/* ============================================================
   SteinTecDev — Shared atmospheric background
   Interactive particle constellation + cursor-following aura.
   Loaded on every page so the whole site feels like one system.
   Hidden entirely under prefers-reduced-motion.
   ============================================================ */
.fx-field{
  position:fixed; inset:0; z-index:-1;
  pointer-events:none; display:block;
}
/* warm glow that follows the cursor (screen lifts it off the
   graphite chassis) */
.fx-glow{
  position:fixed; inset:0; z-index:-1; pointer-events:none;
  mix-blend-mode:screen; opacity:.8;
  --gx:50vw; --gy:40vh;
  background:
    radial-gradient(460px circle at var(--gx) var(--gy),
      color-mix(in oklab, var(--copper) 16%, transparent) 0%,
      color-mix(in oklab, var(--copper) 6%, transparent) 34%,
      transparent 64%);
}
@media (prefers-reduced-motion: reduce){
  .fx-field, .fx-glow{ display:none !important }
}