body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}
header {
  background: #004080;
  color: white;
  padding: 20px 0;
  text-align: center;
}
nav {
  background: #333;
  color: white;
  padding: 10px;
  text-align: center;
}
nav a {
  color: white;
  text-decoration: none;
  margin: 0 15px;
  font-weight: bold;
}
nav a:hover {
  color: #00aced;
}
.hero {
  background: url('https://images.unsplash.com/photo-1504384308090-c894fdcc538d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1400&q=80') 
              no-repeat center center/cover;
  height: 300px;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
}
.hero h1 {
  font-size: 2.2rem;
  background: rgba(0,0,0,0.5);
  padding: 10px 20px;
}
section {
  padding: 40px;
  text-align: center;
}
form input, form textarea {
  width: 80%;
  padding: 10px;
  margin: 5px 0;
}
form button {
  padding: 10px 20px;
  background: #004080;
  color: white;
  border: none;
  cursor: pointer;
}
form button:hover {
  background: #00aced;
}
footer {
  background: #333;
  color: white;
  text-align: center;
  padding: 20px;
  margin-top: 20px;
}