/* ------------------------------------
           1. RESET & DESIGN SYSTEM VARIABEL
        --------------------------------------- */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        :root {
            --warna-biru-logo: #0056b3;
            --warna-biru-terang: #007bff;
            --warna-biru-hover: #004494;
            --warna-biru-gradient: linear-gradient(135deg, #0056b3, #4a90e2);
            --warna-latar-putih: #FFFFFF;
            --warna-latar-terang: #F8FBFE;
            --warna-latar-abu: #f0f5fa;
            --warna-teks-gelap: #1E293B;
            --warna-teks-setengah: #64748B;
            --warna-garis: #E2E8F0;
            --warna-bayangan: rgba(0, 86, 179, 0.15);
        }

        body {
            background-color: var(--warna-latar-terang);
            color: var(--warna-teks-gelap);
            overflow-x: hidden;
            line-height: 1.7;
        }

        /* ------------------------------------
           2. HEADER & NAVIGATION
        --------------------------------------- */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
            z-index: 1000;
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--warna-garis);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 14px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo-container {
            display: flex;
            align-items: center;
            height: 40px;
        }

        .logo-img {
            height: 100%;
            width: auto;
            object-fit: contain;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 30px;
            align-items: center;
        }

        .nav-link {
            text-decoration: none;
            color: var(--warna-teks-gelap);
            font-weight: 600;
            font-size: 15px;
            transition: all 0.3s ease;
            padding: 6px 12px;
            border-radius: 4px;
        }

        .nav-link:hover {
            color: var(--warna-biru-logo);
            background-color: rgba(0, 86, 179, 0.08);
        }

        .nav-link.active {
            background-color: var(--warna-biru-logo);
            color: white;
        }

        /* ------------------------------------
           3. KONTEN UTAMA
        --------------------------------------- */
        main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 120px 20px 60px;
        }

        .product-section {
            background: var(--warna-latar-putih);
            padding: 30px;
            margin-bottom: 30px;
            border-radius: 12px;
            box-shadow: 0 3px 12px var(--warna-bayangan);
        }

        h1 {
            font-size: 32px;
            color: var(--warna-biru-logo);
            margin-bottom: 25px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--warna-garis);
        }

        h2 {
            font-size: 24px;
            color: var(--warna-biru-logo);
            margin: 30px 0 15px;
        }

        h3 {
            font-size: 20px;
            color: var(--warna-teks-gelap);
            margin: 25px 0 12px;
        }

        p {
            font-size: 16px;
            color: var(--warna-teks-gelap);
            margin-bottom: 15px;
            text-align: justify;
        }

        ul {
            padding-left: 25px;
            margin-bottom: 20px;
        }

        ul li {
            margin-bottom: 10px;
            color: var(--warna-teks-gelap);
        }

        /* ------------------------------------
           4. TABEL PERANGKAT
        --------------------------------------- */
        .table-container {
            overflow-x: auto;
            margin-top: 20px;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            background: var(--warna-latar-putih);
        }

        th,
        td {
            border: 1px solid var(--warna-garis);
            padding: 14px 16px;
            text-align: left;
            font-size: 15px;
        }

        th {
            background-color: var(--warna-biru-logo);
            color: white;
            font-weight: 600;
        }

        tr:nth-child(even) {
            background-color: var(--warna-latar-abu);
        }

        tr:hover {
            background-color: rgba(0, 86, 179, 0.05);
        }

        /* Ukuran gambar produk */
        .product-img-9-16 {
            width: 50px;
            height: 90px;
            object-fit: cover;
            border-radius: 4px;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
        }

        .product-img-16-9 {
            width: 120px;
            height: 80px;
            object-fit: cover;
            border-radius: 4px;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
        }

        /* Kotak catatan */
        .note-box {
            background-color: #d1ecf1;
            color: #0c5460;
            padding: 18px;
            border-left: 5px solid #17a2b8;
            border-radius: 6px;
            margin-top: 25px;
        }

        /* ------------------------------------
           5. FOOTER
        --------------------------------------- */
        footer {
            background-color: var(--warna-biru-logo);
            color: white;
            text-align: center;
            padding: 20px;
            margin-top: 40px;
        }

        /* ------------------------------------
           6. RESPONSIF
        --------------------------------------- */
        @media (max-width: 768px) {
            h1 {
                font-size: 26px;
            }

            h2 {
                font-size: 20px;
            }

            h3 {
                font-size: 18px;
            }

            .product-section {
                padding: 20px;
            }

            th,
            td {
                padding: 10px;
                font-size: 14px;
            }

            .nav-menu {
                gap: 10px;
            }

            .nav-link {
                font-size: 14px;
                padding: 4px 8px;
            }
        }

        /* ====================================
   STYLE HEADER RESPONSIF
==================================== */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: #ffffff;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            z-index: 999;
            border-bottom: 1px solid #e2e8f0;
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 12px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            /* Agar elemen bisa turun baris jika perlu */
        }

        .logo-container {
            display: flex;
            align-items: center;
            height: 42px;
        }

        .logo-img {
            height: 100%;
            width: auto;
            object-fit: contain;
        }

        /* Tombol Garis Tiga */
        .menu-toggle {
            display: none;
            /* Sembunyi di layar besar */
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

        .menu-toggle span {
            width: 26px;
            height: 3px;
            background-color: #0056b3;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        /* Daftar Menu */
        .nav-menu {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .nav-link {
            text-decoration: none;
            color: #334155;
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 4px;
            transition: all 0.25s ease;
        }

        .nav-link:hover {
            background-color: rgba(0, 86, 179, 0.08);
            color: #0056b3;
        }

        .nav-link.active {
            background-color: #2980b9;
            color: #ffffff;
        }

        /* ====================================
   ATURAN UNTUK LAYAR HP / PORTRAIT
==================================== */
        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
                /* Tampilkan tombol garis tiga */
            }

            .nav-menu {
                width: 100%;
                flex-direction: column;
                gap: 12px;
                margin-top: 15px;
                padding: 15px 0;
                background-color: #f8fafc;
                border-radius: 6px;
                box-shadow: 0 3px 6px rgba(0, 0, 0, 0.05);
                display: none;
                /* Sembunyi secara default */
            }

            .nav-menu.show {
                display: flex;
                /* Tampilkan jika diklik */
            }

            .nav-link {
                width: 100%;
                text-align: center;
                padding: 10px;
            }

            /* Beri jarak pada konten utama agar tidak tertutup header */
            main {
                padding-top: 90px !important;
            }
        }