/* Botón flotante WhatsApp — fijo, tamaño controlado */
.wa-float {
  position: fixed;
  right: 1.25rem;
  bottom: 7.25rem;
  z-index: 9999;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.28);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.wa-float:hover,
.wa-float:focus {
  color: #fff;
  transform: scale(1.06);
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.32);
}

.wa-float svg {
  width: 1.75rem;
  height: 1.75rem;
  max-width: 1.75rem;
  max-height: 1.75rem;
  fill: currentColor;
  display: block;
  flex-shrink: 0;
}

@media (max-width: 576px) {
  .wa-float {
    right: 1rem;
    bottom: 6.5rem;
    width: 3.25rem;
    height: 3.25rem;
  }

  .wa-float svg {
    width: 1.5rem;
    height: 1.5rem;
    max-width: 1.5rem;
    max-height: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .wa-float {
    transition: none;
  }
}