/* =========================================================
   /topic/[slug]/ — shared layout for sub-chapter pages.
   ========================================================= */

.topic-hero {
  max-width: 880px; margin: 0 auto;
  padding: 160px 32px 24px;
}
.topic-hero .eyebrow { color: var(--ink-gold); }
.topic-hero h1 {
  font-family: 'Inter Tight', sans-serif;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 0.92;
  font-size: clamp(48px, 7vw, 96px);
  color: var(--ink-paper);
  margin: 14px 0 0;
}
.topic-hero .crumbs { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-mute); margin-top: 24px; }
.topic-hero .crumbs a { color: var(--ink-gold); text-decoration: none; }

.topic-body { max-width: 720px; margin: 56px auto 0; padding: 0 32px; }
.topic-body h2 {
  font-family: 'Inter Tight', sans-serif; font-weight: 800;
  letter-spacing: -0.025em;
  font-size: clamp(22px, 3vw, 32px);
  color: var(--ink-paper);
  margin: 48px 0 16px;
}
.topic-body h2 .k {
  font-family: 'JetBrains Mono', monospace; font-size: 10.5px; color: var(--ink-gold);
  letter-spacing: 0.14em; text-transform: uppercase;
  display: block; margin-bottom: 6px; font-weight: 500;
}
.topic-body p {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 17px; line-height: 1.65;
  color: var(--ink-fawn);
  margin: 0 0 20px;
}
.topic-body p strong { color: var(--ink-paper); }
.topic-body p em { color: var(--ink-gold); font-style: italic; }

.topic-hook {
  background: var(--ink-graphite);
  border-left: 3px solid var(--ink-gold);
  padding: 22px 26px;
}
.topic-hook p:last-child { margin-bottom: 0; }

.topic-cta {
  max-width: 720px; margin: 56px auto 0; padding: 28px 32px;
  border-top: 1px solid var(--hairline-warm);
  border-bottom: 1px solid var(--hairline-warm);
  display: flex; gap: 18px; flex-wrap: wrap; align-items: center; justify-content: space-between;
}
.topic-cta p { margin: 0; font-family: 'Source Serif 4', Georgia, serif; font-style: italic; color: var(--ink-stone); max-width: 420px; }
.topic-cta .actions { display: flex; gap: 14px; flex-wrap: wrap; }

.topic-nav {
  max-width: 720px; margin: 56px auto 0; padding: 0 32px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
@media (max-width: 540px) { .topic-nav { grid-template-columns: 1fr; } }
.topic-nav a {
  display: block;
  background: var(--ink-graphite);
  border: 1px solid var(--hairline-warm);
  padding: 18px 22px;
  text-decoration: none;
  transition: border-color .15s, background .15s;
}
.topic-nav a:hover { border-color: var(--ink-gold); background: var(--ink-hover); }
.topic-nav a .k { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; letter-spacing: 0.14em; color: var(--ink-mute); text-transform: uppercase; }
.topic-nav a .v { font-family: 'Inter Tight', sans-serif; font-weight: 700; font-size: 18px; letter-spacing: -0.02em; color: var(--ink-paper); margin-top: 6px; }
.topic-nav a.next { text-align: right; }

.topic-meta {
  max-width: 720px; margin: 56px auto 0; padding: 0 32px;
  font-family: 'JetBrains Mono', monospace; font-size: 10.5px;
  letter-spacing: 0.10em; color: var(--ink-mute); text-transform: uppercase;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}

.topic-stub {
  max-width: 720px; margin: 80px auto 0; padding: 32px;
  border: 1px dashed rgba(202,164,114,0.30);
  text-align: center;
}
.topic-stub .v { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; letter-spacing: 0.14em; color: var(--ink-gold); text-transform: uppercase; }
.topic-stub p { font-family: 'Source Serif 4', Georgia, serif; font-style: italic; color: var(--ink-stone); margin: 12px 0 22px; }