:root {
            --primary-blue: #2563eb;
            --secondary-blue: #1e40af;
            --accent-green: #059669;
            --accent-orange: #ea580c;
            --dark-gray: #1f2937;
            --light-gray: #f8fafc;
            --text-dark: #111827;
            --text-light: #6b7280;
            --border-color: #e5e7eb;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            background-color: #fff;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        
        /* Header */
        .header {
            background: #fff;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--primary-blue);
        }
        
        .header-top {
            background: var(--dark-gray);
            color: #fff;
            padding: 0.5rem 0;
            font-size: 0.9rem;
        }
        
        .header-top-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .header-top a {
            color: #fff;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .header-top a:hover {
            color: var(--accent-green);
        }
        
        .header-main {
            padding: 1rem 0;
        }
        
        .header-content {
            display: flex;
            justify-content: flex-start;
            align-items: center;
            gap: 3rem;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-blue);
            text-decoration: none;
            font-family: 'JetBrains Mono', monospace;
            transition: color 0.3s ease;
        }
        
        .logo:hover {
            color: var(--secondary-blue);
        }
        
        .nav {
            display: flex;
            gap: 2rem;
            align-items: center;
        }
        
        .nav a {
            color: var(--text-dark);
            text-decoration: none;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .nav a:hover {
            background: var(--light-gray);
            color: var(--primary-blue);
        }
        
        .nav a.active {
            background: var(--primary-blue);
            color: #fff;
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-dark);
            position: relative;
            z-index: 1001;
        }
        
        .mobile-nav {
        
 display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(0, 0, 0, 0.9);
            z-index: 1000;

        }
        
        .mobile-nav.active {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }
        
        .mobile-nav a {
            color: #fff;
            text-decoration: none;
            font-size: 1.5rem;
            font-weight: 500;
            margin: 0.5rem 0;
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            transition: all 0.3s ease;
            text-align: center;
        }
        
        .mobile-nav a:hover, .mobile-nav a.active {
            background: var(--primary-blue);
            color: #fff;
        }
        
        .lang-switcher {
            margin-left: 1rem;
            background: none;
            border: 2px solid var(--accent-green);
            color: var(--accent-green);
            padding: 0.4rem 0.8rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
            font-size: 0.9rem;
        }
        
        .lang-switcher:hover {
            background: var(--accent-green);
            color: #fff;
        }
        
        .mobile-nav .lang-switcher {
            background: #fff;
            color: var(--accent-green);
            border: 2px solid #fff;
            font-size: 1.2rem;
            margin: 1rem 0;
        }
        
        .mobile-nav .lang-switcher:hover {
            background: var(--accent-green);
            color: #fff;
        }
        
        /* H1-Tags in section, article, aside, nav Elementen */
        section h1,
        article h1,
        aside h1,
        nav h1 {
            font-size: 2.5rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1rem;
        }
        
        /* Responsive H1-Größen */
        @media (max-width: 768px) {
            section h1,
            article h1,
            aside h1,
            nav h1 {
                font-size: 2rem;
            }
        }
        
        @media (max-width: 480px) {
            section h1,
            article h1,
            aside h1,
            nav h1 {
                font-size: 1.75rem;
            }
        }
        
        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
            color: #fff;
            padding: 4rem 0;
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
            opacity: 0.5;
        }
        
        .hero-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 2fr 1fr;
            align-items: center;
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .hero-logo {
            width: 100%;
            max-width: 200px;
            height: 120px;
            object-fit: contain;
            transition: transform 0.3s ease;
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
            border-radius: 8px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
            padding: 0.5rem;
        }
        
        .hero-logo:hover {
            transform: scale(1.05);
        }
        
        .hero-text {
            text-align: center;
        }
        
        .hero-left {
            text-align: center;
        }
        
        .hero-right {
            text-align: center;
        }
        

        
        .hero h1 {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        
        .hero .subtitle {
            font-size: 1.3rem;
            font-weight: 300;
            margin-bottom: 2rem;
            color: rgba(255, 255, 255, 0.9);
        }
        
        .cta-button {
            display: inline-block;
            background: var(--accent-green);
            color: #fff;
            padding: 1rem 2rem;
            text-decoration: none;
            border-radius: 8px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            box-shadow: var(--shadow);
        }
        
        .cta-button:hover {
            background: #047857;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        
        /* Features Section */
        .features {
            padding: 4rem 0;
            background: var(--light-gray);
        }
        
        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }
        
        .section-header h2 {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 1rem;
        }
        
        .section-header p {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
        }
        

        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        
        .feature-card {
            background: #fff;
            padding: 2rem;
            border-radius: 12px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
            border: 1px solid var(--border-color);
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        
        .feature-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            font-size: 2rem;
            color: #fff;
        }
        
        .feature-card h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--text-dark);
        }
        
