Eid Mubarak high-end post

Eid Mubarak high-end poster, graphic design masterwork, inspired by Josef Albers' color theory, grid-based layout (3×3 grid, asymmetric balance), core elements: modular Islamic geometric shapes (interlocking octagons + diamonds) + glowing star constellation, color scheme: jet black + coral pink + pale gold, typography: "عيد مبارك" (bold Arabic font, centered in upper grid) + English text (condensed sans-serif, bottom grid, reverse color), hard-edge shadows + subtle gradient, glossy finish with matte accents, 16:9 ratio, modern and striking presence