:root { --mx: clamp(16px, 4vw, 28px); --fg:#0f172a; --muted:#475569; --brand:#0ea5e9; } html,body{margin:0;padding:0;font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;color:var(--fg);background:#fff;} .wrap{max-width: 840px; margin: 0 auto; padding: 28px var(--mx) 60px;} header{padding: 10px var(--mx) 0;} .eyebrow{letter-spacing:.08em; text-transform:uppercase; color:var(--muted); font-size:.85rem;} h1{font-size: clamp(28px, 4.4vw, 40px);