feat: complete website implementation

app/layout.tsx

@@ -1,20 +1,29 @@
 import type { Metadata } from "next";
-import { Geist, Geist_Mono } from "next/font/google";
+import { Inter, Poppins } from "next/font/google";
+import { Header } from "@/components/layout/Header";
+import { TrustBar } from "@/components/layout/TrustBar";
+import { Footer } from "@/components/layout/Footer";
+import { GoogleAnalytics, GoogleTagManager } from "@next/third-parties/google";
 import "./globals.css";
 
-const geistSans = Geist({
-  variable: "--font-geist-sans",
-  subsets: ["latin"],
+const fontSans = Inter({
+  variable: "--font-sans",
+  subsets: ["latin", "latin-ext"],
 });
 
-const geistMono = Geist_Mono({
-  variable: "--font-geist-mono",
-  subsets: ["latin"],
+const fontHeading = Poppins({
+  variable: "--font-heading",
+  weight: ["400", "500", "600", "700", "800"],
+  subsets: ["latin", "latin-ext"],
 });
 
 export const metadata: Metadata = {
-  title: "Create Next App",
-  description: "Generated by create next app",
+  title: {
+    default: "Klimatyzacja, pompy ciepła i usługi domowe",
+    template: "%s | HVAC & Usługi Domowe",
+  },
+  description: "Montaż klimatyzacji, pompy ciepła, remonty i hydraulika. Dobór, montaż i serwis. Darmowa konsultacja.",
+  metadataBase: new URL("http://localhost:3000"),
 };
 
 export default function RootLayout({
@@ -24,10 +33,21 @@ export default function RootLayout({
 }>) {
   return (
     <html
-      lang="en"
-      className={`${geistSans.variable} ${geistMono.variable} h-full antialiased`}
+      lang="pl"
+      className={`${fontSans.variable} ${fontHeading.variable} h-full antialiased`}
     >
-      <body className="min-h-full flex flex-col">{children}</body>
+      {process.env.NEXT_PUBLIC_GTM_ID && (
+        <GoogleTagManager gtmId={process.env.NEXT_PUBLIC_GTM_ID} />
+      )}
+      <body className="min-h-full flex flex-col bg-background text-foreground">
+        <Header />
+        <main className="flex-grow">{children}</main>
+        <TrustBar />
+        <Footer />
+        {process.env.NEXT_PUBLIC_GA_ID && (
+          <GoogleAnalytics gaId={process.env.NEXT_PUBLIC_GA_ID} />
+        )}
+      </body>
     </html>
   );
 }