* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #8B4513; 
            --secondary: #1E90FF; 
            --accent: #FFD700; 
            --light: #F5F5F5;
            --dark: #2C3E50;
        }
        body {
            line-height: 1.8;
            color: var(--dark);
            background-color: var(--light);
            padding-bottom: 40px;
        }
        header {
            background-color: var(--primary);
            padding: 15px 20px;
            color: white;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--accent);
            text-decoration: none;
        }
        .logo span {
            color: white;
        }
        .nav-links {
            display: flex;
            gap: 25px;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-links a:hover {
            color: var(--accent);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .container {
            max-width: 1200px;
            margin: 30px auto;
            padding: 0 20px;
        }
        h1 {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
            border-bottom: 2px solid var(--accent);
            padding-bottom: 10px;
        }
        h2 {
            font-size: 2rem;
            color: var(--secondary);
            margin: 30px 0 15px;
        }
        h3 {
            font-size: 1.5rem;
            color: var(--primary);
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 15px;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(255, 215, 0, 0.1);
            padding: 2px 5px;
            font-weight: bold;
            border-radius: 3px;
        }
        .btn-container {
            margin: 25px 0;
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }
        .btn {
            padding: 10px 20px;
            border: none;
            border-radius: 5px;
            font-weight: bold;
            cursor: pointer;
            text-decoration: none;
            transition: transform 0.3s;
        }
        .btn-download {
            background-color: var(--primary);
            color: white;
        }
        .btn-login {
            background-color: var(--secondary);
            color: white;
        }
        .btn:hover {
            transform: scale(1.05);
        }
        .img-container {
            margin: 20px 0;
            text-align: center;
        }
        .img-container img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 30px 20px;
            margin-top: 40px;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
        }
        .footer-section h4 {
            font-size: 1.2rem;
            margin-bottom: 15px;
            color: var(--accent);
        }
        .footer-section ul {
            list-style: none;
        }
        .footer-section ul li {
            margin-bottom: 8px;
        }
        .footer-section a {
            color: white;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-section a:hover {
            color: var(--accent);
        }
        .copyright {
            text-align: center;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.2);
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: var(--primary);
                flex-direction: column;
                padding: 20px;
                gap: 15px;
                display: none;
            }
            .nav-links.active {
                display: flex;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
        }