/* Floating WhatsApp CTA kept large enough for comfortable mobile tapping. */
.whatsapp-float {
  position: fixed;
  right: 1rem;
  bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.75rem;
  height: 3.75rem;
  border-radius: 999px;
  background: #25D366;
  color: #fff;
  font-size: 2rem;
  text-decoration: none;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
  z-index: 10000;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-float:hover,
.whatsapp-float:focus {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
  color: #fff;
}

.whatsapp-float:focus {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

@media screen and (max-width: 480px) {
  .whatsapp-float {
    right: 0.75rem;
    bottom: calc(0.75rem + env(safe-area-inset-bottom, 0px));
    width: 4rem;
    height: 4rem;
    font-size: 2.1rem;
  }
}