feat: add robotics showcase components and UI enhancements

- Introduced FounderSection component to highlight leadership and vision.
- Created ServicesGrid component to display various robotics services offered.
- Developed RoboticsScrollShowcase for showcasing robots with interactive elements.
- Implemented RoboticsSplineShowcase featuring a 3D Spline scene for enhanced user experience.
- Added reusable Card component for consistent styling across sections.
- Integrated ContainerScroll for animated scrolling effects in the showcase.
- Built SplineScene component for lazy loading Spline 3D scenes.
- Added Spotlight component for interactive hover effects.
- Created utility function for class name merging to streamline styling.

src/components/ui/CursorSpotlight.tsx

@@ -8,7 +8,7 @@ type Props = {
   className?: string;
 };
 
-export function CursorSpotlight({ color = 'rgba(196, 162, 101, 0.18)', size = 520, className = '' }: Props) {
+export function CursorSpotlight({ color = 'rgba(39, 63, 148, 0.18)', size = 520, className = '' }: Props) {
   const ref = useRef<HTMLDivElement | null>(null);
   const [pos, setPos] = useState<{ x: number; y: number } | null>(null);
   const [enabled, setEnabled] = useState(false);