diff --git a/public/cases/ai-assistant-figma/index.html b/public/cases/ai-assistant-figma/index.html
index 0b7baad..4efdb57 100644
--- a/public/cases/ai-assistant-figma/index.html
+++ b/public/cases/ai-assistant-figma/index.html
@@ -184,25 +184,6 @@
           <nav class="nav" aria-label="Разделы страницы">
             <a href="#contact">Контакты</a>
           </nav>
-          <nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -393,13 +374,32 @@
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Дизайн и разработка сайта — Николай Мамадаев</span>
         <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Политика cookie</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         Сайт использует cookie для комфортной работы. Подробнее — в
-        <a href="../../cookie-policy/" data-cookie-policy-link>политике cookie</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Принять</span>
diff --git a/public/cases/ai-platform-primo-rpa-2/index.html b/public/cases/ai-platform-primo-rpa-2/index.html
index 98315ef..49c7e24 100644
--- a/public/cases/ai-platform-primo-rpa-2/index.html
+++ b/public/cases/ai-platform-primo-rpa-2/index.html
@@ -209,25 +209,6 @@
           <nav class="nav" aria-label="Разделы страницы">
             <a href="#contact">Контакты</a>
           </nav>
-          <nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -1047,13 +1028,32 @@
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Дизайн и разработка сайта — Николай Мамадаев</span>
         <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Политика cookie</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         Сайт использует cookie для комфортной работы. Подробнее — в
-        <a href="../../cookie-policy/" data-cookie-policy-link>политике cookie</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Принять</span>
diff --git a/public/cases/ai-platform-primo-rpa-v2/index.html b/public/cases/ai-platform-primo-rpa-v2/index.html
index 5980a03..32d969f 100644
--- a/public/cases/ai-platform-primo-rpa-v2/index.html
+++ b/public/cases/ai-platform-primo-rpa-v2/index.html
@@ -219,25 +219,6 @@
           <nav class="nav" aria-label="Разделы страницы">
             <a href="#contact">Контакты</a>
           </nav>
-          <nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -1177,13 +1158,32 @@
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Дизайн и разработка сайта — Николай Мамадаев</span>
         <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Политика cookie</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
     <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         Сайт использует cookie для комфортной работы. Подробнее — в
-        <a href="../../cookie-policy/" data-cookie-policy-link>политике cookie</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Принять</span>
diff --git a/public/cases/ai-platform-primo-rpa/index.html b/public/cases/ai-platform-primo-rpa/index.html
index 5308c58..1787ccb 100644
--- a/public/cases/ai-platform-primo-rpa/index.html
+++ b/public/cases/ai-platform-primo-rpa/index.html
@@ -209,25 +209,6 @@
           <nav class="nav" aria-label="Разделы страницы">
             <a href="#contact">Контакты</a>
           </nav>
-          <nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -1211,13 +1192,32 @@
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Дизайн и разработка сайта — Николай Мамадаев</span>
         <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Политика cookie</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         Сайт использует cookie для комфортной работы. Подробнее — в
-        <a href="../../cookie-policy/" data-cookie-policy-link>политике cookie</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Принять</span>
diff --git a/public/cases/card-columns-obsidian/index.html b/public/cases/card-columns-obsidian/index.html
index 738a481..d9508fc 100644
--- a/public/cases/card-columns-obsidian/index.html
+++ b/public/cases/card-columns-obsidian/index.html
@@ -275,25 +275,6 @@
           <nav class="nav" aria-label="Разделы страницы">
             <a href="#contact">Контакты</a>
           </nav>
-          <nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -785,13 +766,32 @@
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Дизайн и разработка сайта — Николай Мамадаев</span>
         <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Политика cookie</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         Сайт использует cookie для комфортной работы. Подробнее — в
-        <a href="../../cookie-policy/" data-cookie-policy-link>политике cookie</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Принять</span>
diff --git a/public/cases/design-system/index.html b/public/cases/design-system/index.html
index 949381e..e220853 100644
--- a/public/cases/design-system/index.html
+++ b/public/cases/design-system/index.html
@@ -452,25 +452,6 @@
           <nav class="nav" aria-label="Разделы страницы">
             <a href="../../">На главную</a>
           </nav>
-          <nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -1098,13 +1079,32 @@
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Дизайн и разработка сайта — Николай Мамадаев</span>
         <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Политика cookie</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
     <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         Сайт использует cookie для комфортной работы. Подробнее — в
-        <a href="../../cookie-policy/" data-cookie-policy-link>политике cookie</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Принять</span>
diff --git a/public/cases/lunacy/index.html b/public/cases/lunacy/index.html
index 38823e9..bb4b5bc 100644
--- a/public/cases/lunacy/index.html
+++ b/public/cases/lunacy/index.html
@@ -200,25 +200,6 @@
           <nav class="nav" aria-label="Разделы страницы">
             <a href="#contact">Контакты</a>
           </nav>
-          <nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -999,13 +980,32 @@
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Дизайн и разработка сайта — Николай Мамадаев</span>
         <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Политика cookie</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         Сайт использует cookie для комфортной работы. Подробнее — в
-        <a href="../../cookie-policy/" data-cookie-policy-link>политике cookie</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Принять</span>
diff --git a/public/cases/manu-game-maker/index.html b/public/cases/manu-game-maker/index.html
index aa01594..6762a07 100644
--- a/public/cases/manu-game-maker/index.html
+++ b/public/cases/manu-game-maker/index.html
@@ -177,25 +177,6 @@
           <nav class="nav" aria-label="Разделы страницы">
             <a href="#contact">Контакты</a>
           </nav>
-          <nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -741,13 +722,32 @@
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Дизайн и разработка сайта — Николай Мамадаев</span>
         <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Политика cookie</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         Сайт использует cookie для комфортной работы. Подробнее — в
-        <a href="../../cookie-policy/" data-cookie-policy-link>политике cookie</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Принять</span>
diff --git a/public/cases/mini-projects-showcase/index.html b/public/cases/mini-projects-showcase/index.html
index 594379b..31e22d9 100644
--- a/public/cases/mini-projects-showcase/index.html
+++ b/public/cases/mini-projects-showcase/index.html
@@ -393,25 +393,6 @@
           <nav class="nav" aria-label="Разделы страницы">
             <a href="../../">На главную</a>
           </nav>
-          <nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -1255,13 +1236,32 @@
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Дизайн и разработка сайта — Николай Мамадаев</span>
