/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  cursor: pointer;
  group: gallery;
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

/* Hover overlay */
.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.5) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

/* Zoom icon on hover */
.gallery-item::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 44px;
  height: 44px;
  border: 2px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-full);
  z-index: 2;
  opacity: 0;
  transition: all var(--transition-normal);
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3Cline x1='11' y1='8' x2='11' y2='14'/%3E%3Cline x1='8' y1='11' x2='14' y2='11'/%3E%3C/svg%3E") no-repeat center center;
}

.gallery-item:hover::before {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(0, 0, 0, 0.92);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
}

.lightbox.is-open {
  display: flex;
}

.lightbox__img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
}

.lightbox__close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  color: white;
  font-size: var(--fs-2xl);
  cursor: pointer;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.1);
  transition: all var(--transition-fast);
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: white;
  font-size: var(--fs-2xl);
  cursor: pointer;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.lightbox__nav:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.2);
}

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

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

@media (min-width: 576px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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