diff --git a/banquise-website/src/App.tsx b/banquise-website/src/App.tsx
index b7c4643..ecb8704 100644
--- a/banquise-website/src/App.tsx
+++ b/banquise-website/src/App.tsx
@@ -6,6 +6,7 @@ import { TechFeaturesSection } from './components/sections/TechFeaturesSection';
 import { ServicesSection } from './components/sections/ServicesSection';
 import { AboutSection } from './components/sections/AboutSection';
 import { Popup } from './components/ui/Popup';
+import { URLS } from './config/constants';
 
 // Define Service interface directly in App
 interface Service {
@@ -22,7 +23,7 @@ const App: React.FC = () => {
   const services: Service[] = [
     { 
       name: "Wiki", 
-      url: "https://wiki.la-banquise.fr", 
+      url: URLS.services.wiki, 
       image: "/src/assets/iceberg.png",
       icon: "📚",
       description: "Notre wiki collaboratif est votre centre de documentation technique. Accédez à des guides détaillés, des tutoriels et de la documentation API pour tous nos services.",
@@ -37,7 +38,7 @@ const App: React.FC = () => {
     },
     { 
       name: "Gitea", 
-      url: "https://git.la-banquise.fr", 
+      url: URLS.services.gitea, 
       image: "/src/assets/iceberg.png",
       icon: "🔧",
       description: "Instance Gitea auto-hébergée pour la gestion de vos dépôts Git. Collaborez sur vos projets avec un contrôle total sur votre code source.",
@@ -52,7 +53,7 @@ const App: React.FC = () => {
     },
     { 
       name: "Panel", 
-      url: "https://panel.la-banquise.fr", 
+      url: URLS.services.panel, 
       image: "/src/assets/iceberg.png",
       icon: "🎮",
       description: "Interface de gestion centralisée pour vos serveurs de jeux. Déployez, configurez et surveillez vos serveurs gaming en quelques clics.",
diff --git a/banquise-website/src/components/layout/Footer.tsx b/banquise-website/src/components/layout/Footer.tsx
index f430587..0072ea6 100644
--- a/banquise-website/src/components/layout/Footer.tsx
+++ b/banquise-website/src/components/layout/Footer.tsx
@@ -1,4 +1,5 @@
 import React from 'react';
+import { URLS, SITE_CONFIG } from '../../config/constants';
 
 export const Footer: React.FC = () => (
   <footer className="bg-banquise-blue-dark text-white py-12 sm:py-16 md:py-20 px-4 sm:px-6 md:px-8 relative z-10 border-t border-banquise-blue-lightest/20 w-full box-border">
@@ -9,17 +10,17 @@ export const Footer: React.FC = () => (
         </h4>
         <ul className="list-none p-0 m-0 space-y-2 sm:space-y-3">
           <li>
-            <a href="https://wiki.labanquise.org" className="text-banquise-gray/80 no-underline transition-all duration-200 inline-flex items-center hover:text-banquise-gray hover:translate-x-1 text-sm sm:text-base">
+            <a href={URLS.services.wiki} className="text-banquise-gray/80 no-underline transition-all duration-200 inline-flex items-center hover:text-banquise-gray hover:translate-x-1 text-sm sm:text-base">
               Wiki
             </a>
           </li>
           <li>
-            <a href="https://git.labanquise.org" className="text-banquise-gray/80 no-underline transition-all duration-200 inline-flex items-center hover:text-banquise-gray hover:translate-x-1 text-sm sm:text-base">
+            <a href={URLS.services.gitea} className="text-banquise-gray/80 no-underline transition-all duration-200 inline-flex items-center hover:text-banquise-gray hover:translate-x-1 text-sm sm:text-base">
               Gitea
             </a>
           </li>
           <li>
-            <a href="https://panel.labanquise.org" className="text-banquise-gray/80 no-underline transition-all duration-200 inline-flex items-center hover:text-banquise-gray hover:translate-x-1 text-sm sm:text-base">
+            <a href={URLS.services.panel} className="text-banquise-gray/80 no-underline transition-all duration-200 inline-flex items-center hover:text-banquise-gray hover:translate-x-1 text-sm sm:text-base">
               Panel
             </a>
           </li>
@@ -32,7 +33,7 @@ export const Footer: React.FC = () => (
         </h4>
         <ul className="list-none p-0 m-0 space-y-2 sm:space-y-3">
           <li>
-            <a href="https://discord.gg/labanquise" className="text-banquise-gray/80 no-underline transition-all duration-200 inline-flex items-center hover:text-banquise-gray hover:translate-x-1 text-sm sm:text-base">
+            <a href={URLS.social.discord} className="text-banquise-gray/80 no-underline transition-all duration-200 inline-flex items-center hover:text-banquise-gray hover:translate-x-1 text-sm sm:text-base">
               Discord
             </a>
           </li>
@@ -50,7 +51,7 @@ export const Footer: React.FC = () => (
             </a>
           </li>
           <li>
-            <a href="mailto:contact@la-banquise.fr" className="text-banquise-gray/80 no-underline transition-all duration-200 inline-flex items-center hover:text-banquise-gray hover:translate-x-1 text-sm sm:text-base">
+            <a href={URLS.contact.email} className="text-banquise-gray/80 no-underline transition-all duration-200 inline-flex items-center hover:text-banquise-gray hover:translate-x-1 text-sm sm:text-base">
               Contact
             </a>
           </li>
@@ -59,7 +60,7 @@ export const Footer: React.FC = () => (
     </div>
     
