*,:after,:before{box-sizing:border-box;margin:0;padding:0}body{background-color:#0f172a;color:#f8fafc;font-family:system-ui,-apple-system,sans-serif;line-height:1.6}.main{min-height:100vh;display:flex;align-items:center;justify-content:center}.hero{text-align:center;padding:2rem;max-width:640px}.hero__title{font-size:clamp(2rem,5vw,3.5rem);font-weight:700;color:#f8fafc;margin-bottom:1rem}.hero__subtitle{font-size:1.125rem;color:#94a3b8}