@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;800&family=Inter:wght@300;400;500;600;700&display=swap');
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --void-dark: #0a0a0f;
            --void-deeper: #050508;
            --lunar-silver: #c0c5ce;
            --memory-gold: #d4af37;
            --datasphere-cyan: #00d4aa;
            --temporal-purple: #6b4ee6;
            --shrike-red: #ff3864;
            --tombs-blue: #1a3a52;
            --light: #f0f2f5;
            --gray: #8a9199;
            --aframe-red: #ef2d5e;
            --d3-orange: #f9a03c;
        }

        html {
            scroll-behavior: smooth;
        }

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

        /* Temporal Grid Background */
        .temporal-grid {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(rgba(0, 212, 170, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 212, 170, 0.03) 1px, transparent 1px);
            background-size: 50px 50px;
            pointer-events: none;
            z-index: 0;
            animation: temporalShift 20s linear infinite;
        }

        @keyframes temporalShift {
            0% { transform: perspective(500px) rotateX(60deg) translateY(0); }
            100% { transform: perspective(500px) rotateX(60deg) translateY(50px); }
        }

        /* Navigation */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            padding: 1.5rem 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 1000;
            background: rgba(10, 10, 15, 0.8);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 212, 170, 0.1);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-family: 'Cinzel', serif;
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--lunar-silver);
            text-decoration: none;
            letter-spacing: 0.1em;
        }

        .logo-symbol {
            width: 40px;
            height: 40px;
            border: 2px solid var(--memory-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            animation: lunarPhase 8s ease-in-out infinite;
        }

        .logo-symbol::before {
            content: '◈';
            color: var(--memory-gold);
            font-size: 1.3rem;
        }

        @keyframes lunarPhase {
            0%, 100% { box-shadow: 0 0 20px rgba(212, 175, 55, 0.3); }
            50% { box-shadow: 0 0 40px rgba(212, 175, 55, 0.6); }
        }

        .nav-links {
            display: flex;
            gap: 2.5rem;
            list-style: none;
        }

        .nav-links a {
            color: var(--lunar-silver);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 500;
            opacity: 0.8;
            transition: all 0.3s ease;
            position: relative;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--datasphere-cyan);
            transition: width 0.3s ease;
            box-shadow: 0 0 10px var(--datasphere-cyan);
        }

        .nav-links a:hover {
            color: var(--datasphere-cyan);
            opacity: 1;
        }

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

        .github-btn {
            padding: 0.6rem 1.2rem;
            background: rgba(0, 212, 170, 0.1);
            border: 1px solid rgba(0, 212, 170, 0.3);
            border-radius: 4px;
            color: var(--datasphere-cyan);
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .github-btn:hover {
            background: rgba(0, 212, 170, 0.2);
            box-shadow: 0 0 20px rgba(0, 212, 170, 0.3);
        }

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            padding: 8rem 5% 5rem;
            overflow: hidden;
        }

        .void-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(0, 212, 170, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 20%, rgba(212, 175, 55, 0.08) 0%, transparent 40%);
            pointer-events: none;
        }

        /* Memory Crystals */
        .crystal-field {
            position: absolute;
            width: 100%;
            height: 100%;
            pointer-events: none;
            overflow: hidden;
        }

        .crystal {
            position: absolute;
            width: 4px;
            background: linear-gradient(to bottom, transparent, var(--datasphere-cyan), transparent);
            opacity: 0.3;
            animation: crystalFloat 15s infinite ease-in-out;
        }

        .crystal:nth-child(1) { left: 10%; height: 100px; top: 20%; animation-delay: 0s; }
        .crystal:nth-child(2) { left: 25%; height: 150px; top: 60%; animation-delay: -3s; }
        .crystal:nth-child(3) { left: 40%; height: 80px; top: 30%; animation-delay: -6s; }
        .crystal:nth-child(4) { left: 60%; height: 120px; top: 70%; animation-delay: -9s; }
        .crystal:nth-child(5) { left: 75%; height: 90px; top: 40%; animation-delay: -12s; }
        .crystal:nth-child(6) { left: 90%; height: 130px; top: 55%; animation-delay: -4s; }

        @keyframes crystalFloat {
            0%, 100% { transform: translateY(0) scaleY(1); opacity: 0.2; }
            50% { transform: translateY(-30px) scaleY(1.2); opacity: 0.5; }
        }

