*{
    margin: 0;
    padding: 0;
}
body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(135deg, #f9fafb 0%, #d6dde6 100%);
  background-attachment: fixed;
  background-repeat: no-repeat;
  background-size: cover;
  color: #333; /* texto oscuro para buen contraste */
  font-family: 'Segoe UI', Roboto, sans-serif;
}