{
  "contract": "aesthetary.record/1.0",
  "record_spec": "1.1.0",
  "semantics": {
    "vocabulary": "aesthetary.public-evidence/1.0",
    "definitions": "vocabulary.json"
  },
  "slug": "art-deco",
  "name": "Art Deco",
  "identity": {
    "definition": {
      "state": "resolved",
      "text": "Stepped forms, sunburst motifs, gold linework, strict symmetry, vertical emphasis"
    },
    "scope": {
      "state": "withheld"
    },
    "aliases": [
      "Deco",
      "1920s",
      "Jazz Age",
      "stepped geometry"
    ],
    "layer_verdict": {
      "state": "withheld"
    }
  },
  "native_medium": {
    "state": "owed",
    "owed": "judgment",
    "why": "A judgment on the material the record already holds is still owed."
  },
  "research": {
    "line": "partly_sourced",
    "text": "Partly sourced",
    "sentence": "1 source attached."
  },
  "areas": [
    {
      "area": "layout",
      "state": "owed",
      "owed": "research",
      "why": "No source has been examined for this yet."
    },
    {
      "area": "typography",
      "state": "resolved",
      "canon": "specified",
      "importance": "unknown",
      "posture_basis": "synthesis",
      "label": {
        "text": "Specified"
      }
    },
    {
      "area": "color",
      "state": "owed",
      "owed": "research",
      "why": "No source has been examined for this yet."
    },
    {
      "area": "imagery",
      "state": "owed",
      "owed": "research",
      "why": "No source has been examined for this yet."
    },
    {
      "area": "surface",
      "state": "owed",
      "owed": "research",
      "why": "No source has been examined for this yet."
    },
    {
      "area": "interface",
      "state": "owed",
      "owed": "research",
      "why": "No source has been examined for this yet."
    },
    {
      "area": "motion",
      "state": "owed",
      "owed": "research",
      "why": "No source has been examined for this yet."
    },
    {
      "area": "motif",
      "state": "resolved",
      "canon": "specified",
      "importance": "unknown",
      "posture_basis": "synthesis",
      "label": {
        "text": "Specified"
      }
    },
    {
      "area": "technique",
      "state": "owed",
      "owed": "research",
      "why": "No source has been examined for this yet."
    },
    {
      "area": "form",
      "state": "owed",
      "owed": "research",
      "why": "No source has been examined for this yet."
    },
    {
      "area": "hierarchy",
      "state": "owed",
      "owed": "research",
      "why": "No source has been examined for this yet."
    },
    {
      "area": "density",
      "state": "owed",
      "owed": "research",
      "why": "No source has been examined for this yet."
    }
  ],
  "claims": [
    {
      "id": "ad-r1",
      "text": "Ornament is geometric in construction — stepped profiles, chevrons, fans, concentric circles, vertical banding — never organic growth form.",
      "role": "rule",
      "area": "motif",
      "basis": "documentary",
      "support": {
        "state": "cited_unverified",
        "for": [
          "65M90NBR5FKS409HVQ85XTS22C"
        ],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "documented",
        "mark": "unverified",
        "text": "Documented · Source not yet verified"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "intent",
      "text": "Industrial modernity can be luxurious. Machine geometry is used as ornament rather than as a rejection of ornament.",
      "role": "argument",
      "area": null,
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [],
      "ruling": "D0-3 C1 prose"
    },
    {
      "id": "gestalt",
      "text": "Stepped and setback forms, sunburst and chevron motifs, fine gold or metallic linework, and strict bilateral symmetry with a strong vertical emphasis. The diagnostic combination is symmetry plus stepped geometry plus ornament: geometry alone is Bauhaus, ornament alone is Victorian, and symmetry alone is classical. Because the label was applied retrospectively to several distinct bodies of work, expect genuine internal variation — the French luxury objects and the American skyscraper idiom are not the same thing.",
      "role": "diagnostic",
      "area": null,
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [],
      "ruling": "D0-3 C1 prose"
    },
    {
      "id": "intent-negation",
      "text": "Refuses both Victorian organic ornament and the modernist position that geometry must be austere.",
      "role": "argument",
      "area": null,
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [],
      "ruling": "D0-3 C1 prose"
    },
    {
      "id": "intent-cost",
      "text": "Costs accepted: Modernist legitimacy; Consistency — the label covers genuinely different bodies of work",
      "role": "argument",
