chore: deep semantic HTML audit and improvements across all pages

app/[locale]/contact/page.tsx

@@ -136,7 +136,7 @@ export default async function ContactPage({ params }: ContactPageProps) {
                 <Heading level={3} subtitle={t('info.subtitle')} className="mb-6 md:mb-8">
                   {t('info.howToReachUs')}
                 </Heading>
-                <div className="space-y-4 md:space-y-8">
+                <address className="space-y-4 md:space-y-8 not-italic">
                   <div className="flex items-start gap-4 md:gap-6 group">
                     <div className="w-10 h-10 md:w-14 md:h-14 rounded-xl md:rounded-2xl bg-saturated/10 flex items-center justify-center text-saturated group-hover:bg-accent group-hover:text-primary-dark transition-all duration-300 shadow-sm flex-shrink-0">
                       <svg
@@ -197,7 +197,7 @@ export default async function ContactPage({ params }: ContactPageProps) {
                       </a>
                     </div>
                   </div>
-                </div>
+                </address>
               </div>
 
               <div className="p-6 md:p-10 bg-white rounded-2xl md:rounded-3xl border border-neutral-medium shadow-sm animate-fade-in">