/* Gallery Section */
.gallery {
    background: linear-gradient(135deg, #f8f9fa 0%, #e3f2fd 100%);
    position: relative;
}

.gallery-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.gallery-btn {
    padding: 0.7rem 1.5rem;
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 25px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    font-size: 0.9rem;
}

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

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    aspect-ratio: 1;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.gallery-image {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light-color);
    font-size: 2.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(52, 152, 219, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.gallery-overlay-content {
    text-align: center;
    color: var(--light-color);
    transform: translateY(20px);
    transition: var(--transition);
}

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

.gallery-overlay h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.gallery-overlay p {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

.zoom-btn {
    width: 40px;
    height: 40px;
    background: var(--light-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.zoom-btn:hover {
    background: var(--accent-color);
    color: var(--light-color);
    transform: scale(1.1);
}

/* Lightbox Modal */
.gallery-lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 3000;
    align-items: center;
    justify-content: center;
}

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

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    background: var(--light-color);
    border-radius: 10px;
    overflow: hidden;
    animation: lightboxZoom 0.3s ease-out;
}

@keyframes lightboxZoom {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.lightbox-image {
    max-width: 100%;
    max-height: 80vh;
    display: block;
}

.lightbox-caption {
    padding: 1rem;
    text-align: center;
    background: var(--light-color);
}

.lightbox-caption h4 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.lightbox-caption p {
    color: var(--text-color);
    font-size: 0.9rem;
}

.lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.7);
    color: var(--light-color);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-close:hover {
    background: var(--accent-color);
    transform: rotate(90deg);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 2rem;
    transform: translateY(-50%);
}

.lightbox-prev,
.lightbox-next {
    background: rgba(0, 0, 0, 0.7);
    color: var(--light-color);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: var(--accent-color);
    transform: scale(1.1);
}

/* Gallery Item Animations */
.gallery-item {
    animation: galleryItemAppear 0.6s ease-out;
}

@keyframes galleryItemAppear {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1rem;
    }
    
    .gallery-filter {
        gap: 0.7rem;
    }
    
    .gallery-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }
    
    .lightbox-nav {
        padding: 0 1rem;
    }
    
    .lightbox-prev,
    .lightbox-next {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-filter {
        flex-direction: column;
        align-items: center;
    }
    
    .gallery-btn {
        width: 200px;
    }
    
    .lightbox-content {
        max-width: 95%;
    }
}