);
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.02em;
}
.begin-lede {
  margin-top: 18px;
  color: rgba(242, 238, 227, 0.58);
  font-family: var(--font-cjk);
  font-size: 12.5px;
  line-height: 1.9;
}
.begin-actions { display: flex; gap: 12px; margin-top: 30px; }
.begin-actions .arrow { font-size: 14px; }
.begin-notes {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: clamp(28px, 5vh, 64px);
  font: 7.5px/1 var(--font-mono);
  letter-spacing: 0.11em;
  color: rgba(242, 238, 227, 0.48);
}
.begin-notes span { display: inline-flex; align-items: center; gap: 7px; }
.begin-notes i { width: 4px; height: 4px; border-radius: 50%; background: var(--red); }
.site-foot {
  position: absolute;
  left: var(--gutter);
  right: var(--gutter);
  bottom: 78px;
  z-index: 6;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 7.5px;
  letter-spacing: 0.1em;
  color: rgba(242, 238, 227, 0.42);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.7s ease, visibility 0s linear 0.7s;
}
.chapter--begin.is-active .site-foot {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.8s ease 0.35s;
}
.foot-brand { display: flex; align-items: center; gap: 12px; color: var(--paper); }
.foot-brand .brand-mark { width: 26px; height: 26px; font-size: 13px; }
.foot-brand > span:last-child { display: flex; flex-direction: column; gap: 5px; }
.foot-brand small { font: 6.5px/1 var(--font-mono); letter-spacing: 0.08em; color: rgba(242, 238, 227, 0.35); }
.foot-links { display: flex; gap: 20px; }
.foot-links a:hover { color: var(--red); }
.foot-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 5px; text-align: right; }

/* ============================================================
   FIXED UI
   ============================================================ */
.fixed-ui {
  position: fixed;
  left: var(--gutter);
  right: var(--gutter);
  bottom: 22px;
  z-index: 75;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(242, 238, 227, 0.48);
  pointer-events: none;
  transition: color 0.5s ease, opacity 0.3s ease;
}
.fixed-ui.is-transitioning { opacity: 0; }
.fixed-ui.is-transitioning .scroll-cue { pointer-events: none; }
.fixed-ui.is-light { color: rgba(11, 11, 10, 0.52); }
.fixed-ui.is-light #currentIndex { color: var(--red-deep); }
.section-counter {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-size: 8px;
  letter-spacing: 0.1em;
  white-space: nowrap;
}
.section-counter #currentIndex { color: var(--red); font-size: 10px; }
.section-counter i { font-style: normal; opacity: 0.5; }
.section-counter em { margin-left: 12px; font-style: normal; font-family: var(--font-cjk); font-size: 9px; opacity: 0.65; }
.scroll-cue {
  display: flex;
  align-items: center;
  gap: 12px;
  pointer-events: auto;
  color: inherit;
  font: 7.5px/1 var(--font-mono);
  letter-spacing: 0.15em;
  transition: color 0.25s ease;
}
.scroll-cue:hover { color: var(--red); }
.cue-label { white-space: nowrap; }
.cue-arrows { display: inline-flex; gap: 5px; }
.cue-arrows i {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border: 1px solid currentColor;
  border-radius: 50%;
  font: 9px/1 var(--font-mono);
  font-style: normal;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.scroll-cue:hover .cue-arrows i { border-color: var(--red); }
.cue-arrows i:last-child { background: rgba(242, 238, 227, 0.12); }
.fixed-ui.is-light .cue-arrows i:last-child { background: rgba(11, 11, 10, 0.08); }

/* ============================================================
   MENU / TOAST
   ============================================================ */
.menu-sheet {
  position: fixed;
  inset: 0;
  width: 100%;
  max-width: none;
