:root {
            --primary: #00f3ff;
            --secondary: #7b00ff;
            --dark: #0a0a1a;
            --darker: #050510;
            --light: #f0f8ff;
            --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Exo 2', sans-serif;
            background-color: var(--darker);
            color: var(--light);
            line-height: 1.6;
            overflow-x: hidden;
            background-image: 
                radial-gradient(circle at 15% 50%, rgba(28, 0, 58, 0.4) 0%, transparent 25%),
                radial-gradient(circle at 85% 30%, rgba(0, 179, 255, 0.3) 0%, transparent 25%);
        }
        
        #particles-js {
            position: fixed;
            width: 100%;
            height: 100%;
            z-index: -1;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }
        
        /* Header & Navigation */
        header {
            padding: 2rem 0;
            position: relative;
            z-index: 100;
            backdrop-filter: blur(10px);
            background: rgba(5, 5, 16, 0.7);
            position: sticky;
            top: 0;
        }
        
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-family: 'Share Tech Mono', monospace;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
        }
        
        .logo-icon {
            display: inline-block;
            width: 12px;
            height: 12px;
            background: var(--primary);
            border-radius: 50%;
            margin-right: 10px;
            box-shadow: 0 0 15px var(--primary);
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0% { opacity: 0.7; }
            50% { opacity: 1; }
            100% { opacity: 0.7; }
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav li {
            margin-left: 2rem;
        }
        
        nav a {
            color: var(--light);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            position: relative;
        }
        
        nav a:after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
        }
        
        nav a:hover {
            color: var(--primary);
        }
        
        nav a:hover:after {
            width: 100%;
        }
        
        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            padding: 4rem 0;
        }
        
        .hero-content {
            max-width: 800px;
            position: relative;
            z-index: 10;
        }
        
        .hero h1 {
            font-size: 4rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .hero p {
            font-size: 1.5rem;
            margin-bottom: 2.5rem;
            max-width: 600px;
        }
        
        .cta-buttons {
            display: flex;
            gap: 1rem;
        }
        
        .btn {
            display: inline-block;
            padding: 1rem 2rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            font-size: 1.1rem;
            border: 2px solid transparent;
            cursor: pointer;
        }
        
        .btn-primary {
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            color: var(--darker);
            box-shadow: 0 4px 20px rgba(0, 243, 255, 0.3);
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0, 243, 255, 0.4);
        }
        
        .btn-secondary {
            border-color: var(--primary);
            color: var(--primary);
            background: transparent;
        }
        
        .btn-secondary:hover {
            background: rgba(0, 243, 255, 0.1);
            transform: translateY(-3px);
        }
        
        /* Sections */
        section {
            padding: 6rem 0;
            position: relative;
        }
        
        .section-title {
            font-size: 2.5rem;
            text-align: center;
            margin-bottom: 3rem;
            position: relative;
            display: inline-block;
            left: 50%;
            transform: translateX(-50%);
        }
        
        .section-title:after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            border-radius: 2px;
        }
        
        /* What is Centrigon */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }
        
        .feature-card {
            background: rgba(10, 10, 26, 0.7);
            border: 1px solid rgba(0, 243, 255, 0.2);
            border-radius: 15px;
            padding: 2rem;
            transition: var(--transition);
            backdrop-filter: blur(10px);
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            border-color: var(--primary);
            box-shadow: 0 10px 30px rgba(0, 243, 255, 0.2);
        }
        
        .feature-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }
        
        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }
        
        /* Future Applications */
        .applications {
            background: rgba(5, 5, 16, 0.8);
            position: relative;
            overflow: hidden;
        }
        
        .applications:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 75% 20%, rgba(123, 0, 255, 0.2) 0%, transparent 40%),
                radial-gradient(circle at 25% 80%, rgba(0, 243, 255, 0.2) 0%, transparent 40%);
            z-index: -1;
        }
        
        .apps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        
        .app-item {
            text-align: center;
            padding: 2rem;
            border-radius: 15px;
            background: rgba(255, 255, 255, 0.03);
            transition: var(--transition);
        }
        
        .app-item:hover {
            background: rgba(0, 243, 255, 0.05);
            transform: scale(1.05);
        }
        
        .app-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
            color: var(--secondary);
        }
        
        /* CTA Section */
        .cta-section {
            text-align: center;
            padding: 8rem 0;
        }
        
        .cta-section h2 {
            font-size: 3rem;
            margin-bottom: 2rem;
        }
        
        .cta-section p {
            font-size: 1.5rem;
            max-width: 700px;
            margin: 0 auto 3rem;
        }
        
