diff --git a/app/[locale]/page.tsx b/app/[locale]/page.tsx
index 72e2f9d..d71ecd3 100644
--- a/app/[locale]/page.tsx
+++ b/app/[locale]/page.tsx
@@ -2,7 +2,7 @@ import { Link } from '@/src/i18n/navigation'
 import Image from 'next/image'
 import { getAllPosts } from '@/lib/markdown'
 import { formatDate } from '@/lib/utils'
-import { ThemeToggle } from '@/components/theme-toggle'
+import { HeroHeader } from '@/components/layout/hero-header'
 import { setRequestLocale, getTranslations } from 'next-intl/server'
 
 type Props = {
@@ -29,29 +29,11 @@ export default async function HomePage({ params }: Props) {
         <div className="relative z-10 max-w-5xl mx-auto px-6 w-full">
           <div className="border-4 border-slate-300 dark:border-slate-700 bg-white/80 dark:bg-slate-900/80 p-8 md:p-12 transition-colors duration-300">
             {/* Logo */}
-            <div className="mb-8 flex items-center justify-between border-b-2 border-slate-300 dark:border-slate-800 pb-4">
-              <div className="flex items-center gap-3">
-                <Image src="/logo.png" alt="Logo" width={32} height={32} className="opacity-80" />
-                <span className="font-mono text-xs text-slate-500 uppercase tracking-widest">
-                  {t('terminalVersion')}
-                </span>
-              </div>
-              <div className="flex gap-4 items-center">
-                <Link
-                  href="/blog"
-                  className="font-mono text-xs text-slate-600 dark:text-slate-400 uppercase tracking-wider hover:text-cyan-600 dark:hover:text-cyan-400"
-                >
-                  [{tNav('blog')}]
-                </Link>
-                <Link
-                  href="/about"
-                  className="font-mono text-xs text-slate-600 dark:text-slate-400 uppercase tracking-wider hover:text-cyan-600 dark:hover:text-cyan-400"
-                >
-                  [{tNav('about')}]
-                </Link>
-                <ThemeToggle />
-              </div>
-            </div>
+            <HeroHeader
+              terminalVersion={t('terminalVersion')}
+              blogLabel={tNav('blog')}
+              aboutLabel={tNav('about')}
+            />
 
             <div className="border-l-4 border-cyan-700 dark:border-cyan-900 pl-6 mb-8">
               <p className="font-mono text-xs text-slate-500 dark:text-slate-500 uppercase tracking-widest mb-2">
diff --git a/app/globals.css b/app/globals.css
index 7d82f03..3340151 100644
--- a/app/globals.css
+++ b/app/globals.css
@@ -449,3 +449,83 @@
     margin-bottom: 3rem;
   }
 }
+
+/* === MOBILE RESPONSIVE UTILITIES === */
+@media (max-width: 767px) {
+  .show-mobile-only {
+    display: block;
+  }
+  .hide-mobile {
+    display: none !important;
+  }
+}
+
+@media (min-width: 768px) {
+  .show-mobile-only {
+    display: none !important;
+  }
+  .hide-mobile {
+    display: block;
+  }
+}
+
+/* === BUTTON GLITCH EFFECT === */
+@layer utilities {
+  .glitch-btn-cyber {
+    --glitch-shimmy: 5;
+    --glitch-clip-1: polygon(0 2%, 100% 2%, 100% 95%, 95% 95%, 95% 90%, 85% 90%, 85% 95%, 8% 95%, 0 70%);
+    --glitch-clip-2: polygon(0 78%, 100% 78%, 100% 100%, 95% 100%, 95% 90%, 85% 90%, 85% 100%, 8% 100%, 0 78%);
+    --glitch-clip-3: polygon(0 44%, 100% 44%, 100% 54%, 95% 54%, 95% 54%, 85% 54%, 85% 54%, 8% 54%, 0 54%);
+    --glitch-clip-4: polygon(0 0, 100% 0, 100% 0, 95% 0, 95% 0, 85% 0, 85% 0, 8% 0, 0 0);
+    --glitch-clip-5: polygon(0 40%, 100% 40%, 100% 85%, 95% 85%, 95% 85%, 85% 85%, 85% 85%, 8% 85%, 0 70%);
+    --glitch-clip-6: polygon(0 63%, 100% 63%, 100% 80%, 95% 80%, 95% 80%, 85% 80%, 85% 80%, 8% 80%, 0 70%);
+  }
+
