diff --git a/src/app/components/landing/SiteHeader.tsx b/src/app/components/landing/SiteHeader.tsx
new file mode 100644
index 0000000..5b7ae06
--- /dev/null
+++ b/src/app/components/landing/SiteHeader.tsx
@@ -0,0 +1,109 @@
+"use client";
+
+import Link from "next/link";
+import { Landmark, Menu, PlayCircle, X } from "lucide-react";
+import { usePathname } from "next/navigation";
+import { useState } from "react";
+import { activeTour, navigation } from "@/app/content";
+
+export function SiteHeader() {
+  const pathname = usePathname();
+  const [mobileMenuOpen, setMobileMenuOpen] = useState(false);
+
+  return (
+    <header className="public-header sticky top-0 z-50 border-b border-[var(--surface-border)] bg-[rgb(255_255_255_/_0.82)] shadow-[0_16px_46px_rgb(37_75_54_/_0.08)] backdrop-blur-[18px]">
+      <nav className="mx-auto flex h-[72px] max-w-7xl items-center justify-between gap-5 px-4 sm:px-6">
+        <Link
+          href="/"
+          className="flex min-w-0 items-center gap-3"
+          aria-label="VR360 Di sản Như Quỳnh"
+        >
+          <span className="public-logo-mark grid h-11 w-11 shrink-0 place-items-center overflow-hidden rounded-full border border-[rgb(142_95_11_/_0.24)] bg-[linear-gradient(135deg,rgb(255_255_255_/_0.94),rgb(232_219_176_/_0.74))] shadow-[0_10px_24px_rgb(37_75_54_/_0.1),inset_0_1px_0_rgb(255_255_255_/_0.92)]">
+            <Landmark className="h-5 w-5 text-[var(--primary)]" strokeWidth={1.8} />
+          </span>
+          <span className="min-w-0">
+            <span className="block truncate text-sm font-bold leading-tight text-[var(--tour-ink)] sm:text-base">
+              VR360 Như Quỳnh
+            </span>
+            <span className="hidden truncate text-xs leading-5 text-[var(--muted-foreground)] sm:block">
+              Di sản văn hóa Xã Như Quỳnh
+            </span>
+          </span>
+        </Link>
+
+        <div className="hidden items-center gap-6 lg:flex">
+          {navigation.map((item) => {
+            const isActive = item.href === "/" ? pathname === item.href : pathname.startsWith(item.href);
+            return (
+              <Link
+                key={item.href}
+                className={`public-nav-link text-sm font-semibold transition-colors ${
+                  isActive
+                    ? "text-[var(--primary)]"
+                    : "text-[var(--muted-foreground)] hover:text-[var(--tour-ink)]"
+                }`}
+                href={item.href}
+                aria-current={isActive ? "page" : undefined}
+              >
+                {item.label}
+              </Link>
+            );
+          })}
+        </div>
+
+        <div className="flex items-center gap-3">
+          <Link
+            href={activeTour.href}
+            className="public-header-cta hidden min-h-10 items-center gap-2 rounded-full border border-[rgb(214_180_104_/_0.42)] bg-[rgb(16_57_43_/_0.94)] px-4 text-sm font-bold text-[var(--primary-foreground)] shadow-[0_10px_28px_rgb(37_75_54_/_0.12)] transition-all hover:-translate-y-0.5 hover:shadow-[0_14px_34px_rgb(37_75_54_/_0.18)] sm:inline-flex"
+          >
+            <PlayCircle className="h-4 w-4 text-[var(--tour-gold-light)]" strokeWidth={1.8} />
+            Khám phá VR360
+          </Link>
+
+          <button
+            onClick={() => setMobileMenuOpen((open) => !open)}
+            className="grid h-10 w-10 place-items-center rounded-[8px] border border-[var(--surface-border)] bg-[rgb(255_255_255_/_0.8)] text-[var(--tour-ink)] shadow-[0_10px_28px_rgb(37_75_54_/_0.08)] transition-transform active:scale-[0.98] lg:hidden"
+            aria-label="Menu"
+            aria-expanded={mobileMenuOpen}
+          >
+            {mobileMenuOpen ? <X className="h-5 w-5" strokeWidth={1.8} /> : <Menu className="h-5 w-5" strokeWidth={1.8} />}
+          </button>
+        </div>
+      </nav>
+
+      <div
+        className={`overflow-hidden border-t border-[var(--surface-border)] bg-[rgb(255_255_255_/_0.9)] transition-[max-height] duration-240 lg:hidden ${
+          mobileMenuOpen ? "max-h-80" : "max-h-0"
+        }`}
+      >
+        <div className="grid gap-2 px-4 py-4">
+          {navigation.map((item) => {
+            const isActive = item.href === "/" ? pathname === item.href : pathname.startsWith(item.href);
+            return (
+              <Link
+                key={item.href}
+                href={item.href}
+                onClick={() => setMobileMenuOpen(false)}
+                className={`rounded-[8px] border px-4 py-3 text-sm font-medium transition-colors ${
+                  isActive
+                    ? "border-[var(--primary)]/35 bg-[var(--surface-glass-strong)] text-[var(--primary)]"
+                    : "border-[var(--surface-border)] bg-[var(--surface-glass)] text-[var(--tour-ink)] hover:bg-[var(--surface-glass-strong)]"
+                }`}
+              >
+                {item.label}
+              </Link>
+            );
+          })}
+          <Link
+            href={activeTour.href}
+            onClick={() => setMobileMenuOpen(false)}
+            className="inline-flex items-center justify-center gap-2 rounded-full border border-[rgb(214_180_104_/_0.42)] bg-[rgb(16_57_43_/_0.94)] px-4 py-3 text-sm font-bold text-[var(--primary-foreground)]"
+          >
+            <PlayCircle className="h-4 w-4 text-[var(--tour-gold-light)]" strokeWidth={1.8} />
+            Khám phá VR360
+          </Link>
+        </div>
+      </div>
+    </header>
+  );
+}