         <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Политика cookie</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
     <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         Сайт использует cookie для комфортной работы. Подробнее — в
-        <a href="../../cookie-policy/" data-cookie-policy-link>политике cookie</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Принять</span>
diff --git a/public/cases/mobile-clinic-app/index.html b/public/cases/mobile-clinic-app/index.html
index 603804a..50f63d0 100644
--- a/public/cases/mobile-clinic-app/index.html
+++ b/public/cases/mobile-clinic-app/index.html
@@ -177,25 +177,6 @@
           <nav class="nav" aria-label="Разделы страницы">
             <a href="#contact">Контакты</a>
           </nav>
-          <nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -741,13 +722,32 @@
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Дизайн и разработка сайта — Николай Мамадаев</span>
         <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Политика cookie</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         Сайт использует cookie для комфортной работы. Подробнее — в
-        <a href="../../cookie-policy/" data-cookie-policy-link>политике cookie</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Принять</span>
diff --git a/public/cases/obsidian-plugin-columns-view/index.html b/public/cases/obsidian-plugin-columns-view/index.html
index b02babf..f7fd535 100644
--- a/public/cases/obsidian-plugin-columns-view/index.html
+++ b/public/cases/obsidian-plugin-columns-view/index.html
@@ -184,25 +184,6 @@
           <nav class="nav" aria-label="Разделы страницы">
             <a href="#contact">Контакты</a>
           </nav>
-          <nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -775,13 +756,32 @@
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Дизайн и разработка сайта — Николай Мамадаев</span>
         <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Политика cookie</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         Сайт использует cookie для комфортной работы. Подробнее — в
-        <a href="../../cookie-policy/" data-cookie-policy-link>политике cookie</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Принять</span>
diff --git a/public/cases/orc-automation-panel/index.html b/public/cases/orc-automation-panel/index.html
index 3859c89..e2da0f4 100644
--- a/public/cases/orc-automation-panel/index.html
+++ b/public/cases/orc-automation-panel/index.html
@@ -196,25 +196,6 @@
           <nav class="nav" aria-label="Разделы страницы">
             <a href="#contact">Контакты</a>
           </nav>
-          <nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -880,13 +861,32 @@
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Дизайн и разработка сайта — Николай Мамадаев</span>
         <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Политика cookie</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
     <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         Сайт использует cookie для комфортной работы. Подробнее — в
-        <a href="../../cookie-policy/" data-cookie-policy-link>политике cookie</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Принять</span>
diff --git a/public/cases/site-with-ai-ide/index.html b/public/cases/site-with-ai-ide/index.html
index 3fdc582..b469928 100644
--- a/public/cases/site-with-ai-ide/index.html
+++ b/public/cases/site-with-ai-ide/index.html
@@ -184,25 +184,6 @@
           <nav class="nav" aria-label="Разделы страницы">
             <a href="#contact">Контакты</a>
           </nav>
-          <nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -393,13 +374,32 @@
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Дизайн и разработка сайта — Николай Мамадаев</span>
         <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Политика cookie</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         Сайт использует cookie для комфортной работы. Подробнее — в
-        <a href="../../cookie-policy/" data-cookie-policy-link>политике cookie</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Принять</span>
diff --git a/public/cases/task-distribution-concept/index.html b/public/cases/task-distribution-concept/index.html
index c11a999..82215f1 100644
--- a/public/cases/task-distribution-concept/index.html
+++ b/public/cases/task-distribution-concept/index.html
@@ -177,25 +177,6 @@
           <nav class="nav" aria-label="Разделы страницы">
             <a href="#contact">Контакты</a>
           </nav>
-          <nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -741,13 +722,32 @@
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Дизайн и разработка сайта — Николай Мамадаев</span>
         <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Политика cookie</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         Сайт использует cookie для комфортной работы. Подробнее — в
-        <a href="../../cookie-policy/" data-cookie-policy-link>политике cookie</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Принять</span>
diff --git a/public/cases/task-tracker/index.html b/public/cases/task-tracker/index.html
index f2fc70b..ef13132 100644
--- a/public/cases/task-tracker/index.html
+++ b/public/cases/task-tracker/index.html
@@ -199,25 +199,6 @@
           <nav class="nav" aria-label="Разделы страницы">
             <a href="#contact">Контакты</a>
           </nav>
-          <nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -1169,13 +1150,32 @@
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Дизайн и разработка сайта — Николай Мамадаев</span>
         <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Политика cookie</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         Сайт использует cookie для комфортной работы. Подробнее — в
-        <a href="../../cookie-policy/" data-cookie-policy-link>политике cookie</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Принять</span>
diff --git a/public/cases/template-elements-demo/index.html b/public/cases/template-elements-demo/index.html
index 6ae1bfe..e5455d2 100644
--- a/public/cases/template-elements-demo/index.html
+++ b/public/cases/template-elements-demo/index.html
@@ -182,25 +182,6 @@
           <nav class="nav" aria-label="Разделы страницы">
             <a href="../../">На главную</a>
           </nav>
-          <nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -1133,13 +1114,32 @@
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Дизайн и разработка сайта — Николай Мамадаев</span>
         <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Политика cookie</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         Сайт использует cookie для комфортной работы. Подробнее — в
-        <a href="../../cookie-policy/" data-cookie-policy-link>политике cookie</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Принять</span>
diff --git a/public/cookie-policy/index.html b/public/cookie-policy/index.html
index c74f40d..7b0595e 100644
--- a/public/cookie-policy/index.html
+++ b/public/cookie-policy/index.html
@@ -156,25 +156,6 @@
           <nav class="nav" aria-label="Разделы страницы">
             <a href="../">На главную</a>
           </nav>
-          <nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -341,13 +322,32 @@
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Дизайн и разработка сайта — Николай Мамадаев</span>
         <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../cookie-policy/">Политика cookie</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         Сайт использует cookie для комфортной работы. Подробнее — в
-        <a href="../cookie-policy/" data-cookie-policy-link>политике cookie</a>.
+        <a href="../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Принять</span>
diff --git a/public/css/main.css b/public/css/main.css
index a0d3f32..c834d20 100644
--- a/public/css/main.css
+++ b/public/css/main.css
@@ -563,40 +563,45 @@ a:visited:not(.btn):not(.fab):not(.logo):not(.skip-link):hover {
   margin-left: 0;
 }
 