      "area": null,
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [],
      "ruling": "D0-3 C1 prose"
    },
    {
      "id": "intent-audience",
      "text": "Audience: A viewer who reads symmetry and metallic finish as prestige.",
      "role": "argument",
      "area": null,
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [],
      "ruling": "D0-3 C1 prose"
    },
    {
      "id": "v1-distinguishing",
      "text": "Machine-age luxury; geometric but ornamental, unlike Bauhaus",
      "role": "diagnostic",
      "area": null,
      "basis": "inherited",
      "support": {
        "state": "inherited",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "catalogue",
        "text": "From our catalogue entry"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "v1-era",
      "text": "Era: early-modernist",
      "role": "context",
      "area": null,
      "basis": "inherited",
      "support": {
        "state": "inherited",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "catalogue",
        "text": "From our catalogue entry"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "v1-mood",
      "text": "Mood: sophisticated, dramatic",
      "role": "context",
      "area": null,
      "basis": "inherited",
      "support": {
        "state": "inherited",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "catalogue",
        "text": "From our catalogue entry"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "v1-cross-library",
      "text": "Cross-library: Typography: geometric display caps · Color: jewel plus metallic",
      "role": "context",
      "area": null,
      "basis": "inherited",
      "support": {
        "state": "inherited",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "catalogue",
        "text": "From our catalogue entry"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "v1-applications",
      "text": "Common applications: Hotels, bars, theatres, weddings",
      "role": "context",
      "area": null,
      "basis": "inherited",
      "support": {
        "state": "inherited",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "catalogue",
        "text": "From our catalogue entry"
      },
      "derives_from": [],
      "ruling": null
    },
    {
      "id": "sector-registers",
      "text": "Sectors: Hotels, bars, theatres, weddings",
      "role": "context",
      "area": null,
      "basis": "synthesis",
      "support": {
        "state": "none",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "reading",
        "text": "Our reading"
      },
      "derives_from": [],
      "ruling": "D0-3 C3 sector"
    },
    {
      "id": "typography-block",
      "text": "Typography: geometric display caps; class geometric_sans; role display",
      "role": "rule",
      "area": "typography",
      "basis": "inherited",
      "support": {
        "state": "inherited",
        "for": [],
        "against": [],
        "contested": false
      },
      "label": {
        "kind": "catalogue",
        "text": "From our catalogue entry"
      },
      "derives_from": [],
      "ruling": "D0-3 C2 typo"
    }
  ],
  "web_translations": [],
  "standard_practice": [],
  "sources": [
    {
      "id": "65M90NBR5FKS409HVQ85XTS22C",
      "kind": "source",
      "title": "1925-2025. One Hundred Years of Art Deco",
      "url": "https://madparis.fr/1925-2025-One-Hundred-Years-of-Art-Deco",
      "status": "verified",
      "retrieval": "retrieved"
    }
  ],
  "relations": [
    {
      "slug": "bauhaus",
      "kind": "confused_with",
      "status": "proposed"
    },
    {
      "slug": "gilded",
      "kind": "confused_with",
      "status": "proposed"
    },
    {
      "slug": "girih-and-arabesque",
      "kind": "confused_with",
      "status": "proposed"
    },
    {
      "slug": "streamline-moderne",
      "kind": "confused_with",
      "status": "proposed"
    },
    {
      "slug": "art-deco",
      "kind": "visual_language_of",
      "status": "confirmed"
    }
  ],
  "open": [
    {
      "kind": "open_question",
      "question": "[form_module] A1: this language is native to substrate \"built_space\". Author a form module (substrate + transfer_note), or set depth_policy influence_only."
    },
    {
      "kind": "open_question",
      "question": "[architecture_question] Delta seeds built_space, correct for skyscrapers and wrong for jewellery, furniture and posters. Benchmark gap N11 appearing inside the Alpha set."
    },
    {
      "kind": "open_question",
      "question": "Module gap: A typography module for geometric all-capital display lettering with high stroke contrast and narrow apertures."
    },
    {
      "kind": "open_question",
      "question": "Module gap: A color module pairing saturated jewel tones with metallic golds and bronzes."
