:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#111827;background:#f8fafc}body{margin:0}main{max-width:760px;padding:32px 24px 72px;margin:0 auto}nav{display:flex;gap:18px;margin-bottom:56px}nav a{color:#1f2937;font-weight:700;text-decoration:none}.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:12px;font-weight:700;color:#2563eb}h1{font-size:clamp(42px,7vw,72px);line-height:.95;margin:0 0 24px}p{font-size:20px;line-height:1.55;color:#374151}code{background:#e0e7ff;color:#3730a3;border-radius:8px;padding:2px 7px}.card{margin-top:36px;padding:24px;border:1px solid #e5e7eb;border-radius:18px;background:#fff;box-shadow:0 18px 50px #0f172a14}