diff --git a/slides/223015b/assets/demos/raster-vs-vektor.html b/slides/223015b/assets/demos/raster-vs-vektor.html
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+<!DOCTYPE html>
+<html lang="de">
+<head>
+<meta charset="UTF-8">
+<title>Raster vs. Vektor — Pixel oder Anweisung?</title>
+<style>
+  :root {
+    --dark: #1a1a2e;
+    --muted: #6b7280;
+    --soft: #f8fafc;
+    --border: #cbd5e1;
+    --hl: #d63384;
+    --raster: #ea580c;
+    --vektor: #2563eb;
+  }
+  html, body { margin: 0; padding: 0; background: #fff; font-family: system-ui, -apple-system, sans-serif; color: var(--dark); }
+  body { padding: 30px 40px; }
+  h1 { text-align: center; margin: 0 0 6px; font-size: 1.75rem; }
+  .sub { text-align: center; color: var(--muted); margin-bottom: 24px; font-size: 1.05rem; }
+  .sub strong { color: var(--dark); }
+
+  .pair {
+    display: grid;
+    grid-template-columns: 1fr 1fr;
+    gap: 22px;
+    max-width: 1180px;
+    margin: 0 auto;
+  }
+
+  .col {
+    border: 2px solid;
+    border-radius: 12px;
+    padding: 16px 18px;
+    background: #fff;
+    display: flex;
+    flex-direction: column;
+    gap: 10px;
+  }
+  .col.raster { border-color: var(--raster); }
+  .col.vektor { border-color: var(--vektor); }
+
+  .col-head { display: flex; justify-content: space-between; align-items: baseline; }
+  .col-name { font-size: 1.3rem; font-weight: 700; }
+  .col.raster .col-name { color: var(--raster); }
+  .col.vektor .col-name { color: var(--vektor); }
+  .col-tag {
+    font-size: 0.72rem;
+    font-weight: 700;
+    text-transform: uppercase;
+    letter-spacing: 0.12em;
+    color: var(--muted);
+  }
+  .col-desc { font-size: 0.85rem; color: var(--muted); line-height: 1.4; }
+
+  .views {
+    display: grid;
+    grid-template-columns: 1fr 1fr;
+    gap: 8px;
+  }
+  .view { display: flex; flex-direction: column; gap: 4px; }
+  .view-label {
+    font-size: 0.68rem;
+    font-weight: 700;
+    text-transform: uppercase;
+    letter-spacing: 0.1em;
+    color: var(--muted);
+    text-align: center;
+  }
+  .view-canvas {
+    background: var(--soft);
+    border: 1px solid var(--border);
+    border-radius: 6px;
+    aspect-ratio: 1.4;
+    overflow: hidden;
+  }
+  .view-canvas svg { display: block; width: 100%; height: 100%; }
+
+  .stats {
+    background: var(--soft);
+    border-radius: 6px;
+    padding: 8px 12px;
+    font-family: ui-monospace, monospace;
+    font-size: 0.82rem;
+    color: var(--dark);
+    line-height: 1.5;
+  }
+  .stats .key { color: var(--muted); }
+  .stats .val { font-weight: 700; }
+
+  .verdict {
+    margin-top: 22px;
+    max-width: 1180px;
+    margin-left: auto;
+    margin-right: auto;
+    text-align: center;
+    border: 2px solid var(--hl);
+    border-radius: 12px;
+    padding: 14px 22px;
+  }
+  .verdict-q { font-size: 1.1rem; font-weight: 700; color: var(--hl); }
+  .verdict-a { font-size: 0.93rem; color: var(--dark); margin-top: 4px; }
+  .verdict-a strong { color: var(--hl); }
+</style>
+</head>
+<body>
+  <h1>Raster vs. Vektor — Pixel oder Anweisung?</h1>
+  <div class="sub">Beide zeigen ein Häkchen. Wenn man <strong>reinzoomt</strong>, kommt die Wahrheit raus.</div>
+
+  <div class="pair">
+
+    <div class="col raster">
+      <div class="col-head">
+        <span class="col-name">Raster</span>
+        <span class="col-tag">PNG · JPEG · GIF</span>
+      </div>
+      <div class="col-desc">Ein Gitter aus Pixel-Farbwerten. Jede Position ist festgelegt.</div>
+
+      <div class="views">
+        <div class="view">
+          <div class="view-label">Original (32 × 22 px)</div>
+          <div class="view-canvas">
+            <svg viewBox="0 0 320 220" preserveAspectRatio="xMidYMid meet">
+              <rect x="0" y="0" width="320" height="220" fill="#f8fafc"/>
+              <g shape-rendering="crispEdges">
+                <rect x="20"  y="120" width="20" height="20" fill="#ea580c"/>
+                <rect x="40"  y="140" width="20" height="20" fill="#ea580c"/>
+                <rect x="60"  y="160" width="20" height="20" fill="#ea580c"/>
+                <rect x="80"  y="180" width="20" height="20" fill="#ea580c"/>
+                <rect x="100" y="160" width="20" height="20" fill="#ea580c"/>
+                <rect x="120" y="140" width="20" height="20" fill="#ea580c"/>