        .feature-card p {
            color: var(--text-light);
            line-height: 1.6;
        }
        
        /* Product Gallery */
        .gallery {
            padding: 4rem 0;
        }
        
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }
        
        .gallery-item {
            position: relative;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
        }
        
        .gallery-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        
        .gallery-item img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        
        .gallery-item:hover img {
            transform: scale(1.05);
        }
        
        .gallery-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
            color: #fff;
            padding: 1.5rem;
            transform: translateY(100%);
            transition: transform 0.3s ease;
            z-index: 2;
        }
        .gallery-item:hover .gallery-overlay {
            transform: translateY(0);
        }
        .gallery-overlay h3, .gallery-overlay p {
            margin: 0;
            text-shadow: 0 2px 8px rgba(0,0,0,0.7);
        }
        @media (max-width: 768px) {
            .gallery-overlay {
                transform: translateY(0);
                background: rgba(0,0,0,0.7);
                padding: 1rem;
                font-size: 1.1rem;
            }
            .gallery-overlay h3, .gallery-overlay p {
                font-size: 1.1rem;
                line-height: 1.3;
            }
        }
        
        /* Stats Section */
        .stats {
            background: var(--dark-gray);
            color: #fff;
            padding: 3rem 0;
        }
        
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            text-align: center;
        }
        
        .stat-item h3 {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--accent-green);
            margin-bottom: 0.5rem;
        }
        
        .stat-item p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.1rem;
        }
        
        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
            color: #fff;
            padding: 4rem 0;
            text-align: center;
        }
        
        .cta-section h2 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        
        .cta-section p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            color: rgba(255, 255, 255, 0.9);
        }
        
        .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }
        
        .btn-secondary {
            background: var(--accent-green);
            color: #fff;
            padding: 1rem 2rem;
            text-decoration: none;
            border-radius: 8px;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: var(--shadow);
        }
        
        .btn-secondary:hover {
            background: #047857;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        
        /* Footer */
        .footer {
            background: var(--dark-gray);
            color: #fff;
            padding: 3rem 0 1rem;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem; 
            text-align: center;
            margin-bottom: 2rem;
        }
        
        .footer-section h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--accent-green);
        }
        
        .footer-section ul {
            list-style: none;
        }
        
        .footer-section ul li {
            margin-bottom: 0.5rem;
        }
        
        .footer-section ul li a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color 0.3s ease;
            font-weight: 600;
        }
        
        .footer-section ul li a:hover {
            color: var(--accent-green);
        }
        
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            padding-top: 2rem;
            text-align: center;
            color: rgba(255, 255, 255, 0.6);
        }
        
        /* Responsive Design */
        @media (max-width: 768px) {
            .header-content {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
                gap: 1rem;
            }
            
            .nav {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .logo {
                font-size: 1.5rem;
            }
            
            .header-main {
                padding: 0.8rem 0;
            }
            
            .container {
                padding: 0 1rem;
            }
            
            .hero-content {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            
            .hero-logo {
                max-width: 100%;      /* geändert von 120px */
        width: 100%;          /* neu hinzugefügt */
        height: auto;         /* neu hinzugefügt */
        margin: 0 auto;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero .subtitle {
                font-size: 1.1rem;
            }
            
            .section-header h2 {
                font-size: 2rem;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
            }
            
            .gallery-grid {
                grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            }
            
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
        }
        
        @media (max-width: 480px) {
            .hero {
                padding: 2rem 0;
            }
            
            .hero h1 {
                font-size: 1.8rem;
            }
            
            .stats-grid {
                grid-template-columns: 1fr;
            }
            
            .cta-section h2 {
                font-size: 2rem;
            }
        }

        /* Lightbox */
        .lightbox {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: #000;
            z-index: 9999;
            cursor: pointer;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .lightbox.active {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .lightbox-content {
            max-width: 90%;
            max-height: 90%;
            object-fit: contain;
            border-radius: 8px;
            box-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
            background: #000;
            padding: 10px;
        }

        .lightbox-close {
            position: absolute;
            top: 20px;
            right: 30px;
            font-size: 40px;
            color: white;
            cursor: pointer;
            font-weight: bold;
            transition: color 0.3s ease;
            background: rgba(0, 0, 0, 0.8);
            border-radius: 50%;
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 10000;
        }

        .lightbox-close:hover {
            color: var(--accent-green);
            background: rgba(0, 0, 0, 0.9);
        }

        .gallery-item {
            cursor: pointer;
        }

        /* Mobile Lightbox Optimierungen */
        @media (max-width: 768px) {
            .lightbox {
                background: #000;
            }
            
            .lightbox-content {
                max-width: 95%;
                max-height: 95%;
                border-radius: 4px;
            }
            
            .lightbox-close {
                top: 15px;
                right: 15px;
                font-size: 30px;
                width: 45px;
                height: 45px;
            }
        }