redesign the fa ade of this existing mid century four story office building located at a street intersection keep the general shape and window layout but completely modernize the appearance goals transform the exterior into a contemporary high end commercial look suitable for creative offices or a technology hub add architectural accents such as vertical fins aluminum composite panels or architectural concrete elements include new fa ade lighting subtle led strips and a refreshed entrance canopy use a color palette of anthracite grey white and natural wood or warm metallic tones add greenery vertical garden panels or planters near the entrance optional glass fa ade upgrade on the corner section minimalist signage output style photorealistic daylight render 4k resolution perspective similar to uploaded image