:root{
/* Tallow Red — brand mark. 400 is artwork only, never text. */
--bht-red-50:#FAF2F2;--bht-red-100:#F6DDDE;--bht-red-200:#F2B2B6;--bht-red-300:#F07C82;--bht-red-400:#EE3A43;--bht-red-500:#EB1721;--bht-red-600:#C3111A;--bht-red-700:#9C0F16;--bht-red-800:#730F14;--bht-red-900:#510D11;
/* Field Green — sustainability and stewardship only. */
--bht-green-50:#F6F8F4;--bht-green-100:#E9EFE4;--bht-green-200:#D2E0C5;--bht-green-300:#B6CF9D;--bht-green-400:#9ABF76;--bht-green-500:#80AE53;--bht-green-600:#699044;--bht-green-700:#516F34;--bht-green-800:#41572B;--bht-green-900:#2F3E21;
/* Steel Blue — support and surface. Demoted from brand colour. */
--bht-steel-50:#F4F6F8;--bht-steel-100:#E4EAEF;--bht-steel-200:#C4D5E1;--bht-steel-300:#9CBAD1;--bht-steel-400:#6294B9;--bht-steel-500:#5088B1;--bht-steel-600:#417092;--bht-steel-700:#355A76;--bht-steel-800:#2A4458;--bht-steel-900:#20313F;
/* Stainless — all neutrals. Warm grey sampled from the tanker barrel. */
--bht-neutral-50:#F6F6F6;--bht-neutral-100:#EAEAE9;--bht-neutral-200:#D3D4D1;--bht-neutral-300:#B8B8B4;--bht-neutral-400:#9C9D97;--bht-neutral-500:#8E8F88;--bht-neutral-600:#6C6D67;--bht-neutral-700:#575853;--bht-neutral-800:#42433F;--bht-neutral-900:#30302E;
/* Semantic roles — pick from roles, not ramps. */
--bht-bg:#FFFFFF;
--bht-surface:var(--bht-neutral-50);
--bht-text:var(--bht-neutral-900);
--bht-text-muted:var(--bht-neutral-700);
--bht-hairline:var(--bht-neutral-200);
--bht-link:var(--bht-steel-700);
--bht-link-hover:var(--bht-red-600);
--bht-action:var(--bht-red-600);
--bht-action-hover:var(--bht-red-700);
--bht-action-secondary:var(--bht-steel-700);
--bht-sustainability:var(--bht-green-700);
--bht-focus:var(--bht-steel-600);
--bht-error:var(--bht-red-700);
--bht-mark:var(--bht-red-400);
}