:root{
  /* Porcelain ground, black ink, one deep chamber colour. */
  --paper:#ffffff;
  --porcelain:#f6f5f3;
  --ink:#111111;
  --ink-soft:#6b6b6b;
  --line:#e3e1dd;
  --chamber:#060daa;
  --red:#b4231a;
  --green:#2f6b45;
  --amber:#9a6a00;
  --sans:"Inter",system-ui,-apple-system,Segoe UI,sans-serif;
  --gut:clamp(20px,5vw,64px);
  --sec:clamp(72px,11vw,160px);
  --max:1440px;
  /* tracking inverts by size */
  --track-display:-.045em;
  --track-micro:.14em;
}