body{font-family:Inter,sans-serif;background:#f4f7fb;color:#1f2937;line-height:1.75}
.container{max-width:1200px;margin:auto;padding:0 20px}
a{color:#0b5ed7;text-decoration:none;font-weight:500}
header{background:linear-gradient(120deg,#0b5ed7,#063b8a);color:#fff;padding:100px 0}
header a{color:#e0ecff;text-decoration:underline}
.header-link{font-weight:600}
.btn{display:inline-block;padding:16px 34px;background:#fff;color:#0b5ed7;border-radius:999px;font-weight:700;margin-top:25px}
h1{font-size:46px;margin-bottom:20px}
h2{font-size:32px;margin-bottom:25px}
h3{font-size:22px;margin-bottom:10px}
section{padding:80px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:30px}
.grid div{background:#fff;padding:30px;border-radius:14px;box-shadow:0 15px 35px rgba(0,0,0,.08)}
footer{background:#0b1220;color:#cbd5e1;padding:60px 0}
footer a{color:#93c5fd}
.whatsapp-float{position:fixed;bottom:25px;right:25px;background:#25d366;color:#fff;padding:14px 26px;border-radius:999px;font-weight:700}