diff --git a/lanro.eu/cv-roman-felden.html b/lanro.eu/cv-roman-felden.html
index 1c84055..ebea840 100644
--- a/lanro.eu/cv-roman-felden.html
+++ b/lanro.eu/cv-roman-felden.html
@@ -4,10 +4,26 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="description" content="CV de Roman Felden - Coordinateur sécurité et systèmes informatique à Grenoble">
+    <meta name="theme-color" content="#4f46e5">
+
+    <!-- Open Graph / Facebook -->
+    <meta property="og:type" content="website">
+    <meta property="og:url" content="https://lanro.eu/cv-roman-felden.html">
+    <meta property="og:title" content="CV - Roman Felden | Coordinateur Sécurité & Systèmes">
+    <meta property="og:description" content="CV complet de Roman Felden, Coordinateur Sécurité & Systèmes Informatique à Grenoble. Expériences, formations, compétences et centres d'intérêt.">
+    <meta property="og:image" content="https://lanro.eu/og-image.jpg">
+
+    <!-- Twitter -->
+    <meta property="twitter:card" content="summary_large_image">
+    <meta property="twitter:url" content="https://lanro.eu/cv-roman-felden.html">
+    <meta property="twitter:title" content="CV - Roman Felden | Coordinateur Sécurité & Systèmes">
+    <meta property="twitter:description" content="CV complet de Roman Felden, Coordinateur Sécurité & Systèmes Informatique à Grenoble. Expériences, formations, compétences et centres d'intérêt.">
+    <meta property="twitter:image" content="https://lanro.eu/og-image.jpg">
+
     <title>CV - Roman Felden | Coordinateur Sécurité & Systèmes</title>
     <link rel="preconnect" href="https://fonts.googleapis.com">
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-    <link href="https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap" rel="stylesheet">
+    <link href="https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap" rel="stylesheet">
     <style>
         *,
         *::before,
@@ -742,6 +758,49 @@
 
             .contact-item {
                 justify-content: center;
+                min-height: 44px;
+            }
+
+            .skill-tag,
+            .badge {
+                min-height: 44px;
+                display: inline-flex;
+                align-items: center;
+            }
+        }
+
+        /* Respect prefers-reduced-motion */
+        @media (prefers-reduced-motion: reduce) {
+            *,
+            *::before,
+            *::after {
+                animation-duration: 0.01ms !important;
+                animation-iteration-count: 1 !important;
+                transition-duration: 0.01ms !important;
+            }
+
+            html {
+                scroll-behavior: auto;
+            }
+        }
+
+        /* Small screens (very small phones) */
+        @media (max-width: 380px) {
+            .header {
+                padding: 2.5rem 1.5rem;
+            }
+
+            .header-name {
+                font-size: 1.75rem;
+            }
+
+            .content {
+                padding: 1.5rem 1rem;
+            }
+
+            .contact-item {
+                padding: 0.75rem 1rem;
+                font-size: 0.85rem;
             }
         }
     </style>
@@ -758,10 +817,10 @@
                             <h1 class="header-name">Roman FELDEN</h1>
                             <p class="header-title">Coordinateur Sécurité & Systèmes Informatique</p>
                             <div class="header-badges">
-                                <span class="badge">🎓 Master RIE</span>
-                                <span class="badge">🔒 Sécurité</span>
-                                <span class="badge">🌐 Réseaux</span>
-                                <span class="badge">💻 Systèmes</span>
+                                <span class="badge" aria-label="Master RIE">Master RIE</span>
+                                <span class="badge">Sécurité</span>
+                                <span class="badge">Réseaux</span>
+                                <span class="badge">Systèmes</span>
                             </div>
                         </div>
                     </div>
@@ -783,7 +842,7 @@
                             <svg xmlns="http://www.w3.org/2000/svg" fill="currentColor" viewBox="0 0 24 24">
                                 <path d="M19 0h-14c-2.761 0-5 2.239-5 5v14c0 2.761 2.239 5 5 5h14c2.762 0 5-2.239 5-5v-14c0-2.761-2.238-5-5-5zm-11 19h-3v-11h3v11zm-1.5-12.268c-.966 0-1.75-.79-1.75-1.764s.784-1.764 1.75-1.764 1.75.79 1.75 1.764-.783 1.764-1.75 1.764zm13.5 12.268h-3v-5.604c0-3.368-4-3.113-4 0v5.604h-3v-11h3v1.765c1.396-2.586 7-2.777 7 2.476v6.759z"/>
                             </svg>
-                            <a href="https://www.linkedin.com/in/roman-felden" target="_blank" rel="noopener">LinkedIn</a>
+                            <a href="https://www.linkedin.com/in/roman-felden" target="_blank" rel="noopener noreferrer">LinkedIn</a>
                         </span>
                     </div>
                 </div>
@@ -1184,7 +1243,7 @@
 
