diff --git a/banquise-website/src/components/layout/MobileMenu.tsx b/banquise-website/src/components/layout/MobileMenu.tsx
index a6565d0..d441bee 100644
--- a/banquise-website/src/components/layout/MobileMenu.tsx
+++ b/banquise-website/src/components/layout/MobileMenu.tsx
@@ -21,79 +21,143 @@ export const MobileMenu: React.FC<MobileMenuProps> = ({ isOpen, onClose }) => {
 
   return (
     <div className={`md:hidden fixed inset-0 z-40 transition-all duration-300 ${isOpen ? 'visible' : 'invisible'}`}>
-      {/* Overlay sombre */}
+      {/* Overlay amélioré */}
       <div 
-        className={`absolute inset-0 bg-black/70 backdrop-blur-sm transition-opacity duration-300 ${isOpen ? 'opacity-100' : 'opacity-0'}`}
+        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 simplifié */}
-      <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 to-banquise-blue-dark/98 backdrop-blur-xl shadow-2xl transition-transform duration-300 ${isOpen ? 'translate-x-0' : 'translate-x-full'}`}>
+      {/* Menu mobile moderne */}
+      <div className={`absolute top-0 right-0 h-full w-80 max-w-[90vw] 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 minimaliste */}
-        <div className="flex items-center justify-between p-6 border-b border-white/10">
-          <div className="flex items-center">
-            <img 
-              src="/src/assets/banquise.png" 
-              alt="Logo" 
-              className="h-8 w-auto mr-3" 
-              style={{ filter: 'drop-shadow(0 0 8px rgba(168, 218, 255, 0.4))' }} 
-            />
-            <span className="text-lg font-bold text-white font-heading">
-              La Banquise
-            </span>
+        {/* Header moderne */}
+        <div className="flex items-center justify-between p-6 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">
+              <div className="absolute inset-0 bg-banquise-blue-light/20 rounded-full blur-md"></div>
+              <img 
+                src="/src/assets/banquise.png" 
+                alt="Logo" 
+                className="h-10 w-auto relative z-10" 
+                style={{ filter: 'drop-shadow(0 0 8px rgba(168, 218, 255, 0.6))' }} 
+              />
+            </div>
+            <div>
+              <span className="text-lg font-bold text-white font-heading">
+                La Banquise
+              </span>
+              <p className="text-banquise-blue-lightest/70 text-xs">Menu Navigation</p>
+            </div>
           </div>
           
           <button 
-            className="bg-white/10 hover:bg-white/20 border-0 cursor-pointer p-3 text-white rounded-xl transition-all duration-200 hover:scale-105 active:scale-95"
+            className="group relative p-3 bg-white/10 hover:bg-white/20 rounded-xl transition-all duration-200 hover:scale-105 active:scale-95"
             onClick={onClose}
             aria-label="Fermer"
           >
-            <svg width="16" height="16" viewBox="0 0 16 16" fill="none">
-              <path d="M12 4L4 12M4 4L12 12" stroke="currentColor" strokeWidth="2" strokeLinecap="round"/>
+            <svg width="20" height="20" viewBox="0 0 20 20" fill="none" className="text-white">
+              <path d="M15 5L5 15M5 5L15 15" stroke="currentColor" strokeWidth="2" strokeLinecap="round"/>
             </svg>
           </button>
         </div>
 
-        {/* Boutons principaux - Centré et espacé */}
-        <div className="flex flex-col items-center justify-center h-full -mt-16 space-y-8 px-8">
+        {/* Navigation moderne */}
+        <div className="flex flex-col justify-center px-6 py-8 space-y-6">
           
