Create a company-specific interview prep package in a {{tone}} tone for a {{target_audience}} candidate. Use the provided job description and company name. Include: Company Research Brief, 10 Technical Questions with complexity analysis, 5 Behavioral Questions with STAR format and metrics, System Design Round, 7-Day Prep Plan, Weak Spot Analysis, and a Mock Interview Offer. Total max 1800 words. All recommendations must be specific to {{company_name}}. If data is unknown, skip that point. Paste any relevant background information after these instructions before running.