web accessibility

src/app/AppRouter.tsx

@@ -52,8 +52,9 @@ function AppRouter() {
   return (
     <Router>
       <div className="app">
+        <a href="#main-content" className="skip-link">Skip to main content</a>
         <Navbar theme={theme} setTheme={setTheme} />
-        <main className="app__main">
+        <main id="main-content" className="app__main">
           <Routes>
             <Route path="/" element={<HomePage />} />
             <Route path="/imprint" element={<ImprintPage />} />

src/components/layout/MobileMenu.tsx

@@ -1,3 +1,5 @@
+import { useEffect, useRef } from 'react';
+
 type Props = {
   menuItems: string[];
   isOpen: boolean;
@@ -5,19 +7,29 @@ type Props = {
 };
 
 export default function MobileMenu({ menuItems, isOpen, onItemClick }: Props) {
+  const firstButtonRef = useRef<HTMLButtonElement>(null);
+
+  useEffect(() => {
+    if (isOpen && firstButtonRef.current) {
+      firstButtonRef.current.focus();
+    }
+  }, [isOpen]);
+
   if (!isOpen) return null;
 
   return (
-    <div className="navbar__mobile-menu">
-      {menuItems.map((item) => (
+    <nav id="mobile-menu" className="navbar__mobile-menu" role="navigation" aria-label="Mobile navigation">
+      {menuItems.map((item, index) => (
         <button
           key={item}
+          ref={index === 0 ? firstButtonRef : undefined}
           onClick={() => onItemClick(item)}
           className="navbar__mobile-menu__item"
+          type="button"
         >
           {item}
         </button>
       ))}
-    </div>
+    </nav>
   );
 }

src/components/layout/Navigation.tsx

@@ -45,13 +45,16 @@ export default function Navbar({
         ))}
         <ThemeToggle theme={theme} setTheme={setTheme} />
         {/* Burger Button für Mobile */}
-        <div
+        <button
+          type="button"
           className={`navbar__burger-button ${menuOpen ? 'active' : ''}`}
           aria-label={texts.navigation.mobileMenuAriaLabel}
+          aria-expanded={menuOpen}
+          aria-controls="mobile-menu"
           onClick={() => setMenuOpen(!menuOpen)}
         >
           {[0, 1, 2].map(i => <span key={i} className="navbar__burger-button__item"></span>)}
-        </div>
+        </button>
 
         <MobileMenu
           menuItems={menuItems}

src/components/sections/ProjectsSection.tsx

@@ -79,6 +79,7 @@ export default function ProjectsSection(props: ProjectsSectionProps = {}) {
                         target="_blank"
                         rel="noopener noreferrer"
                         className="projects-section__action-button projects-section__action-button--secondary"
+                        aria-label={`View ${project.title} source code on GitHub`}
                       >
                         <Github className="projects-section__action-icon" />
                         {texts.codeButtonText}
@@ -90,6 +91,7 @@ export default function ProjectsSection(props: ProjectsSectionProps = {}) {
                         target="_blank"
                         rel="noopener noreferrer"
                         className="projects-section__action-button projects-section__action-button--primary"
+                        aria-label={`View ${project.title} live demo`}
                       >
                         <ExternalLink className="projects-section__action-icon" />
                         {texts.liveButtonText}

src/components/sections/ServicesSection.tsx

@@ -18,7 +18,7 @@ export default function ServicesSection(props: ServicesSectionProps = {}) {
     services = [
       {
         icon: Eye,
-        title: "Web Accessiblity",
+        title: "Web Accessibility",
         description: "Building inclusive and accessible web applications by implementing Web Content Accessibility Guidelines, semantic HTML, and support for assistive technologies.",
         colorClass: "primary"
       },

src/scss/globals.scss

@@ -3,6 +3,27 @@
 @forward 'variables';
 @forward 'mixins';
 
+// Skip link for accessibility
+.skip-link {
+  position: absolute;
+  top: -40px;
+  left: 6px;
+  background: var(--color-primary);
+  color: white;
+  padding: 8px;
+  text-decoration: none;
+  z-index: 9999;
+  border-radius: 4px;
+  font-weight: 500;
+  transition: top 0.3s;
+
+  &:focus {
+    top: 6px;
+    outline: 2px solid var(--color-secondary);
+    outline-offset: 2px;
+  }
+}
+
 // Global button placeholder
 %button-base {
   @include button-base;
@@ -72,4 +93,3 @@
   cursor: pointer;
   font: inherit;
 }
-

src/scss/layout/topbar.scss

@@ -32,6 +32,7 @@
 
   &__burger-button {
     @include globals.flex-center();
+    flex-direction: column;
     justify-content: space-between;
     width: 20px;
     height: 17px;
@@ -42,31 +43,28 @@
 
     &__item {
       display: block;
-      height: 4px;
+      height: 3px;
       width: 100%;
       background-color: var(--color-text);
       border-radius: 2px;
       transition: all 0.3s ease;
-      margin-top: 2px;
+      margin: 1px 0;
     }
 
-    &:hover .navbar__container__burger-button__item {
+    &:hover &__item {
       background-color: var(--color-primary);
     }
 
     &.active {
-      .navbar__container__burger-button__item:nth-child(1) {
+      &__item:nth-child(1) {
         transform: rotate(45deg) translate(5px, 5px);
       }
-      .navbar__container__burger-button__item:nth-child(2) {
+      &__item:nth-child(2) {
         opacity: 0;
       }
-      .navbar__container__burger-button__item:nth-child(3) {
+      &__item:nth-child(3) {
         transform: rotate(-45deg) translate(5px, -5px);
       }
-      .navbar__container__burger-button__item:nth-child(n + 4) {
-        opacity: 0;
-      }
     }
   }