  @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary-color: #00d4ff;
            --secondary-color: #ff006e;
            --accent-color: #00ff88;
            --warning-color: #ffd60a;
            --danger-color: #ff3333;
            --dark-bg: #0a0a0a;
            --dark-secondary: #1a1a1a;
            --dark-tertiary: #2a2a2a;
            --text-primary: #ffffff;
            --text-secondary: #b0b0b0;
            --glass-bg: rgba(255, 255, 255, 0.05);
            --glass-border: rgba(255, 255, 255, 0.1);
            --gradient-1: linear-gradient(135deg, #00d4ff, #ff006e);
            --gradient-2: linear-gradient(135deg, #00ff88, #00d4ff);
            --gradient-3: linear-gradient(135deg, #ffd60a, #ff3333);
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.6;
            color: var(--text-primary);
            background: var(--dark-bg);
            overflow-x: hidden;
        }



        /* Video de fondo */
        .video-background {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            overflow: hidden;
        }

        .video-background::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, rgba(10, 10, 10, 0.9), rgba(10, 10, 10, 0.7));
            z-index: 1;
        }

        .bg-video {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: blur(2px) brightness(0.4);
        }

        /* Fallback para móviles */
        @media (max-width: 768px) {
            .video-background {
                background: linear-gradient(135deg, var(--dark-bg), var(--dark-secondary));
            }
            .bg-video {
                display: none;
            }
        }

        /* Header futurista */
        .main-header {
            position: relative;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            overflow: hidden;
        }

        .header-content {
            position: relative;
            z-index: 10;
            max-width: 900px;
            padding: 2rem;
        }

        .glitch-title {
            font-size: clamp(3rem, 8vw, 6rem);
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: -0.05em;
            margin-bottom: 1rem;
            background: var(--gradient-1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            position: relative;
            animation: glitch 2s infinite;
        }

        @keyframes glitch {
            0%, 100% { transform: translate(0); }
            10% { transform: translate(-2px, -2px); }
            20% { transform: translate(2px, -2px); }
            30% { transform: translate(-2px, 2px); }
            40% { transform: translate(2px, 2px); }
            50% { transform: translate(-2px, -2px); }
        }

        .subtitle {
            font-size: 1.3rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            font-weight: 300;
        }

        .cta-button {
            display: inline-block;
            padding: 1rem 2.5rem;
            background: var(--gradient-2);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .cta-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: left 0.5s;
        }

        .cta-button:hover::before {
            left: 100%;
        }

        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(0, 255, 136, 0.3);
        }

        /* Navegación con efecto glassmorphism */
        .nav-container {
            position: sticky;
            top: 2rem;
            z-index: 1000;
            backdrop-filter: blur(20px);
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            margin: 2rem auto;
            max-width: 1200px;
            padding: 1.5rem;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
        }

        .nav-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 1rem;
        }

        .nav-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            color: var(--text-primary);
            padding: 1rem;
            text-decoration: none;
            border-radius: 15px;
            text-align: center;
            transition: all 0.3s ease;
            font-weight: 500;
            backdrop-filter: blur(10px);
            position: relative;
            overflow: hidden;
        }

        .nav-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--gradient-1);
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: -1;
        }

        .nav-item:hover::before {
            opacity: 0.1;
        }

        .nav-item:hover {
            transform: translateY(-5px);
            border-color: var(--primary-color);
            box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
        }

        .nav-item.active {
            background: var(--gradient-1);
            border-color: var(--primary-color);
        }

        /* Secciones de contenido con efectos */
        .content-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
        }

        .content-section {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            padding: 3rem;
            margin: 2rem 0;
            backdrop-filter: blur(20px);
            display: none;
            animation: slideIn 0.6s ease-out;
        }

        .content-section.active {
            display: block;
        }

        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        h2 {
            font-size: 2.5rem;
            font-weight: 700;
            background: var(--gradient-1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 2rem;
        }

        h3 {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin: 2rem 0 1rem 0;
            font-weight: 600;
        }

