body {
  font-family: Arial, sans-serif;
  background: #f4f6f8;
  margin: 0;
}

header {
  background: #1e3c72;
  color: white;
  padding: 40px;
  text-align: center;
}

.btn {
  background: #ffcc00;
  padding: 10px 20px;
  color: black;
  text-decoration: none;
  font-weight: bold;
}

section {
  padding: 40px;
  max-width: 500px;
  margin: auto;
}

form {
  background: white;
  padding: 20px;
  border-radius: 8px;
}

input, select, textarea, button {
  width: 100%;
  padding: 10px;
  margin: 8px 0;
}

.radio-group {
  display: flex;
  gap: 15px;
}

button {
  background: #1e3c72;
  color: white;
  border: none;
  cursor: pointer;
}

#response {
  margin-top: 10px;
  font-weight: bold;
}