:root{font-family:Arial,sans-serif;line-height:1.5;font-weight:400;color:#1f2937;background:#f3f4f6}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}#root{min-height:100vh}.app-shell{min-height:100vh;display:grid;place-items:center;padding:2rem}.hero{width:min(100%,720px);padding:2rem;border-radius:20px;background:#fff;box-shadow:0 20px 45px #0f172a14}.eyebrow{margin:0 0 .5rem;font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#2563eb}h1{margin:0;font-size:clamp(2rem,5vw,3.5rem)}.description{margin:1rem 0 0;font-size:1rem;color:#4b5563}