feat(ui): finalize E-TIB modernization with footer redesign, video optimization, and TS fixes

Former-commit-id: 67ac02c8404cc66893fdf97308574701cca6000c

components/blocks/TeamProfile.tsx

@@ -3,6 +3,7 @@ import Image from 'next/image';
 import Reveal from '@/components/Reveal';
 import { Badge, Heading } from '@/components/ui';
 import TrackedLink from '@/components/analytics/TrackedLink';
+import { getButtonClasses, ButtonOverlay } from '@/components/ui/Button';
 
 export interface TeamProfileProps {
   name: string;
@@ -71,17 +72,20 @@ export const TeamProfile: React.FC<TeamProfileProps> = (props) => {
             {linkedinUrl && (
               <TrackedLink
                 href={linkedinUrl}
-                className={`inline-flex items-center px-8 py-4 font-bold rounded-full transition-all duration-300 group ${isDark ? 'bg-accent text-primary-dark hover:bg-white' : 'bg-saturated text-white hover:bg-primary'}`}
+                className={getButtonClasses(isDark ? 'accent' : 'saturated', 'lg')}
                 eventProperties={{
                   type: 'social_linkedin',
                   person: name,
                   location: 'team_page',
                 }}
               >
-                {linkedinLabel || 'LinkedIn'}
-                <span className="ml-3 transition-transform group-hover:translate-x-2">
-                  &rarr;
+                <span className={`relative z-10 flex items-center justify-center gap-2 transition-colors duration-500 ${isDark ? 'group-hover/btn:text-primary-dark' : 'group-hover/btn:text-white'}`}>
+                  {linkedinLabel || 'LinkedIn'}
+                  <span className="ml-3 transition-transform group-hover/btn:translate-x-2">
+                    &rarr;
+                  </span>
                 </span>
+                <ButtonOverlay variant={isDark ? 'accent' : 'saturated'} />
               </TrackedLink>
             )}
           </div>