Digital Ad Banner Set

Design a digital advertising banner set for {{BRAND_NAME}} promoting {{CAMPAIGN_MESSAGE}}. Standard IAB sizes: 300x250 (medium rectangle), 728x90 (leaderboard), 160x600 (wide skyscraper), 320x50 (mobile leaderboard), 300x600 (half page). Brand colors: {{BRAND_COLORS}}. Include in each: brand logo, headline "{{HEADLINE}}", supporting copy (brief), strong CTA button "{{CTA_TEXT}}", product/visual element {{VISUAL_ELEMENT}}. Style: {{DESIGN_STYLE}} - attention-grabbing, click-worthy, on-brand. Show all sizes in a unified presentation demonstrating design adaptation across formats. Consider: animation frames if applicable, clear visual hierarchy at each size.