/* Parallax Gallery
   Usage: <div data-parallax-gallery><img />...</div>
*/

[data-parallax-gallery] {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem;
  overflow: hidden;
}

[data-parallax-gallery] .pg-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  will-change: transform;
}

[data-parallax-gallery] .pg-col img {
  display: block;
  width: 100%;
  border-radius: 0.75rem;
  object-fit: cover;
  aspect-ratio: 3 / 4;
}

/* Tablet: 2 columns */
@media (max-width: 768px) {
  [data-parallax-gallery] {
    grid-template-columns: 1fr 1fr;
  }
  [data-parallax-gallery] .pg-col:nth-child(3) {
    display: none;
  }
}

/* Mobile: 1 column, no parallax */
@media (max-width: 480px) {
  [data-parallax-gallery] {
    grid-template-columns: 1fr;
  }
  [data-parallax-gallery] .pg-col:nth-child(2),
  [data-parallax-gallery] .pg-col:nth-child(3) {
    display: none;
  }
  [data-parallax-gallery] .pg-col {
    will-change: auto;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  [data-parallax-gallery] .pg-col {
    will-change: auto;
    transform: none !important;
  }
}