Improve portfolio evidence, case studies and recruiter presentation

homelab.html

@@ -24,6 +24,7 @@
           <li><a href="index.html#home">Home</a></li>
           <li><a href="index.html#projects" class="active">Projects</a></li>
           <li><a href="index.html#homelab">Homelab</a></li>
+          <li><a href="index.html#credentials">Credentials</a></li>
           <li><a href="index.html#troubleshooting">Troubleshooting</a></li>
           <li><a href="index.html#about">About</a></li>
           <li><a href="index.html#resume">Resume</a></li>
@@ -282,7 +283,7 @@ bglab\administrator</pre>
     <div class="container">
       <div>&copy; <span id="year">2026</span> Keith Casko. All rights reserved.</div>
       <ul class="footer-links">
-        <li><a href="assets/resume/Keith_Casko_IT_Cloud_Resume.docx" download>Resume</a></li>
+        <li><a href="assets/resume/Keith_Casko_IT_Cloud_Resume.pdf" download>Resume (PDF)</a></li>
         <li><a href="https://github.com/kcasko" rel="noopener">GitHub</a></li>
         <li><a href="https://www.linkedin.com/in/keith-casko/" rel="noopener">LinkedIn</a></li>
         <li><a href="mailto:keith.casko@gmail.com">Email</a></li>