        /* Modal */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(5, 5, 16, 0.95);
            z-index: 1000;
            align-items: center;
            justify-content: center;
            overflow-y: auto;
            padding: 2rem 0;
        }
        
        .modal-content {
            background: var(--dark);
            border: 1px solid var(--primary);
            border-radius: 15px;
            padding: 3rem;
            max-width: 500px;
            width: 90%;
            position: relative;
            margin: auto;
        }
        
        .close-modal {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: none;
            border: none;
            color: var(--light);
            font-size: 1.5rem;
            cursor: pointer;
            z-index: 10;
        }
        
        .form-group {
            margin-bottom: 1.5rem;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid rgba(0, 243, 255, 0.3);
            border-radius: 5px;
            background: rgba(0, 243, 255, 0.1);
            color: var(--light);
            font-family: 'Exo 2', sans-serif;
        }
        
        /* Footer */
        footer {
            background: var(--dark);
            padding: 4rem 0 2rem;
            text-align: center;
        }
        
        .footer-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        
        .footer-links a {
            color: var(--light);
            text-decoration: none;
            transition: var(--transition);
        }
        
        .footer-links a:hover {
            color: var(--primary);
        }
        
        .copyright {
            opacity: 0.7;
            font-size: 0.9rem;
        }
        
        /* NEW: Team Section - Updated for Solo Founder */
        .team-section {
            background: rgba(10, 10, 26, 0.5);
        }
        
        .team-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .team-member {
            text-align: center;
            padding: 2rem;
            border-radius: 15px;
            background: rgba(255, 255, 255, 0.03);
            transition: var(--transition);
        }
        
        .team-member:hover {
            transform: translateY(-10px);
            background: rgba(0, 243, 255, 0.05);
        }
        
        .member-photo {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            margin: 0 auto 1rem;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: var(--darker);
        }
        
        /* NEW: Timeline Section - Fixed for Mobile */
        .timeline-section {
            position: relative;
            overflow: hidden;
        }
        
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 3rem auto 0;
        }
        
        .timeline:before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
            transform: translateX(-50%);
        }
        
        .timeline-item {
            position: relative;
            margin-bottom: 3rem;
            width: 45%;
        }
        
        .timeline-item:nth-child(odd) {
            left: 0;
        }
        
        .timeline-item:nth-child(even) {
            left: 55%;
        }
        
        .timeline-content {
            background: rgba(10, 10, 26, 0.7);
            border: 1px solid rgba(0, 243, 255, 0.2);
            border-radius: 15px;
            padding: 1.5rem;
            position: relative;
            backdrop-filter: blur(10px);
        }
        
        .timeline-content:after {
            content: '';
            position: absolute;
            top: 20px;
            width: 20px;
            height: 20px;
            background: var(--primary);
            border-radius: 50%;
        }
        
        .timeline-item:nth-child(odd) .timeline-content:after {
            right: -50px;
        }
        
        .timeline-item:nth-child(even) .timeline-content:after {
            left: -50px;
        }
        
        .timeline-date {
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
        
        /* NEW: Interactive Demo - Fixed */
        .demo-section {
            text-align: center;
        }
        
        .demo-container {
            max-width: 800px;
            margin: 3rem auto 0;
            background: rgba(10, 10, 26, 0.7);
            border-radius: 15px;
            padding: 2rem;
            border: 1px solid rgba(0, 243, 255, 0.2);
        }
        
        .demo-visualization {
            height: 200px;
            background: rgba(0, 0, 0, 0.3);
            border-radius: 10px;
            margin-bottom: 2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }
        
        .demo-node {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            position: absolute;
            box-shadow: 0 0 15px var(--primary);
            transition: all 1s ease;
        }
        
        .demo-node:nth-child(1) {
            top: 30%;
            left: 20%;
        }
        
        .demo-node:nth-child(2) {
            top: 60%;
            left: 40%;
            background: var(--secondary);
            box-shadow: 0 0 15px var(--secondary);
        }
        
        .demo-node:nth-child(3) {
            top: 20%;
            left: 70%;
        }
        
        .demo-node:nth-child(4) {
            top: 70%;
            left: 80%;
            background: var(--secondary);
            box-shadow: 0 0 15px var(--secondary);
        }
        
        .demo-connection {
            position: absolute;
            height: 2px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            transform-origin: left center;
            opacity: 0;
            transition: opacity 0.5s ease;
        }
        
        .demo-controls {
            display: flex;
            gap: 1rem;
            justify-content: center;
            margin-top: 1.5rem;
        }
        
