convert this floor plan into a minimal architectural presentation plan not a photorealistic rendering maintain the exact geometry wall thicknesses openings and layout from the original drawing do not change room sizes or wall positions style requirements non photorealistic architectural diagram clean black linework white background very subtle flat colour fills no textures or realistic materials visual treatment interior floors very light warm beige fill exterior courtyard light neutral grey pool water soft desaturated blue timber deck flat light tan colour no wood grain texture landscaping pale green fill lighting no dramatic lighting no realistic shadows only subtle wall shadow for depth furniture minimal schematic furniture only architectural diagram style important avoid photorealism avoid textures avoid real estate rendering style keep the drawing clean flat and suitable for an architectural presentation board