:root{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial}
html,body{height:100%;margin:0}
body{display:flex;flex-direction:column;min-height:100vh;align-items:center;justify-content:flex-start;padding:2rem;background:#f7fafc;color:#111}
header{margin-bottom:1rem}
#hero{background:white;padding:2rem;border-radius:10px;box-shadow:0 6px 18px rgba(0,0,0,0.06);text-align:center;max-width:800px}
footer{margin-top:auto;padding:1rem;font-size:.9rem;color:#666}