body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Inter,Arial,sans-serif;background:#fff;color:#111;line-height:1.6}
header{padding:56px 24px;text-align:center;border-bottom:1px solid #ddd}
h1{font-size:40px;margin:0 0 8px}
.tagline{color:#555;font-size:18px;margin:0}
.container{max-width:960px;margin:0 auto;padding:32px 24px}
section{margin:40px 0}
h2{font-size:24px;border-left:4px solid #000;padding-left:12px;margin-bottom:12px}
.card{background:#f9f9f9;border:1px solid #ddd;border-radius:8px;padding:18px;margin:12px 0}
.footer{border-top:1px solid #ddd;color:#555;font-size:14px;text-align:center;padding:24px}
a{color:#000;text-decoration:underline}
.btn{display:inline-block;padding:10px 16px;border:1px solid #000;border-radius:6px;margin-right:12px;color:#000;text-decoration:none}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}