body {
  font-family: Arial, sans-serif;
  margin: 0;
  line-height: 1.6;
  color: #333;
}

header {
  background: #003366;
  color: white;
  padding: 10px 20px;
}

header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header nav ul {
  list-style: none;
  display: flex;
  gap: 15px;
  margin: 0;
}

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

.logo {
  height: 50px;
}

section {
  padding: 50px 20px;
}

#hero {
  text-align: center;
  background: #f4f4f4;
}

#hero .btn {
  display: inline-block;
  padding: 10px 20px;
  background: #003366;
  color: white;
  text-decoration: none;
  border-radius: 5px;
}

footer {
  text-align: center;
  padding: 20px;
  background: #003366;
  color: white;
}