Improve projects page intro copy

projects.html

@@ -91,7 +91,8 @@
       <p class="eyebrow">Projects & Updates</p>
       <h1>Selected work, recent milestones, and technical writeups.</h1>
       <p class="projects-intro">
-          View selected projects, technical writeups, and recent updates.
+        A collection of backend, infrastructure, data-driven, and full-stack projects,
+        including personal tools, student work, freelance websites, and technical writeups.
       </p>
     </section>