*{margin:0;padding:0;box-sizing:border-box;font-family:Segoe UI,Arial,sans-serif}
body{color:#222}
.container{width:90%;max-width:1200px;margin:auto}
header{position:sticky;top:0;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.08)}
.nav{display:flex;justify-content:space-between;align-items:center;padding:12px}
.logo{height:70px}
nav a{text-decoration:none;color:#123f8a;font-weight:600;margin-left:20px}
.hero{background:linear-gradient(135deg,#0b2e68,#1b66d1);color:#fff;text-align:center;padding:140px 20px}
.hero h1{font-size:3.2rem;margin-bottom:15px}
.hero p{max-width:800px;margin:auto auto 25px}
.btn{background:#fff;color:#0b2e68;padding:14px 28px;border-radius:8px;text-decoration:none;font-weight:bold}
section{padding:70px 0}
h2{text-align:center;margin-bottom:35px;color:#0b2e68}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:25px}
.card{padding:30px;border-radius:12px;box-shadow:0 4px 14px rgba(0,0,0,.12);text-align:center}
.card i{font-size:46px;margin-bottom:15px;color:#1b66d1}
.dark{background:#f3f6fb}
.dark p{text-align:center;max-width:900px;margin:auto}
#contacto p{text-align:center;margin:8px}
footer{background:#0b2e68;color:#fff;text-align:center;padding:20px}
.wa{position:fixed;right:20px;bottom:20px;width:65px;height:65px;border-radius:50%;background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;text-decoration:none;font-size:34px}