Create a new original English storewide sale poster with elegant oversized serif typography.
Style: premium fashion editorial graphic with soft geometric waves and subtle paper grain.
Layout: square composition with a centered headline, discount, channel line, and compact call to action.
Main text: "EVERYTHING 25% OFF", "ONLINE & IN STORE", "SHOP TODAY".
Language: English only; keep every phrase correctly spelled.
Design changes: use powder blue, deep burgundy, peach, and warm ivory with overlapping arches.
Background: layered abstract square background with calm balanced spacing.
Remove: watermark, brand logo, QR code, website, author mark, disclaimer text, and fine print.
Avoid: exact copying, original colors, random tiny text, misspelled text, and copyrighted brand elements.
