/* DASC MOB DESIGN — page styles: gallery
   Shared components (lightbox, filter buttons, page-hero light theme)
   live in assets/css/main.css. */

.section-gallery { padding: 0 0 40px 0; }
@media (max-width: 640px) { .section-gallery { padding: 20px; } }
.filter-bar {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 40px;
    margin-bottom: 40px;
    justify-content: center;
}

/* Uniform grid — same-size square tiles: 4 across on desktop,
   3 on smaller laptops/tablets, 2 on phones */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
}
.gallery-grid-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 1;
    background: var(--bg-mid);
}
.gallery-grid-item.hidden { display: none; }
.gallery-grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease, filter 0.4s ease;
    filter: brightness(0.82) contrast(1.05);
}
@media (max-width: 1100px) { .gallery-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 700px)  { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
.gallery-grid-item:hover img { transform: scale(1.04); filter: brightness(0.5); }
.gallery-grid-item-overlay {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: opacity 0.3s;
    background: rgba(0,0,0,0.1);
}
.gallery-grid-item:hover .gallery-grid-item-overlay { opacity: 1; }
.gallery-grid-item-overlay svg { width: 32px; height: 32px; fill: none; stroke: white; stroke-width: 2; }
.gallery-cat-tag {
    position: absolute;
    bottom: 8px; left: 8px;
    background: rgba(0,0,0,0.55);
    color: var(--gold);
    font-family: var(--font-heading);
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 3px 8px;
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity .3s;
}
.gallery-grid-item:hover .gallery-cat-tag { opacity: 1; }