    },
    {
      "state": "withheld"
    }
  ],
  "aesthetary_build": {
    "note": "Values Aesthetary built with. Not claims about the Aesthetic.",
    "measured": {
      "note": "Read from the page's own stylesheet at build time. Values Aesthetary built with, not claims about the Aesthetic.",
      "slug": "art-deco",
      "stylesheet": "art-deco.css",
      "bytes": 14486,
      "colours": [
        "#F2E9D8",
        "#10312B",
        "#C8A24B",
        "#0B2622",
        "#CBC2AE",
        "#8F7A45",
        "#5E4C1F",
        "#6B6450"
      ],
      "radii": [
        "50%"
      ],
      "fontSizes": [
        "0.26em",
        "12px",
        "13px",
        "14px",
        "15px",
        "20px",
        "22px",
        "26px",
        "28px",
        "32px"
      ],
      "faces": [
        "PoiretOneX",
        "JostX"
      ],
      "tokens": [
        {
          "name": "--ad-cream",
          "value": "#F2E9D8"
        },
        {
          "name": "--ad-green",
          "value": "#10312B"
        },
        {
          "name": "--ad-gold",
          "value": "#C8A24B"
        },
        {
          "name": "--ad-deep",
          "value": "#0B2622"
        },
        {
          "name": "--ad-stone",
          "value": "#CBC2AE"
        },
        {
          "name": "--ad-bronze",
          "value": "#8F7A45"
        },
        {
          "name": "--ad-gold-half",
          "value": "rgba(200, 162, 75, 0.5)"
        },
        {
          "name": "--ad-body",
          "value": "\"JostX\", \"Jost\", \"Century Gothic\", \"Trebuchet MS\", sans-serif"
        },
        {
          "name": "--ad-disp",
          "value": "\"PoiretOneX\", \"Poiret One\", \"JostX\", sans-serif"
        }
      ],
      "animates": true,
      "absent": []
    },
    "design_grammar": {
      "note": "Aesthetary's translation of this record into web primitives. Every value carries a basis: \"record\" is a rule the record holds (cites names it), \"translation\" is our choice derived from the cited rules (because says how), \"not_recorded\" means the record is silent (guidance says what to do). A \"record\" value restates a claim the record holds; its standing is that claim's own kind in the record (a requirement, period practice, modern practice, or our interpretation), which the cited rule states. \"record\" does not by itself make a value a property of the language.",
      "slug": "art-deco",
      "version": "2026-09-26",
      "summary": "A starting grammar for a website in Art Deco. The record establishes one rule (ornament is geometric) and a display type treatment; colour, layout, imagery, motion and interface are not researched yet, and the sources do not specify body type. This grammar says so instead of filling them.",
      "color": {
        "roles": [
          {
            "role": "metal",
            "value": "#C8A24B",
            "use": "Linework: the fine gold or metallic line the recognition statement names.",
            "basis": "translation",
            "cites": [
              "gestalt"
            ]
          }
        ],
        "alternates": [],
        "rules": [
          {
            "rule": "Draw linework in a gold or metallic tone.",
            "basis": "translation",
            "cites": [
              "gestalt"
            ],
            "because": "Our translation of the record's recognition signature into this web primitive; the record states it as the look, not as a rule."
          },
          {
            "rule": "The ground colour and wider palette are not researched yet.",
            "basis": "not_recorded",
            "cites": [],
            "guidance": "Choose a ground that lets the metallic line read (it needs 3:1). Do not present a black-and-gold palette as the Deco palette.",
            "silence": "unresearched"
          }
        ]
      },
      "typography": {
        "family": {
          "stack": "\"Jost\", \"Futura\", \"Century Gothic\", sans-serif",
          "class": "geometric sans, for display, in capitals"
        },
        "roles": [
          {
            "role": "display",
            "size": "2.5rem",
            "weight": 400,
            "lineHeight": "1.1",
            "case": "uppercase",
            "tracking": null,
            "measure": null,
            "use": "Headings and labels."
          }
        ],
        "rules": [
          {
            "rule": "Set display text in a geometric sans, in capitals.",
            "basis": "translation",
            "cites": [
              "typography"
            ],
            "because": "Our translation of the record's typography block into this web primitive; the block is a catalogue phrase, not a rule."
          },
          {
            "rule": "The sources do not specify body type.",
            "basis": "not_recorded",
            "cites": [],
            "guidance": "Choose a reading face on legibility grounds and do not call it Deco.",
            "silence": "source"
          },
          {
            "rule": "The sources do not specify tracking.",
            "basis": "not_recorded",
            "cites": [],
            "guidance": "Wide-spaced capitals are a common Deco cliché; the record does not hold them.",
            "silence": "source"
          }
        ]
      },
      "gridLayout": {
        "summary": "Layout is not researched yet. What the record holds is vertical emphasis and stepped, setback forms.",
        "rules": [
          {
            "rule": "Lean compositions vertical: tall panels, tall proportions, content read upward.",
            "basis": "translation",
            "cites": [
              "gestalt"
            ],
            "because": "The recognition statement names a strong vertical emphasis."
