* {
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen;
}

body {
  background: #ffffff;
  color: #111111;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 520px;
  margin: 80px auto;
  padding: 0 20px;
  text-align: center;
}

h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.subtitle {
  color: #444;
  margin-bottom: 2rem;
}

.code-box {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  border: 2px solid #000;
  padding: 14px;
  border-radius: 8px;
  margin-bottom: 20px;
}

#refCode {
  font-size: 1.2rem;
  font-weight: bold;
}

.code-box button {
  background: #000;
  color: #fff;
  border: none;
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
}

.code-box button:hover {
  opacity: 0.85;
}

.cta {
  display: inline-block;
  margin: 20px 0;
  padding: 14px 24px;
  background: #000;
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
}

.benefits {
  list-style: none;
  padding: 0;
  margin-top: 30px;
  color: #333;
}

.benefits li {
  margin: 8px 0;
}

.disclaimer {
  margin-top: 40px;
  font-size: 0.8rem;
  color: #777;
}