             <!-- Footer -->
             <footer class="footer">
-                <p class="footer-text">Mis à jour en Décembre 2025 · Fait avec <span class="footer-heart">❤</span> à Grenoble, France</p>
+                <p class="footer-text">Mis à jour en Janvier 2026 · Fait avec <span class="footer-heart">❤</span> à Grenoble, France</p>
             </footer>
         </main>
     </div>
diff --git a/lanro.eu/cv.html b/lanro.eu/cv.html
index 59c7949..0fafdc3 100644
--- a/lanro.eu/cv.html
+++ b/lanro.eu/cv.html
@@ -4,10 +4,48 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="description" content="CV de Roman Felden - Coordinateur sécurité et systèmes informatique à Grenoble">
+    <meta name="theme-color" content="#4f46e5">
+
+    <!-- Open Graph / Facebook -->
+    <meta property="og:type" content="website">
+    <meta property="og:url" content="https://lanro.eu/cv.html">
+    <meta property="og:title" content="CV - Roman Felden | Coordinateur Sécurité & Systèmes">
+    <meta property="og:description" content="CV complet de Roman Felden, Coordinateur Sécurité & Systèmes Informatique à Grenoble. Expériences, formations, compétences et centres d'intérêt.">
+    <meta property="og:image" content="https://lanro.eu/og-image.jpg">
+
+    <!-- Twitter -->
+    <meta property="twitter:card" content="summary_large_image">
+    <meta property="twitter:url" content="https://lanro.eu/cv.html">
+    <meta property="twitter:title" content="CV - Roman Felden | Coordinateur Sécurité & Systèmes">
+    <meta property="twitter:description" content="CV complet de Roman Felden, Coordinateur Sécurité & Systèmes Informatique à Grenoble. Expériences, formations, compétences et centres d'intérêt.">
+    <meta property="twitter:image" content="https://lanro.eu/og-image.jpg">
+
+    <!-- Schema.org structured data -->
+    <script type="application/ld+json">
+    {
+      "@context": "https://schema.org",
+      "@type": "Person",
+      "name": "Roman Felden",
+      "jobTitle": "Coordinateur Sécurité & Systèmes Informatique",
+      "address": {
+        "@type": "PostalAddress",
+        "addressLocality": "Grenoble",
+        "addressRegion": "Auvergne-Rhône-Alpes",
+        "addressCountry": "FR"
+      },
+      "url": "https://lanro.eu",
+      "sameAs": [
+        "https://www.linkedin.com/in/roman-felden"
+      ],
+      "knowsAbout": ["Linux", "Windows Server", "Active Directory", "Sécurité informatique", "Virtualisation", "Réseaux"],
+      "alumniOf": "Grenoble INP - Ensimag"
+    }
+    </script>
+
     <title>CV - Roman Felden | Coordinateur Sécurité & Systèmes</title>
     <link rel="preconnect" href="https://fonts.googleapis.com">
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-    <link href="https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap" rel="stylesheet">
+    <link href="https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap" rel="stylesheet">
     <style>
         *,
         *::before,
@@ -70,6 +108,7 @@
             display: flex;
             justify-content: space-between;
             align-items: center;
+            position: relative;
         }
 
         .navbar-brand {
@@ -80,6 +119,7 @@
             display: flex;
             align-items: center;
             gap: 0.5rem;
+            z-index: 1002;
         }
 
         .navbar-brand span {
@@ -89,6 +129,76 @@
             background-clip: text;
         }
 
+        .navbar-brand:focus-visible,
+        .navbar-menu a:focus-visible {
+            outline: 3px solid var(--color-primary);
+            outline-offset: 2px;
+            border-radius: 4px;
+        }
+
+        /* Hamburger Menu Button */
+        .navbar-toggle {
+            display: none;
+            background: none;
+            border: none;
+            cursor: pointer;
+            padding: 0.75rem;
+            margin: -0.75rem;
+            z-index: 1002;
+            border-radius: var(--radius-sm);
+            transition: background 0.3s ease;
+        }
+
+        .navbar-toggle:hover {
+            background: var(--color-bg-alt);
+        }
+
+        .navbar-toggle:focus-visible {
+            outline: 3px solid var(--color-primary);
+            outline-offset: 2px;
+        }
+
+        .hamburger {
+            display: block;
+            width: 24px;
+            height: 2px;
+            background: var(--color-text);
+            position: relative;
+            transition: all 0.3s ease;
+        }
+
+        .hamburger::before,
+        .hamburger::after {
+            content: '';
+            position: absolute;
+            width: 24px;
+            height: 2px;
+            background: var(--color-text);
+            transition: all 0.3s ease;
+        }
+
+        .hamburger::before {
+            top: -8px;
+        }
+
+        .hamburger::after {
+            bottom: -8px;
+        }
+
+        .navbar-toggle.active .hamburger {
+            background: transparent;
+        }
+
+        .navbar-toggle.active .hamburger::before {
+            top: 0;
+            transform: rotate(45deg);
+        }
+
+        .navbar-toggle.active .hamburger::after {
+            bottom: 0;
+            transform: rotate(-45deg);
+        }
+
         .navbar-menu {
             display: flex;
             gap: 2rem;
@@ -99,9 +209,14 @@
             color: var(--color-text);
             text-decoration: none;
             font-weight: 600;
-            padding: 0.5rem 1rem;
+            padding: 0.75rem 1.25rem;
             border-radius: var(--radius-sm);
             transition: all 0.3s ease;
+            min-height: 44px;
+            min-width: 44px;
+            display: inline-flex;
+            align-items: center;
+            justify-content: center;
         }
 
