create a modern interior featuring a floating staircase with wooden steps and thin black metal supports the atmosphere should be minimalist and airy the staircase is illuminated by natural light streaming through large windows casting soft shadows on the polished concrete floor adjacent to the staircase place a light wood planter with green leafy plants adding a touch of nature include a sleek black metal shelving unit on the right with neatly arranged books and decor use a soft neutral color palette of whites greys and natural wood tones to maintain a serene and elegant ambiance put a baground of sky and some grass with trees