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

        :root {
            --navy: #1a2f5a;
            --dark-blue: #2c3e50;
            --light-navy: #34495e;
            --off-white: #fafbfc;
            --white: #ffffff;
            --text-gray: #4a5568;
            --accent: #3b82f6;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--off-white);
            color: var(--text-gray);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Typography */
        h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 300;
            color: var(--navy);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: clamp(1.5rem, 3vw, 2.5rem);
            font-weight: 400;
            color: var(--navy);
            margin-bottom: 1rem;
            letter-spacing: -0.01em;
        }

        h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--dark-blue);
            margin-bottom: 0.75rem;
        }

        /* Header */
        header {
            background: var(--white);
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            transition: var(--transition);
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 5%;
            max-width: 1400px;
            margin: 0 auto;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--navy);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
        }

        .logo img {
            height: 40px;
            width: auto;
            transition: var(--transition);
        }

        .logo:hover img {
            transform: translateX(5px);
        }

        .nav-container {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .nav-links a {
            color: var(--dark-blue);
            text-decoration: none;
            font-weight: 500;
            position: relative;
            padding: 0.5rem 0;
            transition: var(--transition);
        }

        .nav-links a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
        }

        .nav-links a:hover:after,
        .nav-links a.active:after {
            width: 100%;
        }

        .lang-switcher {
            display: flex;
            gap: 0.5rem;
            align-items: center;
        }

        .lang-btn {
            padding: 0.5rem 1rem;
            background: transparent;
            border: 1px solid var(--navy);
            color: var(--navy);
            cursor: pointer;
            border-radius: 4px;
            font-weight: 500;
            transition: var(--transition);
        }

        .lang-btn:hover,
        .lang-btn.active {
            background: var(--navy);
            color: var(--white);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            gap: 4px;
            cursor: pointer;
        }

        .mobile-menu span {
            width: 25px;
            height: 2px;
            background: var(--navy);
            transition: var(--transition);
        }

        /* Hero Section */
        .hero {
            margin-top: 0;
            min-height: 100vh;
            background: linear-gradient(135deg, var(--navy) 0%, var(--dark-blue) 100%);
            position: relative;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding-top: 80px;
        }

        .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 1440 320"><path fill="%23ffffff" fill-opacity="0.03" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
            background-size: cover;
            opacity: 0.5;
        }

        .hero-content {
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 5%;
            position: relative;
            z-index: 1;
        }

        .hero h1 {
            color: var(--white);
            margin-bottom: 1.5rem;
            opacity: 0;
            animation: fadeInUp 1s ease forwards;
        }

        .hero-subtitle {
            font-size: 1.5rem;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 300;
            margin-bottom: 2rem;
            opacity: 0;
            animation: fadeInUp 1s ease 0.2s forwards;
            align-self: flex-start;
        }

        .hero-description {
            font-size: 1.125rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            line-height: 1.8;
            opacity: 0;
            animation: fadeInUp 1s ease 0.4s forwards;
            text-align: left;
        }

        /* Content Sections */
        .section {
            padding: 5rem 5%;
            max-width: 1400px;
            margin: 0 auto;
        }

        .section-about {
            background: var(--white);
            margin-top: -50px;
            position: relative;
            z-index: 10;
            border-radius: 8px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
        }

        .about-content {
            display: grid;
            gap: 1rem;
        }

        .about-text {
            font-size: 1.125rem;
            line-height: 1.8;
            color: var(--text-gray);
            margin-bottom: 1rem;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
            margin-top: 2rem;
        }

        .service-card {
            background: var(--off-white);
            padding: 2rem;
            border-radius: 8px;
            transition: var(--transition);
            border: 1px solid transparent;
        }


        .service-number {
            width: 40px;
            height: 40px;
            background: var(--navy);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            margin-bottom: 1rem;
        }

        .service-card ul {
            list-style: none;
            padding-left: 0;
            margin-top: 1rem;
        }

        .service-card li {
            padding: 0.5rem 0;
            padding-left: 1.5rem;
            position: relative;
        }