  height: 100%;
  max-height: none;
  margin: 0;
  padding: 22px 20px 30px;
  border: 0;
  background: var(--ink);
  color: var(--paper);
}
.menu-sheet[open] { display: flex; flex-direction: column; animation: menuReveal 0.55s var(--ease-out); }
.menu-sheet::backdrop { background: rgba(0, 0, 0, 0.7); }
@keyframes menuReveal {
  from { opacity: 0; clip-path: inset(0 0 100% 0); }
  to { opacity: 1; clip-path: inset(0 0 0 0); }
}
.menu-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid var(--line); font: 8px/1 var(--font-mono); letter-spacing: 0.16em; color: var(--muted); }
.menu-close { font: 9px/1 var(--font-mono); letter-spacing: 0.1em; color: var(--paper); }
.menu-nav { display: flex; flex-direction: column; margin-top: 24px; }
.menu-nav a {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-cjk);
  font-size: clamp(28px, 8vw, 44px);
  line-height: 1.15;
}
.menu-nav a span { font: 8px/1 var(--font-mono); letter-spacing: 0.1em; color: var(--red); }
.menu-foot { display: flex; gap: 26px; margin-top: auto; padding-top: 20px; font: 9px/1 var(--font-mono); letter-spacing: 0.1em; color: var(--muted); }
.menu-foot a:hover { color: var(--red); }
.toast {
  position: fixed;
  left: 50%;
  bottom: 66px;
  z-index: 600;
  transform: translate(-50%, 12px);
  padding: 11px 16px;
  background: var(--paper);
  color: var(--ink);
  font: 9px/1.4 var(--font-mono);
  letter-spacing: 0.04em;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.35s var(--ease-out);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* ============================================================
   RESPONSIVE — VERTICAL EDITION
   ============================================================ */
@media (max-width: 1180px) {
  .primary-nav { gap: 18px; }
  .primary-nav a { font-size: 9px; }
  .brand-meta { display: none; }
  .hero-main { width: 60vw; }
  .hero-title { font-size: clamp(64px, 8.6vw, 118px); }
  .hero-lens { right: 2vw; width: clamp(420px, 44vw, 600px); }
  .hero-proof { gap: 16px; width: 54vw; }
  .chapter-ui { width: min(42vw, 520px); }
  .chapter-word { font-size: clamp(60px, 7.7vw, 106px); }
  .report { width: 50%; }
  .report-title h4 { font-size: 32px; }
}

@media (max-width: 980px), (pointer: coarse), (prefers-reduced-motion: reduce) {
  html, body { height: auto; overflow-x: hidden; }
  body { overflow-y: auto; }
  .rail {
    position: relative;
    display: block;
    height: auto;
    width: 100%;
    overflow: visible;
    cursor: default;
  }
  .pane { width: 100% !important; height: 100svh; min-height: 690px; }
  .hero { height: 100svh; min-height: 680px; }
  .chapter { height: 100svh; min-height: 720px; }
  .chapter--begin { height: auto; min-height: 100svh; }
  .frame, .grain { display: none; }
  .site-head { height: 74px; padding: 0 20px; }
  .site-head::before { opacity: 0.8; }
  .brand-mark { width: 27px; height: 27px; font-size: 13px; }
  .brand-word { font-size: 17px; }
  .brand-meta, .primary-nav, .head-tools { display: none; }
  .menu-toggle { display: flex; margin-left: auto; }
  .head-progress { height: 1px; }
  .hero-main { top: 13.5vh; left: 20px; right: 20px; width: auto; }
  .hero-kicker { font-size: 7.5px; letter-spacing: 0.12em; gap: 5px 7px; }
  .hero-kicker span { flex-basis: 100%; margin-left: 14px; font-size: 8px; letter-spacing: 0.12em; }
  .hero-title { margin-top: 25px; font-size: clamp(53px, 15.4vw, 84px); line-height: 1; }
  .hero-title .line-inner { letter-spacing: 0.08em; }
  .is-ready .hero-title .line-inner { animation-name: heroLineMobile; }
  @keyframes heroLineMobile {
    0% { transform: translateY(112%); opacity: 0; letter-spacing: 0.14em; }
