:root{
  --primary:#0F4C81;
  --success:#28a745;
  --dark:#212529;
  --light:#f8f9fa;
  --radius:12px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:Arial,Helvetica,sans-serif;
  color:#444;
  line-height:1.7;
}

section{padding:80px 0}

.navbar-brand{
  font-weight:700;
  font-size:1.7rem;
}

.btn-primary{
  background:var(--primary);
  border-color:var(--primary);
}

.hero{
  background:linear-gradient(135deg,#eef6ff,#fff);
  padding:100px 0;
}

.card{
  border:none;
  border-radius:var(--radius);
  box-shadow:0 10px 30px rgba(0,0,0,.08);
  transition:.3s;
}

.card:hover{
  transform:translateY(-8px);
}

footer{
  background:var(--dark);
  color:#fff;
}

.floating-whatsapp,
.floating-call{
  position:fixed;
  right:20px;
  width:58px;
  height:58px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  text-decoration:none;
  box-shadow:0 10px 25px rgba(0,0,0,.2);
}

.floating-whatsapp{
  background:#25D366;
  bottom:90px;
}

.floating-call{
  background:var(--primary);
  bottom:20px;
}

@media(max-width:768px){
  h1{font-size:2rem}
  section{padding:60px 0}
  .btn{
    width:100%;
    margin-bottom:10px;
  }
}