body{margin:0;font-family:Arial,sans-serif}.hero{background:linear-gradient(135deg,#0f62fe,#12b981);color:#fff;padding:20px}.brand{display:flex;align-items:center;font-size:28px;font-weight:bold}.brand img{height:60px;margin-right:10px}nav{display:flex;justify-content:space-between;align-items:center}.whatsapp-top{background:#25D366;color:#fff;padding:10px 15px;border-radius:8px;text-decoration:none}.hero-content{display:flex;align-items:center;justify-content:space-between;max-width:1100px;margin:auto;padding:40px 0}.hero-logo{width:260px;background:#fff;padding:10px;border-radius:20px}.contact-box{background:rgba(255,255,255,.15);padding:20px;border-radius:12px;margin-top:20px}.contact-box h2{font-size:36px;margin:10px 0;color:#fff}.btn{display:inline-block;background:#25D366;color:#fff;padding:12px 20px;text-decoration:none;border-radius:8px;font-weight:bold}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;padding:50px}.card{padding:20px;box-shadow:0 3px 12px rgba(0,0,0,.12);border-radius:10px}footer{text-align:center;background:#111827;color:#fff;padding:30px}@media(max-width:768px){.hero-content,nav{flex-direction:column;gap:15px;text-align:center}}