/* ========================================
   Decorra - Custom Window Coverings
   Page Specific Styles - Gallery
   ======================================== */

.gallery-page {
    background-color: var(--background-light);
}

.gallery-header {
    padding: 100px 0 10px;
    background: var(--primary-color);
    color: var(--background-white);
    text-align: center;
    position: relative;
}

/* Subtle pattern overlay for visual depth */
.gallery-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-color);
    pointer-events: none;
}

.gallery-header .section-header {
    position: relative;
    z-index: 1;
}

.gallery-header .section-tag {
    color: var(--background-white);
    display: inline-block;
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.gallery-header .section-title {
    color: var(--background-white);
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 20px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    font-weight: 600;
    letter-spacing: -0.5px;
}

.gallery-intro {
    font-size: 18px;
    color: var(--text-white);
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
    font-weight: 300;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.2);
}

.gallery-main {
    padding: 40px 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--background-white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.gallery-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

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

.gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
    filter: saturate(1.1);
}

.gallery-item:hover .gallery-image img {
    transform: scale(1.1);
    filter: saturate(1.3);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top,var(--primary-overlay) 0%, transparent 100%);
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding: 20px;
    opacity: 0;
    transition: var(--transition-normal);
}

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

.gallery-info {
    color: var(--background-white);
}

.gallery-info h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    margin-bottom: 5px;
}

.gallery-info p {
    font-size: 14px;
    color: var(--text-white);
    opacity: 0.9;
}

.gallery-expand {
    width: 40px;
    height: 40px;
    background: var(--secondary-color);
    color: var(--text-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.gallery-expand:hover {
    background: var(--accent-color);
    transform: scale(1.1);
}

/* ========================================
   Mobile Responsive Styles
   ======================================== */

@media (max-width: 768px) {
    .gallery-header {
        padding: 120px 0 60px;
    }
    
    .gallery-intro {
        font-size: 16px;
    }
    
    .gallery-main {
        padding: 40px 0;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .gallery-info h3 {
        font-size: 14px;
    }
    
    .gallery-info p {
        font-size: 12px;
    }
    
    .gallery-expand {
        width: 32px;
        height: 32px;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-header {
        padding: 100px 0 50px;
    }
    
    .gallery-header .section-title {
        font-size: 2rem;
    }
}

/* ========================================
   Bottom-Aligned Thumbnail Slider
   ======================================== */

.gallery-slider {
    padding: 60px 0;
    background: var(--background-light);
}

/* Primary Viewport */
.slider-viewport {
    max-width: 800px;
    margin: 0 auto 30px;
}

.slider-main-image {
    position: relative;
    aspect-ratio: 4/5;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--background-cream);
    box-shadow: var(--shadow-md);
}

.slider-main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity var(--transition-normal);
}

/* Navigation Arrows */
.slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
    z-index: 2;
    color: var(--text-color);
}

.slider-nav:hover {
    background: var(--accent-color);
    transform: translateY(-50%) scale(1.1);
}

.slider-prev { left: 20px; }
.slider-next { right: 20px; }

/* Image Info */
.slider-info {
    text-align: center;
    padding: 20px;
}

.slider-info h3 {
    font-family: var(--font-heading);
    font-size: 24px;
    color: var(--text-color);
    margin-bottom: 8px;
}

.slider-info p {
    font-size: 16px;
    color: var(--text-light);
}

/* Thumbnail Strip */
.slider-thumbnails-wrapper {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 40px;
}

.slider-thumbnails {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 10px 5px;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--background-cream);
}

.slider-thumbnails::-webkit-scrollbar {
    height: 6px;
}

.slider-thumbnails::-webkit-scrollbar-track {
    background: var(--background-cream);
    border-radius: var(--radius-full);
}

.slider-thumbnails::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: var(--radius-full);
}

/* Individual Thumbnails */
.slider-thumb {
    flex: 0 0 auto;
    width: 100px;
    height: 130px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    opacity: 0.6;
    transition: var(--transition-normal);
    border: 3px solid transparent;
}

.slider-thumb:hover {
    opacity: 0.9;
}

.slider-thumb.active {
    opacity: 1;
    border-color: var(--secondary-color);
    transform: scale(1.05);
}

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

/* Mobile Responsive - Slider */
@media (max-width: 768px) {
    .gallery-slider {
        padding: 40px 0;
    }
    
    .slider-thumbnails-wrapper {
        padding: 0 20px;
    }
    
    .slider-thumb {
        width: 80px;
        height: 100px;
    }
    
    .slider-nav {
        width: 40px;
        height: 40px;
    }
    
    .slider-prev { left: 10px; }
    .slider-next { right: 10px; }
    
    .slider-info h3 {
        font-size: 20px;
    }
    
    .slider-info p {
        font-size: 14px;
    }
}