:root {
            --primary-color: #ef4c41;
            --secondary-color: #1a3d6d;
            --dark-color: #121212;
            --light-color: #f8f9fa;
            --accent-color: #2ecc71;
        }
        
        body {
            font-family: 'Montserrat', sans-serif;
            background-color: var(--light-color);
            color: var(--dark-color);
            overflow-x: hidden;
        }
        
        h1, h2, h3, h4, h5, h6 {
            font-family: 'Poppins', sans-serif;
            font-weight: 600;
        }
        
        .navbar {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .navbar-brand {
            font-family: 'Poppins', sans-serif;
            font-weight: 700;
            color: var(--primary-color) !important;
            font-size: 1.8rem;
        }
        
        .nav-link {
            color: var(--dark-color) !important;
            margin: 0 10px;
            position: relative;
            font-weight: 500;
        }
        
        .nav-link:hover {
            color: var(--primary-color) !important;
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: var(--primary-color);
            transition: width 0.3s ease;
        }
        
        .nav-link:hover::after {
            width: 100%;
        }
        
        .hero-section {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, var(--secondary-color), var(--dark-color));
            color: var(--light-color);
        }
        
        .hero-content {
            z-index: 2;
        }
        
        .hero-title {
            font-size: 3.5rem;
            margin-bottom: 20px;
            color: var(--light-color);
        }
        
        .hero-subtitle {
            font-size: 1.2rem;
            margin-bottom: 30px;
            max-width: 600px;
            opacity: 0.9;
        }
        
        .btn-primary-custom {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .btn-primary-custom:hover {
            background-color: #d43a30;
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(239, 76, 65, 0.3);
        }
        
        .btn-outline-custom {
            background-color: transparent;
            color: var(--light-color);
            border: 2px solid var(--light-color);
            padding: 10px 25px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .btn-outline-custom:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--light-color);
            transform: translateY(-3px);
        }
        
        .section-title {
            font-size: 2.5rem;
            margin-bottom: 50px;
            text-align: center;
            color: var(--secondary-color);
            position: relative;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--primary-color);
        }
        
        .feature-card {
            background: white;
            border-radius: 10px;
            padding: 30px;
            margin-bottom: 30px;
            transition: all 0.3s ease;
            height: 100%;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        
        .video-container {
            position: relative;
            padding-bottom: 56.25%; /* 16:9 */
            height: 0;
            overflow: hidden;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }
        
        .video-container iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }
        
        .benefits-slider {
            padding: 50px 0;
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
        }
        
        .swiper-slide {
            background: white;
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            height: auto;
        }
        
        .swiper-pagination-bullet-active {
            background: var(--primary-color) !important;
        }
        
        .contact-form {
            background: white;
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .form-control {
            border: 1px solid #ddd;
            padding: 12px 15px;
            margin-bottom: 20px;
            border-radius: 5px;
        }
        
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.25rem rgba(239, 76, 65, 0.25);
        }
        
        .footer {
            background-color: var(--secondary-color);
            color: white;
            padding: 50px 0 20px;
        }
        
        .social-icon {
            color: white;
            font-size: 1.5rem;
            margin: 0 10px;
            transition: all 0.3s ease;
        }
        
        .social-icon:hover {
            color: var(--primary-color);
            transform: translateY(-5px);
        }
        
        .whatsapp-float {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            background-color: #25d366;
            color: #fff;
            border-radius: 50%;
            text-align: center;
            font-size: 30px;
            box-shadow: 0 0 20px rgba(37, 211, 102, 0.5);
            z-index: 100;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            animation: pulse 2s infinite;
        }
        
        .whatsapp-float:hover {
            background-color: #128c7e;
            transform: scale(1.1);
        }
        
        @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);
            }
        }
        
        /* Animaciones */
        .fade-in {
            animation: fadeIn 1s ease-in;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        .slide-in-left {
            animation: slideInLeft 1s ease-out;
        }
        
