/**
 * System Engine preloader — FX-only overlay (Spec Run / any page).
 * Link in <head> before page paint. Markup: .system-preloader in Webflow (first in body).
 */

html.ltf-system-engine-boot,
html.ltf-system-engine-boot body {
  overflow: hidden !important;
}

.system-preloader {
  --ltf-se-bg: var(--iq-bg, #00001c);
  --ltf-se-muted: var(--iq-slate, #cbd5e1);
  --ltf-se-purple: var(--iq-nebula-purple, #4d259d);
  --ltf-se-teal: var(--iq-nebula-teal, #2aaab8);
  --ltf-se-green: var(--iq-nebula-green, #0b8050);
  --ltf-se-purple-mid: var(--iq-nebula-purple-mid, #7040c0);

  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--ltf-se-bg);
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  clip-path: circle(150% at 50% 50%);
  transition:
    clip-path 0.8s cubic-bezier(0.77, 0, 0.175, 1),
    opacity 0.5s ease;
}

.system-preloader .preloader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  transition: transform 0.4s ease, opacity 0.3s ease;
}

.system-preloader .gradient-spinner-ring {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    transparent 0%,
    var(--ltf-se-teal) 35%,
    var(--ltf-se-purple-mid) 65%,
    var(--ltf-se-purple) 100%
  );
  mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #fff calc(100% - 3px));
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #fff calc(100% - 3px));
  animation: ltf-system-engine-spin 1s linear infinite;
}

.system-preloader .preloader-status-text {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ltf-se-muted);
  text-transform: uppercase;
}

@keyframes ltf-system-engine-spin {
  to {
    transform: rotate(360deg);
  }
}

.system-preloader.reveal-active {
  clip-path: circle(0% at 50% 50%);
  pointer-events: none;
}

.system-preloader.reveal-active .preloader-content {
  opacity: 0;
  transform: scale(0.8);
}

@media (prefers-reduced-motion: reduce) {
  .system-preloader .gradient-spinner-ring {
    animation: none;
  }

  .system-preloader,
  .system-preloader .preloader-content {
    transition-duration: 0.01ms;
  }
}