feat: update website design and assets

- Replaced multiple hero and background images with new optimized versions
- Removed unused image assets from public/images directory
- Updated typography styles:
  - Removed italic styling from various text components
  - Made eyebrow text uppercase
  - Adjusted H1 font size from 6xl to 5xl on mobile
- Redesigned HomeAurora component with new layout and background
- Added Mulish as primary font family in Tailwind config
- Updated text formatting and spacing

tailwind.config.js

@@ -6,6 +6,9 @@ export default {
   ],
   theme: {
     extend: {
+      fontFamily: {
+        sans: ['Mulish', 'system-ui', 'Avenir', 'Helvetica', 'Arial', 'sans-serif'],
+      },
       keyframes: {
         'glitch-1': {
           '0%': { transform: 'none' },