 :root {
            --primary: #0A1128;
            --secondary: #001F54;
            --accent: #00A6FB;
            --accent-soft: rgba(0, 166, 251, 0.15);
            --light: #F0F6FF;
            --dark: #05070F;
            --highlight: #FF4365;
            --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'SF Pro Display', -apple-system, BlinkMacSystemFont, Arial, sans-serif;
        }
        
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        
        body {
            background-color: var(--dark);
            color: var(--light);
            overflow-x: hidden;
            font-weight: 300;
            line-height: 1.6;
        }
        
        .site-container {
            display: grid;
            grid-template-rows: auto 1fr auto;
            min-height: 100vh;
            position: relative;
        }

        /* Background Elements */
        .bg-grid {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(var(--accent-soft) 1px, transparent 1px),
                linear-gradient(90deg, var(--accent-soft) 1px, transparent 1px);
            background-size: 40px 40px;
            opacity: 0.3;
            z-index: -1;
            pointer-events: none;
        }
        
        .bg-glow {
            position: fixed;
            top: 10%;
            right: -10%;
            width: 60%;
            height: 60%;
            background: radial-gradient(circle at center, var(--accent-soft), transparent 70%);
            opacity: 0.3;
            z-index: -1;
            pointer-events: none;
        }

        /* Utility Classes */
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border-width: 0;
        }
        
        /* Navigation */
        header {
            padding: 1.5rem 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: relative;
            z-index: 10;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: 600;
            color: var(--light);
            letter-spacing: 2px;
            display: flex;
            align-items: center;
        }
        
        .logo::before {
            content: "";
            display: inline-block;
            width: 8px;
            height: 8px;
            background-color: var(--accent);
            margin-right: 12px;
        }

        .nav-container {
            display: flex;
            align-items: center;
            gap: 2rem;
        }
        
        nav ul {
            display: flex;
            gap: 2.5rem;
            list-style: none;
        }
        
        nav a {
            color: var(--light);
            text-decoration: none;
            font-size: 0.95rem;
            letter-spacing: 1px;
            position: relative;
            padding: 0.5rem 0;
            transition: var(--transition);
        }
        
        nav a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 1px;
            background-color: var(--accent);
            transition: var(--transition);
        }
        
        nav a:hover {
            color: var(--accent);
        }
        
        nav a:hover::after {
            width: 100%;
        }

        .language-selector {
            position: relative;
            cursor: pointer;
            margin-left: 1rem;
        }

        .language-toggle {
            display: flex;
            align-items: center;
            color: var(--light);
            background: none;
            border: none;
            padding: 0.5rem;
            cursor: pointer;
            font-size: 0.9rem;
        }

        .language-toggle:hover {
            color: var(--accent);
        }

        .language-toggle span {
            margin-right: 0.5rem;
        }

        .language-toggle svg {
            width: 12px;
            height: 12px;
            transition: transform 0.3s ease;
        }

        .language-dropdown {
            position: absolute;
            top: 100%;
            right: 0;
            width: 120px;
            background-color: rgba(10, 17, 40, 0.95);
            border: 1px solid rgba(0, 166, 251, 0.2);
            border-radius: 4px;
            padding: 0.5rem 0;
            z-index: 100;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.3s ease;
        }

        .language-dropdown.active {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .language-option {
            display: block;
            padding: 0.5rem 1rem;
            text-decoration: none;
            color: var(--light);
            font-size: 0.9rem;
            transition: all 0.2s ease;
        }

        .language-option:hover {
            background-color: rgba(0, 166, 251, 0.1);
            color: var(--accent);
        }

        /* Mobile navigation */
        .mobile-nav-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--light);
            cursor: pointer;
            padding: 0.5rem;
            z-index: 200;
            transition: transform 0.3s ease;
        }
        
        /* Main Content */
        main {
            display: flex;
            flex-direction: column;
        }
        
        /* Hero Section */
        .hero {
            height: calc(100vh - 150px);
            min-height: 500px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        
        .hero-content {
            max-width: 650px;
            position: relative;
            z-index: 5;
        }
        
