diff --git a/app/index.html b/app/index.html
index 8e7b1d9..b5a6e90 100644
--- a/app/index.html
+++ b/app/index.html
@@ -4,138 +4,547 @@
   <meta charset="UTF-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>GN dépôt</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=JetBrains+Mono:wght@400;700&family=Sora:wght@300;400;600;700&display=swap" rel="stylesheet">
   <style>
+    :root {
+      --bg: #0d1117;
+      --surface: #161b22;
+      --surface2: #21262d;
+      --border: #30363d;
+      --accent: #58a6ff;
+      --accent2: #3fb950;
+      --accent3: #f78166;
+      --text: #e6edf3;
+      --text-muted: #8b949e;
+      --radius: 12px;
+    }
+
+    * { box-sizing: border-box; margin: 0; padding: 0; }
+
     body {
-      font-family: sans-serif;
-      background-color: #f9f9f9;
-      color: #333;
-      margin: 2em;
+      font-family: 'Sora', sans-serif;
+      background-color: var(--bg);
+      color: var(--text);
+      line-height: 1.7;
+      min-height: 100vh;
+    }
+
+    body::before {
+      content: '';
+      position: fixed;
+      inset: 0;
+      background-image:
+        linear-gradient(rgba(88,166,255,0.03) 1px, transparent 1px),
+        linear-gradient(90deg, rgba(88,166,255,0.03) 1px, transparent 1px);
+      background-size: 40px 40px;
+      pointer-events: none;
+      z-index: 0;
+    }
+
+    .wrapper {
+      position: relative;
+      z-index: 1;
+      max-width: 860px;
+      margin: 0 auto;
+      padding: 3em 1.5em 4em;
+    }
+
+    header {
+      text-align: center;
+      margin-bottom: 3em;
+      animation: fadeDown 0.6s ease both;
+    }
+
+    header img.logo {
+      max-width: 160px;
+      margin-bottom: 1.5em;
+      filter: drop-shadow(0 0 20px rgba(88,166,255,0.25));
+    }
+
+    header h1 {
+      font-size: 1.9em;
+      font-weight: 700;
+      color: var(--text);
+      letter-spacing: -0.02em;
+    }
+
+    header h1 span { color: var(--accent); }
+
+    header p {
+      color: var(--text-muted);
+      margin-top: 0.6em;
+      font-size: 1em;
+      font-weight: 300;
+    }
+
+    section {
+      margin-bottom: 2.5em;
+      animation: fadeUp 0.5s ease both;
+    }
+
+    section:nth-child(2) { animation-delay: 0.1s; }
+    section:nth-child(3) { animation-delay: 0.2s; }
+    section:nth-child(4) { animation-delay: 0.3s; }
+
+    .section-title {
+      font-size: 0.75em;
+      font-weight: 600;
+      text-transform: uppercase;
+      letter-spacing: 0.12em;
+      color: var(--accent);
+      margin-bottom: 1em;
+      display: flex;
+      align-items: center;
+      gap: 0.6em;
+    }
+
+    .section-title::after {
+      content: '';
+      flex: 1;
+      height: 1px;
+      background: var(--border);
+    }
+
+    /* --- Bloc installation principale --- */
+    .install-card {
+      background: var(--surface);
+      border: 1px solid var(--border);
+      border-radius: var(--radius);
+      overflow: hidden;
+    }
+
+    .install-card-header {
+      padding: 1.2em 1.5em;
+      border-bottom: 1px solid var(--border);
+    }
+
+    .install-card-header p {
+      color: var(--text-muted);
+      font-size: 0.92em;
+      margin-bottom: 0.4em;
+    }
+
+    .install-card-header p:last-child { margin-bottom: 0; }
+
+    .badge-list {
+      display: flex;
+      flex-wrap: wrap;
+      gap: 0.5em;
+      margin-top: 0.8em;
+    }
+
+    .badge {
+      font-size: 0.75em;
+      font-family: 'JetBrains Mono', monospace;
+      background: var(--surface2);
+      border: 1px solid var(--border);
+      border-radius: 20px;
+      padding: 0.2em 0.7em;
+      color: var(--text-muted);
+      display: flex;
+      align-items: center;
+      gap: 0.4em;
+    }
+
+    .badge .dot {
+      width: 6px;
+      height: 6px;
+      border-radius: 50%;
+      background: var(--accent2);
