SEO schema cleanup + blog index update

Removed 42 deprecated/restricted schema blocks across 21 files:
- FAQPage removed from all commercial pages (restricted Aug 2023)
- HowTo removed from all pages (rich results removed Sep 2023)
- Compliance guide: author type fixed Organization->Person

Blog index:
- New article cards: ai-web-scraping-2026, web-scraping-lead-generation-uk
- Stats updated: 55+ articles -> 57+, 2025 Content -> 2026 Content
- Featured article date updated to March 2026
- Blog schema updated with new BlogPosting entries

blog/index.php

@@ -77,6 +77,20 @@ $og_image = "https://ukdataservices.co.uk/assets/images/blog-og-image.png";
                     "@type": "Organization",
                     "name": "UK Data Services"
                 }
+            },
+            {
+                @type: BlogPosting,
+                headline: AI-Powered Web Scraping in 2026: How LLMs Are Changing Data Collection,
+                url: https://ukdataservices.co.uk/blog/articles/ai-web-scraping-2026,
+                datePublished: 2026-03-08,
+                author: {@type: Person, name: Alex Kumar}
+            },
+            {
+                @type: BlogPosting,
+                headline: Web Scraping for Lead Generation: A UK Business Guide 2026,
+                url: https://ukdataservices.co.uk/blog/articles/web-scraping-lead-generation-uk,
+                datePublished: 2026-03-08,
+                author: {@type: Person, name: Emma Richardson}
             }
         ]
     }
@@ -117,7 +131,7 @@ $og_image = "https://ukdataservices.co.uk/assets/images/blog-og-image.png";
                     
                     <div class="hero-stats">
                         <div class="stat">
-                            <span class="stat-number">55+</span>
+                            <span class="stat-number">57+</span>
                             <span class="stat-label">Expert Articles</span>
                         </div>
                         <div class="stat">
@@ -126,7 +140,7 @@ $og_image = "https://ukdataservices.co.uk/assets/images/blog-og-image.png";
                         </div>
                         <div class="stat">
                             <span class="stat-number">Fresh</span>
-                            <span class="stat-label">2025 Content</span>
+                            <span class="stat-label">2026 Content</span>
                         </div>
                     </div>
                 </div>
@@ -186,7 +200,7 @@ $og_image = "https://ukdataservices.co.uk/assets/images/blog-og-image.png";
                         <div class="article-content">
                             <div class="article-meta">
                                 <span class="category">Legal & Compliance</span>
-                                <time datetime="2025-06-08">8 June 2025</time>
+                                <time datetime="2026-03-08">Updated March 2026</time>
                             </div>
                             <h3><a href="/blog/articles/web-scraping-compliance-uk-guide">Complete Guide to Web Scraping Compliance in the UK</a></h3>
                             <p>Navigate the complex landscape of UK data protection laws and ensure your web scraping activities remain fully compliant with GDPR and industry regulations.</p>