body { font-family: sans-serif; margin: 0; padding: 0; }
header, footer, section { padding: 20px; text-align: center; }
.hero video { width: 100%; height: auto; position: absolute; z-index: -1; }
.overlay { position: relative; z-index: 1; padding-top: 200px; color: white; }
.button, .cta { padding: 10px 20px; background: orange; color: white; text-decoration: none; }