photorealistic architectural rendering of a contemporary australian country house enhancing the existing lumion base image while strictly retaining the existing architecture geometry openings pergolas driveway and landscape layout use neutral natural daylight with a slightly cool white balance avoid golden hour colouring orange light yellow cast or overly warm materials the front fa ade should still receive direct sunlight at an oblique angle but the light should feel like clear mid morning or late afternoon daylight rather than sunset keep shadows soft and realistic refine materiality without altering the design pale off white brickwork with subtle natural texture light matte metal roofing with restrained reflectivity timber battens and pergolas in a very light desaturated timber tone close in value to the exterior brickwork the battens should read as light timber not honey orange or dark brown glazing with realistic reflections and slight interior transparency stone and paving with subtle tonal variation landscape is critical retain the existing planting arrangement and do not redesign it keep all shrubs and trees at realistic scale and density planting should feel like a restrained believable australian residential landscape with natural irregularity variation in foliage density and realistic leaf texture keep the existing background vegetation but make it more photographic and less generated looking avoid repetitive tree forms overly dense foliage exaggerated greenness or blurred masses of vegetation interior lighting should be extremely subtle or absent during daylight do not add furniture or new interior elements overall aesthetic neutral calm crisp and highly realistic architectural photography natural australian daylight restrained colour palette realistic vegetation and subtle atmospheric depth avoid golden hour warmth cinematic orange grading excessive bloom hdr dramatic contrast oversaturation fantasy landscaping or stylisation