diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..e9e30dc
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,12 @@
+FROM node:22-alpine AS builder
+WORKDIR /app
+COPY package*.json ./
+RUN npm install
+COPY . .
+RUN npm run build
+
+FROM nginx:alpine
+COPY --from=builder /app/dist /usr/share/nginx/html
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]
diff --git a/src/assets/main.css b/src/assets/main.css
index 5a08fe7..dce250f 100644
--- a/src/assets/main.css
+++ b/src/assets/main.css
@@ -1,32 +1,288 @@
 @import "tailwindcss";
+@import 'https://fonts.googleapis.com/css2?family=Press+Start+2P&family=Silkscreen:wght@400;700&display=swap';
 
 @theme {
-  --color-olive: #5B7440;
-  --color-olive-dark: #4A5F34;
-  --color-olive-light: #7A9B57;
-  --color-olive-pale: #A8C686;
-  --color-beige: #E8DCC8;
-  --color-beige-light: #F5EFE0;
-  --color-beige-dark: #C4B89A;
-  --color-orange: #E8813A;
-  --color-orange-light: #F4A460;
-  --color-orange-dark: #C0652A;
-  --font-pixel: "Press Start 2P", sans-serif;
-  --font-body: "Silkscreen", sans-serif;
+  --color-primary: #5B7440;
+  --color-primary-light: #7A9B57;
+  --color-primary-pale: #A8C686;
+  --color-accent: #E8813A;
+  --color-accent-light: #F4A460;
+  --color-accent-dark: #C0652A;
+  --color-surface: #E8DCC8;
+  --color-surface-raised: #F5EFE0;
+  --color-surface-sunken: #C4B89A;
+  --color-error: #C0392B;
+  --color-error-light: #E74C3C;
+  --color-error-dark: #922B21;
+  --color-white: #FAFAF5;
+  --color-off-white: #F0EDE4;
+  --font-display: 'Press Start 2P', monospace;
+  --font-body: 'Silkscreen', sans-serif;
 }
 
