:root {
            --primary-orange: #E67E22;
            --primary-orange-hover: #d35400;
            --primary-blue: #1D5B96;
            --dark-blue: #143F6B;
            --light-bg: #F8FAFC;
            --text-dark: #2C3E50;
            --text-muted: #64748B;
            --white: #FFFFFF;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Open Sans', sans-serif;
            color: var(--text-dark);
            background-color: var(--light-bg);
            line-height: 1.6;
        }

        h1, h2, h3, h4, .logo-text {
            font-family: 'Poppins', sans-serif;
        }

        /* Fejléc / Navigáció */
        header {
            position: sticky;
            top: 0;
            background: var(--white);
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            z-index: 1000;
        }

        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 12px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }

        .logo img {
            height: 50px;
            width: auto;
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }

        nav a {
            text-decoration: none;
            color: var(--dark-blue);
            font-weight: 600;
            font-size: 1.05rem;
            transition: color 0.3s ease;
            position: relative;
            padding: 5px 0;
        }

        nav a:hover, nav a.active {
            color: var(--primary-orange);
        }

        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--primary-orange);
            transition: width 0.3s ease;
            border-radius: 2px;
        }

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

        /* Modern Hero Szekció tech háttérrel és overlay-jel */
        .hero {
            background: linear-gradient(135deg, rgba(20, 63, 107, 0.92) 0%, rgba(29, 91, 150, 0.88) 100%), 
                        url('https://images.unsplash.com/photo-1558494949-ef010cbdcc31?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
            color: var(--white);
            padding: 110px 24px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: inset 0 -10px 20px rgba(0,0,0,0.15);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: rgba(230, 126, 34, 0.15);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-content {
            max-width: 850px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .hero h1 {
            font-size: 2.9rem;
            margin-bottom: 20px;
            font-weight: 800;
            line-height: 1.25;
            text-shadow: 0 2px 10px rgba(0,0,0,0.3);
        }

        .hero p {
            font-size: 1.25rem;
            margin-bottom: 35px;
            opacity: 0.95;
            font-weight: 400;
            text-shadow: 0 1px 5px rgba(0,0,0,0.2);
        }

        .cta-btn {
            display: inline-block;
            background-color: var(--primary-orange);
            color: var(--white);
            padding: 14px 36px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 4px 15px rgba(230, 126, 34, 0.4);
            transition: all 0.3s ease;
        }

        .cta-btn:hover {
            background-color: var(--primary-orange-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(230, 126, 34, 0.5);
        }

        /* Közös Szekció Stílusok */
        section {
            padding: 80px 24px;
            max-width: 1400px;
            margin: 0 auto;
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-header h2 {
            font-size: 2.3rem;
            color: var(--dark-blue);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background-color: var(--primary-orange);
            margin: 10px auto 0;
            border-radius: 2px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.1rem;
        }

        /* Szolgáltatások Grid - 4 Oszlopos elrendezés */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
        }

        .service-card {
            background: var(--white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid #E2E8F0;
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 30px rgba(29, 91, 150, 0.15);
            border-color: var(--primary-orange);
        }

        .service-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .service-content {
            padding: 25px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .service-icon {
            width: 55px;
            height: 55px;
            background: rgba(230, 126, 34, 0.1);
            color: var(--primary-orange);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 18px;
            margin-top: -50px;
            border: 3px solid var(--white);
            box-shadow: 0 4px 10px rgba(0,0,0,0.08);
        }

        .service-title {
            font-size: 1.15rem;
            color: var(--dark-blue);
            margin-bottom: 12px;
            text-align: center;
            hyphens: auto;
        }

        .service-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            text-align: justify;
            hyphens: auto;
            -webkit-hyphens: auto;
        }

        /* Referenciák Szekció */
        .references-section {
            background-color: var(--white);
            border-radius: 16px;
            padding: 60px 40px;
            margin-top: 40px;
            margin-bottom: 40px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.03);
        }

        .ref-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .ref-card {
            background: var(--light-bg);
            padding: 30px;
            border-radius: 10px;
            border-left: 4px solid var(--primary-blue);
        }

        .ref-card i {
            color: var(--primary-orange);
            font-size: 1.8rem;
            margin-bottom: 15px;
        }

        .ref-text {
            font-style: italic;
            color: var(--text-dark);
            margin-bottom: 15px;
            font-size: 0.95rem;
            text-align: justify;
        }

        .ref-author {
            font-weight: 700;
            color: var(--dark-blue);
            font-size: 0.9rem;
        }

        .ref-company {
            color: var(--text-muted);
            font-size: 0.825rem;
        }

        /* Kapcsolat Szekció */
        .contact-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 40px;
            align-items: start;
        }

        .contact-info {
            background: var(--dark-blue);
            color: var(--white);
            padding: 40px;
            border-radius: 12px;
        }

        .contact-info h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: var(--primary-orange);
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
        }

        .contact-item i {
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            color: var(--primary-orange);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }

        .contact-form {
            background: var(--white);
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            border: 1px solid #E2E8F0;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark-blue);
            font-size: 0.9rem;
        }

        .form-group input, .form-group textarea {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #CBD5E1;
            border-radius: 8px;
            font-family: inherit;
            font-size: 0.95rem;
        }

        .form-group input:focus, .form-group textarea:focus {
            outline: none;
            border-color: var(--primary-orange);
        }

        .submit-btn {
            width: 100%;
            background: var(--primary-blue);
            color: var(--white);
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.3s;
        }

        .submit-btn:hover {
            background: var(--dark-blue);
        }

        .form-status {
            margin-top: 15px;
            padding: 12px;
            border-radius: 6px;
            display: none;
            font-size: 0.9rem;
            text-align: center;
        }

        .form-status.success {
            display: block;
            background-color: #D1E7DD;
            color: #0F5132;
            border: 1px solid #BADBCC;
        }

        .form-status.error {
            display: block;
            background-color: #F8D7DA;
            color: #842029;
            border: 1px solid #F5C2C7;
        }

        /* Lábléc */
        footer {
            background: var(--dark-blue);
            color: var(--white);
            text-align: center;
            padding: 25px;
            margin-top: 60px;
            border-top: 3px solid var(--primary-orange);
        }

        footer p {
            font-size: 0.9rem;
            opacity: 0.8;
        }

        /* Reszponzív nézetek */
        @media (max-width: 1200px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .services-grid {
                grid-template-columns: 1fr;
            }

            .nav-container {
                flex-direction: column;
                gap: 15px;
            }

            .hero h1 {
                font-size: 2.1rem;
            }

            section {
                padding: 50px 18px;
            }
        }
        /* Modal (Impresszum) stílusok */
        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.6);
            backdrop-filter: blur(4px);
        }

        .modal-content {
            background-color: var(--white);
            margin: 8% auto;
            padding: 30px;
            border-radius: 12px;
            width: 90%;
            max-width: 600px;
            position: relative;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }

        .close-btn {
            position: absolute;
            right: 20px;
            top: 15px;
            font-size: 28px;
            font-weight: bold;
            color: var(--text-muted);
            cursor: pointer;
        }

        .close-btn:hover {
            color: var(--primary-orange);
        }

        .impresszum-group h3 {
            font-size: 1.1rem;
            color: var(--primary-blue);
            border-bottom: 2px solid var(--primary-orange);
            padding-bottom: 5px;
            margin-bottom: 10px;
        }

        .impresszum-group p {
            font-size: 0.95rem;
            margin-bottom: 4px;
        }