/* Grundfarben */
body {
    background-color: rgb(37, 0, 139);
    color: rgb(0, 225, 255);
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
}

/* Titel */
h1 {
    margin: 20px 0;
}

/* Container */
.container {
    max-width: 1200px;
    width: 90%;
    margin: 0 auto;
}

/* Video-Bereich */
.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: 20px;
    border: 4px solid rgb(0, 225, 255);
    background: black;
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* Buttons */
.button-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin: 20px auto;
}

.nav-btn {
    width: 220px;
    height: 80px;
    font-size: 22px;
    background: black;
    color: rgb(0, 225, 255);
    border: 2px solid rgb(0, 225, 255);
    border-radius: 20px;
    cursor: pointer;
    transition: 0.2s;
}

.nav-btn:hover {
    background: rgb(0, 225, 255);
    color: black;
    transform: scale(1.05);
}

.nav-btn:active {
    transform: scale(0.95);
}