/* Gallery Section */
.gallery-section {
    background: var(--white);
    padding: var(--spacing-xxl) 0;
    position: relative;
}

.gallery-section h2 {
    text-align: center;
    color: var(--primary-blue);
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xxl);
    position: relative;
}

.gallery-section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 2px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-medium);
    cursor: pointer;
    background: var(--light-gray);
}

.gallery-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-heavy);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.gallery-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.7), rgba(231, 76, 60, 0.7));
    opacity: 0;
    transition: opacity var(--transition-medium);
    z-index: 2;
}

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

.gallery-item::after {
    content: '🔍';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    font-size: 2rem;
    color: var(--white);
    z-index: 3;
    transition: transform var(--transition-medium);
}

.gallery-item:hover::after {
    transform: translate(-50%, -50%) scale(1);
}

/* Gallery Lightbox */
.gallery-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
}

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

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-heavy);
}

.lightbox-image {
    width: 100%;
    height: auto;
    display: block;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.7);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 10001;
}

.lightbox-close:hover {
    background: var(--accent-red);
    transform: scale(1.1);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(0, 0, 0, 0.7);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 10001;
}

.lightbox-nav:hover {
    background: var(--primary-blue);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

/* Gallery Categories */
.gallery-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--light-gray);
    color: var(--dark-gray);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-xl);
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
}

/* Gallery Animation */
.gallery-item {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease-out forwards;
}

.gallery-item:nth-child(1) { animation-delay: 0.1s; }
.gallery-item:nth-child(2) { animation-delay: 0.2s; }
.gallery-item:nth-child(3) { animation-delay: 0.3s; }
.gallery-item:nth-child(4) { animation-delay: 0.4s; }
.gallery-item:nth-child(5) { animation-delay: 0.5s; }
.gallery-item:nth-child(6) { animation-delay: 0.6s; }

/* Gallery Info Overlay */
.gallery-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: var(--white);
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
    transform: translateY(100%);
    transition: transform var(--transition-medium);
    z-index: 3;
}

.gallery-item:hover .gallery-info {
    transform: translateY(0);
}

.gallery-info h3 {
    font-size: 1.2rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
}

.gallery-info p {
    font-size: 0.9rem;
    opacity: 0.9;
    margin: 0;
}

/* Gallery Loading */
.gallery-loading {
    text-align: center;
    padding: var(--spacing-xl);
}

.gallery-loading .spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--light-gray);
    border-top: 4px solid var(--primary-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .gallery-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-md);
    }
}

@media (max-width: 992px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }
    
    .gallery-section h2 {
        font-size: 2rem;
    }
    
    .gallery-filters {
        gap: var(--spacing-sm);
    }
}

@media (max-width: 768px) {
    .gallery-section {
        padding: var(--spacing-xl) 0;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-item img {
        height: 200px;
    }
    
    .gallery-section h2 {
        font-size: 1.8rem;
        margin-bottom: var(--spacing-lg);
    }
    
    .filter-btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.9rem;
    }
    
    .lightbox-content {
        max-width: 95%;
        max-height: 95%;
    }
    
    .lightbox-close,
    .lightbox-nav {
        width: 35px;
        height: 35px;
        font-size: 1.2rem;
    }
    
    .lightbox-prev {
        left: 10px;
    }
    
    .lightbox-next {
        right: 10px;
    }
}

@media (max-width: 576px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .gallery-item img {
        height: 180px;
    }
    
    .gallery-section h2 {
        font-size: 1.5rem;
    }
    
    .gallery-filters {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        min-width: 120px;
    }
    
    .gallery-info {
        padding: var(--spacing-md) var(--spacing-sm) var(--spacing-sm);
    }
    
    .gallery-info h3 {
        font-size: 1rem;
    }
    
    .gallery-info p {
        font-size: 0.8rem;
    }
}

/* Gallery Masonry Layout (Alternative) */
.gallery-masonry {
    column-count: 3;
    column-gap: var(--spacing-lg);
}

.gallery-masonry .gallery-item {
    break-inside: avoid;
    margin-bottom: var(--spacing-lg);
}

.gallery-masonry .gallery-item img {
    height: auto;
}

@media (max-width: 992px) {
    .gallery-masonry {
        column-count: 2;
    }
}

@media (max-width: 576px) {
    .gallery-masonry {
        column-count: 1;
    }
}

/* Gallery Load More */
.gallery-load-more {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.load-more-btn {
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-medium);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.load-more-btn:hover {
    background: var(--secondary-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.load-more-btn:disabled {
    background: var(--light-gray);
    color: var(--dark-gray);
    cursor: not-allowed;
    transform: none;
}

/* Gallery Statistics */
.gallery-stats {
    background: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-xl);
    text-align: center;
}

.gallery-stats h3 {
    color: var(--primary-blue);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
}

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

.stat-number {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--accent-red);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 1rem;
    color: var(--dark-gray);
    font-weight: var(--font-weight-medium);
}

/* Gallery Hover Effects */
.gallery-item.zoom-effect:hover img {
    transform: scale(1.2);
}

.gallery-item.slide-effect:hover img {
    transform: translateY(-10px);
}

.gallery-item.rotate-effect:hover img {
    transform: rotate(3deg) scale(1.05);
}

/* Gallery Border Animations */
.gallery-item.border-animation {
    position: relative;
    overflow: visible;
}

.gallery-item.border-animation::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--primary-blue), var(--accent-red), var(--accent-yellow), var(--accent-green));
    border-radius: var(--radius-lg);
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.gallery-item.border-animation:hover::before {
    opacity: 1;
    animation: borderRotate 2s linear infinite;
}

@keyframes borderRotate {
    0% {
        background: linear-gradient(45deg, var(--primary-blue), var(--accent-red), var(--accent-yellow), var(--accent-green));
    }
    25% {
        background: linear-gradient(135deg, var(--accent-red), var(--accent-yellow), var(--accent-green), var(--primary-blue));
    }
    50% {
        background: linear-gradient(225deg, var(--accent-yellow), var(--accent-green), var(--primary-blue), var(--accent-red));
    }
    75% {
        background: linear-gradient(315deg, var(--accent-green), var(--primary-blue), var(--accent-red), var(--accent-yellow));
    }
    100% {
        background: linear-gradient(45deg, var(--primary-blue), var(--accent-red), var(--accent-yellow), var(--accent-green));
    }
}