:root { --container: 1200px; }
* { box-sizing:border-box; }
body { margin:0; font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 16px; }
.site-header, .site-footer { padding: 20px 0; }
.site-main { min-height: 60vh; }
.menu { list-style:none; margin:0; padding:0; display:flex; gap:16px; }
.menu a { text-decoration:none; }