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

        body {
            font-family: 'Roboto Slab', serif;
            font-size: 18px;
            line-height: 1.6;
            color: #777;
            background: #fff;
        }

        header {
            background: #fff;
            padding: 20px 0;
            border-bottom: 1px solid #ddd;
        }

        .header-container {
            max-width: 1040px;
            margin: 0 auto;
            padding: 0 25px;
        }

        .logo {
            font-size: 24px;
            font-weight: 300;
            color: #000;
            text-decoration: none;
        }

        nav {
            margin-top: 15px;
        }

        nav ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

        nav a {
            color: #000;
            text-decoration: none;
            font-size: 18px;
            font-weight: 300;
            transition: color 0.3s;
        }

        nav a:hover {
            color: #2b2b2b;
        }

        main {
            max-width: 1040px;
            margin: 0 auto;
            padding: 50px 25px;
        }

        h1 {
            font-size: 60px;
            line-height: 1.2;
            font-weight: 100;
            color: #000;
            margin-bottom: 30px;
        }

        article {
            margin-bottom: 50px;
        }

        article h2 {
            font-size: 30px;
            line-height: 1.2;
            font-weight: 300;
            color: #000;
            margin-top: 35px;
            margin-bottom: 20px;
        }

        article h3 {
            font-size: 24px;
            line-height: 1.2;
            font-weight: 300;
            color: #000;
            margin-top: 30px;
            margin-bottom: 15px;
        }

        article p {
            margin-bottom: 25px;
            color: #777;
        }

        article ul,
        article ol {
            margin-left: 30px;
            margin-bottom: 25px;
        }

        article li {
            margin-bottom: 10px;
        }

        .transition-section {
            margin: 50px 0;
            padding: 35px;
            background: #f5f5f5;
        }

        .transition-section p {
            margin-bottom: 20px;
        }

        .links-section {
            padding: 35px;
            background: #fff;
            border: 1px solid #ddd;
            margin-top: 50px;
        }

        .links-section h3 {
            font-size: 22px;
            font-weight: 300;
            color: #000;
            margin-bottom: 15px;
            margin-top: 30px;
        }

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

        .links-section ul {
            list-style: none;
            column-count: 2;
            column-gap: 30px;
            margin-bottom: 30px;
        }

        .links-section li {
            margin-bottom: 12px;
            break-inside: avoid;
        }

        .links-section a {
            color: #000;
            text-decoration: none;
            transition: color 0.3s;
            display: inline-block;
        }

        .links-section a:hover {
            color: #2b2b2b;
            text-decoration: underline;
        }

        footer {
            background: #2b2b2b;
            color: #fff;
            padding: 30px 0;
            margin-top: 70px;
        }

        .footer-container {
            max-width: 1040px;
            margin: 0 auto;
            padding: 0 25px;
            text-align: center;
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 40px;
            }

            article h2 {
                font-size: 26px;
            }

            article h3 {
                font-size: 20px;
            }

            nav ul {
                flex-direction: column;
                gap: 10px;
            }

            .links-section ul {
                column-count: 1;
            }

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

            main {
                padding: 30px 15px;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 32px;
            }

            body {
                font-size: 16px;
            }

            nav a {
                font-size: 16px;
            }
        }