-          {/* Bouton Discord */}
-          <a 
-            href="https://discord.gg/labanquise"
-            className="w-full max-w-xs flex items-center justify-center bg-gradient-to-r from-indigo-600 to-purple-600 text-white border-0 py-6 px-8 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 group"
-            onClick={onClose}
-          >
-            <div className="flex items-center">
-              <svg className="w-6 h-6 mr-3 group-hover:scale-110 transition-transform duration-200" 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"/>
+          {/* 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}
+            >
+              <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">
+                  <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>
+                </div>
+                <div>
+                  <span className="font-semibold text-lg">Nos Services</span>
+                  <p className="text-white/60 text-sm">Découvrir notre offre</p>
+                </div>
+              </div>
+              <svg className="w-5 h-5 ml-auto opacity-50 group-hover:opacity-100 group-hover:translate-x-1 transition-all duration-200" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 5l7 7-7 7" />
               </svg>
-              <span>Discord</span>
-            </div>
-          </a>
+            </a>
 
-          {/* Bouton Services */}
-          <a 
-            href="#services"
-            className="w-full max-w-xs flex items-center justify-center bg-gradient-to-r from-banquise-blue to-banquise-blue-light text-white border-0 py-6 px-8 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 group"
-            onClick={onClose}
-          >
-            <div className="flex items-center">
-              <svg className="w-6 h-6 mr-3 group-hover:scale-110 transition-transform duration-200" 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" />
+            <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}
+            >
+              <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">
+                  <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>
+                </div>
+                <div>
+                  <span className="font-semibold text-lg">À propos</span>
+                  <p className="text-white/60 text-sm">En savoir plus sur nous</p>
+                </div>
+              </div>
+              <svg className="w-5 h-5 ml-auto opacity-50 group-hover:opacity-100 group-hover:translate-x-1 transition-all duration-200" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 5l7 7-7 7" />
               </svg>
-              <span>Nos Services</span>
-            </div>
-          </a>
+            </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}
+            >
+              <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">
+                  <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-.03z"/>
+                  </svg>
+                </div>
+                <div>
+                  <span className="font-semibold text-lg">Discord</span>
+                  <p className="text-white/60 text-sm">Rejoindre la communauté</p>
+                </div>
+              </div>
+              <svg className="w-5 h-5 ml-auto opacity-50 group-hover:opacity-100 group-hover:translate-x-1 transition-all duration-200" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M10 6H6a2 2 0 00-2 2v10a2 2 0 002 2h10a2 2 0 002-2v-4M14 4h6m0 0v6m0-6L10 14" />
+              </svg>
+            </a>
+          </div>
+
+          {/* CTA Button */}
+          <div className="pt-6 border-t border-banquise-blue-lightest/20">
+            <a 
+              href="https://auth.la-banquise.fr"
+              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"
+              onClick={onClose}
+            >
+              <svg className="w-6 h-6 mr-3" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7z" />
+              </svg>
+              Se connecter
+            </a>
+          </div>
         </div>
 
-        {/* Footer minimaliste */}
-        <div className="absolute bottom-8 left-0 right-0 text-center">
-          <p className="text-white/60 text-sm">
-            © 2024 La Banquise
-          </p>
+        {/* Footer simplifié */}
+        <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
+            </p>
+          </div>
         </div>
+
+        {/* Effet glassmorphism */}
+        <div className="absolute inset-0 bg-gradient-to-b from-transparent via-transparent to-banquise-blue-dark/20 pointer-events-none"></div>
       </div>
     </div>
   );
diff --git a/banquise-website/src/components/layout/Navigation.tsx b/banquise-website/src/components/layout/Navigation.tsx
index cf96e65..66816a5 100644
--- a/banquise-website/src/components/layout/Navigation.tsx
+++ b/banquise-website/src/components/layout/Navigation.tsx
@@ -3,6 +3,18 @@ import { MobileMenu } from './MobileMenu';
 
 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;
+      setScrolled(isScrolled);
+    };
+
+    window.addEventListener('scroll', handleScroll);
+    return () => window.removeEventListener('scroll', handleScroll);
+  }, []);
 
