.sponsor-slider-hochformat {
    position: relative;
    width: 100%;
    max-width: 280px;
    aspect-ratio: 2 / 3;
    margin: 0 auto;
    overflow: hidden;
    background: transparent;
}

.sponsor-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sponsor-slide.is-active {
    opacity: 1;
}

.sponsor-slide img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
}

.sponsor-slide img.is-landscape {
    transform: rotate(90deg);
    max-width: none;
    width: 100%;
    height: auto;
}