body {
  font-family: Arial, Helvetica, sans-serif;
  background-color: #0b1e3f;
  color: #ffffff;
  margin: 0;
  padding: 0;
}

#wrapper {
  width: 90%;
  margin: 0 auto;
}

header {
  text-align: center;
  padding: 1rem;
  background-color: #09234a;
}

h1, h2 {
  margin: 0.5rem 0;
}

nav ul {
  list-style-type: none;
  text-align: center;
  padding: 0;
  margin: 0;
  background-color: #112b56;
}

nav ul li {
  display: inline-block;
  margin: 0 10px;
}

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

nav ul li a:hover {
  color: #4da6ff;
}

#heroHome {
  background-image: url("https://wallup.net/wp-content/uploads/2016/01/315643-space-stars-nebula.jpg");
  background-size: cover;
  background-position: center;
  height: 400px;
  margin-bottom: 20px;
  border-radius: 8px;
}

main {
  padding: 20px;
}

footer {
  text-align: center;
  padding: 10px;
  background-color: #09234a;
  margin-top: 20px;
}

/* Planet Layouts */
.planet-layout {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 20px;
}

.planet-text {
  width: 55%;
  min-width: 300px;
}

.planet-image {
  width: 40%;
  display: flex;
  justify-content: flex-end;
}

.planet-image img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  object-fit: contain;
}

.moon-image {
  text-align: center;
  margin-top: 20px;
}

.moon-image img {
  width: 60%;
  max-width: 500px;
  height: auto;
  border-radius: 10px;
  display: block;
  margin: 0 auto;
}

.moon-caption {
  font-style: italic;
  color: #b3c7ff;
  margin-top: 10px;
}