/* ========================================
   Photos Gallery Page Styles
   ======================================== */

/* === Filter Bar === */

.gallery-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: var(--space-8);
  position: sticky;
  top: 64px;
  z-index: 10;
  background: var(--color-white);
  padding: var(--space-4) 0;
}

.section--light .gallery-filter {
  background: var(--color-gray-50);
}

.gallery-filter__btn {
  padding: var(--space-2) var(--space-4);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: var(--text-sm);
  border: 2px solid var(--color-gray-200);
  border-radius: var(--border-radius-full);
  background: var(--color-white);
  color: var(--color-gray-500);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.gallery-filter__btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.gallery-filter__btn.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* === Gallery Grid === */

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

.gallery-item {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: opacity var(--transition-base);
}

.gallery-link {
  display: block;
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--border-radius-lg);
}

.gallery-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.gallery-link:hover img {
  transform: scale(1.05);
}

/* Hover overlay */
.gallery-link::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 45, 86, 0.5);
  opacity: 0;
  transition: opacity var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.gallery-link:hover::after {
  opacity: 1;
}


/* Image caption */
.gallery-caption {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-gray-500);
  background: var(--color-white);
  border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

.gallery-caption__title {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-gray-900);
}

.gallery-caption__category {
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Placeholder images */
.gallery-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
}

/* Empty state */
.gallery-empty {
  text-align: center;
  padding: var(--space-16) 0;
  color: var(--color-gray-500);
}

@media (min-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-6);
  }
}