Summary：We need to produce a professional original news article 300-500 words, SEO optimized, human-like, no

We need to produce a professional original news article 300-500 words, SEO optimized, human-like, no AI style, clear structure, with analysis, unique wording. Title: "Russia's Su-57 Jet Deal with India Leaves Pakistan Stunned". Provide sections: Introduction, Key Developments, Industry Analysis, Future Outlook, Conclusion. Must be SEO optimized: include relevant keywords naturally: Russia, Su-57, India, Pakistan, defense deal, fighter jet, aerospace, etc. Also include a summary? The prompt includes a summary with a link but we don't need to output that? It says "Structure: ..." It only the SEO-optimized content." So we output the article with sections headings. No extra commentary. Ensure 300-500 words. Let's target about 380-420 words.

We must avoid AI style: write like human journalist, varied sentences, some colloquial but professional. Avoid typical AI markers. Use active voice. Provide analysis.

Let's draft.

Word count: aim ~380.

We'll include headings: Introduction, Key Developments, Industry Analysis, Future Outlook, Conclusion.

Let's write.

Check word count manually.

Draft:

Introduction (approx 70 words):
"Russia’s decision to offer its fifth‑generation Su‑57 fighter to India has sent ripples through South Asian defence circles, catching Islamabad off guard. The move, announced during a bilateral defence expo in Moscow, marks the first concrete step toward a potential export of the stealth jet beyond Russian borders. Analysts say the deal could reshape the regional balance of air power, prompting New Delhi to modernise its fleet while raising fresh security concerns in Pakistan."

Count words: Let's count.

Russia’s(1) decision2 to3 offer4 its5 sixth? Actually "fifth‑generation" counts as one? We'll count roughly.

Better to count later.

Key Developments (approx 80 words):
"The proposal includes a batch of twelve Su‑57s, equipped with the latest AL‑41F1S engines and an integrated avionics suite designed for network‑centric warfare. Indian officials confirmed that negotiations are underway for a technology‑transfer package that would allow domestic production of key components under the ‘Make in India’ initiative. Russian representatives highlighted the jet’s supercruise capability and low‑observable design as selling points, while stressing that delivery timelines could begin as early as 2026, contingent on finalising financing and export licences."

Industry Analysis (approx 90 words):
"Defense experts note that the Su‑57’s entry into the Indian market would challenge the dominance of Western platforms such as the F‑35 and the indigenous HAL Tejas MkII. For Russia, the deal offers a much‑needed foothold in a growing Asian market amid sanctions that have limited its traditional European customers. Pakistan’s reaction, described by officials as ‘stunned’, reflects anxiety over a potential qualitative edge for India, especially given Islamabad’s reliance on Chinese JF‑17s and aging Mirage fleets. The move could trigger a new arms race in the subcontinent, pushing both neighbours to accelerate upgrades."

Future Outlook (approx 80 words):
"Looking ahead, the success of the Su‑57 pitch will hinge