.gallery-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 250px;
  grid-auto-flow: dense;
}

@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
  .prev { left: 0.5rem; }
  .next { right: 0.5rem; }
  .modal-nav {
    padding: 0.75rem;
    font-size: 1.5rem;
    background: rgba(0,0,0,0.3);
  }
}

@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: auto;
  }
  .gallery-item.span-2 { grid-column: span 1; }
  .gallery-item.row-2 { grid-row: span 1; }
  .gallery-img {
    aspect-ratio: 16 / 9;
  }
}

.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid var(--line);
}

.gallery-item.span-2 { grid-column: span 2; }
.gallery-item.row-2 { grid-row: span 2; }

.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  cursor: pointer;
  transition: transform 0.4s ease;
}
.gallery-img:hover { transform: scale(1.05); }

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
}

.modal.is-active {
  display: flex;
  opacity: 1;
}

.modal-content-full {
  width: 90%;
  max-width: 1200px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content-full img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

.modal-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.5);
  color: white;
  border: none;
  padding: 1rem;
  cursor: pointer;
  font-size: 2rem;
  z-index: 1001;
}
.prev { left: -3rem; }
.next { right: -3rem; }
.modal-nav:hover { background: rgba(0,0,0,0.8); }

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 1002;
}