/* ==========================================================================
   Mirage Furniture — Floating WhatsApp button (.fab)
   A persistent, thumb-reachable enquiry shortcut. Fixed bottom-right, kept
   subtle and on-brand (dark disc, white glyph), above all content.
   ========================================================================== */

.fab {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 45;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: var(--color-text-primary);
  color: var(--color-bg);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.22);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.3s ease;
}
.fab:hover {
  transform: translateY(-2px) scale(1.04);
}
.fab svg {
  width: 1.7rem;
  height: 1.7rem;
  fill: currentColor;
}

@media (prefers-reduced-motion: reduce) {
  .fab {
    transition: none;
  }
  .fab:hover {
    transform: none;
  }
}