.gallery {
    column-count: 3;
    column-gap: 15px;
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-item {
    break-inside: avoid;
    margin-bottom: 15px;
    cursor: pointer;
    transition: transform 0.3s;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.gallery-item img {
    width: 100%;
    display: block;
    border-radius: 10px;
}

/* Modal */
.modal {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 999;
}

.modal-content {
    background: white;
    padding: 1rem;
    border-radius: 8px;
    max-width: 90%;
    max-height: 80%;
    text-align: center;
}

.modal-content img {
    max-width: 100%;
    max-height: 400px;
    border-radius: 6px;
    margin-bottom: 1rem;
}

.modal-content p {
    font-size: 1rem;
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 30px;
    cursor: pointer;
}

/* Responsive columns */
@media (max-width: 900px) {
    .gallery {
        column-count: 2;
    }
}

@media (max-width: 600px) {
    .gallery {
        column-count: 1;
    }
}