         .navbar-menu a:hover,
@@ -703,13 +818,64 @@
 
         /* Responsive */
         @media (max-width: 768px) {
+            .navbar {
+                padding: 1rem;
+            }
+
+            .navbar-toggle {
+                display: block;
+            }
+
             .navbar-menu {
-                gap: 1rem;
+                position: fixed;
+                top: 0;
+                right: -100%;
+                width: 80%;
+                max-width: 300px;
+                height: 100vh;
+                background: var(--color-bg);
+                flex-direction: column;
+                gap: 0;
+                padding: 6rem 2rem 2rem;
+                box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
+                transition: right 0.3s ease;
+                overflow-y: auto;
+            }
+
+            .navbar-menu.active {
+                right: 0;
+            }
+
+            .navbar-menu li {
+                width: 100%;
             }
 
             .navbar-menu a {
-                padding: 0.5rem;
-                font-size: 0.9rem;
+                width: 100%;
+                padding: 1rem;
+                border-radius: var(--radius-md);
+                justify-content: flex-start;
+            }
+
+            /* Overlay when menu is open */
+            .navbar-overlay {
+                display: none;
+                position: fixed;
+                top: 0;
+                left: 0;
+                width: 100%;
+                height: 100%;
+                background: rgba(0, 0, 0, 0.5);
+                z-index: 1001;
+            }
+
+            .navbar-overlay.active {
+                display: block;
+            }
+
+            /* Prevent body scroll when menu is open */
+            body.menu-open {
+                overflow: hidden;
             }
 
             .header {
@@ -755,26 +921,62 @@
 
             .contact-item {
                 justify-content: center;
+                min-height: 44px;
+            }
+        }
+
+        /* Respect prefers-reduced-motion */
+        @media (prefers-reduced-motion: reduce) {
+            *,
+            *::before,
+            *::after {
+                animation-duration: 0.01ms !important;
+                animation-iteration-count: 1 !important;
+                transition-duration: 0.01ms !important;
+            }
+
+            html {
+                scroll-behavior: auto;
+            }
+        }
+
+        /* Small screens (very small phones) */
+        @media (max-width: 380px) {
+            .navbar-menu {
+                width: 100%;
+                max-width: none;
+            }
+
+            .header {
+                padding: 2.5rem 1.5rem;
+            }
+
+            .header-name {
+                font-size: 1.75rem;
             }
         }
     </style>
 </head>
 <body>
     <!-- Navigation -->
-    <nav class="navbar">
+    <nav class="navbar" role="navigation" aria-label="Navigation principale">
         <div class="navbar-container">
-            <a href="index.html" class="navbar-brand">
-                <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+            <a href="index.html" class="navbar-brand" aria-label="Retour à l'accueil - Roman Felden">
+                <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24" stroke="currentColor" aria-hidden="true">
                     <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6"/>
                 </svg>
                 <span>RF</span>
             </a>
-            <ul class="navbar-menu">
-                <li><a href="index.html">Accueil</a></li>
-                <li><a href="cv.html" class="active">CV</a></li>
-                <li><a href="projets.html">Projets</a></li>
+            <button class="navbar-toggle" aria-label="Ouvrir le menu de navigation" aria-expanded="false" aria-controls="primary-menu">
+                <span class="hamburger"></span>
+            </button>
+            <ul class="navbar-menu" id="primary-menu" role="menubar">
+                <li role="none"><a href="index.html" role="menuitem">Accueil</a></li>
+                <li role="none"><a href="cv.html" role="menuitem" class="active" aria-current="page">CV</a></li>
+                <li role="none"><a href="projets.html" role="menuitem">Projets</a></li>
             </ul>
         </div>
+        <div class="navbar-overlay" aria-hidden="true"></div>
     </nav>
 
     <div class="container">
@@ -813,7 +1015,7 @@
                             <svg xmlns="http://www.w3.org/2000/svg" fill="currentColor" viewBox="0 0 24 24">
                                 <path d="M19 0h-14c-2.761 0-5 2.239-5 5v14c0 2.761 2.239 5 5 5h14c2.762 0 5-2.239 5-5v-14c0-2.761-2.238-5-5-5zm-11 19h-3v-11h3v11zm-1.5-12.268c-.966 0-1.75-.79-1.75-1.764s.784-1.764 1.75-1.764 1.75.79 1.75 1.764-.783 1.764-1.75 1.764zm13.5 12.268h-3v-5.604c0-3.368-4-3.113-4 0v5.604h-3v-11h3v1.765c1.396-2.586 7-2.777 7 2.476v6.759z"/>
                             </svg>
-                            <a href="https://www.linkedin.com/in/roman-felden" target="_blank" rel="noopener">LinkedIn</a>
+                            <a href="https://www.linkedin.com/in/roman-felden" target="_blank" rel="noopener noreferrer">LinkedIn</a>
                         </span>
                     </div>
                 </div>
@@ -1070,8 +1272,6 @@
                                 <span class="skill-tag">Bash</span>
                             </div>
                         </div>
-
-                        </div>
                     </div>
                 </section>
 
