    /* Reset & basic */
        html {
            scroll-behavior: smooth;
        }
        * { margin:0; padding:0; box-sizing:border-box; }
        body { 
            font-family: Arial, sans-serif; 
            line-height: 1.6; 
            background: #f7f7f7; 
            color: #333; 
            display: flex; 
            min-height: 100vh; 
            flex-direction: column; /* Menggunakan kolom sebagai default */
        }

        /* --- Sidebar --- */
        .sidebar {
            width: 250px;
            background: #2c3e50;
            color: #fff;
            position: sticky;
            top: 0;
            height: 100vh;
            padding-top: 20px;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }
        .sidebar h2 { text-align:center; margin-bottom: 20px; font-size: 1.5rem; }
        .sidebar nav a {
            display: block;
            padding: 10px 20px;
            color: #fff;
            text-decoration: none;
        }
        .sidebar nav a.active,
        .sidebar nav a:hover { background: #e84e1b; }

        /* --- Hamburger mobile --- */
        .hamburger {
            display: none;
            position: fixed;
            top: 10px;
            left: 10px;
            font-size: 1.3rem;
            background: #2c3e50;
            color: #fff;
            padding: 5px 10px;
            cursor: pointer;
            border-radius: 5px;
            z-index: 1001;
        }

        /* --- Content --- */
        .content {
            flex: 1;
            padding: 30px;
            max-width: 900px;
            margin: auto;
            width: 100%; /* Memastikan konten mengisi 100% lebar yang tersedia */
        }
        .content > p code {
            background: #e84e1b;
            color: #fff;
            padding: 5px 10px;
            border-radius: 4px;
        }
        h1 { font-size: 2rem; margin-bottom: 10px; }
        h2 { color: #e84e1b; margin-top: 40px; }
        code { background: #f4f4f4; padding: 2px 6px; border-radius: 4px; font-family: monospace; }
        pre { background: #f4f4f4; padding: 10px; border-radius: 6px; overflow-x: auto; }
        ul, ol { padding-left: 20px; margin-bottom: 20px; }
        footer { text-align: center; padding: 20px; background: #2c3e50; color: #fff; margin-top: 40px; }
        /* Demo & Download Section */
        #demo-download {
            margin-top: 40px;
            text-align: center;
        }
        
        #demo-download h2 {
            color: #e84e1b;
            margin-bottom: 20px;
            font-size: 1.8rem;
        }
        
        .button-container {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap; 
        }
        
        .button-container .btn {
            display: inline-block;
            padding: 12px 25px;
            font-size: 1rem;
            font-weight: bold;
            border-radius: 6px;
            text-decoration: none;
            transition: all 0.3s ease;
            color: #fff;
        }
        
        .button-container .demo-btn {
            background: #e84e1b;
        }
        
        .button-container .demo-btn:hover {
            background: #d13f0f;
        }
        
        .button-container .download-btn {
            background: #3498db;
        }
        
        .button-container .download-btn:hover {
            background: #217dbb;
        }

        /* --- Perbaikan utama: Mengatur gambar agar responsif --- */
        img {
            max-width: 100%;
            height: auto;
        }

        /* --- Responsive --- */
        @media screen and (max-width: 768px) {
            body { 
                flex-direction: column; /* Mengubah kembali ke kolom untuk mobile */
                min-height: auto; /* Mengatur ulang tinggi minimum */
            }
            .sidebar { 
                position: fixed; 
                top: 0; 
                left: 0; 
                transform: translateX(-100%);
                z-index: 1000;
                height: 100%; /* Memastikan sidebar mengisi seluruh tinggi layar */
            }
            .sidebar.show { transform: translateX(0); }
            .hamburger { display: block; }
            .content { padding: 70px 20px 20px; }
        }

        /* --- Menambahkan media query untuk desktop --- */
        @media screen and (min-width: 769px) {
            body {
                flex-direction: row; /* Mengubah ke baris untuk desktop */
            }
        }