     <div className="border-t border-banquise-blue-lightest/20 pt-6 sm:pt-8 mt-8 sm:mt-12 text-center text-xs sm:text-sm text-banquise-gray/70 max-w-6xl mx-auto">
-      © 2024 La Banquise. Tous droits réservés.
+      © 2024 {SITE_CONFIG.name}. Tous droits réservés.
     </div>
   </footer>
 );
diff --git a/banquise-website/src/components/layout/Header.tsx b/banquise-website/src/components/layout/Header.tsx
deleted file mode 100644
index e69de29..0000000
diff --git a/banquise-website/src/components/layout/MobileMenu.tsx b/banquise-website/src/components/layout/MobileMenu.tsx
index c07830a..a233ef8 100644
--- a/banquise-website/src/components/layout/MobileMenu.tsx
+++ b/banquise-website/src/components/layout/MobileMenu.tsx
@@ -1,5 +1,7 @@
 import React, { useEffect } from 'react';
 import banquiseServer from '../../assets/banquise_server.svg'
+import { URLS, SITE_CONFIG } from '../../config/constants';
+import { commonStyles } from '../../styles/components';
 
 interface MobileMenuProps {
   isOpen: boolean;
@@ -7,7 +9,6 @@ interface MobileMenuProps {
 }
 
 export const MobileMenu: React.FC<MobileMenuProps> = ({ isOpen, onClose }) => {
-  // Empêcher le scroll du body quand le menu mobile est ouvert
   useEffect(() => {
     if (isOpen) {
       document.body.style.overflow = 'hidden';
@@ -22,16 +23,16 @@ export const MobileMenu: React.FC<MobileMenuProps> = ({ isOpen, onClose }) => {
 
   return (
     <div className={`md:hidden fixed inset-0 z-[100] transition-all duration-300 ${isOpen ? 'visible' : 'invisible'}`}>
-      {/* Overlay amélioré */}
+      {/* Overlay */}
       <div 
         className={`absolute inset-0 bg-gradient-to-br from-black/70 via-banquise-blue-dark/50 to-black/70 backdrop-blur-md transition-opacity duration-300 ${isOpen ? 'opacity-100' : 'opacity-0'}`}
         onClick={onClose}
       />
       
-      {/* Menu mobile moderne */}
+      {/* Menu mobile */}
       <div className={`absolute top-0 right-0 h-full w-72 max-w-[85vw] bg-gradient-to-b from-banquise-blue-dark via-banquise-blue-dark/98 to-banquise-blue-dark/95 backdrop-blur-2xl shadow-2xl transition-transform duration-300 border-l border-banquise-blue-lightest/20 ${isOpen ? 'translate-x-0' : 'translate-x-full'}`}>
         
-        {/* Header moderne - retirer le padding top excessif */}
+        {/* Header */}
         <div className="flex items-center justify-between p-4 sm:p-6 pt-6 sm:pt-8 border-b border-banquise-blue-lightest/20 bg-gradient-to-r from-banquise-blue-dark/50 to-transparent">
           <div className="flex items-center space-x-3">
             <div className="relative">
@@ -44,8 +45,8 @@ export const MobileMenu: React.FC<MobileMenuProps> = ({ isOpen, onClose }) => {
               />
             </div>
             <div>
-              <span className="text-base sm:text-lg font-bold text-white font-heading">
-                La Banquise
+              <span className={`text-base sm:text-lg font-bold text-white ${commonStyles.text.heading}`}>
+                {SITE_CONFIG.name}
               </span>
               <p className="text-banquise-blue-lightest/70 text-xs">Menu Navigation</p>
             </div>
@@ -62,18 +63,14 @@ export const MobileMenu: React.FC<MobileMenuProps> = ({ isOpen, onClose }) => {
           </button>
         </div>
 
-        {/* Navigation moderne */}
+        {/* Navigation */}
         <div className="flex flex-col justify-start px-6 py-8 space-y-6 overflow-y-auto" style={{ height: 'calc(100vh - 120px)' }}>
           
           {/* Navigation Links */}
           <div className="space-y-3">
-            <a 
-              href="#services"
-              className="group flex items-center p-4 text-white/90 hover:text-white no-underline rounded-2xl hover:bg-gradient-to-r hover:from-banquise-blue/20 hover:to-banquise-blue-light/20 transition-all duration-300 border border-transparent hover:border-banquise-blue-lightest/20"
-              onClick={onClose}
-            >
+            <a href="#services" className={commonStyles.nav.mobileItem} onClick={onClose}>
               <div className="flex items-center space-x-4">
-                <div className="w-10 h-10 bg-gradient-to-br from-banquise-blue to-banquise-blue-light rounded-xl flex items-center justify-center group-hover:scale-110 transition-transform duration-200">
+                <div className={`${commonStyles.icons.small} ${commonStyles.gradients.primaryBr} group-hover:scale-110 transition-transform duration-200`}>
                   <svg className="w-5 h-5 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                     <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 11H5m14 0a2 2 0 012 2v6a2 2 0 01-2 2H5a2 2 0 01-2-2v-6a2 2 0 012-2m14 0V9a2 2 0 00-2-2M5 11V9a2 2 0 012-2m0 0V5a2 2 0 012-2h6a2 2 0 012 2v2M7 7h10" />
                   </svg>
@@ -88,13 +85,9 @@ export const MobileMenu: React.FC<MobileMenuProps> = ({ isOpen, onClose }) => {
               </svg>
             </a>
 
-            <a 
-              href="#about"
-              className="group flex items-center p-4 text-white/90 hover:text-white no-underline rounded-2xl hover:bg-gradient-to-r hover:from-banquise-blue/20 hover:to-banquise-blue-light/20 transition-all duration-300 border border-transparent hover:border-banquise-blue-lightest/20"
-              onClick={onClose}
-            >
+            <a href="#about" className={commonStyles.nav.mobileItem} onClick={onClose}>
               <div className="flex items-center space-x-4">
-                <div className="w-10 h-10 bg-gradient-to-br from-banquise-blue to-banquise-blue-light rounded-xl flex items-center justify-center group-hover:scale-110 transition-transform duration-200">
+                <div className={`${commonStyles.icons.small} ${commonStyles.gradients.primaryBr} group-hover:scale-110 transition-transform duration-200`}>
                   <svg className="w-5 h-5 text-white" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                     <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
                   </svg>
@@ -109,15 +102,11 @@ export const MobileMenu: React.FC<MobileMenuProps> = ({ isOpen, onClose }) => {
               </svg>
             </a>
 