        .hero-content {
            max-width: 900px;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1rem;
            background: rgba(0, 212, 170, 0.1);
            border: 1px solid rgba(0, 212, 170, 0.3);
            border-radius: 2px;
            font-size: 0.8rem;
            color: var(--datasphere-cyan);
            font-weight: 600;
            margin-bottom: 2rem;
            animation: fadeInUp 0.8s ease;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            position: relative;
            overflow: hidden;
        }

        .badge::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--memory-gold);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }

        @keyframes scan {
            0% { left: -100%; }
            100% { left: 100%; }
        }

        h1 {
            font-family: 'Cinzel', serif;
            font-size: clamp(2.5rem, 6vw, 4.5rem);
            font-weight: 400;
            line-height: 1.1;
            margin-bottom: 1.5rem;
            letter-spacing: 0.05em;
            animation: fadeInUp 0.8s ease 0.1s both;
        }

        .nemosyne {
            background: linear-gradient(135deg, var(--memory-gold) 0%, var(--lunar-silver) 50%, var(--datasphere-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 40px rgba(212, 175, 55, 0.3);
        }

        .hero-subtitle {
            font-size: clamp(1.1rem, 2vw, 1.35rem);
            color: var(--gray);
            max-width: 600px;
            margin: 0 auto 2rem;
            animation: fadeInUp 0.8s ease 0.2s both;
        }

        .tech-stack {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 3rem;
            animation: fadeInUp 0.8s ease 0.25s both;
            flex-wrap: wrap;
        }

        .tech-badge {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1rem;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 4px;
            font-size: 0.85rem;
            color: var(--lunar-silver);
            font-weight: 500;
        }

        .tech-badge.aframe {
            border-color: var(--aframe-red);
            color: var(--aframe-red);
        }

        .tech-badge.d3 {
            border-color: var(--d3-orange);
            color: var(--d3-orange);
        }

        .cta-group {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
            animation: fadeInUp 0.8s ease 0.3s both;
        }

        .btn {
            padding: 1rem 2rem;
            border-radius: 2px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            position: relative;
            overflow: hidden;
        }

        .btn-primary {
            background: rgba(0, 212, 170, 0.1);
            color: var(--datasphere-cyan);
            border: 1px solid var(--datasphere-cyan);
            box-shadow: 0 0 30px rgba(0, 212, 170, 0.2);
        }

        .btn-primary:hover {
            background: rgba(0, 212, 170, 0.2);
            box-shadow: 0 0 50px rgba(0, 212, 170, 0.4);
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: transparent;
            color: var(--lunar-silver);
            border: 1px solid rgba(192, 197, 206, 0.3);
        }

        .btn-secondary:hover {
            border-color: var(--memory-gold);
            color: var(--memory-gold);
            box-shadow: 0 0 30px rgba(212, 175, 55, 0.2);
        }

        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* VR Demo Section */
        .vr-section {
            padding: 6rem 5%;
            background: var(--void-deeper);
            position: relative;
            border-top: 1px solid rgba(0, 212, 170, 0.2);
            border-bottom: 1px solid rgba(0, 212, 170, 0.2);
        }

        .vr-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 3rem;
            align-items: center;
        }

        .vr-info h2 {
            font-family: 'Cinzel', serif;
            font-size: 2rem;
            color: var(--lunar-silver);
            margin-bottom: 1rem;
            letter-spacing: 0.05em;
        }

        .vr-info p {
            color: var(--gray);
            margin-bottom: 1.5rem;
            line-height: 1.8;
        }

        .vr-controls {
            padding: 1.5rem;
            border-radius: 2px;
        }

        .vr-controls h4 {
            color: var(--datasphere-cyan);
            font-family: 'Cinzel', serif;
            font-size: 0.9rem;
            margin-bottom: 1rem;
            letter-spacing: 0.1em;
        }

        .vr-controls ul {
            list-style: none;
            color: var(--gray);
            font-size: 0.9rem;
        }

        .vr-controls li {
            margin-bottom: 0.5rem;
            padding-left: 1rem;
            position: relative;
        }

        .vr-controls li::before {
            content: '◈';
            position: absolute;
            left: 0;
            color: var(--memory-gold);
            font-size: 0.6rem;
        }

        .aframe-container {
            position: relative;
            height: 500px;
            border: 2px solid rgba(0, 212, 170, 0.3);
            border-radius: 2px;
            overflow: hidden;
            box-shadow: 0 0 60px rgba(0, 212, 170, 0.1);
        }