        @keyframes slideInLeft {
            from { transform: translateX(-100px); opacity: 0; }
            to { transform: translateX(0); opacity: 1; }
        }
        
        .slide-in-right {
            animation: slideInRight 1s ease-out;
        }
        
        @keyframes slideInRight {
            from { transform: translateX(100px); opacity: 0; }
            to { transform: translateX(0); opacity: 1; }
        }
        
        /* Sección de características */
        .features-section {
            padding: 80px 0;
            background-color: white;
        }
        
        /* Sección de videos */
        .videos-section {
            padding: 80px 0;
            background-color: #f8f9fa;
        }
        
        /* Sección de testimonios */
        .testimonials-section {
            padding: 80px 0;
            background-color: white;
        }
        
        .testimonial-card {
            background: white;
            border-radius: 10px;
            padding: 30px;
            margin: 15px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            border-top: 4px solid var(--primary-color);
        }
        
        .testimonial-text {
            font-style: italic;
            margin-bottom: 20px;
        }
        
        .testimonial-author {
            font-weight: 700;
            color: var(--secondary-color);
        }
        
        .testimonial-role {
            color: #666;
            font-size: 0.9rem;
        }
        
        /* Sección de contacto */
        .contact-section {
            padding: 80px 0;
            background-color: #f8f9fa;
        }
        
        .contact-info {
            margin-bottom: 30px;
        }
        
        .contact-info i {
            color: var(--primary-color);
            margin-right: 10px;
            width: 20px;
            text-align: center;
        }

        /* Nuevos estilos para el buscador y paginación de videos */
        .video-search-section {
            padding: 50px 0;
            background-color: white;
        }
        
        .search-container {
            margin-bottom: 30px;
        }
        
        .search-box {
            position: relative;
            max-width: 600px;
            margin: 0 auto;
        }
        
        .search-box input {
            padding-left: 45px;
            border-radius: 30px;
            border: 1px solid #ddd;
            height: 50px;
        }
        
        .search-box i {
            position: absolute;
            left: 15px;
            top: 15px;
            color: var(--primary-color);
            z-index: 10;
        }
        
        .category-filter {
            margin-bottom: 30px;
        }
        
        .category-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }
        
        .category-btn {
            background: white;
            border: 1px solid #ddd;
            color: var(--dark-color);
            padding: 8px 15px;
            border-radius: 30px;
            transition: all 0.3s ease;
            font-size: 0.9rem;
        }
        
        .category-btn:hover,
        .category-btn.active {
            background: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        
        .video-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }
        
        .video-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }
        
        .video-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        .video-thumbnail {
            position: relative;
            padding-bottom: 56.25%; /* 16:9 */
            height: 0;
            overflow: hidden;
        }
        
        .video-thumbnail img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .play-icon {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            color: white;
            font-size: 3rem;
            opacity: 0.8;
            transition: all 0.3s ease;
        }
        
        .video-card:hover .play-icon {
            opacity: 1;
            transform: translate(-50%, -50%) scale(1.1);
        }
        
        .video-info {
            padding: 20px;
        }
        
        .video-category {
            display: inline-block;
            background: rgba(239, 76, 65, 0.1);
            color: var(--primary-color);
            padding: 3px 10px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        
        .video-title {
            font-size: 1.1rem;
            margin-bottom: 10px;
            color: var(--secondary-color);
        }
        
        .video-duration {
            color: #666;
            font-size: 0.85rem;
        }
        
        .pagination {
            justify-content: center;
            margin-top: 30px;
        }
        
        .page-item.active .page-link {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }
        
        .page-link {
            color: var(--primary-color);
            margin: 0 5px;
            border-radius: 50% !important;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid #ddd;
        }
        
        .page-link:hover {
            color: var(--primary-color);
            background-color: rgba(239, 76, 65, 0.1);
        }
        
        /* Modal para videos */
        .video-modal .modal-dialog {
            max-width: 800px;
        }
        
