.whatsapp-float {
  position: fixed;
  left: max(1.25rem, env(safe-area-inset-left));
  bottom: max(1.25rem, env(safe-area-inset-bottom));
  z-index: 50;
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  border: 3px solid #ffffff;
  border-radius: 50%;
  background: #25d366;
  color: #ffffff;
  box-shadow: 0 14px 34px rgba(7, 69, 32, 0.32);
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.whatsapp-float svg {
  width: 36px;
  height: 36px;
  fill: currentColor;
}

.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 19px 40px rgba(7, 69, 32, 0.4);
}

.whatsapp-float:focus-visible {
  outline: 4px solid var(--brand-yellow);
  outline-offset: 4px;
}

@media (max-width: 480px) {
  .whatsapp-float {
    left: max(0.9rem, env(safe-area-inset-left));
    bottom: max(0.9rem, env(safe-area-inset-bottom));
    width: 56px;
    height: 56px;
  }

  .whatsapp-float svg {
    width: 33px;
    height: 33px;
  }
}

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