* {
            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(to bottom, #f8f9fa 0%, #e9ecef 100%);
            min-height: 100vh;
        }

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

        header {
            background: linear-gradient(135deg, #2d5a45 0%, #34694d 100%);
            color: white;
            padding: 20px 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .header-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            color: white;
            text-decoration: none;
        }

        nav {
            background: #34694d;
            padding: 15px 0;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }

        .nav-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            list-style: none;
        }

        .nav-links a {
            color: white;
            text-decoration: none;
            padding: 8px 16px;
            border-radius: 4px;
            transition: background 0.3s ease;
            font-weight: 500;
        }

        .nav-links a:hover {
            background: rgba(255,255,255,0.2);
        }

        main {
            padding: 40px 0;
        }

        h1 {
            color: #2d5a45;
            font-size: 2.5rem;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 3px solid #34694d;
            text-align: center;
        }

        article {
            background: white;
            padding: 40px;
            margin-bottom: 40px;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.08);
            line-height: 1.8;
        }

        article h2 {
            color: #34694d;
            margin: 30px 0 15px;
            font-size: 1.8rem;
        }

        article h3 {
            color: #2d5a45;
            margin: 25px 0 12px;
            font-size: 1.4rem;
        }

        article p {
            margin-bottom: 20px;
            text-align: justify;
        }

        article img {
            max-width: 100%;
            height: auto;
            border-radius: 4px;
            margin: 20px 0;
        }

        article blockquote {
            border-left: 4px solid #34694d;
            padding-left: 20px;
            margin: 25px 0;
            font-style: italic;
            color: #555;
            background: #f8f9fa;
            padding: 15px 20px;
            border-radius: 0 4px 4px 0;
        }

        .transition-section {
            background: white;
            padding: 30px 40px;
            margin-bottom: 40px;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.08);
        }

        .transition-section p {
            margin-bottom: 15px;
            line-height: 1.8;
        }

        .links-section {
            background: white;
            padding: 40px;
            border-radius: 8px;
            box-shadow: 0 2px 15px rgba(0,0,0,0.08);
        }

        .links-section h2 {
            color: #2d5a45;
            margin-bottom: 30px;
            font-size: 2rem;
            text-align: center;
        }

        .links-section h3 {
            color: #34694d;
            margin: 30px 0 15px;
            font-size: 1.3rem;
            padding-bottom: 8px;
            border-bottom: 2px solid #e9ecef;
        }

        .links-section ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 12px;
            margin-bottom: 30px;
        }

        .links-section li {
            padding: 10px 0;
        }

        .links-section a {
            color: #2d5a45;
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-block;
            padding-left: 20px;
            position: relative;
        }

        .links-section a:before {
            content: "→";
            position: absolute;
            left: 0;
            color: #34694d;
            font-weight: bold;
        }

        .links-section a:hover {
            color: #1a3328;
            padding-left: 25px;
        }

        footer {
            background: #2d5a45;
            color: white;
            padding: 30px 0;
            margin-top: 60px;
            text-align: center;
        }

        footer a {
            color: #a8d5ba;
            text-decoration: none;
        }

        footer a:hover {
            color: white;
        }

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

            article, .transition-section, .links-section {
                padding: 25px;
            }

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

            .nav-links {
                flex-direction: column;
                align-items: center;
            }

            .nav-links a {
                display: block;
                width: 100%;
                text-align: center;
            }
        }

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

            article, .transition-section, .links-section {
                padding: 20px;
            }

            article h2 {
                font-size: 1.5rem;
            }

            article h3 {
                font-size: 1.2rem;
            }
        }