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

        body {
            font-family: "Raleway", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            font-size: 16px;
            line-height: 1.6;
            color: #646464;
            background-color: #e4e1ee;
        }

        header {
            background-color: #fff;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            font-size: 28px;
            font-weight: 700;
            color: #292430;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 2px;
        }

        nav ul {
            list-style: none;
            display: flex;
            gap: 35px;
        }

        nav a {
            text-decoration: none;
            color: #292430;
            font-weight: 500;
            text-transform: uppercase;
            font-size: 14px;
            transition: color 0.3s;
        }

        nav a:hover {
            color: #756b97;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 28px;
            color: #292430;
            cursor: pointer;
        }

        main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 60px 40px;
        }

        h1 {
            font-size: 52px;
            font-weight: 500;
            color: #292430;
            margin-bottom: 40px;
            text-transform: uppercase;
            letter-spacing: 4px;
            line-height: 1.2;
        }

        article {
            background-color: #fff;
            padding: 50px;
            margin-bottom: 50px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        article h2 {
            font-size: 32px;
            font-weight: 700;
            color: #626262;
            margin: 40px 0 20px;
        }

        article h2:first-child {
            margin-top: 0;
        }

        article h3 {
            font-size: 24px;
            font-weight: 700;
            color: #626262;
            margin: 30px 0 15px;
        }

        article h4 {
            font-size: 20px;
            font-weight: 700;
            color: #626262;
            margin: 25px 0 10px;
        }

        article p {
            margin-bottom: 20px;
            font-size: 16px;
            line-height: 1.8;
        }

        article ul,
        article ol {
            margin: 20px 0 20px 30px;
        }

        article li {
            margin-bottom: 10px;
        }

        .transition-section {
            background-color: #fff;
            padding: 40px 50px;
            margin-bottom: 50px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .transition-section p {
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .links-section {
            background-color: #fff;
            padding: 50px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .links-section h3 {
            font-size: 24px;
            font-weight: 700;
            color: #756b97;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid #756b97;
        }

        .links-section ul {
            list-style: none;
            column-count: 2;
            column-gap: 40px;
            margin-bottom: 40px;
        }

        .links-section ul:last-child {
            margin-bottom: 0;
        }

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

        .links-section a {
            color: #646464;
            text-decoration: none;
            display: inline-block;
            transition: color 0.3s, padding-left 0.3s;
            position: relative;
            padding-left: 15px;
        }

        .links-section a:before {
            content: "→";
            position: absolute;
            left: 0;
            color: #756b97;
            transition: left 0.3s;
        }

        .links-section a:hover {
            color: #756b97;
            padding-left: 20px;
        }

        .links-section a:hover:before {
            left: 5px;
        }

        footer {
            background-color: #292430;
            color: #acb1bd;
            padding: 30px 40px;
            text-align: center;
            margin-top: 60px;
        }

        footer p {
            font-size: 14px;
            margin: 5px 0;
        }

        @media (max-width: 768px) {
            .header-container {
                padding: 15px 20px;
            }

            .mobile-menu-toggle {
                display: block;
            }

            nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background-color: #fff;
                box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            }

            nav.active {
                display: block;
            }

            nav ul {
                flex-direction: column;
                gap: 0;
                padding: 20px;
            }

            nav li {
                border-bottom: 1px solid #e4e1ee;
            }

            nav a {
                display: block;
                padding: 15px 0;
            }

            main {
                padding: 40px 20px;
            }

            h1 {
                font-size: 36px;
                letter-spacing: 2px;
            }

            article {
                padding: 30px 20px;
            }

            article h2 {
                font-size: 28px;
            }

            article h3 {
                font-size: 22px;
            }

            article h4 {
                font-size: 18px;
            }

            .transition-section {
                padding: 30px 20px;
            }

            .links-section {
                padding: 30px 20px;
            }

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

            footer {
                padding: 20px;
            }
        }

        @media (max-width: 480px) {
            h1 {
                font-size: 28px;
            }

            article h2 {
                font-size: 24px;
            }

            article h3 {
                font-size: 20px;
            }
        }