UI Reasoning: Video Streaming/OTT. Recommended Pattern: Hero-Centric + Feature-Rich. Style Priority: Dark Mode (OLED) + Motion-Driven. Color Mood: Dark bg + Poster colors + Brand accent. Typography Mood: Bold + Engaging typography. Key Effects: Video player animations + Content carousel (parallax). Decision Rules: {"must_have": "continue-watching", "if_personalized": "add-recommendations"}. Anti-Patterns: Static layout + Slow video player. Severity: HIGH.