/* ==================== RESET Y VARIABLES ==================== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            /* Paleta de colores oscuros */
            --bg-primary: #1a1a1a;
            --bg-secondary: #2d2d2d;
            --bg-tertiary: #333333;
            --text-primary: #ffffff;
            --text-secondary: #b0b0b0;
            --accent-primary: #00d4ff;
            --accent-secondary: #00ff88;
            --accent-tertiary: #ff6b6b;
            --shadow: rgba(0, 0, 0, 0.5);
            
            /* Espaciado */
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --spacing-xl: 6rem;
            
            /* Tipografía */
            --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            --font-mono: 'Courier New', Courier, monospace;
            
            /* Transiciones */
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ==================== ESTILOS GLOBALES ==================== */
        html {
            scroll-behavior: smooth;
            overflow-x: hidden;
        }

        body {
            font-family: var(--font-primary);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* ==================== NAVEGACIÓN ==================== */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background-color: rgba(26, 26, 26, 0.95);
            backdrop-filter: blur(10px);
            padding: var(--spacing-sm) var(--spacing-md);
            z-index: 1000;
            transition: transform var(--transition-smooth), box-shadow var(--transition-fast);
            box-shadow: 0 2px 20px var(--shadow);
        }

        .navbar.hidden {
            transform: translateY(-100%);
        }

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

        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
            letter-spacing: -0.5px;
        }

        .logo:hover {
            color: var(--accent-secondary);
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: var(--spacing-md);
            align-items: center;
        }

        .nav-link {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            transition: color var(--transition-fast);
            position: relative;
            padding: 0.5rem 0;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
            transition: width var(--transition-smooth);
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--text-primary);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        /* Botón hamburguesa */
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
            background: none;
            border: none;
            padding: 0.5rem;
        }

        .hamburger span {
            width: 25px;
            height: 2px;
            background-color: var(--text-primary);
            transition: all var(--transition-smooth);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(7px, 7px);
        }

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

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -7px);
        }

        /* ==================== HERO SECTION ==================== */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            padding: var(--spacing-xl) var(--spacing-md);
            background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
        }

        .hero-background {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0.1;
            background-image: 
                repeating-linear-gradient(0deg, transparent, transparent 2px, var(--accent-primary) 2px, var(--accent-primary) 4px),
                repeating-linear-gradient(90deg, transparent, transparent 2px, var(--accent-primary) 2px, var(--accent-primary) 4px);
            background-size: 50px 50px;
            animation: gridMove 20s linear infinite;
        }

        @keyframes gridMove {
            0% { transform: translate(0, 0); }
            100% { transform: translate(50px, 50px); }
        }

        .hero-content {
            max-width: 1200px;
            text-align: center;
            z-index: 1;
            animation: fadeInUp 1s ease-out;
        }

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

        .hero h1 {
            font-size: clamp(2.5rem, 6vw, 5rem);
            font-weight: 800;
            margin-bottom: var(--spacing-md);
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
            letter-spacing: -2px;
        }

        .hero-subtitle {
            font-size: clamp(1.2rem, 3vw, 2rem);
            color: var(--text-secondary);
            margin-bottom: var(--spacing-lg);
            font-weight: 300;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            padding: 1rem 2.5rem;
            font-size: 1.1rem;
            font-weight: 600;
            text-decoration: none;
            border-radius: 50px;
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: var(--bg-primary);
            box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 30px rgba(0, 212, 255, 0.5);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 2px solid var(--accent-primary);
        }

        .btn-secondary:hover {
            background: var(--accent-primary);
            color: var(--bg-primary);
            transform: translateY(-3px);
        }

        /* ==================== SECCIONES GENERALES ==================== */
        .section {
            padding: var(--spacing-xl) var(--spacing-md);
            max-width: 1400px;
            margin: 0 auto;
            opacity: 0;
            transform: translateY(30px);
            transition: opacity var(--transition-smooth), transform var(--transition-smooth);
        }

        .section.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-lg);
        }

        .section-title {
            font-size: clamp(2rem, 4vw, 3.5rem);
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            color: var(--text-primary);
            letter-spacing: -1px;
        }

        .section-subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto;
        }

        /* ==================== FEATURES SECTION ==================== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-lg);
        }

