:root {
            --primary: #121212;
            --secondary: #1e1e1e;
            --accent: #bb86fc;
            --accent-secondary: #03dac6;
            --text: #e0e0e0;
            --text-secondary: #a0a0a0;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background-color: var(--primary);
            color: var(--text);
            overflow-x: hidden;
        }
        
        /* Animaciones de partículas flotantes */
        .floating-particles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            overflow: hidden;
        }
        
        .particle {
            position: absolute;
            border-radius: 50%;
            animation: float 15s infinite linear;
            opacity: 0.7;
        }
        
        @keyframes float {
            0% {
                transform: translateY(0) translateX(0);
                opacity: 0;
            }
            10% {
                opacity: 0.7;
            }
            90% {
                opacity: 0.7;
            }
            100% {
                transform: translateY(-100vh) translateX(100px);
                opacity: 0;
            }
        }
        
        /* Estilos de sección */
        section {
            padding: 100px 0;
        }
        
        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: var(--text);
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        
        .hero-content {
            z-index: 2;
            position: relative;
        }
        
        .hero h1 {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: white;
        }
        
        .hero h2 {
            color: var(--accent);
        }
        
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            color: var(--text-secondary);
        }
        
        .btn-custom {
            background-color: var(--accent);
            border: none;
            color: #121212;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .btn-custom:hover {
            background-color: #9a67ea;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
            color: #121212;
        }
        
        .btn-outline-custom {
            border: 2px solid var(--accent);
            color: var(--accent);
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .btn-outline-custom:hover {
            background-color: var(--accent);
            color: #121212;
            transform: translateY(-3px);
        }
        
        /* Cards de aplicaciones */
        .app-card {
            background: var(--secondary);
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            transition: all 0.3s ease;
            height: 100%;
            border: 1px solid #333;
        }
        
        .app-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
            border-color: var(--accent);
        }
        
        .app-icon {
            height: 80px;
            width: 80px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 20px auto;
            font-size: 2rem;
            color: white;
        }
        
        .app-icon.conversion {
            background: linear-gradient(135deg, #3498db, #2980b9);
        }
        
        .app-icon.notes {
            background: linear-gradient(135deg, #2ecc71, #27ae60);
        }
        
        .app-icon.ecommerce {
            background: linear-gradient(135deg, #e74c3c, #c0392b);
        }
        
        /* Sección de habilidades */
        .skill-item {
            background: var(--secondary);
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            margin-bottom: 20px;
            transition: all 0.3s ease;
            border: 1px solid #333;
        }
        
        .skill-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
            border-color: var(--accent);
        }
        
        /* Sección de cursos */
        .course-card {
            background: var(--secondary);
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            transition: all 0.3s ease;
            height: 100%;
            border: 1px solid #333;
        }
        
        .course-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
            border-color: var(--accent);
        }
        
        .course-icon {
            height: 60px;
            width: 60px;
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 20px auto;
            font-size: 1.5rem;
            color: white;
            background: var(--accent);
        }
        
        /* Botón de WhatsApp */
        .whatsapp-btn {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #25D366;
            color: white;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
            z-index: 1000;
            transition: all 0.3s ease;
            animation: pulse 2s infinite;
        }
        
        .whatsapp-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
            color: white;
        }
        
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
            }
            70% {
                box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
            }
        }
        
        /* Footer */
        footer {
            background-color: var(--secondary);
            color: var(--text);
            padding: 50px 0 20px;
            border-top: 1px solid #333;
        }
        
        .social-links a {
            display: inline-block;
            height: 40px;
            width: 40px;
            background-color: rgba(255, 255, 255, 0.1);
            margin: 0 10px 10px 0;
            text-align: center;
            line-height: 40px;
            border-radius: 50%;
            color: var(--text);
            transition: all 0.3s ease;
        }
        
        .social-links a:hover {
            background-color: var(--accent);
            transform: translateY(-3px);
            color: #121212;
        }
        
        /* Animaciones de scroll */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }
        
        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* Estilos para textos */
        h2, h3, h4, h5 {
            color: white;
        }
        
        .text-muted {
            color: var(--text-secondary) !important;
        }
        
        .card-body {
            color: var(--text);
        }
        
        /* Efectos de brillo en títulos */
        .glow-text {
            text-shadow: 0 0 10px rgba(187, 134, 252, 0.5);
        }