+    }
+
+    /* Code blocks */
+    .code-block {
+      position: relative;
+      background: #0d1117;
+    }
+
+    pre {
+      font-family: 'JetBrains Mono', monospace;
+      font-size: 0.85em;
+      padding: 1.2em 1.4em;
+      padding-right: 5em;
+      overflow-x: auto;
+      color: #e6edf3;
       line-height: 1.6;
     }
-    .container {
-      max-width: 800px;
-      margin: auto;
-      background: #fff;
-      padding: 2em;
-      box-shadow: 0 0 10px rgba(0,0,0,0.1);
-      border-radius: 12px;
+
+    .copy-btn {
+      position: absolute;
+      top: 0.7em;
+      right: 0.7em;
+      background: var(--surface2);
+      border: 1px solid var(--border);
+      color: var(--text-muted);
+      border-radius: 6px;
+      padding: 0.3em 0.75em;
+      font-size: 0.75em;
+      font-family: 'Sora', sans-serif;
+      cursor: pointer;
+      transition: all 0.2s;
+      white-space: nowrap;
     }
-    img.logo {
-      max-width: 200px;
-      display: block;
-      margin: 0 auto 2em;
+
+    .copy-btn:hover { background: var(--accent); color: var(--bg); border-color: var(--accent); }
+    .copy-btn.copied { background: var(--accent2); color: var(--bg); border-color: var(--accent2); }
+
+    /* Détails manuels (accordéon) */
+    .manual-toggle {
+      width: 100%;
+      background: var(--surface2);
+      border: none;
+      border-top: 1px solid var(--border);
+      color: var(--text-muted);
+      font-family: 'Sora', sans-serif;
+      font-size: 0.82em;
+      padding: 0.8em 1.4em;
+      text-align: left;
+      cursor: pointer;
+      display: flex;
+      align-items: center;
+      gap: 0.5em;
+      transition: color 0.2s;
     }
-    pre {
-      background: #f4f4f4;
-      padding: 1em;
-      border-left: 5px solid #007acc;
-      overflow-x: auto;
+
+    .manual-toggle:hover { color: var(--text); }
+
+    .manual-toggle .arrow {
+      margin-left: auto;
+      transition: transform 0.25s;
     }
-    h1, h2 {
-      color: #007acc;
-      text-align: center;
+
+    .manual-toggle.open .arrow { transform: rotate(180deg); }
+
+    .manual-steps {
+      display: none;
+      border-top: 1px solid var(--border);
     }
+
+    .manual-steps.open { display: block; }
+
+    .step {
+      border-bottom: 1px solid var(--border);
+    }
+
+    .step:last-child { border-bottom: none; }
+
+    .step-header {
+      display: flex;
+      align-items: center;
+      gap: 0.8em;
+      padding: 0.7em 1.2em;
+      background: var(--surface2);
+      border-bottom: 1px solid var(--border);
+    }
+
+    .step-num {
+      width: 20px;
+      height: 20px;
+      border-radius: 50%;
+      background: var(--accent);
+      color: var(--bg);
+      font-size: 0.72em;
+      font-weight: 700;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      flex-shrink: 0;
+    }
+
+    .step-label {
+      font-size: 0.83em;
+      font-weight: 600;
+      color: var(--text-muted);
+    }
+
+    /* Inline code */
+    code {
+      font-family: 'JetBrains Mono', monospace;
+      background: var(--surface2);
+      padding: 0.15em 0.45em;
+      border-radius: 5px;
+      font-size: 0.87em;
+      color: var(--accent);
+      border: 1px solid var(--border);
+    }
+
+    pre code {
+      background: none;
+      padding: 0;
+      border: none;
+      font-size: inherit;
+      color: inherit;
+    }
+
+    /* Syntax */
+    .kw  { color: #ff7b72; }
+    .str { color: #a5d6ff; }
+    .cmt { color: #8b949e; font-style: italic; }
+    .cmd { color: #3fb950; }
+    .url { color: #79c0ff; }
+
+    /* Packages */
     .packages {
       display: grid;
-      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
-      gap: 1.5em;
-      margin-top: 1.5em;
+      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
+      gap: 1em;
     }
 
