* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: system-ui, -apple-system, sans-serif; line-height: 1.6; color: #222; background: #fafafa; }
.site-header, .site-footer { padding: 1rem 2rem; background: #1e293b; color: white; }
.site-header a, .site-footer a { color: white; margin-right: 1rem; text-decoration: none; }
.logo { font-weight: bold; margin-right: 2rem; }
main { max-width: 800px; margin: 2rem auto; padding: 0 1rem; }
h1 { margin-bottom: 1rem; }
p { margin-bottom: 1rem; }