diff --git a/src/app/layout.tsx b/src/app/layout.tsx
index 40ca3b1..d5070fe 100644
--- a/src/app/layout.tsx
+++ b/src/app/layout.tsx
@@ -1,4 +1,5 @@
 import { ConditionalFooter } from "@/components/conditional-footer"
+import { NavigationEasterEgg } from "@/components/easter-egg/navigation-easter-egg"
 import { Header } from "@/components/header/header"
 import { Shape } from "@/components/shapes"
 import { ThemeProvider } from "@/components/theme-provider"
@@ -79,11 +80,11 @@ export default function RootLayout({ children }: Readonly<{ children: React.Reac
             <Shape variant="big-blue" className="-translate-x-1/2 -translate-y-1/2 top-0 left-1/2" />
             <Shape variant="looper" className="-translate-x-1/2 -translate-y-1/2 top-1/2 left-1/2" />
           </div>
-          <div className="flex min-h-screen w-full flex-col items-center justify-start">
+          <NavigationEasterEgg className="flex min-h-screen w-full flex-col items-center justify-start">
             <Header />
             {children}
             <ConditionalFooter />
-          </div>
+          </NavigationEasterEgg>
         </ThemeProvider>
       </body>
     </html>
diff --git a/src/components/easter-egg/constants.ts b/src/components/easter-egg/constants.ts
new file mode 100644
index 0000000..6863a6f
--- /dev/null
+++ b/src/components/easter-egg/constants.ts
@@ -0,0 +1,29 @@
+import { matchesRoutePrefix } from "@/utils/route-match"
+import type { EasterEggPhase, NavCategory, PhaseTransition } from "./types"
+
+const HOME_PATH = "/"
+const GROUPS_PREFIX = "/groups"
+
+export const TRIGGER_COUNT = 10
+
+// chiavi opzionali perché non tutte le fasi hanno una fase successiva (cioé idle)
+export const PHASE_TRANSITIONS: Partial<Record<EasterEggPhase, PhaseTransition>> = {
+  glitch: { to: "card", delay: 1200 },
+  card: { to: "idle", delay: 10000 },
+}
+
+export const PUNCHLINES = [
+  "Hai trovato l'easter egg.\nOra torna a studiare.",
+  "Avanti e indietro, avanti e indietro...\nTi senti realizzato?",
+  `COMPLIMENTI.\nHai sprecato ${TRIGGER_COUNT} click per questo.`,
+  "Non c'è nient'altro qui.\nPuoi tornare alla tua vita.",
+  "Il PoliNetwork ti osserva\nda quando hai iniziato a cliccare.",
+  "Bel tentativo.\nMa qui non succede nient'altro di strano.",
+  "Home, Groups, Home, Groups...\nHai capito il concetto di loop?",
+]
+
+export function getCategory(pathname: string): NavCategory {
+  if (pathname === HOME_PATH) return "home"
+  if (matchesRoutePrefix(pathname, GROUPS_PREFIX)) return "groups"
+  return "other"
+}
diff --git a/src/components/easter-egg/navigation-easter-egg.tsx b/src/components/easter-egg/navigation-easter-egg.tsx
new file mode 100644
index 0000000..7171256
--- /dev/null
+++ b/src/components/easter-egg/navigation-easter-egg.tsx
@@ -0,0 +1,72 @@
+"use client"
+
+import Image from "next/image"
+import { usePathname } from "next/navigation"
+import type { ReactNode } from "react"
+import { useEffect, useRef, useState } from "react"
+import { GenericCard } from "@/components/ui/generic-card"
+import { cn } from "@/lib/utils"
+import { getCategory, PHASE_TRANSITIONS, PUNCHLINES, TRIGGER_COUNT } from "./constants"
+import type { EasterEggPhase, NavCategory } from "./types"
+
+export function NavigationEasterEgg({ children, className }: { children: ReactNode; className?: string }) {
+  const pathname = usePathname()
+  const lastCategoryRef = useRef<NavCategory | null>(null)
+  const toggleCountRef = useRef(0)
+  const [phase, setPhase] = useState<EasterEggPhase>("idle")
+  const [punchline, setPunchline] = useState(PUNCHLINES[0])
+
+  useEffect(() => {
+    const category = getCategory(pathname)
+    const lastCategory = lastCategoryRef.current
+
+    if (category === "other") {
+      toggleCountRef.current = 0
+      lastCategoryRef.current = null
+      return
+    }
+
+    if (lastCategory && lastCategory !== category) {
+      toggleCountRef.current += 1
+      if (toggleCountRef.current >= TRIGGER_COUNT) {
+        toggleCountRef.current = 0
+        setPunchline(PUNCHLINES[Math.floor(Math.random() * PUNCHLINES.length)])
+        setPhase("glitch")
+      }
+    }
+
+    lastCategoryRef.current = category
+  }, [pathname])
+
+  useEffect(() => {
+    const next = PHASE_TRANSITIONS[phase]
+    if (!next) return
+    const timeout = setTimeout(() => setPhase(next.to), next.delay)
+    return () => clearTimeout(timeout)
+  }, [phase])
+
+  return (
+    <>
+      <div className={cn(className, phase === "glitch" && "animate-easter-egg-shake")}>{children}</div>
+
+      {phase === "glitch" && (
+        <div role="presentation" aria-hidden="true" className="pointer-events-none fixed inset-0 z-9999">
