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

        :root {
            --bg-primary: #0a0e27;
            --bg-secondary: #141b3d;
            --bg-card: #1a2142;
            --accent: #00d4ff;
            --accent-secondary: #ff6b35;
            --text-primary: #ffffff;
            --text-secondary: #a0aec0;
            --border: #2d3748;
            --success: #48bb78;
            --warning: #f6ad55;
            --danger: #fc8181;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
            color: var(--text-primary);
            min-height: 100vh;
            line-height: 1.6;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 20px;
        }

        header {
            background: rgba(26, 33, 66, 0.8);
            backdrop-filter: blur(10px);
            padding: 20px 0;
            border-bottom: 2px solid var(--accent);
            margin-bottom: 30px;
            position: sticky;
            top: 0;
            z-index: 100;
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .logo {
            font-size: 28px;
            font-weight: bold;
            background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: flex;
            align-items: center;
            gap: 10px;
            cursor: pointer;
        }

        .logo::before {
            content: "☀";
            font-size: 32px;
            -webkit-text-fill-color: var(--accent);
        }

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

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.3s;
            font-weight: 500;
            cursor: pointer;
        }

        .nav-links a:hover, .nav-links a.active {
            color: var(--accent);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 5px;
        }

        .hamburger span {
            width: 30px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
            transition: all 0.3s;
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(8px, 8px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(8px, -8px);
        }

        .page {
            display: none;
        }

        .page.active {
            display: block;
        }

        .hero {
            text-align: center;
            padding: 40px 20px;
            margin-bottom: 40px;
        }

        .hero h1 {
            font-size: 48px;
            margin-bottom: 15px;
            background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero p {
            font-size: 20px;
            color: var(--text-secondary);
            max-width: 800px;
            margin: 0 auto;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }

        .stat-card {
            background: var(--bg-card);
            padding: 25px;
            border-radius: 15px;
            border: 1px solid var(--border);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
        }

        .stat-label {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .stat-value {
            font-size: 32px;
            font-weight: bold;
            color: var(--accent);
            display: flex;
            align-items: baseline;
            gap: 5px;
        }

        .stat-unit {
            font-size: 16px;
            color: var(--text-secondary);
        }

        .main-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 20px;
            margin-bottom: 40px;
        }

        .card {
            background: var(--bg-card);
            padding: 30px;
            border-radius: 15px;
            border: 1px solid var(--border);
        }

        .card-title {
            font-size: 24px;
            margin-bottom: 20px;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .sensor-grid {
            display: grid;
            gap: 15px;
        }

        .sensor-item {
            background: var(--bg-secondary);
            padding: 15px;
            border-radius: 10px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-left: 3px solid var(--accent);
        }

        .sensor-name {
            color: var(--text-secondary);
            font-size: 14px;
        }

        .sensor-value {
            font-size: 20px;
            font-weight: bold;
            color: var(--text-primary);
        }

        .energy-flow {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .flow-stage {
            background: var(--bg-secondary);
            padding: 20px;
            border-radius: 10px;
            position: relative;
        }

        .flow-stage::after {
            content: "↓";
            position: absolute;
            bottom: -25px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 24px;
            color: var(--accent);
        }

        .flow-stage:last-child::after {
            display: none;
        }

        .flow-title {
            font-weight: bold;
            margin-bottom: 10px;
            color: var(--accent);
        }

        .flow-efficiency {
            color: var(--success);
            font-size: 14px;
        }

        .weather-widget {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 25px;
            border-radius: 15px;
            text-align: center;
        }

        .weather-icon {
            font-size: 64px;
            margin-bottom: 15px;
        }

        .weather-temp {
            font-size: 48px;
            font-weight: bold;
        }

        .weather-details {
            display: flex;
            justify-content: space-around;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.3);
        }

        .weather-detail {
            text-align: center;
        }

        .weather-detail-label {
            font-size: 12px;
            opacity: 0.8;
        }

        .weather-detail-value {
            font-size: 18px;
            font-weight: bold;
        }

        .social-links {
            display: flex;
            gap: 15px;
            justify-content: center;
            padding: 20px;
        }

        .social-link {
            width: 50px;
            height: 50px;
            background: var(--bg-card);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            text-decoration: none;
            font-size: 24px;
            transition: transform 0.3s, background 0.3s;
            border: 2px solid var(--border);
        }

