.video-container {
    position: relative;
    width: 100%;
    max-width: 800px; /* Optional: limits max width */
    aspect-ratio: 16 / 9; /* Modern way to maintain ratio */
}

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