-@layer base {
-  * {
-    image-rendering: pixelated;
-  }
-
-  body {
-    font-family: var(--font-body);
-    transition: background-color 0.2s ease, color 0.2s ease;
-  }
-
-  h1, h2, h3, h4, h5, h6 {
-    font-family: var(--font-pixel);
-    line-height: 2;
-  }
+/* ============ BRAND OVERRIDES ============ */
+[data-brand="founderflow"] {
+  --color-primary: #2B4EE6;
+  --color-primary-light: #5475F0;
+  --color-primary-pale: #A0B2F8;
+  --color-accent: #F5C518;
+  --color-accent-light: #F9D75A;
+  --color-accent-dark: #C49A0A;
 }
+[data-brand="founderflow"][data-theme="dark"] {
+  --color-primary: #5475F0;
+  --color-accent: #F5C518;
+}
+
+[data-brand="neuropilot"] {
+  --color-primary: #4B6FA5;
+  --color-primary-light: #6B8BBF;
+  --color-primary-pale: #A8BDD8;
+  --color-accent: #6BAF9F;
+  --color-accent-light: #8EC5B9;
+  --color-accent-dark: #4A8070;
+  --color-error: #7A4A5A;
+  --color-error-light: #9B6678;
+  --color-error-dark: #5C3344;
+}
+[data-brand="neuropilot"][data-theme="dark"] {
+  --color-primary: #6B8BBF;
+  --color-accent: #8EC5B9;
+  --color-error: #9B6678;
+}
+
+/* ============ DARK THEME ============ */
+[data-theme="dark"] {
+  --color-surface: #3A3528;
+  --color-surface-raised: #2E2A20;
+  --color-surface-sunken: #4A4336;
+  --color-error: #E74C3C;
+  --color-error-light: #FF6B6B;
+  --color-error-dark: #C0392B;
+  --color-white: #1A1814;
+  --color-off-white: #232019;
+}
+
+/* ============ GLOBAL BASE ============ */
+* { margin: 0; padding: 0; box-sizing: border-box; border-radius: 0 !important; }
+
+html { font-size: 16px; }
+
+body {
+  font-family: var(--font-body);
+  background: var(--color-surface-raised);
+  color: var(--color-surface-sunken);
+  transition: background 0.2s ease, color 0.2s ease;
+  line-height: 2;
+}
+[data-theme="dark"] body { background: var(--color-white); color: #d4ccb8; }
+
+img, canvas, svg { image-rendering: pixelated; image-rendering: -moz-crisp-edges; }
+
+h1, h2, h3, h4, h5, h6 {
+  font-family: var(--font-display);
+  line-height: 1.6;
+  color: var(--color-primary);
+}
+h1 { font-size: 14px; }
+@media (min-width: 480px)  { h1 { font-size: 16px; } }
+@media (min-width: 768px)  { h1 { font-size: 18px; } h2 { font-size: 14px; } }
+
+p, li, span { line-height: 2; }
+
+a { color: var(--color-accent); text-decoration: none; }
+a:hover { color: var(--color-accent-light); }
+
+/* ============ CONTAINER ============ */
+.container { width: 100%; padding: 16px; margin: 0 auto; }
+@media (min-width: 768px)  { .container { padding: 24px; } }
+@media (min-width: 1024px) { .container { max-width: 960px; } }
+@media (min-width: 1280px) { .container { max-width: 1120px; } }
+
+/* ============ HEADER ============ */
+header {
+  background: var(--color-surface);
+  border-bottom: 4px solid var(--color-primary);
+  position: sticky; top: 0; z-index: 50;
+  padding: 24px 0;
+}
+[data-theme="dark"] header { background: var(--color-surface-sunken); }
+
+.header-inner {
+  max-width: 960px; margin: 0 auto; padding: 0 24px;
+  display: flex; justify-content: space-between;
+  align-items: center; flex-wrap: wrap; gap: 12px;
+}
+@media (max-width: 479px) {
+  .header-inner { flex-direction: column; align-items: flex-start; padding: 0 16px; gap: 8px; }
+}
+
+/* ============ PIXEL BUTTON ============ */
+.pixel-btn {
+  font-family: 'Press Start 2P', monospace;
+  font-size: 9px; padding: 10px 16px;
+  border: 3px solid var(--color-primary);
+  background: var(--color-surface);
+  color: var(--color-primary);
+  cursor: pointer; user-select: none;
+  box-shadow: 3px 3px 0 var(--color-primary);
+  transition: all 0.1s;
+  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
+  min-width: 44px; min-height: 44px;
+}
+.pixel-btn:hover  { transform: translate(1px, 1px); box-shadow: 2px 2px 0 var(--color-primary); }
+.pixel-btn:active { transform: translate(3px, 3px); box-shadow: none; }
+.pixel-btn.primary {
+  background: var(--color-accent); color: var(--color-white);
+  border-color: var(--color-accent-dark); box-shadow: 3px 3px 0 var(--color-accent-dark);
+}
+.pixel-btn.primary:hover { box-shadow: 2px 2px 0 var(--color-accent-dark); }
+.pixel-btn.primary:active { box-shadow: none; }
+.pixel-btn:disabled {
+  color: var(--color-surface-sunken); border-color: var(--color-surface-sunken);
+  box-shadow: none; cursor: not-allowed; transform: none;
+}
+[data-theme="dark"] .pixel-btn       { box-shadow: 3px 3px 0 rgba(255,255,255,0.1); }
+[data-theme="dark"] .pixel-btn:hover { box-shadow: 2px 2px 0 rgba(255,255,255,0.1); }
+
+/* ============ CARD ============ */
+.pixel-card {
+  border: 4px solid var(--color-primary);
+  padding: 20px; background: var(--color-surface-raised);
+  position: relative;
+}
+.pixel-card::after {
+  content: ''; position: absolute;
+  top: 4px; left: 4px; right: -4px; bottom: -4px;
+  border: 2px solid var(--color-surface-sunken); z-index: -1;
+}
+@media (max-width: 479px) {
+  .pixel-card { padding: 16px; }
+  .pixel-card::after { display: none; }
+}
+
+/* ============ INPUT ============ */
+.pixel-input {
+  font-family: 'Silkscreen', sans-serif;
+  font-size: 16px; /* prevents iOS zoom */
+  border: 3px solid var(--color-primary);
+  padding: 12px; width: 100%; display: block;
+  margin-top: 8px; background: var(--color-surface-raised);
+  outline: none; color: inherit; min-height: 44px;
+}
+.pixel-input:focus   { border-color: var(--color-accent);  box-shadow: 2px 2px 0 var(--color-accent); }
+.pixel-input.error   { border-color: var(--color-error);   box-shadow: 2px 2px 0 var(--color-error-dark); }
+.pixel-input:disabled {
