.banner {
    width: 100%;
    height: 100vh;
    text-align: center;
    overflow: hidden;
    position: relative;
}

    .banner .slider {
        position: absolute;
        width: 200px;
        height: 250px;
        top: 10%;
        left: calc(50% - 100px);
        transform-style: preserve-3d;
        transform: perspective(1000px);
        animation: autoRun 24s infinite; /* 12s für 6 Bilder, passe die Dauer an */
        z-index: 2;
    }

@keyframes autoRun {
    0%, 10% {
        transform: perspective(1000px) rotateX(-10deg) rotateY(0deg);
    }
    20%, 30% {
        transform: perspective(1000px) rotateX(-10deg) rotateY(calc(360deg / var(--quantity) * 1));
    }
    40%, 50% {
        transform: perspective(1000px) rotateX(-10deg) rotateY(calc(360deg / var(--quantity) * 2));
    }
    60%, 70% {
        transform: perspective(1000px) rotateX(-10deg) rotateY(calc(360deg / var(--quantity) * 3));
    }
    80%, 90% {
        transform: perspective(1000px) rotateX(-10deg) rotateY(calc(360deg / var(--quantity) * 4));
    }
    100% {
        transform: perspective(1000px) rotateX(-10deg) rotateY(calc(360deg / var(--quantity) * 5));
    }
}

.banner .slider .item {
    position: absolute;
    inset: 0 0 0 0;
    transform: rotateY(calc( (var(--position) - 1) * (360 / var(--quantity)) * 1deg)) translateZ(550px);
}

    .banner .slider .item img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

.banner .content {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: min(1400px, 100vw);
    height: max-content;
    padding-bottom: 100px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    z-index: 1;
}

    .banner .content h1 {
        font-size: 16em;
        line-height: 1em;
        color: #25283B;
        position: relative;
    }

        .banner .content h1::after {
            position: absolute;
            inset: 0 0 0 0;
            content: attr(data-content);
            z-index: 2;
            -webkit-text-stroke: 2px #d2d2d2;
            color: transparent;
        }

    .banner .content .author {
        text-align: right;
        max-width: 200px;
    }

    .banner .content h2 {
        font-size: 3em;
    }

    .banner .content .model {
        /*background-image: url(images/model.png);*/
        width: 100%;
        height: 75vh;
        position: absolute;
        bottom: 0;
        left: 0;
        background-size: auto 130%;
        background-repeat: no-repeat;
        background-position: top center;
        z-index: 1;
    }

@media screen and (max-width: 1023px) {
    .banner .slider {
        width: 160px;
        height: 200px;
        left: calc(50% - 80px);
    }

        .banner .slider .item {
            transform: rotateY(calc( (var(--position) - 1) * (360 / var(--quantity)) * 1deg)) translateZ(300px);
        }

    .banner .content h1 {
        text-align: center;
        width: 100%;
        text-shadow: 0 10px 20px #000;
        font-size: 7em;
    }

    .banner .content .author {
        color: #fff;
        padding: 20px;
        text-shadow: 0 10px 20px #000;
        z-index: 2;
        max-width: unset;
        width: 100%;
        text-align: center;
        padding: 0 30px;
    }
}

@media screen and (max-width: 767px) {
    .banner .slider {
        width: 100px;
        height: 150px;
        left: calc(50% - 50px);
    }

        .banner .slider .item {
            transform: rotateY(calc( (var(--position) - 1) * (360 / var(--quantity)) * 1deg)) translateZ(180px);
        }

    .banner .content h1 {
        font-size: 5em;
    }
}