* {
            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: linear-gradient(135deg, #f5f7fa 0%, #e8f0f5 100%);
            min-height: 100vh;
        }

        header {
            background: linear-gradient(135deg, #2c5f2d 0%, #97bc62 100%);
            color: white;
            padding: 2rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

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

        .flags {
            text-align: right;
            margin-bottom: 1rem;
        }

        .flags img {
            margin-left: 10px;
            height: 20px;
            cursor: pointer;
            transition: transform 0.3s ease;
        }

        .flags img:hover {
            transform: scale(1.1);
        }

        nav {
            background: #fff;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            padding: 0 20px;
        }

        .nav-item {
            position: relative;
        }

        .nav-item > a {
            display: block;
            padding: 1rem 1.5rem;
            color: #2c5f2d;
            text-decoration: none;
            font-weight: 500;
            transition: background-color 0.3s ease, color 0.3s ease;
        }

        .nav-item > a:hover,
        .nav-item > a.active {
            background-color: #97bc62;
            color: white;
        }

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

        h1 {
            color: #2c5f2d;
            font-size: 2.5rem;
            margin-bottom: 2rem;
            text-align: center;
            line-height: 1.3;
        }

        article {
            background: white;
            padding: 3rem;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            margin-bottom: 3rem;
        }

        article h2 {
            color: #2c5f2d;
            font-size: 1.8rem;
            margin-top: 2rem;
            margin-bottom: 1rem;
        }

        article h3 {
            color: #4a7c4e;
            font-size: 1.4rem;
            margin-top: 1.5rem;
            margin-bottom: 0.8rem;
        }

        article p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
            color: #555;
            text-align: justify;
        }

        article strong {
            color: #2c5f2d;
        }

        .transition-section {
            background: white;
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            margin-bottom: 3rem;
        }

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

        .links-section {
            background: white;
            padding: 3rem;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
            margin-bottom: 3rem;
        }

        .links-section h2 {
            color: #2c5f2d;
            font-size: 2rem;
            margin-bottom: 2rem;
            text-align: center;
        }

        .links-section h3 {
            color: #4a7c4e;
            font-size: 1.5rem;
            margin-top: 2rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #97bc62;
        }

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

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

        .links-section a {
            color: #2c5f2d;
            text-decoration: none;
            font-size: 1.05rem;
            transition: color 0.3s ease, padding-left 0.3s ease;
            display: inline-block;
        }

        .links-section a:hover {
            color: #97bc62;
            padding-left: 10px;
        }

        .links-section a::before {
            content: "→ ";
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .links-section a:hover::before {
            opacity: 1;
        }

        footer {
            background: linear-gradient(135deg, #2c5f2d 0%, #1e4620 100%);
            color: white;
            text-align: center;
            padding: 2rem 0;
            margin-top: 4rem;
        }

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

        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }

            article {
                padding: 2rem 1.5rem;
            }

            article h2 {
                font-size: 1.5rem;
            }

            article h3 {
                font-size: 1.2rem;
            }

            article p {
                font-size: 1rem;
            }

            .nav-container {
                flex-direction: column;
            }

            .nav-item > a {
                padding: 0.8rem 1rem;
            }

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

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

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

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

            article {
                padding: 1.5rem 1rem;
            }

            .links-section {
                padding: 1.5rem 1rem;
            }

            .transition-section {
                padding: 1.5rem 1rem;
            }
        }