Art Nouveau architecture, ornate metalwork, flowing organic lines, vibrant turquoise, rich emerald green, warm golden bronze, soft blush pink, iridescent mother of pearl, luminous opaline glass, intricate florid patterns, sensual curvilinear forms, whimsical botanical motifs, luxurious velvet textures, dramatic chiaroscuro lighting, 1/2 composition, soft focus, dreamy atmosphere.