/* ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
   Gallery Page Styles
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ */

.gallery-header {
  padding: calc(80px + var(--space-xl)) var(--space-md) var(--space-lg);
  text-align: center;
}

.gallery-filters {
  padding: var(--space-md) 0 var(--space-lg);
  background: var(--color-bg-secondary);
  position: sticky;
  top: 80px;
  z-index: 100;
}

.filter-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.filter-btn {
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.75rem 1.5rem;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover {
  background: var(--color-white);
  color: var(--color-text-primary);
  border-color: var(--color-text-primary);
}

.filter-btn.active {
  background: var(--color-text-primary);
  color: var(--color-white);
  border-color: var(--color-text-primary);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-md);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.gallery-item.hidden {
  display: none;
}

.gallery-image {
  position: relative;
  height: 400px;
  overflow: hidden;
  cursor: pointer;
}

.gallery-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.gallery-item:hover .gallery-image img {
  transform: scale(1.1);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.9), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
  display: flex;
  align-items: flex-end;
  padding: var(--space-md);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-info {
  color: var(--color-white);
  transform: translateY(20px);
  transition: transform 0.4s ease;
}

.gallery-item:hover .gallery-info {
  transform: translateY(0);
}

.gallery-category {
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.gallery-title {
  font-size: var(--font-size-lg);
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-white);
}

.gallery-description {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
}

/* ━━━ Lightbox (optional for future enhancement) ━━━ */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  max-width: 90%;
  max-height: 90%;
}

.lightbox-content img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  font-size: 3rem;
  color: var(--color-white);
  cursor: pointer;
  transition: var(--transition-fast);
}

.lightbox-close:hover {
  color: var(--color-accent);
}

/* ━━━ Responsive ━━━ */
@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  
  .filter-buttons {
    gap: 0.5rem;
  }
  
  .filter-btn {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-xs);
  }
}