body{
font-family:Arial, Helvetica, sans-serif;
margin:0;
background:#f4f6fb;
color:#222;
}

.container{
max-width:1200px;
margin:auto;
padding:20px;
}

.nav{
display:flex;
justify-content:space-between;
align-items:center;
}

.logo{
font-size:22px;
font-weight:bold;
}

nav a{
margin:0 12px;
text-decoration:none;
font-weight:bold;
color:#333;
}

.hero{
background:#0a2540;
color:white;
padding:120px 20px;
text-align:center;
}

.btn{
background:#1a73e8;
color:white;
padding:12px 25px;
text-decoration:none;
border-radius:5px;
display:inline-block;
margin-top:15px;
}

.section{
padding:70px 20px;
max-width:1000px;
margin:auto;
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
gap:25px;
margin-top:40px;
}

.card{
background:white;
padding:30px;
border-radius:10px;
box-shadow:0 10px 20px rgba(0,0,0,0.08);
}

footer{
background:#111;
color:white;
padding:50px 20px;
margin-top:40px;
text-align:center;
}

.whatsapp{
background:#25D366;
color:white;
padding:8px 15px;
border-radius:5px;
text-decoration:none;
}