use the input lobby staircase image as the guide preserve the original lobby layout staircase position wall positions cabinet location ceiling height openings and circulation exactly do not distort or alter the layout create a dark modern office lobby with a quiet luxury atmosphere the design should feel classy calm understated elegant and premium with a sophisticated hotel inspired mood use a dark warm neutral palette with deep taupe mushroom grey charcoal greige dark walnut muted bronze warm stone smoked travertine and soft beige grey accents the overall mood should feel serene moody warm and timeless do not use fluted panels use simple and elegant wall cladding with large format stone or travertine look panels smooth textured wall finishes clean architectural panel lines soft shadow gaps and minimal bronze detailing keep the wall design calm restrained and luxurious make the company signage the key feature above the cabinet console area use elegant 3d cut out lettering with the company name br metal with soft warm backlighting integrated subtly into the feature wall the signage should feel premium modern and understated use a simple refined console cabinet in dark walnut veneer with a thin travertine or stone countertop styling should be minimal and tasteful with only a few curated accessories or a planter the staircase should blend naturally with the lobby using matching warm dark stone or travertine look finishes a slim bronze handrail and clean minimalist detailing the staircase should feel seamless and elegant lighting should be layered and subtle use concealed cove lighting recessed linear ceiling lights soft spotlights hidden wall wash lighting and balanced 4000k lighting temperature the lighting should create a soft dark modern luxury atmosphere and highlight the materials gently the final result should feel like a calm high end hotel lobby with modern dark minimal elegance use realistic materials realistic shadows balanced lighting and photorealistic high end commercial interior rendering style avoid fluted panels avoid heavy decorative styling avoid overly corporate coldness avoid clutter avoid bright flashy design avoid changing the staircase layout avoid changing cabinet position and avoid layout distortion
