/* ========================================
   GALLERY PAGE STYLES
   One Source Gallery - Bronze Luxury Theme
   ======================================== */

/* ========================================
   1. GALLERY HERO SLIDESHOW
   ======================================== */

.gallery-page {
    margin: 0;
    padding-top: 0;
}

/* Gallery Hero Section */
.gallery-hero-section {
    position: relative;
    height: 600px;
    margin: clamp(0.5rem, 4vw, 2rem);
    margin-top: clamp(1rem, 3vw, 1.5rem);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* Slideshow Container */
.gallery-slideshow {
    position: relative;
    width: 100%;
    height: 100%;
}

/* Individual Slides */
.gallery-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    z-index: 1;
}

.gallery-slide.active {
    opacity: 1;
    z-index: 2;
}

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

/* Slideshow Controls */
.slideshow-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    background: var(--glass-bg-strong);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    color: var(--color-dark);
    backdrop-filter: var(--glass-blur-light);
    -webkit-backdrop-filter: var(--glass-blur-light);
}

.slideshow-control:hover {
    background: var(--gradient-bronze-soft);
    color: var(--color-white);
    transform: translateY(-50%) scale(1.1);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.slideshow-control.prev {
    left: 2rem;
}

.slideshow-control.next {
    right: 2rem;
}

/* Slideshow Indicators */
.slideshow-indicators {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 0.75rem;
}

.slideshow-indicators .indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.8);
    background-color: transparent;
    cursor: pointer;
    transition: var(--transition);
    padding: 0;
}

.slideshow-indicators .indicator:hover {
    background-color: rgba(255, 255, 255, 0.6);
    transform: scale(1.2);
}

.slideshow-indicators .indicator.active {
    background-color: var(--color-white);
    border-color: var(--color-white);
    transform: scale(1.3);
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.3);
}

/* Gallery Hero Content Overlay */
.gallery-hero-content {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) translateY(0);
    z-index: 5;
    text-align: center;
    color: var(--color-white);
    padding: 3rem 4rem;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    opacity: 1;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
    pointer-events: auto;
}

.gallery-hero-content.hidden {
    transform: translateX(-50%) translateY(100px);
    opacity: 0;
    pointer-events: none;
}

.gallery-hero-section:hover .gallery-hero-content.hidden {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.gallery-hero-content h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
    color: var(--color-white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.gallery-hero-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 0;
}

/* ========================================
   2. GALLERY GRID SECTION
   ======================================== */

.gallery-grid-section {
    background-color: var(--color-white);
    margin: clamp(1rem, 4vw, 2rem);
    border-radius: var(--radius-xl);
    padding: clamp(3rem, 6vw, 5rem) clamp(1.5rem, 4vw, 2rem);
    box-shadow: var(--shadow-sm);
}

/* Asymmetrical Masonry Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.5rem;
    margin-top: 3rem;
    grid-auto-rows: 280px;
    grid-auto-flow: dense;
}

/* Skeleton shimmer animation */
@keyframes gallery-shimmer {
    0%   { background-position: -600px 0; }
    100% { background-position: 600px 0; }
}

/* Gallery Items - Base Styles */
.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
    /* Skeleton background shown while image loads */
    background: linear-gradient(
        90deg,
        #e8e2d9 25%,
        #f0ebe3 50%,
        #e8e2d9 75%
    );
    background-size: 600px 100%;
    animation: gallery-shimmer 1.5s infinite linear;
}

/* Hover gradient overlay */
.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        transparent 50%,
        rgba(44, 36, 22, 0.4) 100%
    );
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
    border-radius: var(--radius-lg);
    pointer-events: none;
}

.gallery-item:hover::after {
    opacity: 1;
}

.gallery-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: var(--radius-lg);
    transition: transform 0.6s var(--ease-out), opacity 0.5s ease;
    /* Start invisible — fade in once loaded */
    opacity: 0;
}

.gallery-item img.loaded {
    opacity: 1;
}

/* Once image is loaded, remove skeleton shimmer */
.gallery-item.img-loaded {
    background: none;
    animation: none;
}

.gallery-item:hover img {
    transform: scale(1.03);
}

/* Asymmetrical Size Variations */
.gallery-item.square {
    grid-column: span 1;
    grid-row: span 1;
}

.gallery-item.landscape {
    grid-column: span 2;
    grid-row: span 1;
}

.gallery-item.portrait {
    grid-column: span 1;
    grid-row: span 2;
}

/* Hover Overlay Effect - Hidden (Using glow effect instead) */
.gallery-item-overlay {
    display: none;
}

/* Plus Icon - Hidden */
.gallery-item-icon {
    display: none;
}

/* ========================================
   3. FULLSCREEN OVERLAY MODAL
   ======================================== */

/* Overlay Container */
.gallery-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000; /* Higher than header (1000) */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

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

/* Glass Effect Backdrop */
.gallery-overlay-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(44, 36, 22, 0.8);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    z-index: 1;
}

/* Overlay Content Container */
.gallery-overlay-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

/* Close Button */
.gallery-overlay-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    z-index: 10;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    color: var(--color-white);
    backdrop-filter: var(--glass-blur-light);
    -webkit-backdrop-filter: var(--glass-blur-light);
}

.gallery-overlay-close:hover {
    background: var(--gradient-bronze-soft);
    border-color: transparent;
    transform: rotate(90deg) scale(1.1);
}

/* Overlay Image Container */
.gallery-overlay-image-container {
    max-width: 90%;
    max-height: 85%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.gallery-overlay-image-container img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: imageZoomIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes imageZoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Overlay Navigation Controls */
.gallery-overlay-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    color: var(--color-white);
    backdrop-filter: var(--glass-blur-light);
    -webkit-backdrop-filter: var(--glass-blur-light);
}

.gallery-overlay-nav:hover {
    background: var(--gradient-bronze-soft);
    border-color: transparent;
    transform: translateY(-50%) scale(1.1);
}

.gallery-overlay-nav.prev {
    left: 3rem;
}

.gallery-overlay-nav.next {
    right: 3rem;
}

/* Image Counter */
.gallery-overlay-counter {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--color-white);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ========================================
   4. ACCESSIBILITY & INTERACTIONS
   ======================================== */

/* Focus styles for keyboard navigation */
.slideshow-control:focus,
.indicator:focus,
.gallery-item:focus,
.gallery-overlay-close:focus,
.gallery-overlay-nav:focus {
    outline: 3px solid var(--color-secondary);
    outline-offset: 3px;
}

/* Prevent body scroll when overlay is active */
body.gallery-overlay-open {
    overflow: hidden;
}


/* ========================================
   5. GALLERY FILTER PILLS
   ======================================== */

.gallery-filter-pills {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 0 auto 3rem;
}

.gallery-filter-pill {
    display: inline-block;
    padding: 0.55rem 1.6rem;
    border-radius: 999px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    border: 1.5px solid var(--color-primary);
    color: var(--color-primary);
    background: transparent;
    transition: var(--transition-smooth);
    letter-spacing: 0.03em;
    white-space: nowrap;
}

.gallery-filter-pill:hover {
    background: var(--color-primary);
    color: var(--color-cream);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.gallery-filter-pill.active {
    background: var(--color-primary);
    color: var(--color-cream);
    box-shadow: var(--shadow-sm);
}

/* Video hero for 3D walkthrough page */
.gallery-hero-video {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    z-index: 1;
}