@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400;600;700&display=swap');
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Open Sans', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
        }
        
        header {
            background: linear-gradient(135deg, #271b47 0%, #459cd8 100%);
            color: white;
            padding: 2rem 0;
            position: relative;
            overflow: hidden;
        }
        
        header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
            opacity: 0.3;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 1;
        }
        
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            flex-wrap: wrap;
            gap: 1rem;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
            flex-wrap: wrap;
        }
        
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            padding: 0.5rem 1rem;
            border-radius: 25px;
        }
        
        .nav-links a:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        
        h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 700;
            text-align: center;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        
        main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem 20px;
        }
        
        article {
            background: white;
            padding: 3rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            margin-bottom: 3rem;
            position: relative;
        }
        
        article::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #271b47, #459cd8, #20a157);
            border-radius: 15px 15px 0 0;
        }
        
        article h2 {
            color: #271b47;
            font-size: 2rem;
            margin-bottom: 1.5rem;
            font-weight: 600;
        }
        
        article h3 {
            color: #459cd8;
            font-size: 1.5rem;
            margin: 2rem 0 1rem 0;
            font-weight: 600;
        }
        
        article p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
            line-height: 1.8;
        }
        
        .transition-section {
            background: linear-gradient(135deg, rgba(69, 156, 216, 0.1) 0%, rgba(39, 27, 71, 0.1) 100%);
            padding: 2rem 3rem;
            border-radius: 15px;
            margin-bottom: 3rem;
            border: 1px solid rgba(69, 156, 216, 0.2);
        }
        
        .transition-section p {
            font-size: 1.1rem;
            color: #555;
            text-align: justify;
            line-height: 1.8;
            margin-bottom: 1rem;
        }
        
        .links-section {
            background: white;
            padding: 3rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            position: relative;
        }
        
        .links-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #20a157, #459cd8, #271b47);
            border-radius: 15px 15px 0 0;
        }
        
        .links-section h3 {
            color: #271b47;
            font-size: 1.5rem;
            margin-bottom: 1rem;
            font-weight: 600;
            border-bottom: 2px solid #459cd8;
            padding-bottom: 0.5rem;
        }
        
        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 0.5rem 2rem;
            margin-bottom: 2rem;
        }
        
        .links-section li {
            margin-bottom: 0.5rem;
        }
        
        .links-section a {
            color: #459cd8;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            padding: 0.3rem 0;
            display: block;
            border-left: 3px solid transparent;
            padding-left: 1rem;
        }
        
        .links-section a:hover {
            color: #20a157;
            border-left-color: #20a157;
            padding-left: 1.5rem;
            transform: translateX(5px);
        }
        
        footer {
            background: #271b47;
            color: white;
            padding: 2rem 0;
            margin-top: 4rem;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        
        .footer-section h4 {
            color: #459cd8;
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }
        
        .footer-section ul {
            list-style: none;
        }
        
        .footer-section a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s ease;
            line-height: 2;
        }
        
        .footer-section a:hover {
            color: #459cd8;
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #459cd8;
            color: #999;
        }
        
        @media (max-width: 768px) {
            .nav-links {
                justify-content: center;
            }
            
            nav {
                flex-direction: column;
                text-align: center;
            }
            
            article, .transition-section, .links-section {
                padding: 2rem 1.5rem;
            }
            
            .links-section ul {
                grid-template-columns: 1fr;
            }
            
            main {
                padding: 1rem 10px;
            }
        }
        
        @media (max-width: 480px) {
            .nav-links {
                gap: 1rem;
            }
            
            .nav-links a {
                padding: 0.4rem 0.8rem;
                font-size: 0.9rem;
            }
            
            article, .transition-section, .links-section {
                padding: 1.5rem 1rem;
            }
        }