body{
margin:0;
font-family:Arial, sans-serif;
background:#f6f8fb;
color:#222;
}

nav{
background:#071d35;
color:white;
padding:20px;
display:flex;
gap:25px;
align-items:center;
}

nav a{
color:white;
text-decoration:none;
}

.marca{
font-size:32px;
font-weight:bold;
color:#d6b25e;
}

header{
background:#0b2a4a;
color:white;
text-align:center;
padding:90px 20px;
}

h1{
font-size:42px;
}

.boton{
background:#25d366;
color:white;
padding:15px 25px;
border-radius:30px;
display:inline-block;
text-decoration:none;
margin-top:20px;
}

section{
max-width:1000px;
margin:auto;
padding:45px 20px;
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
gap:20px;
}

.grid div{
background:white;
padding:25px;
border-radius:15px;
box-shadow:0 3px 15px #ddd;
}

footer{
background:#071d35;
color:white;
text-align:center;
padding:30px;
}