-            <a 
-              href="https://discord.gg/labanquise"
-              className="group flex items-center p-4 text-white/90 hover:text-white no-underline rounded-2xl hover:bg-gradient-to-r hover:from-indigo-600/20 hover:to-purple-600/20 transition-all duration-300 border border-transparent hover:border-indigo-400/20"
-              onClick={onClose}
-            >
+            <a href={URLS.social.discord} className={commonStyles.nav.mobileItem} onClick={onClose}>
               <div className="flex items-center space-x-4">
-                <div className="w-10 h-10 bg-gradient-to-br from-indigo-600 to-purple-600 rounded-xl flex items-center justify-center group-hover:scale-110 transition-transform duration-200">
+                <div className={`${commonStyles.icons.small} ${commonStyles.gradients.discord} group-hover:scale-110 transition-transform duration-200`}>
                   <svg className="w-5 h-5 text-white" fill="currentColor" viewBox="0 0 24 24">
-                    <path d="M20.317 4.37a19.791 19.791 0 0 0-4.885-1.515.074.074 0 0 0-.079.037c-.211.375-.445.864-.608 1.25a18.27 18.27 0 0 0-5.487 0 12.64 12.64 0 0 0-.617-1.25.077.077 0 0 0-.079-.037A19.736 19.736 0 0 0 3.677 4.37a.07.07 0 0 0-.032.027C.533 9.046-.32 13.58.099 18.057a.082.082 0 0 0 .031.057 19.9 19.9 0 0 0 5.993 3.03.078.078 0 0 0 .084-.028c.462-.63.874-1.295 1.226-1.994a.076.076 0 0 0-.041-.106 13.107 13.107 0 0 1-1.872-.892.077.077 0 0 1-.008-.128 10.2 10.2 0 0 0 .372-.292.074.074 0 0 1 .077-.01c3.928 1.793 8.18 1.793 12.062 0a.074.074 0 0 1 .078.01c.12.098.246.198.373.292a.077.077 0 0 1-.006.127 12.299 12.299 0 0 1-1.873.892.077.077 0 0 0-.041.107c.36.698.772 1.362 1.225 1.993a.076.076 0 0 0 .084.028 19.839 19.839 0 0 0 6.002-3.03.077.077 0 0 0 .032-.054c.5-5.177-.838-9.674-3.549-13.66a.061.061 0 0 0-.031-.03zM8.68 15.347c-1.182 0-2.157-.982-2.157-2.185 0-1.204.956-2.186 2.157-2.186 1.201 0 2.175.982 2.157 2.186 0 1.203-.956 2.185-2.157 2.185zm6.64 0c-1.182 0-2.157-.982-2.157-2.185 0-1.204.955-2.186 2.157-2.186 1.201 0 2.175.982 2.157 2.186 0 1.203-.956 2.185-2.157 2.185z"/>
+                    <path d="M20.317 4.37a19.791 19.791 0 0 0-4.885-1.515.074.074 0 0 0-.079.037c-.211.375-.445.864-.608 1.25a18.27 18.27 0 0 0-5.487 0 12.64 12.64 0 0 0-.617-1.25.077.077 0 0 0-.079-.037A19.736 19.736 0 0 0 3.677 4.37a.07.07 0 0 0-.032.027C.533 9.046-.32 13.58.099 18.057a.082.082 0 0 0 .031.057 19.9 19.9 0 0 0 5.993 3.03.078.078 0 0 0 .084-.028c.462-.63.874-1.295 1.226-1.994a.076.076 0 0 0-.041-.106 13.107 13.107 0 0 1-1.872-.892.077.077 0 0 1-.008-.128 10.2 10.2 0 0 0 .372-.292.074.074 0 0 1 .077-.01c3.928 1.793 8.18 1.793 12.062 0a.074.074 0 0 1 .078.01c.12.098.246.198.373.292a.077.077 0 0 1-.006.127 12.299 12.299 0 0 1-1.873.892.077.077 0 0 0-.041.107c.36.698.772 1.362 1.225 1.993a.076.076 0 0 0 .084.028 19.839 19.839 0 0 0 6.002-3.03.077.077 0 0 0 .032-.054c.5-5.177-.838-9.674-3.549-13.66a.061.061 0 0 0-.031-.03z"/>
                   </svg>
                 </div>
                 <div>
@@ -134,10 +123,10 @@ export const MobileMenu: React.FC<MobileMenuProps> = ({ isOpen, onClose }) => {
           {/* CTA Button */}
           <div className="pt-6 border-t border-banquise-blue-lightest/20">
             <a 
-              href="https://auth.la-banquise.fr"
+              href={URLS.services.auth}
               target="_blank"
               rel="noopener noreferrer"
-              className="w-full flex items-center justify-center bg-gradient-to-r from-banquise-blue to-banquise-blue-light text-white border-0 py-4 px-6 rounded-2xl cursor-pointer no-underline font-bold text-lg shadow-xl transition-all duration-300 hover:shadow-2xl hover:scale-105 active:scale-95 border border-banquise-blue-lightest/20"
+              className={`w-full ${commonStyles.buttons.primary} ${commonStyles.gradients.primary} py-4 px-6 text-lg shadow-xl border border-banquise-blue-lightest/20`}
               onClick={onClose}
             >
               <svg className="w-6 h-6 mr-3" fill="none" stroke="currentColor" viewBox="0 0 24 24">
@@ -148,11 +137,11 @@ export const MobileMenu: React.FC<MobileMenuProps> = ({ isOpen, onClose }) => {
           </div>
         </div>
 
-        {/* Footer simplifié - repositionné */}
+        {/* Footer */}
         <div className="absolute bottom-6 left-6 right-6">
           <div className="text-center py-4 border-t border-banquise-blue-lightest/20">
             <p className="text-white/50 text-sm">
-              © 2024 La Banquise
+              © 2024 {SITE_CONFIG.name}
             </p>
           </div>
         </div>
diff --git a/banquise-website/src/components/layout/Navigation.tsx b/banquise-website/src/components/layout/Navigation.tsx
index ed0fd67..70935b2 100644
--- a/banquise-website/src/components/layout/Navigation.tsx
+++ b/banquise-website/src/components/layout/Navigation.tsx
@@ -1,12 +1,13 @@
 import React, { useState, useEffect } from 'react';
 import { MobileMenu } from './MobileMenu';
 import banquiseServer from '/src/assets/banquise_server.svg'
+import { URLS, SITE_CONFIG } from '../../config/constants';
+import { commonStyles } from '../../styles/components';
 
 export const Navigation: React.FC = () => {
   const [mobileMenuOpen, setMobileMenuOpen] = useState(false);
   const [scrolled, setScrolled] = useState(false);
 