@@ -1149,9 +1349,79 @@
 
             <!-- Footer -->
             <footer class="footer">
-                <p class="footer-text">Mis à jour en Décembre 2025 · Fait avec <span class="footer-heart">❤</span> à Grenoble, France</p>
+                <p class="footer-text">Mis à jour en Janvier 2026 · Fait avec <span class="footer-heart">❤</span> à Grenoble, France</p>
             </footer>
         </main>
     </div>
+
+    <script>
+        // Mobile menu toggle functionality
+        (function() {
+            const toggle = document.querySelector('.navbar-toggle');
+            const menu = document.querySelector('.navbar-menu');
+            const overlay = document.querySelector('.navbar-overlay');
+            const body = document.body;
+
+            if (!toggle || !menu) return;
+
+            function toggleMenu() {
+                const isOpen = toggle.classList.contains('active');
+                toggle.classList.toggle('active');
+                menu.classList.toggle('active');
+                overlay.classList.toggle('active');
+                body.classList.toggle('menu-open');
+                toggle.setAttribute('aria-expanded', !isOpen);
+                toggle.setAttribute('aria-label', isOpen ? 'Ouvrir le menu de navigation' : 'Fermer le menu de navigation');
+
+                // Trap focus in menu when open
+                if (!isOpen) {
+                    const menuLinks = menu.querySelectorAll('a');
+                    if (menuLinks.length > 0) {
+                        menuLinks[0].focus();
+                    }
+                }
+            }
+
+            function closeMenu() {
+                if (toggle.classList.contains('active')) {
+                    toggleMenu();
+                }
+            }
+
+            toggle.addEventListener('click', toggleMenu);
+            overlay.addEventListener('click', closeMenu);
+
+            // Close menu when clicking a link
+            const menuLinks = menu.querySelectorAll('a');
+            menuLinks.forEach(link => {
+                link.addEventListener('click', closeMenu);
+            });
+
+            // Close menu on Escape key
+            document.addEventListener('keydown', function(e) {
+                if (e.key === 'Escape' && toggle.classList.contains('active')) {
+                    closeMenu();
+                    toggle.focus();
+                }
+            });
+
+            // Handle tab trapping in menu
+            menu.addEventListener('keydown', function(e) {
+                if (e.key === 'Tab' && toggle.classList.contains('active')) {
+                    const focusableElements = menu.querySelectorAll('a');
+                    const firstElement = focusableElements[0];
+                    const lastElement = focusableElements[focusableElements.length - 1];
+
+                    if (e.shiftKey && document.activeElement === firstElement) {
+                        e.preventDefault();
+                        lastElement.focus();
+                    } else if (!e.shiftKey && document.activeElement === lastElement) {
+                        e.preventDefault();
+                        firstElement.focus();
+                    }
+                }
+            });
+        })();
+    </script>
 </body>
 </html>
diff --git a/lanro.eu/index.html b/lanro.eu/index.html
index d7a0dc4..d0d974f 100644
--- a/lanro.eu/index.html
+++ b/lanro.eu/index.html
@@ -4,10 +4,47 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="description" content="Site personnel de Roman Felden - Coordinateur Sécurité & Systèmes Informatique à Grenoble">
+    <meta name="theme-color" content="#4f46e5">
+
+    <!-- Open Graph / Facebook -->
+    <meta property="og:type" content="website">
+    <meta property="og:url" content="https://lanro.eu/">
+    <meta property="og:title" content="Roman Felden - Portfolio">
+    <meta property="og:description" content="Coordinateur Sécurité & Systèmes Informatique à Grenoble. Expert en administration système, réseaux et sécurité informatique.">
+    <meta property="og:image" content="https://lanro.eu/og-image.jpg">
+
+    <!-- Twitter -->
+    <meta property="twitter:card" content="summary_large_image">
+    <meta property="twitter:url" content="https://lanro.eu/">
+    <meta property="twitter:title" content="Roman Felden - Portfolio">
+    <meta property="twitter:description" content="Coordinateur Sécurité & Systèmes Informatique à Grenoble. Expert en administration système, réseaux et sécurité informatique.">
+    <meta property="twitter:image" content="https://lanro.eu/og-image.jpg">
+
+    <!-- Schema.org structured data -->
+    <script type="application/ld+json">
+    {
+      "@context": "https://schema.org",
+      "@type": "Person",
+      "name": "Roman Felden",
+      "jobTitle": "Coordinateur Sécurité & Systèmes Informatique",
+      "address": {
+        "@type": "PostalAddress",
+        "addressLocality": "Grenoble",
+        "addressRegion": "Auvergne-Rhône-Alpes",
+        "addressCountry": "FR"
+      },
+      "url": "https://lanro.eu",
+      "sameAs": [
+        "https://www.linkedin.com/in/roman-felden"
+      ],
+      "knowsAbout": ["Linux", "Windows Server", "Active Directory", "Sécurité informatique", "Virtualisation", "Réseaux"]
+    }
+    </script>
+
     <title>Roman Felden - Portfolio</title>
     <link rel="preconnect" href="https://fonts.googleapis.com">
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-    <link href="https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap" rel="stylesheet">
+    <link href="https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap" rel="stylesheet">
     <style>
         *,
         *::before,
@@ -70,6 +107,7 @@
             display: flex;
             justify-content: space-between;
             align-items: center;
+            position: relative;
         }
 
         .navbar-brand {
@@ -80,6 +118,7 @@
             display: flex;
             align-items: center;
             gap: 0.5rem;
+            z-index: 1002;
         }
 
         .navbar-brand span {
@@ -89,6 +128,76 @@
             background-clip: text;
         }
 
