/* ── Floating Demo Call Button ── */
.demo-float-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #00D4A0;
  color: #0C0F0A;
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: 50px;
  padding: 14px 24px;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(0,212,160,0.4), 0 2px 8px rgba(0,0,0,0.15);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  white-space: nowrap;
}
.demo-float-btn:hover {
  transform: scale(1.06);
  box-shadow: 0 6px 28px rgba(0,212,160,0.55), 0 4px 12px rgba(0,0,0,0.2);
}
.demo-float-btn:active {
  transform: scale(0.97);
}