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

        html {
            overflow-x: hidden;
            width: 100%;
            scroll-behavior: smooth;
        }

        :root {
            --primary: #00d4ff;
            --secondary: #7b2ff7;
            --accent: #ff006e;
            --dark: #0a0e27;
            --darker: #050815;
            --light: #ffffff;
            --gray: #8892b0;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: var(--darker);
            color: var(--light);
            line-height: 1.6;
            overflow-x: hidden;
            width: 100%;
            max-width: 100vw;
        }

        /* Navigation */
        nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(5, 8, 21, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid rgba(0, 212, 255, 0.2);
        }

        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 1rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .nav-logo {
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            text-decoration: none;
        }

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

        .nav-links a {
            color: var(--light);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .nav-links a:hover {
            color: var(--primary);
        }

        /* Hero Section */
        .hero {
            position: relative;
            min-height: 60vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(123, 47, 247, 0.1));
            margin-top: 70px;
            padding: 4rem 2rem;
        }

        .hero-content {
            text-align: center;
            max-width: 1000px;
        }

        h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 900;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: clamp(1.1rem, 2vw, 1.5rem);
            color: var(--gray);
            margin-bottom: 2rem;
        }

        /* Framework Grid */
        section {
            padding: 6rem 2rem;
            max-width: 1400px;
            margin: 0 auto;
        }

        .framework-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(min(100%, 500px), 1fr));
            gap: 3rem;
            margin-top: 3rem;
        }

        .framework-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(0, 212, 255, 0.2);
            border-radius: 16px;
            padding: 3rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .framework-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: -1;
        }

        .framework-card:hover {
            transform: translateY(-10px);
            border-color: var(--primary);
            box-shadow: 0 20px 40px rgba(0, 212, 255, 0.3);
        }

        .framework-card:hover::before {
            opacity: 0.1;
        }

        .framework-tag {
            display: inline-block;
            background: var(--secondary);
            color: var(--light);
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .framework-card h2 {
            font-size: 2rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }

        .framework-description {
            color: var(--gray);
            margin-bottom: 2rem;
            line-height: 1.8;
        }

        .framework-highlights {
            margin: 2rem 0;
            padding: 1.5rem;
            background: rgba(0, 212, 255, 0.05);
            border-left: 3px solid var(--primary);
            border-radius: 8px;
        }

        .framework-highlights h3 {
            font-size: 1.1rem;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }

        .framework-highlights ul {
            list-style: none;
            padding: 0;
        }

        .framework-highlights li {
            padding: 0.3rem 0;
            color: var(--gray);
            position: relative;
            padding-left: 1.5rem;
        }

        .framework-highlights li::before {
            content: "▹";
            position: absolute;
            left: 0;
            color: var(--primary);
        }

        .cta-button {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--light);
            padding: 1rem 2.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 1px;
            font-size: 0.9rem;
        }

        .cta-button:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
        }

        .btn-secondary {
            background: transparent;
            border: 2px solid var(--primary);
            margin-left: 1rem;
        }

        .btn-secondary:hover {
            background: var(--primary);
            color: var(--dark);
        }

        /* Math Framework Display */
        .math-preview {
            background: rgba(255, 255, 255, 0.02);
            border-left: 4px solid var(--secondary);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 8px;
            font-size: 0.95rem;
            color: var(--gray);
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            nav {
                padding: 0.5rem 1rem;
            }

            .nav-links {
                gap: 1rem;
                font-size: 0.9rem;
            }

            h1 {
                font-size: 2rem;
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .framework-card {
                padding: 2rem;
            }

            .framework-card h2 {
                font-size: 1.5rem;
            }

            section {
                padding: 3rem 1rem;
            }

            .btn-secondary {
                margin-left: 0;
                margin-top: 1rem;
                display: block;
            }
        }

        @media (max-width: 480px) {
            .nav-logo {
                font-size: 1.2rem;
            }

            .nav-links {
                gap: 0.5rem;
                font-size: 0.8rem;
            }

            .framework-card {
                padding: 1.5rem;
            }

            .cta-button {
                padding: 0.8rem 1.5rem;
                font-size: 0.8rem;
            }
        }