-  // Gérer l'effet de scroll sur la navbar
   useEffect(() => {
     const handleScroll = () => {
       const isScrolled = window.scrollY > 20;
@@ -17,7 +18,6 @@ export const Navigation: React.FC = () => {
     return () => window.removeEventListener('scroll', handleScroll);
   }, []);
 
-  // Fermer le menu mobile quand on redimensionne la fenêtre
   useEffect(() => {
     const handleResize = () => {
       if (window.innerWidth >= 768) {
@@ -36,8 +36,8 @@ export const Navigation: React.FC = () => {
           ? 'bg-banquise-blue-dark/98 backdrop-blur-xl shadow-2xl border-b border-banquise-blue-lightest/30' 
           : 'bg-banquise-blue-dark/95 backdrop-blur-lg shadow-xl border-b border-banquise-blue-lightest/20'
       }`}>
-        <div className="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8">
-          <div className="flex justify-between items-center h-16 sm:h-18 lg:h-20">
+        <div className={commonStyles.layout.container}>
+          <div className="flex justify-between items-center h-16 sm:h-18 lg:h-20 px-4 sm:px-6 lg:px-8">
             
             {/* Logo section */}
             <div className="flex items-center space-x-3 sm:space-x-4 group">
@@ -51,29 +51,23 @@ export const Navigation: React.FC = () => {
                 />
               </div>
               <div className="hidden sm:block">
-                <h1 className="text-xl sm:text-2xl lg:text-3xl font-bold text-white tracking-wide font-heading">
-                  La Banquise
+                <h1 className={`text-xl sm:text-2xl lg:text-3xl font-bold text-white tracking-wide ${commonStyles.text.heading}`}>
+                  {SITE_CONFIG.name}
                 </h1>
                 <p className="text-banquise-blue-lightest/80 text-xs lg:text-sm font-medium">
-                  Communauté • Hébergement
+                  {SITE_CONFIG.tagline}
                 </p>
               </div>
             </div>
 
             {/* Navigation links desktop */}
             <div className="hidden md:flex items-center space-x-1 lg:space-x-2">
-              <a 
-                href="#services"
-                className="px-4 lg:px-6 py-2.5 lg:py-3 text-white/90 hover:text-white font-medium text-sm lg:text-base rounded-xl transition-all duration-300 hover:bg-white/10 hover:backdrop-blur-sm relative group"
-              >
+              <a href="#services" className={commonStyles.nav.link}>
                 <span className="relative z-10">Services</span>
                 <div className="absolute inset-0 bg-gradient-to-r from-banquise-blue-light/20 to-banquise-blue/20 rounded-xl opacity-0 group-hover:opacity-100 transition-opacity duration-300"></div>
               </a>
               
-              <a 
-                href="#about"
-                className="px-4 lg:px-6 py-2.5 lg:py-3 text-white/90 hover:text-white font-medium text-sm lg:text-base rounded-xl transition-all duration-300 hover:bg-white/10 hover:backdrop-blur-sm relative group"
-              >
+              <a href="#about" className={commonStyles.nav.link}>
                 <span className="relative z-10">À propos</span>
                 <div className="absolute inset-0 bg-gradient-to-r from-banquise-blue-light/20 to-banquise-blue/20 rounded-xl opacity-0 group-hover:opacity-100 transition-opacity duration-300"></div>
               </a>
@@ -82,12 +76,12 @@ export const Navigation: React.FC = () => {
             {/* Action buttons desktop */}
             <div className="hidden md:flex items-center space-x-3 lg:space-x-4">
               <a 
-                href="https://discord.gg/labanquise"
+                href={URLS.social.discord}
                 target="_blank"
                 rel="noopener noreferrer"
-                className="group relative overflow-hidden px-4 lg:px-6 py-2.5 lg:py-3 bg-gradient-to-r from-indigo-600 to-purple-600 text-white font-semibold text-sm lg:text-base rounded-xl transition-all duration-300 hover:shadow-xl hover:shadow-indigo-500/25 hover:-translate-y-1 hover:scale-105"
+                className={`${commonStyles.buttons.discord} ${commonStyles.gradients.discord}`}
               >
-                <div className="absolute inset-0 bg-gradient-to-r from-indigo-500 to-purple-500 opacity-0 group-hover:opacity-100 transition-opacity duration-300"></div>
+                <div className={`absolute inset-0 ${commonStyles.gradients.discordHover} opacity-0 group-hover:opacity-100 transition-opacity duration-300`}></div>
                 <div className="relative z-10 flex items-center space-x-2">
                   <svg className="w-4 h-4 lg:w-5 lg:h-5" fill="currentColor" viewBox="0 0 24 24">
                     <path d="M20.317 4.37a19.791 19.791 0 0 0-4.885-1.515.074.074 0 0 0-.079.037c-.211.375-.445.864-.608 1.25a18.27 18.27 0 0 0-5.487 0 12.64 12.64 0 0 0-.617-1.25.077.077 0 0 0-.079-.037A19.736 19.736 0 0 0 3.677 4.37a.07.07 0 0 0-.032.027C.533 9.046-.32 13.58.099 18.057a.082.082 0 0 0 .031.057 19.9 19.9 0 0 0 5.993 3.03.078.078 0 0 0 .084-.028c.462-.63.874-1.295 1.226-1.994a.076.076 0 0 0-.041-.106 13.107 13.107 0 0 1-1.872-.892.077.077 0 0 1-.008-.128 10.2 10.2 0 0 0 .372-.292.074.074 0 0 1 .077-.01c3.928 1.793 8.18 1.793 12.062 0a.074.074 0 0 1 .078.01c.12.098.246.198.373.292a.077.077 0 0 1-.006.127 12.299 12.299 0 0 1-1.873.892.077.077 0 0 0-.041.107c.36.698.772 1.362 1.225 1.993a.076.076 0 0 0 .084.028 19.839 19.839 0 0 0 6.002-3.03.077.077 0 0 0 .032-.054c.5-5.177-.838-9.674-3.549-13.66a.061.061 0 0 0-.031-.03z"/>
@@ -97,12 +91,12 @@ export const Navigation: React.FC = () => {
               </a>
               
