Grand staircase, ornate metal railings, flowing organic curves, vibrant colored glass mosaics, decorative lanterns, elegant chandeliers, pendant lights with floral motifs, warm golden lighting, soft diffused illumination, cozy reading nooks, stained glass ceiling panels, intricate wooden paneling, ornate plasterwork, lush greenery, natural stone flooring, eclectic mix of patterns and textures, playful use of materials, whimsical Art Nouveau details, majestic high ceilings, dramatic archways, elegant curved lines, ornate metal sconces, decorative wall brackets, soft warm ambiance.