body{font-family:Segoe UI,Arial,sans-serif;margin:0;background:#f8f5f0;color:#355e3b}header{background:linear-gradient(135deg,#eef7ef,#dfece1);padding:70px 20px;text-align:center}.logo{font-size:52px}.nav{background:#355e3b;padding:15px;text-align:center}.nav a{color:#fff;text-decoration:none;margin:0 15px}.container{max-width:1100px;margin:auto;padding:40px 20px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}.card{background:white;padding:20px;border-radius:16px;box-shadow:0 2px 8px rgba(0,0,0,.08)}footer{background:#355e3b;color:#fff;text-align:center;padding:25px;margin-top:40px}