               <a 
-                href="https://auth.la-banquise.fr"
+                href={URLS.services.auth}
                 target="_blank"
                 rel="noopener noreferrer"
-                className={`group relative overflow-hidden px-4 lg:px-6 py-2.5 lg:py-3 text-white font-semibold text-sm lg:text-base rounded-xl transition-all duration-300 hover:shadow-xl hover:-translate-y-1 hover:scale-105 ${
+                className={`${commonStyles.buttons.auth} ${
                   scrolled 
-                    ? 'bg-gradient-to-r from-banquise-blue to-banquise-blue-light border border-banquise-blue-lightest/30 hover:shadow-banquise-blue/25' 
+                    ? `${commonStyles.gradients.primary} border border-banquise-blue-lightest/30 hover:shadow-banquise-blue/25` 
                     : 'bg-gradient-to-r from-banquise-blue-light to-banquise-blue border-2 border-white/20 hover:shadow-banquise-blue-light/25'
                 }`}
               >
diff --git a/banquise-website/src/components/sections/AboutSection.tsx b/banquise-website/src/components/sections/AboutSection.tsx
index 86e2bc1..e71693f 100644
--- a/banquise-website/src/components/sections/AboutSection.tsx
+++ b/banquise-website/src/components/sections/AboutSection.tsx
@@ -1,5 +1,7 @@
 import React from 'react';
 import { AccordionItem } from '../ui/AccordionItem';
+import { URLS } from '../../config/constants';
+import { commonStyles } from '../../styles/components';
 
 interface AboutSectionProps {
   openAccordion: string | null;
@@ -11,18 +13,18 @@ export const AboutSection: React.FC<AboutSectionProps> = ({ openAccordion, toggl
     <div className="max-w-4xl mx-auto">
       {/* Header */}
       <div className="text-center mb-12 sm:mb-16 md:mb-20">
-        <div className="w-20 h-1 bg-gradient-to-r from-banquise-blue-lightest to-banquise-blue mx-auto mb-6 sm:mb-8 rounded-full"></div>
-        <h2 className="text-banquise-gray text-2xl sm:text-3xl md:text-4xl mb-6 sm:mb-8 font-heading font-bold tracking-tight px-2" style={{ textShadow: '0 2px 4px rgba(0, 0, 0, 0.2)' }}>
+        <div className={commonStyles.layout.divider}></div>
+        <h2 className={`${commonStyles.text.headingXl} mb-6 sm:mb-8 px-2`} style={{ textShadow: '0 2px 4px rgba(0, 0, 0, 0.2)' }}>
           À Propos de La Banquise
         </h2>
-        <p className="text-banquise-gray/90 text-lg sm:text-xl max-w-3xl mx-auto leading-relaxed px-2" style={{ textShadow: '0 1px 2px rgba(0, 0, 0, 0.1)' }}>
+        <p className={`${commonStyles.text.muted} text-lg sm:text-xl max-w-3xl mx-auto px-2`} style={{ textShadow: '0 1px 2px rgba(0, 0, 0, 0.1)' }}>
           Une communauté passionnée qui propose des services d'hébergement et des outils collaboratifs pour les développeurs et les gamers.
         </p>
       </div>
 
       {/* FAQ Section */}
       <div className="space-y-4 sm:space-y-6">
-        <h3 className="text-xl sm:text-2xl font-bold text-banquise-gray mb-8 sm:mb-12 font-heading flex items-center justify-center px-2">
+        <h3 className={`${commonStyles.text.headingLg} mb-8 sm:mb-12 flex items-center justify-center px-2`}>
           <span className="text-2xl sm:text-3xl mr-3">❓</span>
           <span className="text-center">Questions Fréquentes</span>
         </h3>
@@ -33,11 +35,11 @@ export const AboutSection: React.FC<AboutSectionProps> = ({ openAccordion, toggl
           onToggle={() => toggleAccordion("mission")}
         >
           <div className="space-y-4">
-            <p className="text-banquise-gray/90 leading-relaxed">
+            <p className={commonStyles.text.muted}>
               Former les étudiants au déploiment et a la gestion d'une infra, et de maitriser des technologies entreprise grade.
               Cela permet de fournir une plateforme stable et accessible pour héberger vos projets, partager vos connaissances et jouer ensemble !
             </p>
-            <p className="text-banquise-gray/90 leading-relaxed">
+            <p className={commonStyles.text.muted}>
               Nous croyons en la puissance de la collaboration et mettons à disposition des outils modernes pour faciliter le travail en équipe.
             </p>
             <div className="flex flex-wrap gap-2 mt-4">
@@ -55,31 +57,31 @@ export const AboutSection: React.FC<AboutSectionProps> = ({ openAccordion, toggl
         >
           <div className="space-y-6">
             <div className="grid gap-4">
-              <div className="flex items-start space-x-4 p-4 bg-banquise-blue-dark/10 rounded-xl border border-banquise-blue-lightest/20">
-                <div className="w-10 h-10 bg-gradient-to-br from-banquise-blue to-banquise-blue-light rounded-lg flex items-center justify-center text-white font-bold">📚</div>
+              <div className={`flex items-start space-x-4 p-4 ${commonStyles.gradients.card} rounded-xl ${commonStyles.cards.base}`}>
+                <div className={`${commonStyles.icons.small} ${commonStyles.gradients.primaryBr} font-bold`}>📚</div>
                 <div>
                   <h4 className="font-semibold text-banquise-gray mb-1">Wiki</h4>
                   <p className="text-banquise-gray/80 text-sm">Documentation collaborative et guides détaillés</p>
                 </div>
               </div>
               