        .feature-card {
            background: var(--bg-secondary);
            padding: var(--spacing-md);
            border-radius: 20px;
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
            transform: scaleX(0);
            transition: transform var(--transition-smooth);
        }

        .feature-card:hover {
            transform: translateY(-10px);
            border-color: var(--accent-primary);
            box-shadow: 0 10px 40px var(--shadow);
        }

        .feature-card:hover::before {
            transform: scaleX(1);
        }

        .feature-icon {
            font-size: 3rem;
            margin-bottom: var(--spacing-sm);
            display: inline-block;
        }

        .feature-title {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: var(--spacing-xs);
            color: var(--text-primary);
        }

        .feature-description {
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ==================== BÚSQUEDA Y FILTROS ==================== */
        .search-container {
            max-width: 600px;
            margin: 0 auto var(--spacing-lg);
            position: relative;
        }

        .search-input {
            width: 100%;
            padding: 1rem 1.5rem 1rem 3.5rem;
            font-size: 1.1rem;
            background: var(--bg-secondary);
            border: 2px solid var(--bg-tertiary);
            border-radius: 50px;
            color: var(--text-primary);
            transition: all var(--transition-fast);
            outline: none;
        }

        .search-input:focus {
            border-color: var(--accent-primary);
            box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
        }

        .search-icon {
            position: absolute;
            left: 1.5rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-secondary);
            font-size: 1.2rem;
        }

        .filter-tags {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: var(--spacing-md);
        }

        .filter-tag {
            padding: 0.5rem 1.5rem;
            background: var(--bg-secondary);
            border: 2px solid var(--bg-tertiary);
            border-radius: 50px;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            font-weight: 500;
        }

        .filter-tag:hover,
        .filter-tag.active {
            background: var(--accent-primary);
            color: var(--bg-primary);
            border-color: var(--accent-primary);
        }

        /* ==================== DOCUMENTATION CARDS ==================== */
        .docs-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: var(--spacing-md);
        }

        .doc-card {
            background: var(--bg-secondary);
            padding: var(--spacing-md);
            border-radius: 15px;
            transition: all var(--transition-smooth);
            border: 1px solid var(--bg-tertiary);
            opacity: 1;
            transform: scale(1);
        }

        .doc-card.hidden {
            display: none;
        }

        .doc-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-primary);
            box-shadow: 0 8px 30px var(--shadow);
        }

        .doc-category {
            display: inline-block;
            padding: 0.3rem 1rem;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: var(--bg-primary);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: var(--spacing-sm);
        }

        .doc-title {
            font-size: 1.4rem;
            font-weight: 600;
            margin-bottom: var(--spacing-xs);
            color: var(--text-primary);
        }

        .doc-description {
            color: var(--text-secondary);
            margin-bottom: var(--spacing-sm);
        }

        .doc-link {
            color: var(--accent-primary);
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: gap var(--transition-fast);
        }

        .doc-link:hover {
            gap: 1rem;
        }

        /* ==================== FORMULARIO DE CONTACTO ==================== */
        .contact-form {
            max-width: 700px;
            margin: 0 auto;
            background: var(--bg-secondary);
            padding: var(--spacing-lg);
            border-radius: 20px;
            box-shadow: 0 10px 40px var(--shadow);
        }

        .form-group {
            margin-bottom: var(--spacing-md);
        }

        .form-label {
            display: block;
            margin-bottom: var(--spacing-xs);
            color: var(--text-primary);
            font-weight: 600;
        }

        .form-input,
        .form-textarea {
            width: 100%;
            padding: 1rem;
            background: var(--bg-tertiary);
            border: 2px solid transparent;
            border-radius: 10px;
            color: var(--text-primary);
            font-size: 1rem;
            font-family: var(--font-primary);
            transition: all var(--transition-fast);
            outline: none;
        }

        .form-input:focus,
        .form-textarea:focus {
            border-color: var(--accent-primary);
            box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
        }

        .form-input.error,
        .form-textarea.error {
            border-color: var(--accent-tertiary);
        }

        .form-textarea {
            resize: vertical;
            min-height: 150px;
        }

        .error-message {
            color: var(--accent-tertiary);
            font-size: 0.9rem;
            margin-top: var(--spacing-xs);
            display: none;
        }

        .error-message.show {
            display: block;
        }

        .form-submit {
            width: 100%;
            padding: 1rem;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: var(--bg-primary);
            border: none;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition-smooth);
        }

