.whatsapp-float {
  position: fixed;
  right: max(22px, env(safe-area-inset-right));
  bottom: max(22px, env(safe-area-inset-bottom));
  z-index: 80;
  width: 64px;
  height: 64px;
  border: 2px solid rgba(255, 255, 255, 0.88);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #fff;
  background: #25d366;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.34);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-float:hover,
.whatsapp-float:focus-visible {
  transform: translateY(-4px) scale(1.04);
  outline: 3px solid rgba(145, 75, 255, 0.65);
  outline-offset: 3px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.42);
}

.whatsapp-float svg {
  width: 35px;
  height: 35px;
  fill: currentColor;
}

@media (max-width: 560px) {
  .whatsapp-float {
    right: max(16px, env(safe-area-inset-right));
    bottom: max(16px, env(safe-area-inset-bottom));
    width: 58px;
    height: 58px;
  }

  .whatsapp-float svg {
    width: 32px;
    height: 32px;
  }
}

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