+        .navbar-brand:focus-visible,
+        .navbar-menu a:focus-visible {
+            outline: 3px solid var(--color-primary);
+            outline-offset: 2px;
+            border-radius: 4px;
+        }
+
+        /* Hamburger Menu Button */
+        .navbar-toggle {
+            display: none;
+            background: none;
+            border: none;
+            cursor: pointer;
+            padding: 0.75rem;
+            margin: -0.75rem;
+            z-index: 1002;
+            border-radius: var(--radius-sm);
+            transition: background 0.3s ease;
+        }
+
+        .navbar-toggle:hover {
+            background: var(--color-bg-alt);
+        }
+
+        .navbar-toggle:focus-visible {
+            outline: 3px solid var(--color-primary);
+            outline-offset: 2px;
+        }
+
+        .hamburger {
+            display: block;
+            width: 24px;
+            height: 2px;
+            background: var(--color-text);
+            position: relative;
+            transition: all 0.3s ease;
+        }
+
+        .hamburger::before,
+        .hamburger::after {
+            content: '';
+            position: absolute;
+            width: 24px;
+            height: 2px;
+            background: var(--color-text);
+            transition: all 0.3s ease;
+        }
+
+        .hamburger::before {
+            top: -8px;
+        }
+
+        .hamburger::after {
+            bottom: -8px;
+        }
+
+        .navbar-toggle.active .hamburger {
+            background: transparent;
+        }
+
+        .navbar-toggle.active .hamburger::before {
+            top: 0;
+            transform: rotate(45deg);
+        }
+
+        .navbar-toggle.active .hamburger::after {
+            bottom: 0;
+            transform: rotate(-45deg);
+        }
+
         .navbar-menu {
             display: flex;
             gap: 2rem;
@@ -99,9 +208,14 @@
             color: var(--color-text);
             text-decoration: none;
             font-weight: 600;
-            padding: 0.5rem 1rem;
+            padding: 0.75rem 1.25rem;
             border-radius: var(--radius-sm);
             transition: all 0.3s ease;
+            min-height: 44px;
+            min-width: 44px;
+            display: inline-flex;
+            align-items: center;
+            justify-content: center;
         }
 
         .navbar-menu a:hover,
@@ -334,45 +448,182 @@
 
         /* Responsive */
         @media (max-width: 768px) {
+            .navbar {
+                padding: 1rem;
+            }
+
+            .navbar-toggle {
+                display: block;
+            }
+
+            .navbar-menu {
+                position: fixed;
+                top: 0;
+                right: -100%;
+                width: 80%;
+                max-width: 300px;
+                height: 100vh;
+                background: var(--color-bg);
+                flex-direction: column;
+                gap: 0;
+                padding: 6rem 2rem 2rem;
+                box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
+                transition: right 0.3s ease;
+                overflow-y: auto;
+            }
+
+            .navbar-menu.active {
+                right: 0;
+            }
+
+            .navbar-menu li {
+                width: 100%;
+            }
+
+            .navbar-menu a {
+                width: 100%;
+                padding: 1rem;
+                border-radius: var(--radius-md);
+                justify-content: flex-start;
+            }
+
+            /* Overlay when menu is open */
+            .navbar-overlay {
+                display: none;
+                position: fixed;
+                top: 0;
+                left: 0;
+                width: 100%;
+                height: 100%;
+                background: rgba(0, 0, 0, 0.5);
+                z-index: 1001;
+            }
+
+            .navbar-overlay.active {
+                display: block;
+            }
+
+            /* Prevent body scroll when menu is open */
+            body.menu-open {
+                overflow: hidden;
+            }
+
             .hero h1 {
-                font-size: 2.5rem;
+                font-size: 2rem;
             }
 
             .hero p {
                 font-size: 1.1rem;
             }
 
-            .navbar-menu {
-                gap: 1rem;
+            .hero {
+                padding: 6rem 1.5rem 4rem;
             }
 
-            .navbar-menu a {
-                padding: 0.5rem;
-                font-size: 0.9rem;
+            .hero-avatar {
+                width: 120px;
+                height: 120px;
+                font-size: 3rem;
+            }
+
+            .hero-buttons {
+                flex-direction: column;
+                align-items: stretch;
+            }
+
+            .btn {
+                justify-content: center;
+                padding: 1rem 1.5rem;
+            }
+
+            .section {
+                padding: 4rem 0;
+            }
+
+            .section-header h2 {
+                font-size: 2rem;
+            }
+
+            .section-header p {
+                font-size: 1rem;
+            }
+
+            .container {
+                padding: 0 1.5rem;
             }
 
