body{font-family:system-ui,sans-serif;max-width:720px;margin:2rem auto;padding:0 1rem;line-height:1.6;color:#222}
header a{color:inherit;text-decoration:none}nav a{margin-right:1rem}a{color:#f38020}
footer{margin-top:3rem;font-size:.85rem;color:#777}