redesign the vestibule interior to match the style shown in the reference images create a modern contemporary space with subtle industrial elegance using a dark and minimalist material palette use a smooth dark ceiling with integrated linear recessed lighting and black slatted ceiling details cover the walls with full height natural wood cladding combined with black vertical panels and matte black architectural elements replace the existing radiator with a modern vertical black radiator integrated into the architectural composition replace the current 30x30 cm floor tiles with much larger 120x120 cm gray porcelain tiles arranged in a straight parallel layout not diagonal carpet caro pattern the flooring should create a seamless elegant and premium appearance finish the edges nosings of the stairs in black to create a sharper more modern architectural look and better visual contrast with the gray steps design modern minimalist balustrades using black metal and glass keep the existing layout staircase doors elevator position and glazing unchanged add elegant black planters with greenery to soften the space and create a refined contemporary atmosphere the final design should feel cohesive luxurious architectural and photorealistic
