/* ============================================================
   COMPONENT — Floating quick-contact buttons
   Sticky WhatsApp + Call buttons, always visible bottom-right.
   ============================================================ */
.fab-stack{
  position:fixed; right:20px; bottom:20px; z-index:60;
  display:flex; flex-direction:column; gap:12px;
}
.fab{
  width:54px; height:54px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  box-shadow:var(--shadow-lg);
  transition:transform .2s ease;
}
.fab:hover{transform:translateY(-3px) scale(1.04);}
.fab svg{width:24px; height:24px;}
.fab-whatsapp{background:#25D366; color:#fff;}
.fab-call{background:var(--navy-900); color:var(--paper);}