+  .glitch-overlay {
+    position: absolute;
+    inset: 0;
+    display: none;
+    align-items: center;
+    justify-content: center;
+    pointer-events: none;
+    color: var(--neon-cyan);
+    z-index: 10;
+  }
+
+  .glitch-btn-cyber:is(:hover, :focus-visible) .glitch-overlay {
+    display: flex;
+    animation: glitch-btn-animate 2s infinite;
+  }
+
+  @keyframes glitch-btn-animate {
+    0% { clip-path: var(--glitch-clip-1); }
+    2%, 8% { clip-path: var(--glitch-clip-2); transform: translate(calc(var(--glitch-shimmy) * -1%), 0); }
+    6% { clip-path: var(--glitch-clip-2); transform: translate(calc(var(--glitch-shimmy) * 1%), 0); }
+    9% { clip-path: var(--glitch-clip-2); transform: translate(0, 0); }
+    10% { clip-path: var(--glitch-clip-3); transform: translate(calc(var(--glitch-shimmy) * 1%), 0); }
+    13% { clip-path: var(--glitch-clip-3); transform: translate(0, 0); }
+    14%, 21% { clip-path: var(--glitch-clip-4); transform: translate(calc(var(--glitch-shimmy) * 1%), 0); }
+    25%, 30% { clip-path: var(--glitch-clip-5); transform: translate(calc(var(--glitch-shimmy) * -1%), 0); }
+    35%, 45% { clip-path: var(--glitch-clip-6); transform: translate(calc(var(--glitch-shimmy) * -1%), 0); }
+    40% { clip-path: var(--glitch-clip-6); transform: translate(calc(var(--glitch-shimmy) * 1%), 0); }
+    50% { clip-path: var(--glitch-clip-6); transform: translate(0, 0); }
+    55% { clip-path: var(--glitch-clip-3); transform: translate(calc(var(--glitch-shimmy) * 1%), 0); }
+    60% { clip-path: var(--glitch-clip-3); transform: translate(0, 0); }
+    61%, 100% { clip-path: var(--glitch-clip-4); }
+  }
+
+  .glitch-btn-subtle {
+    --glitch-shimmy: 2;
+  }
+
+  .glitch-overlay-pink { color: var(--neon-pink); }
+  .glitch-overlay-purple { color: var(--neon-purple); }
+  .glitch-overlay-magenta { color: var(--neon-magenta); }
+
+  @media (prefers-reduced-motion: reduce) {
+    .glitch-btn-cyber:is(:hover, :focus-visible) .glitch-overlay {
+      animation: none;
+      display: none;
+    }
+  }
+}
diff --git a/components/blog/navbar.tsx b/components/blog/navbar.tsx
index d226c3d..476a7c0 100644
--- a/components/blog/navbar.tsx
+++ b/components/blog/navbar.tsx
@@ -5,11 +5,13 @@ import { useTranslations } from 'next-intl'
 import { Link } from '@/i18n/navigation'
 import { ThemeToggle } from '@/components/theme-toggle'
 import LanguageSwitcher from '@/components/layout/LanguageSwitcher'
+import { GlitchButton } from '@/components/effects/glitch-button'
 
 export function Navbar() {
   const t = useTranslations('Navigation')
   const [isVisible, setIsVisible] = useState(true)
   const [lastScrollY, setLastScrollY] = useState(0)
+  const [isMobileMenuOpen, setIsMobileMenuOpen] = useState(false)
 
   useEffect(() => {
     const handleScroll = () => {
@@ -19,6 +21,7 @@ export function Navbar() {
         setIsVisible(true)
       } else if (currentScrollY > lastScrollY) {
         setIsVisible(false)
+        setIsMobileMenuOpen(false)
       } else {
         setIsVisible(true)
       }
@@ -44,11 +47,12 @@ export function Navbar() {
             >
               &lt; {t('home')}
             </Link>
-            <span className="font-mono text-sm text-zinc-100 dark:text-zinc-300 uppercase tracking-wider">
+            <span className="font-mono text-sm text-zinc-100 dark:text-zinc-300 uppercase tracking-wider hidden md:block">
               // <span style={{ color: 'var(--neon-pink)' }}>{t('blog')}</span> ARCHIVE
             </span>
           </div>
-          <div className="flex items-center gap-6">
+
+          <div className="hidden md:flex items-center gap-6">
             <Link
               href="/about"
