:root {
  --bg: #0b0a08;
  --bg-2: #14110c;
  --ink: #ece3d2;
  --ink-soft: #cabfa9;
  --muted: #8d8270;
  --bronze: #c9a25a;
  --bronze-bright: #f0d28f;
  --bronze-deep: #8a6a2e;
  --cinnabar: #d6492f;
  --jade: #6cae93;
  --line: rgba(201, 162, 90, 0.16);
  --line-soft: rgba(236, 227, 210, 0.08);
  --panel: rgba(22, 18, 13, 0.62);
  --panel-solid: #16120c;
  --display: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --han: "Noto Serif SC", "Fraunces", serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --shadow: 0 40px 120px rgba(0, 0, 0, 0.55);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 700px at 78% -8%, rgba(201, 162, 90, 0.14), transparent 60%),
    radial-gradient(900px 600px at 8% 4%, rgba(108, 174, 147, 0.06), transparent 55%),
    linear-gradient(180deg, #0c0a08 0%, #0b0907 40%, #0a0806 100%);
  background-attachment: fixed;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* film grain / texture overlay */
.grain {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.32'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

a { color: inherit; text-decoration: none; transition: color 160ms ease; }
a:hover { color: var(--bronze-bright); }

h1, h2, h3 { margin-top: 0; font-family: var(--display); font-weight: 600; letter-spacing: -0.01em; }
p { margin-top: 0; }
::selection { background: rgba(214, 73, 47, 0.4); color: #fff; }

.kicker {
  margin: 0 0 14px;
  color: var(--bronze);
  text-transform: uppercase;
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.34em;
}

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 15px clamp(16px, 4vw, 52px);
  background: rgba(11, 10, 8, 0.72);
  backdrop-filter: blur(16px) saturate(1.2);
  border-bottom: 1px solid var(--line-soft);
}
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark { font-size: 24px; color: var(--bronze-bright); line-height: 1; text-shadow: 0 0 22px rgba(240, 210, 143, 0.45); }
.brand-name { font-family: var(--display); font-size: 19px; font-weight: 600; letter-spacing: -0.01em; }
.brand-name em { font-style: italic; color: var(--bronze); font-weight: 500; }
.nav { display: flex; align-items: center; gap: clamp(12px, 2vw, 26px); font-size: 14px; font-weight: 500; color: var(--ink-soft); }
.nav a:not(.hire) { position: relative; }
.nav a:not(.hire)::after { content: ""; position: absolute; left: 0; bottom: -5px; width: 0; height: 1px; background: var(--bronze); transition: width 220ms ease; }
.nav a:not(.hire):hover::after { width: 100%; }
.hire {
  padding: 9px 16px; border-radius: 999px; font-weight: 600; color: var(--bronze-bright);
  border: 1px solid rgba(201, 162, 90, 0.4); white-space: nowrap;
}
.hire:hover { color: #0b0a08; background: var(--bronze); border-color: var(--bronze); }

/* ---------- hero ---------- */
.hero { position: relative; isolation: isolate; min-height: 100svh; display: flex; align-items: center; padding: 96px clamp(16px, 4vw, 52px) 60px; }
.hero-bg {
  position: absolute; inset: 0; z-index: -2;
  background-image: url("/img/hero.svg");
  background-size: cover; background-position: center 60%;
  filter: saturate(0.92) contrast(1.02);
  animation: heroDrift 38s ease-in-out infinite alternate;
}
.hero-veil {
  position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(120% 90% at 30% 40%, transparent 0%, rgba(11,10,8,0.45) 55%, rgba(11,10,8,0.92) 100%),
    linear-gradient(90deg, rgba(11,10,8,0.92) 0%, rgba(11,10,8,0.55) 42%, rgba(11,10,8,0.25) 100%),
    linear-gradient(0deg, rgba(11,10,8,0.96) 0%, transparent 38%);
}
@keyframes heroDrift { from { transform: scale(1.04) translateY(0); } to { transform: scale(1.12) translateY(-2%); } }

