/* 10Zero palette 01, Amber + Oxblood. LOCKED 2026-09-26 by Brayden.
   Source of truth: 10zero-brand-book/BRAND-GUIDE.md. Do not add colours here
   without a new entry in 10zero-brand-book/DECISIONS.md. */
:root{
  --tz-amber:#D79A46;    /* the 10, primary accent */
  --tz-oxblood:#4A0E13;  /* ZERO + AI STUDIO on light; never a background */
  --tz-paper:#F7F4EE;    /* light ground; ZERO + AI STUDIO on dark */
  --tz-charcoal:#282421; /* body text; the only dark ground */
  --tz-stone:#E5DDD2;    /* panels, secondary surfaces */
  --tz-sage:#64705C;     /* diagrams, supporting accent */
}
/* Contrast, measured: oxblood/paper 14.0, charcoal/paper 14.0, amber/charcoal 6.3,
   amber/paper 2.2 (fails for text; logo and large shapes only), oxblood/charcoal 1.0 (never). */