Milton Hilton card: swap SVG zone diagram for cropped 3D pump-room render

Source: assets/case-studies/milton-hilton/mechanical-room.png (used on the
case study sub-page), cropped to remove the SketchUp UI chrome.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Author: rmdevpro

assets/case-studies/milton-hilton/mechanical-room-crop.png

@@ -190,25 +190,7 @@ <h3>A 240,000 sq ft multi-tenant commercial building.</h3>
         </dl>
       </div>
       <div class="visual">
-        <svg viewBox="0 0 400 280" xmlns="http://www.w3.org/2000/svg" aria-hidden="true">
-          <rect x="40" y="40" width="320" height="200" fill="none" stroke="#0E4A8A" stroke-width="1.5"/>
-          <line x1="120" y1="40" x2="120" y2="240" stroke="#0E4A8A" stroke-width="0.8" stroke-dasharray="3 3"/>
-          <line x1="200" y1="40" x2="200" y2="240" stroke="#0E4A8A" stroke-width="0.8" stroke-dasharray="3 3"/>
-          <line x1="280" y1="40" x2="280" y2="240" stroke="#0E4A8A" stroke-width="0.8" stroke-dasharray="3 3"/>
-          <line x1="40" y1="140" x2="360" y2="140" stroke="#0E4A8A" stroke-width="0.8" stroke-dasharray="3 3"/>
-          <text x="80" y="95" font-family="Mona Sans" font-size="11" fill="#0E4A8A" text-anchor="middle">Zone 01</text>
-          <text x="160" y="95" font-family="Mona Sans" font-size="11" fill="#0E4A8A" text-anchor="middle">Zone 02</text>
-          <text x="240" y="95" font-family="Mona Sans" font-size="11" fill="#0E4A8A" text-anchor="middle">Zone 03</text>
-          <text x="320" y="95" font-family="Mona Sans" font-size="11" fill="#0E4A8A" text-anchor="middle">Zone 04</text>
-          <text x="200" y="190" font-family="Mona Sans" font-size="11" fill="#4A4A4E" text-anchor="middle">Corridor · MDF · UPS · Generator</text>
-          <circle cx="80" cy="55" r="4" fill="#0E4A8A"/>
-          <circle cx="160" cy="55" r="4" fill="#0E4A8A"/>
-          <circle cx="240" cy="55" r="4" fill="#0E4A8A"/>
-          <circle cx="320" cy="55" r="4" fill="#0E4A8A"/>
-          <text x="200" y="25" font-family="JetBrains Mono" font-size="9" fill="#4A4A4E" text-anchor="middle">Rooftop units · agentic control · live</text>
-          <line x1="40" y1="260" x2="360" y2="260" stroke="#0C0C0D" stroke-width="0.75"/>
-          <text x="200" y="275" font-family="JetBrains Mono" font-size="9" fill="#0C0C0D" text-anchor="middle">240,000 SQ FT</text>
-        </svg>
+        <img src="assets/case-studies/milton-hilton/mechanical-room-crop.png" alt="3D model of the Milton Hilton mechanical room — heat pump plant with main distribution headers and circulation pumps" style="width:100%;height:auto;display:block;border:1px solid var(--rule);">
       </div>
     </div>
   </div>