               className="font-mono text-sm text-zinc-400 dark:text-zinc-500 uppercase tracking-wider hover:text-cyan-400 dark:hover:text-cyan-300 transition-colors cursor-pointer"
@@ -64,7 +68,45 @@ export function Navbar() {
             <ThemeToggle />
             <LanguageSwitcher />
           </div>
+
+          <div className="md:hidden flex items-center gap-4">
+            <GlitchButton
+              variant="subtle"
+              glitchColor="cyan"
+              onClick={() => setIsMobileMenuOpen(!isMobileMenuOpen)}
+              className="font-mono text-sm uppercase tracking-wider px-4 py-2 border-4 border-slate-700 bg-slate-800 dark:bg-zinc-900 text-zinc-100 dark:text-zinc-300 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-cyan-500"
+              aria-label="Toggle mobile menu"
+              aria-expanded={isMobileMenuOpen}
+            >
+              // {isMobileMenuOpen ? 'CLOSE' : 'MENU'}
+            </GlitchButton>
+          </div>
         </div>
+
+        {isMobileMenuOpen && (
+          <div className="md:hidden mt-4 pt-4 border-t-4 border-slate-700">
+            <div className="flex flex-col gap-4">
+              <Link
+                href="/about"
+                className="font-mono text-sm text-zinc-400 dark:text-zinc-500 uppercase tracking-wider hover:text-cyan-400 dark:hover:text-cyan-300 transition-colors cursor-pointer px-4 py-2 border-2 border-slate-700"
+                onClick={() => setIsMobileMenuOpen(false)}
+              >
+                [{t('about')}]
+              </Link>
+              <Link
+                href="/blog"
+                className="font-mono text-sm text-zinc-400 dark:text-zinc-500 uppercase tracking-wider hover:text-cyan-400 dark:hover:text-cyan-300 transition-colors cursor-pointer px-4 py-2 border-2 border-slate-700"
+                onClick={() => setIsMobileMenuOpen(false)}
+              >
+                [{t('blog')}]
+              </Link>
+              <div className="flex items-center gap-4 px-4 py-2">
+                <ThemeToggle />
+                <LanguageSwitcher />
+              </div>
+            </div>
+          </div>
+        )}
       </div>
     </nav>
   )
diff --git a/components/blog/navbar.tsx.bak b/components/blog/navbar.tsx.bak
new file mode 100644
index 0000000..d226c3d
--- /dev/null
+++ b/components/blog/navbar.tsx.bak
@@ -0,0 +1,71 @@
+'use client'
+
+import { useEffect, useState } from 'react'
+import { useTranslations } from 'next-intl'
+import { Link } from '@/i18n/navigation'
+import { ThemeToggle } from '@/components/theme-toggle'
+import LanguageSwitcher from '@/components/layout/LanguageSwitcher'
+
+export function Navbar() {
+  const t = useTranslations('Navigation')
+  const [isVisible, setIsVisible] = useState(true)
+  const [lastScrollY, setLastScrollY] = useState(0)
+
+  useEffect(() => {
+    const handleScroll = () => {
+      const currentScrollY = window.scrollY
+
+      if (currentScrollY < 10) {
+        setIsVisible(true)
+      } else if (currentScrollY > lastScrollY) {
+        setIsVisible(false)
+      } else {
+        setIsVisible(true)
+      }
+
+      setLastScrollY(currentScrollY)
+    }
+
+    window.addEventListener('scroll', handleScroll, { passive: true })
+    return () => window.removeEventListener('scroll', handleScroll)
+  }, [lastScrollY])
+
+  return (
+    <nav
+      className={`border-b-4 border-slate-700 bg-slate-900 dark:bg-zinc-950 sticky top-0 z-50 ${isVisible ? 'navbar-visible' : 'navbar-hidden'}`}
+    >
+      <div className="max-w-7xl mx-auto px-6 py-4">
+        <div className="flex items-center justify-between">
