diff --git a/app/components/AppFooter.vue b/app/components/AppFooter.vue
index fd52e68..8b064d0 100644
--- a/app/components/AppFooter.vue
+++ b/app/components/AppFooter.vue
@@ -7,9 +7,9 @@ const props = withDefaults(defineProps<{
 const { toLocalized } = useLocalizedNavigation()
 
 const footerLinks = [
-  { label: 'Главная', to: '/' },
-  { label: 'Заказы', to: '/clientarea/orders' },
-  { label: 'Кабинет', to: '/clientarea/profile' },
+  { label: 'Home', to: '/' },
+  { label: 'Orders', to: '/clientarea/orders' },
+  { label: 'Profile', to: '/clientarea/profile' },
 ]
 
 const socialLinks = [
@@ -37,9 +37,9 @@ const currentYear = new Date().getFullYear()
           : 'border-white/20 bg-[rgba(11,24,42,0.26)] [backdrop-filter:blur(6px)]'"
       >
         <div>
-          <h2 class="m-0 text-[clamp(1.6rem,3.4vw,2.6rem)] font-black leading-[1.08]">Готовы к следующей поставке?</h2>
+          <h2 class="m-0 text-[clamp(1.6rem,3.4vw,2.6rem)] font-black leading-[1.08]">Ready for your next shipment?</h2>
           <p class="mt-3 max-w-[720px] leading-6 text-white/85">
-            Получайте предложения в реальном времени, сравнивайте условия и запускайте закупку прямо в Optovia.
+            Get live offers, compare terms, and launch procurement directly in Optovia.
           </p>
         </div>
 
@@ -75,7 +75,7 @@ const currentYear = new Date().getFullYear()
       </div>
 
       <div class="mt-4 px-1 text-[0.78rem] text-white/70">
-        <p>&copy; {{ currentYear }} Optovia. Все права защищены.</p>
+        <p>&copy; {{ currentYear }} Optovia. All rights reserved.</p>
       </div>
     </div>
   </footer>
diff --git a/app/components/AppHeader.vue b/app/components/AppHeader.vue
index 1e47093..b7206c0 100644
--- a/app/components/AppHeader.vue
+++ b/app/components/AppHeader.vue
@@ -18,16 +18,22 @@ const emit = defineEmits<{
 }>()
 
 const route = useRoute()
+const { t } = useI18n()
 const auth = useAuth()
 const { basePath, isBasePathActive, navigateToLocalized, toLocalized } = useLocalizedNavigation()
 const { draft: calcDraft, hydrateFromQuery, buildQuery: buildCalcQuery } = useCalcSearchDraft()
 const isLandingPage = computed(() => basePath.value === '/')
-const isAuthPage = computed(() => basePath.value === '/auth' || route.path === '/sign-in' || basePath.value === '/callback')
+const isAuthPage = computed(() =>
+  basePath.value === '/auth'
+  || basePath.value === '/sign-in'
+  || basePath.value === '/sign-out'
+  || basePath.value === '/callback'
+)
 const isCalcPage = computed(() => basePath.value.startsWith('/catalog'))
 const isManagerStagePage = computed(() => basePath.value.startsWith('/manager'))
 const isDarkHeaderScene = computed(() => isLandingPage.value || isManagerStagePage.value)
 const isAuthenticated = computed(() => props.isAuthenticated || auth.isAuthenticated.value)
-const profileLabel = computed(() => props.profileLabel || (auth.user.value?.id ?? 'Профиль'))
+const profileLabel = computed(() => props.profileLabel || (auth.user.value?.id ?? t('ui.profile')))
 const showLogistics = computed(() => props.showLogistics || Boolean((auth.user.value as any)?.isAdmin))
 const landingSearchScrollY = ref(0)
 const landingSearchTopStart = ref(450)
@@ -71,9 +77,16 @@ const showAdminDock = computed(() => Boolean(showLogistics.value) && !isAuthPage
 // Fullscreen menu
 const isMenuOpen = ref(false)
 const menuLinks = computed(() => {
-  return [
-    { label: 'Мои заказы', to: '/clientarea/orders', icon: 'orders' },
+  const links: Array<{ label: string; to: string; icon: string }> = [
+    { label: 'Optovia', to: '/', icon: 'map' },
+    { label: t('ui.calculate'), to: '/catalog', icon: 'map' },
   ]
+
+  if (isAuthenticated.value) {
+    links.push({ label: t('ui.profile'), to: '/clientarea/profile', icon: 'referral' })
+  }
+
+  return links
 })
 
 watch(() => route.fullPath, () => {
diff --git a/app/composables/useAuth.ts b/app/composables/useAuth.ts
index c31fa0e..163929d 100644
--- a/app/composables/useAuth.ts
+++ b/app/composables/useAuth.ts
@@ -48,12 +48,20 @@ export const useAuth = () => {
   }
 
   const signIn = async (_redirectUri?: string) => {
+    if (import.meta.client) {
+      window.location.assign('/sign-in')
+      return
+    }
     await navigateTo('/sign-in', { external: true })
   }
 
   const login = signIn
 
   const signOut = async (_logoutRedirectUri?: string) => {
+    if (import.meta.client) {
+      window.location.assign('/sign-out')
+      return
+    }
     await navigateTo('/sign-out', { external: true })
   }
 
diff --git a/app/middleware/auth-oidc.ts b/app/middleware/auth-oidc.ts
index 84f11c1..d7e2d23 100644
--- a/app/middleware/auth-oidc.ts
+++ b/app/middleware/auth-oidc.ts
@@ -1,11 +1,13 @@
 export default defineNuxtRouteMiddleware(async (to) => {
+  const basePath = stripLocalePrefix(to.path, ['ru', 'en'])
+
   // Skip auth routes handled by @logto/nuxt
-  if (to.path === '/sign-in' || to.path === '/sign-out' || to.path === '/callback') {
+  if (basePath === '/sign-in' || basePath === '/sign-out' || basePath === '/callback') {
     return
   }
 
