body{margin:0;font-family:Arial,sans-serif;color:#222}.wrap{width:92%;max-width:1100px;margin:auto}header{background:#0b6a3a;color:#fff;padding:14px 0}header .wrap{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap}header a{color:#fff;text-decoration:none}.hero{background:linear-gradient(rgba(0,0,0,.45),rgba(0,0,0,.45)),#333;height:520px;color:#fff;display:flex;align-items:center}.hero h1{font-size:48px}.btn{background:#0f8f4f;color:#fff;padding:14px 22px;border-radius:8px;text-decoration:none;border:none}.sec{padding:60px 0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{padding:22px;border:1px solid #eee;border-radius:14px}input,textarea{width:100%;padding:12px;margin:8px 0}footer{background:#0b6a3a;color:#fff;padding:30px 0}@media(max-width:768px){.grid{grid-template-columns:1fr}.hero{height:auto;padding:80px 0}.hero h1{font-size:32px}}