body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #0b1220;
  color: #ffffff;
}

.container {
  max-width: 720px;
  margin: 120px auto;
  text-align: center;
  padding: 0 20px;
}

h1 {
  font-size: 48px;
  margin-bottom: 16px;
}

.subtitle {
  font-size: 18px;
  color: #cbd5f5;
  margin-bottom: 32px;
}

.btn {
  display: inline-block;
  padding: 14px 26px;
  background: #ff7a1a;
  color: #1b0b00;
  text-decoration: none;
  font-weight: bold;
  border-radius: 8px;
}

.note {
  margin-top: 32px;
  font-size: 14px;
  color: #9aa4c7;
}