fix: DrillOrbit fades in/out at path edges, DrillBitSpinner uses radial mask instead of hard clip

Former-commit-id: 3aea27f3e17984634206ca817d074b18e712933e

components/blocks/ServiceDetailGrid.tsx

@@ -3,6 +3,7 @@
 import * as React from 'react';
 import { motion, Variants } from 'framer-motion';
 import { HoverShineOverlay } from '@/components/ui/HoverShineOverlay';
+import { DrillTeeth } from '@/components/ui/decorations/DrillTeeth';
 
 export interface ServicePanelData {
   id: string;
@@ -229,6 +230,8 @@ export function ServiceDetailGrid({
           })}
         </motion.div>
       </div>
+      {/* Organic wave divider */}
+      <DrillTeeth position="bottom" fill="#fafafa" />
     </section>
   );
 }