-/* Переключатель языка в шапке: компактные pill-кнопки RU/EN */
+/* Переключатель языка в футере: лаконичная текстовая группа RU / EN */
 .lang-switch {
   display: inline-flex;
   align-items: center;
-  gap: 0.15rem;
-  margin-left: 0.35rem;
-  font-size: 0.8rem;
+  gap: 0.45rem;
+  font-size: 0.78rem;
+  line-height: 1;
 }
 
 .lang-switch__btn {
   appearance: none;
-  border: 1px solid var(--v12-glass-neutral-border);
-  background: var(--v12-glass-neutral-bg);
-  color: var(--text-muted);
-  border-radius: 999px;
-  padding: 0.22rem 0.55rem;
+  margin: 0;
+  padding: 0;
+  border: 0;
+  background: none;
   font: inherit;
   font-weight: 600;
-  line-height: 1;
-  cursor: pointer;
+  letter-spacing: 0.04em;
+  color: var(--text-muted);
   text-decoration: none;
-  transition: color 0.15s ease, border-color 0.15s ease, background 0.2s ease;
+  cursor: pointer;
+  transition: color 0.15s ease;
 }
 
 .lang-switch__btn:hover,
 .lang-switch__btn:focus-visible {
   color: var(--text);
-  border-color: color-mix(in srgb, var(--accent) 45%, var(--v12-glass-neutral-border));
 }
 
 .lang-switch__btn[aria-current="true"] {
-  color: var(--on-accent);
-  background: var(--accent);
-  border-color: var(--accent);
+  color: var(--accent);
+}
+
+/* разделитель между языками */
+.lang-switch__btn:not(:last-child)::after {
+  content: "/";
+  margin-left: 0.45rem;
+  color: var(--border);
+  font-weight: 400;
 }
 