-              <div className="flex items-start space-x-4 p-4 bg-banquise-blue-dark/10 rounded-xl border border-banquise-blue-lightest/20">
-                <div className="w-10 h-10 bg-gradient-to-br from-banquise-blue to-banquise-blue-light rounded-lg flex items-center justify-center text-white font-bold">🔧</div>
+              <div className={`flex items-start space-x-4 p-4 ${commonStyles.gradients.card} rounded-xl ${commonStyles.cards.base}`}>
+                <div className={`${commonStyles.icons.small} ${commonStyles.gradients.primaryBr} font-bold`}>🔧</div>
                 <div>
                   <h4 className="font-semibold text-banquise-gray mb-1">Gitea</h4>
                   <p className="text-banquise-gray/80 text-sm">Gestion de versions Git auto-hébergée</p>
                 </div>
               </div>
               
-              <div className="flex items-start space-x-4 p-4 bg-banquise-blue-dark/10 rounded-xl border border-banquise-blue-lightest/20">
-                <div className="w-10 h-10 bg-gradient-to-br from-banquise-blue to-banquise-blue-light rounded-lg flex items-center justify-center text-white font-bold">🎮</div>
+              <div className={`flex items-start space-x-4 p-4 ${commonStyles.gradients.card} rounded-xl ${commonStyles.cards.base}`}>
+                <div className={`${commonStyles.icons.small} ${commonStyles.gradients.primaryBr} font-bold`}>🎮</div>
                 <div>
                   <h4 className="font-semibold text-banquise-gray mb-1">Panel de Jeux</h4>
                   <p className="text-banquise-gray/80 text-sm">Interface de gestion pour serveurs de jeux</p>
                 </div>
               </div>
             </div>
-            <p className="text-banquise-gray/90 leading-relaxed mt-4">
+            <p className={`${commonStyles.text.muted} mt-4`}>
               Tous nos services sont maintenus avec soin et régulièrement mis à jour pour garantir une expérience optimale.
             </p>
           </div>
@@ -91,11 +93,11 @@ export const AboutSection: React.FC<AboutSectionProps> = ({ openAccordion, toggl
           onToggle={() => toggleAccordion("community")}
         >
           <div className="space-y-6">
-            <p className="text-banquise-gray/90 leading-relaxed">
+            <p className={commonStyles.text.muted}>
               Rejoignez notre serveur Discord pour rejoindre l'asso, échanger avec nous, obtenir de l'aide et rester informé des dernières nouveautés !
             </p>
             
-            <div className="bg-gradient-to-r from-banquise-blue-dark/20 to-banquise-blue/10 rounded-2xl p-6 border border-banquise-blue-lightest/30">
+            <div className={`${commonStyles.cards.base} bg-gradient-to-r from-banquise-blue-dark/20 to-banquise-blue/10 rounded-2xl p-6`}>
               <h4 className="font-semibold text-banquise-gray mb-3 flex items-center">
                 <span className="text-xl mr-2">💬</span>
                 Comment rejoindre l'asso ?
@@ -107,8 +109,8 @@ export const AboutSection: React.FC<AboutSectionProps> = ({ openAccordion, toggl
               </ul>
               
               <a 
-                href="https://discord.gg/labanquise"
-                className="inline-flex items-center bg-gradient-to-r from-banquise-blue to-banquise-blue-light text-white border-0 py-3 px-6 rounded-xl no-underline font-bold transition-all duration-300 hover:shadow-lg hover:-translate-y-1 hover:scale-105"
+                href={URLS.social.discord}
+                className={`${commonStyles.buttons.primary} ${commonStyles.gradients.primary} py-3 px-6 rounded-xl`}
               >
                 <span className="mr-3 text-lg">🚀</span>
                 Rejoindre Discord
diff --git a/banquise-website/src/components/sections/HeroSection.tsx b/banquise-website/src/components/sections/HeroSection.tsx
index d9e5893..6d18ac1 100644
--- a/banquise-website/src/components/sections/HeroSection.tsx
+++ b/banquise-website/src/components/sections/HeroSection.tsx
@@ -15,9 +15,9 @@ export const HeroSection: React.FC = () => (
       Association d'hébergement et lab réseau pour tous les étudiants et associations de l'EPITA !
     </p>
     
-    <a href="#services" className="inline-flex items-center justify-center bg-gradient-to-r from-banquise-gray to-white text-banquise-blue-dark border-0 py-4 sm:py-5 px-8 sm:px-10 md:px-12 rounded-2xl text-base sm:text-lg font-bold no-underline shadow-xl transition-all duration-300 min-w-48 sm:min-w-56 md:min-w-64 hover:-translate-y-2 hover:shadow-2xl hover:scale-105 backdrop-blur-sm border border-banquise-blue-lightest/20 mx-4">
-      <span className="text-center">Découvrir nos services</span>
-      <span className="ml-2 sm:ml-3 text-lg sm:text-xl transition-transform duration-300 group-hover:translate-x-1">→</span>
+    <a href="#services" className="inline-flex items-center justify-center bg-gradient-to-r from-banquise-gray to-white text-banquise-blue-dark border-0 py-4 sm:py-5 px-8 sm:px-10 md:px-12 rounded-2xl text-base sm:text-lg font-bold no-underline shadow-xl transition-all duration-300 min-w-48 sm:min-w-56 md:min-w-64 hover:-translate-y-2 hover:shadow-2xl hover:scale-105 backdrop-blur-sm border border-banquise-blue-lightest/20 mx-4 group">
+      <span className="text-center text-banquise-blue-dark">Découvrir nos services</span>
+      <span className="ml-2 sm:ml-3 text-lg sm:text-xl transition-transform duration-300 group-hover:translate-x-1 text-banquise-blue-dark">→</span>
     </a>
   </section>
 );
diff --git a/banquise-website/src/components/ui/AccordionItem.tsx b/banquise-website/src/components/ui/AccordionItem.tsx
index ac36d0a..2f7fd4d 100644
--- a/banquise-website/src/components/ui/AccordionItem.tsx
+++ b/banquise-website/src/components/ui/AccordionItem.tsx
@@ -14,7 +14,7 @@ export const AccordionItem: React.FC<AccordionItemProps> = ({ title, children, i
       className="p-4 sm:p-6 md:p-8 cursor-pointer flex items-center justify-between font-semibold text-banquise-gray transition-all duration-200 text-base sm:text-lg select-none hover:bg-banquise-blue-dark/10 active:bg-banquise-blue-dark/15"
       onClick={onToggle}
     >
-      <span className="flex items-center flex-1 mr-4">{title}</span>
+      <span className="flex items-center flex-1 mr-4 font-heading">{title}</span>
       <span className={`text-xl sm:text-2xl transition-transform duration-300 text-banquise-blue-lightest flex-shrink-0 ${isOpen ? 'rotate-180' : ''}`}>
         ▼
       </span>
diff --git a/banquise-website/src/components/ui/Popup.tsx b/banquise-website/src/components/ui/Popup.tsx
index c88609a..4cd8f2c 100644
--- a/banquise-website/src/components/ui/Popup.tsx
+++ b/banquise-website/src/components/ui/Popup.tsx
@@ -1,4 +1,5 @@
 import React from 'react';
+import { URLS } from '../../config/constants';
 
