/* Плавающая кнопка WhatsApp — общий стиль экосистемы M:E */
.whatsapp-fab {
  position: fixed;
  right: 1.25rem;
  bottom: max(1.5rem, env(safe-area-inset-bottom));
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 9999px;
  background: #25d366;
  color: #fff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-decoration: none;
}
.whatsapp-fab:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
}
.whatsapp-fab:focus-visible {
  outline: 2px solid #f5a623;
  outline-offset: 2px;
}
@media (min-width: 640px) {
  .whatsapp-fab {
    right: 1.5rem;
  }
}