*{box-sizing:border-box}body{margin:0;font:16px/1.6 Verdana, sans-serif;color:#1f2937;background:#fdfcf9}
a{color:#047857}header,main,footer{max-width:960px;margin:0 auto;padding:0 20px}
header{display:flex;justify-content:space-between;align-items:center;padding-top:24px;padding-bottom:24px}
.logo{font-weight:700;font-size:20px;text-decoration:none;color:#111827}nav a{margin-left:18px;text-decoration:none;color:#374151}
.hero{padding:56px 0 32px}.hero h1{font-size:38px;line-height:1.15;margin:0 0 12px}
.hero p{font-size:19px;color:#4b5563;max-width:620px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin:28px 0}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:6px;padding:20px}.card h3{margin:0 0 6px}
footer{color:#6b7280;font-size:14px;border-top:1px solid #e5e7eb;margin-top:40px;padding-top:24px;padding-bottom:40px}