/* Gallery page hero */
.gallery-hero {
  background-image: url('https://images.pexels.com/photos/3825527/pexels-photo-3825527.jpeg?auto=compress&cs=tinysrgb&w=1920');
}

/* Filter bar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
}

.filter-btn {
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--color-text-primary);
  border-color: var(--color-border-hover);
}

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

/* Gallery grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

@media (min-width: 576px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .gallery-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 1;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

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

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

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 15, 0.8);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
  padding: var(--space-sm);
  text-align: center;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

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

.gallery-item__title {
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  margin-bottom: 0.25rem;
}

.gallery-item__category {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Tall items for masonry-like effect */
.gallery-item--tall {
  grid-row: span 2;
  aspect-ratio: auto;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

.lightbox__img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

.lightbox--active .lightbox__img {
  transform: scale(1);
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
  position: absolute;
  color: white;
  font-size: 2rem;
  z-index: 1;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background var(--transition-fast);
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
  background: rgba(255,255,255,0.1);
}

.lightbox__close {
  top: 1rem;
  right: 1rem;
  font-size: 2.5rem;
}

.lightbox__prev {
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 3rem;
}

.lightbox__next {
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 3rem;
}