diff --git a/js/app.js b/js/app.js
index 8303021..cff2409 100644
--- a/js/app.js
+++ b/js/app.js
@@ -2,6 +2,10 @@
 (function () {
     'use strict';
 
+    /* ==================== LANGUAGE ==================== */
+    var SITE_LANG = (document.documentElement.lang || 'de').toLowerCase().indexOf('en') === 0 ? 'en' : 'de';
+    var SUMMARY_FILE = SITE_LANG === 'en' ? 'summary_en.json' : 'summary.json';
+
     /* ==================== NAVBAR ==================== */
     var navbar = document.getElementById('navbar');
     window.addEventListener('scroll', function () {
@@ -197,11 +201,19 @@
     var lageData = {};
     var dataLoaded = false;
 
-    var lageTitles = {
-        'iran-konflikt': 'Gro\u00dflage - Irankonflikt',
-        'cyberangriffe': 'Cyberangriffe auf deutsche Infrastruktur',
-        'deepfakes': 'Rechtliche Lage von Deepfakes in Deutschland'
+    var lageTitlesByLang = {
+        de: {
+            'iran-konflikt': 'Gro\u00dflage - Irankonflikt',
+            'cyberangriffe': 'Cyberangriffe auf deutsche Infrastruktur',
+            'deepfakes': 'Rechtliche Lage von Deepfakes in Deutschland'
+        },
+        en: {
+            'iran-konflikt': 'Major situation - Iran conflict',
+            'cyberangriffe': 'Cyberattacks on German infrastructure',
+            'deepfakes': 'Legal status of deepfakes in Germany'
+        }
     };
+    var lageTitles = lageTitlesByLang[SITE_LANG] || lageTitlesByLang.de;
 
     /* ==================== 3D CAROUSEL ==================== */
     var cards = document.querySelectorAll('.carousel-card');
@@ -427,7 +439,8 @@ function mdToHtml(md) {
     }
 
     function loadLiveData() {
-        fetch('/lagen/iran-konflikt/data/summary.json?t=' + Date.now())
+        fetch('/lagen/iran-konflikt/data/' + SUMMARY_FILE + '?t=' + Date.now())
+            .then(function (r) { if (!r.ok && SITE_LANG === 'en') return fetch('/lagen/iran-konflikt/data/summary.json?t=' + Date.now()); return r; })
             .then(function (r) { if (!r.ok) throw new Error(r.status); return r.json(); })
             .then(function (data) {
                 var inc = data.incident || {};
@@ -532,7 +545,12 @@ function mdToHtml(md) {
             mentioned: '#7b7b7b'
         };
 
-        var defaultLabels = {
+        var defaultLabels = SITE_LANG === 'en' ? {
+            primary: 'Primary',
+            secondary: 'Reactions',
+            tertiary: 'Involved',
+            mentioned: 'Mentioned'
+        } : {
             primary: 'Hauptgeschehen',
             secondary: 'Reaktionen',
             tertiary: 'Beteiligte',
@@ -582,7 +600,7 @@ function mdToHtml(md) {
         legend.onAdd = function () {
             var div = L.DomUtil.create('div');
             div.style.cssText = 'background:#151D2E;padding:10px 14px;border-radius:4px;border:1px solid #1E2D45;box-shadow:0 2px 8px rgba(0,0,0,0.3);font-size:0.8rem;line-height:1.8;color:#E8ECF4;';
-            var html = '<strong style="color:#C8A851;">Legende</strong><br>';
+            var html = '<strong style="color:#C8A851;">' + (SITE_LANG === 'en' ? 'Legend' : 'Legende') + '</strong><br>';
             ['primary', 'secondary', 'tertiary', 'mentioned'].forEach(function (cat) {
                 if (usedCategories[cat]) {
                     html += '<span style="color:' + categoryColors[cat] + ';">&#9679;</span> ' + categoryLabels[cat] + '<br>';
@@ -669,7 +687,8 @@ function mdToHtml(md) {
 
     /* ==================== LOAD DEEPFAKES DATA ==================== */
     function loadDeepfakesData() {
-        fetch('/lagen/deepfakes/data/summary.json?t=' + Date.now())
+        fetch('/lagen/deepfakes/data/' + SUMMARY_FILE + '?t=' + Date.now())
+            .then(function (r) { if (!r.ok && SITE_LANG === 'en') return fetch('/lagen/deepfakes/data/summary.json?t=' + Date.now()); return r; })
             .then(function (r) { if (!r.ok) throw new Error(r.status); return r.json(); })
             .then(function (data) {
                 var excerptEl = document.getElementById('excerpt-text-deepfakes');
@@ -696,7 +715,8 @@ function mdToHtml(md) {
 
     /* ==================== LOAD CYBERANGRIFFE DATA ==================== */
     function loadCyberangriffeData() {
-        fetch('/lagen/cyberangriffe/data/summary.json?t=' + Date.now())
+        fetch('/lagen/cyberangriffe/data/' + SUMMARY_FILE + '?t=' + Date.now())
+            .then(function (r) { if (!r.ok && SITE_LANG === 'en') return fetch('/lagen/cyberangriffe/data/summary.json?t=' + Date.now()); return r; })
             .then(function (r) { if (!r.ok) throw new Error(r.status); return r.json(); })
             .then(function (data) {
                 var excerptEl = document.getElementById('excerpt-text-cyberangriffe');