        .hero-subtitle {
            color: var(--accent);
            font-size: 1rem;
            letter-spacing: 3px;
            text-transform: uppercase;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
        }
        
        .hero-subtitle::before {
            content: "";
            display: inline-block;
            width: 40px;
            height: 1px;
            background-color: var(--accent);
            margin-right: 15px;
        }
        
        .hero-title {
            font-size: clamp(2.5rem, 5vw, 4rem);
            line-height: 1.1;
            font-weight: 300;
            margin-bottom: 2rem;
        }
        
        .hero-title span {
            color: var(--accent);
            font-weight: 400;
        }
        
        .hero-description {
            font-size: clamp(1rem, 1.5vw, 1.2rem);
            max-width: 550px;
            margin-bottom: 2.5rem;
        }
        
        .cta-button {
            display: inline-flex;
            align-items: center;
            padding: 0.8rem 2rem;
            background-color: transparent;
            border: 1px solid var(--accent);
            color: var(--accent);
            font-size: 0.9rem;
            letter-spacing: 1px;
            text-decoration: none;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        
        .cta-button::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 0;
            height: 100%;
            background-color: var(--accent);
            z-index: -1;
            transition: var(--transition);
        }
        
        .cta-button:hover {
            color: var(--dark);
        }
        
        .cta-button:hover::before {
            width: 100%;
        }
        
        .cta-button span {
            margin-left: 10px;
            transition: var(--transition);
        }
        
        .cta-button:hover span {
            transform: translateX(5px);
        }

        /* Section Styling */
        .section {
            padding: 8rem 0;
            position: relative;
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 300;
            margin-bottom: 3rem;
            position: relative;
        }
        
        .section-title::after {
            content: "";
            position: absolute;
            bottom: -15px;
            left: 0;
            width: 60px;
            height: 1px;
            background-color: var(--accent);
        }
        
        /* Comparison Section */
        .comparison-container {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 30px;
        }
        
        .legacy-system {
            grid-column: 1 / 6;
            background-color: rgba(10, 17, 40, 0.6);
            padding: 2.5rem;
            border: 1px solid rgba(240, 246, 255, 0.05);
            position: relative;
            transition: var(--transition);
            height: 100%;
        }
        
        .legacy-system::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #0c3e72, #1a2750);
            opacity: 0.1;
            z-index: -1;
        }
        
        .modern-system {
            grid-column: 6 / 13;
            background-color: rgba(0, 31, 84, 0.3);
            padding: 2.5rem;
            border: 1px solid var(--accent-soft);
            position: relative;
            transition: var(--transition);
            height: 100%;
        }
        
        .modern-system::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background-color: var(--accent);
            opacity: 0.5;
        }
        
        .system-title {
            font-size: 1.5rem;
            margin-bottom: 2rem;
            font-weight: 400;
        }
        
        .legacy-system .system-title {
            color: rgba(240, 246, 255, 0.7);
        }
        
        .modern-system .system-title {
            color: var(--accent);
        }
        
        .system-features {
            list-style: none;
        }
        
        .system-features li {
            margin-bottom: 1.2rem;
            padding-left: 1.5rem;
            position: relative;
        }
        
        .legacy-system .system-features li::before {
            content: "×";
            position: absolute;
            left: 0;
            color: rgba(255, 67, 101, 0.7);
        }
        
        .modern-system .system-features li::before {
            content: "•";
            position: absolute;
            left: 0;
            color: var(--accent);
        }
        
        .legacy-system:hover, .modern-system:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
        }
        
        /* Philosophy Section */
        .philosophy-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .philosophy-item {
            padding: 2rem;
            background-color: rgba(5, 7, 15, 0.5);
            border: 1px solid rgba(240, 246, 255, 0.05);
            transition: var(--transition);
            height: 100%;
        }
        
        .philosophy-item:hover {
            background-color: rgba(0, 31, 84, 0.3);
            border-color: var(--accent-soft);
            transform: translateY(-5px);
        }
        
        .philosophy-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 1.5rem;
        }
        
        .philosophy-item-title {
            font-size: 1.3rem;
            font-weight: 400;
            margin-bottom: 1rem;
            color: var(--light);
        }
        