 .header__cluster {
diff --git a/public/en/cases/ai-assistant-figma/index.html b/public/en/cases/ai-assistant-figma/index.html
index fce40a8..ca775a1 100644
--- a/public/en/cases/ai-assistant-figma/index.html
+++ b/public/en/cases/ai-assistant-figma/index.html
@@ -179,30 +179,11 @@
     <a class="skip-link" href="#case-main">Skip to case content</a>
     <header class="header" data-theme-picker>
       <div class="header__inner">
-        <a class="logo" href="../../../" aria-label="Home">НМ</a>
+        <a class="logo" href="../../" aria-label="Home">НМ</a>
         <div class="header__cluster">
           <nav class="nav" aria-label="Page sections">
             <a href="#contact">Contact</a>
           </nav>
-          <nav class="lang-switch" aria-label="Choose language" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -392,14 +373,33 @@
       <div class="footer__inner">
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Website design and development — Nikolay Mamadaev</span>
-        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Choose language" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         This site uses cookies for a comfortable experience. Read more in
-        <a href="../../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Accept</span>
diff --git a/public/en/cases/ai-platform-primo-rpa-2/index.html b/public/en/cases/ai-platform-primo-rpa-2/index.html
index 7eee300..160a48e 100644
--- a/public/en/cases/ai-platform-primo-rpa-2/index.html
+++ b/public/en/cases/ai-platform-primo-rpa-2/index.html
@@ -204,30 +204,11 @@
     <a class="skip-link" href="#case-main">Skip to case content</a>
     <header class="header" data-theme-picker>
       <div class="header__inner">
-        <a class="logo" href="../../../" aria-label="Home">НМ</a>
+        <a class="logo" href="../../" aria-label="Home">НМ</a>
         <div class="header__cluster">
           <nav class="nav" aria-label="Page sections">
             <a href="#contact">Contact</a>
           </nav>
-          <nav class="lang-switch" aria-label="Choose language" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -1038,14 +1019,33 @@
       <div class="footer__inner">
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Website design and development — Nikolay Mamadaev</span>
-        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Choose language" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         This site uses cookies for a comfortable experience. Read more in
-        <a href="../../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Accept</span>
diff --git a/public/en/cases/ai-platform-primo-rpa-v2/index.html b/public/en/cases/ai-platform-primo-rpa-v2/index.html
index 83a7241..65decf5 100644
--- a/public/en/cases/ai-platform-primo-rpa-v2/index.html
+++ b/public/en/cases/ai-platform-primo-rpa-v2/index.html
@@ -214,30 +214,11 @@
     <a class="skip-link" href="#case-main">Skip to case content</a>
     <header class="header" data-theme-picker>
       <div class="header__inner">
-        <a class="logo" href="../../../" aria-label="Home">НМ</a>
+        <a class="logo" href="../../" aria-label="Home">НМ</a>
         <div class="header__cluster">
           <nav class="nav" aria-label="Page sections">
             <a href="#contact">Contact</a>
           </nav>
-          <nav class="lang-switch" aria-label="Choose language" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -1168,14 +1149,33 @@
       <div class="footer__inner">
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Website design and development — Nikolay Mamadaev</span>
-        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Choose language" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
     <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         This site uses cookies for a comfortable experience. Read more in
-        <a href="../../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Accept</span>
diff --git a/public/en/cases/ai-platform-primo-rpa/index.html b/public/en/cases/ai-platform-primo-rpa/index.html
index 9e65992..bfa5d43 100644
--- a/public/en/cases/ai-platform-primo-rpa/index.html
+++ b/public/en/cases/ai-platform-primo-rpa/index.html
@@ -204,30 +204,11 @@
     <a class="skip-link" href="#case-main">Skip to case content</a>
     <header class="header" data-theme-picker>
       <div class="header__inner">
-        <a class="logo" href="../../../" aria-label="Home">НМ</a>
+        <a class="logo" href="../../" aria-label="Home">НМ</a>
         <div class="header__cluster">
           <nav class="nav" aria-label="Page sections">
             <a href="#contact">Contact</a>
           </nav>
-          <nav class="lang-switch" aria-label="Choose language" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -1202,14 +1183,33 @@
       <div class="footer__inner">
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Website design and development — Nikolay Mamadaev</span>
-        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Choose language" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         This site uses cookies for a comfortable experience. Read more in
-        <a href="../../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Accept</span>
diff --git a/public/en/cases/card-columns-obsidian/index.html b/public/en/cases/card-columns-obsidian/index.html
index 87b18e3..e2ed48a 100644
--- a/public/en/cases/card-columns-obsidian/index.html
+++ b/public/en/cases/card-columns-obsidian/index.html
@@ -270,30 +270,11 @@
     <a class="skip-link" href="#case-main">Skip to case content</a>
     <header class="header" data-theme-picker>
       <div class="header__inner">
-        <a class="logo" href="../../../" aria-label="Home">НМ</a>
+        <a class="logo" href="../../" aria-label="Home">НМ</a>
         <div class="header__cluster">
           <nav class="nav" aria-label="Page sections">
             <a href="#contact">Contact</a>
           </nav>
-          <nav class="lang-switch" aria-label="Choose language" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -784,14 +765,33 @@
       <div class="footer__inner">
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Website design and development — Nikolay Mamadaev</span>
-        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Choose language" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         This site uses cookies for a comfortable experience. Read more in
-        <a href="../../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Accept</span>
diff --git a/public/en/cases/design-system/index.html b/public/en/cases/design-system/index.html
index a9f1ff1..b3e410e 100644
--- a/public/en/cases/design-system/index.html
+++ b/public/en/cases/design-system/index.html
@@ -447,30 +447,11 @@
 
     <header class="header" data-theme-picker>
       <div class="header__inner">
-        <a class="logo" href="../../../" aria-label="Home">НМ</a>
+        <a class="logo" href="../../" aria-label="Home">НМ</a>
         <div class="header__cluster">
           <nav class="nav" aria-label="Page sections">
-            <a href="../../../">Home</a>
+            <a href="../../">Home</a>
           </nav>
-          <nav class="lang-switch" aria-label="Choose language" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -532,7 +513,7 @@
           </div>
         </div>
       </div>
-      <a class="fab fab--primary" href="../../../#contact" aria-label="Связаться">
+      <a class="fab fab--primary" href="../../#contact" aria-label="Связаться">
         <span class="fab-primary__ico" aria-hidden="true"></span>
       </a>
     </div>
@@ -874,9 +855,9 @@
         </ul>
         <p class="section__prose">
           Навыки: мозаика на широком экране — см.
-          <a href="../../../#skills">главную, #skills</a>. Портфолио: карусель на
+          <a href="../../#skills">главную, #skills</a>. Портфолио: карусель на
           <code>100vw</code> с <code>--projects-card-width</code> и JS-прокруткой — на главной
-          <a href="../../../#projects">#projects</a>.
+          <a href="../../#projects">#projects</a>.
         </p>
 
