/* =====================================================================
   Portfolio archive
   ===================================================================== */

/* Section spacing: 96px top/bottom on desktop (like the other archives). */
@media (min-width: 768px) {
    .portfolio-archive.section { padding: 96px 0; }
}

.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.project-card {
    position: relative;
    display: block;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    cursor: pointer;
}
.project-card__media,
.project-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
/* Hover reveals colour only while NOT selected; selected stays in colour. */
.project-card:not(.is-selected):hover .project-card__media img { filter: grayscale(0%); transform: scale(1.04); }
.project-card.is-selected .project-card__media img { filter: grayscale(0%); }

/* Default caption (gradient) — category + title, hidden until hover (React style). */
.project-card__caption {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 4px;
    padding: 20px;
    color: #fff;
    pointer-events: none;
    opacity: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.5) 0%, transparent 60%);
    transition: opacity 0.3s ease;
}
.project-card:not(.is-selected):hover .project-card__caption { opacity: 1; }
.project-card.is-selected .project-card__caption { opacity: 0; }
.project-card__cat {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.7);
}
.project-card__title { font-size: 14px; color: #fff; }

/* Selected panel (dark) — slides up with description + Details button. */
.project-card__panel {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 8px;
    padding: 24px;
    color: #fff;
    background: rgba(0, 0, 0, 0.8);
    opacity: 0;
    pointer-events: none;
    transform: translateY(12px);
    transition: opacity 0.35s ease, transform 0.35s ease;
}
.project-card.is-selected .project-card__panel { opacity: 1; transform: translateY(0); pointer-events: auto; }
.project-card__panel .project-card__meta {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.5);
}
.project-card__excerpt {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.6;
}
.project-card__btn {
    align-self: flex-start;
    margin-top: 8px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.4);
    padding: 8px 16px;
    pointer-events: auto;
    transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.project-card__btn:hover { background: #fff; color: #000; border-color: #fff; }

@media (min-width: 640px) {
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .portfolio-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }
}