i18n: add landing page translations (en/ru)

Added/updated translations for:
- howto: step labels
- stats: suppliers desc, countries
- testimonial: quote, author, role
- roles: subtitle, updated benefits
- cta: register, demo buttons
- footer: all countries, offices, products, services, legal

i18n/locales/en/cta.json

@@ -1,8 +1,10 @@
 {
   "cta": {
-    "title": "Ready to Start Trading?",
-    "description": "Join thousands of companies already using Optovia for their deals",
+    "title": "Ready to Get Started?",
+    "description": "Join hundreds of companies already trading on Optovia",
     "start_selling": "Start Selling",
-    "start_buying": "Start Buying"
+    "start_buying": "Start Buying",
+    "register": "Register",
+    "demo": "Request Demo"
   }
 }

i18n/locales/en/footer.json

@@ -1,11 +1,68 @@
 {
   "footer": {
+    "description": "Global B2B platform for raw materials and agricultural commodities trading. Connecting producers and buyers worldwide.",
     "buyers": "For Buyers",
     "suppliers": "For Suppliers",
     "services": "For Service Companies",
-    "rights": "All rights reserved",
+    "rights": "All rights reserved.",
     "privacy": "Privacy Policy",
-    "terms": "Terms of Service",
-    "support": "Support"
+    "terms": "Terms",
+    "support": "Support",
+    "secure": "Secure Transactions",
+    "verified": "Verification",
+
+    "europe": "Europe",
+    "germany": "Germany",
+    "france": "France",
+    "netherlands": "Netherlands",
+    "poland": "Poland",
+    "spain": "Spain",
+
+    "cis": "CIS",
+    "russia": "Russia",
+    "kazakhstan": "Kazakhstan",
+    "uzbekistan": "Uzbekistan",
+    "belarus": "Belarus",
+    "azerbaijan": "Azerbaijan",
+
+    "asia": "Asia",
+    "china": "China",
+    "india": "India",
+    "turkey": "Turkey",
+    "uae": "UAE",
+    "saudi": "Saudi Arabia",
+
+    "americas": "Americas & Africa",
+    "usa": "USA",
+    "brazil": "Brazil",
+    "argentina": "Argentina",
+    "southafrica": "South Africa",
+    "egypt": "Egypt",
+
+    "offices": "Our Offices",
+    "hq": "Headquarters",
+    "europeOffice": "Europe",
+    "cisOffice": "CIS",
+
+    "products": "Products",
+    "grains": "Grains",
+    "oilseeds": "Oilseeds",
+    "sugar": "Sugar",
+    "fertilizers": "Fertilizers",
+
+    "logistics": "Logistics",
+    "insurance": "Insurance",
+    "financing": "Financing",
+    "inspection": "Inspection",
+
+    "company": "Company",
+    "about": "About Us",
+    "careers": "Careers",
+    "press": "Press",
+    "contact": "Contact",
+
+    "legal": "Legal",
+    "cookies": "Cookies",
+    "compliance": "Compliance"
   }
 }

i18n/locales/en/howto.json

@@ -1,6 +1,7 @@
 {
   "howto": {
     "title": "How It Works",
+    "step": "Step",
     "step1": {
       "title": "Find Materials",
       "description": "Select the raw materials you need, specify quantity and delivery location"

i18n/locales/en/roles.json

@@ -1,11 +1,12 @@
 {
   "roles": {
     "title": "Who Our Platform Is For",
+    "subtitle": "Platform for all agricultural commodity market participants",
     "producers": {
       "title": "Producers",
       "description": "Sell raw materials directly to buyers through our platform",
-      "benefit1": "Sales bulletin board",
-      "benefit2": "Auction tender participation",
+      "benefit1": "Direct access to buyers",
+      "benefit2": "Transparent pricing",
       "benefit3": "Access to financing",
       "benefit4": "Logistics solutions",
       "cta": "Start Selling"

i18n/locales/en/stats.json

@@ -2,8 +2,10 @@
   "stats": {
     "title": "Optovia in Numbers",
     "suppliers": "Suppliers",
+    "suppliersDesc": "Verified producers from Russia, Kazakhstan and other CIS countries",
     "transactions": "Transaction Volume",
     "service_companies": "Service Companies",
-    "support": "Support"
+    "support": "Support",
+    "countries": "Countries of Presence"
   }
 }

i18n/locales/en/testimonials.json

@@ -1,5 +1,10 @@
 {
   "testimonials": {
     "title": "Client Testimonials"
+  },
+  "testimonial": {
+    "quote": "Optovia helped us find reliable suppliers in just days. It used to take months.",
+    "author": "Alexey Petrov",
+    "role": "Procurement Director, AgroHolding"
   }
 }