.rad-galerie {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space);
    margin-bottom: calc(3*var(--space));
}

/* Item Wrapper */
.rad-galerie-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

/* Bild */
.rad-galerie-img {
    width: 100%;
    height: auto;
    aspect-ratio: 3/2;
    display: block;
    transition: all 0.3s ease;
    margin: 0;
    object-fit: cover;
}

/* Overlay Text */
.rad-galerie-overlay {
    position: absolute;
    inset: 0;
    color: white;
    background: rgba(54, 63, 132, 0.8);
    padding: var(--space);
    opacity: 0;
    transition: all 0.3s ease;
    border-radius: var(--border-radius);
    word-break: normal;
    display: flex;
    align-items: center;
}

@media (hover: hover) {
    .rad-galerie-item:hover .rad-galerie-overlay {
        opacity: 1;
    }

    .rad-galerie-item:hover .rad-galerie-img {
        filter: grayscale(60%);
    }
}

/* Lightbox */
.rad-lightbox {
    position: fixed;
    inset: 0;
    background: hsla(233, 42%, 15%, 0.8);;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 9999;
    margin: 0;
}

/* geöffnet */
.rad-lightbox.active {
    opacity: 1;
    visibility: visible;
}

.rad-lightbox-img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--border-radius);
    margin: 0;
}

.rad-lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 3rem;
    cursor: pointer;
    line-height: 1;
}

/* Mobile: 1 Spalte */
@media (max-width: 768px) {
    .rad-galerie {
        grid-template-columns: 1fr;
    }

    .rad-galerie-item.active .rad-galerie-overlay {
        opacity: 1;
    }

    .rad-galerie-item.active .rad-galerie-img {
        filter: grayscale(60%);
    }
}