+          <div className="flex items-center gap-8">
+            <Link
+              href="/"
+              className="font-mono text-sm uppercase tracking-wider transition-colors cursor-pointer"
+              style={{ color: 'var(--neon-cyan)' }}
+            >
+              &lt; {t('home')}
+            </Link>
+            <span className="font-mono text-sm text-zinc-100 dark:text-zinc-300 uppercase tracking-wider">
+              // <span style={{ color: 'var(--neon-pink)' }}>{t('blog')}</span> ARCHIVE
+            </span>
+          </div>
+          <div className="flex items-center gap-6">
+            <Link
+              href="/about"
+              className="font-mono text-sm text-zinc-400 dark:text-zinc-500 uppercase tracking-wider hover:text-cyan-400 dark:hover:text-cyan-300 transition-colors cursor-pointer"
+            >
+              [{t('about')}]
+            </Link>
+            <Link
+              href="/blog"
+              className="font-mono text-sm text-zinc-400 dark:text-zinc-500 uppercase tracking-wider hover:text-cyan-400 dark:hover:text-cyan-300 transition-colors cursor-pointer"
+            >
+              [{t('blog')}]
+            </Link>
+            <ThemeToggle />
+            <LanguageSwitcher />
+          </div>
+        </div>
+      </div>
+    </nav>
+  )
+}
diff --git a/components/effects/glitch-button.tsx b/components/effects/glitch-button.tsx
new file mode 100644
index 0000000..ebdbffc
--- /dev/null
+++ b/components/effects/glitch-button.tsx
@@ -0,0 +1,54 @@
+'use client'
+
+import React from 'react'
+import { cn } from '@/lib/utils'
+
+interface GlitchButtonProps extends React.ButtonHTMLAttributes<HTMLButtonElement> {
+  children: React.ReactNode
+  variant?: 'default' | 'subtle'
+  glitchColor?: 'cyan' | 'pink' | 'purple' | 'magenta'
+  disabled?: boolean
+}
+
+export function GlitchButton({
+  children,
+  variant = 'default',
+  glitchColor = 'cyan',
+  disabled = false,
+  className,
+  ...props
+}: GlitchButtonProps) {
+  const glitchClasses = !disabled
+    ? cn(
+        'glitch-btn-cyber',
+        variant === 'subtle' && 'glitch-btn-subtle',
+        'relative'
+      )
+    : ''
+
+  const overlayColorClass = {
+    cyan: '',
+    pink: 'glitch-overlay-pink',
+    purple: 'glitch-overlay-purple',
+    magenta: 'glitch-overlay-magenta',
+  }[glitchColor]
+
+  return (
+    <button
+      className={cn(glitchClasses, className)}
+      disabled={disabled}
+      {...props}
+    >
+      {children}
+
+      {!disabled && (
+        <div
+          className={cn('glitch-overlay', overlayColorClass)}
+          aria-hidden="true"
+        >
+          {children}
+        </div>
+      )}
+    </button>
+  )
+}
diff --git a/components/layout/hero-header.tsx b/components/layout/hero-header.tsx
new file mode 100644
index 0000000..07ef4f1
--- /dev/null
+++ b/components/layout/hero-header.tsx
@@ -0,0 +1,95 @@
+'use client'
+
+import { useState, useEffect } from 'react'
+import { Link } from '@/i18n/navigation'
+import Image from 'next/image'
+import { ThemeToggle } from '@/components/theme-toggle'
+import { GlitchButton } from '@/components/effects/glitch-button'
+
+interface HeroHeaderProps {
+  terminalVersion: string
+  blogLabel: string
+  aboutLabel: string
+}
+
+export function HeroHeader({ terminalVersion, blogLabel, aboutLabel }: HeroHeaderProps) {
+  const [isMobileMenuOpen, setIsMobileMenuOpen] = useState(false)
+  const [isMobile, setIsMobile] = useState(false)
+
+  useEffect(() => {
+    const checkMobile = () => setIsMobile(window.innerWidth < 768)
+    checkMobile()
+    window.addEventListener('resize', checkMobile)
+    return () => window.removeEventListener('resize', checkMobile)
