fix: full Apple HIG mobile + SEO audit - all issues resolved

MOBILE RESPONSIVENESS (Apple HIG):
- HeroSection: typography scaled 7xl→4xl sm:5xl md:6xl lg:7xl, responsive px/py, rounded-2xl, active:scale-95
- Cart quantity buttons: h-8→h-11 w-8→w-11 (44px touch target), rounded-xl, active:scale-95
- StorefrontFooter newsletter: responsive w-full sm:w-52 lg:w-64, aria-label, larger touch targets
- StorefrontHeader mobile nav: padding px-6→px-4 py-6→py-5
- AdminTable: overflow-x-auto + min-w-[600px] for horizontal scroll
- AdminOrdersPanel: same table overflow fix
- AdminLayout: mobile px-4 sm:px-6 py-6 sm:py-10
- AdminFilterTabs: responsive text/text sizes
- AdminSidebar hamburger: h-10→h-11 w-10→w-11 (44px touch target)
- DashboardClient: grid gap-3 sm:gap-4, responsive stat text
- OrderEditForm: grid-cols-1 sm:grid-cols-2 (was 2, breaks on mobile)
- BillingClient: min-h-[44px] on select/button
- ProductsClient: h-32 sm:h-40 responsive image height
- StopCard: line-clamp-2 instead of line-clamp-1 on location
- CommunicationsPage: tabs wrapped in overflow-x-auto
- Checkout page: grid breakpoint md not lg
- Tuxedo page: SectionHeader mobile-first, feature grid grid-cols-1 sm:2, label visible
- Tuxedo stats: text-3xl sm:text-4xl

SEO METADATA:
- Root layout: viewport export, full OG/Twitter, metadataBase, keywords, robots
- Tuxedo layout: complete OG + Twitter + canonical + keywords
- Indian River layout: complete OG + Twitter + canonical + keywords
- Tuxedo/IRD FAQ pages: new layout.tsx with full metadata + FAQPage JSON-LD schema
- Tuxedo/IRD Contact pages: new layout.tsx with full metadata
- Pricing page: expanded metadata with OG/Twitter
- Contact page: refactored to layout+ClientPage structure
- Sitemap: updated with dynamic stop URLs, async function

SCHEMA + STRUCTURED DATA:
- FAQPage JSON-LD on FAQ pages
- BreadcrumbList JSON-LD on storefront layouts
- BreadcrumbNav component created (Apple HIG compliant)

BUG FIXES:
- Indian River: replaced raw <img> with Next.js Image component
- Indian River: verified single H1 (others are h2)
- Stop card: location line-clamp-2 for better readability

TYPE CHECK: all pass

src/app/tuxedo/contact/layout.tsx

@@ -0,0 +1,44 @@
+import type { Metadata } from "next";
+import ContactClientPage from "./ContactClientPage";
+
+const BASE_URL = process.env.NEXT_PUBLIC_SITE_URL ?? "https://routecommerce.com";
+
+export const metadata: Metadata = {
+  title: "Contact Us",
+  description: "Get in touch with Tuxedo Corn. Questions about corn orders, pickup stops, or wholesale accounts — we're happy to help.",
+  keywords: ["Tuxedo Corn contact", "Olathe Sweet contact", "corn wholesale inquiry", "order questions"],
+  openGraph: {
+    title: "Contact Us — Tuxedo Corn",
+    description: "Get in touch with Tuxedo Corn. Questions about corn orders, pickup stops, or wholesale accounts.",
+    url: `${BASE_URL}/tuxedo/contact`,
+    siteName: "Tuxedo Corn",
+    locale: "en_US",
+    type: "website",
+    images: [
+      {
+        url: "/og-tuxedo.jpg",
+        width: 1200,
+        height: 630,
+        alt: "Contact Tuxedo Corn",
+      },
+    ],
+  },
+  twitter: {
+    card: "summary_large_image",
+    title: "Contact Us — Tuxedo Corn",
+    description: "Get in touch with Tuxedo Corn. Questions about corn orders, pickup stops, or wholesale accounts.",
+    site: "@TuxedoCorn",
+    images: ["/og-tuxedo.jpg"],
+  },
+  alternates: {
+    canonical: `${BASE_URL}/tuxedo/contact`,
+  },
+  robots: {
+    index: true,
+    follow: true,
+  },
+};
+
+export default function TuxedoContactLayout({ children }: { children: React.ReactNode }) {
+  return <ContactClientPage />;
+}