body {
  background-color: #0a0a0a;
  color: #fff;
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}
header {
  background: #001f3f;
  padding: 15px;
  text-align: center;
}
nav a {
  color: #0ff;
  margin: 0 10px;
  text-decoration: none;
}
nav a:hover, .active {
  text-shadow: 0 0 8px #0ff;
}
.hero {
  text-align: center;
  padding: 80px 20px;
}
.btn {
  display: inline-block;
  background: #0ff;
  color: #000;
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  margin-top: 10px;
}
.btn:hover {
  box-shadow: 0 0 10px #0ff;
}
footer {
  text-align: center;
  background: #001f3f;
  padding: 15px;
  margin-top: 50px;
}
.contact-form {
  display: flex;
  flex-direction: column;
  max-width: 400px;
  margin: auto;
}
.contact-form input, .contact-form textarea {
  margin: 10px 0;
  padding: 10px;
  border: none;
  border-radius: 5px;
}
.contact-form button {
  background: #0ff;
  color: #000;
  padding: 10px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}