transform the white 3d hotel lobby into a modern elegant and luxurious interior rooted firmly in contemporary architecture while drawing quiet discipline from the historic exterior through proportion rhythm and material continuity not classical styling architecture wall treatment all walls and columns follow a strict vertical hierarchy the lower two thirds of all walls and columns are clad in walnut toned wood veneer expressed as large calm architectural planes with a rich warm color visible grain and subtle depth the upper third remains a smooth mineral plaster matte warm toned and restrained within each arch the wood veneer continues inside the arch opening as a clean architectural casing emphasizing thickness and depth while remaining contemporary and abstracted arches are treated as pure geometry not decorative elements floor stair critical the floor and the staircase are clad in the same stone the stone is a warm beige to neutral marble refined and elegant with a soft honed to lightly polished finish no wood on the stair the stone surface is visually intricate yet restrained with fine veining and subtle mineral variation the slab layout is bespoke and deliberately designed not repetitive large slabs are carefully sized cut and placed to respond to columns arches stair edges and axial geometry joints and veining are intentionally aligned to reinforce symmetry procession and architectural hierarchy the stone feels heavy architectural and luxurious with natural variation and no visible green veining staircase railing the staircase remains a ceremonial architectural anchor introduce a wrought iron railing in brass placed exclusively on the stairwell side only no railing on the wall side the railing references beaux arts rhythm and craftsmanship with two balusters per stair tread evenly spaced the design is slightly ornamental elegant and refined but never heavy or overly decorative profiles are medium thickness crafted warm and luxurious clearly legible against the stone stair materials palette wood veneer walnut toned warm matte tactile refined stone warm beige elegant architecturally composed metal brass only warm and luminous used exclusively for the stair railing materials feel crafted permanent and sophisticated contributing to a sense of established luxury atmosphere composition the atmosphere is warm cinematic refined and luxurious light is soft ambient and indirect emphasizing material richness shadow depth and architectural calm the space feels intimate yet monumental confident elegant and composed strict exclusions no visible light fixtures no furniture no windows or exterior openings the interior is a pure architectural volume defined only by proportion material and atmosphere render style photorealistic architectural visualization with warm cinematic lighting soft contrast and high material fidelity focus on depth texture and refined luxury avoiding minimalism or classical ornament the final render should feel timeless modern and quietly opulent
