{
  "objective": "Create a split architectural visualization: the top half is a dark-themed luxury blueprint of a single-story house, the bottom half is a photorealistic render of the SAME house, structurally identical to the blueprint",
  "aspect_ratio": "3:4",
  "composition": {
    "layout": "vertical split, blueprint on top (about 50%), photorealistic render on bottom (about 50%)",
    "alignment": "same left-right orientation in both halves: garage on the left, porch at the front center, pool behind the house"
  },
  "top_section": {
    "type": "architectural floor plan, top-down view",
    "visual_style": {
      "background": "deep navy / charcoal blue",
      "lines": "thin glowing beige/gold lines",
      "walls": "slightly extruded 3D effect with soft drop shadow",
      "labels": "clean modern uppercase sans-serif, centered in each room",
      "lighting": "soft ambient glow"
    },
    "layout": {
      "overall": "single-story house. Large central open-plan zone flanked by two columns of bedrooms. Garage attached on the far left. Pool in the backyard at the top.",
      "central_zone": {
        "top": "KITCHEN & DINING: kitchen counter along the left wall with an island, dining table with 6 chairs on the right side",
        "bottom": "LIVING ROOM: sofa, loveseat and coffee table",
        "front": "FRONT PORCH below the living room, entrance door aligned with the living room, small steps at the front"
      },
      "left_column_top_to_bottom": [
        "BEDROOM 2 (top-left, bed, closet)",
        "BATH 2 (middle, shower, toilet, sink)",
        "BEDROOM 3 (bottom-left, bed)"
      ],
      "right_column_top_to_bottom": [
        "MASTER BEDROOM (top-right, bed) with ensuite BATH 1 (tub, toilet, sink)",
        "BEDROOM 4 (bottom-right, bed)"
      ],
      "garage": "far left, lower than the main house, wide garage door facing front (dashed line), internal door connecting to the house near the Bath 2 / Bedroom 2 corridor",
      "backyard": "BACKYARD POOL & DECK: rectangular pool with deck, two sun loungers and a small round table, positioned behind the house above the kitchen and master bedroom side"
    },
    "details": [
      "furniture outlines (beds, sofas, dining table, kitchen island)",
      "door swing arcs",
      "window openings",
      "dashed lines for garage door and porch edge",
      "exact proportions and spacing"
    ]
  },
  "bottom_section": {
    "type": "photorealistic exterior architectural render",
    "constraint": "MUST MATCH THE BLUEPRINT: same volumes, same positions, no added, removed or shifted parts",
    "architecture": {
      "style": "contemporary minimalist single-story house with flat layered roofs",
      "massing": {
        "center": "main living volume with the tallest roof: a thin cantilevered concrete slab overhanging slightly, with a recessed darker band beneath it",
        "left": "lower garage wing with a flat roof and thin parapet",
        "right": "lower bedroom wing with a flat roof and thin parapet, stepping forward slightly from the center volume"
      },
      "materials": [
        "smooth light-gray concrete walls",
        "warm vertical wood slat panels as accent strips beside the glass doors",
        "floor-to-ceiling sliding glass doors with thin dark frames and sheer white curtains",
        "dark charcoal horizontal-panel garage door"
      ]
    },
    "facade_layout_left_to_right": [
      "garage: wide dark charcoal door facing the viewer, small wall light on its left",
      "left bedroom wing: sliding glass door with sheer curtain and a wood slat panel on its right",
      "center living volume: large glass wall showing the open living and dining area, slightly raised concrete porch in front",
      "right bedroom wing: sliding glass door with sheer curtain and a wood slat panel on its left"
    ],
    "front_porch": {
      "form": "raised light concrete terrace spanning the center glass wall",
      "details": [
        "two shallow steps at the front center",
        "two white outdoor armchairs",
        "a small round coffee table between them"
      ]
    },
    "backyard": {
      "position": "behind the house, visible above the roofline, offset slightly to the right",
      "pool": "rectangular pool with turquoise water and thin stone coping",
      "deck": "warm wood deck around the pool, wider on the right side",
      "furniture": "two white sun loungers on the right side of the deck"
    },
    "environment": {
      "setting": "quiet suburban plot",
      "ground": [
        "lush manicured green lawn",
        "wide light concrete-slab driveway leading to the garage",
        "concrete-slab walkway connecting the driveway to the porch steps"
      ],
      "landscaping": [
        "minimal planting beds along the front facade with agave, ornamental grasses and small palms",
        "river-stone mulch in the beds",
        "tree line and hedges along the plot edges, softly blurred"
      ]
    },
    "lighting": {
      "time": "golden hour",
      "style": "soft warm side sunlight, long soft shadows across the lawn",
      "interior": "subtle warm glow visible through the glass"
    },
    "camera": {
      "angle": "elevated front 3/4 view, slightly above eye level, showing the full facade, the garage and the pool behind",
      "lens": "35mm architectural lens, minimal distortion, vertical lines kept straight",
      "depth_of_field": "deep focus on the house, background hedges slightly soft"
    }
  },
  "consistency_rules": [
    "room positions identical between blueprint and render",
    "garage on the far left and lower than the main house in both halves",
    "porch at the center front, aligned with the living room, in both halves",
    "pool behind the house, never in front, with the same size and position as in the plan",
    "all doors and windows align logically with room positions"
  ],
  "style": {
    "top": "dark premium architectural visualization",
    "bottom": "photorealistic high-end architectural render",
    "overall": "clean, high-end architectural presentation"
  },
  "negative_constraints": [
    "no extra rooms, wings or structures",
    "no mismatch between plan and render",
    "no text or labels on the render half",
    "no people",
    "no cars in the driveway",
    "no fantasy elements",
    "no unrealistic proportions",
    "no cluttered environment"
  ]
}