/* ==================================================================
   Page styles: Portfolio
   Loaded only on pages/portfolio.php
   ================================================================== */

.portfolio-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 3rem;
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-card);
    overflow: hidden;
    aspect-ratio: 4 / 3;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.portfolio-item:hover img {
    transform: scale(1.08);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(15, 23, 42, 0.88) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay span {
    color: var(--color-primary-light);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.portfolio-overlay h4 {
    color: var(--color-white);
    font-size: 1.05rem;
    margin-top: 0.25rem;
}

/* ------------------------------------------------------------------
   Portfolio Detail — responsive YouTube embed
   ------------------------------------------------------------------ */
.youtube-embed-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-card);
    overflow: hidden;
    background: var(--color-secondary);
}

.youtube-embed-wrapper iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}