:root{font-family:Helvetica Neue,Helvetica,Arial,sans-serif;color:#0f172a;background:radial-gradient(circle at top,rgba(125,211,252,.35),transparent 38%),linear-gradient(135deg,#f8fafc,#e2e8f0)}*{box-sizing:border-box}body{margin:0;min-height:100vh}.panel button{appearance:none;border:0;border-radius:999px;background:#0f172a;color:#fff;cursor:pointer;font:inherit;padding:.9rem 1.3rem}button.secondary{background:#dbeafe;color:#0f172a}.page{align-items:center;display:grid;min-height:100vh;padding:2rem}.panel{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffffb8;border:1px solid rgba(148,163,184,.3);border-radius:28px;box-shadow:0 20px 60px #0f172a1f;margin:0 auto;max-width:720px;padding:2.5rem}.eyebrow{font-size:.8rem;font-weight:700;letter-spacing:.14em;margin:0 0 .75rem;text-transform:uppercase}.panel h1{font-size:clamp(2rem,5vw,4.5rem);line-height:.95;margin:0}.body{font-size:1.1rem;line-height:1.6;margin:1rem 0 1.75rem;max-width:40rem}.demo-row{display:flex;flex-wrap:wrap;gap:.75rem}