        .service-card li:before {
            content: '→';
            position: absolute;
            left: 0;
            color: var(--accent);
        }

        /* Władze Section */
        .board-section {
            background: var(--off-white);
            padding: 5rem 5%;
        }

        .board-content {
            max-width: 1400px;
            margin: 0 auto;
            
        }

        .board-content h2, .contact-section h2 {
            padding-left: 5%;
        }

        .board-layout {
            display: flex;
            gap: 3rem;
            align-items: stretch;
            margin-top: 2rem;
        }

        .board-image {
            flex: 0 0 30%;
            display: flex;
            align-items: flex-start;
        }

        .board-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center top;
            border-radius: 8px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        }

        .board-description {
            flex: 1;
            background: var(--white);
            padding: 2rem;
            border-radius: 8px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            text-align: left;
            position: relative;
            overflow: hidden;
        }

        .board-description::before {
            content: '';
            position: absolute;
            top: 50%;
            right: 2rem;
            transform: translateY(-10%);
            width: 450px;
            height: 450px;
            background-image: url('../img/metatals-icon-logo.PNG');
            background-size: contain;
            background-repeat: no-repeat;
            background-position: center;
            opacity: 0.1;
            filter: blur(0.5px);
            z-index: 1;
            pointer-events: none;
        }

        .board-description > * {
            position: relative;
            z-index: 2;
        }

        .board-description h3 {
            color: var(--navy);
            font-size: 1.75rem;
            margin-bottom: 1.5rem;
            text-align: left;
        }

        .board-description h4 {
            color: var(--accent);
            font-size: 1.25rem;
            font-weight: 500;
            margin-bottom: 1.5rem;
            text-align: left;
        }

        .board-description p {
            color: var(--text-gray);
            line-height: 1.8;
            margin-bottom: 1.5rem;
            text-align: left;
        }

        .board-description p:last-child {
            margin-bottom: 0;
        }

        /* Contact Section */
        .contact-section {
            background: var(--white);
            padding: 5rem 5%;
        }
        
        .contact-section h2 {
            max-width: 1400px;
            margin: 0 auto 2rem auto;
            color: var(--navy);
        }

        .contact-content {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: center;
        }

        .contact-info {
            background: var(--off-white);
            padding: 2rem;
            border-radius: 8px;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .contact-form {
            background: var(--off-white);
            padding: 2rem;
            border-radius: 8px;
            width: 100%;
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: var(--navy);
            font-weight: 500;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
            transition: var(--transition);
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
        }

        .submit-btn {
            background: var(--navy);
            color: var(--white);
            padding: 0.75rem 2rem;
            border: none;
            border-radius: 4px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }

        .submit-btn:hover {
            background: var(--dark-blue);
            transform: translateY(-2px);
        }

        .submit-btn:disabled {
            background: #ccc;
            color: #666;
            cursor: not-allowed;
            transform: none;
        }

        .submit-btn:disabled:hover {
            background: #ccc;
            transform: none;
        }

        .privacy-group {
            margin-bottom: 2rem;
        }

        .checkbox-container {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            font-size: 0.9rem;
            line-height: 1.5;
        }

        .checkbox-container input[type="checkbox"] {
            display: none;
        }

        .checkmark {
            width: 20px;
            height: 20px;
            border: 2px solid #ddd;
            border-radius: 3px;
            background: var(--white);
            position: relative;
            flex-shrink: 0;
            margin-top: 2px;
            transition: var(--transition);
            cursor: pointer;
        }

        .checkbox-container input[type="checkbox"]:checked + .checkmark {
            background: var(--navy);
            border-color: var(--navy);
        }

        .checkbox-container input[type="checkbox"]:checked + .checkmark::after {
            content: '✓';
            position: absolute;
            top: -1px;
            left: 4px;
            color: var(--white);
            font-size: 14px;
            font-weight: bold;
        }

        .privacy-content {
            flex: 1;
            color: var(--text-gray);
        }

        .privacy-full.hidden {
            display: none;
        }

        .expand-btn {
            background: none;
            border: none;
            color: var(--accent);
            cursor: pointer;
            text-decoration: underline;
            font-size: 0.9rem;
            margin-left: 0.5rem;
            transition: var(--transition);
        }