         <h3>Wide в кейсах</h3>
@@ -1097,14 +1078,33 @@
       <div class="footer__inner">
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Website design and development — Nikolay Mamadaev</span>
-        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Choose language" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
     <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         This site uses cookies for a comfortable experience. Read more in
-        <a href="../../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Accept</span>
diff --git a/public/en/cases/lunacy/index.html b/public/en/cases/lunacy/index.html
index 0ab1a2e..4942a79 100644
--- a/public/en/cases/lunacy/index.html
+++ b/public/en/cases/lunacy/index.html
@@ -195,30 +195,11 @@
     <a class="skip-link" href="#case-main">Skip to case content</a>
     <header class="header" data-theme-picker>
       <div class="header__inner">
-        <a class="logo" href="../../../" aria-label="Home">НМ</a>
+        <a class="logo" href="../../" aria-label="Home">НМ</a>
         <div class="header__cluster">
           <nav class="nav" aria-label="Page sections">
             <a href="#contact">Contact</a>
           </nav>
-          <nav class="lang-switch" aria-label="Choose language" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -990,14 +971,33 @@
       <div class="footer__inner">
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Website design and development — Nikolay Mamadaev</span>
-        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Choose language" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         This site uses cookies for a comfortable experience. Read more in
-        <a href="../../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Accept</span>
diff --git a/public/en/cases/manu-game-maker/index.html b/public/en/cases/manu-game-maker/index.html
index 984d76e..14760f5 100644
--- a/public/en/cases/manu-game-maker/index.html
+++ b/public/en/cases/manu-game-maker/index.html
@@ -172,30 +172,11 @@
     <a class="skip-link" href="#case-main">Skip to case content</a>
     <header class="header" data-theme-picker>
       <div class="header__inner">
-        <a class="logo" href="../../../" aria-label="Home">НМ</a>
+        <a class="logo" href="../../" aria-label="Home">НМ</a>
         <div class="header__cluster">
           <nav class="nav" aria-label="Page sections">
             <a href="#contact">Contact</a>
           </nav>
-          <nav class="lang-switch" aria-label="Choose language" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -732,14 +713,33 @@
       <div class="footer__inner">
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Website design and development — Nikolay Mamadaev</span>
-        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Choose language" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         This site uses cookies for a comfortable experience. Read more in
-        <a href="../../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Accept</span>
diff --git a/public/en/cases/mini-projects-showcase/index.html b/public/en/cases/mini-projects-showcase/index.html
index 46a8af9..190bcb2 100644
--- a/public/en/cases/mini-projects-showcase/index.html
+++ b/public/en/cases/mini-projects-showcase/index.html
@@ -388,30 +388,11 @@
 
