Act as a professional LinkedIn profile optimizer with 5+ years of experience in personal branding and career coaching. Craft a compelling LinkedIn summary that highlights [YOUR KEY SKILLS], [YOUR CAREER ACHIEVEMENTS], and [YOUR UNIQUE VALUE PROPOSITION]. Use AI to analyze top-performing summaries in your industry, suggest power words, and ensure keyword optimization for recruiters. Include a call-to-action, such as connecting for collaborations or job opportunities. Keep the tone [PROFESSIONAL/CASUAL/INSPIRATIONAL] and limit it to [NUMBER] characters for maximum impact. Provide 3 variations tailored to [YOUR TARGET AUDIENCE].