+  border-color: var(--color-surface-sunken); background: var(--color-surface);
+  color: var(--color-surface-sunken); cursor: not-allowed;
+}
+
+/* ============ BADGE ============ */
+.pixel-badge {
+  display: inline-block; padding: 4px 10px;
+  font-family: 'Press Start 2P', monospace;
+  font-size: 7px; border: 2px solid; margin: 4px 4px 4px 0;
+}
+.badge-success { border-color: var(--color-primary);      color: var(--color-primary); }
+.badge-warning { border-color: var(--color-accent);       color: var(--color-accent); }
+.badge-info    { border-color: var(--color-primary-pale); color: var(--color-primary-pale); }
+.badge-error   { border-color: var(--color-error);        color: var(--color-error); }
+[data-theme="dark"] .badge-success { color: #a8d88e;             border-color: #a8d88e; }
+[data-theme="dark"] .badge-warning { color: var(--color-accent-light);  border-color: var(--color-accent-light); }
+[data-theme="dark"] .badge-info    { color: var(--color-primary-light); border-color: var(--color-primary-light); }
+[data-theme="dark"] .badge-error   { color: var(--color-error-light);   border-color: var(--color-error-light); }
+
+/* ============ PROGRESS ============ */
+.pixel-progress {
+  height: 20px; background: var(--color-surface-raised);
+  border: 3px solid var(--color-primary); overflow: hidden; margin-top: 8px;
+}
+.pixel-progress-bar { height: 100%; background: var(--color-primary); transition: width 0.3s; }
+.pixel-progress.warning .pixel-progress-bar { background: var(--color-accent); }
+.pixel-progress.error   .pixel-progress-bar { background: var(--color-error); }
+
+/* ============ DIVIDER ============ */
+.pixel-divider {
+  height: 4px; margin: 24px 0;
+  background: repeating-linear-gradient(
+    90deg, var(--color-primary) 0px, var(--color-primary) 8px,
+    transparent 8px, transparent 16px
+  );
+}
+
+/* ============ SECTION ============ */
+.section {
+  background: var(--color-surface); padding: 20px;
+  margin-bottom: 40px; position: relative;
+}
+[data-theme="dark"] .section { background: var(--color-surface-sunken); }
+.section::before {
+  content: ''; position: absolute;
+  top: 8px; left: 8px; right: -8px; bottom: -8px;
+  border: 3px solid var(--color-surface-sunken); z-index: -1;
+}
+[data-theme="dark"] .section::before { border-color: rgba(255,255,255,0.05); }
+@media (min-width: 768px)  { .section { padding: 28px; } }
+@media (min-width: 1024px) { .section { padding: 32px; } }
+@media (max-width: 479px)  { .section::before { display: none; } }
+
+/* ============ PIXEL BORDER ============ */
+.pixel-border {
+  border: 4px solid var(--color-primary);
+  box-shadow:
+    4px 4px 0 var(--color-primary),
+    -2px -2px 0 var(--color-surface-sunken),
+     2px -2px 0 var(--color-surface-sunken),
+    -2px  2px 0 var(--color-surface-sunken);
+}
+[data-theme="dark"] .pixel-border {
+  box-shadow: 4px 4px 0 var(--color-primary), -2px -2px 0 rgba(255,255,255,0.05);
+}
+@media (max-width: 479px) { .pixel-border { box-shadow: 3px 3px 0 var(--color-primary); } }
+
+/* ============ BOTTOM TAB BAR (Mobile only) ============ */
+.tab-bar {
+  position: fixed; bottom: 0; left: 0; right: 0;
+  height: 64px; background: var(--color-surface);
+  border-top: 4px solid var(--color-primary);
+  display: flex; align-items: stretch; z-index: 100;
+  box-shadow: 0 -3px 0 var(--color-primary);
+}
+@media (min-width: 768px) { .tab-bar { display: none; } }
+@media (max-width: 767px) { .page-content { padding-bottom: 72px; } }
+
+.tab-item {
+  flex: 1; display: flex; flex-direction: column;
+  align-items: center; justify-content: center;
+  gap: 4px; color: var(--color-surface-sunken);
+  text-decoration: none; padding: 8px 4px;
+  border-right: 2px solid var(--color-surface-sunken);
+  transition: background 0.1s;
+  min-width: 44px; min-height: 44px;
+}
+.tab-item:last-child { border-right: none; }
+.tab-item:active { background: var(--color-surface-raised); }
+.tab-item.active {
+  color: var(--color-primary); background: var(--color-surface-raised);
+  border-top: 3px solid var(--color-accent); margin-top: -4px;
+}
+.tab-icon { width: 24px; height: 24px; image-rendering: pixelated; flex-shrink: 0; }
+.tab-label {
+  font-family: 'Press Start 2P', monospace;
+  font-size: 7px; line-height: 1; white-space: nowrap;
+  overflow: hidden; text-overflow: ellipsis; max-width: 56px;
+}
+
+[data-theme="dark"] .tab-bar {
+  background: var(--color-surface-sunken);
+  box-shadow: 0 -3px 0 var(--color-primary);
+}
+[data-theme="dark"] .tab-item.active { background: var(--color-surface); }
+
+/* NeuroPilot variant */
+[data-brand="neuropilot"] .tab-item { border-right-color: transparent; }
+
+/* ============ LANGUAGE TOGGLE ============ */
+.lang-de { display: inline; }  .lang-en { display: none; }
+[data-lang="en"] .lang-de { display: none; }
+[data-lang="en"] .lang-en { display: inline; }
diff --git a/src/components/Header.vue b/src/components/Header.vue
index 3e89c44..7d9f9ce 100644
--- a/src/components/Header.vue
+++ b/src/components/Header.vue
@@ -1,61 +1,78 @@
 <template>
-  <header :class="themeClass">
-    <div class="max-w-[960px] mx-auto px-6 py-5 flex justify-between items-center flex-wrap gap-3">
-      <router-link to="/" class="text-olive font-pixel text-xs tracking-tight hover:text-orange transition-colors">
-        LEUSCHKE<span class="text-orange">.</span>DIGITAL
+  <header>
+    <div class="header-inner">
+      <router-link to="/" class="text-primary font-display text-[11px] tracking-[-0.5px] hover:text-accent transition-colors">
+        LEUSCHKE<span class="text-accent">.</span>DIGITAL
       </router-link>
 
