@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display&display=swap');

/* ── Page layout ──────────────────────────────────────────── */
.project-gallery {
    padding: 6rem 2rem 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.project-gallery h1 {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 400;
    letter-spacing: -0.01em;
    line-height: 1.15;
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

/* ── Project description card ─────────────────────────────── */
.project-description {
    background: rgba(14, 14, 14, 0.52);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 12px;
    padding: 2rem 2.5rem 2.25rem;
    max-width: 780px;
    margin: 0 auto 2.5rem;
}

.project-description h2 {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.9rem;
}

.project-description p {
    font-size: 0.97rem;
    color: rgba(240, 240, 240, 0.78);
    line-height: 1.75;
    margin-bottom: 0;
}

.project-description h3 {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin: 1.6rem 0 0.75rem;
}

.project-description ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.project-description li {
    font-size: 0.8rem;
    color: var(--text-primary);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.22);
    border-radius: 4px;
    padding: 0.28rem 0.75rem;
    letter-spacing: 0.02em;
}

/* ── Photo grid ───────────────────────────────────────────── */
.gallery-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 10px;
    margin-bottom: 3rem;
}

.gallery-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.05);
}

/* shimmer sweep while loading */
.gallery-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
    animation: gallery-shimmer 1.6s linear infinite;
    pointer-events: none;
    z-index: 1;
}

.gallery-item.loaded::before {
    display: none;
}

.gallery-item img,
.gallery-item video {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    opacity: 0;
    transition: opacity 0.4s ease, transform 0.3s ease;
}

.gallery-item.loaded img,
.gallery-item.loaded video {
    opacity: 1;
}

.gallery-item:hover img,
.gallery-item:hover video {
    transform: scale(1.03);
    opacity: 0.85;
}

@keyframes gallery-shimmer {
    0%   { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem 1rem 0.75rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.72));
    color: #fff;
    font-size: 0.85rem;
    text-align: center;
    transform: translateY(100%);
    transition: transform 0.3s ease;
    pointer-events: none;
    z-index: 2;
}

.gallery-item:hover .gallery-caption {
    transform: translateY(0);
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
    .project-gallery {
        padding: 5rem 1rem 2rem;
    }

    .gallery-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }

    .gallery-item img,
    .gallery-item video {
        height: 160px;
    }

    .project-description {
        padding: 1.5rem 1.25rem 1.75rem;
    }
}

/* Lightbox */
.lightbox-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: lb-fade-in 0.2s ease;
}

@keyframes lb-fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.lightbox-img {
    max-width: min(92vw, 1200px);
    max-height: 88vh;
    border-radius: 6px;
    box-shadow: 0 8px 48px rgba(0, 0, 0, 0.6);
    display: block;
    animation: lb-scale-in 0.2s ease;
    object-fit: contain;
}

@keyframes lb-scale-in {
    from { transform: scale(0.96); opacity: 0; }
    to   { transform: scale(1);    opacity: 1; }
}

.lightbox-close {
    position: fixed;
    top: 1.25rem;
    right: 1.5rem;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    font-size: 1.25rem;
    line-height: 1;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
    z-index: 10001;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.25);
}