/* ==========================================================================
   Luxury wedding photography gallery — portfolio masonry
   ========================================================================== */

.gallery-page {
  position: relative;
  padding-block: clamp(3rem, 7vw, 5rem) clamp(4rem, 9vw, 6.5rem);
  overflow-x: clip;
  background:
    radial-gradient(ellipse 70% 40% at 50% 0%, rgba(201, 168, 76, 0.1), transparent 55%),
    linear-gradient(180deg, var(--color-ivory) 0%, #f3ebe0 100%);
}

.gallery-page-intro {
  width: var(--container);
  margin: 0 auto 2rem;
  text-align: center;
}

/* Filters ---------------------------------------------------------------- */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.45rem;
  width: min(960px, calc(100% - 1.5rem));
  margin: 0 auto 2.25rem;
}

.gallery-filter {
  appearance: none;
  border: 1px solid rgba(201, 168, 76, 0.4);
  background: rgba(255, 255, 255, 0.45);
  color: var(--color-ink-soft);
  min-height: 2.35rem;
  padding: 0.45rem 0.95rem;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    background 0.35s var(--ease-out),
    color 0.35s var(--ease-out),
    border-color 0.35s var(--ease-out);
  touch-action: manipulation;
}

.gallery-filter:hover {
  border-color: var(--color-gold);
  color: var(--color-maroon);
}

.gallery-filter.is-active {
  background: var(--color-maroon);
  border-color: var(--color-maroon);
  color: var(--color-champagne);
}

/* Masonry ---------------------------------------------------------------- */
.gallery-masonry {
  columns: 3 280px;
  column-gap: 0.85rem;
  width: min(1180px, calc(100% - 1.5rem));
  margin-inline: auto;
}

.gallery-tile {
  break-inside: avoid;
  margin: 0 0 0.85rem;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  position: relative;
  display: block;
  overflow: hidden;
  opacity: 1;
  transform: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

html.js.is-enhanced .gallery-tile:not(.is-shown) {
  opacity: 0;
  transform: translateY(28px);
}

.gallery-tile.is-hidden {
  display: none;
}

.gallery-tile-frame {
  position: relative;
  overflow: hidden;
  background: #2a1218;
  box-shadow:
    0 16px 40px rgba(61, 6, 17, 0.12),
    inset 0 0 0 1px rgba(201, 168, 76, 0.28);
}

.gallery-tile-frame::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(201, 168, 76, 0.28);
  opacity: 0;
  transition: opacity 0.45s var(--ease-out);
  pointer-events: none;
  z-index: 2;
}

.gallery-tile img {
  width: 100%;
  height: auto;
  display: block;
  vertical-align: middle;
  transform: scale(1.03);
  transition: transform 0.9s var(--ease-lux), filter 0.5s var(--ease-out);
  filter: saturate(0.94) contrast(1.04);
}

.gallery-tile--portrait .gallery-tile-frame {
  aspect-ratio: 3 / 4;
}

.gallery-tile--landscape .gallery-tile-frame {
  aspect-ratio: 4 / 3;
}

.gallery-tile--portrait img,
.gallery-tile--landscape img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-tile-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.15rem 1rem;
  background: linear-gradient(180deg, transparent 40%, rgba(20, 8, 10, 0.78) 100%);
  opacity: 0;
  transition: opacity 0.45s var(--ease-out);
  color: var(--color-champagne);
  text-align: left;
}

.gallery-tile-overlay span {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-style: italic;
  line-height: 1.3;
  transform: translateY(10px);
  transition: transform 0.45s var(--ease-out);
}

.gallery-tile-overlay small {
  margin-top: 0.25rem;
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold-light);
  transform: translateY(10px);
  transition: transform 0.45s var(--ease-out) 0.05s;
}

.gallery-tile:hover img,
.gallery-tile:focus-visible img {
  transform: scale(1.08);
  filter: saturate(1) contrast(1.06);
}

.gallery-tile:hover .gallery-tile-overlay,
.gallery-tile:focus-visible .gallery-tile-overlay,
.gallery-tile:hover .gallery-tile-frame::after,
.gallery-tile:focus-visible .gallery-tile-frame::after {
  opacity: 1;
}

.gallery-tile:hover .gallery-tile-overlay span,
.gallery-tile:hover .gallery-tile-overlay small,
.gallery-tile:focus-visible .gallery-tile-overlay span,
.gallery-tile:focus-visible .gallery-tile-overlay small {
  transform: translateY(0);
}

.gallery-tile:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

.gallery-empty {
  display: none;
  text-align: center;
  color: var(--color-muted);
  padding: 2rem;
}

.gallery-empty.is-visible {
  display: block;
}

/* Lightbox --------------------------------------------------------------- */
.gallery-lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: rgba(12, 6, 8, 0.92);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease-out), visibility 0.4s;
  padding: 0.75rem;
}

.gallery-lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.gallery-lightbox-top {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

.gallery-lightbox-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 0;
  user-select: none;
  touch-action: pan-y;
}

.gallery-lightbox-figure {
  margin: 0;
  max-width: min(1100px, 100%);
  max-height: 100%;
  text-align: center;
}

.gallery-lightbox-figure img {
  max-width: 100%;
  max-height: min(78vh, 900px);
  width: auto;
  height: auto;
  object-fit: contain;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(201, 168, 76, 0.3);
  opacity: 0;
  transform: scale(0.98);
  transition: opacity 0.35s var(--ease-out), transform 0.45s var(--ease-lux);
}

.gallery-lightbox-figure img.is-shown {
  opacity: 1;
  transform: scale(1);
}

.gallery-lightbox-caption {
  margin: 0.85rem 0 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--color-champagne);
}

.gallery-lightbox-counter {
  margin: 0.25rem 0 0;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(232, 213, 163, 0.65);
}

.gallery-lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid rgba(201, 168, 76, 0.45);
  background: rgba(20, 10, 12, 0.45);
  color: var(--color-champagne);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  touch-action: manipulation;
}

.gallery-lightbox-nav--prev { left: 0.5rem; }
.gallery-lightbox-nav--next { right: 0.5rem; }

.gallery-lightbox-nav:hover,
.gallery-lightbox-close:hover {
  border-color: var(--color-gold);
  color: var(--color-gold-light);
}

.gallery-lightbox-close {
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid rgba(201, 168, 76, 0.45);
  background: rgba(20, 10, 12, 0.45);
  color: var(--color-champagne);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  touch-action: manipulation;
}

@media (max-width: 900px) {
  .gallery-masonry {
    columns: 2 160px;
    column-gap: 0.65rem;
  }
}

@media (max-width: 520px) {
  .gallery-masonry {
    columns: 1;
  }

  .gallery-filters {
    gap: 0.35rem;
  }

  .gallery-filter {
    padding-inline: 0.7rem;
    font-size: 0.62rem;
    letter-spacing: 0.12em;
  }

  .gallery-lightbox-nav {
    width: 2.4rem;
    height: 2.4rem;
  }

  /* Always show light caption hint on touch */
  .gallery-tile-overlay {
    opacity: 0.92;
    background: linear-gradient(180deg, transparent 55%, rgba(20, 8, 10, 0.75) 100%);
  }

  .gallery-tile-overlay span,
  .gallery-tile-overlay small {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gallery-tile {
    opacity: 1 !important;
    transform: none !important;
  }

  .gallery-tile img,
  .gallery-lightbox-figure img {
    transition: none !important;
  }
}