non negotiable rule geometry must be 100 identical do not change move resize distort add remove or reinterpret any architectural element this includes building massing roof forms walls openings windows doors frames railings balconies canopies proportions setbacks site layout levels stairs and edges the architecture must remain exactly the same as the reference image allowed changes rendering only lighting shadows materials textures reflections realistic surface finishes atmospheric effects landscape elements minimal and contextual only style mood clean calm scandinavian exterior aesthetic white or off white fa ades light oak birch wood accents soft gray warm neutral tones matte finishes natural textures minimal elegant uncluttered composition