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

.section-portfolio { padding: 0 0 40px 0; }
@media (max-width: 640px) { .section-portfolio { padding: 20px; } }
.portfolio-filter { display: flex; gap: 8px; flex-wrap: wrap; margin: 40px 0 48px; justify-content: center; }
.portfolio-masonry {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3px;
}
.portfolio-masonry-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background: var(--bg-mid);
    aspect-ratio: 4/3;             /* uniform tile size */
}
.portfolio-masonry-item.tall { grid-row: span 2; aspect-ratio: auto; }
.portfolio-masonry-item img {
    width: 100%; height: 100%; object-fit: cover; display: block;
    transition: transform 0.6s ease, filter 0.4s ease;
    filter: brightness(0.75) contrast(1.05);
}
.portfolio-masonry-item:hover img { transform: scale(1.05); filter: brightness(0.4) contrast(1.05); }
.portfolio-masonry-overlay {
    position: absolute; inset: 0;
    display: flex; flex-direction: column; justify-content: flex-end;
    padding: 24px;
    background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 60%);
    opacity: 0; transition: opacity 0.4s;
}
.portfolio-masonry-item:hover .portfolio-masonry-overlay { opacity: 1; }
.p-cat { font-family: var(--font-heading); font-size: 0.65rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--gold); margin-bottom: 6px; }
.p-title { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; color: white; }
.p-desc { font-size: 0.82rem; color: rgba(255,255,255,0.7); margin-top: 6px; }
@media(max-width:900px){ .portfolio-masonry{grid-template-columns:repeat(2,1fr);} .portfolio-masonry-item.tall{grid-row:auto;aspect-ratio:4/3;} }
@media(max-width:600px){ .portfolio-masonry{grid-template-columns:repeat(2,1fr);} .portfolio-masonry-item.tall{grid-row:auto;aspect-ratio:4/3;} }