refactor: Replace hardcoded domain with SITE_URL constant across metadata and schema definitions for improved configurability.

app/[locale]/[slug]/page.tsx

@@ -6,6 +6,7 @@ import { Metadata } from 'next';
 import { getPageBySlug, getAllPages } from '@/lib/pages';
 import { mdxComponents } from '@/components/blog/MDXComponents';
 import { getOGImageMetadata } from '@/lib/metadata';
+import { SITE_URL } from '@/lib/schema';
 
 interface PageProps {
   params: {
@@ -30,7 +31,7 @@ export async function generateStaticParams() {
 
 export async function generateMetadata({ params: { locale, slug } }: PageProps): Promise<Metadata> {
   const pageData = await getPageBySlug(slug, locale);
-  
+
   if (!pageData) return {};
 
   return {
@@ -39,15 +40,15 @@ export async function generateMetadata({ params: { locale, slug } }: PageProps):
     alternates: {
       canonical: `/${locale}/${slug}`,
       languages: {
-        'de': `/de/${slug}`,
-        'en': `/en/${slug}`,
+        de: `/de/${slug}`,
+        en: `/en/${slug}`,
         'x-default': `/en/${slug}`,
       },
     },
     openGraph: {
       title: `${pageData.frontmatter.title} | KLZ Cables`,
       description: pageData.frontmatter.excerpt || '',
-      url: `https://klz-cables.com/${locale}/${slug}`,
+      url: `${SITE_URL}/${locale}/${slug}`,
       images: getOGImageMetadata(slug, pageData.frontmatter.title, locale),
     },
     twitter: {
@@ -75,7 +76,9 @@ export default async function StandardPage({ params: { locale, slug } }: PagePro
         </div>
         <Container className="relative z-10">
           <div className="max-w-4xl animate-slide-up">
-            <Badge variant="accent" className="mb-4 md:mb-6">{t('badge')}</Badge>
+            <Badge variant="accent" className="mb-4 md:mb-6">
+              {t('badge')}
+            </Badge>
             <Heading level={1} className="text-white mb-0">
               {pageData.frontmatter.title}
             </Heading>
@@ -106,9 +109,14 @@ export default async function StandardPage({ params: { locale, slug } }: PagePro
             <div className="relative z-10 max-w-2xl">
               <h3 className="text-2xl md:text-3xl font-bold mb-4">{t('needHelp')}</h3>
               <p className="text-lg text-white/70 mb-8">{t('supportTeamAvailable')}</p>
-              <a href={`/${locale}/contact`} className="inline-flex items-center px-8 py-4 bg-accent text-primary-dark font-bold rounded-full hover:bg-white transition-all duration-300 group/link">
-                {t('contactUs')} 
-                <span className="ml-2 transition-transform group-hover/link:translate-x-1">&rarr;</span>
+              <a
+                href={`/${locale}/contact`}
+                className="inline-flex items-center px-8 py-4 bg-accent text-primary-dark font-bold rounded-full hover:bg-white transition-all duration-300 group/link"
+              >
+                {t('contactUs')}
+                <span className="ml-2 transition-transform group-hover/link:translate-x-1">
+                  &rarr;
+                </span>
               </a>
             </div>
           </div>
@@ -116,4 +124,4 @@ export default async function StandardPage({ params: { locale, slug } }: PagePro
       </div>
     </div>
   );
-}
+}