* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
            font-size: 14px;
            line-height: 1.6;
            color: #777;
            background-color: #f9f9f9;
        }
        
        .container {
            max-width: 1170px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        header {
            background: #222;
            color: #888;
            padding: 15px 0;
        }
        
        .header-brand {
            font-family: Pacifico, cursive;
            font-size: 30px;
            font-weight: 300;
            color: #fff;
            text-decoration: none;
            letter-spacing: 1px;
        }
        
        .header-brand span {
            color: #f54828;
        }
        
        nav {
            background: #fff;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
            padding: 20px 0;
            margin-bottom: 40px;
        }
        
        .nav-links {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }
        
        .nav-links a {
            color: #555;
            text-decoration: none;
            text-transform: uppercase;
            font-weight: 700;
            font-size: 13px;
            padding: 10px 15px;
            transition: all 0.2s ease-in-out;
        }
        
        .nav-links a:hover {
            color: #fff;
            background-color: #f54828;
            border-radius: 3px;
        }
        
        main {
            background: #fff;
            padding: 40px 0;
            min-height: 500px;
        }
        
        h1 {
            font-size: 36px;
            color: #444;
            font-weight: 700;
            margin-bottom: 30px;
            line-height: 1.2;
        }
        
        h2 {
            font-size: 30px;
            color: #444;
            font-weight: 700;
            margin: 30px 0 20px;
        }
        
        h3 {
            font-size: 24px;
            color: #444;
            font-weight: 700;
            margin: 25px 0 15px;
        }
        
        h4 {
            font-size: 18px;
            color: #444;
            font-weight: 700;
            margin: 20px 0 10px;
        }
        
        article p {
            margin-bottom: 15px;
            line-height: 1.8;
        }
        
        article {
            margin-bottom: 40px;
        }
        
        .transition-section {
            margin: 40px 0;
            padding: 30px;
            background: #f7f7f7;
            border-left: 6px solid #f54828;
        }
        
        .transition-section p {
            margin-bottom: 15px;
            line-height: 1.8;
        }
        
        .links-section {
            margin-top: 50px;
            padding: 40px 0;
            background: #f9f9f9;
        }
        
        .links-section h3 {
            color: #f54828;
            font-size: 20px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #ebebeb;
        }
        
        .links-section ul {
            list-style: none;
            columns: 2;
            column-gap: 30px;
            margin-bottom: 30px;
        }
        
        .links-section li {
            margin-bottom: 10px;
            break-inside: avoid;
        }
        
        .links-section a {
            color: #f54828;
            text-decoration: none;
            transition: all 0.3s ease;
            display: inline-block;
            padding: 5px 0;
        }
        
        .links-section a:hover {
            color: #333;
            padding-left: 10px;
        }
        
        .links-section a:before {
            content: "→ ";
            margin-right: 5px;
        }
        
        footer {
            background: #222;
            color: #888;
            padding: 50px 0 30px;
            margin-top: 50px;
        }
        
        .footer-brand {
            font-family: Pacifico, cursive;
            font-size: 30px;
            font-weight: 300;
            color: #fff;
            margin-bottom: 20px;
            display: block;
        }
        
        .footer-links {
            list-style: none;
            margin-bottom: 20px;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: #ddd;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .footer-links a:hover {
            color: #fff;
        }
        
        .copyright {
            background: #f54828;
            color: #fff;
            padding: 15px 0;
            text-align: center;
            font-size: 12px;
        }
        
        @media (max-width: 768px) {
            h1 {
                font-size: 28px;
            }
            
            h2 {
                font-size: 24px;
            }
            
            h3 {
                font-size: 20px;
            }
            
            .nav-links {
                flex-direction: column;
                gap: 10px;
            }
            
            .links-section ul {
                columns: 1;
            }
            
            .transition-section {
                padding: 20px;
            }
            
            main {
                padding: 20px 0;
            }
        }
        
        @media (max-width: 480px) {
            h1 {
                font-size: 24px;
            }
            
            .header-brand {
                font-size: 24px;
            }
        }