fix: improve platform homepage pricing UI and restore footer links

- Fix toggle button alignment with consistent min-widths
- Add € currency signs to all prices
- Show all tier features with greyed unavailable ones
- Add multi-channel integration feature for Enterprise tier
- Change Contact Sales to mailto link (fixes 404)
- Restore footer CMS page links (About, FAQ, Contact)
- Add footer link translations for all 4 languages

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

static/locales/de.json

@@ -512,6 +512,7 @@
       "eu_vat_invoicing": "EU-MwSt-Rechnungen",
       "analytics_dashboard": "Analyse-Dashboard",
       "api_access": "API-Zugang",
+      "multi_channel": "Multi-Channel-Integration",
       "products": "Produkte",
       "team_member": "Teammitglied",
       "unlimited": "Unbegrenzt",
@@ -631,7 +632,10 @@
       "contact": "Kontakt",
       "copyright": "© {year} Wizamart. Entwickelt für den luxemburgischen E-Commerce.",
       "privacy": "Datenschutzerklärung",
-      "terms": "Nutzungsbedingungen"
+      "terms": "Nutzungsbedingungen",
+      "about": "Über uns",
+      "faq": "FAQ",
+      "contact_us": "Kontaktieren Sie uns"
     },
     "modern": {
       "badge_integration": "Offizielle Integration",

static/locales/en.json

@@ -512,6 +512,7 @@
       "eu_vat_invoicing": "EU VAT invoicing",
       "analytics_dashboard": "Analytics dashboard",
       "api_access": "API access",
+      "multi_channel": "Multi-channel integration",
       "products": "products",
       "team_member": "team member",
       "unlimited": "Unlimited",
@@ -631,7 +632,10 @@
       "contact": "Contact",
       "copyright": "© {year} Wizamart. Built for Luxembourg e-commerce.",
       "privacy": "Privacy Policy",
-      "terms": "Terms of Service"
+      "terms": "Terms of Service",
+      "about": "About Us",
+      "faq": "FAQ",
+      "contact_us": "Contact Us"
     },
     "modern": {
       "badge_integration": "Official Integration",

static/locales/fr.json

@@ -512,6 +512,7 @@
       "eu_vat_invoicing": "Facturation TVA UE",
       "analytics_dashboard": "Tableau de bord analytique",
       "api_access": "Accès API",
+      "multi_channel": "Intégration multi-canal",
       "products": "produits",
       "team_member": "membre d'équipe",
       "unlimited": "Illimité",
@@ -631,7 +632,10 @@
       "contact": "Contact",
       "copyright": "© {year} Wizamart. Conçu pour le e-commerce luxembourgeois.",
       "privacy": "Politique de confidentialité",
-      "terms": "Conditions d'utilisation"
+      "terms": "Conditions d'utilisation",
+      "about": "À propos",
+      "faq": "FAQ",
+      "contact_us": "Nous contacter"
     },
     "modern": {
       "badge_integration": "Intégration officielle",

static/locales/lb.json

@@ -512,6 +512,7 @@
       "eu_vat_invoicing": "EU TVA Rechnungen",
       "analytics_dashboard": "Analyse Dashboard",
       "api_access": "API Zougang",
+      "multi_channel": "Multi-Channel Integratioun",
       "products": "Produkter",
       "team_member": "Teammember",
       "unlimited": "Onbegrenzt",
@@ -631,7 +632,10 @@
       "contact": "Kontakt",
       "copyright": "© {year} Wizamart. Gemaach fir de lëtzebuergeschen E-Commerce.",
       "privacy": "Dateschutzrichtlinn",
-      "terms": "Notzungsbedéngungen"
+      "terms": "Notzungsbedéngungen",
+      "about": "Iwwer eis",
+      "faq": "FAQ",
+      "contact_us": "Kontaktéiert eis"
     },
     "modern": {
       "badge_integration": "Offiziell Integratioun",