     .package {
-      border: 1px solid #e0e0e0;
-      border-radius: 12px;
-      padding: 1.2em;
-      background: #fafafa;
-      transition: transform 0.2s, box-shadow 0.2s;
+      background: var(--surface);
+      border: 1px solid var(--border);
+      border-radius: var(--radius);
+      padding: 1.3em;
+      transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
+      display: flex;
+      flex-direction: column;
+      gap: 0.4em;
     }
 
     .package:hover {
-      transform: translateY(-4px);
-      box-shadow: 0 8px 20px rgba(0,0,0,0.08);
+      transform: translateY(-3px);
+      border-color: var(--accent);
+      box-shadow: 0 8px 24px rgba(88,166,255,0.1);
     }
 
-    .package-icon {
-      font-size: 2.5em;
-      margin-bottom: 0.5em;
-    }
+    .package-icon { font-size: 2em; }
+    .package h3 { font-size: 1em; font-weight: 600; color: var(--text); }
+    .package p { font-size: 0.88em; color: var(--text-muted); flex: 1; }
 
-    .package h3 {
-      margin: 0.2em 0;
-      color: #007acc;
-    }
-
-    .package p {
-      font-size: 0.95em;
-      margin: 0.3em 0 0.8em;
-    }
-
-    .package code {
-      background: #eee;
-      padding: 0.2em 0.4em;
+    .package-install {
+      font-family: 'JetBrains Mono', monospace;
+      font-size: 0.8em;
+      background: var(--surface2);
+      border: 1px solid var(--border);
       border-radius: 6px;
+      padding: 0.4em 0.7em;
+      color: var(--accent2);
+      display: block;
+      margin-top: 0.4em;
+    }
+
+    .package a {
+      font-size: 0.82em;
+      color: var(--accent);
+      text-decoration: none;
+      margin-top: 0.3em;
+      display: inline-block;
+    }
+
+    .package a:hover { text-decoration: underline; }
+
+    /* Resources */
+    .resource-list {
+      background: var(--surface);
+      border: 1px solid var(--border);
+      border-radius: var(--radius);
+      overflow: hidden;
+    }
+
+    .resource-item {
+      display: flex;
+      align-items: center;
+      gap: 1em;
+      padding: 0.9em 1.3em;
+      border-bottom: 1px solid var(--border);
+      text-decoration: none;
+      color: var(--text);
+      transition: background 0.15s;
       font-size: 0.9em;
     }
+
+    .resource-item:last-child { border-bottom: none; }
+    .resource-item:hover { background: var(--surface2); }
+
+    .resource-item .ri-icon { font-size: 1.1em; width: 1.5em; text-align: center; }
+    .resource-item .ri-name { font-weight: 600; color: var(--accent); font-family: 'JetBrains Mono', monospace; font-size: 0.9em; }
+    .resource-item .ri-desc { color: var(--text-muted); font-size: 0.85em; margin-left: auto; }
+
+    @keyframes fadeDown {
+      from { opacity: 0; transform: translateY(-18px); }
+      to   { opacity: 1; transform: translateY(0); }
+    }
+
+    @keyframes fadeUp {
+      from { opacity: 0; transform: translateY(14px); }
+      to   { opacity: 1; transform: translateY(0); }
+    }
+
+    footer {
+      text-align: center;
+      color: var(--text-muted);
+      font-size: 0.8em;
+      margin-top: 3em;
+      padding-top: 1.5em;
+      border-top: 1px solid var(--border);
+    }
   </style>
 </head>
 <body>
-  <div class="container">
-    <img src="logo.png" alt="Le Garage Numérique" class="logo" />
+  <div class="wrapper">
 
-    <h1>Bienvenue sur le dépôt APT du Garage Numérique</h1>
-    <p>Ce dépôt vous permet d’installer facilement les paquets maintenus par <strong>Le Garage Numérique</strong> sur les distributions basées sur Debian.</p>
-  </div>
+    <header>
+      <img src="logo.png" alt="Le Garage Numérique" class="logo" />
+      <h1>Dépôt APT <span>Le Garage Numérique</span></h1>
+      <p>Paquets maintenus par Le Garage Numérique pour les distributions basées sur Debian</p>
+    </header>
 
-  <h2>Instructions d'utilisation</h2>
+    <!-- Installation -->
+    <section>
+      <div class="section-title">Installation du dépôt</div>
+      <div class="install-card">
 
