/* ============================================================
   NavTrack — Gallery Page
   ============================================================ */

.gallery-section {
    background: var(--bg-primary);
}

/* ── Masonry-style Grid ────────────────────────────────────── */
.gallery-grid {
    columns: 1;
    column-gap: 16px;
}

@media (min-width: 640px) {
    .gallery-grid { columns: 2; }
}

@media (min-width: 1024px) {
    .gallery-grid { columns: 3; }
}

.gallery-grid__item {
    break-inside: avoid;
    margin-bottom: 16px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    transition: all 0.35s var(--ease-out);
    cursor: pointer;
}

.gallery-grid__item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(15, 23, 42, 0.12);
    border-color: rgba(11, 44, 92, 0.15);
}

.gallery-grid__img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    transition: transform 0.5s var(--ease-out);
}

.gallery-grid__item:hover .gallery-grid__img {
    transform: scale(1.03);
}

/* Span variations for visual interest */
.gallery-grid__item--tall .gallery-grid__img {
    min-height: 380px;
    object-fit: cover;
}

.gallery-grid__item--wide .gallery-grid__img {
    min-height: 220px;
    object-fit: cover;
}

.gallery-grid__item--normal .gallery-grid__img {
    min-height: 240px;
    object-fit: cover;
}

/* Caption overlay */
.gallery-grid__caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px 18px;
    background: linear-gradient(to top, rgba(10, 20, 40, 0.8) 0%, transparent 100%);
    color: #ffffff;
    font-size: 0.875rem;
    font-weight: 500;
    opacity: 0;
    transform: translateY(8px);
    transition: all 0.3s var(--ease-out);
}

.gallery-grid__caption span,
.gallery-grid__caption small {
    display: block;
}

.gallery-grid__caption span {
    margin-bottom: 4px;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.78);
}

.gallery-grid__caption small {
    margin-top: 4px;
    font-size: 0.75rem;
    font-weight: 400;
    line-height: 1.4;
    color: rgba(255, 255, 255, 0.82);
}

.gallery-grid__item:hover .gallery-grid__caption {
    opacity: 1;
    transform: translateY(0);
}

/* ── Responsive adjustments ────────────────────────────────── */
@media (max-width: 639px) {
    .gallery-grid__item--tall .gallery-grid__img {
        min-height: 280px;
    }
    .gallery-grid__item--wide .gallery-grid__img {
        min-height: 180px;
    }
}