Art Nouveau boathouse, ornate wooden structure, curved lines, flowing organic shapes, stained glass windows, iridescent blues, emerald greens, warm golden yellows, rich crimson reds, soft creams, luxurious velvet textures, intricate metalwork details, lush aquatic plants, serene lake waters, misty morning atmosphere, warm soft lighting, shallow depth of field, 1/2 composition, intimate close-up shots, realistic wood grain textures, subtle water reflections.