/* nieve.css - Efecto de nieve navideña infinita */
.nieve-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
  }
  
  .copo {
    position: absolute;
    background: white;
    border-radius: 50%;
    opacity: 0.8;
    pointer-events: none;
    animation: caer linear infinite;
  }
  
  @keyframes caer {
    0% {
      transform: translateY(-10px);
      opacity: 0;
    }
    10%, 90% {
      opacity: 0.8;
    }
    100% {
      transform: translate(var(--desplazamiento-x, 0px), 100vh);
      opacity: 0;
    }
  }