Finalize multilingual routing and translations

app/[locale]/(site)/portfolio/[slug]/page.tsx

@@ -1,10 +1,18 @@
+import type { Metadata } from "next";
 import { ArrowLeft, CalendarDays, FolderKanban, Tag } from "lucide-react";
 import Link from "next/link";
+import { getTranslations } from "next-intl/server";
 import { notFound } from "next/navigation";
 
+import { Container } from "@/components/layout/container";
 import { MotionFade } from "@/components/motion-fade";
 import { routing } from "@/i18n/routing";
-import { getPortfolioItem, pickText, portfolioItems, resolveLocale } from "@/lib/site-data";
+import { buildLocalizedMetadata } from "@/lib/metadata";
+import { getLocalizedPath, resolveLocale } from "@/lib/locale";
+import { getPortfolioItem, pickText, portfolioItems } from "@/lib/site-data";
+import { AppCard } from "@/components/ui/app-card";
+import { Button } from "@/components/ui/button";
+import { CardContent } from "@/components/ui/card";
 
 type PortfolioItemPageProps = {
   params: {
@@ -22,7 +30,30 @@ export function generateStaticParams() {
   );
 }
 
-export default function PortfolioItemPage({
+export async function generateMetadata({
+  params: { locale, slug },
+}: PortfolioItemPageProps): Promise<Metadata> {
+  const localeKey = resolveLocale(locale);
+  const item = getPortfolioItem(slug);
+
+  if (!item) {
+    return buildLocalizedMetadata({
+      locale: localeKey,
+      pathname: `/portfolio/${slug}`,
+      title: "Portfolio",
+      description: "Portfolio item",
+    });
+  }
+
+  return buildLocalizedMetadata({
+    locale: localeKey,
+    pathname: `/portfolio/${slug}`,
+    title: pickText(item.title, localeKey),
+    description: pickText(item.summary, localeKey),
+  });
+}
+
+export default async function PortfolioItemPage({
   params: { locale, slug },
 }: PortfolioItemPageProps) {
   const localeKey = resolveLocale(locale);
@@ -32,100 +63,83 @@ export default function PortfolioItemPage({
     notFound();
   }
 
-  const copy =
-    localeKey === "de"
-      ? {
-          back: "Zurueck zum Portfolio",
-          challenge: "Herausforderung",
-          solution: "Loesung",
-          outcome: "Ergebnis",
-          challengeText:
-            "Das Projekt brauchte eine klare Informationsarchitektur und schnellere Ladezeiten.",
-          solutionText:
-            "Wir haben Design, Komponenten und Content in einem modularen System aufgebaut.",
-          outcomeText:
-            "Das Team kann Inhalte schneller ausrollen und Nutzer finden schneller zum Ziel.",
-        }
-      : {
-          back: "Back to portfolio",
-          challenge: "Challenge",
-          solution: "Solution",
-          outcome: "Outcome",
-          challengeText:
-            "The project needed clearer information architecture and faster performance.",
-          solutionText:
-            "We built design, components and content in a modular system.",
-          outcomeText:
-            "The team ships content faster and users reach goals more quickly.",
-        };
+  const t = await getTranslations({ locale: localeKey, namespace: "portfolioDetail" });
 
   return (
-    <div className="mx-auto flex w-full max-w-5xl flex-col gap-8 px-4 py-10 sm:px-6 lg:px-8 lg:py-14">
+    <Container size="wide" className="flex flex-col gap-section py-10 lg:py-14">
       <MotionFade>
-        <section className="rounded-3xl border border-default bg-surface p-6   lg:p-10">
-          <Link
-            href={`/${localeKey}/portfolio`}
-            className="inline-flex items-center gap-2 text-sm text-muted transition hover:text-fg"
-          >
-            <ArrowLeft className="h-4 w-4" />
-            {copy.back}
-          </Link>
-          <h1 className="mt-5 text-3xl font-semibold text-fg sm:text-4xl">
-            {pickText(item.title, localeKey)}
-          </h1>
-          <p className="mt-4 text-base text-muted sm:text-lg">
-            {pickText(item.summary, localeKey)}
-          </p>
+        <AppCard level={3}>
+          <CardContent className="p-6 lg:p-10">
+            <Button asChild variant="ghost" className="h-auto px-0 py-0 text-sm">
+              <Link href={getLocalizedPath(localeKey, "/portfolio")}>
+                <ArrowLeft className="h-4 w-4" />
+                {t("back")}
+              </Link>
+            </Button>
 