        .philosophy-text {
            font-size: 1rem;
            color: rgba(240, 246, 255, 0.8);
        }
        
        /* Construx Section */
        .construx {
            background: linear-gradient(135deg, rgba(0, 31, 84, 0.8), rgba(10, 17, 40, 0.8));
            position: relative;
            overflow: hidden;
        }
        
        .construx::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            opacity: 0.3;
            z-index: -1;
        }
        
        .construx-container {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }
        
        .construx-title {
            font-size: 3rem;
            font-weight: 500;
            color: var(--accent);
            margin-bottom: 1.5rem;
            letter-spacing: 2px;
        }
        
        .construx-description {
            font-size: 1.2rem;
            max-width: 650px;
            margin: 0 auto 3rem;
        }
        
        .construx-features {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-bottom: 3rem;
        }
        
        .construx-feature {
            padding: 0.6rem 1.2rem;
            background-color: rgba(0, 166, 251, 0.1);
            border: 1px solid rgba(0, 166, 251, 0.2);
            font-size: 0.9rem;
            letter-spacing: 1px;
        }
        
        /* Founder Section */
        .founder-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }
        
        .founder-quote {
            font-size: 1.8rem;
            line-height: 1.5;
            font-weight: 300;
            margin-bottom: 2rem;
            position: relative;
        }
        
        .founder-quote::before, .founder-quote::after {
            content: """;
            font-size: 4rem;
            color: var(--accent);
            opacity: 0.3;
            position: absolute;
        }
        
        .founder-quote::before {
            top: -20px;
            left: -40px;
        }
        
        .founder-quote::after {
            content: """;
            bottom: -60px;
            right: -40px;
        }
        
        .founder-name {
            font-size: 1rem;
            color: var(--accent);
            margin-top: 3rem;
        }
        
        .founder-title {
            font-size: 0.9rem;
            color: rgba(240, 246, 255, 0.7);
            margin-top: 0.5rem;
        }
        
        /* Contact Section */
        .contact {
            text-align: center;
        }
        
        .contact-title {
            font-size: 2rem;
            font-weight: 300;
            margin-bottom: 2rem;
        }
        
        .contact-email {
            display: inline-block;
            color: var(--accent);
            font-size: 1.2rem;
            text-decoration: none;
            transition: var(--transition);
            position: relative;
        }
        
        .contact-email::after {
            content: "";
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 1px;
            background-color: var(--accent);
            transform: scaleX(0);
            transform-origin: right;
            transition: transform 0.3s ease;
        }
        
        .contact-email:hover::after {
            transform: scaleX(1);
            transform-origin: left;
        }
        
        /* Footer */
        footer {
            padding: 2rem 5%;
            background-color: var(--dark);
            border-top: 1px solid rgba(240, 246, 255, 0.05);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.9rem;
            color: rgba(240, 246, 255, 0.5);
        }
        
        .footer-links a {
            color: rgba(240, 246, 255, 0.5);
            text-decoration: none;
            margin-left: 1.5rem;
            transition: var(--transition);
        }
        
        .footer-links a:hover {
            color: var(--accent);
        }

        /* Back to Top Button */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 40px;
            height: 40px;
            background-color: rgba(0, 31, 84, 0.8);
            border: 1px solid var(--accent-soft);
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            color: var(--accent);
            text-decoration: none;
            z-index: 99;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            transform: translateY(20px);
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-to-top:hover {
            background-color: rgba(0, 166, 251, 0.2);
        }
        
        /* Data Visualization */
        .data-flows {
            position: absolute;
            top: 0;
            right: 0;
            width: 500px;
            height: 100%;
            pointer-events: none;
            z-index: 1;
            opacity: 0.2;
        }
        
        .data-line {
            position: absolute;
            height: 1px;
            background-color: var(--accent);
            transform-origin: left;
            animation: flowLine 8s infinite linear;
            opacity: 0;
        }
        
        @keyframes flowLine {
            0% { width: 0; opacity: 0; }
            20% { opacity: 0.8; }
            100% { width: 100%; opacity: 0; }
        }
        
        .data-line:nth-child(1) {
            top: 20%;
            left: 10%;
            width: 200px;
            transform: rotate(25deg);
            animation-delay: 0s;
        }
        