       <!-- Desktop Nav -->
-      <nav class="hidden md:flex items-center gap-3">
+      <nav class="hidden md:flex items-center gap-[12px]">
         <router-link v-for="item in navItems" :key="item.path" :to="item.path"
-          class="font-pixel text-[8px] text-olive hover:text-orange transition-colors"
-          :class="{ 'text-orange border-b-2 border-orange': route.path === item.path }">
+          class="font-display text-[7px] text-primary hover:text-accent transition-colors"
+          :class="{ 'text-accent': route.path === item.path }">
           {{ t(item.label) }}
         </router-link>
       </nav>
 
       <!-- Controls -->
-      <div class="flex items-center gap-2">
-        <!-- Mobile menu button -->
-        <button @click="mobileOpen = !mobileOpen" class="md:hidden pixel-btn text-[8px] px-3 py-2">
-          ☰
+      <div class="flex items-center gap-8px">
+        <button @click="mobileOpen = !mobileOpen" class="md:hidden pixel-btn text-[7px]" aria-label="Menu">
+          <svg v-if="!mobileOpen" viewBox="0 0 24 24" width="24" height="24" fill="currentColor"><rect x="3" y="6" width="18" height="2"/><rect x="3" y="11" width="18" height="2"/><rect x="3" y="16" width="18" height="2"/></svg>
+          <svg v-else viewBox="0 0 24 24" width="24" height="24" fill="currentColor"><rect x="5" y="5" width="2" height="2"/><rect x="8" y="5" width="2" height="2"/><rect x="11" y="5" width="2" height="2"/><rect x="14" y="5" width="2" height="2"/><rect x="17" y="5" width="2" height="2"/><rect x="5" y="8" width="2" height="2"/><rect x="17" y="8" width="2" height="2"/><rect x="5" y="11" width="2" height="2"/><rect x="17" y="11" width="2" height="2"/><rect x="5" y="14" width="2" height="2"/><rect x="17" y="14" width="2" height="2"/><rect x="5" y="17" width="15" height="2"/></svg>
         </button>
-        <button @click="toggleTheme" class="hidden md:inline-flex pixel-btn text-[8px] px-3 py-2">
+        <button @click="toggleTheme" class="hidden md:inline-flex pixel-btn text-[7px]">
           {{ isDark ? '☀️' : '🌙' }} {{ isDark ? t('nav.light') : t('nav.dark') }}
         </button>
-        <button @click="toggleLang" class="hidden md:inline-flex pixel-btn text-[8px] px-3 py-2">
+        <button @click="toggleLang" class="hidden md:inline-flex pixel-btn text-[7px]">
           {{ lang === 'de' ? '🇩🇪 DE' : '🇬🇧 EN' }}
         </button>
       </div>
     </div>
 
