.whatsapp-float {
      position: fixed;
      width: 60px;
      height: 60px;
      bottom: 20px;
      right: 20px;
      background-color: #25d366;
      color: #fff;
      border-radius: 50%;
      text-align: center;
      font-size: 30px;
      box-shadow: 2px 2px 8px rgba(0,0,0,0.3);
      z-index: 100;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: transform 0.2s ease-in-out;
      cursor: pointer;
    }

    .whatsapp-float:hover {
      transform: scale(1.1);
      background-color: #20b857;
    }

    .whatsapp-icon {
      width: 35px;
      height: 35px;
    }

    /* Burbuja de texto */
    .bubble {
      position: absolute;
      right: 70px; /* separación del botón */
      bottom: 15px;
      background: white;
      color: black;
      padding: 8px 14px;
      border-radius: 20px;
      font-size: 14px;
      white-space: nowrap;
      opacity: 0;
      transform: translateX(20px);
      pointer-events: none;
      animation: bubbleAnim 8s ease-in-out infinite;
    }

    .bubble::after {
      content: "";
      position: absolute;
      right: -6px;
      top: 50%;
      transform: translateY(-50%);
      border-left: 6px solid white;
      border-top: 6px solid transparent;
      border-bottom: 6px solid transparent;
    }

    /* Animación de aparición y desaparición */
    @keyframes bubbleAnim {
        0%   { opacity: 0; transform: translateX(20px); }
        10%  { opacity: 1; transform: translateX(0); }
        60%  { opacity: 1; transform: translateX(0); }
        70%  { opacity: 0; transform: translateX(20px); }
        100% { opacity: 0; transform: translateX(20px); }
    }