diff --git a/index.html b/index.html
index 870c721..ab4e178 100644
--- a/index.html
+++ b/index.html
@@ -326,7 +326,6 @@ footer{padding:2rem 1.25rem 3rem;text-align:center;color:var(--muted);font-size:
       <li><a href="#ab5">Aufbau</a></li>
       <li><a href="#ab6">Funktion</a></li>
       <li><a href="#ab7">Sicherheit</a></li>
-      <li><a href="#ab8">Praxis</a></li>
       <li><a href="#quiz">Quiz</a></li>
     </ul>
   </div>
@@ -598,66 +597,6 @@ footer{padding:2rem 1.25rem 3rem;text-align:center;color:var(--muted);font-size:
   </div>
 </section>
 
-<!-- AB 8: Praxis -->
-<section id="ab8" class="section reveal alt-bg">
-  <h2 class="section-head">Praxisbeispiel: Hebekran</h2>
-
-  <div style="display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:center;margin-bottom:2rem">
-    <figure class="figure" style="margin:0">
-      <img loading="lazy"
-           src="hebekran.jpg"
-           alt="Industrieller Portalkran"
-           onerror="this.style.display='none'"
-           style="border-radius:14px;border:2px solid var(--border);width:100%">
-    </figure>
-    <div>
-      <p style="font-size:1.05rem;color:#374151;margin:0 0 1.25rem">Ein Hebekran wird über Schütze gesteuert. Die Betriebsmittel bilden zusammen die Steuerung des Antriebsmotors.</p>
-      <div style="display:flex;flex-direction:column;gap:.6rem">
-        <div style="display:flex;align-items:center;gap:.85rem;background:#fff;border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:10px;padding:.75rem 1rem">
-          <span style="font-family:'Share Tech Mono',monospace;font-weight:700;color:var(--accent);font-size:1rem;min-width:2.5rem">Q1</span>
-          <span style="font-size:.93rem;color:var(--text)">Hauptschalter</span>
-        </div>
-        <div style="display:flex;align-items:center;gap:.85rem;background:#fff;border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:10px;padding:.75rem 1rem">
-          <span style="font-family:'Share Tech Mono',monospace;font-weight:700;color:var(--accent);font-size:1rem;min-width:2.5rem">S1</span>
-          <span style="font-size:.93rem;color:var(--text)">Schlüsselschalter</span>
-        </div>
-        <div style="display:flex;align-items:center;gap:.85rem;background:#fff;border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:10px;padding:.75rem 1rem">
-          <span style="font-family:'Share Tech Mono',monospace;font-weight:700;color:var(--accent);font-size:1rem;min-width:2.5rem">S2</span>
-          <span style="font-size:.93rem;color:var(--text)">Taster AUF</span>
-        </div>
-        <div style="display:flex;align-items:center;gap:.85rem;background:#fff;border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:10px;padding:.75rem 1rem">
-          <span style="font-family:'Share Tech Mono',monospace;font-weight:700;color:var(--accent);font-size:1rem;min-width:2.5rem">S3</span>
-          <span style="font-size:.93rem;color:var(--text)">Taster AB</span>
-        </div>
-        <div style="display:flex;align-items:center;gap:.85rem;background:#fff;border:2px solid var(--danger);border-left:4px solid var(--danger);border-radius:10px;padding:.75rem 1rem">
-          <span style="font-family:'Share Tech Mono',monospace;font-weight:700;color:var(--danger);font-size:1rem;min-width:2.5rem">S0</span>
-          <span style="font-size:.93rem;color:var(--text);font-weight:600">NOT-HALT</span>
-        </div>
-      </div>
-    </div>
-  </div>
-
-  <div style="display:grid;grid-template-columns:1fr 1fr 1fr;gap:1rem;margin-top:.5rem">
-    <div style="background:#fff;border:1px solid var(--border);border-top:3px solid var(--accent);border-radius:12px;padding:1.1rem;text-align:center">
-      <div style="font-family:'Outfit',sans-serif;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:.4rem">Steuerspannung</div>
-      <div style="font-family:'Outfit',sans-serif;font-weight:800;font-size:1.4rem;color:var(--accent)">DC 24V</div>
-    </div>
-    <div style="background:#fff;border:1px solid var(--border);border-top:3px solid var(--amber);border-radius:12px;padding:1.1rem;text-align:center">
-      <div style="font-family:'Outfit',sans-serif;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:.4rem">Gebrauchskategorie</div>
-      <div style="font-family:'Outfit',sans-serif;font-weight:800;font-size:1.4rem;color:var(--amber)">AC-4</div>
-    </div>
-    <div style="background:#fff;border:1px solid var(--border);border-top:3px solid var(--accent);border-radius:12px;padding:1.1rem;text-align:center">
-      <div style="font-family:'Outfit',sans-serif;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:.4rem">Betrieb</div>
-      <div style="font-family:'Outfit',sans-serif;font-weight:800;font-size:1.4rem;color:var(--accent)">Tippbetrieb</div>
-    </div>
-  </div>
-
-  <style>
-    @media(max-width:900px){#ab8 .praxis-grid{grid-template-columns:1fr !important}}
-    @media(max-width:900px){#ab8 .praxis-stats{grid-template-columns:1fr 1fr !important}}
-    @media(max-width:520px){#ab8 .praxis-stats{grid-template-columns:1fr !important}}
-  </style>
-</section>
 
 <!-- QUIZ -->
 <section id="quiz" class="section reveal alt-bg">