/* ATLAS · components/heartbeat.css
 * Provenance: AuditHunt v3 · Phase 1.4 · authored 2026-04-25
 * Spec: §XX.10 — footer chip, verify dot pulsed by --pulse, hairlines either side
 */

.heartbeat {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--f-mono); font-size: 11px;
  letter-spacing: 1.6px; text-transform: uppercase; color: var(--ash);
}
.heartbeat::before, .heartbeat::after {
  content: ""; width: 24px; height: 1px; background: var(--line);
}
.heartbeat .hb-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--verify);
  opacity: calc(0.5 + var(--breath, 0.5) * 0.5);
  transform: scale(calc(0.85 + var(--breath, 0.5) * 0.3));
}
@media (prefers-reduced-motion: reduce) {
  .heartbeat .hb-dot { opacity: 0.85; transform: none; }
}