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

.gallery-item {
  position: relative;
  height: 220px;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  background-color: var(--border-color);
}

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

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

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: var(--spacing-2);
  background: rgba(4, 37, 81, 0.8);
  color: var(--text-light);
  transform: translateY(100%);
  transition: transform var(--transition-normal);
  text-align: center;
  font-size: 0.875rem;
}

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

/* Lightbox Styles */
.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal);
}

.lightbox-overlay.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-image {
  max-width: 80%;
  max-height: 80vh;
  object-fit: contain;
  box-shadow: var(--shadow-lg);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  background: none;
  border: none;
  color: #fff;
  font-size: 3rem;
  cursor: pointer;
  line-height: 1;
  z-index: 10000;
}

.lightbox-prev, .lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: #fff;
  font-size: 2rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}
.lightbox-prev:hover, .lightbox-next:hover {
  background: var(--accent-color);
  color: var(--primary-color);
}

.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }

.lightbox-caption {
  position: absolute;
  bottom: 20px;
  left: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-size: 1.125rem;
}

@media (max-width: 768px) {
  .lightbox-prev, .lightbox-next {
    width: 40px;
    height: 40px;
    font-size: 1.5rem;
  }
  .lightbox-prev { left: 10px; }
  .lightbox-next { right: 10px; }
  .lightbox-image { max-width: 95%; }
}