Improve SEO metadata and structured data

app/[lang]/page.tsx

@@ -1,7 +1,8 @@
 import type { Metadata } from "next";
 import { notFound } from "next/navigation";
 import { HomePage } from "@/components/home-page";
-import { getPortfolioContent, isLanguage, languages, type Language } from "@/data/portfolio";
+import { isLanguage, languages, type Language } from "@/data/portfolio";
+import { getHomeMetadata } from "@/data/seo";
 
 export function generateStaticParams() {
   return languages.map((lang) => ({ lang }));
@@ -12,20 +13,7 @@ export function generateMetadata({ params }: { params: { lang: string } }): Meta
     return {};
   }
 
-  const language = params.lang as Language;
-  const t = getPortfolioContent(language);
-
-  return {
-    title: t.meta.title,
-    description: t.meta.description,
-    alternates: {
-      canonical: `/${language}`,
-      languages: {
-        en: "/en",
-        ar: "/ar",
-      },
-    },
-  };
+  return getHomeMetadata(params.lang as Language);
 }
 
 export default function LocalizedHomePage({ params }: { params: { lang: string } }) {

app/[lang]/resume/page.tsx

@@ -1,7 +1,8 @@
 import type { Metadata } from "next";
 import { notFound } from "next/navigation";
 import { ResumePageContent } from "@/components/resume-page-content";
-import { getPortfolioContent, isLanguage, languages, type Language } from "@/data/portfolio";
+import { isLanguage, languages, type Language } from "@/data/portfolio";
+import { getResumeMetadata } from "@/data/seo";
 
 export function generateStaticParams() {
   return languages.map((lang) => ({ lang }));
@@ -12,20 +13,7 @@ export function generateMetadata({ params }: { params: { lang: string } }): Meta
     return {};
   }
 
-  const language = params.lang as Language;
-  const t = getPortfolioContent(language);
-
-  return {
-    title: language === "ar" ? `السيرة الذاتية | ${t.meta.title}` : `Resume | ${t.meta.title}`,
-    description: t.resume.description,
-    alternates: {
-      canonical: `/${language}/resume`,
-      languages: {
-        en: "/en/resume",
-        ar: "/ar/resume",
-      },
-    },
-  };
+  return getResumeMetadata(params.lang as Language);
 }
 
 export default function LocalizedResumePage({ params }: { params: { lang: string } }) {

app/layout.tsx

@@ -1,6 +1,8 @@
 import type { Metadata } from "next";
 import "./globals.css";
 import "./portfolio.css";
+import { getDefaultSeoMetadata } from "@/data/seo";
+import { siteUrl } from "@/data/site-config";
 
 const themeInitScript = `
 (() => {
@@ -18,22 +20,8 @@ const themeInitScript = `
 `;
 
 export const metadata: Metadata = {
-  title: "Grace Butrus Salmoun | Architectural Engineer Specialized in Architectural Design",
-  description:
-    "A bilingual architecture portfolio for Grace Butrus Salmoun, an architectural engineer specialized in architectural design, working across urban rehabilitation, landscape, shop drawings, and visual presentation.",
-  metadataBase: new URL("https://grace-salamoun-architect.vercel.app"),
-  openGraph: {
-    title: "Grace Butrus Salmoun | Architectural Engineer Specialized in Architectural Design",
-    description:
-      "Architectural design, urban rehabilitation, landscape, shop drawings, and visual presentation in English and Arabic.",
-    type: "website",
-  },
-  twitter: {
-    card: "summary_large_image",
-    title: "Grace Butrus Salmoun | Architectural Engineer Specialized in Architectural Design",
-    description:
-      "A bilingual architecture portfolio featuring selected works, technical documentation, and visual presentation.",
-  },
+  metadataBase: new URL(siteUrl),
+  ...getDefaultSeoMetadata(),
 };
 
 export default function RootLayout({

app/robots.ts

@@ -1,4 +1,5 @@
-import type { MetadataRoute } from "next";
+import type { MetadataRoute } from "next";
+import { absoluteUrl, siteUrl } from "@/data/site-config";
 
 export default function robots(): MetadataRoute.Robots {
   return {
@@ -6,6 +7,7 @@ export default function robots(): MetadataRoute.Robots {
       userAgent: "*",
       allow: "/",
     },
-    sitemap: "https://grace-salamoun-architect.vercel.app/sitemap.xml",
+    host: siteUrl,
+    sitemap: absoluteUrl("/sitemap.xml"),
   };
 }

app/sitemap.ts

@@ -1,30 +1,30 @@
-import type { MetadataRoute } from "next";
+import type { MetadataRoute } from "next";
+import { absoluteUrl } from "@/data/site-config";
 
 export default function sitemap(): MetadataRoute.Sitemap {
-  const baseUrl = "https://grace-salamoun-architect.vercel.app";
-  const lastModified = new Date("2026-04-18T00:00:00.000Z");
+  const lastModified = new Date();
 
   return [
     {
-      url: `${baseUrl}/en`,
+      url: absoluteUrl("/en"),
       lastModified,
       changeFrequency: "monthly",
       priority: 1,
     },
     {
-      url: `${baseUrl}/ar`,
+      url: absoluteUrl("/ar"),
       lastModified,
       changeFrequency: "monthly",
       priority: 1,
     },
     {
-      url: `${baseUrl}/en/resume`,
+      url: absoluteUrl("/en/resume"),
       lastModified,
       changeFrequency: "monthly",
       priority: 0.8,
     },
     {
-      url: `${baseUrl}/ar/resume`,
+      url: absoluteUrl("/ar/resume"),
       lastModified,
       changeFrequency: "monthly",
       priority: 0.8,