/* gallery.css */
.gallery {
  background: var(--bg);
}

.gallery-header {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2.5rem 3rem;
}

.gallery-mosaic {
  padding: 0 2.5rem;
  columns: 4;
  column-gap: 1rem;
  max-width: 1280px;
  margin: 0 auto;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 1rem;
  position: relative;
  overflow: hidden;
  border-radius: var(--r-md);
  cursor: pointer;
  display: block;
}

.gallery-item img {
  width: 100%;
  min-height: 14rem;
  height: auto;
  display: block;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-item:hover img {
  transform: scale(1.04);
}

.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(12, 10, 9, 0.85) 0%, transparent 50%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1rem;
  opacity: 0;
  transition: opacity var(--t-base);
}

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

.gallery-item-category {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent);
  margin-bottom: 0.25rem;
  transform: translateY(6px);
  transition: transform var(--t-base);
}

.gallery-item-caption {
  font-size: var(--text-sm);
  color: #F5F0EB;
  font-weight: 500;
  transform: translateY(6px);
  transition: transform var(--t-base);
  transition-delay: 40ms;
}

.gallery-item:hover .gallery-item-category,
.gallery-item:hover .gallery-item-caption {
  transform: translateY(0);
}

/* Lightbox */
.gallery-lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: rgba(12, 10, 9, 0.97);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-base);
}

.gallery-lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.lb-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.875rem;
  max-width: 85vw;
}

.lb-img {
  max-height: 82vh;
  max-width: 100%;
  object-fit: contain;
  border-radius: var(--r-md);
  display: block;
}

.lb-caption {
  font-size: var(--text-sm);
  color: var(--text-3);
  text-align: center;
}

.lb-close,
.lb-prev,
.lb-next {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text-2);
  background: var(--bg-3);
  transition: all var(--t-fast);
  flex-shrink: 0;
}

.lb-close:hover,
.lb-prev:hover,
.lb-next:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.lb-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
}

@media (max-width: 900px) {
  .gallery-mosaic {
    columns: 2;
  }
}

@media (max-width: 480px) {
  .gallery-mosaic {
    columns: 1;
  }
}