Update Open Calc Studio screenshot on homepage, remove blur

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: DutchSailor

index.html

@@ -840,7 +840,7 @@ <h3 data-i18n="tools.items.ifcx.title">IFCX</h3>
           </div>
         </article>
         <article class="tool-card">
-          <img class="tool-thumb" src="/shared/assets/screenshots/open-calc-studio.png" alt="Open Calc Studio" style="filter: blur(4px);">
+          <img class="tool-thumb" src="/shared/assets/screenshots/open-calc-studio-new.png" alt="Open Calc Studio">
           <div>
             <div style="display:flex;align-items:center;gap:var(--sp-2);margin-bottom:var(--sp-2);flex-wrap:wrap;"><h3 data-i18n="tools.items.openCalc.title" style="margin-bottom:0;">Open Calc Studio</h3><span class="tool-tag tool-tag-beta">Beta</span><span class="tool-tag tool-tag-live"><svg width="10" height="10" viewBox="0 0 16 16" fill="currentColor"><path d="M4 2l10 6-10 6V2z"/></svg> Live</span></div>
             <p data-i18n="tools.items.openCalc.desc">Open source calculatietool voor kostenramingen en begrotingen in de bouw.</p>