-          <div className="mt-6 flex flex-wrap gap-3 text-sm text-muted">
-            <span className="inline-flex items-center gap-2 rounded-lg border border-default bg-surface-soft px-3 py-2  ">
-              <Tag className="h-4 w-4" />
-              {pickText(item.category, localeKey)}
-            </span>
-            <span className="inline-flex items-center gap-2 rounded-lg border border-default bg-surface-soft px-3 py-2  ">
-              <CalendarDays className="h-4 w-4" />
-              {item.year}
-            </span>
-            <span className="inline-flex items-center gap-2 rounded-lg border border-default bg-surface-soft px-3 py-2  ">
-              <FolderKanban className="h-4 w-4" />
-              {item.slug}
-            </span>
-          </div>
-        </section>
+            <h1 className="mt-5 text-3xl font-semibold text-foreground sm:text-4xl">
+              {pickText(item.title, localeKey)}
+            </h1>
+            <p className="mt-4 text-base text-muted-foreground sm:text-lg">
+              {pickText(item.summary, localeKey)}
+            </p>
+
+            <div className="mt-6 flex flex-wrap gap-3 text-sm text-foreground/80">
+              {[
+                {
+                  icon: Tag,
+                  label: pickText(item.category, localeKey),
+                },
+                {
+                  icon: CalendarDays,
+                  label: item.year,
+                },
+                {
+                  icon: FolderKanban,
+                  label: item.slug,
+                },
+              ].map((meta) => {
+                const Icon = meta.icon;
+
+                return (
+                  <AppCard key={meta.label} level={2}>
+                    <CardContent className="flex items-center gap-2 p-3">
+                      <Icon className="h-4 w-4 text-brand-primary" />
+                      {meta.label}
+                    </CardContent>
+                  </AppCard>
+                );
+              })}
+            </div>
+          </CardContent>
+        </AppCard>
       </MotionFade>
 
       <div className="grid gap-4 md:grid-cols-3">
-        <MotionFade delay={0.05}>
-          <article className="rounded-2xl border border-default bg-surface p-5  ">
-            <h2 className="text-lg font-semibold text-fg">
-              {copy.challenge}
-            </h2>
-            <p className="mt-2 text-sm text-muted">
-              {copy.challengeText}
-            </p>
-          </article>
-        </MotionFade>
-        <MotionFade delay={0.1}>
-          <article className="rounded-2xl border border-default bg-surface p-5  ">
-            <h2 className="text-lg font-semibold text-fg">
-              {copy.solution}
-            </h2>
-            <p className="mt-2 text-sm text-muted">
-              {copy.solutionText}
-            </p>
-          </article>
-        </MotionFade>
-        <MotionFade delay={0.15}>
-          <article className="rounded-2xl border border-default bg-surface p-5  ">
-            <h2 className="text-lg font-semibold text-fg">
-              {copy.outcome}
-            </h2>
-            <p className="mt-2 text-sm text-muted">
-              {copy.outcomeText}
-            </p>
-          </article>
-        </MotionFade>
+        {[
+          {
+            title: t("challenge"),
+            text: t("challengeText"),
+          },
+          {
+            title: t("solution"),
+            text: t("solutionText"),
+          },
+          {
+            title: t("outcome"),
+            text: t("outcomeText"),
+          },
+        ].map((section, index) => (
+          <MotionFade key={section.title} delay={0.05 * (index + 1)}>
+            <AppCard>
+              <CardContent className="p-5">
+                <h2 className="text-lg font-semibold text-foreground">{section.title}</h2>
+                <p className="mt-2 text-sm text-muted-foreground">{section.text}</p>
+              </CardContent>
+            </AppCard>
+          </MotionFade>
+        ))}
       </div>
-    </div>
+    </Container>
   );
 }