/* Alap stílusok és változók */
        :root {
            --primary-color: #2c3e50;
            --secondary-color: #3498db;
            --light-color: #ecf0f1;
            --dark-color: #2c3e50;
            --text-color: #333;
            --background-color: #f9f9f9;
            --card-bg: #fff;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }

        /* Sötét téma változói */
        .dark-mode {
            --primary-color: #3498db;
            --secondary-color: #2c3e50;
            --light-color: #2c3e50;
            --dark-color: #ecf0f1;
            --text-color: #ecf0f1;
            --background-color: #1a1a1a;
            --card-bg: #2c3e50;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background-color: var(--background-color);
            color: var(--text-color);
            line-height: 1.6;
            transition: var(--transition);
        }

        /* Fejléc stílusai */
        header {
            background-color: var(--primary-color);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow);
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
        }

        /* Navigációs menü */
        nav ul {
            display: flex;
            list-style: none;
        }

        nav ul li {
            margin-left: 1.5rem;
        }

        nav ul li a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            padding: 0.5rem 0;
            position: relative;
        }

        nav ul li a:hover {
            color: var(--secondary-color);
        }

        nav ul li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary-color);
            transition: var(--transition);
        }

        nav ul li a:hover::after {
            width: 100%;
        }

        /* Hamburger menü mobilnézethez */
        .hamburger {
            display: none;
            cursor: pointer;
        }

        .hamburger div {
            width: 25px;
            height: 3px;
            background-color: white;
            margin: 5px;
            transition: var(--transition);
        }

        /* Fő tartalom */
        main {
            padding: 2rem 0;
        }

        .hero {
            text-align: center;
            padding: 3rem 0;
            background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://images.unsplash.com/photo-1581093450021-4a7360e9a9e5?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            margin-bottom: 2rem;
            border-radius: 8px;
        }

        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }

        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto;
        }

        /* Szolgáltatások rész */
        .services {
            margin: 3rem 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 2rem;
            color: var(--primary-color);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }

        .service-card {
            background-color: var(--card-bg);
            border-radius: 8px;
            padding: 1.5rem;
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-align: center;
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }

        .service-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 6px;
            margin-bottom: 1rem;
        }

        .service-card h3 {
            margin-bottom: 0.5rem;
            color: var(--primary-color);
        }

        /* Elérhetőségek rész */
        .contact {
            background-color: var(--primary-color);
            color: white;
            padding: 3rem 0;
            border-radius: 8px;
        }

        .contact-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .contact-info {
            margin-bottom: 1.5rem;
        }

        .contact-info h3 {
            margin-bottom: 1rem;
            color: var(--secondary-color);
        }

        /* Lábléc */
        footer {
            background-color: var(--dark-color);
            color: white;
            text-align: center;
            padding: 1.5rem 0;
            margin-top: 2rem;
        }

        /* Téma váltó gomb */
        .theme-toggle {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            cursor: pointer;
            display: flex;
            justify-content: center;
            align-items: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
            z-index: 99;
        }

        .theme-toggle:hover {
            background-color: var(--secondary-color);
            transform: scale(1.1);
        }

        /* Reszponzív stílusok */
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }

            nav ul {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background-color: var(--primary-color);
                flex-direction: column;
                align-items: center;
                justify-content: center;
                transition: var(--transition);
                z-index: 99;
            }

            nav ul.active {
                left: 0;
            }

            nav ul li {
                margin: 1.5rem 0;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .hero p {
                font-size: 1rem;
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.8rem;
            }

            .header-container {
                flex-direction: column;
                text-align: center;
            }

            .logo {
                margin-bottom: 1rem;
            }
        }