.whatsapp-fab {
  position: fixed;
  right: max(var(--page-gutter), env(safe-area-inset-right));
  bottom: max(var(--page-gutter), env(safe-area-inset-bottom));
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  color: #fff;
  background: #25d366;
  box-shadow: 0 4px 14px rgb(var(--color-black-rgb) / 0.22);
  text-decoration: none;
  transition: bottom 250ms ease, transform 200ms ease, box-shadow 200ms ease;
}

.whatsapp-fab svg {
  display: block;
  width: 28px;
  height: 28px;
  fill: currentColor;
}

@media (hover: hover) {
  .whatsapp-fab:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 20px rgb(var(--color-black-rgb) / 0.28);
  }
}

.whatsapp-fab:focus-visible {
  outline: 2px solid var(--color-black);
  outline-offset: 4px;
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgb(var(--color-black-rgb) / 0.28);
}

@media (max-width: 767px) {
  .whatsapp-fab {
    width: 52px;
    height: 52px;
  }

  .whatsapp-fab svg {
    width: 26px;
    height: 26px;
  }

}

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