        .code-block {
            background: rgba(0, 0, 0, 0.5);
            border: 1px solid var(--primary-color);
            border-radius: 10px;
            padding: 1.5rem;
            margin: 1.5rem 0;
            font-family: 'JetBrains Mono', monospace;
            font-size: 14px;
            color: var(--accent-color);
            overflow-x: auto;
            position: relative;
            transition: all 0.3s ease;
        }

        .code-block:hover {
            border-color: var(--accent-color);
            box-shadow: 0 5px 20px rgba(0, 255, 136, 0.2);
        }

        .code-block::before {
            content: '$ ';
            color: var(--primary-color);
            font-weight: bold;
        }

        .highlight-box {
            background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(255, 0, 110, 0.1));
            border-left: 4px solid var(--primary-color);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 15px 15px 0;
            backdrop-filter: blur(10px);
        }

        .tip-box {
            background: linear-gradient(135deg, rgba(0, 255, 136, 0.1), rgba(0, 212, 255, 0.1));
            border-left: 4px solid var(--accent-color);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 15px 15px 0;
            backdrop-filter: blur(10px);
        }

        .warning-box {
            background: linear-gradient(135deg, rgba(255, 214, 10, 0.1), rgba(255, 51, 51, 0.1));
            border-left: 4px solid var(--warning-color);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 15px 15px 0;
            backdrop-filter: blur(10px);
        }

        /* Botones interactivos mejorados */
        .demo-container {
            background: rgba(0, 0, 0, 0.3);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 2rem;
            margin: 2rem 0;
            text-align: center;
        }

        .demo-button {
            background: var(--gradient-1);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            margin: 0.5rem;
            position: relative;
            overflow: hidden;
        }

        .demo-button::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            transition: width 0.6s, height 0.6s;
        }

        .demo-button:hover::after {
            width: 300px;
            height: 300px;
        }

        .demo-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
        }

        .demo-output {
            background: rgba(0, 0, 0, 0.5);
            border: 1px solid var(--accent-color);
            border-radius: 15px;
            padding: 1.5rem;
            margin-top: 1.5rem;
            font-family: 'JetBrains Mono', monospace;
            text-align: left;
            display: none;
            animation: fadeIn 0.5s ease-in;
        }

        /* Barra de progreso futurista */
        .progress-container {
            margin: 2rem 0;
        }

        .progress-bar {
            background: rgba(255, 255, 255, 0.1);
            height: 10px;
            border-radius: 5px;
            overflow: hidden;
            position: relative;
        }

        .progress-fill {
            height: 100%;
            background: var(--gradient-2);
            border-radius: 5px;
            transition: width 0.8s ease;
            position: relative;
            overflow: hidden;
        }

        .progress-fill::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
            animation: shimmer 2s infinite;
        }

        @keyframes shimmer {
            0% { transform: translateX(-100%); }
            100% { transform: translateX(100%); }
        }

        /* Partículas animadas */
        .particles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: -1;
        }

        .particle {
            position: absolute;
            width: 4px;
            height: 4px;
            background: var(--primary-color);
            border-radius: 50%;
            opacity: 0.5;
            animation: float 20s infinite linear;
        }

        @keyframes float {
            from {
                transform: translateY(100vh) translateX(0);
            }
            to {
                transform: translateY(-10vh) translateX(100px);
            }
        }

        /* Scrollbar personalizada */
        ::-webkit-scrollbar {
            width: 10px;
        }

        ::-webkit-scrollbar-track {
            background: var(--dark-secondary);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--gradient-1);
            border-radius: 5px;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .glitch-title {
                font-size: 3rem;
            }
            
            .nav-grid {
                grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
            }
            
            .content-section {
                padding: 2rem;
            }
            
            .video-background {
                background: linear-gradient(135deg, var(--dark-bg), var(--dark-secondary));
            }
            
            .footer-content {
                flex-direction: column;
                gap: 1rem;
                text-align: center;
            }
            
            .footer-links {
                flex-direction: column;
                gap: 0.5rem;
            }
        }