Write a content brief in a {{tone}} tone for {{target_audience}} in the {{industry}} industry. The goal is {{goal}}. Structure the brief with Overview, Search Intent Analysis, Audience Profile, Detailed Outline, Content Requirements, SEO Checklist, and Quality Criteria. Include working titles, keywords, audience insights, outline with at least 6 H2 sections, unique angle, visuals, expert quotes, SEO metadata, and quality checks. Keep under 1800 words. Use plain language suitable for {{target_audience}} with no prior UI/UX knowledge. Skip any section if information is unknown.