        /* NEW: FAQ Section */
        .faq-section {
            background: rgba(5, 5, 16, 0.8);
        }
        
        .faq-container {
            max-width: 800px;
            margin: 3rem auto 0;
        }
        
        .faq-item {
            margin-bottom: 1rem;
            border: 1px solid rgba(0, 243, 255, 0.2);
            border-radius: 10px;
            overflow: hidden;
        }
        
        .faq-question {
            padding: 1.5rem;
            background: rgba(10, 10, 26, 0.5);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }
        
        .faq-question:hover {
            background: rgba(0, 243, 255, 0.1);
        }
        
        .faq-answer {
            padding: 0 1.5rem;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        
        .faq-item.active .faq-answer {
            padding: 1.5rem;
            max-height: 500px;
        }
        
        .faq-toggle {
            color: var(--primary);
            font-size: 1.2rem;
            transition: transform 0.3s ease;
        }
        
        .faq-item.active .faq-toggle {
            transform: rotate(45deg);
        }
        
        /* NEW: Stats Section */
        .stats-section {
            text-align: center;
        }
        
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }
        
        .stat-item {
            padding: 2rem;
            border-radius: 15px;
            background: rgba(255, 255, 255, 0.03);
        }
        
        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
        
        .stat-label {
            font-size: 1.1rem;
            opacity: 0.8;
        }
        
        /* Card layout improvements */
        .principles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        /* Ensure even layout for principles section */
        @media (min-width: 1200px) {
            .principles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1400px) {
            .principles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        /* Ethics Section */
        .ethics-section {
            background: rgba(10, 10, 26, 0.7);
            position: relative;
            overflow: hidden;
        }
        
        .ethics-section:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 25% 25%, rgba(0, 243, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 75% 75%, rgba(123, 0, 255, 0.1) 0%, transparent 50%);
            z-index: -1;
        }
        
        .ethics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }
        
        .ethics-card {
            background: rgba(5, 5, 16, 0.8);
            border: 1px solid rgba(0, 243, 255, 0.3);
            border-radius: 15px;
            padding: 2rem;
            transition: var(--transition);
            backdrop-filter: blur(10px);
            position: relative;
            overflow: hidden;
        }
        
        .ethics-card:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
        }
        
        .ethics-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 10px 30px rgba(0, 243, 255, 0.2);
        }
        
        .ethics-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }
        
        .ethics-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }
        
        .ethics-visualization {
            max-width: 800px;
            margin: 4rem auto 0;
            background: rgba(5, 5, 16, 0.8);
            border-radius: 15px;
            padding: 2rem;
            border: 1px solid rgba(0, 243, 255, 0.2);
            position: relative;
        }
        
        .ethics-flow {
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: relative;
        }
        
        .ethics-node {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            text-align: center;
            position: relative;
            z-index: 2;
        }
        
        .ethics-node.core {
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            color: var(--darker);
            font-weight: 700;
        }
        
        .ethics-node.emotional {
            background: rgba(0, 243, 255, 0.2);
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        
        .ethics-node.goal {
            background: rgba(123, 0, 255, 0.2);
            border: 2px solid var(--secondary);
            color: var(--secondary);
        }
        
        .ethics-connector {
            position: absolute;
            height: 2px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            top: 50%;
            z-index: 1;
        }
        
        .ethics-connector:after {
            content: '→';
            position: absolute;
            right: -10px;
            top: -10px;
            color: var(--primary);
            font-size: 1.2rem;
        }
        
        .ethics-feedback {
            display: flex;
            justify-content: center;
            margin-top: 2rem;
            gap: 2rem;
        }
        
        .feedback-loop {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            border: 2px dashed var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 1rem;
            font-size: 0.9rem;
            color: var(--primary);
            position: relative;
            animation: rotate 20s linear infinite;
        }
        
        @keyframes rotate {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .hero p {
                font-size: 1.2rem;
            }
            
            .cta-buttons {
                flex-direction: column;
            }
            
            nav ul {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .footer-links {
                flex-direction: column;
                gap: 1rem;
            }
            
            /* Fixed Timeline for Mobile */
            .timeline:before {
                left: 30px;
            }
            
            .timeline-item {
                width: 100%;
                left: 0 !important;
                padding-left: 70px;
            }
            
            .timeline-content:after {
                left: -40px !important;
            }
            
            /* Fixed Ethics Visualization for Mobile */
            .ethics-flow {
                flex-direction: column;
                gap: 2rem;
            }
            
            .ethics-connector {
                display: none;
            }
            
            .ethics-node {
                width: 80px;
                height: 80px;
                font-size: 0.8rem;
            }
        }