:root {
            --primary: #0a84ff;
            --secondary: #32d74b;
            --accent: #ff453a;
            --dark: #1d1d1f;
            --light: #f5f5f7;
            --gradient: linear-gradient(135deg, #0a84ff, #32d74b);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            color: var(--dark);
            background-color: var(--light);
            line-height: 1.6;
        }
        
        header {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(29, 29, 31, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            padding: 1rem 2rem;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
        }
        
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            letter-spacing: -1px;
        }
        
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        
        nav a {
            color: var(--light);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        nav a:hover {
            color: var(--primary);
        }
        
        .burger {
            display: none;
            flex-direction: column;
            cursor: pointer;
        }
        
        .burger span {
            width: 25px;
            height: 3px;
            background: var(--light);
            margin: 3px 0;
            transition: 0.3s;
        }
        
        main {
            margin-top: 80px;
            padding: 2rem;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .hero {
            text-align: center;
            margin-bottom: 3rem;
        }
        
        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: var(--dark);
        }
        
        .hero p {
            font-size: 1.2rem;
            color: #666;
        }
        
        .content {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        }
        
        .content h2 {
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
            color: var(--primary);
        }
        
        .content h3 {
            font-size: 1.4rem;
            margin: 1.5rem 0 0.5rem;
            color: var(--dark);
        }
        
        .content p {
            margin-bottom: 1rem;
        }
        
        .content ul {
            margin-left: 2rem;
            margin-bottom: 1rem;
        }
        
        .content li {
            margin-bottom: 0.5rem;
        }
        
        .last-updated {
            text-align: center;
            margin-top: 2rem;
            color: #666;
            font-style: italic;
        }
        
        footer {
            background: var(--dark);
            color: var(--light);
            padding: 3rem 2rem 1rem;
            margin-top: 3rem;
        }
        
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        
        .footer-column h3 {
            margin-bottom: 1rem;
            color: var(--primary);
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column li {
            margin-bottom: 0.5rem;
        }
        
        .footer-column a {
            color: var(--light);
            text-decoration: none;
            opacity: 0.8;
            transition: opacity 0.3s;
        }
        
        .footer-column a:hover {
            opacity: 1;
        }
        
        .footer-bottom {
            text-align: center;
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            opacity: 0.7;
        }
        
        @media (max-width: 768px) {
            nav ul {
                display: none;
                position: absolute;
                top: 0;
                left: 0;
                width: 100%;
                height: 100vh;
                flex-direction: column;
                top: 68px;
                background-color: #1d1d1f;
            }
            nav ul.active{
                display: flex;
            }
            
            .burger {
                display: flex;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .footer-container {
                grid-template-columns: 1fr;
            }
        }