diff --git a/app/page.tsx b/app/page.tsx
index 1a6d33f..cd0c8c9 100644
--- a/app/page.tsx
+++ b/app/page.tsx
@@ -5,11 +5,14 @@ import { useRouter } from "next/navigation"
 import Link from "next/link"
 import { Button } from "@/components/ui/button"
 import { Badge } from "@/components/ui/badge"
-import { Shield, ArrowRight, Key, Zap, Users, Globe, Database, Code, CheckCircle } from "lucide-react"
+import { ArrowRight, Key, Zap, Users, Globe, Database, Code, CheckCircle, Shield } from "lucide-react"
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card"
 import AuthModal from "@/components/4nk/AuthModal"
+import { Header, Footer } from "@/components/layout"
+import ProductCard from "@/components/ui/ProductCard"
+import { EXTERNAL_URLS, COMPANY_INFO } from "@/lib/constants"
 
-export const iframeUrl = 'https://dev3.4nkweb.com'
+export const iframeUrl = EXTERNAL_URLS.iframe
 
 export default function HomePage() {
   const [showAuthModal, setShowAuthModal] = useState(false)
@@ -28,25 +31,7 @@ export default function HomePage() {
 
   return (
     <div className="min-h-screen bg-gradient-to-br from-slate-50 to-blue-50 dark:from-gray-900 dark:to-gray-800 transition-colors duration-300">
-      {/* Header */}
-      <header className="border-b bg-white/80 dark:bg-gray-900/80 backdrop-blur-sm sticky top-0 z-50 transition-colors duration-300">
-        <div className="container mx-auto px-4 py-4 flex justify-between items-center">
-          <div className="flex items-center space-x-2">
-            <Shield className="h-8 w-8 text-blue-600 dark:text-blue-400" />
-            <span className="text-2xl font-bold text-gray-900 dark:text-gray-100">DocV</span>
-            <Badge variant="secondary" className="ml-2">By 4NK</Badge>
-          </div>
-          <nav className="hidden md:flex items-center space-x-6">
-            <Link href="#produit" className="text-gray-600 dark:text-gray-300 hover:text-blue-600 dark:hover:text-blue-400 transition-colors duration-300">Le produit</Link>
-            <Link href="#securite" className="text-gray-600 dark:text-gray-300 hover:text-blue-600 dark:hover:text-blue-400 transition-colors duration-300">Sécurité</Link>
-            <Link href="#tarifs" className="text-gray-600 dark:text-gray-300 hover:text-blue-600 dark:hover:text-blue-400 transition-colors duration-300">Tarifs</Link>
-            <Link href="/formation">
-              <Button variant="outline" className="dark:border-gray-700 dark:text-gray-200 dark:hover:bg-gray-800 transition-colors duration-300">Formation</Button>
-            </Link>
-            <Button onClick={() => setShowAuthModal(true)} className="dark:bg-blue-700 dark:hover:bg-blue-600 transition-colors duration-300">Connexion</Button>
-          </nav>
-        </div>
-      </header>
+      <Header onAuthClick={() => setShowAuthModal(true)} />
 