   // Skip public auth paths
-  if (to.path.startsWith('/auth/')) {
+  if (basePath.startsWith('/auth/')) {
     return
   }
 
diff --git a/app/pages/index.vue b/app/pages/index.vue
index 630e8bb..18d1f76 100644
--- a/app/pages/index.vue
+++ b/app/pages/index.vue
@@ -141,7 +141,7 @@ const testimonials = computed(() => isEn.value
 const leadTestimonial = computed(() => testimonials.value[0] ?? null)
 const sideTestimonials = computed(() => testimonials.value.slice(1))
 
-const ctaTitle = computed(() => isEn.value ? 'Scale your sourcing flow with Optovia' : 'Масштабируйте закупочный поток вместе с Optovia')
+const ctaTitle = computed(() => isEn.value ? 'Scale your procurement flow with Optovia' : 'Масштабируйте поток закупок вместе с Optovia')
 const ctaText = computed(() => isEn.value
   ? 'Move from fragmented tools to one coherent workflow.'
   : 'Перейдите от разрозненных инструментов к единому рабочему контуру.')
diff --git a/server/middleware/00-logto.ts b/server/middleware/00-logto.ts
index 7a8c533..7972337 100644
--- a/server/middleware/00-logto.ts
+++ b/server/middleware/00-logto.ts
@@ -23,6 +23,28 @@ const RESOURCES = [
   'https://billing.optovia.ru'
 ]
 
+const LOCALE_CODES = ['ru', 'en'] as const
+
+function resolveLocalizedPath(pathname: string) {
+  const trimmed = pathname === '/' ? '/' : pathname.replace(/\/+$/, '') || '/'
+  const segments = trimmed.split('/').filter(Boolean)
+  const firstSegment = segments[0]
+
+  if (firstSegment && LOCALE_CODES.includes(firstSegment as (typeof LOCALE_CODES)[number])) {
+    const normalized = `/${segments.slice(1).join('/')}` || '/'
+    const normalizedPath = normalized === '//' ? '/' : normalized
+    return {
+      localePrefix: `/${firstSegment}`,
+      normalizedPath: normalizedPath || '/',
+    }
+  }
+
+  return {
+    localePrefix: '',
+    normalizedPath: trimmed,
+  }
+}
+
 const createSessionWrapper = (event: H3Event) => {
   const storage = useStorage('logto')
   let currentSessionId = ''
@@ -60,16 +82,19 @@ const createSessionWrapper = (event: H3Event) => {
 }
 
 export default defineEventHandler(async (event) => {
-  const endpoint = process.env.NUXT_LOGTO_ENDPOINT || 'https://auth.optovia.ru'
-  const appId = process.env.NUXT_LOGTO_APP_ID || ''
-  const appSecret = process.env.NUXT_LOGTO_APP_SECRET || ''
+  const endpoint = process.env.NUXT_LOGTO_ENDPOINT || process.env.LOGTO_ENDPOINT || 'https://auth.optovia.ru'
+  const appId = process.env.NUXT_LOGTO_APP_ID || process.env.LOGTO_APP_ID || process.env.LOGTO_CLIENT_ID || ''
+  const appSecret = process.env.NUXT_LOGTO_APP_SECRET || process.env.LOGTO_APP_SECRET || process.env.LOGTO_CLIENT_SECRET || ''
+  const url = getRequestURL(event)
+  const { localePrefix, normalizedPath } = resolveLocalizedPath(url.pathname)
 
   if (!appId || !appSecret) {
+    if (normalizedPath === '/sign-in' || normalizedPath === '/sign-out' || normalizedPath === '/callback') {
+      await sendRedirect(event, localePrefix || '/', 302)
+    }
     return
   }
 
-  const url = getRequestURL(event)
-
   if (getCookie(event, LEGACY_COOKIE_NAME)) {
     setCookie(event, LEGACY_COOKIE_NAME, '', { path: '/', maxAge: 0 })
   }
@@ -113,21 +138,23 @@ export default defineEventHandler(async (event) => {
     }
   )
 
-  if (url.pathname === '/sign-in') {
+  if (normalizedPath === '/sign-in') {
+    const callbackPath = `${localePrefix}/callback`
     await logto.signIn({
-      redirectUri: new URL('/callback', url).href
+      redirectUri: new URL(callbackPath || '/callback', url).href
     })
     return
   }
 
-  if (url.pathname === '/sign-out') {
-    await logto.signOut(new URL('/', url).href)
+  if (normalizedPath === '/sign-out') {
+    const homePath = localePrefix || '/'
+    await logto.signOut(new URL(homePath, url).href)
     return
   }
 
-  if (url.pathname === '/callback') {
+  if (normalizedPath === '/callback') {
     await logto.handleSignInCallback(url.href)
-    await sendRedirect(event, '/', 302)
+    await sendRedirect(event, localePrefix || '/', 302)
     return
   }