feat(analytics): implement total transparency suite and SEO metadata standardization

- Added global ScrollDepthTracker (25%, 50%, 75%, 100%)
- Implemented ProductEngagementTracker for deep product analytics
- Added field-level tracking to ContactForm and RequestQuoteForm
- Standardized SEO metadata (canonical, alternates, x-default) across all routes
- Created reusable TrackedLink and TrackedButton components for server components
- Fixed 'useAnalytics' hook error in Footer.tsx by adding 'use client'

app/[locale]/team/page.tsx

@@ -6,6 +6,7 @@ import { Section, Container, Heading, Badge, Button } from '@/components/ui';
 import Image from 'next/image';
 import Reveal from '@/components/Reveal';
 import Gallery from '@/components/team/Gallery';
+import TrackedButton from '@/components/analytics/TrackedButton';
 
 interface TeamPageProps {
   params: Promise<{
@@ -22,11 +23,11 @@ export async function generateMetadata({ params }: TeamPageProps): Promise<Metad
     title,
     description,
     alternates: {
-      canonical: `/${locale}/team`,
+      canonical: `${SITE_URL}/${locale}/team`,
       languages: {
-        de: '/de/team',
-        en: '/en/team',
-        'x-default': '/en/team',
+        de: `${SITE_URL}/de/team`,
+        en: `${SITE_URL}/en/team`,
+        'x-default': `${SITE_URL}/en/team`,
       },
     },
     openGraph: {
@@ -133,15 +134,20 @@ export default async function TeamPage({ params }: TeamPageProps) {
               <p className="text-base md:text-xl leading-relaxed text-white/70 mb-6 md:mb-12 max-w-xl">
                 {t('michael.description')}
               </p>
-              <Button
+              <TrackedButton
                 href="https://www.linkedin.com/in/michael-bodemer-33b493122/"
                 variant="accent"
                 size="lg"
                 className="group w-full md:w-auto md:h-16 md:px-10 md:text-xl active:scale-95 transition-transform"
+                eventProperties={{
+                  type: 'social_linkedin',
+                  person: 'Michael Bodemer',
+                  location: 'team_page',
+                }}
               >
                 {t('michael.linkedin')}
                 <span className="ml-3 transition-transform group-hover:translate-x-2">&rarr;</span>
-              </Button>
+              </TrackedButton>
             </div>
           </Reveal>
           <Reveal className="w-full lg:w-1/2 relative min-h-[400px] md:min-h-[600px] lg:min-h-screen overflow-hidden order-1 lg:order-2">
@@ -241,15 +247,20 @@ export default async function TeamPage({ params }: TeamPageProps) {
               <p className="text-base md:text-xl leading-relaxed text-text-secondary mb-6 md:mb-12 max-w-xl">
                 {t('klaus.description')}
               </p>
-              <Button
+              <TrackedButton
                 href="https://www.linkedin.com/in/klaus-mintel-b80a8b193/"
                 variant="saturated"
                 size="lg"
                 className="group w-full md:w-auto md:h-16 md:px-10 md:text-xl active:scale-95 transition-transform"
+                eventProperties={{
+                  type: 'social_linkedin',
+                  person: 'Klaus Mintel',
+                  location: 'team_page',
+                }}
               >
                 {t('klaus.linkedin')}
                 <span className="ml-3 transition-transform group-hover:translate-x-2">&rarr;</span>
-              </Button>
+              </TrackedButton>
             </div>
           </Reveal>
         </div>