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

:root {
  --bg: #0A0A0A;
  --card: #111111;
  --border: #222222;
  --gold: #C9A84C;
  --gold-muted: #C9A84C22;
  --ink: #FAF7F2;
  --ink-secondary: #C8BFB5;
  --ink-muted: #7A7068;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

/* ── Header ── */
header {
  text-align: center;
  margin-bottom: 56px;
}

.logo { font-size: 56px; display: block; margin-bottom: 16px; }

header h1 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--ink);
}

.sub {
  margin-top: 6px;
  font-size: 14px;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* ── Back link ── */
.back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--gold);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 40px;
  opacity: 0.85;
  transition: opacity 0.15s;
}
.back:hover { opacity: 1; }

/* ── Index cards ── */
.card-grid { display: flex; flex-direction: column; gap: 12px; }

.card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 20px;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.15s, background 0.15s;
}
.card:hover {
  border-color: var(--gold);
  background: var(--gold-muted);
}

.card-icon { font-size: 28px; flex-shrink: 0; }

.card h2 { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.card p  { font-size: 13px; color: var(--ink-muted); }

.arrow {
  margin-left: auto;
  font-size: 20px;
  color: var(--ink-muted);
  flex-shrink: 0;
}

/* ── Document page ── */
.doc-header {
  margin-bottom: 48px;
}

.doc-header h1 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
}

.doc-meta {
  font-size: 13px;
  color: var(--ink-muted);
}

.doc-body h2 {
  font-size: 16px;
  font-weight: 700;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 40px 0 12px;
}

.doc-body h2:first-child { margin-top: 0; }

.doc-body p {
  font-size: 15px;
  color: var(--ink-secondary);
  margin-bottom: 14px;
}

.doc-body ul {
  padding-left: 20px;
  margin-bottom: 14px;
}

.doc-body li {
  font-size: 15px;
  color: var(--ink-secondary);
  margin-bottom: 6px;
}

.doc-body a {
  color: var(--gold);
  text-decoration: none;
}
.doc-body a:hover { text-decoration: underline; }

.divider {
  height: 1px;
  background: var(--border);
  margin: 48px 0;
}

/* ── Footer ── */
footer {
  margin-top: 80px;
  text-align: center;
  font-size: 13px;
  color: var(--ink-muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

footer a { color: var(--gold); text-decoration: none; }
footer a:hover { text-decoration: underline; }

@media (max-width: 600px) {
  .container { padding: 40px 16px 60px; }
  header h1 { font-size: 26px; }
  .doc-header h1 { font-size: 22px; }
}