/* BODHI · E01 恒伽达 · 投资人/审稿人 deck
   Design: cinematic-historical-epic + 经卷质感
   Dark warm charcoal + gold leaf + cream — restrained, not kitschy
*/

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@300;400;500;600;700;900&family=Noto+Sans+SC:wght@300;400;500;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #0d0a07;
  --bg-elev: #18120c;
  --bg-card: #1f1810;
  --ink: #ede2c9;
  --ink-dim: #b8a684;
  --ink-faint: #6a5a44;
  --gold: #c8a04a;
  --gold-bright: #e0bc6a;
  --gold-deep: #8a6a2a;
  --crimson: #a84432;
  --crimson-deep: #6e2818;
  --line: rgba(200, 160, 74, 0.18);
  --line-strong: rgba(200, 160, 74, 0.4);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  --serif: "Noto Serif SC", "Songti SC", "Source Han Serif SC", "STSong", serif;
  --sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif;
  --mono: "JetBrains Mono", "Consolas", monospace;
}

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

html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse 1200px 600px at 50% -100px, rgba(200, 160, 74, 0.08), transparent 60%),
    radial-gradient(ellipse 800px 400px at 50% 110%, rgba(168, 68, 50, 0.05), transparent 70%);
}

a { color: var(--gold); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--gold-bright); }

/* ───────── slide layout ───────── */

.slide {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 60px 24px;
}

.slide-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 36px;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}
.slide-head .brand {
  color: var(--gold);
  font-weight: 500;
}
.slide-head .brand::before {
  content: "❖ ";
  color: var(--gold-deep);
  margin-right: 4px;
}
.slide-head .meta { color: var(--ink-dim); }

.slide-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.slide-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  margin-top: 36px;
  border-top: 1px solid var(--line);
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-faint);
}
.slide-foot a {
  color: var(--ink-dim);
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 2px;
  letter-spacing: 0.05em;
  transition: all 0.2s;
}
.slide-foot a:hover {
  color: var(--gold-bright);
  border-color: var(--line-strong);
  background: rgba(200, 160, 74, 0.05);
}
.slide-foot .nav-home { font-weight: 500; }
.slide-foot .page-num {
  font-family: var(--mono);
  letter-spacing: 0.15em;
  color: var(--gold);
}

/* ───────── typography ───────── */

.eyebrow {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

.slide h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.slide h1 .accent { color: var(--gold-bright); }
.slide h1 .sub {
  display: block;
  font-size: 20px;
  font-weight: 400;
  color: var(--ink-dim);
  margin-top: 14px;
  letter-spacing: 0.05em;
}

.slide h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--gold);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 12px;
}
.slide h2::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--gold);
}

.slide h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}

p { font-size: 15.5px; color: var(--ink); }
p.lede { font-size: 18px; line-height: 1.8; color: var(--ink); }
p.muted { color: var(--ink-dim); }

/* ───────── reusable cards / grids ───────── */

.divider {
  border: 0;
  border-top: 1px solid var(--line);
  margin: 16px 0;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 22px 24px;
}
.card.subtle { background: rgba(255, 255, 255, 0.015); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.grid-6 { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }

.tag {
  display: inline-block;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding: 3px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  color: var(--gold);
  background: rgba(200, 160, 74, 0.06);
}
.tag.crimson {
  border-color: rgba(168, 68, 50, 0.4);
  color: #d97a68;
  background: rgba(168, 68, 50, 0.06);
}
.tag.dim {
  border-color: var(--line);
  color: var(--ink-faint);
  background: transparent;
}

/* ───────── tables ───────── */

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}
table th, table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
table th {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--gold);
  text-transform: uppercase;
  border-bottom-color: var(--line-strong);
  background: rgba(200, 160, 74, 0.03);
}
table td.num {
  font-family: var(--mono);
  color: var(--gold-bright);
  font-size: 13.5px;
}
table tr:last-child td { border-bottom: none; }

/* ───────── character / image cells ───────── */

.figure {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.figure img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform 0.4s;
}
.figure:hover img { transform: scale(1.04); }
.figure .caption {
  padding: 10px 14px 12px;
  border-top: 1px solid var(--line);
}
.figure .caption h4 {
  font-size: 14.5px;
  color: var(--gold-bright);
  font-weight: 600;
  margin-bottom: 2px;
}
.figure .caption p {
  font-family: var(--sans);
  font-size: 11.5px;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
  line-height: 1.5;
}

.figure-wide img {
  aspect-ratio: 16 / 9;
  object-position: center;
}

/* ───────── timeline (剧情走向) ───────── */

.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: var(--line-strong);
}
.beat {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 18px 0;
  position: relative;
}
.beat:not(:last-child) { border-bottom: 1px dashed var(--line); }
.beat .marker {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 0.05em;
  position: relative;
  padding-left: 28px;
}
.beat .marker::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px var(--bg);
}
.beat .body h3 {
  font-size: 17px;
  color: var(--ink);
}
.beat .body p {
  color: var(--ink-dim);
  font-size: 14.5px;
  margin-top: 4px;
}
.beat .body .dharma {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--sans);
  font-size: 11.5px;
  color: var(--gold);
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-left: 2px solid var(--gold);
}