-    <!-- Mobile menu -->
-    <div v-if="mobileOpen" class="md:hidden pixel-border mx-3 mb-3 p-3 flex flex-col gap-3">
+    <!-- Mobile dropdown menu -->
+    <div v-if="mobileOpen" class="md:hidden pixel-border mx-3 mb-3 p-3 flex flex-col gap-8px mt-8px">
       <router-link v-for="item in navItems" :key="item.path" :to="item.path"
-        class="font-pixel text-[8px] text-olive hover:text-orange block px-2 py-1"
+        class="font-display text-[7px] text-primary hover:text-accent block px-2 py-1"
         @click="mobileOpen = false">
         {{ t(item.label) }}
       </router-link>
-      <div class="flex gap-2 pt-2">
-        <button @click="toggleTheme" class="pixel-btn text-[8px] px-3 py-2">
-          {{ isDark ? '☀️' : '🌙' }} {{ isDark ? t('nav.light') : t('nav.dark') }}
+      <div class="flex gap-8px pt-2">
+        <button @click="toggleTheme" class="pixel-btn text-[7px]">
+          {{ isDark ? '☀️' : '🌙' }}
         </button>
-        <button @click="toggleLang" class="pixel-btn text-[8px] px-3 py-2">
-          {{ lang === 'de' ? '🇩🇪 DE' : '🇬🇧 EN' }}
+        <button @click="toggleLang" class="pixel-btn text-[7px]">
+          {{ lang === 'de' ? '🇩🇪' : '🇬🇧' }}
         </button>
       </div>
     </div>
   </header>
+
+  <!-- Bottom Tab Bar (Mobile only) -->
+  <nav class="tab-bar md:hidden" role="navigation" aria-label="Main navigation">
+    <router-link v-for="(item, i) in tabItems" :key="item.path" :to="item.path"
+      class="tab-item" :class="{ active: route.path === item.path }"
+      :aria-current="route.path === item.path ? 'page' : undefined">
+      <svg class="tab-icon" viewBox="0 0 24 24" width="24" height="24" fill="currentColor">
+        <template v-if="i === 0"><rect x="3" y="9" width="4" height="12"/><rect x="10" y="3" width="4" height="18"/><rect x="17" y="6" width="4" height="15"/></template>
+        <template v-else-if="i === 1"><circle cx="11" cy="11" r="3" fill="none" stroke="currentColor" stroke-width="2"/><path d="M3 21l2-5v-1l7-4 7 4v1l2 5z" fill="none" stroke="currentColor" stroke-width="2"/></template>
+        <template v-else-if="i === 2"><rect x="4" y="4" width="5" height="5"/><rect x="11" y="4" width="9" height="2"/><rect x="4" y="11" width="5" height="9"/><rect x="11" y="8" width="4" height="3"/><rect x="11" y="13" width="9" height="7"/></template>
+        <template v-else-if="i === 3"><rect x="3" y="4" width="18" height="2"/><rect x="3" y="8" width="18" height="2"/><rect x="3" y="12" width="12" height="2"/><rect x="3" y="16" width="15" height="2"/><rect x="3" y="20" width="18" height="2"/></template>
+        <template v-else><rect x="3" y="5" width="8" height="2"/><rect x="3" y="9" width="8" height="2"/><rect x="3" y="13" width="8" height="2"/><rect x="13" y="5" width="8" height="2"/><rect x="13" y="9" width="8" height="2"/><rect x="13" y="13" width="8" height="8" rx="0"/></template>
+      </svg>
+      <span class="tab-label lang-de">{{ item.labelDe }}</span>
+      <span class="tab-label lang-en">{{ item.labelEn }}</span>
+    </router-link>
+  </nav>
 </template>
 
