UI Reasoning: Music Instrument Learning. Recommended Pattern: Interactive Product Demo + Social Proof. Style Priority: Vibrant & Block-based + Motion-Driven. Color Mood: Musical warm deep red/brown + note color system + skill progress bar. Typography Mood: Energetic + Bold + Large. Key Effects: Scroll animations + Parallax + Page transitions. Decision Rules: {"if_trust_needed": "add-testimonials"}. Anti-Patterns: Muted colors + Low energy. Severity: HIGH.