/* === ESTILO MINIMALISTA + GLASSMORPHISM === */
  .whatsapp-float {
    position: fixed;
    bottom: 153px;
    right: 20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.15);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    z-index: 9999;
    border: 1.5px solid rgba(37, 211, 102, 0.4);
    box-shadow: 
      0 8px 32px rgba(37, 211, 102, 0.15),
      inset 0 1px 0 rgba(255, 255, 255, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  }

  /* Anillo pulsante exterior */
  .pulse-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 1.5px solid rgba(37, 211, 102, 0.2);
    animation: pulse-soft 2.5s ease-in-out infinite;
    pointer-events: none;
  }

  @keyframes pulse-soft {
    0%, 100% {
      transform: scale(1);
      opacity: 0.5;
    }
    50% {
      transform: scale(1.25);
      opacity: 0;
    }
  }

  /* Wrapper del ícono con fondo sólido interior */
  .icon-wrapper {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: linear-gradient(135deg, #25D366, #128C7E);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    box-shadow: 
      0 4px 15px rgba(37, 211, 102, 0.3),
      inset 0 2px 4px rgba(255, 255, 255, 0.2);
    transition: all 0.4s ease;
  }

  /* SVG ícono */
  .whatsapp-float svg {
    width: 26px;
    height: 26px;
    fill: #FFFFFF;
    display: block;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
    transition: transform 0.4s ease;
  }

  /* Tooltip - estilo glassmorphism */
  .whatsapp-float .tooltip {
    visibility: hidden;
    opacity: 0;
    width: max-content;
    background: rgba(7, 94, 84, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: #fff;
    text-align: center;
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.3px;
    position: absolute;
    right: 72px;
    top: 50%;
    transform: translateY(-50%) translateX(15px) scale(0.95);
    white-space: nowrap;
    box-shadow: 
      0 8px 32px rgba(0, 0, 0, 0.2),
      inset 0 1px 0 rgba(255, 255, 255, 0.15);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    pointer-events: none;
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  /* Flecha tooltip */
  .whatsapp-float .tooltip::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -6px;
    transform: translateY(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background: rgba(7, 94, 84, 0.85);
    border-radius: 0 0 3px 0;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  /* HOVER - mostrar tooltip */
  .whatsapp-float:hover .tooltip {
    visibility: visible;
    opacity: 1;
    transform: translateY(-50%) translateX(0px) scale(1);
  }

  /* HOVER - efectos */
  .whatsapp-float:hover {
    transform: scale(1.05);
    background: rgba(37, 211, 102, 0.25);
    border-color: rgba(37, 211, 102, 0.6);
    box-shadow: 
      0 8px 40px rgba(37, 211, 102, 0.25),
      inset 0 1px 0 rgba(255, 255, 255, 0.4);
  }

  .whatsapp-float:hover .icon-wrapper {
    transform: scale(1.08) rotate(-5deg);
    box-shadow: 
      0 6px 25px rgba(37, 211, 102, 0.4),
      inset 0 2px 4px rgba(255, 255, 255, 0.3);
  }

  .whatsapp-float:hover svg {
    transform: scale(1.1);
  }

  /* Efecto de brillo suave */
  .whatsapp-float::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.15), transparent 60%);
    pointer-events: none;
    z-index: 1;
  }

  /* Responsive */
  @media (max-width: 480px) {
    .whatsapp-float {
      right: 15px;
      bottom: 153px;
      width: 54px;
      height: 54px;
    }
    .icon-wrapper {
      width: 42px;
      height: 42px;
    }
    .whatsapp-float svg {
      width: 23px;
      height: 23px;
    }
    .whatsapp-float .tooltip {
      font-size: 12px;
      padding: 8px 14px;
      right: 64px;
    }
    .pulse-ring {
      display: none;
    }
  }

  @media (min-width: 481px) and (max-width: 768px) {
    .whatsapp-float {
      width: 58px;
      height: 58px;
    }
    .icon-wrapper {
      width: 44px;
      height: 44px;
    }
    .whatsapp-float svg {
      width: 25px;
      height: 25px;
    }
  }