body {
    margin: 0;
    padding: 0;
    background-color: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    font-family: 'Arial', sans-serif;
  }
  
  .neon-box {
    text-align: center;
    color: #fff;
    background-color: #1a1a1a; /* fondo del rectángulo */
    border: 4px solid #a020f0; /* morado */
    border-radius: 20px;
    padding: 40px 60px;
    box-shadow:
      0 0 10px #a020f0,
      0 0 20px #a020f0,
      0 0 40px #a020f0;
    animation: heartbeat 10s infinite;  
  }
  
  .yo-pago {
    font-size: 4rem;
  }
  
  .coming-soon {
    font-size: 1.5rem;
    margin-top: 10px;
    opacity: 0.8;
  }
  
  @keyframes heartbeat {
    0% { transform: scale(1); }
    25% { transform: scale(1.1); }
    50% { transform: scale(1); }
    75% { transform: scale(1.1); }
    100% { transform: scale(1); }
  }