transform an unfinished raw construction interior into a high quality contemporary residential space strictly preserve the original staircase geometry railing and all existing wooden structural elements without any modification or reinterpretation position a modern freestanding wood burning stove in front of the staircase placed closer to the viewer and clearly detached from the rear part of the stair volume the stove should reference minimalist scandinavian design similar to j tul with a clean black steel finish the chimney must rise vertically without intersecting or passing through the staircase in any way remove all temporary protective fabrics from the stair treads completely add contemporary suspended pendant lighting minimal and architectural with warm but controlled light no decorative or rustic fixtures under the staircase design a single continuous built in bookshelf one cohesive volume not fragmented integrated precisely into the space with subtle ambient backlighting or under shelf lighting to enhance depth and intimacy place a distinctive modern designer lounge chair beneath the staircase sculptural contemporary premium design no classic retro or rustic forms floor finish seamless poured epoxy resin floor in a soft beige grey tone matte or satin clean and minimal overall interior language modern fresh original architectural avoiding any archaic rustic or traditional expressions the space should clearly reflect a contemporary timber frame family house through material honesty precision and lightness not nostalgia lighting balanced natural daylight combined with refined warm artificial lighting creating a representative high end architectural visualization style references contemporary european residential architecture modern scandinavian minimalism restrained material palette calm yet confident atmosphere high realism architectural visualization quality clean composition soft shadows natural proportions