+          <div className="absolute inset-0 animate-easter-egg-flicker bg-black mix-blend-difference" />
+          <div className="absolute inset-0 animate-easter-egg-glitch bg-blue-600/40 mix-blend-screen" />
+          <div className="absolute inset-0 animate-easter-egg-glitch bg-sky-300/40 mix-blend-screen [animation-direction:reverse]" />
+        </div>
+      )}
+
+      {phase === "card" && (
+        <div className="fixed inset-0 z-9999 flex items-center justify-center bg-black/50 p-4 backdrop-blur-sm">
+          <GenericCard className="flex animate-easter-egg-card-pop flex-col items-center gap-6 px-10 py-12">
+            <Image src="/polinetwork_meta.png" alt="PoliNetwork" width={120} height={120} priority />
+            <p className="typo-title-large sm:typo-headline-small max-w-sm whitespace-pre-line bg-linear-to-b from-blue-secondary to-blue-primary bg-clip-text text-center font-medium text-transparent">
+              {punchline}
+            </p>
+          </GenericCard>
+        </div>
+      )}
+    </>
+  )
+}
diff --git a/src/components/easter-egg/types.ts b/src/components/easter-egg/types.ts
new file mode 100644
index 0000000..3944dc8
--- /dev/null
+++ b/src/components/easter-egg/types.ts
@@ -0,0 +1,4 @@
+export type NavCategory = "home" | "groups" | "other"
+export type EasterEggPhase = "idle" | "glitch" | "card"
+
+export type PhaseTransition = { to: EasterEggPhase; delay: number }
diff --git a/src/components/ui/generic-card.tsx b/src/components/ui/generic-card.tsx
new file mode 100644
index 0000000..1af8c3e
--- /dev/null
+++ b/src/components/ui/generic-card.tsx
@@ -0,0 +1,6 @@
+import type * as React from "react"
+import { cn } from "@/lib/utils"
+
+export function GenericCard({ className, ...props }: React.ComponentProps<"div">) {
+  return <div className={cn("rounded-3xl bg-white p-6 shadow-2xl", className)} {...props} />
+}
diff --git a/src/components/ui/hero.tsx b/src/components/ui/hero.tsx
index 18d0b47..efc7f9d 100644
--- a/src/components/ui/hero.tsx
+++ b/src/components/ui/hero.tsx
@@ -9,7 +9,7 @@ export function Hero({
 }) {
   return (
     <div className="flex flex-col items-center gap-6">
-      <h2 className="typo-display-large sm:typo-display-extralarge w-fit self-stretch bg-linear-to-b from-text-primary to-text-secondary bg-clip-text py-4 text-center text-transparent sm:py-14">
+      <h2 className="typo-display-large sm:typo-display-extralarge w-fit bg-linear-to-b from-text-primary to-text-secondary bg-clip-text py-4 text-center text-transparent sm:py-14">
         {title}
       </h2>
       <p
diff --git a/src/styles/animations.css b/src/styles/animations.css
index 95b7195..f313931 100644
--- a/src/styles/animations.css
+++ b/src/styles/animations.css
@@ -27,3 +27,113 @@
 @utility animate-accordion-up {
   animation: accordion-up 0.2s ease-out;
 }
+
+@keyframes easter-egg-shake {
+  0%,
+  100% {
+    transform: translate(0, 0);
+  }
+  10% {
+    transform: translate(-6px, 3px);
+  }
+  20% {
+    transform: translate(5px, -4px);
+  }
+  30% {
+    transform: translate(-4px, -3px);
+  }
+  40% {
+    transform: translate(6px, 2px);
+  }
+  50% {
+    transform: translate(-3px, 4px);
+  }
+  60% {
+    transform: translate(4px, -2px);
+  }
+  70% {
+    transform: translate(-5px, 3px);
+  }
+  80% {
+    transform: translate(3px, -3px);
+  }
+  90% {
+    transform: translate(-2px, 2px);
+  }
+}
+
+@keyframes easter-egg-flicker {
+  0%,
+  100% {
+    opacity: 0;
+  }
+  15%,
+  35%,
+  55%,
+  75% {
+    opacity: 0.55;
+  }
+  25%,
+  45%,
+  65%,
+  85% {
+    opacity: 0.15;
+  }
+}
+
+@keyframes easter-egg-glitch {
+  0%,
+  100% {
+    opacity: 0;
+    transform: translateX(0);
+  }
+  20% {
+    opacity: 0.6;
+    transform: translateX(8px);
+  }
+  40% {
+    opacity: 0;
+    transform: translateX(-6px);
+  }
+  60% {
+    opacity: 0.5;
+    transform: translateX(5px);
+  }
+  80% {
+    opacity: 0;
+    transform: translateX(-3px);
+  }
+}
+
+@utility animate-easter-egg-shake {
+  animation: easter-egg-shake 1.2s ease-in-out;
+}
+
+@utility animate-easter-egg-flicker {
+  animation: easter-egg-flicker 1.2s steps(1, end);
+}
+
+@utility animate-easter-egg-glitch {
+  animation: easter-egg-glitch 1.2s steps(1, end);
+}
+
+@keyframes easter-egg-card-pop {
+  0% {
+    transform: scale(0.3);
+    opacity: 0;
+  }
+  60% {
+    transform: scale(1.06);
+    opacity: 1;
+  }
+  80% {
+    transform: scale(0.97);
+  }
+  100% {
+    transform: scale(1);
+  }
+}
+
+@utility animate-easter-egg-card-pop {
+  animation: easter-egg-card-pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
+}