/* ==========================================================================
   GALLERY STYLES
   ========================================================================== */

/* Filter Tabs */
.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--color-secondary);
    color: var(--color-primary);
    padding: 8px 24px;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover, .filter-btn.active {
    background: var(--color-secondary);
    color: var(--color-white);
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    aspect-ratio: 4/3;
    display: block; /* ensure block by default */
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

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

.gallery-item:hover img {
    transform: scale(1.05);
}

/* Gallery Overlay */
.gallery-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.gallery-overlay h3 {
    color: var(--color-white);
    font-size: 1.25rem;
    font-weight: 700;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

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

/* Lightbox Modal */
.lightbox-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.lightbox-modal.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    transition: opacity 0.2s ease;
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    background: none;
    border: none;
    cursor: pointer;
    color: white;
}

.lightbox-close svg {
    width: 32px;
    height: 32px;
    fill: white;
    transition: transform 0.3s ease;
}

.lightbox-close:hover svg {
    transform: rotate(90deg) scale(1.1);
}

.lightbox-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.1);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.3s ease;
}

.lightbox-btn:hover {
    background: rgba(255,255,255,0.3);
}

.lightbox-btn svg {
    width: 24px;
    height: 24px;
    fill: white;
}

.lightbox-prev {
    left: 30px;
}

.lightbox-next {
    right: 30px;
}

@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: 1fr 1fr;
        gap: 15px;
    }
    
    .filter-btn {
        padding: 6px 16px;
        font-size: 0.8rem;
    }
    
    .lightbox-prev {
        left: 10px;
    }
    
    .lightbox-next {
        right: 10px;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .filter-tabs {
        gap: 8px;
    }
}