A 3d rendering of a modern, luxurious lobby with a grand staircase. the interior of the building is well-lit with natural light coming from the large chandelier hanging from the ceiling. the floor is made of perforated concrete with a speckled pattern, and the walls are made of light-colored stone. the staircase has a gold handrail and leads to the second floor. on the center of the image, there is a large, beige sofa with white cushions, a matching armchair, and a small side table. the sofa is positioned in the middle of the room, with the armchair on the left side and the side table on the right side. the room is decorated with gold accents, and there are several potted plants scattered around, adding a touch of greenery to the space. the overall atmosphere of the space is elegant and inviting, with a sense of luxury and sophistication.