.page-gallery header.site-header {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.page-gallery .nav-links a {
  color: var(--color-text);
}

.page-gallery .nav-toggle span {
  background: var(--color-text);
}

.page-gallery .hero {
  margin-top: 80px;
}

@media (min-width: 768px) {
  .page-gallery .hero {
    margin-top: 90px;
  }
}

@media (min-width: 1024px) {
  .page-gallery .hero {
    margin-top: 100px;
  }
}

.gallery-filters {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

.filter-btn {
  padding: var(--space-3) var(--space-6);
  background-color: var(--color-white);
  border: 2px solid var(--color-grey-light);
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition);
}

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

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  cursor: pointer;
  aspect-ratio: 4/3;
}

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

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

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

.gallery-item-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  padding: var(--space-6) var(--space-4) var(--space-4);
  color: var(--color-white);
  opacity: 0;
  transition: var(--transition);
}

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

.gallery-item-caption {
  font-size: var(--text-sm);
  font-weight: 600;
}

.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.95);
  z-index: 3000;
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

.lightbox-content {
  position: relative;
  max-width: 90%;
  max-height: 90%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-image {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
}

.lightbox-caption {
  color: var(--color-white);
  margin-top: var(--space-4);
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: -50px;
  right: 0;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 3rem;
  cursor: pointer;
  line-height: 1;
}

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

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.1);
  border: none;
  color: var(--color-white);
  font-size: 2rem;
  padding: var(--space-4);
  cursor: pointer;
  transition: var(--transition);
}

.lightbox-nav:hover {
  background: rgba(255,255,255,0.2);
}

.lightbox-prev {
  left: var(--space-4);
}

.lightbox-next {
  right: var(--space-4);
}