The Dreaming Clockmaker's Floating Lily Conservatory – Retro Art Nouveau

Create a standalone vertical surreal fantasy illustration in a distinctly Retro Art Nouveau visual style, portrait orientation, 2:3 aspect ratio, approximately 1024x1536 pixels. Inside a tall antique glass conservatory suspended in a misty, undefined dreamscape, a single enormous mechanical water lily floats gently above a perfectly still circular reflecting pool. The lily has overlapping ivory enamel petals edged with aged brass, delicate copper filigree veins, a small luminous amber dew sphere resting at its center, and slender exposed clockwork components discreetly integrated beneath the petals. Three narrow curved brass supports descend from the floating flower toward the water without touching its surface. Behind the lily, an immense crescent-shaped stained-glass window occupies the upper portion of the conservatory, filled with translucent muted jade, pale honey, and dusty turquoise glass. Slender iron ribs sweep upward into organic whiplash curves, while decorative trailing vines follow the architecture without obscuring the central flower. Beyond the glass, soft lavender-gray mist suggests an impossible sky with no identifiable landscape. The reflecting pool mirrors the golden glow of the suspended lily and the elegant crescent window. Eye-level composition with an approximately 50mm lens perspective, centrally balanced vertical framing, the complete lily clearly visible, graceful negative space around the upper crescent, and restrained decorative symmetry. Authentic early twentieth-century Art Nouveau poster aesthetics expressed through flowing botanical contours, handcrafted lithographic color separation, fine engraved outlines, subtly flattened tonal modeling, delicate paper grain, faded mineral pigments, aged metallic patina, and gentle amber illumination. Colors emphasize antique gold, warm ivory, oxidized copper, misty sage, muted turquoise, and dusty mauve. Quiet, mysterious, poetic atmosphere; sophisticated ornamental composition; one continuous scene, no additional flowers competing with the principal mechanical lily. Crisp ornamental detail with naturally softened distant glass and mist. No text, lettering, numbers, symbols resembling typography, logos, branding, or watermarks.