/* Miniature Buildings extends the approved category shell. */
.buildings-page .building-photo img { transform: scale(var(--building-scale, 1)); transform-origin: 50% 53%; }
.building-overview { padding: 38px 0 48px; border-top: 1px solid var(--rule); scroll-margin-top: 150px; }
.building-group-nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 30px; border-top: 1px solid var(--rule); margin-bottom: 36px; }
.building-group-nav a { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 70px; padding: 14px 0; border-bottom: 1px solid var(--rule); font-size: 18px; }
.building-group-count { font: 12px/1.5 'Geist Mono', monospace; color: var(--muted); }
.building-subcollections { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; }
.building-subcollection { display: flex; flex-direction: column; min-width: 0; border: 1px solid var(--rule); }
.building-subcollection-copy { padding: 28px; display: flex; flex-direction: column; flex: 1; }
.building-subcollection-copy .category-kicker { margin-bottom: 14px; }
.building-subcollection h3 { font-size: clamp(27px, 3vw, 42px); font-weight: 400; letter-spacing: -.04em; line-height: 1.12; margin: 0 0 18px; }
.building-subcollection-copy > p:not(.category-kicker) { color: var(--muted); font-size: 16px; line-height: 1.6; margin: 0 0 20px; }
.building-subcollection-copy .train-card-action { padding-bottom: 0; }
.building-section-intro { max-width: 49ch; margin: 16px 0 0; color: var(--muted); font-size: 16px; line-height: 1.6; }
.building-section-meta a { display: inline-flex; min-height: 44px; align-items: center; color: var(--muted); font-size: 12px; text-decoration: underline; text-underline-offset: 4px; }
.building-wide { grid-column: 1 / -1; }
.building-wide .building-card { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(26px, 4vw, 60px); align-items: center; }
.building-wide .train-card-body { padding: 26px 0; }
.building-wide .train-card-action { margin-top: 22px; }
.building-group-nav a:focus-visible, .building-subcollection:focus-visible { outline-offset: 4px; }
.building-subcollection:focus-visible .train-card-arrow { background: var(--brand); color: #fff; border-color: var(--brand); }
@media (hover: hover) {
  .building-group-nav a:hover { color: var(--focus); }
  .building-subcollection:hover .train-card-arrow { background: var(--brand); color: #fff; border-color: var(--brand); }
}
@media (max-width: 1000px) { .buildings-page .collection-count { white-space: normal; } }
@media (max-width: 760px) {
  .building-overview { padding-block: 30px 40px; scroll-margin-top: 130px; }
  .building-group-nav { grid-template-columns: 1fr; gap: 0; }
  .building-group-nav a { font-size: 16px; min-height: 56px; }
  .building-subcollections { gap: 22px; }
  .building-subcollection-copy { padding: 22px; }
  .building-subcollection h3 { font-size: 27px; }
  .building-wide .building-card { gap: 26px; }
}
@media (max-width: 540px) {
  .buildings-page .category-hero h1 { font-size: 13.5vw; }
  .building-subcollections { grid-template-columns: 1fr; }
  .building-wide .building-card { display: flex; gap: 0; }
  .building-wide .train-card-body { padding: 18px 0 0; }
  .building-wide .train-card-action { margin-top: auto; }
}