body {
  margin: 0;
  padding: 0;
  background-color: #001a33;
  font-family: Arial, sans-serif;
  color: #fff;
}

#wrapper {
  width: 90%;
  margin: 0 auto;
  background-color: #012a4a;
  box-shadow: 0 0 10px #000;
}

/* Header */
header {
  background-color: #014f86;
  color: white;
  text-align: center;
  padding: 20px 0;
}

/* Navigation bar */
nav {
  background-color: #013a63;
  text-align: center;
  padding: 10px 0;
}

nav ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
}

nav ul li {
  display: inline;
  margin: 0 15px;
}

nav ul li a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

nav ul li a:hover {
  color: #ffd60a;
}

/* Hero Section - now uses the nebula image */
#heroHome {
  height: 350px;
  background-image: url('https://wallup.net/wp-content/uploads/2016/01/315643-space-stars-nebula.jpg');
  background-size: cover;
  background-position: center;
  border-bottom: 3px solid #000;
}

/* Main content */
main {
  padding: 20px;
  background-color: #001a33;
}

/* Footer */
footer {
  text-align: center;
  background-color: #014f86;
  color: white;
  padding: 10px 0;
  font-size: 0.9em;
}