feat: simplify navigation and add RU/EN home and contacts

- simplify main navigation and hide extra menu items
- make home page more sales-focused with updated hero, benefits and fleet teaser
- add RU/EN handling for home and contacts, including SEO defaults
- integrate basic Strapi homepage API client (no breaking changes)
- update contacts page with messenger buttons and dynamic footer year

Made-with: Cursor

components/Process.tsx

@@ -1,18 +1,48 @@
 import React from 'react';
 import { STEPS } from '../constants';
+import { useLocation } from 'react-router-dom';
 
 const Process: React.FC = () => {
+  const location = useLocation();
+  const isEnglish = location.pathname.startsWith('/en');
+
+  const steps = STEPS.map((step) => ({
+    ...step,
+    description: isEnglish
+      ? (() => {
+          switch (step.title) {
+            case 'Звонок':
+              return 'We get in touch with you, clarify all the details and agree on the price.';
+            case 'ТЗ':
+              return 'We prepare a technical assignment for our specialists.';
+            case 'Договор':
+              return 'We prepare all required documents and sign the contract.';
+            case 'Работа':
+              return 'We carry out on-site work and test collected samples.';
+            case 'Отчет':
+              return 'We prepare a technical report and hand over the full documentation package.';
+            case 'Финал':
+              return 'We present the report and provide recommendations.';
+            default:
+              return step.description;
+          }
+        })()
+      : step.description,
+  }));
+
   return (
     <div className="py-20 bg-brand-light">
       <div className="container mx-auto px-6">
-        <h2 className="text-4xl font-bold text-gray-900 mb-16 text-center">Как мы работаем</h2>
+        <h2 className="text-4xl font-bold text-gray-900 mb-16 text-center">
+          {isEnglish ? 'How we work' : 'Как мы работаем'}
+        </h2>
 
         <div className="relative max-w-6xl mx-auto">
           {/* Линия связи между шагами (только на больших экранах) */}
           <div className="hidden lg:block absolute top-9 left-0 right-0 h-1 bg-gradient-to-r from-brand-orange via-brand-orange/50 to-brand-orange" style={{ zIndex: 0 }} />
           
           <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-8 relative" style={{ zIndex: 1 }}>
-            {STEPS.map((step, idx) => (
+            {steps.map((step, idx) => (
               <div key={idx} className="relative">
                 {/* Номер шага */}
                 <div className="absolute -top-4 -left-4 w-10 h-10 bg-brand-orange text-white rounded-full flex items-center justify-center font-bold text-lg shadow-lg z-10 border-4 border-brand-light">