body{font-family:system-ui,sans-serif;line-height:1.6;margin:0;color:#17302b;background:#f6f8f7}main{max-width:36rem;padding:3rem 1.5rem;margin:auto}h1{line-height:1.2}p{margin:1.2rem 0}.brand{font-weight:700;color:#22634c}