/* FuneralAI Web4 — static rebuild */
:root {
  --bg: #080808;
  --bg-2: #0f0f0f;
  --bg-3: #141414;
  --bg-card: #111111;
  --border: #262626;
  --text: #e8e6e3;
  --text-dim: #9f9b93;
  --text-muted: #6b6862;
  --accent: #c52f2f;
  --accent-2: #ff4d4d;
  --gold: #d4a017;
  --company: #457b9d;
  --product: #c52f2f;
  --person: #d4a017;
  --vc: #2a9d8f;
  --font-display: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Sarasa Mono SC", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-2); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent); text-decoration: underline; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(8,8,8,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); }
.brand-mark {
  width: 36px; height: 36px; border: 2px solid var(--accent);
  display: grid; place-items: center; font-weight: 900; color: var(--accent);
  transform: rotate(45deg); font-size: 14px;
}
.brand-mark span { transform: rotate(-45deg); }
.brand-text { font-size: 1.25rem; font-weight: 900; letter-spacing: 0.05em; color: var(--text); }
.brand-text small { display: block; font-size: 0.6rem; color: var(--text-muted); letter-spacing: 0.12em; font-family: var(--font-mono); }
.main-nav { display: flex; gap: 28px; font-size: 0.95rem; }
.main-nav a { color: var(--text-dim); font-weight: 600; }
.main-nav a:hover, .main-nav a.active { color: var(--accent-2); }

.hero {
  position: relative;
  padding: 120px 0 100px;
  background:
    radial-gradient(circle at 20% 30%, rgba(197,47,47,0.12), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(212,160,23,0.08), transparent 40%),
    var(--bg-2);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.hero::before {
  content: "葬";
  position: absolute; right: 5%; top: 50%;
  transform: translateY(-50%);
  font-size: 28vw; font-weight: 900;
  color: rgba(197,47,47,0.04);
  font-family: var(--font-display);
  pointer-events: none; user-select: none;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 5.5rem);
  margin: 0 0 24px;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.hero h1 em { color: var(--accent-2); font-style: normal; }
.hero p.lead {
  max-width: 720px;
  font-size: 1.25rem; color: var(--text-dim); margin: 0 0 40px;
}
.hero .cta { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border: 1px solid var(--border);
  background: var(--bg-card); color: var(--text);
  font-weight: 700; font-size: 0.95rem;
  transition: all 0.2s;
}
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-2); border-color: var(--accent-2); color: #fff; text-decoration: none; }
.btn:hover { background: var(--bg-3); text-decoration: none; }

.stats-bar {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1px;
  background: var(--border); border-top: 1px solid var(--border);
}
.stat { background: var(--bg); padding: 32px 24px; text-align: center; }
.stat-number { display: block; font-size: 2.5rem; font-weight: 900; color: var(--accent-2); font-family: var(--font-display); }
.stat-label { font-size: 0.85rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.1em; }

.section { padding: 80px 0; border-bottom: 1px solid var(--border); }
.section-title {
  font-family: var(--font-display);
  font-size: 2rem; margin: 0 0 16px;
  display: flex; align-items: baseline; gap: 12px;
}
.section-title::before {
  content: ""; display: block; width: 8px; height: 32px; background: var(--accent);
}
.section-desc { color: var(--text-dim); margin: 0 0 40px; max-width: 720px; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  padding: 28px; transition: transform 0.2s, border-color 0.2s;
}
.card:hover { transform: translateY(-3px); border-color: var(--accent); }
.card h3 { margin: 0 0 12px; font-size: 1.25rem; }
.card p { margin: 0; color: var(--text-dim); font-size: 0.95rem; }
.card .meta { font-size: 0.8rem; color: var(--text-muted); margin-top: 16px; font-family: var(--font-mono); }

.site-footer {
  padding: 48px 0; text-align: center; color: var(--text-muted);
  border-top: 1px solid var(--border); background: var(--bg-2);
}
.site-footer .brand-text { justify-content: center; margin-bottom: 12px; }

/* Article list */
.filter-bar {
  display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 32px;
  padding: 20px; background: var(--bg-card); border: 1px solid var(--border);
}
.filter-bar input, .filter-bar select {
  background: var(--bg-2); color: var(--text); border: 1px solid var(--border);
  padding: 10px 14px; font-size: 0.95rem; min-width: 220px;
}
.filter-bar input:focus, .filter-bar select:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
.article-list { display: flex; flex-direction: column; gap: 16px; }
.article-item {
  display: grid; grid-template-columns: 80px 1fr auto; gap: 20px;
  align-items: center; padding: 24px; background: var(--bg-card);
  border: 1px solid var(--border); transition: border-color 0.2s;
}
.article-item:hover { border-color: var(--accent); }
.article-item .num { font-family: var(--font-mono); color: var(--text-muted); font-size: 0.85rem; }
.article-item h3 { margin: 0 0 6px; font-size: 1.15rem; }
.article-item .byline { font-size: 0.85rem; color: var(--text-dim); }
.article-item .date { font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-muted); text-align: right; }
@media (max-width: 640px) {
  .article-item { grid-template-columns: 1fr; gap: 8px; }
  .article-item .date { text-align: left; }
  .main-nav { gap: 16px; font-size: 0.85rem; }
}

