.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 0 15px;
}
.gallery-item {
    cursor: pointer;
    overflow: hidden;
    border-radius: 8px;
}
.gallery-thumb {
    width: 100%;
    height: auto;
    transition: transform 0.3s ease;
}
.gallery-item:hover .gallery-thumb {
    transform: scale(1.05);
}
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    justify-content: center;
    align-items: center;
    z-index: 1000;
}
.lightbox-img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 8px;
}
.close-btn {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 40px;
    cursor: pointer;
}