 interface Service {
   name: string;
@@ -32,7 +33,7 @@ export const Popup: React.FC<PopupProps> = ({ service, onClose }) => (
             {service.icon}
           </div>
           <div className="text-center lg:text-left flex-1">
-            <h2 className="font-heading text-2xl sm:text-3xl lg:text-4xl mt-0 mb-3 lg:mb-4 leading-tight">
+            <h2 className="font-heading text-2xl sm:text-3xl lg:text-4xl mt-0 mb-3 lg:mb-4 leading-tight font-bold text-white">
               {service.name}
             </h2>
             <div className="text-white/90 text-base sm:text-lg lg:text-xl font-medium">
@@ -47,20 +48,20 @@ export const Popup: React.FC<PopupProps> = ({ service, onClose }) => (
         </div>
       </div>
 
-      {/* Content */}
-      <div className="p-6 sm:p-8">
+      {/* Content - Forcer le fond blanc */}
+      <div className="p-6 sm:p-8 bg-white">
         {/* Description */}
-        <h3 className="text-lg sm:text-xl lg:text-2xl font-bold text-banquise-blue-dark mb-4 lg:mb-6 font-heading flex items-center">
+        <h3 className="text-xl sm:text-2xl lg:text-3xl mb-4 lg:mb-6 text-banquise-blue-dark font-heading font-bold flex items-center">
           <span className="text-xl sm:text-2xl lg:text-3xl mr-3">📋</span>
           Description détaillée
         </h3>
         <div className="bg-gradient-to-br from-banquise-blue/5 to-banquise-blue-light/5 rounded-2xl p-4 lg:p-6 border border-banquise-blue/10 mb-8">
-          <p className="text-banquise-blue-dark/80 leading-relaxed text-base sm:text-lg lg:text-xl mb-4">
+          <p className="text-banquise-blue-dark/90 leading-relaxed text-base sm:text-lg lg:text-xl mb-4">
             {service.description}
           </p>
           <div className="grid grid-cols-1 sm:grid-cols-2 gap-4 mt-6">
             <div className="flex items-center p-3 bg-white/60 rounded-xl border border-banquise-blue/10">
-              <div className="w-10 h-10 bg-gradient-to-br from-green-500 to-green-600 rounded-lg flex items-center justify-center text-white mr-3">
+              <div className="w-10 h-10 bg-gradient-to-br from-banquise-blue to-banquise-blue-light rounded-lg flex items-center justify-center text-white mr-3">
                 ✓
               </div>
               <div>
@@ -80,8 +81,8 @@ export const Popup: React.FC<PopupProps> = ({ service, onClose }) => (
           </div>
         </div>
 
-        {/* Fonctionnalités en colonnes optimisées */}
-        <h3 className="text-lg sm:text-xl lg:text-2xl font-bold text-banquise-blue-dark mb-4 lg:mb-6 font-heading flex items-center">
+        {/* Fonctionnalités */}
+        <h3 className="text-xl sm:text-2xl lg:text-3xl mb-4 lg:mb-6 text-banquise-blue-dark font-heading font-bold flex items-center">
           <span className="text-xl sm:text-2xl lg:text-3xl mr-3">⚡</span>
           Fonctionnalités principales
         </h3>
@@ -96,7 +97,7 @@ export const Popup: React.FC<PopupProps> = ({ service, onClose }) => (
           ))}
         </div>
 
-        {/* Call to action simplifié */}
+        {/* Call to action */}
         <div className="pt-6 lg:pt-8 border-t border-banquise-blue/10">
           <a
             href={service.url}
@@ -109,12 +110,12 @@ export const Popup: React.FC<PopupProps> = ({ service, onClose }) => (
           </a>
           
           <p className="text-center text-sm text-banquise-blue-dark/60 mt-4">
-            Besoin d'aide ? Rejoignez notre <a href="https://discord.gg/labanquise" className="text-banquise-blue hover:text-banquise-blue-dark transition-colors duration-200 font-medium">Discord</a> pour obtenir du support
+            Besoin d'aide ? Rejoignez notre <a href={URLS.social.discord} className="text-banquise-blue hover:text-banquise-blue-dark transition-colors duration-200 font-medium">Discord</a> pour obtenir du support
           </p>
         </div>
       </div>
 
