body{font-family:Arial,sans-serif;margin:0;background:#f8fbff;color:#0f172a}.nav{display:flex;justify-content:space-between;padding:20px 8%;background:#0f172a;color:#fff;position:sticky;top:0}.btn,.cta{background:#25D366;color:#fff;padding:14px 22px;border-radius:10px;text-decoration:none;font-weight:bold}.hero{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:70px 8%;align-items:center}.badge{background:#dbeafe;padding:8px 14px;border-radius:20px}.phone{display:flex;justify-content:center}.screen{background:#fff;border:10px solid #222;border-radius:30px;padding:30px;max-width:260px;box-shadow:0 20px 40px rgba(0,0,0,.2)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px;padding:20px 8%}.card{background:#fff;padding:25px;border-radius:14px;box-shadow:0 5px 15px rgba(0,0,0,.08)}section{padding:40px 0}h2{text-align:center}footer{background:#0f172a;color:#fff;text-align:center;padding:60px}@media(max-width:800px){.hero{grid-template-columns:1fr}}