A luxurious interior finishing design for a modern duplex apartment at L'avenir Compound in New Cairo. The centerpiece of the lower level is a floating staircase finished with dark Nero Marquina marble treads, subtle LED step lights, and a glass balustrade anchored over a multi-tiered marble platform. High-gloss polished porcelain flooring reflects natural light throughout the open reception hall, complemented by warm vertical wood slat wall paneling, brass-framed arched interior doors, recessed linear track lighting, and hidden cove lighting integrated into the ceiling profiles.