-      {/* Decorative elements optimisés */}
+      {/* Decorative elements */}
       <div className="absolute top-0 right-0 w-16 h-16 sm:w-24 sm:h-24 lg:w-32 lg:h-32 bg-banquise-blue-lightest/10 rounded-full -translate-y-8 translate-x-8 sm:-translate-y-12 sm:translate-x-12 lg:-translate-y-16 lg:translate-x-16 hidden sm:block"></div>
       <div className="absolute bottom-0 left-0 w-12 h-12 sm:w-16 sm:h-16 lg:w-24 lg:h-24 bg-banquise-blue/5 rounded-full translate-y-6 -translate-x-6 sm:translate-y-8 sm:-translate-x-8 lg:translate-y-12 lg:-translate-x-12 hidden sm:block"></div>
     </div>
diff --git a/banquise-website/src/config/constants.ts b/banquise-website/src/config/constants.ts
new file mode 100644
index 0000000..5a493bf
--- /dev/null
+++ b/banquise-website/src/config/constants.ts
@@ -0,0 +1,20 @@
+export const URLS = {
+  services: {
+    wiki: "https://wiki.la-banquise.fr",
+    gitea: "https://git.la-banquise.fr",
+    panel: "https://panel.la-banquise.fr",
+    auth: "https://auth.la-banquise.fr"
+  },
+  social: {
+    discord: "https://discord.gg/labanquise"
+  },
+  contact: {
+    email: "mailto:contact@la-banquise.fr"
+  }
+} as const;
+
+export const SITE_CONFIG = {
+  name: "La Banquise",
+  description: "Association d'hébergement et lab réseau pour tous les étudiants et associations de l'EPITA",
+  tagline: "Communauté • Hébergement"
+} as const;
diff --git a/banquise-website/src/styles/components.ts b/banquise-website/src/styles/components.ts
new file mode 100644
index 0000000..48fcabf
--- /dev/null
+++ b/banquise-website/src/styles/components.ts
@@ -0,0 +1,63 @@
+export const commonStyles = {
+  // Gradients
+  gradients: {
+    primary: "bg-gradient-to-r from-banquise-blue to-banquise-blue-light",
+    primaryBr: "bg-gradient-to-br from-banquise-blue to-banquise-blue-light",
+    card: "bg-gradient-to-br from-banquise-blue-dark/10 to-banquise-blue-dark/5",
+    cardHover: "hover:from-banquise-blue-dark/15 hover:to-banquise-blue-dark/8",
+    discord: "bg-gradient-to-r from-indigo-600 to-purple-600",
+    discordHover: "hover:from-indigo-500 hover:to-purple-500"
+  },
+
+  // Buttons
+  buttons: {
+    primary: "inline-flex items-center justify-center font-bold text-white border-0 rounded-2xl transition-all duration-300 hover:shadow-xl hover:-translate-y-1 hover:scale-105 active:scale-95",
+    discord: "group relative overflow-hidden px-4 lg:px-6 py-2.5 lg:py-3 text-white font-semibold text-sm lg:text-base rounded-xl transition-all duration-300 hover:shadow-xl hover:shadow-indigo-500/25 hover:-translate-y-1 hover:scale-105",
+    auth: "group relative overflow-hidden px-4 lg:px-6 py-2.5 lg:py-3 text-white font-semibold text-sm lg:text-base rounded-xl transition-all duration-300 hover:shadow-xl hover:-translate-y-1 hover:scale-105"
+  },
+
+  // Cards
+  cards: {
+    base: "backdrop-blur-lg rounded-2xl border border-banquise-blue-lightest/30 transition-all duration-300",
+    hover: "hover:shadow-xl hover:border-banquise-blue-lightest/50",
+    interactive: "cursor-pointer hover:-translate-y-4 hover:shadow-2xl active:scale-95"
+  },
+
+  // Text - Hiérarchie améliorée
+  text: {
+    heading: "font-heading font-bold tracking-tight",
+    // Titres principaux de section
+    headingXl: "text-3xl sm:text-4xl md:text-5xl text-banquise-gray font-heading font-bold tracking-tight",
+    headingLg: "text-2xl sm:text-3xl md:text-4xl text-banquise-gray font-heading font-bold tracking-tight",
+    headingMd: "text-xl sm:text-2xl md:text-3xl text-banquise-blue-dark font-heading font-bold tracking-tight",
+    headingSm: "text-lg sm:text-xl md:text-2xl text-banquise-blue-dark font-heading font-semibold tracking-tight",
+    // Sous-titres
+    subheading: "text-base sm:text-lg md:text-xl text-banquise-gray/90 font-medium leading-relaxed",
+    // Corps de texte
+    body: "text-sm sm:text-base md:text-lg text-banquise-blue-dark/90 leading-relaxed",
+    description: "text-banquise-gray/80 leading-relaxed",
+    muted: "text-banquise-gray/90 leading-relaxed",
+    // Texte sur fond sombre
+    lightHeading: "text-banquise-blue-lightest font-heading font-bold tracking-tight",
+    lightBody: "text-white/90 leading-relaxed"
+  },
+
+  // Layout
+  layout: {
+    section: "py-12 sm:py-16 md:py-20 w-full max-w-6xl mx-auto px-4 sm:px-6 md:px-8",
+    container: "max-w-6xl mx-auto",
+    divider: "w-20 h-1 bg-gradient-to-r from-banquise-blue-lightest to-banquise-blue mx-auto mb-6 sm:mb-8 rounded-full"
+  },
+
+  // Icons and decorative elements
+  icons: {
+    base: "w-16 h-16 sm:w-20 sm:h-20 lg:w-24 lg:h-24 rounded-2xl flex items-center justify-center text-3xl sm:text-4xl lg:text-5xl shadow-lg",
+    small: "w-10 h-10 rounded-lg flex items-center justify-center text-white"
+  },
+
+  // Navigation
+  nav: {
+    link: "px-4 lg:px-6 py-2.5 lg:py-3 text-white/90 hover:text-white font-medium text-sm lg:text-base rounded-xl transition-all duration-300 hover:bg-white/10 hover:backdrop-blur-sm relative group",
+    mobileItem: "group flex items-center p-4 text-white/90 hover:text-white no-underline rounded-2xl hover:bg-gradient-to-r hover:from-banquise-blue/20 hover:to-banquise-blue-light/20 transition-all duration-300 border border-transparent hover:border-banquise-blue-lightest/20"
+  }
+} as const;