Cyanotype Silhouette Family Father's Day Poster

Full prompt

Father's Day celebration poster steeped in a nostalgic blue mood, featuring a monochromatic cyanotype and watercolor wash aesthetic in 9:16 vertical orientation. The background displays a hazy domestic setting with gridded window frames, gentle tree silhouettes, and laundry hanging on a clothesline. Center-stage is a soft indigo silhouette of a family of three—parents holding their child's hands while walking together. Elegant typography at the top reads 'He is the very first hero in my ordinary life' followed by 'Wishing all fathers peace, smooth paths, and everlasting smiles', with subtle text 'ETERNAL LAKESIDE' near the header and '2026.06.21' at the bottom. A serene, gradient-lit composition expressing tranquil nostalgia and quiet, steadfast parental love.