body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0b1c2d;
  color: #ffffff;
}

.navbar {
  display: flex;
  justify-content: space-between;
  padding: 15px 30px;
  background: #000;
}

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

.navbar a {
  color: #fff;
  text-decoration: none;
}

.hero {
  padding: 100px 20px;
  text-align: center;
  background: linear-gradient(135deg, #0b1c2d, #1e90ff);
}

.section {
  padding: 60px 20px;
  text-align: center;
}

.section.dark {
  background: #081521;
}

.card {
  background: #12263a;
  padding: 20px;
  margin: 20px auto;
  max-width: 600px;
  border-radius: 8px;
}

.btn {
  display: inline-block;
  padding: 12px 25px;
  background: #1e90ff;
  color: white;
  border-radius: 5px;
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.form {
  max-width: 400px;
  margin: auto;
}

.form input,
.form textarea {
  width: 100%;
  padding: 10px;
  margin: 10px 0;
}

footer {
  background: #000;
  text-align: center;
  padding: 20px;
}