{
  "typography": {
    "$description": "Greyhaven Design System — Typography Tokens",
    "fontFamily": {
      "sans": {
        "$type": "fontFamily",
        "$value": ["Aspekta", "Inter", "ui-sans-serif", "system-ui", "sans-serif"],
        "$description": "UI labels, buttons, nav, forms — Aspekta primary, Inter fallback"
      },
      "serif": {
        "$type": "fontFamily",
        "$value": ["Source Serif 4", "Source Serif Pro", "Georgia", "serif"],
        "$description": "Headings, body content, reading — Source Serif primary"
      },
      "mono": {
        "$type": "fontFamily",
        "$value": ["ui-monospace", "SFMono-Regular", "Menlo", "Monaco", "Consolas", "monospace"],
        "$description": "Code blocks and monospaced content"
      }
    },
    "fontSize": {
      "xs": {
        "$type": "dimension",
        "$value": "0.75rem",
        "$description": "12px — metadata, fine print"
      },
      "sm": {
        "$type": "dimension",
        "$value": "0.875rem",
        "$description": "14px — captions, nav, labels, buttons"
      },
      "base": {
        "$type": "dimension",
        "$value": "1rem",
        "$description": "16px — body text"
      },
      "lg": {
        "$type": "dimension",
        "$value": "1.125rem",
        "$description": "18px — large body, subtitles"
      },
      "xl": {
        "$type": "dimension",
        "$value": "1.25rem",
        "$description": "20px — H3"
      },
      "2xl": {
        "$type": "dimension",
        "$value": "1.5rem",
        "$description": "24px — H2"
      },
      "3xl": {
        "$type": "dimension",
        "$value": "1.875rem",
        "$description": "30px — large H2"
      },
      "4xl": {
        "$type": "dimension",
        "$value": "2.25rem",
        "$description": "36px — H1"
      },
      "5xl": {
        "$type": "dimension",
        "$value": "3rem",
        "$description": "48px — hero heading"
      }
    },
    "fontWeight": {
      "normal": {
        "$type": "fontWeight",
        "$value": 400,
        "$description": "Regular body text"
      },
      "medium": {
        "$type": "fontWeight",
        "$value": 500,
        "$description": "H3, labels, nav items"
      },
      "semibold": {
        "$type": "fontWeight",
        "$value": 600,
        "$description": "H1, H2, buttons"
      },
      "bold": {
        "$type": "fontWeight",
        "$value": 700,
        "$description": "Strong emphasis"
      }
    },
    "lineHeight": {
      "tight": {
        "$type": "dimension",
        "$value": "1.25",
        "$description": "Headings"
      },
      "normal": {
        "$type": "dimension",
        "$value": "1.5",
        "$description": "Default"
      },
      "relaxed": {
        "$type": "dimension",
        "$value": "1.625",
        "$description": "Body content for readability"
      }
    },
    "letterSpacing": {
      "tight": {
        "$type": "dimension",
        "$value": "-0.025em",
        "$description": "Headings — tracking-tight"
      },
      "normal": {
        "$type": "dimension",
        "$value": "0em",
        "$description": "Body text"
      },
      "wide": {
        "$type": "dimension",
        "$value": "0.05em",
        "$description": "Uppercase labels"
      }
    },
    "composite": {
      "$description": "Pre-composed typography styles for common use cases",
      "h1": {
        "$description": "Page heading — serif, text-4xl, font-semibold, tracking-tight"
      },
      "h2": {
        "$description": "Section heading — serif, text-2xl, font-semibold, tracking-tight"
      },
      "h3": {
        "$description": "Subsection heading — serif, text-xl, font-medium"
      },
      "body": {
        "$description": "Body text — serif, text-base, leading-relaxed"
      },
      "caption": {
        "$description": "Caption text — sans, text-sm"
      },
      "nav": {
        "$description": "Navigation — sans, text-sm, font-medium"
      },
      "button": {
        "$description": "Button label — sans, text-sm, font-semibold"
      },
      "label": {
        "$description": "Form label — sans, text-sm, font-medium"
      },
      "metadata": {
        "$description": "Metadata — sans, text-xs, font-medium"
      }
    }
  }
}