.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    border: 1px solid var(--primary-light);
    background: transparent;
    color: var(--primary-color);
    border-radius: 30px;
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-normal);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.filter-btn.active, .filter-btn:hover {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-md);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
    gap: 25px;
}

.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-slow);
    background: var(--bg-main);
}

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

.gallery-item img,
.gallery-item .video-frame-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img,
.gallery-item:hover .video-frame-thumb {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(4, 120, 87, 0.8), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.gallery-overlay h3 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.gallery-type {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 35px;
    height: 35px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 0.9rem;
    box-shadow: var(--shadow-sm);
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.lightbox.active {
    display: flex;
}

.close-lightbox {
    position: absolute;
    top: 30px;
    right: 40px;
    color: white;
    font-size: 3rem;
    cursor: pointer;
    transition: transform var(--transition-normal);
}

.close-lightbox:hover {
    transform: scale(1.2) rotate(90deg);
}

.lightbox-content {
    max-width: 90%;
    max-height: 80vh;
    position: relative;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 8px;
    box-shadow: var(--shadow-xl);
}

.lightbox-content iframe {
    width: 80vw;
    height: 45vw;
    max-width: 1000px;
    max-height: 562px;
    border-radius: 8px;
    box-shadow: var(--shadow-xl);
}

.lightbox-caption {
    position: absolute;
    bottom: 40px;
    color: white;
    font-size: 1.2rem;
    text-align: center;
    width: 100%;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    transition: all var(--transition-normal);
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-nav.prev { left: 40px; }
.lightbox-nav.next { right: 40px; }

.lightbox-content img {
    animation: zoomIn var(--transition-normal) cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes zoomIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

@media (max-width: 992px) {
    .lightbox-nav {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }
    .lightbox-nav.prev { left: 10px; }
    .lightbox-nav.next { right: 10px; }
}

@media (max-width: 768px) {
    .close-lightbox {
        top: 15px;
        right: 20px;
        font-size: 2.2rem;
    }
    .lightbox {
        padding: 20px;
    }
}