body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f4f4f4;
  color: #333;
}
.navbar {
  background-color: #002244;
  color: white;
  padding: 1em;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.navbar a {
  color: white;
  margin-left: 1em;
  text-decoration: none;
}
.hero {
  padding: 4em;
  text-align: center;
  background: #cce7ff;
}
.hero h2 {
  font-size: 2.5em;
}
.hero button {
  margin: 1em;
  padding: 0.75em 2em;
  font-size: 1em;
  border: none;
  background-color: #0055aa;
  color: white;
  cursor: pointer;
}
footer {
  text-align: center;
  padding: 1em;
  background: #002244;
  color: white;
}