/* Gallery — photo mosaic: a wide lead tile over a row of portraits */

.gallery {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.gallery__item {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: 18px;
  background: var(--green-darker);
}

.gallery__item--lead {
  grid-column: 1 / -1;
  aspect-ratio: 16 / 9;
}

/* The odd tile out spans the row rather than leaving it half empty */
.gallery__item:last-child {
  grid-column: 1 / -1;
  aspect-ratio: 4 / 3;
}

.gallery__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (min-width: 768px) {
  .gallery {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }
  .gallery__item--lead {
    aspect-ratio: 2 / 1;
  }
  .gallery__item:last-child {
    grid-column: auto;
    aspect-ratio: 3 / 4;
  }
}