+                <rect x="140" y="120" width="20" height="20" fill="#ea580c"/>
+                <rect x="160" y="100" width="20" height="20" fill="#ea580c"/>
+                <rect x="180" y="80"  width="20" height="20" fill="#ea580c"/>
+                <rect x="200" y="60"  width="20" height="20" fill="#ea580c"/>
+                <rect x="220" y="40"  width="20" height="20" fill="#ea580c"/>
+                <rect x="240" y="20"  width="20" height="20" fill="#ea580c"/>
+              </g>
+            </svg>
+          </div>
+        </div>
+        <div class="view">
+          <div class="view-label">4× Zoom</div>
+          <div class="view-canvas">
+            <svg viewBox="80 60 160 160" preserveAspectRatio="xMidYMid meet">
+              <rect x="0" y="0" width="320" height="220" fill="#f8fafc"/>
+              <g shape-rendering="crispEdges">
+                <rect x="20"  y="120" width="20" height="20" fill="#ea580c"/>
+                <rect x="40"  y="140" width="20" height="20" fill="#ea580c"/>
+                <rect x="60"  y="160" width="20" height="20" fill="#ea580c"/>
+                <rect x="80"  y="180" width="20" height="20" fill="#ea580c"/>
+                <rect x="100" y="160" width="20" height="20" fill="#ea580c"/>
+                <rect x="120" y="140" width="20" height="20" fill="#ea580c"/>
+                <rect x="140" y="120" width="20" height="20" fill="#ea580c"/>
+                <rect x="160" y="100" width="20" height="20" fill="#ea580c"/>
+                <rect x="180" y="80"  width="20" height="20" fill="#ea580c"/>
+                <rect x="200" y="60"  width="20" height="20" fill="#ea580c"/>
+                <rect x="220" y="40"  width="20" height="20" fill="#ea580c"/>
+                <rect x="240" y="20"  width="20" height="20" fill="#ea580c"/>
+              </g>
+            </svg>
+          </div>
+        </div>
+      </div>
+
+      <div class="stats">
+        <div><span class="key">Speicher:</span> <span class="val">32 × 22 × 3 Byte = 2 112 Byte</span></div>
+        <div><span class="key">Beim Zoom:</span> <span class="val">pixelig — Information ist erschöpft</span></div>
+      </div>
+    </div>
+
+    <div class="col vektor">
+      <div class="col-head">
+        <span class="col-name">Vektor</span>
+        <span class="col-tag">SVG · PDF · Schriftarten</span>
+      </div>
+      <div class="col-desc">Mathematische Anweisungen: <code style="background:#0f0f23;color:#5fb3e4;padding:0 4px;border-radius:3px;">polyline 30,110 → 90,170 → 250,30</code></div>
+
+      <div class="views">
+        <div class="view">
+          <div class="view-label">Original</div>
+          <div class="view-canvas">
+            <svg viewBox="0 0 320 220" preserveAspectRatio="xMidYMid meet">
+              <rect x="0" y="0" width="320" height="220" fill="#f8fafc"/>
+              <polyline points="30,130 90,190 270,30" stroke="#2563eb" stroke-width="14" fill="none" stroke-linecap="round" stroke-linejoin="round"/>
+            </svg>
+          </div>
+        </div>
+        <div class="view">
+          <div class="view-label">4× Zoom</div>
+          <div class="view-canvas">
+            <svg viewBox="80 60 160 160" preserveAspectRatio="xMidYMid meet">
+              <rect x="0" y="0" width="320" height="220" fill="#f8fafc"/>
+              <polyline points="30,130 90,190 270,30" stroke="#2563eb" stroke-width="14" fill="none" stroke-linecap="round" stroke-linejoin="round"/>
+            </svg>
+          </div>
+        </div>
+      </div>
+
+      <div class="stats">
+        <div><span class="key">Speicher:</span> <span class="val">3 Punkte + Strichbreite = ~80 Byte</span></div>
+        <div><span class="key">Beim Zoom:</span> <span class="val">scharf — wird neu berechnet</span></div>
+      </div>
+    </div>
+
+  </div>
+
+  <div class="verdict">
+    <div class="verdict-q">Pixel sind festgenagelt. Vektoren werden bei jedem Zoom <strong>neu berechnet</strong>.</div>
+    <div class="verdict-a">Faustregel: <strong>Foto → Raster</strong> (kann nicht „neu berechnet" werden). <strong>Logo, Icon, Schrift → Vektor</strong> (skalierbar ohne Verlust).</div>
+  </div>
+</body>
+</html>
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