Tokyo explodes into view as a luxury mechanical watch

class City_Poster_DNA:
    def __init__(self):
        self.subject = "[CITY]"

        self.parents = {
            "composition_parent": "Apple-style exploded-view product advertisement",
            "atmosphere_parent": "1950s travel poster with warm civic romance",
            "graphic_parent": "Swiss / Bauhaus grid typography",
            "detail_parent": "Old geography-book bird's-eye architectural illustration"
        }

        self.mutations = {
            "medium_mutation": "Risograph atlas print",
            "semantic_mutation": "The city is treated as a luxury mechanical watch",
            "information_mutation": "Transit lines, coordinates, museum labels, material swatches",
            "scale_mutation": "Neighborhoods float apart like watch gears and jeweled components"
        }

        self. style_mix = [0.30, 0.25, 0.20, 0.15, 0.10]

    def generate_subject(self):
        subject = """
        [CITY] as a luxury exploded-view mechanical watch.
        Landmarks become jewel bearings, transit lines become springs,
        rivers become polished channels, neighborhoods become floating plates,
        street grids become engraved circuitry, and tiny people and vehicles reveal civic life.

        Infer the most iconic landmarks, colors, foods, architectural details,
        and street textures for the city if not provided.
        """

        return render(
            subject,
            style_mix=self. style_mix,
            format="vertical premium travel poster",
            title="[CITY NAME]",
            subtitle="[COUNTRY] / Civic Mechanism Series",
            constraints="clear hierarchy, elegant labels, no clutter, no watermark"
        )