/* ==========================================================================
   article.css: typography for article / guide pages
   ========================================================================== */

.article-header {
  padding: 48px 0 32px;
  border-bottom: 1px solid var(--border-soft);
}

.article-header .eyebrow { display: block; margin-bottom: 12px; }

.article-header h1 { margin-bottom: 16px; }

.article-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-faint);
}

.article-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 68ch);
  gap: 56px;
  padding: 40px 0 64px;
}

.article-toc {
  position: sticky;
  top: 88px;
  align-self: start;
  font-size: 0.85rem;
}

.article-toc h4 {
  color: var(--text-faint);
  font-size: 0.75rem;
  margin-bottom: 10px;
}

.article-toc ul { display: grid; gap: 8px; }
.article-toc a { color: var(--text-muted); display: block; padding: 2px 0; }
.article-toc a.is-active { color: var(--teal); }
.article-toc a:hover, .article-toc a:focus-visible { color: var(--text); }

.article-toc .toc-sub { padding-left: 14px; margin-top: 6px; }

.article-body { font-size: 1.05rem; }

.article-body > * + * { margin-top: 20px; }

.article-body h2 {
  margin-top: 48px;
  padding-top: 4px;
  scroll-margin-top: 88px;
}

.article-body h3 {
  margin-top: 32px;
  scroll-margin-top: 88px;
}

.article-body p { color: var(--text); line-height: 1.7; }

.article-body a {
  color: var(--teal);
  text-decoration: underline;
  text-decoration-color: var(--border);
  text-underline-offset: 3px;
}
.article-body a:hover, .article-body a:focus-visible { text-decoration-color: var(--teal); }

.article-body ul, .article-body ol {
  padding-left: 22px;
  display: grid;
  gap: 8px;
}
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }

.article-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 4px 0 4px 20px;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.article-body figure { margin-top: 24px; }
.article-body figcaption {
  font-size: 0.85rem;
  color: var(--text-faint);
  margin-top: 8px;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.article-body th, .article-body td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-soft);
}
.article-body th { color: var(--text-faint); font-weight: 600; font-size: 0.85rem; }

.article-body code {
  background: var(--surface-2);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
}

@media (max-width: 900px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-toc { position: static; padding-bottom: 24px; border-bottom: 1px solid var(--border-soft); }
}