/* Media gallery: filters, masonry columns, lightbox. */

.filter-bar { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 2rem; }
.filter-btn {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.4rem 1rem 0.32rem;
  cursor: pointer;
}
.filter-btn:hover { color: var(--text); border-color: var(--line-gold); }
.filter-btn.active { color: var(--ink-950); background: var(--gold); border-color: var(--gold); }

/* Masonry with CSS columns: images keep their own shape. */
.gallery { columns: 3 280px; column-gap: 0.8rem; }
.g-item { break-inside: avoid; margin: 0 0 0.8rem; }
.g-item[hidden] { display: none; }
.g-open { display: block; width: 100%; padding: 0; border: 0; background: var(--ink-850); cursor: zoom-in; overflow: hidden; }
.g-open img { width: 100%; height: auto; transition: transform 0.35s ease, opacity 0.2s ease; opacity: 0.92; }
.g-open:hover img, .g-open:focus-visible img { transform: scale(1.03); opacity: 1; }
/* Captions show in the viewer, not under every thumbnail. */
.g-item figcaption { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(8, 6, 6, 0.96);
  display: flex; align-items: center; justify-content: center;
  padding: 3.5rem 4.5rem;
}
.lightbox[hidden] { display: none; }
.lb-inner { margin: 0; max-width: 1400px; width: 100%; text-align: center; }
.lb-inner img { max-width: 100%; max-height: 78vh; margin: 0 auto; object-fit: contain; }
.lb-inner figcaption { color: var(--text); margin-top: 0.9rem; }
.lb-count { font-size: 0.8rem; color: var(--muted); margin-top: 0.2rem; }

.lb-btn {
  position: absolute;
  background: rgba(30, 25, 25, 0.9);
  border: 1px solid var(--line-gold);
  color: var(--text);
  width: 2.8rem; height: 2.8rem;
  font-size: 1.6rem; line-height: 1;
  border-radius: 2px;
  cursor: pointer;
  display: grid; place-items: center;
}
.lb-btn:hover { background: var(--gold-dim); border-color: var(--gold); }
.lb-close { top: 1rem; right: 1rem; font-size: 1.1rem; }
.lb-prev { left: 1rem; top: 50%; transform: translateY(-50%); }
.lb-next { right: 1rem; top: 50%; transform: translateY(-50%); }

@media (max-width: 680px) {
  .gallery { columns: 2; column-gap: 0.5rem; }
  .g-item { margin-bottom: 0.5rem; }
  .lightbox { padding: 3.5rem 0.5rem 4.5rem; }
  .lb-prev, .lb-next { top: auto; bottom: 1rem; transform: none; }
}