body{margin:0;font-family:Arial;background:#f4f4f4}.hero{background:#114d3a;color:#fff;padding:90px;text-align:center}.container,.grid{max-width:1100px;margin:auto;padding:40px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}.card{background:#fff;padding:20px;border-radius:10px}.cta{background:#114d3a;color:#fff;text-align:center;padding:60px}