:root{--bg:#f7f8f6;--surface:#fff;--text:#1f2933;--muted:#5f6f64;--accent:#8fae9e;--accent-dark:#6f8f80;--border:#e4e7e4}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}h1{margin-bottom:1.25rem;font-size:clamp(2.2rem,4vw,3rem);line-height:1.2}h2{margin-top:3rem;margin-bottom:1rem;font-size:1.6rem}p{max-width:60ch;margin-bottom:1.25rem}section{margin-bottom:5rem}.button{background:var(--accent);color:#fff;border-radius:4px;margin-top:2rem;padding:.75rem 1.5rem;font-weight:500;display:inline-block}.button:hover{background:var(--accent-dark)}