modern interior shot render a modern staircase with a concrete wall the stairs should be warm oak wood with a polished finish and light tan undertones the metal railing should be a sleek matte black with geometric patterns complemented by a dark walnut wood handrail the concrete wall and floor should be a smooth light grey with a slightly textured surface ensure ample natural light floods the scene to create a bright inviting atmosphere the overall ambiance should exude contemporary elegance and simplicity architecture
