body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #0a1a2f;
  color: #e0e6ed;
}

header {
  background-color: #0f2745;
  padding: 10px 20px;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav h1 {
  color: #4db8ff;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
}

nav ul li a {
  color: #e0e6ed;
  text-decoration: none;
}

section {
  padding: 50px 20px;
  text-align: center;
}

section h2 {
  color: #4db8ff;
}

button {
  background-color: #4db8ff;
  border: none;
  padding: 10px 20px;
  color: #0a1a2f;
  font-weight: bold;
  cursor: pointer;
  margin-top: 20px;
}

button:hover {
  background-color: #66ccff;
}