:root{
  /* ---- Neutral ramp (the whole site is dark; there is no light mode) ---- */
  --ink-900:#141414;   /* page background */
  --ink-850:#171717;   /* portfolio tile surface */
  --ink-800:#1b1b1b;   /* portfolio tile hover */
  --ink-700:#2b2928;   /* division card, idle */
  --ink-600:#333130;   /* division card, hover (neutral) */
  --white:#ffffff;

  /* ---- Ink on dark ---- */
  --alpha-100:rgba(255,255,255,1);
  --alpha-70:rgba(255,255,255,.70);
  --alpha-56:rgba(255,255,255,.56);
  --alpha-40:rgba(255,255,255,.40);
  --alpha-16:rgba(255,255,255,.16);
  --alpha-08:rgba(255,255,255,.08);
  --alpha-06:rgba(255,255,255,.06);

  /* ---- Division accents (one per operating company) ---- */
  --brand-tech:#1b13a7;
  --brand-ai:#5c2e94;
  --brand-ai-deep:#471e60;
  --brand-studio:#cf4005;
  --brand-venture:#00633f;

  /* ---- Status ---- */
  --status-exit-bg:#185439;
  --status-exit-fg:#ffffff;
  --status-dot-core:#d7ece2;
  --status-dot-edge:#0f7a4c;

  /* ---- Semantic aliases ---- */
  --surface-page:var(--ink-900);
  --surface-card:var(--ink-700);
  --surface-tile:var(--ink-850);
  --surface-tile-hover:var(--ink-800);
  --text-primary:var(--alpha-100);
  --text-secondary:var(--alpha-70);
  --text-muted:var(--alpha-56);
  --text-on-accent:var(--white);
  --border-hairline:var(--alpha-06);
  --border-tile-hover:var(--alpha-16);
  --border-control:var(--alpha-100);
  --logo-idle:var(--alpha-56);
}