   // Fermer le menu mobile quand on redimensionne la fenêtre
   useEffect(() => {
@@ -18,49 +30,118 @@ export const Navigation: React.FC = () => {
 
   return (
     <>
-      <nav className="flex justify-between items-center py-3 sm:py-4 px-4 sm:px-6 md:px-8 bg-banquise-blue-dark/95 text-white shadow-xl w-full box-border z-50 backdrop-blur-lg border-b border-banquise-blue-lightest/20 sticky top-0">
-        <div className="flex items-center">
-          <img 
-            src="/src/assets/banquise.png" 
-            alt="Logo La Banquise" 
-            className="h-8 sm:h-10 w-auto mr-3 sm:mr-4 drop-shadow-lg" 
-            style={{ filter: 'drop-shadow(0 0 8px rgba(168, 218, 255, 0.4))' }} 
-          />
-          <h1 className="text-lg sm:text-xl md:text-2xl font-bold m-0 text-white tracking-wide font-heading">
-            La Banquise
-          </h1>
-        </div>
-        
-        {/* Menu desktop */}
-        <div className="hidden md:flex items-center gap-3 sm:gap-4">
-          <a 
-            href="https://discord.gg/labanquise" 
-            className="flex items-center bg-gradient-to-r from-banquise-blue to-banquise-blue-light text-white border-0 py-2.5 sm:py-3 px-4 sm:px-6 rounded-xl cursor-pointer no-underline font-semibold tracking-wide shadow-lg transition-all duration-300 hover:shadow-xl hover:-translate-y-1 hover:scale-105 focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-white text-sm sm:text-base"
-          >
-            Discord
-          </a>
-          <a 
-            href="#login" 
-            className="flex items-center bg-banquise-blue-light/90 text-white border-0 py-2.5 sm:py-3 px-4 sm:px-6 rounded-xl cursor-pointer no-underline font-semibold tracking-wide shadow-lg transition-all duration-300 hover:bg-banquise-blue-light hover:-translate-y-1 hover:shadow-xl hover:scale-105 focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-white text-sm sm:text-base"
-          >
-            <span className="mr-2">👤</span>
-            <span className="hidden sm:inline">Connexion</span>
-          </a>
+      <nav className={`fixed top-0 left-0 right-0 z-50 transition-all duration-300 ${
+        scrolled 
+          ? '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">
+            
+            {/* Logo section */}
+            <div className="flex items-center space-x-3 sm:space-x-4 group">
+              <div className="relative">
+                <div className="absolute inset-0 bg-gradient-to-r from-banquise-blue-light/20 to-banquise-blue/20 rounded-full blur-lg opacity-0 group-hover:opacity-100 transition-opacity duration-300"></div>
+                <img 
+                  src="/src/assets/banquise.png" 
+                  alt="Logo La Banquise" 
+                  className="h-10 sm:h-12 lg:h-14 w-auto relative z-10 transition-transform duration-300 group-hover:scale-110" 
+                  style={{ filter: 'drop-shadow(0 0 12px rgba(168, 218, 255, 0.4))' }} 
+                />
+              </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>
+                <p className="text-banquise-blue-lightest/80 text-xs lg:text-sm font-medium">
+                  Communauté • Hébergement
+                </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"
+              >
+                <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"
+              >
+                <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>
+            </div>
+
+            {/* Action buttons desktop */}
+            <div className="hidden md:flex items-center space-x-3 lg:space-x-4">
+              <a 
+                href="https://discord.gg/labanquise"
+                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"
+              >
+                <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="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"/>
+                  </svg>
+                  <span>Discord</span>
+                </div>
+              </a>
+              
+              <a 
+                href="https://auth.la-banquise.fr"
+                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 ${
+                  scrolled 
+                    ? 'bg-gradient-to-r from-banquise-blue to-banquise-blue-light 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'
+                }`}
+              >
+                <div className={`absolute inset-0 transition-opacity duration-300 opacity-0 group-hover:opacity-100 ${
+                  scrolled 
+                    ? 'bg-gradient-to-r from-banquise-blue-light to-banquise-blue' 
+                    : 'bg-gradient-to-r from-white/10 to-banquise-blue-lightest/20'
+                }`}></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="none" stroke="currentColor" viewBox="0 0 24 24">
+                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7z" />
+                  </svg>
+                  <span className="hidden lg:inline">Connexion</span>
+                </div>
+              </a>
+            </div>
+
+            {/* Mobile menu button */}
+            <button 
+              className="md:hidden relative p-3 rounded-xl bg-white/10 hover:bg-white/20 transition-all duration-300 hover:scale-105 active:scale-95 group"
+              onClick={() => setMobileMenuOpen(!mobileMenuOpen)}
+              aria-label={mobileMenuOpen ? "Fermer le menu" : "Ouvrir le menu"}
+              aria-expanded={mobileMenuOpen}
+            >
+              <div className="w-6 h-6 relative">
+                <span className={`absolute block w-6 h-0.5 bg-white transition-all duration-300 ${mobileMenuOpen ? 'rotate-45 top-3' : 'top-1'}`}></span>
+                <span className={`absolute block w-6 h-0.5 bg-white transition-all duration-300 top-3 ${mobileMenuOpen ? 'opacity-0 scale-0' : 'opacity-100'}`}></span>
+                <span className={`absolute block w-6 h-0.5 bg-white transition-all duration-300 ${mobileMenuOpen ? '-rotate-45 top-3' : 'top-5'}`}></span>
+              </div>
+            </button>
+          </div>
         </div>
 
