/* ============================================
   SOUNDS UNLIMITED - Gallery Page Styles
   ============================================ */

/* Gallery Hero */
.gallery-hero {
    position: relative;
    padding: calc(var(--space-5xl) + 80px) 0 var(--space-4xl);
    overflow: hidden;
    background: var(--color-dark);
}

.gallery-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.gallery-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
    filter: saturate(0.5);
}

.gallery-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, var(--color-dark), rgba(17, 17, 17, 0.8) 50%, var(--color-dark));
}

.gallery-hero .container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.gallery-hero .section-tag {
    margin-bottom: var(--space-lg);
}

.gallery-hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.gallery-hero-subtitle {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-gray-400);
    max-width: 600px;
    margin: 0 auto;
}

/* Gallery Content */
.gallery-content {
    padding: var(--space-4xl) 0 var(--space-5xl);
    background: var(--color-charcoal);
}

/* Gallery Toolbar */
.gallery-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2xl);
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.gallery-filters {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.gallery-filter-btn {
    padding: var(--space-sm) var(--space-lg);
    background: transparent;
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-full);
    color: var(--color-gray-400);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    white-space: nowrap;
}

.gallery-filter-btn:hover {
    color: var(--color-white);
    border-color: var(--color-gray-700);
}

.gallery-filter-btn.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
    box-shadow: 0 0 16px var(--color-accent-glow);
}

.gallery-count {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    white-space: nowrap;
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

/* Gallery Card */
.gallery-card {
    background: var(--color-dark);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
    animation: cardFadeIn 0.5s ease forwards;
    opacity: 0;
}

@keyframes cardFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.gallery-card:hover {
    border-color: var(--color-gray-700);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.gallery-card-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.gallery-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}

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

.gallery-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--duration-normal) ease;
}

.gallery-card:hover .gallery-card-overlay {
    opacity: 1;
}

.gallery-card-view {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-white);
    font-size: 0.9375rem;
    font-weight: 500;
    padding: var(--space-sm) var(--space-lg);
    background: rgba(59, 130, 246, 0.9);
    border-radius: var(--radius-full);
}

.gallery-card-info {
    padding: var(--space-lg);
}

.gallery-card-category {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.gallery-card-title {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.gallery-card-desc {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--color-gray-400);
}

/* ============================================
   LIGHTBOX
   ============================================ */

.gallery-lightbox {
    position: fixed;
    inset: 0;
    z-index: 10060;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-normal) var(--ease-out);
}

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

.lightbox-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.lightbox-container {
    position: relative;
    z-index: 1;
    width: 90vw;
    max-width: 1100px;
    max-height: 90vh;
    background: var(--color-dark);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: scale(0.95);
    transition: transform var(--duration-normal) var(--ease-out);
}

.gallery-lightbox.active .lightbox-container {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    z-index: 10;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-md);
    color: var(--color-gray-300);
    cursor: pointer;
    transition: all var(--duration-fast) ease;
}

.lightbox-close:hover {
    color: var(--color-white);
    background: rgba(0, 0, 0, 0.8);
}

.lightbox-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    overflow-y: auto;
    max-height: 90vh;
}

/* Lightbox Carousel */
.lightbox-carousel {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--color-black);
}

.lightbox-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.lightbox-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity var(--duration-normal) ease;
}

.lightbox-slide.active {
    opacity: 1;
}

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

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-white);
    cursor: pointer;
    transition: all var(--duration-fast) ease;
}

.lightbox-prev { left: var(--space-md); }
.lightbox-next { right: var(--space-md); }

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(0, 0, 0, 0.8);
    border-color: rgba(255, 255, 255, 0.2);
}

.lightbox-dots {
    position: absolute;
    bottom: var(--space-md);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-sm);
    z-index: 5;
}

.lightbox-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    cursor: pointer;
    transition: all var(--duration-fast) ease;
    padding: 0;
}

.lightbox-dot.active {
    background: var(--color-white);
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}

/* Lightbox Details */
.lightbox-details {
    padding: var(--space-2xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    overflow-y: auto;
}

.lightbox-category {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
}

.lightbox-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: -0.02em;
}

.lightbox-description {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--color-gray-400);
}

.lightbox-equipment {
    background: var(--color-dark-elevated);
    border: 1px solid var(--color-dark-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

.lightbox-equipment h4 {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-300);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.lightbox-equipment-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.lightbox-equipment-list li {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    padding-left: var(--space-lg);
    position: relative;
}

.lightbox-equipment-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
}

.lightbox-details .btn {
    align-self: flex-start;
    margin-top: auto;
}

/* Before/After Slider */
.lightbox-before-after {
    padding: var(--space-xl) var(--space-2xl) var(--space-2xl);
    border-top: 1px solid var(--color-dark-border);
    grid-column: 1 / -1;
}

.lightbox-before-after h4 {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-300);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.ba-container {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    border-radius: var(--radius-lg);
    cursor: ew-resize;
    border: 1px solid var(--color-dark-border);
}

.ba-before,
.ba-after {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ba-after {
    clip-path: inset(0 50% 0 0);
}

.ba-slider {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 3px;
    background: var(--color-white);
    transform: translateX(-50%);
    z-index: 5;
    cursor: ew-resize;
}

.ba-slider::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 36px;
    height: 36px;
    background: var(--color-white);
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.ba-slider::before {
    content: '\2194';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    font-size: 16px;
    color: var(--color-dark);
    font-weight: 700;
}

.ba-label-before,
.ba-label-after {
    position: absolute;
    bottom: var(--space-md);
    padding: var(--space-xs) var(--space-md);
    background: rgba(0, 0, 0, 0.6);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    z-index: 4;
}

.ba-label-before { left: var(--space-md); }
.ba-label-after { right: var(--space-md); }

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .lightbox-content {
        grid-template-columns: 1fr;
    }

    .lightbox-carousel {
        aspect-ratio: 16/9;
    }

    .lightbox-container {
        width: 95vw;
        max-height: 95vh;
    }
}

@media (max-width: 768px) {
    .gallery-hero {
        padding: calc(var(--space-4xl) + 80px) 0 var(--space-3xl);
    }

    .gallery-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .gallery-filters {
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: var(--space-sm);
        -webkit-overflow-scrolling: touch;
    }

    .lightbox-before-after {
        padding: var(--space-lg);
    }
}

@media (max-width: 640px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .gallery-content {
        padding: var(--space-2xl) 0 var(--space-4xl);
    }

    .lightbox-details {
        padding: var(--space-lg);
    }

    .lightbox-close {
        top: var(--space-md);
        right: var(--space-md);
    }
}