Initial commit: Сисадмингрупп website

React + Vite + Tailwind, RU/EN, Hero/Services/About/Contact sections

src/contexts/LanguageContext.jsx

@@ -0,0 +1,37 @@
+import React, { createContext, useContext, useState } from 'react'
+import { ru, en } from '../translations/index.js'
+
+const translations = { ru, en }
+
+const LanguageContext = createContext(null)
+
+export function LanguageProvider({ children }) {
+  const [lang, setLang] = useState(() => {
+    return localStorage.getItem('lang') || 'ru'
+  })
+
+  const toggle = () => {
+    const next = lang === 'ru' ? 'en' : 'ru'
+    setLang(next)
+    localStorage.setItem('lang', next)
+  }
+
+  const t = (key) => {
+    const keys = key.split('.')
+    let value = translations[lang]
+    for (const k of keys) {
+      value = value?.[k]
+    }
+    return value ?? key
+  }
+
+  return (
+    <LanguageContext.Provider value={{ lang, toggle, t }}>
+      {children}
+    </LanguageContext.Provider>
+  )
+}
+
+export function useLanguage() {
+  return useContext(LanguageContext)
+}