@keyframes decay-flicker {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
@keyframes decay-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
@keyframes decay-marquee {
  0% { transform: translateX(100vw); }
  100% { transform: translateX(-100%); }
}

/* ─── Infection persistence — returning visitors ─── */
.nal-infected #landing-screen {
  animation: infectedPulse 8s ease infinite;
}
.nal-infected .url-bar {
  box-shadow: 0 0 2px hsl(316 30% 77% / calc(var(--infection-intensity, 0) * 0.3));
}
@keyframes infectedPulse {
  0%, 100% { filter: none; }
  50% { filter: hue-rotate(3deg) saturate(1.1); }
}

/* ─── Embed mode — hide chrome ─── */
.nal-embedded .title-bar,
.nal-embedded .url-bar-row,
.nal-embedded .preset-row {
  display: none !important;
}
.nal-embedded #site-container {
  top: 0 !important;
}