     <header class="header" data-theme-picker>
       <div class="header__inner">
-        <a class="logo" href="../../../" aria-label="Home">НМ</a>
+        <a class="logo" href="../../" aria-label="Home">НМ</a>
         <div class="header__cluster">
           <nav class="nav" aria-label="Page sections">
-            <a href="../../../">Home</a>
+            <a href="../../">Home</a>
           </nav>
-          <nav class="lang-switch" aria-label="Choose language" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -473,7 +454,7 @@
           </div>
         </div>
       </div>
-      <a class="fab fab--primary" href="../../../#contact" aria-label="Связаться">
+      <a class="fab fab--primary" href="../../#contact" aria-label="Связаться">
         <span class="fab-primary__ico" aria-hidden="true"></span>
       </a>
     </div>
@@ -1254,14 +1235,33 @@
       <div class="footer__inner">
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Website design and development — Nikolay Mamadaev</span>
-        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Choose language" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
     <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         This site uses cookies for a comfortable experience. Read more in
-        <a href="../../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Accept</span>
diff --git a/public/en/cases/mobile-clinic-app/index.html b/public/en/cases/mobile-clinic-app/index.html
index 9f62ccc..24821e6 100644
--- a/public/en/cases/mobile-clinic-app/index.html
+++ b/public/en/cases/mobile-clinic-app/index.html
@@ -172,30 +172,11 @@
     <a class="skip-link" href="#case-main">Skip to case content</a>
     <header class="header" data-theme-picker>
       <div class="header__inner">
-        <a class="logo" href="../../../" aria-label="Home">НМ</a>
+        <a class="logo" href="../../" aria-label="Home">НМ</a>
         <div class="header__cluster">
           <nav class="nav" aria-label="Page sections">
             <a href="#contact">Contact</a>
           </nav>
-          <nav class="lang-switch" aria-label="Choose language" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -732,14 +713,33 @@
       <div class="footer__inner">
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Website design and development — Nikolay Mamadaev</span>
-        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Choose language" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         This site uses cookies for a comfortable experience. Read more in
-        <a href="../../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Accept</span>
diff --git a/public/en/cases/obsidian-plugin-columns-view/index.html b/public/en/cases/obsidian-plugin-columns-view/index.html
index 734689b..3b41c1e 100644
--- a/public/en/cases/obsidian-plugin-columns-view/index.html
+++ b/public/en/cases/obsidian-plugin-columns-view/index.html
@@ -179,30 +179,11 @@
     <a class="skip-link" href="#case-main">Skip to case content</a>
     <header class="header" data-theme-picker>
       <div class="header__inner">
-        <a class="logo" href="../../../" aria-label="Home">НМ</a>
+        <a class="logo" href="../../" aria-label="Home">НМ</a>
         <div class="header__cluster">
           <nav class="nav" aria-label="Page sections">
             <a href="#contact">Contact</a>
           </nav>
-          <nav class="lang-switch" aria-label="Choose language" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -766,14 +747,33 @@
       <div class="footer__inner">
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Website design and development — Nikolay Mamadaev</span>
-        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Choose language" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         This site uses cookies for a comfortable experience. Read more in
-        <a href="../../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Accept</span>
diff --git a/public/en/cases/orc-automation-panel/index.html b/public/en/cases/orc-automation-panel/index.html
index 6c12a86..ee9d32d 100644
--- a/public/en/cases/orc-automation-panel/index.html
+++ b/public/en/cases/orc-automation-panel/index.html
@@ -191,30 +191,11 @@
     <a class="skip-link" href="#case-main">Skip to case content</a>
     <header class="header" data-theme-picker>
       <div class="header__inner">
-        <a class="logo" href="../../../" aria-label="Home">НМ</a>
+        <a class="logo" href="../../" aria-label="Home">НМ</a>
         <div class="header__cluster">
           <nav class="nav" aria-label="Page sections">
             <a href="#contact">Contact</a>
           </nav>
-          <nav class="lang-switch" aria-label="Choose language" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -871,14 +852,33 @@
       <div class="footer__inner">
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Website design and development — Nikolay Mamadaev</span>
-        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Choose language" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
     <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         This site uses cookies for a comfortable experience. Read more in
-        <a href="../../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Accept</span>
diff --git a/public/en/cases/site-with-ai-ide/index.html b/public/en/cases/site-with-ai-ide/index.html
index 8b17a7d..4f936a4 100644
--- a/public/en/cases/site-with-ai-ide/index.html
+++ b/public/en/cases/site-with-ai-ide/index.html
@@ -179,30 +179,11 @@
     <a class="skip-link" href="#case-main">Skip to case content</a>
     <header class="header" data-theme-picker>
       <div class="header__inner">
-        <a class="logo" href="../../../" aria-label="Home">НМ</a>
+        <a class="logo" href="../../" aria-label="Home">НМ</a>
         <div class="header__cluster">
           <nav class="nav" aria-label="Page sections">
             <a href="#contact">Contact</a>
           </nav>
-          <nav class="lang-switch" aria-label="Choose language" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -392,14 +373,33 @@
       <div class="footer__inner">
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Website design and development — Nikolay Mamadaev</span>
-        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Choose language" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         This site uses cookies for a comfortable experience. Read more in
-        <a href="../../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Accept</span>
diff --git a/public/en/cases/task-distribution-concept/index.html b/public/en/cases/task-distribution-concept/index.html
index a4bd0ff..525ff02 100644
--- a/public/en/cases/task-distribution-concept/index.html
+++ b/public/en/cases/task-distribution-concept/index.html
@@ -172,30 +172,11 @@
     <a class="skip-link" href="#case-main">Skip to case content</a>
     <header class="header" data-theme-picker>
       <div class="header__inner">
-        <a class="logo" href="../../../" aria-label="Home">НМ</a>
+        <a class="logo" href="../../" aria-label="Home">НМ</a>
         <div class="header__cluster">
           <nav class="nav" aria-label="Page sections">
             <a href="#contact">Contact</a>
           </nav>
-          <nav class="lang-switch" aria-label="Choose language" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -732,14 +713,33 @@
       <div class="footer__inner">
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Website design and development — Nikolay Mamadaev</span>
-        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Choose language" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         This site uses cookies for a comfortable experience. Read more in
-        <a href="../../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Accept</span>
diff --git a/public/en/cases/task-tracker/index.html b/public/en/cases/task-tracker/index.html
index eaa5ea6..c1b955a 100644
--- a/public/en/cases/task-tracker/index.html
+++ b/public/en/cases/task-tracker/index.html
@@ -194,30 +194,11 @@
     <a class="skip-link" href="#case-main">Skip to case content</a>
     <header class="header" data-theme-picker>
       <div class="header__inner">
-        <a class="logo" href="../../../" aria-label="Home">НМ</a>
+        <a class="logo" href="../../" aria-label="Home">НМ</a>
         <div class="header__cluster">
           <nav class="nav" aria-label="Page sections">
             <a href="#contact">Contact</a>
           </nav>
-          <nav class="lang-switch" aria-label="Choose language" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -1160,14 +1141,33 @@
       <div class="footer__inner">
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Website design and development — Nikolay Mamadaev</span>
-        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Choose language" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         This site uses cookies for a comfortable experience. Read more in
-        <a href="../../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Accept</span>
diff --git a/public/en/cases/template-elements-demo/index.html b/public/en/cases/template-elements-demo/index.html
index a2d4efd..75074d6 100644
--- a/public/en/cases/template-elements-demo/index.html
+++ b/public/en/cases/template-elements-demo/index.html
@@ -177,30 +177,11 @@
 
