:root{--navy:#0b2545;--teal:#2ecca9;--ink:#1c2733;--muted:#5b6b7a;--bg:#f6f8fa}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}
header{background:var(--navy);color:#fff;padding:18px 24px}header a{color:#fff;text-decoration:none;font-weight:700;letter-spacing:.3px}header nav a{margin-left:18px;font-weight:400;opacity:.9}
main{max-width:860px;margin:0 auto;padding:40px 24px}h1{font-size:2rem;margin:.2em 0}h2{margin-top:2em}
.hero{background:#fff;border:1px solid #e3e8ee;border-radius:14px;padding:32px}.tag{color:var(--teal);font-weight:700;text-transform:uppercase;font-size:.8rem;letter-spacing:.1em}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:24px}.card{background:#fff;border:1px solid #e3e8ee;border-radius:12px;padding:20px}
footer{color:var(--muted);font-size:.9rem;text-align:center;padding:32px}a{color:var(--navy)}.btn{display:inline-block;background:var(--teal);color:#062a22;padding:10px 18px;border-radius:8px;font-weight:700;text-decoration:none}