/* ============================================
   Gallery Page
   ============================================ */

.gal-wrap {
  padding: var(--space-10) 0 var(--space-20);
}

/* --- Filters --- */

.gal-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  margin-bottom: var(--space-16);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid var(--ink-faint);
}

.gal-filter {
  padding: var(--space-2) var(--space-5);
  background: transparent;
  border: 1px solid var(--ink-faint);
  border-radius: 999px;
  color: var(--ink-medium);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  cursor: pointer;
  transition: color var(--duration-normal) var(--ease-out-expo),
              border-color var(--duration-normal) var(--ease-out-expo),
              background var(--duration-normal) var(--ease-out-expo);
}

.gal-filter:hover {
  color: var(--ink-black);
  border-color: var(--ink-wash);
}

.gal-filter.is-active {
  background: var(--ink-black);
  border-color: var(--ink-black);
  color: var(--rice-paper);
}

.gal-filter:focus-visible {
  outline: 2px solid var(--vermillion-deep);
  outline-offset: 3px;
}

/* --- Groups --- */

.gal-group + .gal-group {
  margin-top: var(--space-20);
}

.gal-group[hidden] {
  display: none;
}

.gal-group__head {
  max-width: 62ch;
  margin-bottom: var(--space-8);
}

.gal-group__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-3);
}

.gal-group__desc {
  color: var(--ink-medium);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-2);
}

.gal-group__count {
  display: inline-block;
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--ink-light);
}

/* --- Masonry grid: columns keep each photo's native shape,
       so portraits aren't cropped into square thumbnails. --- */

.gal-grid {
  column-count: 3;
  column-gap: var(--space-4);
}

@media (max-width: 900px) {
  .gal-grid { column-count: 2; }
}

/* Two columns on phones. One column made every photo full-bleed and
   enormous, so scrolling 125 of them was punishing. */
@media (max-width: 560px) {
  .gal-grid {
    column-count: 2;
    column-gap: var(--space-2);
  }

  .gal-item {
    margin-bottom: var(--space-2);
  }

  .gal-item__cap {
    font-size: 0.7rem;
    margin-top: var(--space-1);
  }
}

.gal-item {
  break-inside: avoid;
  margin: 0 0 var(--space-4);
}

.gal-item__btn {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: zoom-in;
  border-radius: var(--radius-sm);
  overflow: hidden;
  line-height: 0;
}

.gal-item__btn img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--duration-slow, 0.5s) var(--ease-out-expo),
              filter var(--duration-slow, 0.5s) var(--ease-out-expo);
}

.gal-item__btn:hover img,
.gal-item__btn:focus-visible img {
  transform: scale(1.03);
  filter: brightness(1.04);
}

.gal-item__btn:focus-visible {
  outline: 2px solid var(--vermillion-deep);
  outline-offset: 3px;
}

.gal-item__cap {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  line-height: var(--leading-relaxed);
  color: var(--ink-light);
}

/* --- Lightbox --- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  background: rgba(18, 18, 18, 0.94);
  animation: lightboxIn 0.25s var(--ease-out-expo);
}

.lightbox[hidden] {
  display: none;
}

@keyframes lightboxIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.lightbox__fig {
  margin: 0;
  max-width: min(1100px, 92vw);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.lightbox__img {
  max-width: 100%;
  max-height: 78vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.lightbox__cap {
  color: var(--rice-paper);
  font-size: var(--text-sm);
  text-align: center;
  max-width: 60ch;
  opacity: 0.85;
}

.lightbox__close,
.lightbox__nav {
  position: absolute;
  background: transparent;
  border: 0;
  color: var(--rice-paper);
  cursor: pointer;
  line-height: 1;
  opacity: 0.7;
  transition: opacity var(--duration-normal) var(--ease-out-expo);
}

.lightbox__close:hover,
.lightbox__nav:hover,
.lightbox__close:focus-visible,
.lightbox__nav:focus-visible {
  opacity: 1;
}

.lightbox__close {
  top: var(--space-6);
  right: var(--space-6);
  font-size: 2.5rem;
}

.lightbox__nav {
  top: 50%;
  transform: translateY(-50%);
  font-size: 3.5rem;
  padding: var(--space-4);
}

.lightbox__nav--prev { left: var(--space-2); }
.lightbox__nav--next { right: var(--space-2); }

@media (max-width: 640px) {
  .lightbox { padding: var(--space-4); }
  .lightbox__nav { font-size: 2.5rem; padding: var(--space-2); }
  .lightbox__close { top: var(--space-3); right: var(--space-3); }
}

@media (prefers-reduced-motion: reduce) {
  .lightbox { animation: none; }
  .gal-item__btn img,
  .gal-filter,
  .lightbox__close,
  .lightbox__nav { transition: none; }
  .gal-item__btn:hover img,
  .gal-item__btn:focus-visible img { transform: none; }
}