feat: redesign cloud page sections with improved layout and branding

- Added logo assets for featured applications (CryptPad, Gitea, Matrix, Nextcloud, Stalwart, LifeKit)
- Restructured CallToAction, CloudBluePrint, and CloudUseCases components with consistent boxed layouts and border styling
- Enhanced hover effects on architecture layers and use case cards with scale transforms
- Updated button styling and improved responsive grid layouts for better visual hierarchy

tailwind.config.js

@@ -10,6 +10,10 @@ export default {
         sans: ['Mulish', 'system-ui', 'Avenir', 'Helvetica', 'Arial', 'sans-serif'],
       },
       keyframes: {
+        logoScroll: {
+          '0%': { transform: 'translateX(0)' },
+          '100%': { transform: 'translateX(-50%)' },
+        },
         'glitch-1': {
           '0%': { transform: 'none' },
           '25%': { transform: 'skew(-0.5deg, -0.5deg)' },
@@ -26,6 +30,7 @@ export default {
         },
       },
       animation: {
+        logoScroll: 'logoScroll 16s linear infinite',
         'glitch-1': 'glitch-1 1s infinite',
         'glitch-2': 'glitch-2 1s infinite',
       },