diff --git a/themes/intotheeast/templates/trip.html.twig b/themes/intotheeast/templates/trip.html.twig
index a49dc2d..5cf6c88 100644
--- a/themes/intotheeast/templates/trip.html.twig
+++ b/themes/intotheeast/templates/trip.html.twig
@@ -122,14 +122,14 @@
             </span>
             <div class="trip-filter-bar">
                 <div class="trip-filter-group">
-                    <button class="trip-filter-btn is-active" data-filter="all">All content</button>
-                    <button class="trip-filter-btn" data-filter="journal">Journal</button>
-                    <button class="trip-filter-btn" data-filter="story">Stories</button>
+                    <button class="trip-filter-btn is-active" data-filter="all" aria-pressed="true">All content</button>
+                    <button class="trip-filter-btn" data-filter="journal" aria-pressed="false">Journal</button>
+                    <button class="trip-filter-btn" data-filter="story" aria-pressed="false">Stories</button>
                 </div>
                 <div class="trip-filter-group">
-                    <button class="trip-stats-btn" id="trip-stats-toggle">Stats</button>
+                    <button class="trip-stats-btn" id="trip-stats-toggle" aria-expanded="false" aria-controls="trip-stats-block">Stats</button>
                     {% if has_gpx %}
-                    <button class="trip-stats-btn" id="trip-cycling-toggle">Cycling</button>
+                    <button class="trip-stats-btn" id="trip-cycling-toggle" aria-expanded="false" aria-controls="trip-cycling-block">Cycling</button>
                     {% endif %}
                 </div>
             </div>
@@ -383,8 +383,9 @@ setTimeout(function () { tripMap.resize(); }, 100);
 
     filterBtns.forEach(function(btn) {
         btn.addEventListener('click', function() {
-            filterBtns.forEach(function(b) { b.classList.remove('is-active'); });
+            filterBtns.forEach(function(b) { b.classList.remove('is-active'); b.setAttribute('aria-pressed', 'false'); });
             btn.classList.add('is-active');
+            btn.setAttribute('aria-pressed', 'true');
 
             var filter = btn.getAttribute('data-filter');
             var visible = 0;
@@ -550,6 +551,7 @@ function parseGpxFiles(urls, callback) {
             var isOpen = statsBlock.style.display !== 'none';
             statsBlock.style.display = isOpen ? 'none' : '';
             statsToggle.classList.toggle('is-active', !isOpen);
+            statsToggle.setAttribute('aria-expanded', isOpen ? 'false' : 'true');
         });
     }
 
@@ -561,6 +563,7 @@ function parseGpxFiles(urls, callback) {
             var isOpen = cycBlock.style.display !== 'none';
             cycBlock.style.display = isOpen ? 'none' : '';
             cycToggle.classList.toggle('is-active', !isOpen);
+            cycToggle.setAttribute('aria-expanded', isOpen ? 'false' : 'true');
         });
     }
 })();