<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" 
        xmlns:news="http://www.google.com/schemas/sitemap-news/0.9" 
        xmlns:xhtml="http://www.w3.org/1999/xhtml" 
        xmlns:mobile="http://www.google.com/schemas/sitemap-mobile/1.0" 
        xmlns:image="http://www.google.com/schemas/sitemap-image/1.1" 
        xmlns:video="http://www.google.com/schemas/sitemap-video/1.1">

    <!-- Main Pages -->
    <url>
        <loc>https://blackburnsystems.com/</loc>
        <lastmod>2025-09-16</lastmod>
        <changefreq>weekly</changefreq>
        <priority>1.0</priority>
    </url>

    <url>
        <loc>https://blackburnsystems.com/work/</loc>
        <lastmod>2025-09-16</lastmod>
        <changefreq>weekly</changefreq>
        <priority>0.9</priority>
    </url>

    <url>
        <loc>https://blackburnsystems.com/projects/</loc>
        <lastmod>2025-09-16</lastmod>
        <changefreq>weekly</changefreq>
        <priority>0.8</priority>
    </url>

    <url>
        <loc>https://blackburnsystems.com/contact/</loc>
        <lastmod>2025-09-16</lastmod>
        <changefreq>monthly</changefreq>
        <priority>0.7</priority>
    </url>

    <url>
        <loc>https://blackburnsystems.com/contact/thank-you</loc>
        <lastmod>2025-09-16</lastmod>
        <changefreq>yearly</changefreq>
        <priority>0.3</priority>
    </url>

    <url>
        <loc>https://blackburnsystems.com/privacy/</loc>
        <lastmod>2025-09-16</lastmod>
        <changefreq>yearly</changefreq>
        <priority>0.4</priority>
    </url>

    <!-- Resume/CV -->
    <url>
        <loc>https://blackburnsystems.com/resume</loc>
        <lastmod>2025-09-16</lastmod>
        <changefreq>monthly</changefreq>
        <priority>0.6</priority>
    </url>

    <url>
        <loc>https://blackburnsystems.com/resume/</loc>
        <lastmod>2025-09-16</lastmod>
        <changefreq>monthly</changefreq>
        <priority>0.6</priority>
    </url>

    <!-- Project Showcase Pages -->
    <url>
        <loc>https://blackburnsystems.com/showcase/portfoliosite/</loc>
        <lastmod>2025-09-16</lastmod>
        <changefreq>monthly</changefreq>
        <priority>0.8</priority>
    </url>

    <url>
        <loc>https://blackburnsystems.com/showcase/pypgsvg/</loc>
        <lastmod>2025-09-16</lastmod>
        <changefreq>monthly</changefreq>
        <priority>0.8</priority>
    </url>

    <!-- Demo/Public Resources -->
    <url>
        <loc>https://blackburnsystems.com/demo-erd-complex</loc>
        <lastmod>2025-09-16</lastmod>
        <changefreq>monthly</changefreq>
        <priority>0.5</priority>
    </url>

    <!-- Authentication Pages (public endpoints only) -->
    <url>
        <loc>https://blackburnsystems.com/auth/login</loc>
        <lastmod>2025-09-16</lastmod>
        <changefreq>yearly</changefreq>
        <priority>0.2</priority>
    </url>

    <!-- GraphQL API Endpoint (if publicly accessible) -->
    <url>
        <loc>https://blackburnsystems.com/graphql</loc>
        <lastmod>2025-09-16</lastmod>
        <changefreq>weekly</changefreq>
        <priority>0.3</priority>
    </url>

    <!-- Static Assets (key files only) -->
    <url>
        <loc>https://blackburnsystems.com/robots.txt</loc>
        <lastmod>2025-09-16</lastmod>
        <changefreq>yearly</changefreq>
        <priority>0.1</priority>
    </url>

    <!-- Add dynamic project showcase pages here -->
    <!-- These would be generated programmatically from your projects database -->
    <!-- Example format for future dynamic projects:
    <url>
        <loc>https://blackburnsystems.com/showcase/project-slug/</loc>
        <lastmod>2025-09-16</lastmod>
        <changefreq>monthly</changefreq>
        <priority>0.7</priority>
    </url>
    -->

</urlset>