.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    padding: 2rem;
    margin-left: 8%;
    margin-right: 8%;
}

.gallery img {
    width: 100%;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease;
}

.gallery img:hover {
    transform: scale(1.03);
}

.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.lightbox img {
    max-width: 90%;
    max-height: 90%;
    border-radius: 10px;
}

.lightbox:after {
    content: '✕';
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 2rem;
    cursor: pointer;
}