.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    text-decoration: none;
  }

  .whatsapp-float .wa-tooltip {
    background: #fff;
    color: #333;
    padding: 8px 14px;
    border-radius: 8px;
    font-family: sans-serif;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    white-space: nowrap;
    opacity: 0;
    transform: translateX(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    pointer-events: none;
  }

  .whatsapp-float:hover .wa-tooltip {
    opacity: 1;
    transform: translateX(0);
  }

  .whatsapp-float .wa-icon {
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    flex-shrink: 0;
  }

  .whatsapp-float:hover .wa-icon {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.7);
  }

  .whatsapp-float .wa-icon svg {
    width: 32px;
    height: 32px;
    fill: #fff;
  }

  /* Pulso animado */
  .whatsapp-float .wa-icon::before {
    content: '';
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.4);
    animation: wa-pulse 2s ease-out infinite;
  }

  @keyframes wa-pulse {
    0%   { transform: scale(1);   opacity: 0.7; }
    70%  { transform: scale(1.5); opacity: 0; }
    100% { transform: scale(1.5); opacity: 0; }
  }