* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #ffffff;
        }

        header {
            background-color: #f8f8f8;
            border-bottom: 3px solid #e74c3c;
            padding: 1rem 0;
        }

        .header-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .site-title {
            font-size: 1.8rem;
            color: #e74c3c;
            font-weight: bold;
            margin-bottom: 0.5rem;
        }

        nav {
            background-color: #2c3e50;
            padding: 0;
        }

        nav ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0;
        }

        nav ul li {
            flex: 1;
            min-width: 120px;
            text-align: center;
        }

        nav ul li a {
            display: block;
            padding: 1rem;
            color: #ffffff;
            text-decoration: none;
            font-weight: 500;
            transition: background-color 0.3s ease;
        }

        nav ul li a:hover,
        nav ul li a.active {
            background-color: #e74c3c;
        }

        main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 3rem 20px;
        }

        h1 {
            font-size: 2.5rem;
            color: #2c3e50;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 3px solid #e74c3c;
        }

        article {
            background-color: #ffffff;
            padding: 2rem 0;
            margin-bottom: 3rem;
        }

        article h2 {
            font-size: 1.8rem;
            color: #2c3e50;
            margin-top: 2rem;
            margin-bottom: 1rem;
        }

        article h3 {
            font-size: 1.4rem;
            color: #34495e;
            margin-top: 1.5rem;
            margin-bottom: 0.8rem;
        }

        article p {
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 1.2rem;
            text-align: justify;
            color: #444;
        }

        .transition-section {
            background-color: #f9f9f9;
            padding: 2rem;
            margin: 3rem 0;
            border-left: 4px solid #e74c3c;
            border-radius: 4px;
        }

        .transition-section p {
            font-size: 1.1rem;
            line-height: 1.8;
            color: #555;
            margin-bottom: 1rem;
        }

        .links-section {
            background-color: #f4f4f4;
            padding: 3rem 2rem;
            margin-top: 3rem;
            border-radius: 8px;
            border-top: 4px solid #e74c3c;
        }

        .links-section h3 {
            font-size: 1.5rem;
            color: #2c3e50;
            margin-top: 2rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e74c3c;
        }

        .links-section h3:first-child {
            margin-top: 0;
        }

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.8rem 2rem;
            margin-bottom: 2rem;
        }

        .links-section ul li {
            padding: 0.5rem 0;
        }

        .links-section ul li a {
            color: #2c3e50;
            text-decoration: none;
            font-size: 1rem;
            transition: color 0.3s ease, padding-left 0.3s ease;
            display: inline-block;
        }

        .links-section ul li a:hover {
            color: #e74c3c;
            padding-left: 5px;
        }

        .links-section ul li a::before {
            content: "→ ";
            color: #e74c3c;
            font-weight: bold;
        }

        footer {
            background-color: #2c3e50;
            color: #ffffff;
            padding: 2rem 0;
            margin-top: 4rem;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .footer-nav {
            margin-bottom: 1rem;
        }

        .footer-nav ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: center;
        }

        .footer-nav ul li a {
            color: #ecf0f1;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s ease;
        }

        .footer-nav ul li a:hover {
            color: #e74c3c;
        }

        @media (max-width: 768px) {
            nav ul {
                flex-direction: column;
            }

            nav ul li {
                min-width: 100%;
            }

            h1 {
                font-size: 2rem;
            }

            article h2 {
                font-size: 1.5rem;
            }

            article p {
                font-size: 1rem;
            }

            .links-section ul {
                grid-template-columns: 1fr;
                gap: 0.5rem;
            }

            .site-title {
                font-size: 1.5rem;
            }

            main {
                padding: 2rem 15px;
            }

            .links-section {
                padding: 2rem 1.5rem;
            }

            .transition-section {
                padding: 1.5rem;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 1.6rem;
            }

            .footer-nav ul {
                flex-direction: column;
                align-items: center;
                gap: 0.8rem;
            }
        }