This Art Nouveau peacock birthday invitation opens like a gilded salon window: deep navy glass, emerald plumage, amethyst blooms, and embossed gold leading around a jewel-tone stained-glass frame. Two peacocks perch in arched panes while flowing gowns and climbing florals frame a monumental gold age numeral and a scripted honoree name—built for a refined fourth birthday or any milestone that wants Belle Époque drama without cartoon noise. Shoppers searching for an art nouveau birthday invitation or stained glass party invitation will recognize the hand-painted gold filigree, peacock-teal accents, and ornate border work that make this design feel like a private gallery piece rather than a generic digital card. The gilded gold birthday card treatment carries into the guest page with frosted navy panels, a foil-rimmed hero frame, and a seal-and-ticket RSVP climax that keeps replies response-neutral. Personalize the date, venue, dress note, and host message, then share one RSVP link that collects yes, no, or maybe replies in a single elegant flow hosts can track without chasing texts. Pair the page with candlelight, soft string music, and jewel-tone table accents; guests arrive already immersed in the stained-glass mood before they confirm attendance. Use it for salon-style celebrations, formal kids milestones, or any evening that deserves peacock plumage and metallic lettering instead of balloons and primary colors.