* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: Arial, sans-serif;
  background: #f9f9f9;
  color: #333;
}
header.hero {
  background: #003366;
  color: #fff;
  padding: 2rem 1rem;
  text-align: center;
}
.logo {
  height: 80px;
  margin-bottom: 1rem;
}
.btn {
  display: inline-block;
  background: #ff0000;
  color: #fff;
  padding: 0.7rem 1.2rem;
  margin: 0.5rem;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
}
.btn:hover {
  background: #cc0000;
}
section {
  padding: 2rem 1rem;
  max-width: 900px;
  margin: auto;
}
ul {
  list-style: none;
  padding: 0;
  margin-top: 1rem;
}
ul li {
  background: white;
  margin: 0.5rem 0;
  padding: 0.7rem 1rem;
  border-radius: 5px;
  box-shadow: 0 0 5px rgba(0,0,0,0.05);
}
footer {
  background: #000;
  color: #fff;
  text-align: center;
  padding: 1.5rem 1rem;
}
footer a {
  color: #ff0000;
}