       {/* Hero Section */}
       <section className="py-20 px-4 bg-gradient-to-br from-slate-50 to-blue-50 dark:from-gray-900 dark:to-gray-800 transition-colors duration-300">
@@ -56,7 +41,7 @@ export default function HomePage() {
             <span className="text-blue-600 dark:text-blue-400">GED simple et souveraine</span>
           </h1>
           <p className="text-xl text-gray-600 dark:text-gray-300 mb-8 max-w-3xl mx-auto">
-            DocV propose une approche révolutionnaire de la gestion d'identité, garantissant sécurité, souveraineté et conformité dans la gestion de vos documents et processus métier.
+            {COMPANY_INFO.description}
           </p>
           <div className="flex flex-col sm:flex-row gap-4 justify-center">
             <Link href="">
@@ -89,43 +74,34 @@ export default function HomePage() {
         <div className="container mx-auto">
           <h2 className="text-4xl font-bold text-center mb-12 text-gray-900 dark:text-gray-100">Le produit</h2>
           <div className="grid md:grid-cols-2 lg:grid-cols-3 gap-8 mb-16">
-            {/* Card 1 */}
-            <Card className="border-2 border-gray-200 dark:border-gray-700 hover:border-blue-200 dark:hover:border-blue-400 transition-colors duration-300">
-              <CardHeader>
-                <Key className="h-12 w-12 text-blue-600 dark:text-blue-400 mb-4" />
-                <CardTitle className="dark:text-gray-100">Login cryptographique ultra-simplifié</CardTitle>
-              </CardHeader>
-              <CardContent>
-                <p className="text-gray-600 dark:text-gray-300 mb-4">Aucun mot de passe, aucun OTP, aucun mail, aucun code, aucune application.</p>
-                <p className="text-gray-600 dark:text-gray-300">Notifications transverses et temps réel sur l'avancement des traitements.</p>
-              </CardContent>
-            </Card>
-
-            {/* Card 2 */}
-            <Card className="border-2 border-gray-200 dark:border-gray-700 hover:border-blue-200 dark:hover:border-blue-400 transition-colors duration-300">
-              <CardHeader>
-                <Zap className="h-12 w-12 text-blue-600 dark:text-blue-400 mb-4" />
-                <CardTitle className="dark:text-gray-100">IA embarquée</CardTitle>
-              </CardHeader>
-              <CardContent>
-                <p className="text-gray-600 dark:text-gray-300 mb-4">OCR, classification et extraction avec IA locale.</p>
-                <p className="text-gray-600 dark:text-gray-300">L'IA, ses données et ses traitements restent locaux.</p>
-                <p className="text-gray-600 dark:text-gray-300 mt-2">Interface conversationnelle pour suivre les dossiers.</p>
-              </CardContent>
-            </Card>
-
-            {/* Card 3 */}
-            <Card className="border-2 border-gray-200 dark:border-gray-700 hover:border-blue-200 dark:hover:border-blue-400 transition-colors duration-300">
-              <CardHeader>
-                <Users className="h-12 w-12 text-blue-600 dark:text-blue-400 mb-4" />
-                <CardTitle className="dark:text-gray-100">Facilite l'usage quotidien</CardTitle>
-              </CardHeader>
-              <CardContent>
-                <p className="text-gray-600 dark:text-gray-300 mb-2">• Réduction massive des emails</p>
-                <p className="text-gray-600 dark:text-gray-300 mb-2">• Protection des identités et accès</p>
-                <p className="text-gray-600 dark:text-gray-300">• Traçabilité sur blockchain</p>
-              </CardContent>
-            </Card>
+            <ProductCard 
+              icon={Key}
+              title="Login cryptographique ultra-simplifié"
+              description={[
+                "Aucun mot de passe, aucun OTP, aucun mail, aucun code, aucune application.",
+                "Notifications transverses et temps réel sur l'avancement des traitements."
+              ]}
+            />
+            
+            <ProductCard 
+              icon={Zap}
+              title="IA embarquée"
+              description={[
+                "OCR, classification et extraction avec IA locale.",
+                "L'IA, ses données et ses traitements restent locaux.",
+                "Interface conversationnelle pour suivre les dossiers."
+              ]}
+            />
+            
+            <ProductCard 
+              icon={Users}
+              title="Facilite l'usage quotidien"
+              description={[
+                "• Réduction massive des emails",
+                "• Protection des identités et accès",
+                "• Traçabilité sur blockchain"
+              ]}
+            />
           </div>
 
           {/* Additional Features */}
@@ -488,51 +464,7 @@ export default function HomePage() {
       </section>
 
 
-      {/* Footer */}
-      <footer className="bg-gray-900 dark:bg-gray-900 text-white py-12 px-4 transition-colors">
-        <div className="container mx-auto">
-          <div className="grid md:grid-cols-2 gap-8">
-            <div>
-              <div className="flex items-center space-x-2 mb-4">
-                <Shield className="h-8 w-8 text-blue-400" />
-                <span className="text-2xl font-bold">DocV</span>
-                <Badge variant="secondary" className="ml-2">
-                  By 4NK
-                </Badge>
-              </div>
-              <p className="text-gray-400 dark:text-gray-300 mb-4">
-                4NK, pionnier du Web 5.0. Conçoit et développe des solutions de souveraineté.
-              </p>
-              <p className="text-gray-400 dark:text-gray-300">contact@docv.fr</p>
-            </div>
-
-            <div>
-              <h3 className="text-lg font-semibold mb-4 text-white dark:text-white">Navigation</h3>
-              <div className="space-y-2">
-                <Link href="#produit" className="block text-gray-400 dark:text-gray-300 hover:text-white transition-colors">
-                  Le produit
-                </Link>
-                <Link href="#securite" className="block text-gray-400 dark:text-gray-300 hover:text-white transition-colors">
-                  Sécurité
-                </Link>
-                <Link href="#tarifs" className="block text-gray-400 dark:text-gray-300 hover:text-white transition-colors">
-                  Tarifs
-                </Link>
-                <Link href="/formation" className="block text-gray-400 dark:text-gray-300 hover:text-white transition-colors">
-                  Formation
-                </Link>
-                <Link href="" onClick={() => setShowAuthModal(true)} className="block text-gray-400 dark:text-gray-300 hover:text-white transition-colors">
-                  Connexion
-                </Link>
-              </div>
-            </div>
-          </div>
-
-          <div className="border-t border-gray-800 dark:border-gray-700 mt-8 pt-8 text-center text-gray-400 dark:text-gray-300">
-            <p>&copy; 2025 4NK. Tous droits réservés.</p>
-          </div>
-        </div>
-      </footer>
+      <Footer onAuthClick={() => setShowAuthModal(true)} />
     </div>
   )
 }