/* ===== GALLERY PAGE ===== */
.gallery-page {
    position: relative;
    z-index: 10;
    background: var(--dark);
    min-height: 100vh;
}

/* Header */
.gallery-header {
    padding: 10rem 5vw 3rem;
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.gallery-back {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--gray);
    margin-bottom: 2rem;
    transition: color 0.3s ease;
}

.gallery-back:hover { color: var(--light); }

.gallery-back svg {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    fill: none;
}

.gallery-header h1 {
    font-family: var(--font-body);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--light);
    margin-bottom: 0.8rem;
}

.gallery-tag {
    font-size: 0.85rem;
    color: var(--gray);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ===== CAROUSEL DISPLAY ===== */
.gallery-carousel {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 5vw 6rem;
}

.carousel-stage {
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.carousel-track-wrapper {
    flex: 1;
    overflow: hidden;
    border-radius: 4px;
}

.carousel-track {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    min-height: 60vh;
}

.carousel-slide {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
}

.carousel-slide.active {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
    position: relative;
    z-index: 10;
}

.carousel-slide.prev {
    opacity: 0.25;
    transform: scale(0.85) translateX(-30%);
    z-index: 5;
}

.carousel-slide.next {
    opacity: 0.25;
    transform: scale(0.85) translateX(30%);
    z-index: 5;
}

.carousel-slide img {
    max-width: 100%;
    max-height: 65vh;
    object-fit: contain;
    border-radius: 2px;
    cursor: zoom-in;
    image-rendering: auto;
}

.carousel-btn {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    border: 1px solid var(--gray-light);
    border-radius: 50%;
    background: transparent;
    color: var(--light);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 5;
}

.carousel-btn:hover {
    background: var(--light);
    color: var(--dark);
    border-color: var(--light);
}

.carousel-btn svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
}

/* Thumbnails */
.carousel-thumbnails {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
    padding: 1rem 0;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--gray-light) transparent;
}

.carousel-thumbnails::-webkit-scrollbar { height: 4px; }
.carousel-thumbnails::-webkit-scrollbar-thumb { background: var(--gray-light); border-radius: 2px; }

.thumb {
    flex-shrink: 0;
    width: 70px;
    height: 70px;
    border: none;
    padding: 0;
    background: none;
    cursor: pointer;
    border-radius: 3px;
    overflow: hidden;
    opacity: 0.35;
    filter: grayscale(100%);
    transition: all 0.4s ease;
    outline: 2px solid transparent;
}

.thumb:hover {
    opacity: 0.7;
    filter: grayscale(30%);
}

.thumb.active {
    opacity: 1;
    filter: grayscale(0%);
    outline: 2px solid var(--light);
    outline-offset: 2px;
}

.thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===== MASONRY GRID DISPLAY ===== */
.gallery-grid-masonry {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 5vw 6rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.6rem;
    grid-auto-flow: dense;
}

.masonry-item {
    position: relative;
    overflow: hidden;
    border-radius: 3px;
    cursor: pointer;
    min-height: 220px;
}

/* Random sizes via nth-child patterns */
.masonry-item:nth-child(5n+1) { grid-row: span 2; }
.masonry-item:nth-child(7n+3) { grid-column: span 2; }
.masonry-item:nth-child(11n+5) { grid-column: span 2; grid-row: span 2; }

.masonry-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), filter 0.5s ease;
    filter: grayscale(20%);
    image-rendering: auto;
}

.masonry-item:hover img {
    transform: scale(1.06);
    filter: grayscale(0%);
}

/* ===== LIGHTBOX ===== */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.96);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

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

.lightbox-image-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 90vw;
    max-height: 90vh;
}

.lightbox-image-wrap img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 2px;
    image-rendering: auto;
    transition: opacity 0.3s ease;
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    background: none;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light);
    transition: all 0.3s ease;
    z-index: 10;
}

.lightbox-close:hover {
    background: var(--light);
    color: var(--dark);
    border-color: var(--light);
}

.lightbox-close svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: none;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light);
    transition: all 0.3s ease;
    z-index: 10;
}

.lightbox-nav:hover {
    background: var(--light);
    color: var(--dark);
    border-color: var(--light);
}

.lightbox-prev { left: 2rem; }
.lightbox-next { right: 2rem; }

.lightbox-nav svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
}

.lightbox-counter {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.8rem;
    letter-spacing: 3px;
    color: var(--gray);
    text-transform: uppercase;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .gallery-grid-masonry {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .gallery-header { padding: 8rem 5vw 2rem; }
    .gallery-header h1 { font-size: clamp(2rem, 8vw, 3rem); }

    .carousel-btn { width: 40px; height: 40px; }
    .carousel-btn svg { width: 16px; height: 16px; }
    .carousel-slide img { max-height: 50vh; }
    .carousel-track { min-height: 45vh; }

    .thumb { width: 50px; height: 50px; }

    .gallery-grid-masonry {
        grid-template-columns: repeat(2, 1fr);
    }
    .masonry-item { min-height: 160px; }
    .masonry-item:nth-child(5n+1) { grid-row: span 1; }
    .masonry-item:nth-child(11n+5) { grid-column: span 1; grid-row: span 1; }

    .lightbox-prev { left: 1rem; }
    .lightbox-next { right: 1rem; }
    .lightbox-close { top: 1rem; right: 1rem; }
    .lightbox-nav { width: 40px; height: 40px; }
}

@media (max-width: 480px) {
    .gallery-grid-masonry {
        grid-template-columns: 1fr 1fr;
    }
    .masonry-item:nth-child(7n+3) { grid-column: span 1; }
}