{
  "high_level_description": "A launch poster for [product] announcing '[headline]'.",
  "style_description": {
    "aesthetics": "[mood words, e.g. bold, optimistic, clean]",
    "lighting": "soft studio light",
    "medium": "graphic design",
    "art_style": "flat vector shapes with subtle grain, modern sans-serif typography",
    "color_palette": ["#[hex1]", "#[hex2]", "#[hex3]", "#FFFFFF"]
  },
  "compositional_deconstruction": {
    "background": "[background description]",
    "elements": [
      {"type": "text", "bbox": [60, 60, 240, 940], "text": "[HEADLINE]", "desc": "Huge bold sans-serif headline, white."},
      {"type": "obj", "bbox": [280, 150, 760, 850], "desc": "[hero illustration of the product]"},
      {"type": "text", "bbox": [800, 100, 880, 900], "text": "[subline]", "desc": "Medium sans-serif, centered."},
      {"type": "text", "bbox": [900, 300, 960, 700], "text": "[URL]", "desc": "Small text, centered."}
    ]
  }
}