.hero-inner {
  position: relative; z-index: 1;
  width: min(1240px, 100%); margin: 0 auto;
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.95fr);
  align-items: center; gap: clamp(28px, 5vw, 72px);
}
.hero-copy { max-width: 640px; }
.hero h1 {
  margin: 0 0 22px;
  font-size: clamp(52px, 8.4vw, 116px);
  line-height: 0.92; font-weight: 600; letter-spacing: -0.025em;
  text-wrap: balance;
}
.hero h1 span {
  font-style: italic; font-weight: 500;
  background: linear-gradient(100deg, var(--bronze-bright), var(--bronze) 45%, var(--cinnabar));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.lede { max-width: 560px; color: var(--ink-soft); font-size: clamp(16px, 1.6vw, 19px); line-height: 1.62; }

.ask { display: flex; gap: 10px; margin: 30px 0 12px; max-width: 560px; }
.ask input {
  flex: 1; min-width: 0; padding: 0 18px; height: 56px;
  border: 1px solid var(--line); border-radius: 14px;
  background: rgba(8, 7, 5, 0.55); color: var(--ink); font: inherit; font-size: 16px;
  backdrop-filter: blur(6px); transition: border-color 180ms ease, box-shadow 180ms ease;
}
.ask input::placeholder { color: var(--muted); }
.ask input:focus { outline: 0; border-color: var(--bronze); box-shadow: 0 0 0 4px rgba(201, 162, 90, 0.14); }
.ask button {
  flex: 0 0 auto; height: 56px; padding: 0 26px; cursor: pointer;
  border: 0; border-radius: 14px; font: inherit; font-weight: 600; font-size: 15.5px;
  color: #120d05; background: linear-gradient(135deg, var(--bronze-bright), var(--bronze) 60%, var(--bronze-deep));
  box-shadow: 0 14px 40px rgba(201, 162, 90, 0.28), inset 0 1px 0 rgba(255,255,255,0.4);
  transition: transform 160ms ease, box-shadow 160ms ease; white-space: nowrap;
}
.ask button:hover { transform: translateY(-2px); box-shadow: 0 20px 56px rgba(201, 162, 90, 0.4); }
.ask button:active { transform: translateY(0); }
.ask button.casting { animation: pulseGold 1s ease-in-out infinite; }
@keyframes pulseGold { 50% { box-shadow: 0 14px 48px rgba(240, 210, 143, 0.6); } }
.ask-hint { color: var(--muted); font-size: 13.5px; font-style: italic; max-width: 460px; }

/* ---------- ritual stage ---------- */
.stage { position: relative; }
.stage-frame {
  position: relative; padding: clamp(20px, 2.4vw, 30px);
  border: 1px solid var(--line); border-radius: 20px;
  background: linear-gradient(180deg, rgba(26, 21, 14, 0.78), rgba(13, 11, 8, 0.82));
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  overflow: hidden;
}
.stage-frame::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(80% 60% at 50% 0%, rgba(201, 162, 90, 0.12), transparent 70%);
}
.stage-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; position: relative; }
.stage-eyebrow { font-family: var(--mono); font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--bronze); }
.ghost-btn {
  padding: 7px 14px; border-radius: 999px; cursor: pointer; font: inherit; font-size: 12px; font-weight: 500;
  color: var(--muted); background: transparent; border: 1px solid var(--line-soft); transition: all 160ms ease;
}
.ghost-btn:hover { color: var(--ink); border-color: var(--line); }

.cast-area {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: clamp(8px, 1.6vw, 20px);
  margin: 14px 0 18px; min-height: 280px;
}
.hexcol { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.hexcol.changed { opacity: 0; transition: opacity 500ms ease; }
.hexcol.changed.show { opacity: 1; }
.hex {
  display: flex; flex-direction: column-reverse; justify-content: center; gap: clamp(9px, 1.4vw, 13px);
  width: 100%; max-width: 180px; min-height: 200px; padding: 4px;
}
.hexglyph { font-family: var(--han); font-size: clamp(34px, 4.6vw, 46px); color: var(--bronze-bright); line-height: 1; opacity: 0; transform: translateY(8px); transition: opacity 600ms ease, transform 600ms ease; text-shadow: 0 0 26px rgba(240, 210, 143, 0.35); }
.hexglyph.show { opacity: 1; transform: none; }

