Fix desktop navigation visibility and features checklist layout

Restores navigation menu visibility on desktop (was hidden by collapse class). Adds proper multi-column grid layout for homepage features checklist with green checkmark icons. Maintains mobile hamburger menu functionality.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
Signed-off-by: James R. Perkins <jperkins@ibm.com>

Author: jamezp

public/css/bootstrap-theme.css

@@ -514,12 +514,16 @@ footer#projsubnav_footer ul.level1 a {
 /* ============================================
    MOBILE NAVIGATION - Hamburger Menu
    ============================================ */
-/* Hide hamburger on desktop */
+/* Desktop: show navigation, hide hamburger */
 .navbar-toggler {
   display: none !important;
 }
 
-/* Show hamburger on mobile */
+.navbar-collapse {
+  display: block !important;
+}
+
+/* Mobile only */
 @media (max-width: 768px) {
   .navbar-toggler {
     display: block !important;
@@ -552,7 +556,7 @@ footer#projsubnav_footer ul.level1 a {
     background-size: 100% !important;
   }
 
-  /* Collapsible nav */
+  /* Collapsible nav - mobile only */
   .navbar-collapse {
     width: 100% !important;
   }
@@ -1464,6 +1468,73 @@ table tbody tr:last-child td,
   color: #c9d1d9 !important;
 }
 
+/* ============================================
+   HOMEPAGE - Features Checklist
+   ============================================ */
+#proj_checklist,
+.proj_checklist {
+  padding: 0 0 1.5rem 0 !important;
+  color: #212529 !important;
+}
+
+#proj_checklist h3,
+.proj_checklist h3 {
+  color: var(--resteasy-primary-dark) !important;
+  font-size: 1.5rem !important;
+  font-weight: 600 !important;
+  margin-bottom: 1rem !important;
+  padding-bottom: 0.5rem !important;
+  border-bottom: 2px solid var(--resteasy-primary) !important;
+}
+
+#proj_checklist ul,
+.proj_checklist ul {
+  display: grid !important;
+  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)) !important;
+  gap: 0.5rem 2rem !important;
+  margin: 0 !important;
+  padding: 0 !important;
+  list-style: none !important;
+}
+
+#proj_checklist ul li,
+.proj_checklist ul li {
+  list-style: none !important;
+  background: none !important;
+  background-image: none !important;
+  padding-left: 1.75rem !important;
+  margin: 0 !important;
+  line-height: 1.6 !important;
+  position: relative !important;
+}
+
+#proj_checklist ul li::before,
+.proj_checklist ul li::before {
+  content: "✓" !important;
+  position: absolute !important;
+  left: 0 !important;
+  color: #28a745 !important;
+  font-weight: bold !important;
+  font-size: 1.1rem !important;
+}
+
+/* Dark mode for checklist */
+[data-bs-theme="dark"] #proj_checklist,
+[data-bs-theme="dark"] .proj_checklist {
+  color: #c9d1d9 !important;
+}
+
+[data-bs-theme="dark"] #proj_checklist h3,
+[data-bs-theme="dark"] .proj_checklist h3 {
+  color: #e6edf3 !important;
+  border-bottom-color: var(--resteasy-accent) !important;
+}
+
+[data-bs-theme="dark"] #proj_checklist ul li::before,
+[data-bs-theme="dark"] .proj_checklist ul li::before {
+  color: var(--resteasy-accent) !important;
+}
+
 /* ============================================
    BREADCRUMBS & RIGHT COLUMN
    ============================================ */