:root {
            --primary: #d50000;
            --secondary: #212121;
            --accent: #757575;
            --light: #f5f5f5;
            --dark: #000000;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Roboto', Arial, sans-serif;
        }
        
        body {
            background-color: var(--light);
            color: var(--secondary);
            line-height: 1.6;
            padding: 20px;
        }
        
        main {
            max-width: 1000px;
            margin: 40px auto;
            background: white;
            padding: 40px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            border: 2px solid var(--secondary);
        }
        
        h1, h2, h3 {
            font-weight: 700;
            margin-bottom: 20px;
            text-transform: uppercase;
        }
        
        h1 {
            font-size: 2.5rem;
            color: var(--primary);
            border-bottom: 3px solid var(--secondary);
            padding-bottom: 10px;
            margin-bottom: 30px;
        }
        
        h2 {
            font-size: 1.8rem;
            border-left: 5px solid var(--primary);
            padding-left: 15px;
            margin: 40px 0 20px;
        }
        
        h3 {
            font-size: 1.3rem;
            color: var(--accent);
            margin: 25px 0 15px;
        }
        
        p {
            margin-bottom: 15px;
        }
        
        ul, ol {
            margin-bottom: 20px;
            padding-left: 20px;
        }
        
        li {
            margin-bottom: 10px;
        }
        
        .last-updated {
            font-style: italic;
            color: var(--accent);
            margin-bottom: 30px;
        }
        
        @media (max-width: 768px) {
            main {
                padding: 20px;
                margin: 20px auto;
            }
            
            h1 {
                font-size: 2rem;
            }
            
            h2 {
                font-size: 1.5rem;
            }
        }