/* ========================================
   Rudraksh Techno India - Gallery Page CSS
   
   ======================================== */

/* ----------------------------------------
   Gallery Hero Section
   ---------------------------------------- */
.gallery-hero {
    padding: 120px 5% 60px;
    background: linear-gradient(135deg, var(--light), white);
    text-align: center;
}

.gallery-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--dark);
}

.gallery-hero h1 span {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gallery-hero p {
    color: var(--gray);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* ----------------------------------------
   Gallery Filter Buttons
   ---------------------------------------- */
.gallery-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 2rem 0 3rem;
}

.filter-btn {
    padding: 0.8rem 2rem;
    border: 2px solid transparent;
    background: white;
    color: var(--dark);
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    font-size: 0.95rem;
}

.filter-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.filter-btn.active {
    background: var(--gradient);
    color: white;
    border-color: transparent;
}

/* ----------------------------------------
   Gallery Grid
   ---------------------------------------- */
.gallery-section {
    padding: 2rem 5% 6rem;
    background: white;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Gallery Item */
.gallery-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    aspect-ratio: 4/3;
    cursor: pointer;
}

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

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* Gallery Overlay */
.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2rem;
    opacity: 0;
    transition: opacity 0.3s;
}

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

.gallery-overlay h3 {
    color: white;
    font-size: 1.3rem;
    margin-bottom: 0.3rem;
    transform: translateY(20px);
    transition: transform 0.3s;
}

.gallery-overlay p {
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
    transform: translateY(20px);
    transition: transform 0.3s 0.1s;
}

.gallery-item:hover .gallery-overlay h3,
.gallery-item:hover .gallery-overlay p {
    transform: translateY(0);
}

/* Category Badge */
.gallery-category {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--gradient);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 25px;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 2;
    box-shadow: var(--shadow-sm);
    text-transform: capitalize;
}

/* ----------------------------------------
   Lightbox Modal
   ---------------------------------------- */
.lightbox-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.95);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.lightbox-modal.active {
    display: flex;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.lightbox-content img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 10px;
    max-height: 80vh;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.lightbox-close:hover {
    transform: scale(1.2);
    color: var(--secondary);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.1);
    border: none;
    color: white;
    font-size: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-nav:hover {
    background: var(--gradient);
}

.lightbox-prev {
    left: -60px;
}

.lightbox-next {
    right: -60px;
}

.lightbox-caption {
    position: absolute;
    bottom: -40px;
    left: 0;
    color: white;
    font-size: 1rem;
}

/* ----------------------------------------
   Gallery Stats
   ---------------------------------------- */
.gallery-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 3rem auto 0;
    padding: 2rem;
    background: var(--light);
    border-radius: 20px;
}

.gallery-stat-item {
    text-align: center;
}

.gallery-stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.gallery-stat-label {
    color: var(--gray);
    font-size: 0.9rem;
    margin-top: 0.3rem;
}

/* ----------------------------------------
   Empty Gallery State
   ---------------------------------------- */
.gallery-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem;
    background: var(--light);
    border-radius: 20px;
    color: var(--gray);
}

.gallery-empty i {
    font-size: 4rem;
    margin-bottom: 1rem;
    display: block;
}

/* ----------------------------------------
   Responsive Design
   ---------------------------------------- */
@media (max-width: 1200px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 992px) {
    .gallery-hero h1 {
        font-size: 2.5rem;
    }
    
    .lightbox-prev {
        left: 10px;
    }
    
    .lightbox-next {
        right: 10px;
    }
    
    .lightbox-nav {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .gallery-hero {
        padding: 100px 5% 40px;
    }
    
    .gallery-hero h1 {
        font-size: 2rem;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1.5rem;
    }
    
    .gallery-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .filter-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .gallery-overlay {
        padding: 1.5rem;
    }
    
    .gallery-overlay h3 {
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .gallery-hero h1 {
        font-size: 1.8rem;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-stats {
        grid-template-columns: 1fr;
    }
    
    .lightbox-caption {
        bottom: -30px;
        font-size: 0.9rem;
    }
}