body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f9f9f9;
  color: #333;
}
header {
  background: #004aad;
  color: white;
  padding: 1rem;
  text-align: center;
}
nav {
  margin-top: 0.5rem;
}
nav a {
  color: white;
  text-decoration: none;
  margin: 0 10px;
  font-weight: bold;
}
nav a:hover {
  text-decoration: underline;
}
main {
  padding: 2rem;
  max-width: 960px;
  margin: 0 auto;
}
.hero h2 {
  color: #004aad;
  margin-top: 0;
}
.feature-list ul {
  list-style: disc;
  padding-left: 1.25rem;
}
footer {
  background: #222;
  color: white;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}