        .aframe-container::before {
            content: '◈ DATASPHERE SIMULATION';
            position: absolute;
            top: 10px;
            left: 10px;
            color: var(--datasphere-cyan);
            font-family: 'Cinzel', serif;
            font-size: 0.7rem;
            letter-spacing: 0.2em;
            z-index: 10;
            pointer-events: none;
            text-shadow: 0 0 10px rgba(0, 212, 170, 0.5);
        }

        .aframe-container::after {
            content: 'ACTIVE';
            position: absolute;
            top: 10px;
            right: 10px;
            color: var(--memory-gold);
            font-size: 0.7rem;
            letter-spacing: 0.1em;
            z-index: 10;
            pointer-events: none;
            animation: pulse 2s infinite;
        }

        a-scene {
            width: 100%;
            height: 100%;
        }

        /* Features Section */
        .features {
            padding: 6rem 5%;
            background: var(--void-deeper);
            position: relative;
            border-top: 1px solid rgba(0, 212, 170, 0.1);
        }

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

        .section-header {
            text-align: center;
            margin-bottom: 4rem;
        }

        .section-tag {
            display: inline-block;
            padding: 0.4rem 1rem;
            background: rgba(6, 182, 212, 0.1);
            color: var(--datasphere-cyan);
            border: 1px solid rgba(0, 212, 170, 0.3);
            border-radius: 2px;
            font-size: 0.75rem;
            font-weight: 700;
            margin-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.15em;
            font-family: 'Cinzel', serif;
        }

        h2 {
            font-family: 'Cinzel', serif;
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 400;
            margin-bottom: 1rem;
            color: var(--lunar-silver);
            letter-spacing: 0.05em;
        }

        .section-subtitle {
            color: var(--gray);
            font-size: 1.2rem;
            max-width: 600px;
            margin: 0 auto;
        }

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

        .feature-card {
            background: rgba(5, 5, 8, 0.5);
            border: 1px solid rgba(0, 212, 170, 0.1);
            border-radius: 2px;
            padding: 2.5rem;
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 100%;
            background: linear-gradient(to bottom, var(--datasphere-cyan), transparent);
            opacity: 0;
            transition: opacity 0.4s;
        }

        .feature-card:hover {
            border-color: rgba(0, 212, 170, 0.3);
            transform: translateY(-5px);
            background: rgba(5, 5, 8, 0.8);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            background: rgba(99, 102, 241, 0.1);
            border: 1px solid var(--memory-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            color: var(--memory-gold);
            position: relative;
            z-index: 1;
        }

        .feature-card h3 {
            font-family: 'Cinzel', serif;
            font-size: 1.3rem;
            margin-bottom: 0.75rem;
            color: var(--lunar-silver);
            font-weight: 600;
            letter-spacing: 0.05em;
        }

        .feature-card p {
            color: var(--gray);
            line-height: 1.7;
        }

        /* Demo Section */
        .demo {
            padding: 6rem 5%;
            position: relative;
            overflow: hidden;
            background: var(--void-dark);
        }

        .demo-visual {
            background: rgba(5, 5, 8, 0.5);
            border: 1px solid rgba(0, 212, 170, 0.2);
            border-radius: 2px;
            padding: 3rem;
            margin-top: 3rem;
            position: relative;
        }

        .demo-visual::before {
            content: '◈ NEMOSYNE INTERFACE';
            position: absolute;
            top: -12px;
            left: 20px;
            background: var(--void-dark);
            padding: 0 1rem;
            color: var(--datasphere-cyan);
            font-size: 0.7rem;
            letter-spacing: 0.2em;
            font-family: 'Cinzel', serif;
        }

        .code-block {
            background: rgba(2, 2, 4, 0.8);
            border-radius: 2px;
            padding: 1.5rem;
            font-family: 'Fira Code', 'Consolas', monospace;
            font-size: 0.9rem;
            overflow-x: auto;
            border: 1px solid rgba(0, 212, 170, 0.1);
        }

        .code-header {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid rgba(0, 212, 170, 0.1);
        }

        .code-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
        }

        .code-dot.red { background: var(--shrike-red); }
        .code-dot.yellow { background: var(--memory-gold); }
        .code-dot.green { background: var(--datasphere-cyan); }

