:root{
/* base — four inks, nothing else */
--ink-900:#12100E;--ink-700:#2A2521;--ink-400:#6B6156;--ink-200:#A79C8E;
--paper-000:#F7F3EC;--paper-100:#EFE8DC;--paper-200:#E4DACA;--paper-300:#D6C9B4;
--red-600:#C0261C;--red-800:#8A1A14;--red-400:#D9564C;
--clay-500:#9A8977;
/* semantic — surfaces */
--surface-paper:var(--paper-100);--surface-paper-bright:var(--paper-000);--surface-paper-deep:var(--paper-200);
--surface-ink:var(--ink-900);--surface-signal:var(--red-600);--surface-signal-deep:var(--red-800);
/* semantic — text */
--text-body:var(--ink-700);--text-display:var(--ink-900);--text-muted:var(--ink-400);
--text-on-ink:var(--paper-100);--text-on-signal:var(--paper-000);--text-signal:var(--red-600);
/* semantic — lines */
--rule-hair:var(--ink-900);--rule-soft:var(--ink-200);--rule-signal:var(--red-600);
/* the one permitted shadow: a printed book on a flat ground */
--shadow-object:24px 30px 60px rgba(18,16,14,.28);
--shadow-object-tight:6px 8px 22px rgba(18,16,14,.22);
}