fix: keep navigation labels single and accessible

src/components/SiteNavigation.vue

@@ -8,7 +8,7 @@ const props = defineProps<{
   onSectionLinkClick: (event: MouseEvent) => void;
 }>();
 
-const compactLabels: Readonly<Record<SectionId, string>> = {
+const navigationLabels: Readonly<Record<SectionId, string>> = {
   start: 'Start',
   profile: 'Profile',
   experience: 'Career',
@@ -30,8 +30,7 @@ const compactLabels: Readonly<Record<SectionId, string>> = {
             props.journey.activeSectionId === item.id ? 'page' : undefined
           "
           @click="props.onSectionLinkClick"
-          ><span class="site-navigation__full-label">{{ item.label }}</span
-          ><span class="site-navigation__compact-label">{{ compactLabels[item.id] }}</span></a
+          >{{ navigationLabels[item.id] }}</a
         >
       </li>
     </ul>