     <header class="header" data-theme-picker>
       <div class="header__inner">
-        <a class="logo" href="../../../" aria-label="Home">НМ</a>
+        <a class="logo" href="../../" aria-label="Home">НМ</a>
         <div class="header__cluster">
           <nav class="nav" aria-label="Page sections">
-            <a href="../../../">Home</a>
+            <a href="../../">Home</a>
           </nav>
-          <nav class="lang-switch" aria-label="Choose language" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -262,7 +243,7 @@
           </div>
         </div>
       </div>
-      <a class="fab fab--primary" href="../../../#contact" aria-label="Связаться">
+      <a class="fab fab--primary" href="../../#contact" aria-label="Связаться">
         <span class="fab-primary__ico" aria-hidden="true"></span>
       </a>
     </div>
@@ -1125,14 +1106,33 @@
       <div class="footer__inner">
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Website design and development — Nikolay Mamadaev</span>
-        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Choose language" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         This site uses cookies for a comfortable experience. Read more in
-        <a href="../../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
+        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Accept</span>
diff --git a/public/en/cookie-policy/index.html b/public/en/cookie-policy/index.html
index 413457f..14c181a 100644
--- a/public/en/cookie-policy/index.html
+++ b/public/en/cookie-policy/index.html
@@ -151,30 +151,11 @@
 
     <header class="header" data-theme-picker>
       <div class="header__inner">
-        <a class="logo" href="../../" aria-label="Home">НМ</a>
+        <a class="logo" href="../" aria-label="Home">НМ</a>
         <div class="header__cluster">
           <nav class="nav" aria-label="Page sections">
-            <a href="../../">Home</a>
+            <a href="../">Home</a>
           </nav>
-          <nav class="lang-switch" aria-label="Choose language" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -236,7 +217,7 @@
           </div>
         </div>
       </div>
-      <a class="fab fab--primary" href="../../#contact" aria-label="Связаться">
+      <a class="fab fab--primary" href="../#contact" aria-label="Связаться">
         <span class="fab-primary__ico" aria-hidden="true"></span>
       </a>
     </div>
@@ -277,7 +258,7 @@
           
           <strong>Nikolai Mamadaev</strong>
           is the operator of the Site. For questions regarding data processing, please use the contact information in the “Contacts” section on
-          <a href="../../#contact">the home page</a>
+          <a href="../#contact">the home page</a>
           (Telegram, VKontakte, Yandex, and email by copying the address using the button).
         </p>
 
@@ -333,7 +314,7 @@
 
         <h2 id="changes">Changes</h2>
         <p class="section__prose">
-          The text of the policy may be updated as technologies on the site change. The current version is published on the “Cookie Policy” page at <a href="../../cookie-policy/">/cookie-policy.html</a> relative to the site root.
+          The text of the policy may be updated as technologies on the site change. The current version is published on the “Cookie Policy” page at <a href="../cookie-policy/">/cookie-policy.html</a> relative to the site root.
         </p>
       </div>
     </main>
@@ -342,14 +323,33 @@
       <div class="footer__inner">
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Website design and development — Nikolay Mamadaev</span>
-        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Choose language" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         This site uses cookies for a comfortable experience. Read more in
-        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
+        <a href="../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Accept</span>
diff --git a/public/en/index.html b/public/en/index.html
index baf19b3..4d28cdb 100644
--- a/public/en/index.html
+++ b/public/en/index.html
@@ -127,25 +127,6 @@
             </button>
             <div id="nav-more-menu-dock" class="nav-more__dock" hidden data-nav-more-menu></div>
           </div>
-          <nav class="lang-switch" aria-label="Choose language" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -1350,14 +1331,33 @@
       <div class="footer__inner">
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Website design and development — Nikolay Mamadaev</span>
-        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Choose language" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         This site uses cookies for a comfortable experience. Read more in
-        <a href="../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
+        <a href="cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Accept</span>
diff --git a/public/en/resume/index.html b/public/en/resume/index.html
index 606ecfe..389ae21 100644
--- a/public/en/resume/index.html
+++ b/public/en/resume/index.html
@@ -306,30 +306,11 @@
 
