/* Gallery Filters */
.gallery-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.filter-btn {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-dark);
    background: transparent;
    border: 1px solid var(--color-bg-gray);
    padding: 10px 22px;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.filter-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.filter-btn.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg-white);
}

.filter-btn:focus-visible,
.gallery-tile:focus-visible,
.lightbox-close:focus-visible,
.lightbox-nav:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

/* Masonry Grid */
.gallery-masonry {
    column-count: 3;
    column-gap: var(--spacing-md);
}

.gallery-tile {
    display: block;
    position: relative;
    overflow: hidden;
    break-inside: avoid;
    margin-bottom: var(--spacing-md);
    background-color: var(--color-bg-gray);
    box-shadow: 0 5px 20px rgba(0,0,0,0.06);
}

.gallery-tile img {
    display: block;
    width: 100%;
    height: auto;
    transition: transform 0.5s ease;
}

.gallery-tile:hover img {
    transform: scale(1.06);
}

.gallery-tile[hidden] {
    display: none;
}

.gallery-tile-caption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: var(--spacing-md) var(--spacing-sm) var(--spacing-sm);
    background: linear-gradient(to top, rgba(10,35,21,0.85) 0%, rgba(10,35,21,0) 100%);
    color: var(--color-bg-white);
    display: flex;
    flex-direction: column;
    gap: 2px;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.gallery-tile:hover .gallery-tile-caption,
.gallery-tile:focus-visible .gallery-tile-caption {
    opacity: 1;
    transform: translateY(0);
}

.gallery-tile-cat {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-accent);
}

.gallery-tile-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    line-height: 1.3;
}

.gallery-empty {
    text-align: center;
    padding: var(--spacing-lg) 0;
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background-color: rgba(10, 15, 12, 0.94);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
    padding: var(--spacing-md);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-figure {
    max-width: 90vw;
    max-height: 88vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0;
}

.lightbox-figure img {
    max-width: 90vw;
    max-height: 72vh;
    width: auto;
    height: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.lightbox-figure figcaption {
    color: var(--color-bg-white);
    text-align: center;
    margin-top: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.lightbox-cat {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--color-accent);
}

.lightbox-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
}

.lightbox-counter {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.6);
}

.lightbox-close,
.lightbox-nav {
    position: absolute;
    background: transparent;
    border: none;
    color: var(--color-bg-white);
    cursor: pointer;
    line-height: 1;
}

.lightbox-close {
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 2.5rem;
    font-weight: 300;
    padding: 0 var(--spacing-xs);
}

.lightbox-close:hover,
.lightbox-nav:hover {
    color: var(--color-accent);
}

.lightbox-nav {
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.8rem;
    padding: var(--spacing-sm);
}

.lightbox-prev {
    left: var(--spacing-xs);
}

.lightbox-next {
    right: var(--spacing-xs);
}

body.lightbox-open {
    overflow: hidden;
}

/* Responsive */
@media (max-width: 992px) {
    .gallery-masonry {
        column-count: 2;
    }
}

@media (max-width: 600px) {
    .gallery-masonry {
        column-count: 1;
    }

    .gallery-filters {
        gap: 8px;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 0.75rem;
    }

    .lightbox-nav {
        font-size: 1.4rem;
        padding: var(--spacing-xs);
    }

    .lightbox-close {
        font-size: 2rem;
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }
}