#background-video-container {
    /* Layout */
    inset: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    z-index: var(--z-index-background-video);
    overflow: hidden;
    width: 100vw;
    height: 100vh;
    /* Formatierung */
    background-color: black;
}

#background-video-overlay {
    /* Layout */
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    overflow: hidden;
    min-width: 100%;
    min-height: 100%;
}

#background-video {
    /* Layout */
    aspect-ratio: 16/9;
    object-fit: cover;
    width: auto;
    min-width: 100%;
    height: 100%;
    min-height: 100%;
    /* Formatierung */
    opacity: 0;
    transition: opacity 1s ease, transform 0.5s ease;
}

#background-video.active {
    /* Layout */
    z-index: var(--z-index-background-video-active);
    /* Formatierung */
    opacity: 1;
    transform: scale(1.02);
    transition: opacity 1s ease, transform 0.5s ease;
}

#background-video-overlay {
    /* Layout */
    height: 100vh;
    z-index: var(--z-index-background-video-overlay);
    /* Formatierung */
    backdrop-filter: blur(4px) brightness(0.8);
    -webkit-backdrop-filter: blur(4px) brightness(0.8);
    background: rgba(255, 255, 255, 0.05);
}