/* Two low-contrast dimming pulses, spaced apart; never a bright flash. */
.catalog-light-falter{position:fixed;inset:0;z-index:9000;background:#000;pointer-events:none;opacity:0;animation:catalog-light-falter 2.2s ease-in-out both}
@keyframes catalog-light-falter{0%,8%,32%,54%,86%,100%{opacity:0}19%{opacity:.16}68%{opacity:.12}}
@media(prefers-reduced-motion:reduce){.catalog-light-falter{display:none;animation:none}}