/* Lux3 · base visual y variables. */
/* Lux3 / Fase 0 — portal oscuro con cabecera clásica segmentada. */
body.gh-portal-mode{
  --lux-metal:#c8a66a;
  --lux-metal-hi:#f3dfad;
  --lux-red:#5f140d;
  --lux-red-deep:#260805;
  --lux-stone:#22221d;
  --lux-line:rgba(219,187,123,.46);
  --lux-text:#f7e7be;
  background:
    radial-gradient(circle at 50% -12%,rgba(123,94,47,.22),transparent 30%),
    repeating-linear-gradient(135deg,rgba(255,255,255,.018) 0 1px,transparent 1px 5px),
    linear-gradient(#070705,#11100d 42%,#060604);
}