-  <div class="container">
-    <p>Installer le dépôt du garage :</p>
-    <pre><code>sudo wget -O /etc/apt/trusted.gpg.d/gn-depot.asc https://deb.legaragenumerique.fr/pgp-key.public
-echo 'deb [arch=amd64 signed-by=/etc/apt/trusted.gpg.d/gn-depot.asc] https://deb.legaragenumerique.fr stable main' \
-| sudo tee /etc/apt/sources.list.d/gn-depot.list
-sudo apt update</code></pre>
+        <!-- Description -->
+        <div class="install-card-header">
+          <p>Une seule commande suffit pour configurer le dépôt, importer la clé GPG et définir la priorité automatiquement.</p>
+          <div class="badge-list">
+            <div class="badge"><span class="dot"></span>Clé GPG importée</div>
+            <div class="badge"><span class="dot"></span>sources.list configuré</div>
+            <div class="badge"><span class="dot"></span>Priorité 500 appliquée</div>
+            <div class="badge"><span class="dot"></span>apt update exécuté</div>
+          </div>
+        </div>
 
-    <p>Installer le paquet souhaité (ex. <code>geo</code>) :</p>
-    <pre><code>sudo apt install geo</code></pre>
+        <!-- Commande principale -->
+        <div class="code-block">
+          <pre id="cmd-main"><button class="copy-btn" onclick="copyCode('cmd-main', this)">Copier</button><span class="cmd">curl</span> -fsSL <span class="url">https://deb.legaragenumerique.fr/install-repo.sh</span> | <span class="cmd">sudo</span> bash</pre>
+        </div>
 
-    <p>Et voilà 🎉 Vous êtes prêt à utiliser notre dépôt !</p>
-  </div>
+        <!-- Accordéon installation manuelle -->
+        <button class="manual-toggle" id="toggle-manual" onclick="toggleManual()">
+          ⚙️ Installation manuelle étape par étape
+          <span class="arrow">▾</span>
+        </button>
 
-  <h2>Paquets disponibles</h2>
+        <div class="manual-steps" id="manual-steps">
 
-  <div class="packages">
-    <div class="package">
-      <div class="package-icon">🌍</div>
-      <h3>Geographical Adventures</h3>
-      <p>Petit jeu sur la géographie.</p>
-      <code>sudo apt install geo</code><br>
-      <a href="https://sebastian.itch.io/geographical-adventures">Site web</a>
-    </div>
+          <div class="step">
+            <div class="step-header">
+              <div class="step-num">1</div>
+              <div class="step-label">Ajouter la clé publique GPG</div>
+            </div>
+            <div class="code-block">
+              <pre id="cmd1"><button class="copy-btn" onclick="copyCode('cmd1', this)">Copier</button><span class="cmd">sudo</span> wget -qO /etc/apt/trusted.gpg.d/gn-depot.asc \
+  <span class="url">https://deb.legaragenumerique.fr/pgp-key.public</span></pre>
+            </div>
+          </div>
 
-    <div class="package">
-      <div class="package-icon">🔫</div>
-      <h3>World of padman</h3>
-      <p>Petit FPS open source.</p>
-      <code>sudo apt install wop</code><br>
-      <a href="https://worldofpadman.net">Site web</a>
-    </div>
+          <div class="step">
+            <div class="step-header">
+              <div class="step-num">2</div>
+              <div class="step-label">Ajouter le dépôt à sources.list</div>
+            </div>
+            <div class="code-block">
+              <pre id="cmd2"><button class="copy-btn" onclick="copyCode('cmd2', this)">Copier</button><span class="kw">echo</span> <span class="str">'deb [arch=amd64 signed-by=/etc/apt/trusted.gpg.d/gn-depot.asc] https://deb.legaragenumerique.fr stable main'</span> \
+  | <span class="cmd">sudo</span> tee /etc/apt/sources.list.d/gn-depot.list</pre>
+            </div>
+          </div>
 
-    <div class="package">
-      <div class="package-icon">✒️</div>
-      <h3>Scribus</h3>
-      <p>Scribus svn 1.7.3.</p>
-      <code>sudo apt install scribus</code><br>
-      <a href="https://www.scribus.net">Site web</a>
-    </div>
+          <div class="step">
+            <div class="step-header">
+              <div class="step-num">3</div>
+              <div class="step-label">Définir la priorité du dépôt</div>
+            </div>
+            <div class="code-block">
+              <pre id="cmd3"><button class="copy-btn" onclick="copyCode('cmd3', this)">Copier</button><span class="cmd">sudo</span> wget -qO /etc/apt/preferences.d/gn-depot.pref \
+  <span class="url">https://deb.legaragenumerique.fr/gn-depot.pref</span></pre>
+            </div>
+          </div>
 
