.video-container {
    width: 100%;
    max-width: 800px;
    margin: 30px auto;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 16/9;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    background: #000;
}

.video-container video {
    width: 100%;
    height: auto;
    display: block;
}