Photorealistic cinematic fashion photography, a stunning woman with 1920s finger-wave curls and elegant makeup leaning against a grand Art Deco staircase, wearing a high-fashion floor-length royal blue sequined gown with intricate fringe detailing and shimmering textures, opulent Art Deco interior featuring geometric gold filigree and cream marble walls, a large stylized leaded glass window in the background, symmetrical architectural composition, ornate torchère lamps with frosted glass geometric shades casting a warm ambient glow, low angle shot emphasizing the sweeping curve of the staircase, soft diffused daylight filtering through the window contrasting with warm interior golden light, Kodak Portra 400 film stock, 35mm lens, f/2.8 aperture, deep depth of field, rich saturated blues against warm cream and gold tones, polished marble flooring with sharp mirror-like reflections, luxurious and sophisticated mood, intricate embroidery and sequin patterns on the fabric, architectural precision, influence of Tamara de Lempicka and Great Gatsby aesthetic, soft shadows and high-end editorial color grading, refined skin textures and shimmering metallic accents.