             .cards-grid {
                 grid-template-columns: 1fr;
+                gap: 1.5rem;
+            }
+
+            .card {
+                padding: 1.5rem;
+            }
+
+            .card-icon {
+                width: 50px;
+                height: 50px;
+                font-size: 1.25rem;
+            }
+
+            .card h3 {
+                font-size: 1.1rem;
+            }
+        }
+
+        /* Respect prefers-reduced-motion */
+        @media (prefers-reduced-motion: reduce) {
+            *,
+            *::before,
+            *::after {
+                animation-duration: 0.01ms !important;
+                animation-iteration-count: 1 !important;
+                transition-duration: 0.01ms !important;
+            }
+
+            html {
+                scroll-behavior: auto;
+            }
+        }
+
+        /* Small screens (very small phones) */
+        @media (max-width: 380px) {
+            .hero h1 {
+                font-size: 1.75rem;
+            }
+
+            .hero p {
+                font-size: 1rem;
+            }
+
+            .navbar-menu {
+                width: 100%;
+                max-width: none;
             }
         }
     </style>
 </head>
 <body>
     <!-- Navigation -->
-    <nav class="navbar">
+    <nav class="navbar" role="navigation" aria-label="Navigation principale">
         <div class="navbar-container">
-            <a href="index.html" class="navbar-brand">
-                <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+            <a href="index.html" class="navbar-brand" aria-label="Retour à l'accueil - Roman Felden">
+                <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24" stroke="currentColor" aria-hidden="true">
                     <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6"/>
                 </svg>
                 <span>RF</span>
             </a>
-            <ul class="navbar-menu">
-                <li><a href="index.html" class="active">Accueil</a></li>
-                <li><a href="cv.html">CV</a></li>
-                <li><a href="projets.html">Projets</a></li>
+            <button class="navbar-toggle" aria-label="Ouvrir le menu de navigation" aria-expanded="false" aria-controls="primary-menu">
+                <span class="hamburger"></span>
+            </button>
+            <ul class="navbar-menu" id="primary-menu" role="menubar">
+                <li role="none"><a href="index.html" role="menuitem" class="active" aria-current="page">Accueil</a></li>
+                <li role="none"><a href="cv.html" role="menuitem">CV</a></li>
+                <li role="none"><a href="projets.html" role="menuitem">Projets</a></li>
             </ul>
         </div>
+        <div class="navbar-overlay" aria-hidden="true"></div>
     </nav>
 
     <!-- Hero Section -->
@@ -561,11 +812,81 @@
     <!-- Footer -->
     <footer class="footer">
         <div class="container">
-            <p>© 2025 Roman Felden · Fait avec <span class="footer-heart">❤</span> à Grenoble, France</p>
+            <p>© 2026 Roman Felden · Fait avec <span class="footer-heart">❤</span> à Grenoble, France</p>
             <p style="margin-top: 0.5rem; font-size: 0.9rem;">
                 <a href="https://lanro.eu" target="_blank" style="color: white; opacity: 0.8; text-decoration: none;">lanro.eu</a>
             </p>
         </div>
     </footer>
+
+    <script>
+        // Mobile menu toggle functionality
+        (function() {
+            const toggle = document.querySelector('.navbar-toggle');
+            const menu = document.querySelector('.navbar-menu');
+            const overlay = document.querySelector('.navbar-overlay');
+            const body = document.body;
+
+            if (!toggle || !menu) return;
+
+            function toggleMenu() {
+                const isOpen = toggle.classList.contains('active');
+                toggle.classList.toggle('active');
+                menu.classList.toggle('active');
+                overlay.classList.toggle('active');
+                body.classList.toggle('menu-open');
+                toggle.setAttribute('aria-expanded', !isOpen);
+                toggle.setAttribute('aria-label', isOpen ? 'Ouvrir le menu de navigation' : 'Fermer le menu de navigation');
+
+                // Trap focus in menu when open
+                if (!isOpen) {
+                    const menuLinks = menu.querySelectorAll('a');
+                    if (menuLinks.length > 0) {
+                        menuLinks[0].focus();
+                    }
+                }
+            }
+
+            function closeMenu() {
+                if (toggle.classList.contains('active')) {
+                    toggleMenu();
+                }
+            }
+
+            toggle.addEventListener('click', toggleMenu);
+            overlay.addEventListener('click', closeMenu);
+
+            // Close menu when clicking a link
+            const menuLinks = menu.querySelectorAll('a');
+            menuLinks.forEach(link => {
+                link.addEventListener('click', closeMenu);
+            });
+
+            // Close menu on Escape key
+            document.addEventListener('keydown', function(e) {
+                if (e.key === 'Escape' && toggle.classList.contains('active')) {
+                    closeMenu();
+                    toggle.focus();
+                }
+            });
+
+            // Handle tab trapping in menu
+            menu.addEventListener('keydown', function(e) {
+                if (e.key === 'Tab' && toggle.classList.contains('active')) {
+                    const focusableElements = menu.querySelectorAll('a');
+                    const firstElement = focusableElements[0];
+                    const lastElement = focusableElements[focusableElements.length - 1];
+
+                    if (e.shiftKey && document.activeElement === firstElement) {
+                        e.preventDefault();
+                        lastElement.focus();
+                    } else if (!e.shiftKey && document.activeElement === lastElement) {
+                        e.preventDefault();
+                        firstElement.focus();
+                    }
+                }
+            });
+        })();
+    </script>
 </body>
 </html>
diff --git a/lanro.eu/projets.html b/lanro.eu/projets.html
index 0355dd9..7dc682f 100644
--- a/lanro.eu/projets.html
+++ b/lanro.eu/projets.html
@@ -4,10 +4,26 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="description" content="Projets de Roman Felden - Homelab, Android, Minecraft modding">
+    <meta name="theme-color" content="#4f46e5">
+
+    <!-- Open Graph / Facebook -->
+    <meta property="og:type" content="website">
+    <meta property="og:url" content="https://lanro.eu/projets.html">
+    <meta property="og:title" content="Projets - Roman Felden">
+    <meta property="og:description" content="Découvrez les projets de Roman Felden : Homelab Proxmox, Boidelo Android, Custom Ore Gen Minecraft mod, GeoRealmCraft serveur.">
+    <meta property="og:image" content="https://lanro.eu/og-image.jpg">
+
+    <!-- Twitter -->
+    <meta property="twitter:card" content="summary_large_image">
+    <meta property="twitter:url" content="https://lanro.eu/projets.html">
+    <meta property="twitter:title" content="Projets - Roman Felden">
+    <meta property="twitter:description" content="Découvrez les projets de Roman Felden : Homelab Proxmox, Boidelo Android, Custom Ore Gen Minecraft mod, GeoRealmCraft serveur.">
+    <meta property="twitter:image" content="https://lanro.eu/og-image.jpg">
+
     <title>Projets - Roman Felden</title>
     <link rel="preconnect" href="https://fonts.googleapis.com">
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-    <link href="https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap" rel="stylesheet">
+    <link href="https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap" rel="stylesheet">
     <style>
         *,
         *::before,
@@ -70,6 +86,7 @@
             display: flex;
             justify-content: space-between;
             align-items: center;
+            position: relative;
         }
 