/* Article page */
.article-hero { padding: 80px 0 40px; background: var(--bg-2); border-bottom: 1px solid var(--border); }
.article-hero h1 { font-family: var(--font-display); font-size: clamp(1.8rem, 5vw, 3rem); margin: 0 0 20px; line-height: 1.25; }
.article-meta { display: flex; gap: 20px; color: var(--text-dim); font-size: 0.95rem; flex-wrap: wrap; }
.article-meta .author { color: var(--accent-2); font-weight: 700; }
.article-body { padding: 60px 0; max-width: 780px; margin: 0 auto; }
.article-body h2 { font-family: var(--font-display); font-size: 1.6rem; margin: 48px 0 20px; border-left: 4px solid var(--accent); padding-left: 16px; }
.article-body h3 { font-size: 1.25rem; margin: 32px 0 14px; color: var(--text); }
.article-body p { margin: 0 0 20px; color: var(--text-dim); }
.article-body strong { color: var(--text); }
.article-body a { color: var(--accent-2); }
.article-body blockquote {
  margin: 28px 0; padding: 20px 24px; background: var(--bg-card);
  border-left: 4px solid var(--gold); color: var(--text-dim); font-style: italic;
}
.article-body ul, .article-body ol { margin: 0 0 20px; padding-left: 24px; color: var(--text-dim); }
.article-body li { margin-bottom: 8px; }
.article-body code { background: var(--bg-3); padding: 2px 6px; border-radius: 4px; font-family: var(--font-mono); font-size: 0.9em; color: var(--gold); }
.article-body pre { background: var(--bg-3); padding: 20px; overflow-x: auto; border: 1px solid var(--border); }
.article-body pre code { background: transparent; padding: 0; color: var(--text); }
.article-body img { max-width: 100%; height: auto; border: 1px solid var(--border); }
.article-nav { display: flex; justify-content: space-between; margin-top: 60px; padding-top: 32px; border-top: 1px solid var(--border); }

/* Graph page */
.graph-layout { display: grid; grid-template-columns: 1fr 360px; gap: 20px; height: calc(100vh - 65px); }
#graph-canvas { background: var(--bg-2); border-right: 1px solid var(--border); position: relative; overflow: hidden; }
#graph-canvas svg { width: 100%; height: 100%; cursor: grab; }
#graph-canvas svg:active { cursor: grabbing; }
.graph-sidebar { background: var(--bg-card); border-left: 1px solid var(--border); overflow-y: auto; padding: 24px; }
.graph-sidebar h2 { margin-top: 0; font-family: var(--font-display); font-size: 1.4rem; }
.legend { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; }
.legend-item { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text-dim); }
.legend-dot { width: 12px; height: 12px; border-radius: 50%; }
.leaderboard { margin-bottom: 32px; }
.leaderboard h3 { font-size: 1rem; margin: 0 0 12px; color: var(--text); text-transform: uppercase; letter-spacing: 0.05em; }
.leaderboard table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.leaderboard th, .leaderboard td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--border); }
.leaderboard th { color: var(--text-muted); font-weight: 600; }
.leaderboard tr:hover td { color: var(--text); }
.graph-controls { position: absolute; top: 16px; left: 16px; display: flex; gap: 8px; z-index: 10; }
.graph-controls button { background: var(--bg-card); border: 1px solid var(--border); color: var(--text); padding: 8px 12px; font-size: 0.85rem; cursor: pointer; }
.graph-controls button:hover { border-color: var(--accent); }
.node-info h4 { margin: 0 0 8px; font-size: 1.1rem; }
.node-info .type-tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 0.75rem; font-weight: 700; margin-bottom: 12px; text-transform: uppercase; }
.node-info p { color: var(--text-dim); font-size: 0.9rem; line-height: 1.6; }
.node-info .stat-row { display: flex; gap: 16px; margin: 16px 0; font-size: 0.85rem; }
.node-info .stat-row span { color: var(--text-muted); }
.node-info .stat-row strong { color: var(--text); }
@media (max-width: 900px) {
  .graph-layout { grid-template-columns: 1fr; grid-template-rows: 60vh auto; height: auto; }
  #graph-canvas { border-right: none; border-bottom: 1px solid var(--border); }
}