/* a single line of the hexagram */
.rline { position: relative; height: clamp(15px, 2vw, 19px); width: 100%; display: flex; gap: 14%; }
.rline.placeholder { opacity: 0.14; }
.rline.placeholder::before { content: ""; flex: 1; border-radius: 3px; background: var(--ink); }
.rline .bar {
  border-radius: 3px;
  background: linear-gradient(180deg, var(--bronze-bright), var(--bronze) 70%, var(--bronze-deep));
  box-shadow: 0 0 18px rgba(201, 162, 90, 0.35), inset 0 1px 0 rgba(255,255,255,0.4);
}
.rline.yang .bar { flex: 1; }
.rline.yin .bar { flex: 1; }
.rline.yin { gap: 16%; }
/* charging state — flickering seed before resolve */
.rline.charging { justify-content: center; }
.rline.charging::after {
  content: ""; height: 100%; width: 16%; border-radius: 3px;
  background: var(--bronze-bright);
  box-shadow: 0 0 14px var(--bronze-bright), 0 0 30px rgba(240, 210, 143, 0.7);
  animation: charge 480ms steps(2, end) infinite;
}
@keyframes charge {
  0% { width: 8%; opacity: 0.5; }
  50% { width: 90%; opacity: 1; }
  100% { width: 8%; opacity: 0.5; }
}
/* reveal animation when a bar resolves */
.rline .bar { animation: barIn 420ms cubic-bezier(.2,.7,.2,1) both; }
@keyframes barIn {
  0% { transform: scaleX(0.05); opacity: 0; filter: brightness(2.4); }
  60% { filter: brightness(1.8); }
  100% { transform: scaleX(1); opacity: 1; filter: brightness(1); }
}
.rline.changing .bar { background: linear-gradient(180deg, #f08a6a, var(--cinnabar) 70%, #9c2a18); box-shadow: 0 0 22px rgba(214, 73, 47, 0.55); }
.rline.changing::before {
  content: ""; position: absolute; left: 50%; top: 50%; width: 9px; height: 9px; border-radius: 50%;
  background: #ffd9b0; transform: translate(-50%, -50%); z-index: 2;
  box-shadow: 0 0 0 5px rgba(214, 73, 47, 0.28), 0 0 16px rgba(214, 73, 47, 0.9);
  animation: pulseDot 1.6s ease-in-out infinite;
}
@keyframes pulseDot { 50% { box-shadow: 0 0 0 9px rgba(214, 73, 47, 0.1), 0 0 22px rgba(214, 73, 47, 0.9); } }

.morph { display: flex; flex-direction: column; align-items: center; gap: 4px; opacity: 0; transition: opacity 500ms ease; color: var(--cinnabar); }
.morph.show { opacity: 1; }
.morph-arrow { font-size: 26px; }
.morph-label { font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }

