modular curved sectional warm neutral beige grey tone pantone 16 1305 ral 1019 range preserve the exact original geometry silhouette cushion divisions seam lines contour scale and camera angle keep the same dramatic studio lighting setup deep black seamless background soft directional key light from upper left gentle rim highlights along the top of the backrest defined soft shadows beneath cushions and around the base plinth photorealistic product photography high end furniture catalog sharp focus 8k