        .expand-btn:hover {
            color: var(--navy);
        }

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

        .contact-item {
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .contact-item:before {
            content: '•';
            color: var(--accent);
            font-size: 1.5rem;
        }

        /* Footer */
        footer {
            background: linear-gradient(135deg, var(--navy) 0%, var(--dark-blue) 100%);
            color: var(--white);
            padding: 3rem 5% 1rem 5%;
            position: relative;
            overflow: hidden;
        }

        footer::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 1440 320"><path fill="%23ffffff" fill-opacity="0.03" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat top;
            background-size: cover;
            opacity: 0.5;
            pointer-events: none;
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
            position: relative;
            z-index: 1;
        }

        .footer-section {
            text-align: left;
        }



        .footer-section h4 {
            color: var(--white);
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 1rem;
            border-bottom: 2px solid var(--accent);
            padding-bottom: 0.5rem;
            display: inline-block;
        }

        .footer-section p {
            margin-bottom: 1rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.9);
        }

        .footer-section strong {
            color: var(--white);
            font-weight: 600;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 0.75rem;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            transition: var(--transition);
            display: inline-block;
            position: relative;
        }

        .footer-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--white);
            transform: translateX(4px);
        }

        .footer-links a:hover::after {
            width: 100%;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            padding-top: 1rem;
            text-align: center;
            color: rgba(255, 255, 255, 0.8);
            position: relative;
            z-index: 1;
        }

        /* Reading progress indicator */
        .reading-progress {
            position: fixed;
            top: 0;
            left: 0;
            width: 0%;
            height: 3px;
            background: var(--accent);
            z-index: 1001;
            transition: width 0.1s ease;
        }

        /* Scroll to top button */
        .scroll-to-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            background: var(--navy);
            color: var(--white);
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            font-size: 1.2rem;
            transition: var(--transition);
            opacity: 0;
            visibility: hidden;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }

        .scroll-to-top.visible {
            opacity: 1;
            visibility: visible;
        }

        /* Hover effects only on devices that support hover */
        @media (hover: hover) and (pointer: fine) {
            .scroll-to-top:hover {
                background: var(--accent);
                transform: translateY(-3px);
                box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
            }
        }

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Mobile Styles */
        @media (max-width: 768px) {
            nav {
                padding: 1rem 3%;
            }
            
            .logo img {
                height: 24px;
            }
            
            .nav-links {
                display: none;
            }

            .mobile-menu {
                display: flex;
            }

            .hero {
                min-height: calc(100vh - 60px);
                margin-top: 60px;
            }

            .section {
                padding: 3rem 5%;
            }

            .services-grid {
                grid-template-columns: 1fr;
            }

            .contact-content {
                grid-template-columns: 1fr;
            }
            
            .board-layout {
                flex-direction: column;
                gap: 2rem;
            }
            
            .board-image {
                flex: none;
                max-width: 300px;
                margin: 0 auto;
            }
            
            .board-description::before {
                width: 150px;
                height: 150px;
                right: 0.5rem;
                bottom: 1rem;
                top: auto;
                opacity: 0.15;
                transform: none;
                filter: blur(0.2px);
            }
            
            .footer-content {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .scroll-to-top {
                bottom: 1rem;
                right: 1rem;
                width: 45px;
                height: 45px;
                font-size: 1.1rem;
            }

        }

        /* Mobile Navigation */
        .mobile-nav {
            display: none;
            position: fixed;
            top: 70px;
            left: 0;
            right: 0;
            background: var(--white);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            z-index: 999;
            padding: 2rem;
        }

        .mobile-nav.active {
            display: block;
        }

        .mobile-nav ul {
            list-style: none;
        }

        .mobile-nav li {
            margin-bottom: 1rem;
        }

        .mobile-nav a {
            color: var(--navy);
            text-decoration: none;
            font-weight: 500;
            font-size: 1.125rem;
        }

        /* Hidden by default */
        .hidden {
            display: none !important;
        }