Flash Sale / Promo Countdown 9:16

Example storyboard this builds (12s · music: urgent, driving beat):

1. [0s–2s · intro] SoapBox FLASH SALE
2. [2s–5s · body] 40% off everything
3. [5s–7s · caption] Code: HATHOR40
4. [7s–9s · body] Ends tonight only
5. [9s–12s · cta] shop now