/* ───────── pipeline (技术路线) ───────── */

.pipeline {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
}
.pipeline .role {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-top: 2px solid var(--gold);
  padding: 16px 12px;
  text-align: center;
  position: relative;
}
.pipeline .role:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gold);
  font-size: 14px;
  z-index: 1;
}
.pipeline .role .num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 0.15em;
}
.pipeline .role h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin: 6px 0 4px;
}
.pipeline .role p {
  font-family: var(--sans);
  font-size: 11px;
  color: var(--ink-faint);
  line-height: 1.5;
}

/* ───────── cost breakdown ───────── */

.cost-bar {
  height: 32px;
  display: flex;
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid var(--line);
  margin: 16px 0 24px;
}
.cost-bar > div {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 11px;
  color: rgba(0, 0, 0, 0.7);
  font-weight: 500;
  letter-spacing: 0.05em;
}

/* ───────── video sample ───────── */

video {
  width: 100%;
  display: block;
  background: #000;
  border-radius: 3px;
}

/* ───────── INDEX-specific ───────── */

.index-page { padding: 60px 60px 40px; }

.hero {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 36px 0 60px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 50px;
}
.hero .text .eyebrow { font-size: 13px; }
.hero h1 {
  font-size: 64px;
  line-height: 1.1;
  font-weight: 900;
  margin: 12px 0 22px;
  letter-spacing: -0.01em;
}
.hero h1 .lang {
  display: block;
  font-size: 18px;
  font-weight: 400;
  color: var(--gold);
  letter-spacing: 0.3em;
  margin-top: 14px;
  text-transform: uppercase;
}
.hero p.lede {
  font-size: 17px;
  color: var(--ink-dim);
  line-height: 1.85;
  margin-bottom: 28px;
}
.hero .meta-row {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 28px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  border-top: 1px solid var(--line);
  padding-top: 18px;
  margin-top: 8px;
}
.hero .meta-row .item .label {
  display: block;
  text-transform: uppercase;
  font-size: 10px;
  margin-bottom: 4px;
  color: var(--gold-deep);
  letter-spacing: 0.18em;
}
.hero .meta-row .item .value { color: var(--ink); font-weight: 500; }
.hero .visual {
  border: 1px solid var(--line-strong);
  background: var(--bg-card);
  aspect-ratio: 3 / 4;
  position: relative;
  overflow: hidden;
}
.hero .visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}
.hero .visual .stamp {
  position: absolute;
  bottom: 14px;
  right: 16px;
  background: rgba(13, 10, 7, 0.85);
  border: 1px solid var(--gold);
  padding: 6px 12px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 0.15em;
}

.toc {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 56px;
}
.toc-item {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 18px;
  align-items: baseline;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  transition: all 0.25s;
}
.toc-item:hover {
  border-bottom-color: var(--gold);
  padding-left: 8px;
}
.toc-item .num {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 0.05em;
}
.toc-item .title {
  font-size: 17px;
  color: var(--ink);
  font-weight: 500;
}
.toc-item .desc {
  display: block;
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--ink-faint);
  margin-top: 3px;
  font-weight: 400;
  letter-spacing: 0.02em;
}
.toc-item .arrow {
  color: var(--ink-faint);
  font-size: 16px;
  transition: all 0.25s;
}
.toc-item:hover .arrow { color: var(--gold); transform: translateX(4px); }
.toc-item:hover .title { color: var(--gold-bright); }

/* ───────── decorative ───────── */

.flourish {
  text-align: center;
  color: var(--gold-deep);
  font-size: 18px;
  margin: 8px 0;
  letter-spacing: 0.5em;
}
.flourish::before { content: "❖ ❖ ❖"; }

.canon-quote {
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: 16.5px;
  line-height: 2.0;
  color: var(--ink);
  border-left: 2px solid var(--gold);
  padding: 8px 22px;
  background: linear-gradient(to right, rgba(200, 160, 74, 0.05), transparent 60%);
  font-feature-settings: "vert" on;
}
.canon-quote .src {
  display: block;
  font-family: var(--sans);
  font-size: 12px;
  color: var(--ink-faint);
  margin-top: 10px;
  letter-spacing: 0.05em;
}

ul.bullets {
  list-style: none;
  padding: 0;
}
ul.bullets li {
  padding: 6px 0 6px 20px;
  position: relative;
  color: var(--ink);
}
ul.bullets li::before {
  content: "·";
  color: var(--gold);
  position: absolute;
  left: 6px;
  font-weight: 700;
  font-size: 18px;
  top: 2px;
}

/* utility */
.mono { font-family: var(--mono); }
.gold { color: var(--gold); }
.dim { color: var(--ink-dim); }
.faint { color: var(--ink-faint); }
.center { text-align: center; }
.mt-sm { margin-top: 12px; }
.mt-md { margin-top: 20px; }
.mt-lg { margin-top: 32px; }

/* responsive: collapse on narrow viewports */
@media (max-width: 980px) {
  .slide, .index-page { padding: 28px 22px; }
  .hero { grid-template-columns: 1fr; gap: 32px; }
  .hero h1 { font-size: 44px; }
  .toc { grid-template-columns: 1fr; gap: 0; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-5, .grid-6 { grid-template-columns: repeat(3, 1fr); }
  .pipeline { grid-template-columns: 1fr; }
  .pipeline .role:not(:last-child)::after { display: none; }
  .slide h1 { font-size: 32px; }
}