.reading { position: relative; min-height: 120px; font-size: 15px; line-height: 1.6; color: var(--ink-soft); border-top: 1px solid var(--line-soft); padding-top: 16px; }
.reading-empty { color: var(--muted); font-size: 14px; }
.reading b { color: var(--ink); font-weight: 600; }
.reading .r-title { font-family: var(--display); font-size: 22px; color: var(--ink); margin-bottom: 4px; font-weight: 600; }
.reading .r-han { font-family: var(--han); color: var(--bronze-bright); }
.reading .r-row { margin: 0 0 11px; }
.reading .r-q { color: var(--ink); font-style: italic; border-left: 2px solid var(--bronze); padding-left: 12px; margin-bottom: 14px; }
.reading .r-label { display: block; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--bronze); margin-bottom: 3px; }
.reading .r-fade { animation: fadeUp 600ms ease both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* rich reading blocks (full Legge text) */
.reading .r-figure { margin: 0 0 14px; color: var(--ink-soft); }
.reading .r-figure b { color: var(--ink); }
.reading .r-block { margin: 0 0 16px; }
.reading .r-block > p { margin: 0; }
.reading .r-label { display: block; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--bronze); margin-bottom: 6px; }
.reading .r-line { margin: 0 0 12px; padding-left: 14px; border-left: 2px solid rgba(214,73,47,0.6); }
.reading .r-line:last-child { margin-bottom: 0; }
.reading .r-line-no { display: block; font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--cinnabar); margin-bottom: 3px; }
.reading .r-line p { margin: 0; color: var(--ink); }
.reading .r-relating { padding-top: 14px; border-top: 1px solid var(--line-soft); }
.reading .r-relating-title { font-family: var(--display); font-size: 19px; color: var(--ink); margin: 0 0 4px; font-weight: 600; }
.reading .r-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 14px; }
.reading .r-fulltext {
  cursor: pointer; font: inherit; font-size: 13px; font-weight: 600; padding: 10px 16px; border-radius: 10px;
  color: #120d05; background: linear-gradient(135deg, var(--bronze-bright), var(--bronze)); border: 0;
  transition: transform 150ms ease;
}
.reading .r-fulltext:hover { transform: translateY(-1px); }
.reading .r-fulltext.ghost { color: var(--ink); background: transparent; border: 1px solid var(--line); }
.reading .r-source { font-size: 11.5px; color: var(--muted); font-style: italic; margin: 0; }
.reading .r-source em { color: var(--ink-soft); }

/* ---------- hexagram detail modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200; display: grid; place-items: start center;
  padding: clamp(16px, 5vh, 64px) 16px; overflow-y: auto;
  background: rgba(5, 4, 3, 0.74); backdrop-filter: blur(8px);
  opacity: 0; transition: opacity 240ms ease;
}
.modal-overlay.show { opacity: 1; }
.modal {
  position: relative; width: min(720px, 100%); padding: clamp(24px, 4vw, 44px);
  border-radius: 22px; border: 1px solid var(--line);
  background: linear-gradient(180deg, #1a150e, #100c08);
  box-shadow: 0 50px 140px rgba(0,0,0,0.7); transform: translateY(16px) scale(0.98);
  transition: transform 260ms cubic-bezier(.2,.7,.2,1);
}
.modal-overlay.show .modal { transform: none; }
.modal-close {
  position: absolute; top: 16px; right: 16px; width: 38px; height: 38px; display: grid; place-items: center;
  border-radius: 50%; cursor: pointer; font-size: 22px; line-height: 1; color: var(--ink-soft);
  background: rgba(0,0,0,0.3); border: 1px solid var(--line-soft); transition: all 160ms ease;
}
.modal-close:hover { color: #120d05; background: var(--bronze); border-color: var(--bronze); }
.modal-head { display: grid; grid-template-columns: auto auto 1fr; align-items: center; gap: 18px; margin-bottom: 18px; }
.mh-figure { display: flex; flex-direction: column-reverse; gap: 5px; width: 52px; }
.mh-figure .rline { height: 9px; display: flex; gap: 16%; }
.mh-figure .rline .bar { flex: 1; border-radius: 2px; background: linear-gradient(180deg, var(--bronze-bright), var(--bronze) 70%, var(--bronze-deep)); }
.modal-glyph { font-family: var(--han); font-size: 56px; color: var(--bronze-bright); line-height: 1; text-shadow: 0 0 26px rgba(240,210,143,0.35); }
.modal-title .mh-num { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--bronze); }
.modal-title h3 { font-family: var(--display); font-size: clamp(26px, 3.4vw, 38px); margin: 4px 0 4px; font-weight: 600; }
.modal-title .mh-han { font-family: var(--han); color: var(--bronze-bright); }
.modal-title .mh-tri { margin: 0; color: var(--muted); font-size: 14px; }
.mh-note { color: var(--ink-soft); font-style: italic; font-size: 15px; padding: 14px 0; margin: 0 0 6px; border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.mh-block { margin: 20px 0; }
.mh-label { display: block; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--bronze); margin-bottom: 10px; }
.mh-block > p { margin: 0; color: var(--ink); line-height: 1.66; font-size: 15.5px; }
.mh-line { margin: 0 0 14px; padding-left: 16px; border-left: 2px solid var(--line); }
.mh-line.moving { border-left-color: var(--cinnabar); }
.mh-line-no { display: block; font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.mh-line.moving .mh-line-no { color: var(--cinnabar); }
.mh-line p { margin: 0; color: var(--ink-soft); line-height: 1.6; font-size: 15px; }
.mh-line.moving p { color: var(--ink); }
.mh-missing { color: var(--muted); font-style: italic; }
.mh-source { font-size: 12px; color: var(--muted); font-style: italic; margin: 18px 0 0; padding-top: 14px; border-top: 1px solid var(--line-soft); }
.mh-source em { color: var(--ink-soft); }

