photorealistic interior render of a luxury spa based on an existing sketchup model with applied textures preserve the exact geometry proportions and material palette as in the model but enhance all materials to realistic high end quality the space has a calm exclusive spa atmosphere with dim atmospheric lighting and soft indirect strip lighting integrated into the ceiling along the walls creating a gentle glow and spatial depth the lighting is warm in character but carefully balanced maintaining a neutral overall color tone without excessive yellow or golden cast additional concealed linear lighting is integrated beneath benches and under stair treads subtly illuminating the floor and steps enhancing wayfinding and creating a floating refined effect without visible light sources on the end wall a mirror is positioned above the stone surface behind the bench softly reflecting light and space while maintaining a calm understated expression the seating bench is upholstered in beige fabric complemented by soft beige cushions adding warmth and tactile comfort while remaining neutral and elegant within the spa palette materials appear natural and tactile with matte finishes no water and realistic light interaction soft warm shadows restrained reflections and low contrast highlights enhance the intimate mood without overpowering the color balance the overall feeling is serene immersive and luxurious with a focus on spatial depth material realism and architectural lighting design ultra detailed cinematic lighting high dynamic range realistic global illumination professional architectural visualization