.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-top: 24px;
}
.image-grid img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.2s;
    cursor: pointer;
}
.image-grid img:hover {
    transform: scale(1.04);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.lightbox {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    z-index: 1000;
    left: 0; top: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.8);
}
.lightbox-img {
    max-width: 90vw;
    max-height: 80vh;
    border-radius: 10px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.lightbox-close {
    position: absolute;
    top: 32px;
    right: 48px;
    color: #fff;
    font-size: 2.5rem;
    font-weight: bold;
    cursor: pointer;
    z-index: 1001;
    user-select: none;
}
@media (max-width: 600px) {
    .lightbox-img {
        max-width: 98vw;
        max-height: 60vh;
    }
    .lightbox-close {
        top: 12px;
        right: 18px;
        font-size: 2rem;
    }
}