:root{color:#0f172a;background:#f8fafc;font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif}body{margin:0}*{box-sizing:border-box}.app{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:1rem;min-height:100vh;display:flex}.app h1{color:#2563eb;margin:0;font-size:clamp(3rem,10vw,7rem)}.app p{color:#475569;margin:0;font-size:1.25rem}