 <script setup lang="ts">
-import { ref, computed, watch } from 'vue'
+import { ref, watch } from 'vue'
 import { useRoute } from 'vue-router'
-import { t, currentLang, type Lang } from '../i18n'
+import { t, currentLang } from '../i18n'
 
 const route = useRoute()
-const isDark = ref<boolean>(false)
-const lang = ref<Lang>('de')
+const isDark = ref(false)
+const lang = ref<'de' | 'en'>('de')
 const mobileOpen = ref(false)
 
 const navItems = [
@@ -67,6 +84,13 @@ const navItems = [
   { path: '/impressum', label: 'nav.impressum' },
 ]
 
+const tabItems = [
+  { path: '/', labelDe: 'Start', labelEn: 'Home' },
+  { path: '/about', labelDe: 'Über Uns', labelEn: 'About' },
+  { path: '/projects', labelDe: 'Projekte', labelEn: 'Projects' },
+  { path: '/contact', labelDe: 'Kontakt', labelEn: 'Contact' },
+]
+
 const toggleTheme = () => { isDark.value = !isDark.value; applyTheme() }
 const toggleLang = () => {
   lang.value = lang.value === 'de' ? 'en' : 'de'
@@ -77,30 +101,13 @@ const applyTheme = () => {
   document.documentElement.setAttribute('data-lang', lang.value)
 }
 
-const themeClass = computed(() => ({
-  'bg-beige-light border-b-4 border-olive': true,
-  '[&[data-theme=dark]]:bg-beige-dark [&[data-theme=dark]]:text-[#d4ccb8] [&[data-theme=dark]]:border-olive-dark': isDark.value,
-}))
-
-// Init from localStorage or defaults
 if (typeof localStorage !== 'undefined') {
   isDark.value = localStorage.getItem('theme') === 'dark'
 }
-lang.value = (localStorage.getItem('lang') as Lang) || 'de'
+lang.value = (localStorage.getItem('lang') as any) || 'de'
 currentLang.value = lang.value
 applyTheme()
 
-watch(isDark, (v) => {
-  localStorage.setItem('theme', v ? 'dark' : 'light')
-  applyTheme()
-})
-watch(lang, (v) => {
-  localStorage.setItem('lang', v)
-  currentLang.value = v
-  applyTheme()
-})
+watch(isDark, v => { localStorage.setItem('theme', v ? 'dark' : 'light'); applyTheme() })
+watch(lang, v => { localStorage.setItem('lang', v); currentLang.value = v; applyTheme() })
 </script>
-
-<style scoped>
-header { position: fixed; top: 0; left: 0; right: 0; z-index: 50; }
-</style>