body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #f4f6f8;
  color: #333;
}

header {
  background: #0b3c5d;
  color: white;
  text-align: center;
  padding: 20px;
}

.logo {
  max-width: 120px;
  margin-bottom: 10px;
}

.hero {
  background: #1d70b8;
  color: white;
  text-align: center;
  padding: 40px 20px;
}

.hero .btn {
  display: inline-block;
  margin: 10px;
  padding: 12px 20px;
  background: white;
  color: #1d70b8;
  text-decoration: none;
  font-weight: bold;
  border-radius: 5px;
}

.hero .whatsapp {
  background: #25d366;
  color: white;
}

.content {
  padding: 30px;
  max-width: 900px;
  margin: auto;
  background: white;
}

.content h2 {
  color: #0b3c5d;
}

footer {
  background: #0b3c5d;
  color: white;
  text-align: center;
  padding: 20px;
  margin-top: 30px;
}