.page-header {
  text-align: center;
  padding: calc(var(--nav-height) + var(--space-xl)) 0 var(--space-lg);
}

.page-header h1 {
  font-size: var(--fs-h1);
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.page-header p {
  color: var(--gray-muted);
  margin-top: var(--space-xs);
}

.filter-bar {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
  padding: 0 var(--space-md);
}

.filter-btn {
  background: transparent;
  border: none;
  color: var(--gray-muted);
  font-family: var(--font-body);
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  cursor: pointer;
  padding: 8px 16px;
  position: relative;
  transition: color 0.3s var(--ease-smooth);
}

.filter-btn::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-gold);
  transition: width 0.3s var(--ease-smooth);
}

.filter-btn.active,
.filter-btn:hover {
  color: var(--accent-gold);
}

.filter-btn.active::after {
  width: 100%;
}

.filter-btn:hover::after {
  width: 100%;
}

.gallery-grid {
  column-count: 3;
  column-gap: var(--space-sm);
  padding: 0 var(--space-md);
}

@media (max-width: 768px) {
  .gallery-grid {
    column-count: 2;
  }
}

@media (max-width: 480px) {
  .gallery-grid {
    column-count: 1;
  }
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: var(--space-sm);
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  cursor: pointer;
  transition: opacity 0.4s var(--ease-smooth), transform 0.4s var(--ease-smooth);
}

.gallery-item img {
  width: 100%;
  display: block;
  transition: transform 0.6s var(--ease-smooth);
}

.gallery-item:hover img {
  transform: scale(1.03);
}

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s var(--ease-smooth), border-color 0.3s var(--ease-smooth);
  border: 1px solid transparent;
}

.gallery-item:hover .gallery-item__overlay {
  opacity: 1;
  border-color: var(--accent-gold);
}

.gallery-item__overlay span {
  color: var(--white-pure);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: var(--fs-small);
}

.gallery-item.hidden {
  opacity: 0;
  transform: scale(0.8);
  position: absolute;
  pointer-events: none;
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 10, 0.95);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

.lightbox__img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
}

.lightbox__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: none;
  border: none;
  color: var(--white-pure);
  font-size: 2rem;
  cursor: pointer;
  transition: color 0.3s var(--ease-smooth);
  z-index: 2001;
  line-height: 1;
  padding: 4px 8px;
}

.lightbox__close:hover {
  color: var(--accent-gold);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--white-soft);
  font-size: 2.5rem;
  cursor: pointer;
  transition: color 0.3s var(--ease-smooth);
  padding: var(--space-sm);
  line-height: 1;
}

.lightbox__nav:hover {
  color: var(--accent-gold);
}

.lightbox__prev {
  left: var(--space-sm);
}

.lightbox__next {
  right: var(--space-sm);
}

.lightbox__counter {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  color: var(--gray-muted);
  font-size: var(--fs-small);
  letter-spacing: 0.1em;
}