/* ============================================
   Elegant Stone — Gallery Grid & Filter
   ============================================ */

/* ── Filter Bar ───────────────────────────── */

.es-filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-10);
}

.es-filter-btn {
  padding: var(--space-2) var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-label-lg);
  font-weight: 400;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-secondary);
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition:
    color var(--duration-micro) var(--ease-standard),
    background-color var(--duration-micro) var(--ease-standard),
    border-color var(--duration-micro) var(--ease-standard);
  min-height: 40px;
}

.es-filter-btn:hover {
  color: var(--color-gold);
  border-color: var(--color-border-hover);
}

.es-filter-btn.is-active {
  color: var(--color-text-inverse);
  background: var(--color-gold);
  border-color: var(--color-gold);
}

/* ── Gallery Grid ─────────────────────────── */

.es-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
}

/* Masonry-like effect with varying heights */
.es-gallery-item:nth-child(3n + 1) {
  grid-row: span 1;
}

.es-gallery-item:nth-child(5n + 2) {
  grid-row: span 1;
}

/* ── Gallery Item ─────────────────────────── */

.es-gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  cursor: pointer;
  background: var(--color-bg-secondary);
}

.es-gallery-item__image {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  transition: transform var(--duration-long) var(--ease-standard);
}

.es-gallery-item:hover .es-gallery-item__image {
  transform: scale(1.05);
}

.es-gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, var(--color-scrim-heavy) 100%);
  opacity: 0;
  transition: opacity var(--duration-short) var(--ease-standard);
}

.es-gallery-item:hover .es-gallery-item__overlay {
  opacity: 1;
}

.es-gallery-item__info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-4);
  transform: translateY(8px);
  opacity: 0;
  transition:
    transform var(--duration-short) var(--ease-standard),
    opacity var(--duration-short) var(--ease-standard);
}

.es-gallery-item:hover .es-gallery-item__info {
  transform: translateY(0);
  opacity: 1;
}

.es-gallery-item__tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-label-md);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-gold);
  background: var(--color-scrim-backdrop);
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
}

/* ── Gallery animation for filtering ──────── */

.es-gallery-item {
  transition:
    opacity var(--duration-medium) var(--ease-standard),
    transform var(--duration-medium) var(--ease-standard);
}

.es-gallery-item.is-hidden {
  opacity: 0;
  transform: scale(0.95);
  pointer-events: none;
  position: absolute;
  visibility: hidden;
}

/* ── Responsive ───────────────────────────── */

@media (max-width: 767px) {
  .es-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
  }

  .es-gallery-item__info {
    opacity: 1;
    transform: translateY(0);
  }

  .es-gallery-item__overlay {
    opacity: 1;
  }
}

@media (max-width: 480px) {
  .es-gallery-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1024px) {
  .es-gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1440px) {
  .es-gallery-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}