html {
    -webkit-user-select: none;
    -webkit-text-size-adjust: none;
    position: fixed;
    overflow: hidden;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    background: silver;
}
body {
    width: 100%;
    height: 100%;
    background: #000;
    padding: 0;
    margin: 0;
    font-weight: bold;
}
#ocean-canvas {
    position: fixed;
    top: 0;
    left: 0;
    z-index: -1; /* Behind content */
}
.content {
    position: relative;
    z-index: 1;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    box-sizing: border-box;
}
video {
    max-width: 90%;
    max-height: 85vh;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255,255,255,0.15);
}