Restore about headshot and add project montage

index.html

@@ -67,8 +67,14 @@
               <a class="btn btn-secondary" href="assets/resume/Keith_Casko_IT_Cloud_Resume.pdf" download>Download Resume</a>
             </div>
           </div>
-          <div class="hero-image hero-headshot">
-            <img src="assets/images/keith-casko-headshot.png" alt="Keith Casko" />
+          <div class="hero-montage" aria-label="Selected project screenshots">
+            <img class="montage-main"
+                 src="assets/images/homelab-topology.svg"
+                 alt="ByteGeist Active Directory homelab topology" />
+            <img src="assets/screenshots/bytegeist-infrastructure-live.png"
+                 alt="ByteGeist infrastructure monitoring dashboard" />
+            <img src="assets/screenshots/bytegeist-support-live.png"
+                 alt="ByteGeist Support Lab application" />
           </div>
         </div>
       </div>
@@ -278,6 +284,12 @@
         </div>
 
         <div class="about-grid">
+          <div class="about-photo">
+            <img src="assets/images/keith-casko-headshot.png"
+                 alt="Keith Casko"
+                 class="about-headshot" />
+          </div>
+
           <div class="about-text">
             <h3>Keith Casko &mdash; Kalamazoo, Michigan</h3>
             <p>
@@ -295,6 +307,21 @@
               problem-solving under pressure.
             </p>
           </div>
+
+          <aside class="about-focus" aria-label="Current focus">
+            <h3>Current Focus</h3>
+            <ul>
+              <li>Windows Server &amp; Active Directory administration</li>
+              <li>AWS serverless applications and cloud operations</li>
+              <li>Linux, Docker, monitoring, and infrastructure troubleshooting</li>
+              <li>B.S. Software Engineering coursework at WGU</li>
+            </ul>
+            <div class="about-links">
+              <a href="https://github.com/kcasko" rel="noopener">GitHub</a>
+              <a href="https://www.linkedin.com/in/keith-casko/" rel="noopener">LinkedIn</a>
+              <a href="assets/resume/Keith_Casko_IT_Cloud_Resume.pdf" download>Resume</a>
+            </div>
+          </aside>
         </div>
       </div>
     </section>