    45% { opacity: 1; }
    100% { transform: translateY(0); opacity: 1; letter-spacing: -0.05em; }
  }
  .hero-lede { margin-top: 20px; font-size: 12.5px; line-height: 1.8; }
  .hero-actions { gap: 9px; margin-top: 23px; }
  .btn { min-height: 44px; padding: 0 14px; font-size: 9px; gap: 10px; }
  .btn svg { width: 14px; height: 14px; }
  .play-glyph { width: 20px; height: 20px; }
  .hero-proof { grid-template-columns: 1fr 1fr; gap: 17px 10px; width: 100%; margin-top: 26px; padding-top: 12px; }
  .hero-proof strong { font-size: 22px; }
  .hero-proof small { margin-top: 5px; font-size: 6.5px; letter-spacing: 0.03em; white-space: normal; }
  .hero-lens {
    width: 84vw;
    right: -23vw;
    top: 56%;
    opacity: 0.48;
    border-color: rgba(242, 238, 227, 0.08);
    z-index: 2;
  }
  .lens-center { top: 50%; }
  .lens-center strong { font-size: 56px; }
  .lens-eyebrow, .lens-label, .lens-focus { font-size: 5.5px; }
  .lens-center::before { width: 230px; height: 230px; }
  .orbit-label { display: none; }
  .lens-caption { font-size: 5px; opacity: 0.22; }
  .hero-tag { display: none; }
  .hero-foot { display: none; }
  .chapter::before { z-index: 5; background: linear-gradient(0deg, var(--panel-bg) 4%, rgba(233, 228, 216, 0.94) 30%, transparent 72%); opacity: 1; }
  .chapter--dark::before { background: linear-gradient(0deg, rgba(11, 11, 10, 0.98) 4%, rgba(11, 11, 10, 0.94) 31%, transparent 72%); }
  .chapter--paper::before { background: linear-gradient(0deg, rgba(233, 228, 216, 0.99) 4%, rgba(233, 228, 216, 0.93) 36%, transparent 74%); }
  .chapter-ui {
    left: 20px;
    right: 20px;
    top: auto;
    bottom: 72px;
    width: auto;
    transform: none;
  }
  .chapter-meta { padding-top: 9px; gap: 8px; font-size: 6.5px; letter-spacing: 0.1em; }
  .chapter-meta span:nth-child(3) { display: none; }
  .chapter-word { margin-top: 18px; font-size: clamp(52px, 16vw, 82px); line-height: 0.8; }
  .chapter-copy { margin-top: 18px; max-width: 100%; }
  .chapter-copy h3 { font-size: clamp(17px, 5.2vw, 21px); line-height: 1.45; }
  .chapter-copy p { margin-top: 8px; font-size: 11.5px; line-height: 1.75; max-width: 87%; }
  .chapter-link { width: 100%; margin-top: 12px; padding-top: 9px; font-size: 8.5px; }
  .chapter-stats { display: none; }
  .chapter-num { display: none; }
  .chapter .split .art { transform: scale(1.01); }
  .chapter.is-active .split .art { filter: none; opacity: 1; }
  .chapter--begin .split { display: none; }
  .chapter--begin { display: flex; flex-direction: column; justify-content: center; padding: 110px 20px 90px; overflow: hidden; }
  .begin-content { position: relative; left: auto; top: auto; width: 100%; }
  .begin-title { font-size: clamp(96px, 26vw, 160px); margin: 26px 0 20px; }
  .begin-content h3 { font-size: 21px; }
  .begin-lede { font-size: 11.5px; line-height: 1.8; }
  .begin-actions { flex-wrap: wrap; margin-top: 22px; }
  .begin-notes { margin-top: 30px; gap: 10px 16px; font-size: 6.5px; }
  .begin-field { opacity: 0.7; }
  .begin-ring { right: -33vw; top: 42%; width: 85vw; height: 85vw; }
  .begin-ring-2 { display: none; }
  .begin-field > span { display: none; }
  .site-foot { position: relative; left: auto; right: auto; bottom: auto; margin-top: 58px; flex-direction: column; align-items: flex-start; gap: 18px; padding-bottom: 0; }
  .foot-links { order: 2; flex-wrap: wrap; gap: 14px; }
  .foot-meta { align-items: flex-start; text-align: left; order: 3; }
  .fixed-ui { bottom: 17px; left: 20px; right: 20px; }
  .section-counter { font-size: 7px; }
  .section-counter em { margin-left: 8px; font-size: 8px; }
  .scroll-cue { gap: 7px; }