     <header class="header" data-theme-picker>
       <div class="header__inner">
-        <a class="logo" href="../../" aria-label="Home">НМ</a>
+        <a class="logo" href="../" aria-label="Home">НМ</a>
         <div class="header__cluster">
           <nav class="nav" aria-label="Page sections">
-            <a href="../../">Home</a>
+            <a href="../">Home</a>
           </nav>
-          <nav class="lang-switch" aria-label="Choose language" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -967,14 +948,33 @@
       <div class="footer__inner">
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Website design and development — Nikolay Mamadaev</span>
-        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../cookie-policy/">Cookie policy</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Choose language" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
     <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         This site uses cookies for a comfortable experience. Read more in
-        <a href="../../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
+        <a href="../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Accept</span>
diff --git a/public/index.html b/public/index.html
index 7f7c672..355d685 100644
--- a/public/index.html
+++ b/public/index.html
@@ -127,25 +127,6 @@
             </button>
             <div id="nav-more-menu-dock" class="nav-more__dock" hidden data-nav-more-menu></div>
           </div>
-          <nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -1373,13 +1354,32 @@
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Дизайн и разработка сайта — Николай Мамадаев</span>
         <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="cookie-policy/">Политика cookie</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
 <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         Сайт использует cookie для комфортной работы. Подробнее — в
-        <a href="cookie-policy/" data-cookie-policy-link>политике cookie</a>.
+        <a href="cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Принять</span>
diff --git a/public/resume/index.html b/public/resume/index.html
index f30e1df..57a4b70 100644
--- a/public/resume/index.html
+++ b/public/resume/index.html
@@ -311,25 +311,6 @@
           <nav class="nav" aria-label="Разделы страницы">
             <a href="../">На главную</a>
           </nav>
-          <nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
-  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
-  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
-</nav>
-<script>
-  (function () {
-    var p = location.pathname.replace(/^\/+/, "");
-    var isEn = p.indexOf("en/") === 0;
-    var base = isEn ? p.slice(3) : p;
-    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
-    for (var i = 0; i < links.length; i++) {
-      var b = links[i];
-      var l = b.getAttribute("data-lang");
-      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
-      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
-    }
-  })();
-</script>
-
         </div>
       </div>
     </header>
@@ -968,13 +949,32 @@
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">Дизайн и разработка сайта — Николай Мамадаев</span>
         <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="../cases/design-system/">Design System</a><span class="footer__sep" aria-hidden="true"> · </span><a href="../cookie-policy/">Политика cookie</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span><nav class="lang-switch" aria-label="Выбор языка" data-lang-switch>
+  <a class="lang-switch__btn" data-lang="ru" href="/">RU</a>
+  <a class="lang-switch__btn" data-lang="en" href="/en/">EN</a>
+</nav>
+<script>
+  (function () {
+    var p = location.pathname.replace(/^\/+/, "");
+    var isEn = p.indexOf("en/") === 0;
+    var base = isEn ? p.slice(3) : p;
+    var links = document.querySelectorAll("[data-lang-switch] [data-lang]");
+    for (var i = 0; i < links.length; i++) {
+      var b = links[i];
+      var l = b.getAttribute("data-lang");
+      b.setAttribute("href", (l === "en" ? "/en/" : "/") + base);
+      if ((l === "en") === isEn) b.setAttribute("aria-current", "true");
+    }
+  })();
+</script>
+</span>
       </div>
     </footer>
 
     <aside class="cookie-notice glass-neutral" hidden data-cookie-notice>
       <p class="cookie-notice__text">
         Сайт использует cookie для комфортной работы. Подробнее — в
-        <a href="../cookie-policy/" data-cookie-policy-link>политике cookie</a>.
+        <a href="../cookie-policy/" data-cookie-policy-link>cookie policy</a>.
       </p>
       <button type="button" class="btn btn--secondary btn--flat cookie-notice__accept" data-cookie-accept>
         <span>Принять</span>
diff --git a/src/partials/footer.html b/src/partials/footer.html
index 2e8c767..41871a4 100644
--- a/src/partials/footer.html
+++ b/src/partials/footer.html
@@ -3,5 +3,6 @@
         <span class="footer__chunk footer__chunk--date">© 2015–2026<span class="footer__sep" aria-hidden="true"> · </span></span>
         <span class="footer__chunk footer__chunk--main">{{i18n:footer.credit}}</span>
         <span class="footer__chunk footer__chunk--meta footer__attr"><span class="footer__sep" aria-hidden="true"> · </span><a href="{{pagePrefix}}cases/design-system/">{{i18n:footer.designSystem}}</a><span class="footer__sep" aria-hidden="true"> · </span><a href="{{pagePrefix}}cookie-policy/">{{i18n:footer.cookiePolicy}}</a></span>
+        <span class="footer__chunk footer__chunk--lang"><span class="footer__sep" aria-hidden="true"> · </span>{{> lang-switch}}</span>
       </div>
     </footer>
diff --git a/src/partials/header-case.html b/src/partials/header-case.html
index 5eb8f91..53ff647 100644
--- a/src/partials/header-case.html
+++ b/src/partials/header-case.html
@@ -6,7 +6,6 @@
           <nav class="nav" aria-label="{{i18n:nav.aria}}">
             <a href="#contact">{{i18n:nav.contact}}</a>
           </nav>
-          {{> lang-switch}}
         </div>
       </div>
     </header>
diff --git a/src/partials/header-home.html b/src/partials/header-home.html
index 53b7dd8..73564c4 100644
--- a/src/partials/header-home.html
+++ b/src/partials/header-home.html
@@ -20,7 +20,6 @@
             </button>
             <div id="nav-more-menu-dock" class="nav-more__dock" hidden data-nav-more-menu></div>
           </div>
-          {{> lang-switch}}
         </div>
       </div>
     </header>
diff --git a/src/partials/header-minimal.html b/src/partials/header-minimal.html
index 24acaef..ef0c64c 100644
--- a/src/partials/header-minimal.html
+++ b/src/partials/header-minimal.html
@@ -7,7 +7,6 @@
           <nav class="nav" aria-label="{{i18n:nav.aria}}">
             <a href="{{pagePrefix}}">{{i18n:back.home}}</a>
           </nav>
-          {{> lang-switch}}
         </div>
       </div>
     </header>