/* ---------- bands ---------- */
.band { position: relative; z-index: 1; width: min(1240px, calc(100% - 36px)); margin: 0 auto; padding: clamp(64px, 10vh, 130px) 0; }
.band-head { max-width: 760px; margin-bottom: 44px; }
.band-head h2 { font-size: clamp(34px, 5vw, 64px); line-height: 1; margin-bottom: 18px; letter-spacing: -0.02em; }
.band-sub { color: var(--ink-soft); font-size: clamp(15px, 1.5vw, 18px); line-height: 1.6; max-width: 680px; }
.trigram-band { border-top: 1px solid var(--line-soft); }

/* ---------- trigram carousel ---------- */
.carousel { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: stretch; gap: clamp(10px, 2vw, 22px); }
.car-nav {
  align-self: center; display: grid; place-items: center; width: 54px; height: 54px; flex: 0 0 auto;
  border-radius: 50%; cursor: pointer; font-size: 26px; font-family: var(--display);
  color: var(--bronze-bright); background: rgba(22, 18, 13, 0.7); border: 1px solid var(--line);
  transition: all 180ms ease;
}
.car-nav:hover { background: var(--bronze); color: #0b0a08; transform: scale(1.06); }
.car-stage { position: relative; min-height: 480px; }

.tcard {
  position: absolute; inset: 0; display: grid; grid-template-columns: 1.1fr 1fr;
  border-radius: 22px; overflow: hidden; border: 1px solid var(--line);
  box-shadow: var(--shadow); opacity: 0; transform: translateX(40px) scale(0.98); pointer-events: none;
  transition: opacity 520ms ease, transform 520ms cubic-bezier(.2,.7,.2,1);
}
.tcard.active { opacity: 1; transform: none; pointer-events: auto; position: relative; }
.tcard.leaving { opacity: 0; transform: translateX(-40px) scale(0.98); }
.tcard-visual { position: relative; display: flex; flex-direction: column; justify-content: space-between; padding: 30px; min-height: 480px; isolation: isolate; }
.tcard-visual::before { content: ""; position: absolute; inset: 0; z-index: -2; background-size: cover; background-position: center; transform: scale(1.02); transition: transform 8s ease; }
.tcard.active .tcard-visual::before { transform: scale(1.12); }
.tcard-visual::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(11,10,8,0.35) 0%, rgba(11,10,8,0.55) 55%, rgba(11,10,8,0.9) 100%); }
.tc-symbol { font-size: clamp(72px, 9vw, 120px); line-height: 1; color: var(--bronze-bright); text-shadow: 0 4px 40px rgba(0,0,0,0.7); }
.tc-id { display: flex; align-items: baseline; gap: 14px; }
.tc-han { font-family: var(--han); font-size: clamp(40px, 5vw, 60px); color: #fff; text-shadow: 0 2px 24px rgba(0,0,0,0.8); }
.tc-pinyin { font-family: var(--display); font-style: italic; font-size: 22px; color: var(--bronze-bright); }
.tc-wade { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; color: var(--ink-soft); }
.tc-image-name { font-family: var(--display); font-size: clamp(28px, 3.4vw, 40px); color: #fff; margin-top: 6px; text-shadow: 0 2px 20px rgba(0,0,0,0.8); }