          },
          {
            "rule": "Bilateral symmetry is not adopted as a rule.",
            "basis": "not_recorded",
            "cites": [
              "gestalt",
              "token_rule:ad-r1"
            ],
            "guidance": "It appears in the recognition statement, but the record does not adopt it because the bodies of work under the label differ. Use it as a choice, not a requirement.",
            "silence": "unresearched"
          }
        ]
      },
      "shapeGeometry": {
        "tokens": {
          "step": "4px",
          "band-gap": "6px",
          "line": "1px"
        },
        "rules": [
          {
            "rule": "Build ornament geometrically: stepped profiles, chevrons, fans, concentric circles, vertical banding.",
            "basis": "record",
            "cites": [
              "token_rule:ad-r1"
            ]
          },
          {
            "rule": "Never use organic, growth-form ornament.",
            "basis": "record",
            "cites": [
              "token_rule:ad-r1",
              "intent"
            ]
          }
        ]
      },
      "imagery": {
        "rules": [
          {
            "rule": "Imagery is not researched yet.",
            "basis": "not_recorded",
            "cites": [],
            "guidance": "Nothing about photography or illustration is established. Choose on content grounds.",
            "silence": "unresearched"
          }
        ]
      },
      "components": {
        "button": {
          "name": "Button",
          "becomes": "A stepped silhouette: the corners are cut in steps, and the label is set in geometric capitals.",
          "anatomy": [
            "stepped (setback) corners",
            "label in geometric sans capitals",
            "thin metallic line"
          ],
          "tokens": {
            "corners": "stepped, two steps of 4px",
            "border": "1px solid metal",
            "case": "uppercase"
          },
          "states": {
            "default": "Metallic line on the ground, capitals in the line colour.",
            "hover": "The field fills with the metal; the label takes the ground colour.",
            "focus": "2px outline one step outside the silhouette.",
            "active": "Filled, with the inner line drawn.",
            "disabled": "Line and label at reduced contrast, still above 3:1."
          },
          "accessibility": [
            "Capitals are short labels only; sentences stay in mixed case.",
            "The stepped corners are clip-path, so the focus outline is drawn on a wrapper and stays visible."
          ],
          "values": [
            {
              "rule": "Cut the corners in steps rather than rounding or leaving them square.",
              "basis": "translation",
              "cites": [
                "token_rule:ad-r1",
                "gestalt"
              ],
              "because": "Stepped profiles are named geometric ornament; the setback form is in the recognition statement."
            },
            {
              "rule": "Set labels in geometric sans capitals.",
              "basis": "translation",
              "cites": [
                "typography"
              ],
              "because": "The record's typography is geometric display capitals, for display type; carrying them to interface labels is this grammar's translation."
            }
          ]
        },
        "card": {
          "name": "Card",
          "becomes": "A tall panel with a stepped crown and vertical banding: the card is read upward.",
          "anatomy": [
            "stepped top edge",
            "vertical bands down the sides",
            "title in geometric capitals"
          ],
          "tokens": {
            "top": "stepped crown, three setbacks",
            "bands": "2px lines, 6px apart",
            "ratio": "taller than wide"
          },
          "states": {
            "default": "Metallic linework on the ground.",
            "hover": "The bands fill.",
            "focus": "2px outline."
          },
          "accessibility": [
            "Ornament is CSS on the container, so it is invisible to screen readers.",
            "Body text is not set in capitals."
          ],
          "values": [
            {
              "rule": "Crown the card with a stepped profile and run vertical banding down its sides.",
              "basis": "translation",
              "cites": [
                "token_rule:ad-r1",
                "gestalt"
              ],
              "because": "Stepped profiles and vertical banding are named ornament, and the recognition statement stresses vertical emphasis."
            }
          ]
        },
        "input": {
          "name": "Input",
          "becomes": "A plain field framed by one metallic line, its label in geometric capitals above. The ornament stays off the control.",
          "anatomy": [
            "1px metallic line",
            "label in small geometric capitals",
            "mixed-case entry text"
          ],
          "tokens": {
            "border": "1px solid metal",
            "radius": "0",
            "labelCase": "uppercase"
          },
          "states": {
            "default": "1px metallic line.",
            "focus": "2px line and outline.",
            "error": "Message in words, beginning \"Error:\".",
            "disabled": "Line at reduced contrast."