        .data-line:nth-child(2) {
            top: 40%;
            left: 30%;
            width: 150px;
            transform: rotate(-15deg);
            animation-delay: 2s;
        }
        
        .data-line:nth-child(3) {
            top: 70%;
            left: 20%;
            width: 250px;
            transform: rotate(40deg);
            animation-delay: 4s;
        }
        
        .data-line:nth-child(4) {
            top: 85%;
            left: 40%;
            width: 180px;
            transform: rotate(-30deg);
            animation-delay: 6s;
        }

        /* Animated Dots */
        .animated-dots {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
            margin-left: 10px;
        }

        .animated-dots span {
            width: 4px;
            height: 4px;
            background-color: var(--accent);
            border-radius: 50%;
            animation: pulseDot 1.5s infinite;
        }

        .animated-dots span:nth-child(2) {
            animation-delay: 0.2s;
        }

        .animated-dots span:nth-child(3) {
            animation-delay: 0.4s;
        }

        @keyframes pulseDot {
            0%, 100% {
                transform: scale(1);
                opacity: 0.5;
            }
            50% {
                transform: scale(1.5);
                opacity: 1;
            }
        }
        
        /* Responsive Design */
        @media (max-width: 1200px) {
            .legacy-system {
                grid-column: 1 / 6;
            }

            .modern-system {
                grid-column: 6 / 13;
            }
        }
        
        @media (max-width: 992px) {
            .hero {
                height: auto;
                padding: 6rem 0 4rem;
            }

            .comparison-container {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .legacy-system, .modern-system {
                grid-column: 1 / -1;
            }

            .modern-system::before {
                height: 5px;
                width: 100%;
                top: 0;
                left: 0;
            }

            .section {
                padding: 6rem 0;
            }
        }
        
        @media (max-width: 768px) {
            /* Mobile nav */
            .mobile-nav-toggle {
                display: block;
            }
            
            .mobile-nav-toggle svg {
                width: 24px;
                height: 24px;
                transition: transform 0.3s ease;
            }
            
            .mobile-nav-toggle[aria-expanded="true"] svg {
                transform: rotate(45deg);
            }
            
            nav ul {
                position: fixed;
                top: 0;
                right: -100%;
                height: 100vh;
                width: 70%;
                max-width: 300px;
                background-color: rgba(5, 7, 15, 0.98);
                backdrop-filter: blur(10px);
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 2rem;
                transition: right 0.3s ease;
                z-index: 100;
            }
            
            nav ul.active {
                right: 0;
            }

            .language-selector {
                margin: 2rem 0 0;
            }
            
            .founder-quote {
                font-size: 1.4rem;
                padding: 0 1rem;
            }
            
            .founder-quote::before, .founder-quote::after {
                font-size: 3rem;
            }
            
            .founder-quote::before {
                top: -15px;
                left: 0;
            }
            
            .founder-quote::after {
                bottom: -40px;
                right: 0;
            }

            .section-title {
                font-size: 2rem;
            }
        }
        
        @media (max-width: 576px) {
            .container {
                width: 85%;
            }

            .logo {
                font-size: 1.5rem;
            }

            header {
                padding: 1.25rem 0;
            }
            
            footer {
                flex-direction: column;
                gap: 1.5rem;
                text-align: center;
                padding: 1.5rem 5%;
            }
            
            .footer-links {
                display: flex;
                justify-content: center;
                gap: 1.5rem;
                flex-wrap: wrap;
            }
            
            .footer-links a {
                margin-left: 0;
            }

            .hero-subtitle {
                font-size: 0.9rem;
            }

            .hero-title {
                font-size: 2.2rem;
            }

            .construx-title {
                font-size: 2.5rem;
            }

            .construx-features {
                gap: 1rem;
            }

            .construx-feature {
                font-size: 0.8rem;
                padding: 0.5rem 1rem;
            }

            .system-title {
                font-size: 1.3rem;
            }

            .cta-button {
                padding: 0.7rem 1.5rem;
                font-size: 0.85rem;
            }

            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 35px;
                height: 35px;
            }
        }