        .form-submit:hover:not(:disabled) {
            transform: translateY(-3px);
            box-shadow: 0 6px 30px rgba(0, 212, 255, 0.5);
        }

        .form-submit:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        .form-message {
            margin-top: var(--spacing-sm);
            padding: 1rem;
            border-radius: 10px;
            text-align: center;
            font-weight: 600;
            display: none;
        }

        .form-message.success {
            background: rgba(0, 255, 136, 0.1);
            color: var(--accent-secondary);
            border: 1px solid var(--accent-secondary);
            display: block;
        }

        .form-message.error {
            background: rgba(255, 107, 107, 0.1);
            color: var(--accent-tertiary);
            border: 1px solid var(--accent-tertiary);
            display: block;
        }

        /* ==================== FOOTER ==================== */
        .footer {
            background: var(--bg-secondary);
            padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
            margin-top: var(--spacing-xl);
            border-top: 1px solid var(--bg-tertiary);
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-section h3 {
            margin-bottom: var(--spacing-sm);
            color: var(--text-primary);
            font-size: 1.3rem;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: var(--spacing-xs);
        }

        .footer-links a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: var(--spacing-md);
            border-top: 1px solid var(--bg-tertiary);
            color: var(--text-secondary);
        }

        .developer-credit {
            margin-top: var(--spacing-sm);
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .developer-credit a {
            color: var(--accent-primary);
            text-decoration: none;
            font-weight: 600;
        }

        /* ==================== SCROLL PROGRESS BAR ==================== */
        .scroll-progress {
            position: fixed;
            top: 0;
            left: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
            z-index: 1001;
            transition: width var(--transition-fast);
        }

        /* ==================== SCROLL TO TOP BUTTON ==================== */
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: var(--bg-primary);
            border: none;
            border-radius: 50%;
            font-size: 1.5rem;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all var(--transition-smooth);
            z-index: 999;
            box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
        }

        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .scroll-top:hover {
            transform: translateY(-5px);
            box-shadow: 0 6px 30px rgba(0, 212, 255, 0.5);
        }

        /* ==================== RESPONSIVE ==================== */
        @media (max-width: 768px) {
            :root {
                --spacing-lg: 3rem;
                --spacing-xl: 4rem;
            }

            .hamburger {
                display: flex;
            }

            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                flex-direction: column;
                background-color: rgba(26, 26, 26, 0.98);
                width: 100%;
                padding: var(--spacing-md);
                transition: left var(--transition-smooth);
                box-shadow: 0 10px 40px var(--shadow);
            }

            .nav-menu.active {
                left: 0;
            }

            .hero {
                padding: var(--spacing-lg) var(--spacing-sm);
            }

            .section {
                padding: var(--spacing-lg) var(--spacing-sm);
            }

            .cta-buttons {
                flex-direction: column;
                width: 100%;
            }

            .btn {
                width: 100%;
                justify-content: center;
            }

            .features-grid,
            .docs-grid {
                grid-template-columns: 1fr;
            }

            .contact-form {
                padding: var(--spacing-md);
            }

            .footer-content {
                grid-template-columns: 1fr;
                text-align: center;
            }
        }

        /* ==================== LOADING ANIMATION ==================== */
        .loading {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 3px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: var(--text-primary);
            animation: spin 0.8s linear infinite;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        /* ==================== CODE BLOCKS ==================== */
        .code-block {
            background: var(--bg-tertiary);
            padding: var(--spacing-md);
            border-radius: 10px;
            margin: var(--spacing-md) 0;
            overflow-x: auto;
            border-left: 4px solid var(--accent-primary);
        }

        .code-block code {
            font-family: var(--font-mono);
            color: var(--accent-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* ==================== STATS SECTION ==================== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: var(--spacing-md);
            margin: var(--spacing-lg) 0;
        }

        .stat-card {
            text-align: center;
            padding: var(--spacing-md);
            background: var(--bg-secondary);
            border-radius: 15px;
            border: 1px solid var(--bg-tertiary);
            transition: all var(--transition-smooth);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-primary);
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: block;
            margin-bottom: var(--spacing-xs);
        }

        .stat-label {
            color: var(--text-secondary);
            font-weight: 600;
        }