Bold 3D BF Letters on Dark Red Stage

[Format] Professional Black Friday e-commerce sale poster, vertical 9:16, bold minimalist red style with monumental 3D letterforms on a dark red stage. [Colors] Deep red background with darker red panels and streaking light trails; the centerpiece letters in cream-to-gold gradient 3D with a soft glow; headline in white with red accents; a champagne-gold pill; small white caps footer. No frame border. [Layout] Top zone: a two-line headline at left with an italic "BIG SALE" at the right; a gold-outlined coupon pill and a date line beneath; the lower two-thirds is an open dark-red stage where two colossal 3D letters stand like architecture with a glowing sphere at their base; a thin letterspaced strip runs along the bottom. [Subject] No people. Giant "BF" letterforms in glossy cream-gold 3D, standing on a reflective dark-red floor with light streaks sweeping past and a small glowing orb between the letters. [Headline] White heavy caps: "BLACK FRIDAY MEGA SALE" with "Deals Up Early" beneath; italic "BIG SALE" top-right; gold pill "Storewide $50 Off Every $300"; small line "Sale Dates: Nov 24 - Dec 1"; bottom strip "Hot Picks — Huge Value — Limited Time". [Mood] Grand, minimal and monumental; museum-scale 3D letters giving the discount message quiet power.