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      <stop offset="0" stop-color="#3CBE7B"/>
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  </defs>
  <!-- Shield: rounded shoulders, softly pointed bottom -->
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  <!-- AI wordmark -->
  <text x="32" y="40.5" text-anchor="middle"
        font-family="-apple-system, 'Segoe UI', system-ui, Helvetica, Arial, sans-serif"
        font-size="25" font-weight="700" letter-spacing="0.5" fill="#ffffff">AI</text>
</svg>
