:root {
            --primary: #4e9af1;
            --primary-dark: #3a7bc8;
            --secondary: #ff6b6b;
            --dark: #1a1a2e;
            --darker: #16213e;
            --light: #e6e6e6;
            --gray: #4a4a4a;
            --success: #28a745;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background-color: var(--dark);
            color: var(--light);
            line-height: 1.6;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Header */
        header {
            background-color: var(--darker);
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .logo img {
            height: 40px;
        }
        
        .logo h1 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
        }
        
        .logo span {
            color: var(--light);
        }
        
        nav ul {
            display: flex;
            list-style: none;
            gap: 20px;
        }
        
        nav a {
            color: var(--light);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
            padding: 5px 10px;
            border-radius: 4px;
        }
        
        nav a:hover {
            color: var(--primary);
            background-color: rgba(78, 154, 241, 0.1);
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--light);
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        /* Hero Section */
        .hero {
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1603383928972-0a1d6c481fa4?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1470&q=80');
            background-size: cover;
            background-position: center;
            height: 60vh;
            display: flex;
            align-items: center;
            text-align: center;
            position: relative;
        }
        
        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            padding: 20px;
        }
        
        .hero h2 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: white;
        }
        
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            color: #ddd;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 24px;
            background-color: var(--primary);
            color: white;
            text-decoration: none;
            border-radius: 4px;
            font-weight: 600;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
        }
        
        .btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        }
        
        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        
        .btn-outline:hover {
            background-color: var(--primary);
            color: white;
        }
        
        /* Featured Posts */
        .featured {
            padding: 4rem 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
            position: relative;
        }
        
        .section-title h2 {
            font-size: 2rem;
            display: inline-block;
            padding-bottom: 10px;
        }
        

        
        .posts-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .post-card {
            background-color: var(--darker);
            border-radius: 8px;
            overflow: hidden;
            transition: transform 0.3s, box-shadow 0.3s;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }
        
        .post-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }
        
        .post-img {
            height: 200px;
            overflow: hidden;
        }
        
        .post-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .post-card:hover .post-img img {
            transform: scale(1.1);
        }
        
        .post-content {
            padding: 20px;
        }
        
        .post-category {
            display: inline-block;
            padding: 4px 10px;
            background-color: var(--primary);
            color: white;
            font-size: 0.8rem;
            border-radius: 4px;
            margin-bottom: 10px;
        }
        
        .post-title {
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: white;
        }
        
        .post-excerpt {
            color: #ccc;
            margin-bottom: 15px;
            font-size: 0.95rem;
        }
        
        .post-meta {
            display: flex;
            justify-content: space-between;
            color: var(--gray);
            font-size: 0.85rem;
        }
        
        /* Newsletter */
        .newsletter {
            background-color: var(--darker);
            padding: 4rem 0;
            text-align: center;
        }
        
        .newsletter-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            gap: 10px;
        }
        
        .newsletter-form input {
            flex: 1;
            padding: 12px 15px;
            border: none;
            border-radius: 4px;
            background-color: var(--dark);
            color: var(--light);
        }
        
        .newsletter-form button {
            padding: 12px 24px;
        }
        
        /* Footer */
        footer {
            background-color: var(--darker);
            padding: 4rem 0 2rem;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-bottom: 3rem;
        }
        
        .footer-col h3 {
            color: var(--primary);
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }
        
        .footer-col ul {
            list-style: none;
        }
        
        .footer-col ul li {
            margin-bottom: 10px;
        }
        
        .footer-col ul li a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-col ul li a:hover {
            color: var(--primary);
        }
        
        .social-links {
            display: flex;
            gap: 15px;
        }
        
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: var(--dark);
            color: var(--light);
            border-radius: 50%;
            transition: all 0.3s;
        }
        
        .social-links a:hover {
            background-color: var(--primary);
            transform: translateY(-3px);
        }
        
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid var(--gray);
            color: var(--gray);
            font-size: 0.9rem;
        }
        
        /* About Page */
        .about-section {
            padding: 4rem 0;
        }
        
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        
        .about-img {
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }
        
        .about-img img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        .about-text h2 {
            font-size: 2rem;
            margin-bottom: 1.5rem;
            color: var(--primary);
        }
        
        .about-text p {
            margin-bottom: 1rem;
            color: #ccc;
        }
        
        /* Contact Page */
        .contact-section {
            padding: 4rem 0;
        }
        
        .contact-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)));
            gap: 40px;
        }
        
        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        
        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }
        
        .contact-icon {
            font-size: 1.5rem;
            color: var(--primary);
        }
        
        .contact-text h3 {
            margin-bottom: 5px;
            color: white;
        }
        
        .contact-text p, .contact-text a {
            color: #ccc;
            text-decoration: none;
        }
        
        .contact-text a:hover {
            color: var(--primary);
        }
        
        .contact-form {
            background-color: var(--darker);
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: white;
        }
        
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 15px;
            background-color: var(--dark);
            border: 1px solid var(--gray);
            border-radius: 4px;
            color: var(--light);
        }
        
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        
        /* Impressum */
        .impressum-section {
            padding: 4rem 0;
        }
        
        .impressum-content h2 {
            font-size: 2rem;
            margin-bottom: 1.5rem;
            color: var(--primary);
        }
        
        .impressum-content h3 {
            font-size: 1.5rem;
            margin: 2rem 0 1rem;
            color: var(--light);
        }
        
        .impressum-content p {
            margin-bottom: 1rem;
            color: #ccc;
        }
        
        /* Responsive */
        @media (max-width: 992px) {
            .about-content {
                grid-template-columns: 1fr;
            }
            
            .about-img {
                order: -1;
            }
        }
        
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                gap: 20px;
            }
            
            nav ul {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
            
            .hero h2 {
                font-size: 2rem;
            }
            
            .newsletter-form {
                flex-direction: column;
            }
        }
        
        @media (max-width: 576px) {
            .hero {
                height: 50vh;
            }
            
            .hero h2 {
                font-size: 1.8rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .btn {
                padding: 10px 20px;
            }
            
            .section-title h2 {
                font-size: 1.5rem;
            }
        }


/* Popup Styles */
#popupOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.75);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

#popupContent {
    background: white;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    border-radius: 8px;
    padding: 20px;
    box-sizing: border-box;
    position: relative;
}

#popupContent img {
    max-width: 100%;
    height: auto;
    margin-bottom: 15px;
    border-radius: 4px;
}

#popupContent h2 {
    margin-top: 0;
}

#popupClose {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
    color: #333;
    border: none;
    background: none;
}