:root{
--font-core:"Nunito Sans","Avenir Next","Avenir","Segoe UI",system-ui,sans-serif;
--font-display:var(--font-core);
--font-body:var(--font-core);
--font-mono:"SFMono-Regular",Menlo,Consolas,monospace;

/* Weights — the guide specifies only Avenir Black (display) and Avenir Roman (body) */
--weight-body:400;
--weight-medium:600;
--weight-bold:700;
--weight-black:900;

/* Display scale — modeled on the guide's 60pt/62 headline ratio (~1.03 leading) */
--text-display-1:76px;   --leading-display-1:1.04;
--text-display-2:60px;   --leading-display-2:1.04;
--text-display-3:44px;   --leading-display-3:1.08;
--text-h1:34px;          --leading-h1:1.15;
--text-h2:26px;          --leading-h2:1.2;
--text-h3:20px;          --leading-h3:1.3;
--text-h4:17px;          --leading-h4:1.35;

/* Body scale — guide body copy is 22pt/28 (~1.27 leading) */
--text-lead:22px;        --leading-lead:1.27;
--text-body-lg:17px;     --leading-body-lg:1.5;
--text-body-md:15px;     --leading-body-md:1.55;
--text-body-sm:13px;     --leading-body-sm:1.5;
--text-caption:12px;     --leading-caption:1.4;
--text-overline:11px;    --leading-overline:1.2;

--tracking-display:-0.02em;
--tracking-heading:-0.01em;
--tracking-body:0em;
--tracking-overline:0.14em;
}