        .code-content {
            color: var(--lunar-silver);
            line-height: 1.8;
        }

        .code-keyword { color: var(--temporal-purple); }
        .code-string { color: var(--datasphere-cyan); }
        .code-comment { color: var(--gray); font-style: italic; }

        /* Use Cases */
        .use-cases {
            padding: 6rem 5%;
            background: var(--void-deeper);
            border-top: 1px solid rgba(0, 212, 170, 0.1);
        }

        .use-case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-top: 3rem;
        }

        .use-case-item {
            background: rgba(5, 5, 8, 0.5);
            border-left: 3px solid var(--datasphere-cyan);
            padding: 1.5rem;
            border-radius: 0 2px 2px 0;
            transition: all 0.3s ease;
        }

        .use-case-item:hover {
            background: rgba(5, 5, 8, 0.8);
            transform: translateX(5px);
            border-left-color: var(--memory-gold);
        }

        .use-case-item h4 {
            color: var(--datasphere-cyan);
            margin-bottom: 0.5rem;
            font-size: 1.1rem;
            font-family: 'Cinzel', serif;
            letter-spacing: 0.05em;
        }

        .use-case-item p {
            color: var(--gray);
            font-size: 0.95rem;
        }

        /* Built With Section */
        .built-with {
            padding: 4rem 5%;
            background: var(--void-dark);
            border-top: 1px solid rgba(0, 212, 170, 0.1);
            text-align: center;
        }

        .built-with h3 {
            font-family: 'Cinzel', serif;
            color: var(--lunar-silver);
            font-size: 1.2rem;
            margin-bottom: 2rem;
            letter-spacing: 0.1em;
        }

        .tech-logos {
            display: flex;
            justify-content: center;
            gap: 4rem;
            flex-wrap: wrap;
            align-items: center;
        }

        .tech-logo {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
            opacity: 0.7;
            transition: opacity 0.3s;
        }

        .tech-logo:hover {
            opacity: 1;
        }

        .tech-logo-icon {
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            font-weight: 800;
            border-radius: 8px;
        }

        .tech-logo-icon.aframe {
            background: rgba(239, 45, 94, 0.1);
            color: var(--aframe-red);
            border: 1px solid var(--aframe-red);
        }

        .tech-logo-icon.d3 {
            background: rgba(249, 160, 60, 0.1);
            color: var(--d3-orange);
            border: 1px solid var(--d3-orange);
        }

        .tech-logo span {
            color: var(--gray);
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.1em;
        }

        /* Footer */
        footer {
            padding: 4rem 5%;
            background: var(--void-deeper);
            border-top: 1px solid rgba(0, 212, 170, 0.1);
            text-align: center;
        }

        .footer-moon {
            width: 60px;
            height: 60px;
            border: 2px solid var(--memory-gold);
            border-radius: 50%;
            margin: 0 auto 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Cinzel', serif;
            color: var(--memory-gold);
            font-size: 1.5rem;
            animation: lunarPhase 6s ease-in-out infinite;
        }

        .footer-tagline {
            font-family: 'Cinzel', serif;
            font-size: 1.5rem;
            color: var(--lunar-silver);
            margin-bottom: 0.5rem;
            letter-spacing: 0.1em;
        }

        .footer-domain {
            color: var(--datasphere-cyan);
            font-size: 1rem;
            margin-bottom: 2rem;
            letter-spacing: 0.2em;
        }

        .footer-text {
            color: var(--gray);
            max-width: 600px;
            margin: 0 auto 2rem;
            font-size: 0.9rem;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-links a {
            color: var(--lunar-silver);
            text-decoration: none;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            transition: color 0.3s;
        }

        .footer-links a:hover {
            color: var(--memory-gold);
        }

        .copyright {
            color: var(--gray);
            font-size: 0.875rem;
            opacity: 0.6;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .vr-container {
                grid-template-columns: 1fr;
            }
            
            .aframe-container {
                height: 400px;
            }
        }

        @media (max-width: 768px) {
            .nav-links { display: none; }
            
            .hero { padding: 6rem 5% 3rem; }
            
            .tech-stack { gap: 1rem; }
            
            .cta-group { flex-direction: column; align-items: center; }
            
            .btn { width: 100%; max-width: 300px; justify-content: center; }
            
            .tech-logos { gap: 2rem; }
            
            .aframe-container {
                height: 300px;
            }
        }