-    <!-- div class="package">
-      <div class="package-icon">📦</div>
-      <h3>backup-gn</h3>
-      <p>Solution simple de sauvegarde automatisée.</p>
-      <code>sudo apt install backup-gn</code><br>
-      <a href="https://www.legaragenumerique.fr">Site web</a>
-    </div> -->
+          <div class="step">
+            <div class="step-header">
+              <div class="step-num">4</div>
+              <div class="step-label">Mettre à jour et installer</div>
+            </div>
+            <div class="code-block">
+              <pre id="cmd4"><button class="copy-btn" onclick="copyCode('cmd4', this)">Copier</button><span class="cmd">sudo</span> apt update
+<span class="cmd">sudo</span> apt install &lt;nom-du-paquet&gt;</pre>
+            </div>
+          </div>
+
+        </div>
+      </div>
+    </section>
+
+    <!-- Packages -->
+    <section>
+      <div class="section-title">Paquets disponibles</div>
+      <div class="packages">
+
+        <div class="package">
+          <div class="package-icon">🌍</div>
+          <h3>Geographical Adventures</h3>
+          <p>Petit jeu de géographie interactif.</p>
+          <code class="package-install">sudo apt install geo</code>
+          <a href="https://sebastian.itch.io/geographical-adventures" target="_blank" rel="noopener">↗ Site web</a>
+        </div>
+
+        <div class="package">
+          <div class="package-icon">🔫</div>
+          <h3>World of Padman</h3>
+          <p>FPS open source léger et fun.</p>
+          <code class="package-install">sudo apt install wop</code>
+          <a href="https://worldofpadman.net" target="_blank" rel="noopener">↗ Site web</a>
+        </div>
+
+        <div class="package">
+          <div class="package-icon">✒️</div>
+          <h3>Scribus 1.7.3 SVN</h3>
+          <p>Logiciel de PAO — version de développement récente.</p>
+          <code class="package-install">sudo apt install scribus</code>
+          <a href="https://www.scribus.net" target="_blank" rel="noopener">↗ Site web</a>
+        </div>
+
+        <div class="package">
+          <div class="package-icon">🖨️</div>
+          <h3>Cura </h3>
+          <p>Logiciel de slicing pour imprimante 3D.</p>
+          <code class="package-install">sudo apt install cura</code>
+          <a href="https://ultimaker.com/software/ultimaker-cura/" target="_blank" rel="noopener">↗ Site web</a>
+        </div>
+
+        <div class="package">
+          <div class="package-icon">📐</div>
+          <h3>FreeCAD </h3>
+          <p>Logiciel de modeling pour imprimante 3D.</p>
+          <code class="package-install">sudo apt install freecad-gn</code>
+          <a href="https://www.freecad.org/index.php?lang=fr" target="_blank" rel="noopener">↗ Site web</a>
+        </div>
+
+      </div>
+    </section>
+
+    <footer>
+      © Le Garage Numérique · Dépôt APT · <a href="https://deb.legaragenumerique.fr" style="color:var(--accent);text-decoration:none;">deb.legaragenumerique.fr</a>
+    </footer>
 
   </div>
+
+  <script>
+    function copyCode(id, btn) {
+      const pre = document.getElementById(id);
+      const clone = pre.cloneNode(true);
+      // Supprimer le bouton du clone avant d'extraire le texte
+      clone.querySelector('.copy-btn')?.remove();
+      const text = clone.innerText.trim();
+      navigator.clipboard.writeText(text).then(() => {
+        btn.textContent = '✓ Copié';
+        btn.classList.add('copied');
+        setTimeout(() => {
+          btn.textContent = 'Copier';
+          btn.classList.remove('copied');
+        }, 2000);
+      });
+    }
+
+    function toggleManual() {
+      const btn = document.getElementById('toggle-manual');
+      const steps = document.getElementById('manual-steps');
+      btn.classList.toggle('open');
+      steps.classList.toggle('open');
+    }
+  </script>
 </body>
-</html>
+</html>
\ No newline at end of file