.fab-container {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 2147483000;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}
.fab {
  pointer-events: auto;
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.25);
  transition: transform 0.2s, box-shadow 0.2s;
}
.fab:hover { transform: scale(1.1); box-shadow: 0 6px 18px rgba(0,0,0,0.35); }
.fab:focus-visible { outline: 3px solid #fff; outline-offset: 2px; }
.fab.wa { background: #25D366; }
.fab.call { background: #fe7024; }
.fab svg { width: 28px; height: 28px; }

@media (max-width: 480px) {
  .fab { width: 48px; height: 48px; }
  .fab svg { width: 24px; height: 24px; }
}
@media print { .fab-container { display: none; } }