          },
          "accessibility": [
            "Entry text is never forced to capitals.",
            "The field boundary meets 3:1 against the ground."
          ],
          "values": [
            {
              "rule": "Set the label in geometric sans capitals.",
              "basis": "translation",
              "cites": [
                "typography"
              ],
              "because": "The record's typography is geometric display capitals, for display type; carrying them to interface labels is this grammar's translation."
            },
            {
              "rule": "Interface is not researched yet, so there is no Deco position on form controls.",
              "basis": "not_recorded",
              "cites": [],
              "guidance": "Keep the field plain; ornament on a control is a decision to state, not a Deco rule.",
              "silence": "unresearched"
            }
          ]
        },
        "navigation": {
          "name": "Navigation",
          "becomes": "Capitals spaced across the top, with a fan or sunburst mark as the one ornament.",
          "anatomy": [
            "links in geometric capitals",
            "one fan motif",
            "thin rule under the row"
          ],
          "tokens": {
            "case": "uppercase",
            "rule": "1px solid metal"
          },
          "states": {
            "default": "Capitals in the line colour.",
            "hover": "A fan appears under the item.",
            "focus": "2px outline.",
            "current": "The fan stays under the current item."
          },
          "accessibility": [
            "aria-current on the current item; the fan is decoration only."
          ],
          "values": [
            {
              "rule": "Set navigation labels in geometric sans capitals.",
              "basis": "translation",
              "cites": [
                "typography"
              ],
              "because": "The record's typography is geometric display capitals, for display type; carrying them to interface labels is this grammar's translation."
            },
            {
              "rule": "Mark the current item with a fan, not colour alone.",
              "basis": "translation",
              "cites": [
                "token_rule:ad-r1"
              ],
              "because": "Fans are named geometric ornament; a mark that is not colour survives colour-blind reading."
            }
          ]
        }
      },
      "motion": {
        "spec": null,
        "rules": [
          {
            "rule": "Motion is not researched yet.",
            "basis": "not_recorded",
            "cites": [],
            "guidance": "Use none by default. Any motion is a decision to state.",
            "silence": "unresearched"
          }
        ]
      },
      "dimensions": [
        {
          "key": "ornament",
          "label": "Ornament",
          "summary": "The one recorded rule, and the centre of the language: machine geometry used as decoration, never organic form.",
          "tokens": {
            "orn-step": "4px",
            "orn-band": "2px"
          },
          "values": [
            {
              "rule": "Use stepped profiles, chevrons, fans, concentric circles and vertical banding.",
              "basis": "record",
              "cites": [
                "token_rule:ad-r1"
              ]
            },
            {
              "rule": "Treat geometry as ornament, not as austerity.",
              "basis": "translation",
              "cites": [
                "intent"
              ],
              "because": "Our translation of the record's argument (intent) into this web primitive; the record argues it, it does not state it as a rule."
            },
            {
              "rule": "Draw ornament in CSS (clip-path, borders, gradients of hard stops) so it scales and stays out of the accessibility tree.",
              "basis": "translation",
              "cites": [
                "token_rule:ad-r1"
              ],
              "because": "Geometric ornament is constructable, so it can be drawn rather than placed as images."
            }
          ]
        }
      ],
      "notRecorded": [
        {
          "category": "color",
          "what": "A palette beyond metallic linework",
          "why": "Colour is not researched yet."
        },
        {
          "category": "typography",
          "what": "Body type and tracking",
          "why": "The sources specify display type only (geometric sans, capitals)."
        },
        {
          "category": "gridLayout",
          "what": "A layout system, and symmetry as a rule",
          "why": "Symmetry is in the recognition statement but the rule's note says it does not survive the style's internal variation."
        },
        {
          "category": "imagery",
          "what": "Imagery",
          "why": "Not researched yet."
        },
        {
          "category": "components",
          "what": "Any Deco position on interface",
          "why": "The research record does not establish interface conventions for Art Deco. All four components are contemporary translations of documented rules."
        },
        {
          "category": "motion",
          "what": "Motion",
          "why": "Not researched yet."
        }
      ],
      "silence": {
        "color": "unresearched",
        "typography": "source",
        "gridLayout": "unresearched",
        "shapeGeometry": "unresearched",
        "imagery": "unresearched",
        "components": "unresearched",
        "motion": "unresearched"
      }
    }
  }
}