+  }, [])
+
+  return (
+    <div className="mb-8 border-b-2 border-slate-300 dark:border-slate-800 pb-4">
+      <div className="flex items-center justify-between">
+        <div className="flex items-center gap-3">
+          <Image src="/logo.png" alt="Logo" width={32} height={32} className="opacity-80" />
+          <span className="font-mono text-xs text-slate-500 uppercase tracking-widest">
+            {terminalVersion}
+          </span>
+        </div>
+
+        {!isMobile && (
+          <div className="flex gap-4 items-center">
+            <Link
+              href="/blog"
+              className="font-mono text-xs text-slate-600 dark:text-slate-400 uppercase tracking-wider hover:text-cyan-600 dark:hover:text-cyan-400"
+            >
+              [{blogLabel}]
+            </Link>
+            <Link
+              href="/about"
+              className="font-mono text-xs text-slate-600 dark:text-slate-400 uppercase tracking-wider hover:text-cyan-600 dark:hover:text-cyan-400"
+            >
+              [{aboutLabel}]
+            </Link>
+            <ThemeToggle />
+          </div>
+        )}
+
+        {isMobile && (
+          <div>
+            <GlitchButton
+              variant="subtle"
+              glitchColor="cyan"
+              onClick={() => setIsMobileMenuOpen(!isMobileMenuOpen)}
+              className="font-mono text-xs uppercase tracking-wider px-3 py-2 border-2 border-slate-400 dark:border-slate-700 bg-white dark:bg-slate-800 text-slate-600 dark:text-slate-300"
+              aria-label="Toggle menu"
+              aria-expanded={isMobileMenuOpen}
+            >
+              // {isMobileMenuOpen ? 'X' : 'MENU'}
+            </GlitchButton>
+          </div>
+        )}
+      </div>
+
+      {isMobileMenuOpen && isMobile && (
+        <div className="mt-4 pt-4 border-t-2 border-slate-300 dark:border-slate-800">
+          <div className="flex flex-col gap-3">
+            <Link
+              href="/blog"
+              className="font-mono text-xs text-slate-600 dark:text-slate-400 uppercase tracking-wider hover:text-cyan-600 dark:hover:text-cyan-400 px-3 py-2 border-2 border-slate-300 dark:border-slate-700"
+              onClick={() => setIsMobileMenuOpen(false)}
+            >
+              [{blogLabel}]
+            </Link>
+            <Link
+              href="/about"
+              className="font-mono text-xs text-slate-600 dark:text-slate-400 uppercase tracking-wider hover:text-cyan-600 dark:hover:text-cyan-400 px-3 py-2 border-2 border-slate-300 dark:border-slate-700"
+              onClick={() => setIsMobileMenuOpen(false)}
+            >
+              [{aboutLabel}]
+            </Link>
+            <div className="px-3 py-2">
+              <ThemeToggle />
+            </div>
+          </div>
+        </div>
+      )}
+    </div>
+  )
+}
diff --git a/lib/utils.ts b/lib/utils.ts
index e2a1692..218e52e 100644
--- a/lib/utils.ts
+++ b/lib/utils.ts
@@ -79,3 +79,7 @@ export function generateSlug(title: string): string {
     .replace(/[^a-z0-9]+/g, '-')
     .replace(/^-+|-+$/g, '')
 }
+
+export function cn(...inputs: (string | undefined | null | false)[]): string {
+  return inputs.filter(Boolean).join(" ")
+}
diff --git a/next-env.d.ts b/next-env.d.ts
index 9edff1c..c4b7818 100644
--- a/next-env.d.ts
+++ b/next-env.d.ts
@@ -1,6 +1,6 @@
 /// <reference types="next" />
 /// <reference types="next/image-types/global" />
-import "./.next/types/routes.d.ts";
+import "./.next/dev/types/routes.d.ts";
 
 // NOTE: This file should not be edited
 // see https://nextjs.org/docs/app/api-reference/config/typescript for more information.