.tcard-panel { display: flex; flex-direction: column; padding: clamp(22px, 2.4vw, 30px); background: var(--panel-solid); }
.tc-counter { font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.tc-lens { display: flex; flex-direction: column; padding: 16px 18px; border-radius: 14px; border: 1px solid var(--line-soft); background: rgba(201,162,90,0.04); }
.tc-lens-head { font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.tc-lens-label { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--bronze); margin-bottom: 6px; }
.tc-lens-value { font-family: var(--display); font-size: clamp(22px, 2.6vw, 30px); line-height: 1.1; color: var(--ink); margin-bottom: 7px; font-weight: 600; }
.tc-lens-gloss { color: var(--ink-soft); font-size: 14px; line-height: 1.55; }
.tc-lens-inner { animation: fadeUp 320ms ease both; min-height: 92px; }
.tc-lens-nav { display: flex; align-items: center; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.tc-essay { flex: 1; margin-top: 20px; }
.tc-essay-head { font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--bronze); margin-bottom: 10px; }
.tc-essay p { margin: 0; color: var(--ink-soft); font-size: 14.5px; line-height: 1.66; }
.lens-arrow {
  display: grid; place-items: center; width: 40px; height: 40px; flex: 0 0 auto; cursor: pointer;
  border-radius: 50%; font-size: 17px; color: var(--ink); background: transparent; border: 1px solid var(--line);
  transition: all 160ms ease;
}
.lens-arrow:hover { background: var(--bronze); color: #0b0a08; border-color: var(--bronze); }
.lens-progress { display: flex; gap: 5px; flex: 1; flex-wrap: wrap; }
.lens-tick { height: 4px; flex: 1; min-width: 8px; border-radius: 2px; background: var(--line); transition: background 200ms ease; cursor: pointer; }
.lens-tick.on { background: var(--bronze); }
.tc-correspond { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--line-soft); display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px 18px; }
.tc-corr { }
.tc-corr b { display: block; font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin-bottom: 2px; }
.tc-corr span { font-size: 14px; color: var(--ink-soft); }

.car-dots { display: flex; justify-content: center; gap: 9px; margin-top: 26px; }
.car-dot { width: 9px; height: 9px; border-radius: 50%; cursor: pointer; background: var(--line); border: 0; padding: 0; transition: all 200ms ease; }
.car-dot.on { background: var(--bronze); transform: scale(1.3); box-shadow: 0 0 12px rgba(201,162,90,0.6); }

