fix visual bugs + enhance sections + revise project orders

projects.html

@@ -91,6 +91,11 @@
       <div id="projects-grid" class="content-grid">
         <p class="loading-state">Loading projects...</p>
       </div>
+      <div id="projects-toggle-shell" class="projects-toggle-shell" hidden>
+        <button id="projects-toggle" class="projects-toggle" type="button" aria-expanded="false">
+          Show More Projects
+        </button>
+      </div>
     </section>
 
     <section class="content-section updates-section">