Unpublish /landscape for now

Redirects to home, drops it from nav, and removes the dangling exec-summary
link. Content stays in the file (not deleted) for an easy revert later.

src/app/(marketing)/executive-summary/page.tsx

@@ -2,8 +2,6 @@ import type { CSSProperties } from "react";
 
 import type { Metadata } from "next";
 import Image from "next/image";
-import Link from "next/link";
-import { ArrowRight } from "lucide-react";
 
 import { MedscribeLogo } from "~/components/medscribe-logo";
 import { PhoneMockup } from "~/components/phone-mockup";
@@ -250,13 +248,6 @@ export default function ExecutiveSummaryPage() {
               </p>
             </CardContent>
           </Card>
-          <Link
-            href="/landscape"
-            className="inline-flex items-center gap-1.5 text-sm font-medium text-primary underline-offset-4 hover:underline"
-          >
-            See the full landscape
-            <ArrowRight className="size-4" />
-          </Link>
         </section>
 
         {/* Under the hood */}

src/app/(marketing)/landscape/page.tsx

@@ -1,4 +1,5 @@
 import type { Metadata } from "next";
+import { redirect } from "next/navigation";
 
 import { SectionLabel } from "~/components/section-label";
 import {
@@ -63,6 +64,11 @@ const bundle = [
 ];
 
 export default function LandscapePage() {
+  // Unpublished for now — not part of what external contacts (e.g. the
+  // Northwell introduction) should see. Content is kept in place, not
+  // deleted, so this is a one-line revert when we want it public again.
+  redirect("/");
+
   return (
     <div className="mx-auto max-w-6xl space-y-14 px-4 py-10 sm:px-6 lg:space-y-20 lg:py-14">
       {/* Hero */}

src/components/site-header.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 import { useState } from "react";
-import { FileText, Home, Layers, Menu, X } from "lucide-react";
+import { FileText, Home, Menu, X } from "lucide-react";
 import Link from "next/link";
 import { usePathname } from "next/navigation";
 
@@ -11,7 +11,6 @@ import { cn } from "~/lib/utils";
 const navLinks = [
   { href: "/", label: "About", icon: Home },
   { href: "/executive-summary", label: "Summary", icon: FileText },
-  { href: "/landscape", label: "Landscape", icon: Layers },
 ];
 
 export function SiteHeader() {