         .navbar-brand {
@@ -80,6 +97,7 @@
             display: flex;
             align-items: center;
             gap: 0.5rem;
+            z-index: 1002;
         }
 
         .navbar-brand span {
@@ -89,6 +107,76 @@
             background-clip: text;
         }
 
+        .navbar-brand:focus-visible,
+        .navbar-menu a:focus-visible {
+            outline: 3px solid var(--color-primary);
+            outline-offset: 2px;
+            border-radius: 4px;
+        }
+
+        /* Hamburger Menu Button */
+        .navbar-toggle {
+            display: none;
+            background: none;
+            border: none;
+            cursor: pointer;
+            padding: 0.75rem;
+            margin: -0.75rem;
+            z-index: 1002;
+            border-radius: var(--radius-sm);
+            transition: background 0.3s ease;
+        }
+
+        .navbar-toggle:hover {
+            background: var(--color-bg-alt);
+        }
+
+        .navbar-toggle:focus-visible {
+            outline: 3px solid var(--color-primary);
+            outline-offset: 2px;
+        }
+
+        .hamburger {
+            display: block;
+            width: 24px;
+            height: 2px;
+            background: var(--color-text);
+            position: relative;
+            transition: all 0.3s ease;
+        }
+
+        .hamburger::before,
+        .hamburger::after {
+            content: '';
+            position: absolute;
+            width: 24px;
+            height: 2px;
+            background: var(--color-text);
+            transition: all 0.3s ease;
+        }
+
+        .hamburger::before {
+            top: -8px;
+        }
+
+        .hamburger::after {
+            bottom: -8px;
+        }
+
+        .navbar-toggle.active .hamburger {
+            background: transparent;
+        }
+
+        .navbar-toggle.active .hamburger::before {
+            top: 0;
+            transform: rotate(45deg);
+        }
+
+        .navbar-toggle.active .hamburger::after {
+            bottom: 0;
+            transform: rotate(-45deg);
+        }
+
         .navbar-menu {
             display: flex;
             gap: 2rem;
@@ -99,9 +187,14 @@
             color: var(--color-text);
             text-decoration: none;
             font-weight: 600;
-            padding: 0.5rem 1rem;
+            padding: 0.75rem 1.25rem;
             border-radius: var(--radius-sm);
             transition: all 0.3s ease;
+            min-height: 44px;
+            min-width: 44px;
+            display: inline-flex;
+            align-items: center;
+            justify-content: center;
         }
 
         .navbar-menu a:hover,
@@ -311,13 +404,64 @@
 
         /* Responsive */
         @media (max-width: 768px) {
+            .navbar {
+                padding: 1rem;
+            }
+
+            .navbar-toggle {
+                display: block;
+            }
+
             .navbar-menu {
-                gap: 1rem;
+                position: fixed;
+                top: 0;
+                right: -100%;
+                width: 80%;
+                max-width: 300px;
+                height: 100vh;
+                background: var(--color-bg);
+                flex-direction: column;
+                gap: 0;
+                padding: 6rem 2rem 2rem;
+                box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
+                transition: right 0.3s ease;
+                overflow-y: auto;
+            }
+
+            .navbar-menu.active {
+                right: 0;
+            }
+
+            .navbar-menu li {
+                width: 100%;
             }
 
             .navbar-menu a {
-                padding: 0.5rem;
-                font-size: 0.9rem;
+                width: 100%;
+                padding: 1rem;
+                border-radius: var(--radius-md);
+                justify-content: flex-start;
+            }
+
+            /* Overlay when menu is open */
+            .navbar-overlay {
+                display: none;
+                position: fixed;
+                top: 0;
+                left: 0;
+                width: 100%;
+                height: 100%;
+                background: rgba(0, 0, 0, 0.5);
+                z-index: 1001;
+            }
+
+            .navbar-overlay.active {
+                display: block;
+            }
+
+            /* Prevent body scroll when menu is open */
+            body.menu-open {
+                overflow: hidden;
             }
 
             .page-header h1 {
@@ -333,28 +477,86 @@
                 text-align: center;
             }
 
