/* ==========================================================================
   GALLERY PREVIEW (homepage section only)
   A curated, filterable sample linking out to gallery.html for the full
   archive. Fully self-contained — no selectors shared with
   css/sections/gallery.css (the dedicated page), so editing this file
   can never affect that page or any other section.
   ========================================================================== */

.gallery-preview {
  position: relative;
  overflow: clip;
}

.gallery-preview__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.5;
  background-image: radial-gradient(circle, var(--cream-400) 1.3px, transparent 1.6px);
  background-size: 26px 26px;
  mask-image: radial-gradient(60% 55% at 50% 0%, black, transparent 80%);
  -webkit-mask-image: radial-gradient(60% 55% at 50% 0%, black, transparent 80%);
}

.gallery-preview__count {
  font-weight: 700;
  color: var(--cp-orange);
  font-variant-numeric: tabular-nums;
}

.gallery-preview__filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs);
  margin-bottom: var(--space-xl);
}

.gallery-preview__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

@media (max-width: 1100px) { .gallery-preview__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .gallery-preview__grid { grid-template-columns: 1fr; } }

.gp-card {
  position: relative;
  display: block;
  width: 100%;
  break-inside: avoid;
  margin-bottom: var(--space-md);
  border-radius: var(--radius-lg);
  overflow: hidden;
  isolation: isolate;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--dur-base) var(--ease-out-expo),
              transform var(--dur-base) var(--ease-out-expo);
}

.gp-card { aspect-ratio: 5 / 4; }

.gp-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
}

.gp-card__skeleton {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, var(--cream-200) 30%, var(--cream-300) 50%, var(--cream-200) 70%);
  background-size: 200% 100%;
  animation: gp-skeleton 1.6s ease-in-out infinite;
}

@keyframes gp-skeleton {
  from { background-position: 200% 0; }
  to { background-position: -200% 0; }
}

.gp-card__img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity var(--dur-slow) ease, transform 0.6s var(--ease-out-expo);
}

.gp-card__img.is-loaded { opacity: 1; }

.gp-card:hover .gp-card__img { transform: scale(1.06); }

.gp-card__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(180deg, transparent 40%, rgba(15, 10, 4, 0.82));
  opacity: 0.75;
  transition: opacity var(--dur-base) ease;
}

.gp-card:hover .gp-card__overlay,
.gp-card:focus-visible .gp-card__overlay { opacity: 0.92; }

.gp-card__badge {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: var(--space-3xs);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: var(--space-3xs) var(--space-sm);
  border-radius: var(--radius-full);
  background: rgba(250, 246, 238, 0.9);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: var(--cp-ink);
}

.gp-card__badge svg { width: 14px; height: 14px; }

.gp-card__ribbon {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  z-index: 3;
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: var(--space-3xs) var(--space-sm);
  border-radius: var(--radius-full);
  background: var(--cp-orange);
  color: var(--cream-100);
}

.gp-card__content {
  position: absolute;
  left: var(--space-sm);
  right: var(--space-sm);
  bottom: var(--space-sm);
  z-index: 3;
  color: var(--cream-100);
  text-align: left;
}

.gp-card__title {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-md);
}

.gp-card__cta {
  display: inline-block;
  margin-top: var(--space-2xs);
  font-size: var(--fs-xs);
  font-weight: 600;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--dur-base) ease, transform var(--dur-base) var(--ease-out-expo);
}

.gp-card:hover .gp-card__cta,
.gp-card:focus-visible .gp-card__cta {
  opacity: 1;
  transform: translateY(0);
}

.gallery-preview__cta {
  text-align: center;
  margin-top: var(--space-2xl);
}

/* ---- Lightbox (scoped to this section, separate from gallery.html's) ---- */
.gallery-preview .lightbox {
  position: fixed;
  inset: 0;
  z-index: 9200;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: rgba(15, 10, 4, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.gallery-preview .lightbox[hidden] { display: none; }

.gallery-preview .lightbox__stage {
  max-width: 720px;
  margin-inline: auto;
  width: 100%;
  text-align: center;
}

.gallery-preview .lightbox__tile {
  display: block;
  width: 100%;
  max-height: 78vh;
  border-radius: var(--radius-lg);
  object-fit: contain;
}

.gallery-preview .lightbox__counter {
  color: var(--cream-300);
  font-size: var(--fs-xs);
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-2xs);
}

.gallery-preview .lightbox__caption {
  margin-top: var(--space-md);
  color: var(--cream-100);
}

.gallery-preview .lightbox__close,
.gallery-preview .lightbox__prev,
.gallery-preview .lightbox__next {
  color: var(--cream-100);
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(245, 237, 223, 0.3);
}

.gallery-preview .lightbox__close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
}

.gallery-preview .lightbox__prev svg,
.gallery-preview .lightbox__next svg,
.gallery-preview .lightbox__close svg {
  width: 18px;
  height: 18px;
}

@media (max-width: 700px) {
  .gallery-preview .lightbox { grid-template-columns: 1fr; }
  .gallery-preview .lightbox__prev, .gallery-preview .lightbox__next { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .gp-card__skeleton { animation: none; }
}