        .video-modal .modal-content {
            border: none;
            border-radius: 10px;
            overflow: hidden;
        }
        
        .video-modal .modal-header {
            border-bottom: none;
            padding-bottom: 0;
        }
        
        .video-modal .modal-body {
            padding: 0;
        }
        
        .video-modal iframe {
            width: 100%;
            height: 450px;
            border: none;
        }
        
        @media (max-width: 768px) {
            .video-modal iframe {
                height: 300px;
            }
            
            .video-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Sección de Clientes */
.clients-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.clients-slider-container {
    position: relative;
    padding: 0 40px;
}

.client-slide {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 180px; /* Aumenté la altura del slide */
}

.client-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 140px; /* Aumenté la altura del contenedor */
    width: 200px; /* Añadí un ancho fijo para consistencia */
    padding: 25px; /* Aumenté el padding */
    background: white;
    border-radius: 12px; /* Aumenté el border-radius */
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12); /* Mejoré la sombra */
    transition: all 0.3s ease;
    margin: 0 auto;
}

.client-logo:hover {
    transform: translateY(-8px); /* Aumenté el efecto hover */
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.18);
}

.client-logo img {
    max-width: 100%;
    max-height: 90px; /* Aumenté la altura máxima */
    width: auto; /* Permite que mantenga proporciones */
    height: auto; /* Permite que mantenga proporciones */
    filter: grayscale(100%);
    opacity: 0.8; /* Aumenté ligeramente la opacidad */
    transition: all 0.3s ease;
    object-fit: contain; /* Asegura que la imagen se ajuste bien */
}

.client-logo:hover img {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.05); /* Añadí un pequeño zoom al hacer hover */
}

/* Estilos para los botones de navegación del slider */
.clients-swiper .swiper-button-next,
.clients-swiper .swiper-button-prev {
    color: #007bff;
    background: white;
    width: 50px; /* Aumenté el tamaño */
    height: 50px; /* Aumenté el tamaño */
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
}

.clients-swiper .swiper-button-next:hover,
.clients-swiper .swiper-button-prev:hover {
    background: #007bff;
    color: white;
    transform: scale(1.1);
}

.clients-swiper .swiper-button-next:after,
.clients-swiper .swiper-button-prev:after {
    font-size: 22px; /* Aumenté el tamaño de las flechas */
    font-weight: bold;
}

/* Estilos para la paginación */
.clients-swiper .swiper-pagination-bullet {
    background: #007bff;
    opacity: 0.5;
    width: 12px; /* Aumenté el tamaño */
    height: 12px; /* Aumenté el tamaño */
    transition: all 0.3s ease;
}

.clients-swiper .swiper-pagination-bullet-active {
    opacity: 1;
    transform: scale(1.2);
}

/* Ajustes responsive para diferentes tamaños de pantalla */
@media (max-width: 768px) {
    .clients-slider-container {
        padding: 0 20px;
    }
    
    .client-slide {
        height: 160px;
    }
    
    .client-logo {
        height: 120px;
        width: 160px;
        padding: 20px;
    }
    
    .client-logo img {
        max-height: 70px;
    }
    
    .clients-swiper .swiper-button-next,
    .clients-swiper .swiper-button-prev {
        width: 40px;
        height: 40px;
    }
    
    .clients-swiper .swiper-button-next:after,
    .clients-swiper .swiper-button-prev:after {
        font-size: 18px;
    }
}

@media (max-width: 576px) {
    .clients-section {
        padding: 60px 0;
    }
    
    .client-slide {
        height: 140px;
    }
    
    .client-logo {
        height: 100px;
        width: 140px;
        padding: 15px;
    }
    
    .client-logo img {
        max-height: 60px;
    }
}

/* Estilos para la sección de Gestión Multi-Cursos */
.multi-courses-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.feature-list {
    list-style: none;
    padding-left: 0;
}

