sustainable design exterior shot create a digital rendering of an apartment building with five floors the bottom floor to be half below grade the architectural style is a blend of rustic modernism and catalan minimalism using passive house sustainable practices the facade features a mix of ancient villa ledgstone light red brick light wood hardie board horizontal siding and grey acm panels the windows are large and framed in black with reflective blue glass the garage door have the same features as the windows the balcony railings are sleek modern black metal the ground floor includes a stone facade in varying shades of gray set the scene in a bright afternoon with sunlight casting soft shadows for a warm and inviting atmosphere add lush green trees and shrubs around the building for a touch of nature architecture