body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #F7F9FC; /* Crystal White */
  color: #0A1F44; /* Midnight Navy */
}
header {
  background: #0A1F44;
  color: #fff;
  padding: 20px;
  text-align: center;
}
nav {
  background: #4B5D73;
  text-align: center;
  padding: 10px;
}
nav a {
  color: #fff;
  text-decoration: none;
  margin: 0 10px;
}
section {
  padding: 20px;
  max-width: 800px;
  margin: auto;
}
h1, h2 {
  color: #0A1F44;
}
footer {
  background: #0A1F44;
  color: #fff;
  text-align: center;
  padding: 10px;
}