*{box-sizing:border-box}
html{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:#222;background:#fafafa}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;align-items:center}
header{width:100%;background:#1d1d1f;display:flex;justify-content:center;padding:1.5rem 1rem}
header img{max-width:100%;height:auto;height:auto}
main{max-width:42rem;width:100%;margin:2.5rem 0;padding:0 1rem;line-height:1.6}
h1{font-size:1.6rem;margin:0 0 1rem}
h2{font-size:1.1rem;margin:1.8rem 0 .4rem}
a{color:#b3121f}
footer{margin-top:auto;padding:1.5rem 1rem;font-size:.9rem;color:#666;text-align:center}
footer p{margin:.4rem 0 0}