-        {/* Bouton hamburger mobile */}
-        <button 
-          className="md:hidden bg-transparent border-0 cursor-pointer p-2 z-50 w-12 h-12 relative touch-manipulation flex flex-col items-center justify-center rounded-lg hover:bg-banquise-blue/20 transition-colors duration-200"
-          onClick={() => setMobileMenuOpen(!mobileMenuOpen)}
-          aria-label={mobileMenuOpen ? "Fermer le menu" : "Ouvrir le menu"}
-          aria-expanded={mobileMenuOpen}
-        >
-          <span className={`block w-6 h-0.5 bg-white transition-all duration-300 ${mobileMenuOpen ? 'rotate-45 translate-y-1.5' : 'mb-1'}`}></span>
-          <span className={`block w-6 h-0.5 bg-white transition-all duration-300 ${mobileMenuOpen ? 'opacity-0 scale-0' : 'mb-1'}`}></span>
-          <span className={`block w-6 h-0.5 bg-white transition-all duration-300 ${mobileMenuOpen ? '-rotate-45 -translate-y-1.5' : ''}`}></span>
-        </button>
+        {/* Glassmorphism effect bar */}
+        <div className="absolute bottom-0 left-0 right-0 h-px bg-gradient-to-r from-transparent via-banquise-blue-lightest/30 to-transparent"></div>
       </nav>
 
+      {/* Spacer pour compenser la navbar fixed */}
+      <div className="h-16 sm:h-18 lg:h-20"></div>
+
       {/* Menu mobile */}
       <MobileMenu 
         isOpen={mobileMenuOpen} 
diff --git a/banquise-website/src/components/sections/AboutSection.tsx b/banquise-website/src/components/sections/AboutSection.tsx
index 41cdaee..343bd25 100644
--- a/banquise-website/src/components/sections/AboutSection.tsx
+++ b/banquise-website/src/components/sections/AboutSection.tsx
@@ -7,7 +7,7 @@ interface AboutSectionProps {
 }
 
 export const AboutSection: React.FC<AboutSectionProps> = ({ openAccordion, toggleAccordion }) => (
-  <section className="relative bg-gradient-to-b from-banquise-blue-dark/15 to-banquise-blue-dark/20 backdrop-blur-lg py-16 sm:py-20 md:py-24 px-4 sm:px-6 md:px-8 z-2 border-t border-banquise-blue-lightest/20 w-full box-border">
+  <section id="about" className="relative bg-gradient-to-b from-banquise-blue-dark/15 to-banquise-blue-dark/20 backdrop-blur-lg py-16 sm:py-20 md:py-24 px-4 sm:px-6 md:px-8 z-2 border-t border-banquise-blue-lightest/20 w-full box-border">
     <div className="max-w-4xl mx-auto">
       {/* Header */}
       <div className="text-center mb-12 sm:mb-16 md:mb-20">