        .social-link:hover {
            transform: scale(1.1);
            background: var(--accent);
            color: var(--bg-primary);
        }

        .project-description {
            background: var(--bg-card);
            padding: 40px;
            border-radius: 15px;
            margin-bottom: 40px;
            border: 1px solid var(--border);
        }

        .project-description h2 {
            color: var(--accent);
            margin-bottom: 20px;
            font-size: 32px;
        }

        .project-description p {
            color: var(--text-secondary);
            margin-bottom: 15px;
            font-size: 16px;
        }

        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }

        .feature-box {
            background: var(--bg-secondary);
            padding: 25px;
            border-radius: 10px;
            border-left: 4px solid var(--accent);
        }

        .feature-box h3 {
            color: var(--accent);
            margin-bottom: 10px;
        }

        .status-indicator {
            display: inline-block;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--success);
            margin-right: 8px;
            animation: pulse 2s infinite;
        }

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

        .coming-soon {
            text-align: center;
            padding: 100px 20px;
        }

        .coming-soon h1 {
            font-size: 64px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .coming-soon p {
            font-size: 24px;
            color: var(--text-secondary);
        }

        .digital-twin-card {
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            padding: 25px;
            border-radius: 15px;
            text-align: center;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .digital-twin-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(240, 147, 251, 0.3);
        }

        .digital-twin-card h3 {
            font-size: 24px;
            margin-bottom: 10px;
        }

        .finance-grid {
            display: grid;
            gap: 30px;
        }

        .financial-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 20px;
        }

        .financial-table th,
        .financial-table td {
            padding: 12px;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }

        .financial-table th {
            background: var(--bg-secondary);
            color: var(--accent);
            font-weight: bold;
        }

        .financial-table tr:hover {
            background: var(--bg-secondary);
        }

        .pitch-section {
            background: var(--bg-secondary);
            padding: 25px;
            border-radius: 10px;
            margin-top: 20px;
        }

        .pitch-section h3 {
            color: var(--accent);
            margin-bottom: 15px;
        }

        .token-chart {
            background: var(--bg-secondary);
            padding: 20px;
            border-radius: 10px;
            margin-bottom: 20px;
            height: 300px;
            display: flex;
            align-items: flex-end;
            gap: 5px;
        }

        .token-bar {
            flex: 1;
            background: linear-gradient(to top, var(--accent-secondary), var(--accent));
            border-radius: 5px 5px 0 0;
            position: relative;
            transition: all 0.3s;
        }

        .token-bar:hover {
            opacity: 0.8;
        }

        .algo-model {
            background: var(--bg-secondary);
            padding: 25px;
            border-radius: 10px;
            font-family: 'Courier New', monospace;
        }

        .algo-model pre {
            background: var(--bg-primary);
            padding: 15px;
            border-radius: 8px;
            overflow-x: auto;
            color: var(--success);
            font-size: 14px;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            margin-top: 20px;
        }

        .metric-box {
            background: var(--bg-primary);
            padding: 20px;
            border-radius: 10px;
            text-align: center;
            border: 1px solid var(--border);
        }

        .metric-value {
            font-size: 28px;
            font-weight: bold;
            color: var(--accent);
            margin-bottom: 5px;
        }

        .metric-label {
            font-size: 14px;
            color: var(--text-secondary);
        }

        footer {
            text-align: center;
            padding: 30px;
            margin-top: 50px;
            border-top: 1px solid var(--border);
            color: var(--text-secondary);
        }

        @media (max-width: 768px) {
            .main-grid {
                grid-template-columns: 1fr;
            }

            .hero h1 {
                font-size: 32px;
            }

            .hamburger {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 70px;
                right: -100%;
                flex-direction: column;
                background: var(--bg-card);
                padding: 30px;
                border-radius: 15px;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
                transition: right 0.3s;
                gap: 20px;
                z-index: 99;
            }

            .nav-links.active {
                right: 20px;
            }

            .nav-links a {
                font-size: 18px;
                padding: 10px 20px;
                border-radius: 8px;
                transition: background 0.3s, color 0.3s;
            }

            .nav-links a:hover, .nav-links a.active {
                background: var(--bg-secondary);
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stat-value {
                font-size: 24px;
            }

            .logo {
                font-size: 24px;
            }
        }