architectural design, stair calculator, landing, precise measurements, wooden texture, metal railings, modern style, structural integrity, indoor setting, ambient lighting, 3/4 view, detailed construction, realistic materials, oak steps, frosted glass panels, steel balusters, mid-stair landing, ergonomic rise and run, safety compliance, building codes, soft shadows, high-resolution textures, technical drawing overlay, accurate scale, functional layout, efficient space usage, natural light, open concept, minimalist decor.