/* ---------- hexagram list ---------- */
.hex-search { margin-top: 26px; max-width: 460px; }
.hex-search input {
  width: 100%; height: 50px; padding: 0 18px; border-radius: 12px; font: inherit; font-size: 15px;
  color: var(--ink); background: rgba(8,7,5,0.5); border: 1px solid var(--line);
}
.hex-search input:focus { outline: 0; border-color: var(--bronze); box-shadow: 0 0 0 4px rgba(201,162,90,0.12); }
.hex-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.hex-card {
  position: relative; padding: 20px; border-radius: 16px; border: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(24,19,13,0.55), rgba(14,11,8,0.55));
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease; overflow: hidden;
}
.hex-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: linear-gradient(var(--bronze), transparent); opacity: 0; transition: opacity 200ms ease; }
.hex-card:hover { transform: translateY(-4px); border-color: var(--line); box-shadow: 0 24px 60px rgba(0,0,0,0.5); }
.hex-card:hover::before { opacity: 1; }
.hex-card.dim { opacity: 0.16; filter: grayscale(0.6); }
.hex-card .hx-top { display: flex; align-items: baseline; gap: 10px; margin-bottom: 8px; }
.hex-card .hx-num { font-family: var(--mono); font-size: 12px; color: var(--bronze); }
.hex-card .hx-glyph { font-family: var(--han); font-size: 26px; color: var(--bronze-bright); line-height: 1; }
.hex-card .hx-han { font-family: var(--han); font-size: 16px; color: var(--jade); margin-left: auto; }
.hex-card h3 { font-family: var(--display); font-size: 18px; margin: 0 0 8px; font-weight: 600; }
.hex-card p { font-size: 13.5px; line-height: 1.5; color: var(--muted); margin: 0 0 12px; }
.hex-card .hx-more { margin-top: auto; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--bronze); opacity: 0.7; transition: opacity 180ms ease; }
.hex-card:hover .hx-more { opacity: 1; }
.hex-card { cursor: pointer; display: flex; flex-direction: column; }
.hex-empty { grid-column: 1 / -1; color: var(--muted); text-align: center; padding: 30px; font-style: italic; }

/* ---------- about ---------- */
.about { border-top: 1px solid var(--line-soft); }
.about-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(24px, 4vw, 64px); align-items: start; }
.about-grid h2 { font-size: clamp(30px, 4vw, 52px); line-height: 1; letter-spacing: -0.02em; }
.about-copy p { color: var(--ink-soft); font-size: 16.5px; line-height: 1.72; margin-bottom: 18px; }
.about-copy em { color: var(--bronze-bright); font-style: italic; }
.about-copy b { color: var(--ink); font-weight: 600; }
.crawler-list { margin-top: 70px; padding-top: 30px; border-top: 1px solid var(--line-soft); color: var(--muted); }
.crawler-list h3 { font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--bronze); font-weight: 500; }
.crawler-list p { font-size: 12.5px; line-height: 1.9; }

/* ---------- footer ---------- */
.footer { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr auto; gap: 22px 40px; align-items: center; width: min(1240px, calc(100% - 36px)); margin: 0 auto; padding: 48px 0 64px; border-top: 1px solid var(--line); }
.foot-main { display: flex; align-items: center; gap: 16px; }
.foot-main .brand-mark { font-size: 34px; }
.foot-main strong { font-family: var(--display); font-size: 19px; }
.foot-main p { margin: 4px 0 0; color: var(--muted); font-size: 14px; max-width: 480px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; font-weight: 500; font-size: 14px; color: var(--ink-soft); }
.source-note { grid-column: 1 / -1; color: var(--muted); font-size: 12.5px; line-height: 1.6; max-width: 880px; }
.source-note em { color: var(--ink-soft); font-style: italic; }

/* ---------- responsive ---------- */
@media (max-width: 1040px) {
  .hero-inner { grid-template-columns: 1fr; gap: 38px; }
  .hero { min-height: auto; padding-top: 120px; }
  .hero-copy { max-width: 720px; }
  .about-grid { grid-template-columns: 1fr; }
  .hex-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .nav { gap: 14px; font-size: 13px; }
  .nav a:not(.hire):not(.hire) { display: none; }
  .nav .hire { display: inline-block; }
  .tcard { grid-template-columns: 1fr; }
  .tcard-visual { min-height: 300px; }
  .car-stage { min-height: 0; }
  .car-nav { width: 46px; height: 46px; }
  .hex-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer { grid-template-columns: 1fr; }
  .cast-area { gap: 6px; }
  .modal-head { grid-template-columns: auto 1fr; }
  .modal-glyph { display: none; }
}
@media (max-width: 560px) {
  .tc-correspond { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .ask { flex-direction: column; }
  .ask button { width: 100%; }
  .hex-list { grid-template-columns: 1fr; }
  .brand-name { font-size: 16px; }
  .modal { padding: 22px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-bg { animation: none; }
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 80ms !important; }
}