:root {
 	--font-family-mono: "MD IO", monospace;
 	--font-family-sans: "Greycliff CF", system-ui, sans-serif;
 	--font-family-serif: serif;
 	--font-weight-bold: 900;
 	--font-weight-medium: 600;
 	--font-weight-regular: 400;
 	--line-height-base: 1.728;
 	--line-height-small: 1.2;
 	--measure-base: 72ch;
 	--measure-small: 44ch;
 	--tracking-standard: normal;
 	--tracking-tight: -0.04em;
 	--tracking-wide: 0.06em;
}