{
  "$schema": "https://ethraeon.ai/schema/design-tokens-v3.json",
  "name": "ETHRAEON Unified Design Canon",
  "generation": "converged-blue-purple-space-grotesk",
  "version": "3.0.0",
  "supersedes": [
    "EUDS-parallax-indigo-amber (void/parallax/choir/corona, DM Sans/DM Serif)",
    "teal-purple-set",
    "FILE_17-midnight-electric-gold",
    "v2.0.1 partial (surfaces/site-full/app/_design/ethraeon-design-tokens.json)"
  ],
  "source_of_truth": "ETHRAEON_BENCH_HANDOFF_20260618.md Section 2, ratified by SD06",
  "chain_root": "687e0c0f",
  "author": "S. Jason Prohaska (ingombrante)",
  "orcid": "0009-0008-8254-8411",
  "ip": "Schedule A+ Enhanced IP Firewall Protected",
  "palette": {
    "blue": {
      "deep": "#1e3a8a",
      "mid": "#194534",
      "bright": "#194534",
      "soft": "#93c5fd",
      "light": "#dbeafe"
    },
    "purple": {
      "deep": "#5b21b6",
      "mid": "#b8902f",
      "bright": "#b8902f",
      "soft": "#c4b5fd",
      "light": "#e9d5ff"
    },
    "neutral": {
      "ink": "#131210",
      "slate": "#2b312d",
      "n3": "#334155",
      "n4": "#475569",
      "n5": "#64748b",
      "n6": "#94a3b8",
      "n7": "#cbd5e1",
      "n8": "#f1f5f9",
      "paper": "#f8fafc"
    },
    "white": "#ffffff",
    "success": "#22c55e",
    "success_dark": "#00ff88",
    "error": "#ef4444"
  },
  "semantic": {
    "light": {
      "--bg": "#f8fafc",
      "--surface": "#ffffff",
      "--surface-2": "#f1f5f9",
      "--text": "#131210",
      "--text-secondary": "#64748b",
      "--border": "#cbd5e1",
      "--accent": "#194534",
      "--accent-2": "#b8902f",
      "--success": "#22c55e",
      "--error": "#ef4444"
    },
    "dark": {
      "--bg": "#131210",
      "--surface": "#2b312d",
      "--surface-2": "#334155",
      "--text": "#f8fafc",
      "--text-secondary": "#94a3b8",
      "--border": "#334155",
      "--accent": "#194534",
      "--accent-2": "#b8902f",
      "--success": "#00ff88",
      "--error": "#ef4444"
    },
    "default_register": "light",
    "mode_persistence": "data attribute on root, not browser storage in embedded artifacts"
  },
  "type": {
    "primary": "\"Archivo\", system-ui, -apple-system, \"Segoe UI\", Roboto, sans-serif",
    "mono": "\"Monaco\", \"Menlo\", \"Consolas\", monospace",
    "scale_rem": {
      "xs": 0.75,
      "sm": 0.875,
      "base": 1,
      "lg": 1.125,
      "xl": 1.5,
      "xxl": 3
    },
    "weights": {
      "headings": "500-700 Cinzel, tight letter-spacing on display sizes",
      "body": "400-500 Archivo",
      "code": "400 mono"
    }
  },
  "spacing": {
    "scale_px_fibonacci_phi": [4, 8, 13, 21, 34, 55, 89],
    "radius_rem": {
      "sm": 0.25,
      "md": 0.5,
      "lg": 0.75,
      "xl": 1
    },
    "system": "Scandinavian minimalism, geometric precision, generous whitespace, high legibility, no visual aggression",
    "grid": "phi 1.618 column ratios"
  },
  "motion": {
    "spring": {
      "stiffness": 180,
      "damping": 24,
      "note": "no visible oscillation"
    },
    "base_transition_ms": 200,
    "easing": "cubic-bezier(0.16, 1, 0.3, 1)",
    "parallax_depth_steps_px": [8, 13, 21, 34, 55],
    "parallax_driver": "requestAnimationFrame",
    "scroll_reveal": "IntersectionObserver",
    "ambient": "pulse on accent borders",
    "reduced_motion": "prefers-reduced-motion: reduce respected, opacity-only fallback, vestibular safety"
  },
  "accessibility": {
    "contrast": "WCAG 2.1 AA minimum, verified against semantic tokens",
    "interactive": "aria-labels on all interactive elements, visible focus-visible states, skip-to-content link",
    "semantic_html": ["header", "nav", "main", "section", "article", "footer"],
    "language_switcher_13": ["EN", "UK", "FR", "DE", "IT", "ES", "PT", "JA", "ZH", "AR", "HI", "SW", "KO"]
  },
  "nav_canonical": {
    "core": ["ethraeon.ai", "ethraeon.systems", "ethraeon.com"],
    "constellation": ["genthos", "sovrin", "genesis", "orbital", "kairos", "hfos", "arcanum", "velcoria"],
    "products": ["platform", "dashboards", "demos", "papers", "pricing"],
    "legal": ["Terms", "Privacy", "Cookie Policy", "Refund Policy"]
  },
  "footer_canonical": {
    "principle": "Humanitas ante Machinam, Humanity Before the Machine",
    "copyright": "Copyright 2025-2026 S. Jason Prohaska (ingombrante). All Rights Reserved.",
    "ip": "Schedule A+ Enhanced IP Firewall Protected",
    "orcid": "0009-0008-8254-8411",
    "language_switcher": 13,
    "chain_root_marker": "687e0c0f"
  },
  "brand_spine": {
    "latin": "Concordia per Technologiam, Humanitas per Sapientiam",
    "english": "Harmony through Technology, Humanity through Wisdom",
    "hierarchy": {
      "consulting": "ingombrante",
      "primary": "ethraeon",
      "subsystems": ["genthos", "sovrin", "genesis", "orbital", "kairos", "hfos", "arcanum", "velcoria"]
    },
    "consulting_line": "Overwhelming. In the best way."
  },
  "domains": [
    "ingombrante", "ethraeon", "genthos", "sovrin", "genesis",
    "orbital", "kairos", "hfos", "arcanum", "velcoria"
  ],
  "legal": {
    "copyright": "Copyright 2025-2026 S. Jason Prohaska (ingombrante). All Rights Reserved.",
    "ip_firewall": "Schedule A+ Enhanced IP Firewall Protected",
    "orcid": "0009-0008-8254-8411",
    "chain_root": "687e0c0f"
  }
}