/* =============================================
   Gallery Styles
   ============================================= */

/* --- Filter Buttons --- */
.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
}
.filter-btn {
  padding: 10px 24px;
  border: 2px solid var(--color-warm-gray);
  border-radius: 30px;
  background: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--color-gold);
  color: var(--color-white);
  border-color: var(--color-gold);
}

/* --- Gallery Grid --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  background: var(--color-warm-gray);
}
.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.gallery-item img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.gallery-item:hover img {
  transform: scale(1.05);
}
.gallery-item .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.72) 0%, rgba(0,0,0,0.2) 55%, transparent 100%);
  display: flex;
  align-items: flex-end;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.gallery-item:hover .overlay { opacity: 1; }
.overlay-inner {
  display: flex;
  flex-direction: column;
  gap: 4px;
  transform: translateY(8px);
  transition: transform 0.3s ease;
}
.gallery-item:hover .overlay-inner,
.preview-item:hover .overlay-inner { transform: translateY(0); }
.overlay-category {
  display: inline-block;
  background: var(--color-terra);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: 3px;
  width: fit-content;
}
.overlay-caption {
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1.3;
  text-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

/* Hidden state for filtered items */
.gallery-item.hidden {
  display: none;
}

/* --- Lightbox (simple custom) --- */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0,0,0,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.lightbox-overlay.active {
  opacity: 1;
  visibility: visible;
}
.lightbox-overlay img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius);
}
.lightbox-close {
  position: absolute;
  top: 20px; right: 24px;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 2.5rem;
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition);
}
.lightbox-close:hover { color: var(--color-gold); }
.lightbox-caption {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-warm-gray);
  font-size: 1rem;
  text-align: center;
}
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 2.5rem;
  cursor: pointer;
  padding: 8px;
  transition: color var(--transition);
}
.lightbox-nav:hover { color: var(--color-gold); }
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

@media (max-width: 600px) {
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
  }
}