:root {
            --primary-red: #d32f2f;
            --primary-red-dark: #b71c1c;
            --light-gray: #f5f5f5;
            --dark-gray: #333;
            --medium-gray: #777;
            --white: #ffffff;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Arial', sans-serif;
        }
        
        body {
            background-color: var(--light-gray);
            color: var(--dark-gray);
            line-height: 1.6;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-nivel {
            text-align: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--white);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            font-size: 24px;
            font-weight: bold;
            color: var(--primary-red);
        }
        
        .logo span {
            color: var(--dark-gray);
        }
        
        nav {
            flex: 1;
            margin-left: 40px;
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 25px;
        }
        
        nav ul li a {
            text-decoration: none;
            color: var(--dark-gray);
            font-weight: 500;
            transition: color 0.3s ease;
            padding: 8px 0;
            display: block;
        }
        
        nav ul li a:hover {
            color: var(--primary-red);
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--dark-gray);
            cursor: pointer;
            z-index: 101;
        }
        
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100vh;
            background-color: var(--white);
            box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
            transition: right 0.3s ease;
            z-index: 100;
            padding: 80px 20px 30px;
            overflow-y: auto;
        }
        
        .mobile-menu.open {
            right: 0;
        }
        
        .mobile-menu-close {
            position: absolute;
            top: 20px;
            right: 20px;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--dark-gray);
            cursor: pointer;
        }
        
        .mobile-menu ul {
            list-style: none;
        }
        
        .mobile-menu ul li {
            margin-bottom: 20px;
        }
        
        .mobile-menu ul li a {
            text-decoration: none;
            color: var(--dark-gray);
            font-weight: 500;
            font-size: 18px;
            display: block;
            padding: 10px 0;
            border-bottom: 1px solid var(--light-gray);
            transition: color 0.3s ease;
        }
        
        .mobile-menu ul li a:hover {
            color: var(--primary-red);
        }
        
        .hero {
            background-image: url('imagenes/Header_2.jpg');
            background-size: cover;
            background-position: center;
            height: 600px;
            display: flex;
            align-items: center;
            position: relative;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            text-align: center;
            color: var(--white);
            padding: 0 20px;
        }
        
        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }
        
        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .cta-button {
            display: inline-block;
            background-color: var(--white);
            color: var(--primary-red);
            padding: 12px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: bold;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            border: 2px solid var(--white);
        }
        
        .cta-button:hover {
            background-color:  #d32f2f;
            color: var(--white);
            transform: translateY(-3px);
        }
        
        section {
            padding: 60px 0;
        }
        
        .section-title {
            text-align: center;
            font-size: 2rem;
            margin-bottom: 40px;
            color: var(--dark-gray);
        }
        
        .section-title span {
            color: var(--primary-red);
        }
        
        .about-content {
            display: flex;
            align-items: center;
            gap: 40px;
            margin-bottom: 60px;
        }
        
        .about-text {
            flex: 1;
            text-align: justify;
        }
        
        .about-text h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: var(--primary-red);
        }
        
        .about-text p {
            margin-bottom: 15px;
        }
        
        .about-image {
            flex: 1;
            text-align: center;
        }
        
        .about-image img {
            max-width: 100%;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .benefits-grid, .courses-grid, .membership-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        
        .benefit-card, .course-card, .membership-card {
            background-color: var(--white);
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .benefit-card:hover, .course-card:hover, .membership-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .benefit-card h3, .course-card h3, .membership-card h3 {
            color: var(--primary-red);
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        
        .benefit-card p, .course-card p, .membership-card p {
            color: var(--medium-gray);
            margin-bottom: 20px;
        }
        
        .leadership-container {
            margin-top: 40px;
        }
        
        .leadership-grid {
            display: flex;
            gap: 20px;
            justify-content: center;
        }
        
        .leader-card {
            background-color: var(--white);
            border-radius: 10px;
            padding: 20px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            flex: 1;
            min-width: 220px;
            text-align: center;
        }
        
        .leader-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .leader-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 8px;
            margin-bottom: 15px;
            cursor: pointer;
            transition: transform 0.3s ease;
        }
        
        .leader-card img:hover {
            transform: scale(1.05);
        }
        
        .leader-card h3 {
            color: var(--primary-red);
            margin-bottom: 10px;
            font-size: 1.1rem;
            cursor: pointer;
        }
        
        .leader-card h3:hover {
            text-decoration: underline;
        }
        
        .leader-card p {
            color: var(--medium-gray);
            margin-bottom: 10px;
            font-size: 0.9rem;
            font-weight: bold;
        }
        
        .leader-card .description {
            color: var(--dark-gray);
            font-size: 0.9rem;
            margin-bottom: 0;
        }
        
        .membership-card {
            text-align: center;
        }
        
        .membership-price {
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--primary-red);
            margin: 15px 0;
        }
        
        .membership-features {
            list-style: none;
            margin: 20px 0;
            text-align: left;
            font-size: 0.95rem;
        }
        
        .membership-features li {
            margin-bottom: 10px;
            padding-left: 25px;
            position: relative;
        }
        
        .membership-features li:before {
            content: "✓";
            color: var(--primary-red);
            position: absolute;
            left: 0;
            font-weight: bold;
        }
        
        .membership-button {
            background-color: var(--primary-red);
            color: var(--white);
            border: none;
            padding: 12px 25px;
            border-radius: 30px;
            font-weight: bold;
            cursor: pointer;
            transition: background-color 0.3s ease;
            width: 100%;
        }
        
        .membership-button:hover {
            background-color: var(--primary-red-dark);
        }
        
        footer {
            background-color: var(--dark-gray);
            color: var(--white);
            padding: 60px 0 30px;
        }
        
        .footer-content {
            text-align: center;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-column h3 {
            color: var(--primary-red);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column ul li {
            margin-bottom: 10px;
        }
        
        .footer-column ul li a {
            color: var(--white);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .footer-column ul li a:hover {
            color: var(--primary-red);
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }
        
        /* Mobile styles */
        @media (max-width: 991px) {
            .mobile-menu-btn {
                display: block;
            }
            
            nav {
                margin-left: 0;
            }
            
            nav ul {
                display: none;
            }
            
            .hero {
                height: 500px;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero p {
                font-size: 1.1rem;
            }
            
            .about-content {
                flex-direction: column;
            }
            
            .about-text, .about-image {
                flex: none;
                width: 100%;
            }
            
            .about-image {
                margin-top: 30px;
            }
            
            .membership-grid {
                grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            }
            
            .leadership-grid {
                flex-direction: column;
                align-items: center;
            }
            
            .leader-card {
                width: 100%;
                max-width: 300px;
            }
        }
        
        @media (min-width: 992px) {
            .leadership-grid {
                flex-direction: row;
            }
            
            .leader-card {
                flex: 1;
                min-width: 220px;
                max-width: none;
            }
        }