{
  "version": "1.2",
  "date": "2026-10-20",
  "scope": "Shared colour roles across local route families. Native layout system on 36 commercial routes; editorial, documentation and brand resources use their own scoped families.",
  "modes": {
    "dark": {
      "bg": "#0D1211",
      "soft": "#151D1A",
      "surface": "#1D2823",
      "surface-hover": "#25332C",
      "text": "#F2F5F1",
      "muted": "#ABB8AF",
      "accent": "#93F1C9",
      "on-accent": "#0C2B1E",
      "accent-hover": "#B9F8DC",
      "border": "#35423B",
      "focus": "#D0FFE9",
      "hero-wash": "#244D3B",
      "footer-bg": "#0D1211"
    },
    "light": {
      "bg": "#F6F8F5",
      "soft": "#EAF0E9",
      "surface": "#FFFFFF",
      "surface-hover": "#EDF3ED",
      "text": "#14352A",
      "muted": "#4D6558",
      "accent": "#246247",
      "on-accent": "#FFFFFF",
      "accent-hover": "#174D36",
      "border": "#C9D6CC",
      "focus": "#236044",
      "hero-wash": "#DCEBE1",
      "footer-bg": "#071815"
    }
  },
  "chapter": {
    "forest": "#153D30",
    "text": "#F0FAF5",
    "muted": "#BFD1C7",
    "accent": "#93F1C9"
  },
  "identity": {
    "mint": "#93F1C9",
    "light-logo-ink": "#1E2F23",
    "light-logo-dot": "#41999F"
  },
  "typography": {
    "display": "Inter",
    "body": "Inter",
    "detail": "IBM Plex Mono",
    "hero": {
      "weight": 700,
      "desktop": "clamp(44px,5.2vw,88px)",
      "lineHeight": 1.035,
      "tracking": "-0.048em"
    },
    "section": {
      "weight": 500,
      "size": "32–49px",
      "lineHeight": 1.16
    },
    "reading": {
      "weight": 400,
      "size": "16–18px",
      "lineHeight": "1.65–1.8",
      "measure": "60–70ch"
    }
  },
  "interaction": {
    "duration": "180ms",
    "scroll": "native",
    "reducedMotion": "required",
    "targetSize": "44px"
  },
  "icons": {
    "family": "Phosphor",
    "weight": "thin",
    "format": "SVG",
    "viewBox": "0 0 256 256"
  },
  "legacy": {
    "note": "Excluded from the new primary UI hierarchy.",
    "fonts": [
      "Sora",
      "Barlow"
    ],
    "yellow": "#F7D450"
  }
}