/* =============================================
   NLVISUALS — Standard Masonry Gallery
   ============================================= */

body {
    background: var(--bg);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.footer {
    display: block !important;
}

.gallery-section {
    position: relative;
    z-index: 1;
    background: var(--bg);
    min-height: 100vh;
}

/* Floating Back Button */
.floating-back {
    position: fixed;
    top: 50%;
    left: 2rem;
    transform: translateY(-50%) rotate(-90deg);
    transform-origin: left center;
    z-index: 100;
    mix-blend-mode: difference;
}

.back-link {
    font-family: var(--font-body);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--white);
    text-decoration: none;
    transition: opacity 0.3s;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.back-link:hover {
    opacity: 0.7;
}

.back-line {
    width: 40px;
    height: 1px;
    background: var(--white);
    display: inline-block;
}

/* Standard Masonry Layout */
.gallery-container {
    max-width: 1800px;
    margin: 0 auto;
    padding: 6rem 5vw 5vw 5vw;
}

.category-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 500;
    margin-bottom: 3rem;
    text-transform: capitalize;
    color: var(--white);
    display: none; /* JS will show this if desired, or we keep it hidden */
}

.category-nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.cat-link {
    font-family: var(--font-body);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--gray-400);
    text-decoration: none;
    padding-bottom: 4px;
    border-bottom: 1px solid transparent;
    transition: color 0.3s, border-color 0.3s;
    cursor: pointer;
}

.cat-link:hover {
    color: var(--white);
}

.cat-link.active {
    color: var(--white);
    border-bottom-color: var(--white);
}

.category-group {
    display: block;
    column-count: 4;
    column-gap: 1.5rem;
}

@media (max-width: 1400px) {
    .category-group {
        column-count: 3;
    }
}

@media (max-width: 900px) {
    .category-group {
        column-count: 2;
    }
}


@media (max-width: 900px) {
    .floating-back {
        display: none;
    }
}

@media (max-width: 500px) {
    .category-group {
        column-count: 2;
        column-gap: 1rem;
    }
}

.highlight-video {
    height: 350px !important;
}

.highlight-video .gallery-img {
    height: 100% !important;
}

.gallery-item {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    background: var(--gray-900); /* placeholder color while loading */
    transform: translateY(20px);
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
    break-inside: avoid;
    margin-bottom: 1.5rem;
}

.gallery-item.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 900px) {
    .gallery-item {
        /* No fixed height needed */
    }
}

@media (max-width: 500px) {
    .gallery-item {
        margin-bottom: 1rem;
    }
}

.gallery-img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.8s var(--ease-out-expo), filter 0.4s;
    will-change: transform;
}

/* Premium Hover Effects */

.gallery-item {
    transition: opacity 0.6s ease, transform 0.6s var(--ease-out-expo), filter 0.6s ease, box-shadow 0.6s ease;
}

.gallery-item:hover {
    z-index: 10;
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
}

.gallery-item:hover .gallery-img {
    transform: scale(1.05);
}

/* Hide the old text overlay completely */
.item-overlay {
    display: none !important;
}

/* Image fitting for CSS Grid cells */
.category-group .gallery-item {
    height: 100%;
    width: 100%;
}
.category-group .gallery-item .gallery-img {
    height: 100%;
    width: 100%;
    object-fit: cover;
}