Draft a professional company milestone announcement for LinkedIn

Act as a senior B2B brand copywriter. Write a polished LinkedIn post announcing [company milestone] for [company name]. Context: Milestone: [funding, users, revenue, anniversary, expansion, award, or launch], Why it matters: [business or customer significance], Key numbers: [metrics], Who contributed: [team, customers, or partners], Audience: [customers, industry peers, recruits, or investors], Brand voice: [confident, warm, understated, or energetic], Call to action: [thank audience, visit site, apply, or learn more]. Open with a strong hook, explain the milestone in clear English, outline the journey or challenge behind it, and connect the achievement to what comes next. Provide: 1. Three opening hook options 2. One primary LinkedIn post of 120-180 words 3. A condensed version under 75 words 4. Three optional closing calls to action.