.gallery-full-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
    }
    .gallery-full-grid .gallery-item { height: 240px; }
    .gallery-full-grid .gallery-item.wide { grid-column: span 2; }
    .gallery-full-grid .gallery-item.tall { grid-row: span 2; height: auto; min-height: 492px; }
    @media(max-width: 768px) {
      .gallery-full-grid { grid-template-columns: repeat(2, 1fr); }
      .gallery-full-grid .gallery-item.tall { min-height: 240px; grid-row: auto; }
    }
    @media(max-width: 480px) {
      .gallery-full-grid { grid-template-columns: 1fr; }
      .gallery-full-grid .gallery-item.wide { grid-column: auto; }
    }