/* ===== Дополнения СЕО-движка: крошки, оглавление, темы, перелинковка ===== */

.breadcrumbs {
  font-size: 14px; color: var(--muted-2);
  margin: 0 0 18px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
}
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--accent-2); }
.breadcrumbs .sep { opacity: .45; }

h1 { font-size: 34px; line-height: 1.2; margin: 6px 0 14px; letter-spacing: -0.02em; }
.page-h1 { font-size: 32px; margin: 40px 0 10px; letter-spacing: -0.02em; }
.page-lead { color: var(--muted); max-width: 62ch; margin: 0 0 26px; }

.toc {
  background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px 22px; margin: 26px 0 30px;
}
.toc-title { margin: 0 0 10px; font-size: 13px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted-2); }
.toc ol { margin: 0; padding-left: 20px; color: var(--muted); }
.toc li { margin: 5px 0; }
.toc a { color: var(--text); text-decoration: none; }
.toc a:hover { color: var(--accent-2); }

.content a.ctx-link {
  color: var(--accent-2);
  text-decoration: underline;
  text-decoration-color: var(--accent-soft);
  text-underline-offset: 3px;
}
.content a.ctx-link:hover { text-decoration-color: var(--accent); }

.topics-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 34px; }
.topic-chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 14px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--card);
  color: var(--text); font-size: 14px; text-decoration: none;
  transition: border-color .15s, background .15s;
}
.topic-chip:hover { border-color: var(--accent); background: var(--card-hover); text-decoration: none; }
.topic-chip span { color: var(--muted-2); font-size: 12px; }

a.tag { text-decoration: none; }
a.tag:hover { color: var(--accent); }

.related { margin: 46px 0 10px; }
.related h2 { font-size: 21px; margin: 0 0 16px; }
.related-list { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.related-card {
  display: flex; flex-direction: column; gap: 7px;
  padding: 16px 18px; border: 1px solid var(--border);
  border-radius: 14px; background: var(--card); text-decoration: none;
  transition: border-color .15s, background .15s, transform .15s;
}
.related-card:hover { border-color: var(--accent); background: var(--card-hover); transform: translateY(-2px); text-decoration: none; }
.related-card .tag { font-size: 11px; }
.related-title { color: var(--text); font-weight: 600; line-height: 1.35; }
.related-sub { color: var(--muted-2); font-size: 14px; line-height: 1.45; }

.footer-topics { font-size: 14px; margin: 6px 0 14px; color: var(--muted-2); }
.footer-topics a { color: var(--muted); }

@media (max-width: 640px) {
  h1 { font-size: 27px; }
  .page-h1 { font-size: 25px; }
  .related-list { grid-template-columns: 1fr; }
}