.blood-flood{position:fixed;inset:0;width:100vw;height:100dvh;pointer-events:none;z-index:90;contain:strict}
/* The seal remains the physical pressure point beneath the spreading liquid. */
.marking #blood-seal{background:radial-gradient(ellipse at 35% 25%,#b53843,#780b1c 48%,#35040d);box-shadow:inset 0 2px 4px #e66c6c55,inset 0 -8px 12px #210006,0 0 0 6px #740c2444}
.marking .rite-copy{transition:filter .3s}
@media(prefers-reduced-motion:reduce){.blood-flood{opacity:.8}}