/* Sub-pages: /about and /research. Loaded only when a route sets `seo`. */
.subpage-container { max-width: 900px; }
.subpage-hero { padding: 120px 0 40px; background: var(--bg-light); }
.subpage-hero-grid { display: grid; grid-template-columns: 1fr 240px; gap: 40px; align-items: center; }
.subpage-portrait img { width: 100%; height: auto; border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); display: block; }
.subpage-title { font-family: var(--font-heading, Georgia, serif); font-size: clamp(2rem, 4vw, 2.75rem); line-height: 1.15; margin: 14px 0 16px; color: var(--text-primary); }
.subpage-lead { font-size: 1.125rem; line-height: 1.7; color: var(--text-secondary); margin: 0; }
.subpage-body { padding: 48px 0 80px; }
.subpage-h2 { font-family: var(--font-heading, Georgia, serif); font-size: 1.6rem; margin: 48px 0 16px; color: var(--text-primary); }
.subpage-h2:first-child { margin-top: 0; }
.subpage-body p { line-height: 1.75; color: var(--text-secondary); }
.subpage-body a:not(.btn) { color: var(--primary); }

.breadcrumb { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 14px; }
.breadcrumb a { color: var(--primary); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

.subpage-pubs { max-width: none; }
.subpage-pub-title { font-size: 1.1rem; margin: 0; font-weight: 600; line-height: 1.4; }
.subpage-doi { font-size: 0.85rem; color: var(--text-muted) !important; word-break: break-all; }

.subpage-timeline { list-style: none; padding: 0; margin: 0; border-left: 2px solid var(--border-dark); }
.subpage-timeline li { position: relative; padding: 0 0 22px 24px; display: flex; flex-direction: column; gap: 2px; }
.subpage-timeline li::before { content: ''; position: absolute; left: -7px; top: 6px; width: 12px; height: 12px; border-radius: 50%; background: var(--primary); }
.subpage-timeline li.is-goal::before { background: transparent; border: 2px dashed var(--primary); }
.subpage-timeline-place { font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); }
.subpage-timeline strong { color: var(--text-primary); }
.subpage-timeline span:last-child { color: var(--text-secondary); }

.subpage-chapter { padding-top: 8px; }
.subpage-points { padding-left: 20px; color: var(--text-secondary); line-height: 1.7; }
.subpage-next { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 48px; }

@media (max-width: 720px) {
  .subpage-hero { padding: 100px 0 32px; }
  .subpage-hero-grid { grid-template-columns: 1fr; }
  .subpage-portrait { max-width: 200px; order: -1; }
}