  .cue-label { display: none; }
  .cue-arrows i { width: 22px; height: 22px; }
  .menu-sheet { max-height: 100svh; overflow-y: auto; }
  .toast { bottom: 58px; max-width: calc(100vw - 40px); white-space: nowrap; }

  /* mobile art repositioning */
  .folio-stack { left: 20%; right: -12vw; top: 10vh; height: 51vh; gap: 1.5vw; }
  .folio { padding: 16px 12px 30px; }
  .folio-a::before,
  .folio-b::before {
    left: 12px;
    right: 12px;
    bottom: 42px;
    padding-top: 7px;
    font-size: 10px;
    line-height: 1.05;
  }
  .folio-cols { column-gap: 10px; font-size: 7px; }
  .folio-runner { font-size: 4.5px; }
  .folio-note { left: 12px; right: 12px; bottom: 18px; }
  .folio-page { right: 12px; bottom: 8px; }
  .corpus-stamp { width: 72px; height: 72px; right: 6vw; top: 11vh; }
  .corpus-stamp strong { font-size: 23px; }
  .corpus-count { bottom: auto; top: 39vh; left: 20px; }
  .corpus-count strong { font-size: 28px; }
  .corpus-count span { font-size: 5.5px; }
  .corpus-formats { display: none; }
  .art-ghost, .proof-ghost, .evidence-ghost { opacity: 0.8; }
  .topic-svg { width: 180%; left: -40%; }
  .topic-svg .map-meta,
  .topic-svg .map-nodes text,
  .topic-svg .map-readout { display: none; }
  .topic-svg .map-axes { display: block; opacity: 0.72; }
  .map-readout { display: none; }
  .evidence-quote { left: 20px; right: 20px; top: 9vh; max-width: none; font-size: clamp(27px, 8.8vw, 42px); }
  .margin-note-a { display: none; }
  .margin-note-b { display: none; }
  .evidence-card { left: 20px; right: 20px; bottom: auto; top: 38vh; max-width: none; width: auto; padding: 18px; }
  .evidence-card > p { margin: 16px 0 14px; font-size: 20px; }
  .evidence-trace { display: none; }
  .compare-svg { width: 150%; left: -25%; }
  .compare-svg text { display: none; }
  .compare-svg .compare-divergence { display: none; }
  .compare-line { stroke-width: 1.4; }
  .author-ghost { font-size: 13vw; }
  .author-a { left: 24%; top: 10vh; }
  .author-b { right: 2vw; bottom: 39vh; }
  .compare-caption { left: 20px; top: 8vh; }
  .report { left: 22%; right: -13vw; top: 11vh; width: 78vw; height: 45vh; padding: 18px 16px; transform: rotate(-1.4deg); }
  .report-title { margin-top: 2vh; }
  .report-title h4 { font-size: 27px; }
  .report-cols { margin-top: 2vh; gap: 16px; }
  .report-lede { font-size: 8px; line-height: 1.65; }
  .report-foot { left: 16px; right: 16px; bottom: 10px; }
  .proof-stamp { width: 68px; height: 68px; right: 4vw; top: 42vh; }
  .proof-caption { display: none; }
  .report-bottom { display: none; }
  .art-side { display: none; }
  .split-seam { opacity: 0.35; }
}

@media (max-width: 420px) {
  .hero-title { font-size: clamp(48px, 15vw, 66px); }
  .hero-proof strong { font-size: 21px; }
  .hero-lens { width: 92vw; right: -31vw; top: 57%; }
  .chapter-copy p { max-width: 92%; }
  .corpus-count { top: 37vh; }
  .begin-title { font-size: 25vw; }
}

@media (max-width: 980px) and (max-height: 620px) {
  .hero-proof, .hero-lede { display: none; }
  .hero-main { top: 18vh; }
  .chapter-copy p { display: none; }
  .chapter-ui { bottom: 54px; }
  .evidence-card { top: 32vh; }
  .evidence-quote { font-size: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .curtain { display: none; }
  .chapter-word span, .chapter-copy, .chapter-link, .chapter-stats { opacity: 1; transform: none; }
  .hero-title .line-inner, .hero-lede, .hero-actions, .hero-proof, .hero-foot, .hero-tag { opacity: 1; transform: none; letter-spacing: -0.055em; }
  .hero-lens { opacity: 1; transform: translateY(-50%); }
  #glyphField { display: none; }
  .fixed-ui { display: none; }
  .split .art { filter: none; opacity: 1; }
}