* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        :root {
            --primary-red: #CC0000;
            --primary-black: #000000;
            --primary-gray: #333333;
            --primary-white: #FFFFFF;
        }
        
        body {
            font-family: 'Roboto', 'Arial', sans-serif;
            line-height: 1.6;
            color: var(--primary-black);
            background-color: var(--primary-white);
            padding: 2rem;
        }
        
        main {
            max-width: 1000px;
            margin: 0 auto;
            padding: 2rem;
            background-color: #f9f9f9;
            border: 3px solid var(--primary-black);
            box-shadow: 10px 10px 0 var(--primary-red);
        }
        
        h1, h2, h3 {
            font-weight: 900;
            text-transform: uppercase;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        
        h1 {
            font-size: 2.5rem;
            color: var(--primary-red);
            text-shadow: 2px 2px 0 var(--primary-black);
            border-bottom: 3px solid var(--primary-black);
            padding-bottom: 0.5rem;
            margin-bottom: 2rem;
        }
        
        h2 {
            font-size: 1.8rem;
            color: var(--primary-black);
            margin-top: 2rem;
            border-bottom: 2px solid var(--primary-red);
            padding-bottom: 0.5rem;
        }
        
        h3 {
            font-size: 1.4rem;
            color: var(--primary-red);
            margin-top: 1.5rem;
        }
        
        p, ul, ol {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        
        ul, ol {
            margin-left: 2rem;
        }
        
        a {
            color: var(--primary-red);
            text-decoration: none;
            font-weight: 700;
        }
        
        a:hover {
            text-decoration: underline;
        }
        
        @media screen and (max-width: 768px) {
            body {
                padding: 1rem;
            }
            
            main {
                padding: 1.5rem;
            }
            
            h1 {
                font-size: 2rem;
            }
            
            h2 {
                font-size: 1.6rem;
            }
        }