+            .project-icon {
+                width: 64px;
+                height: 64px;
+                font-size: 2rem;
+            }
+
             .project-title h2 {
                 font-size: 1.5rem;
             }
+
+            .project-badges {
+                justify-content: center;
+            }
+
+            .feature-item {
+                flex-direction: column;
+                text-align: center;
+            }
+
+            .feature-icon {
+                margin: 0 auto 0.5rem;
+            }
+
+            .tech-stack {
+                justify-content: center;
+            }
+        }
+
+        /* Respect prefers-reduced-motion */
+        @media (prefers-reduced-motion: reduce) {
+            *,
+            *::before,
+            *::after {
+                animation-duration: 0.01ms !important;
+                animation-iteration-count: 1 !important;
+                transition-duration: 0.01ms !important;
+            }
+
+            html {
+                scroll-behavior: auto;
+            }
+        }
+
+        /* Small screens (very small phones) */
+        @media (max-width: 380px) {
+            .navbar-menu {
+                width: 100%;
+                max-width: none;
+            }
+
+            .page-header h1 {
+                font-size: 1.75rem;
+            }
+
+            .project-section {
+                padding: 1.5rem 1rem;
+            }
         }
     </style>
 </head>
 <body>
     <!-- Navigation -->
-    <nav class="navbar">
+    <nav class="navbar" role="navigation" aria-label="Navigation principale">
         <div class="navbar-container">
-            <a href="index.html" class="navbar-brand">
-                <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+            <a href="index.html" class="navbar-brand" aria-label="Retour à l'accueil - Roman Felden">
+                <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24" stroke="currentColor" aria-hidden="true">
                     <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6"/>
                 </svg>
                 <span>RF</span>
             </a>
-            <ul class="navbar-menu">
-                <li><a href="index.html">Accueil</a></li>
-                <li><a href="cv.html">CV</a></li>
-                <li><a href="projets.html" class="active">Projets</a></li>
+            <button class="navbar-toggle" aria-label="Ouvrir le menu de navigation" aria-expanded="false" aria-controls="primary-menu">
+                <span class="hamburger"></span>
+            </button>
+            <ul class="navbar-menu" id="primary-menu" role="menubar">
+                <li role="none"><a href="index.html" role="menuitem">Accueil</a></li>
+                <li role="none"><a href="cv.html" role="menuitem">CV</a></li>
+                <li role="none"><a href="projets.html" role="menuitem" class="active" aria-current="page">Projets</a></li>
             </ul>
         </div>
+        <div class="navbar-overlay" aria-hidden="true"></div>
     </nav>
 
     <div class="container">
@@ -698,11 +900,81 @@
     <!-- Footer -->
     <footer class="footer">
         <div class="container">
-            <p>© 2025 Roman Felden · Fait avec <span class="footer-heart">❤</span> à Grenoble, France</p>
+            <p>© 2026 Roman Felden · Fait avec <span class="footer-heart">❤</span> à Grenoble, France</p>
             <p style="margin-top: 0.5rem; font-size: 0.9rem; opacity: 0.8;">
                 <a href="index.html" style="color: white; text-decoration: none; opacity: 0.8;">Retour à l'accueil</a>
             </p>
         </div>
     </footer>
+
+    <script>
+        // Mobile menu toggle functionality
+        (function() {
+            const toggle = document.querySelector('.navbar-toggle');
+            const menu = document.querySelector('.navbar-menu');
+            const overlay = document.querySelector('.navbar-overlay');
+            const body = document.body;
+
+            if (!toggle || !menu) return;
+
+            function toggleMenu() {
+                const isOpen = toggle.classList.contains('active');
+                toggle.classList.toggle('active');
+                menu.classList.toggle('active');
+                overlay.classList.toggle('active');
+                body.classList.toggle('menu-open');
+                toggle.setAttribute('aria-expanded', !isOpen);
+                toggle.setAttribute('aria-label', isOpen ? 'Ouvrir le menu de navigation' : 'Fermer le menu de navigation');
+
+                // Trap focus in menu when open
+                if (!isOpen) {
+                    const menuLinks = menu.querySelectorAll('a');
+                    if (menuLinks.length > 0) {
+                        menuLinks[0].focus();
+                    }
+                }
+            }
+
+            function closeMenu() {
+                if (toggle.classList.contains('active')) {
+                    toggleMenu();
+                }
+            }
+
+            toggle.addEventListener('click', toggleMenu);
+            overlay.addEventListener('click', closeMenu);
+
+            // Close menu when clicking a link
+            const menuLinks = menu.querySelectorAll('a');
+            menuLinks.forEach(link => {
+                link.addEventListener('click', closeMenu);
+            });
+
+            // Close menu on Escape key
+            document.addEventListener('keydown', function(e) {
+                if (e.key === 'Escape' && toggle.classList.contains('active')) {
+                    closeMenu();
+                    toggle.focus();
+                }
+            });
+
+            // Handle tab trapping in menu
+            menu.addEventListener('keydown', function(e) {
+                if (e.key === 'Tab' && toggle.classList.contains('active')) {
+                    const focusableElements = menu.querySelectorAll('a');
+                    const firstElement = focusableElements[0];
+                    const lastElement = focusableElements[focusableElements.length - 1];
+
+                    if (e.shiftKey && document.activeElement === firstElement) {
+                        e.preventDefault();
+                        lastElement.focus();
+                    } else if (!e.shiftKey && document.activeElement === lastElement) {
+                        e.preventDefault();
+                        firstElement.focus();
+                    }
+                }
+            });
+        })();
+    </script>
 </body>
 </html>