.feature-list li {
    margin-bottom: 10px;
    font-size: 1.05rem;
}

.screenshots-container {
    position: relative;
}

.screenshot-main {
    border: 1px solid #e9ecef;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.screenshot-thumbnails img {
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.screenshot-thumbnails img:hover {
    transform: translateY(-3px);
    border-color: #ef4c41;
}

.cursor-pointer {
    cursor: pointer;
}

/* Estilos para la sección de Libros */
/* Estilos para la Tienda de Libros */
.books-store-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.books-gallery {
    margin-top: 30px;
}

.book-card {
    perspective: 1000px;
    height: 450px;
    margin-bottom: 30px;
}

.book-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s;
    transform-style: preserve-3d;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    border-radius: 10px;
    background: white;
}

.book-card.flipped .book-inner {
    transform: rotateY(180deg);
}

.book-front, .book-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: 10px;
    overflow: hidden;
}

.book-back {
    transform: rotateY(180deg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.book-cover {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.book-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.book-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.book-cover:hover .book-overlay {
    opacity: 1;
}

.book-info {
    padding: 15px;
}

.book-info h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: #333;
}

.book-level {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.book-price {
    font-size: 1.2rem;
    font-weight: bold;
    color: #ef4c41;
    margin-bottom: 10px;
}

.table-content {
    text-align: left;
}

.table-content h5 {
    color: #333;
    margin-bottom: 10px;
}

.table-content ul {
    padding-left: 20px;
    margin-bottom: 0;
}

.table-content li {
    margin-bottom: 5px;
    font-size: 0.9rem;
}

.book-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

/* Estilos para el Carrito */
.cart-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.cart-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #ef4c41;
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 15px rgba(239, 76, 65, 0.4);
    transition: all 0.3s ease;
    position: relative;
}

.cart-toggle:hover {
    transform: scale(1.1);
    background: #d84339;
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #333;
    color: white;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 380px;
    height: 100vh;
    background: white;
    box-shadow: -2px 0 10px rgba(0,0,0,0.1);
    z-index: 1001;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
}

.cart-sidebar.open {
    right: 0;
}

.cart-header {
    padding: 20px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f8f9fa;
}

.cart-header h4 {
    margin: 0;
    color: #333;
}

.close-cart {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: #666;
    cursor: pointer;
}

.cart-body {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
}

.empty-cart-message {
    text-align: center;
    color: #666;
    padding: 40px 20px;
}

.empty-cart-message i {
    font-size: 3rem;
    margin-bottom: 15px;
    color: #ddd;
}

.cart-item {
    display: flex;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
}

.cart-item-image {
    width: 60px;
    height: 80px;
    margin-right: 15px;
}

.cart-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 5px;
}

.cart-item-details {
    flex: 1;
}

.cart-item-title {
    font-weight: bold;
    margin-bottom: 5px;
    font-size: 0.9rem;
}

.cart-item-price {
    color: #ef4c41;
    font-weight: bold;
}

.cart-item-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 5px;
}

.quantity-btn {
    width: 30px;
    height: 30px;
    border: 1px solid #ddd;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.8rem;
}

.quantity-btn:hover {
    background: #f8f9fa;
}

.quantity-display {
    min-width: 30px;
    text-align: center;
    font-weight: bold;
}

.remove-item {
    color: #dc3545;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
}

.cart-footer {
    padding: 20px;
    border-top: 1px solid #eee;
    background: #f8f9fa;
}

.cart-totals {
    margin-bottom: 15px;
}

.total-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-weight: bold;
}

.total-item:last-child {
    font-size: 1.1rem;
    color: #ef4c41;
}

.checkout-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Overlay para el carrito */
.cart-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    display: none;
}

.cart-overlay.active {
    display: block;
}

/* Responsive */
@media (max-width: 768px) {
    .cart-sidebar {
        width: 100%;
        right: -100%;
    }
    
    .book-card {
        height: 400px;
    }
    
    .book-cover {
        height: 200px;
    }
}