generate a hyper realistic architectural visualization of a modern sauna maintaining exact geometric proportions window arrangement structural elements and color finishes from the reference sketch key requirements precision preservation material fidelity siding matte dark finish with subtle wood grain texture roof true black grey ruberoid no reflectivity timber elements unstained douglas fir with visible growth rings controlled environment surround with dense mixed forest 70 evergreen 30 birch golden hour sunlight at 15 elevation beam angles parallel to reference image shadows dappled light intensity 20 brightness variation sky clear blue hex 87ceeb with 0 5 cloud cover technical execution orthographic camera zero perspective distortion 8k resolution with v ray level texture detailing micro details individual board and batten nail heads patina variation on bronze siding 5 value 1 1 replicated grass species from reference prohibited deviations no alterations to roofline geometry no color shifts in finishes no added removed structural elements
