/* --- Pengaturan Global & Variabel Warna --- */
        :root {
            --hijau-utama: #4A7B3F;
            --coklat-sawit: #C49A6C;
            --kuning-emas: #D3B57A;
            --putih: #FFFFFF;
            --abu-abu-terang: #F4F7F6; /* Warna Cream */
            --abu-abu-teks: #333333;
            --font-utama: 'Poppins', sans-serif;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            /* scroll-behavior: smooth; -> Akan ditangani oleh JS untuk kontrol lebih baik */
        }

        body {
            font-family: var(--font-utama);
            line-height: 1.6;
            color: var(--abu-abu-teks);
            background-color: var(--putih);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        h1, h2, h3 {
            font-weight: 600;
            line-height: 1.2;
        }

        h1 { font-size: 3rem; color: var(--abu-abu-teks); }
        h2 { font-size: 2.5rem; color: var(--hijau-utama); text-align: center; margin-bottom: 40px; }
        h3 { font-size: 1.5rem; color: var(--coklat-sawit); }
        p { margin-bottom: 15px; }

        section {
            padding: 80px 0;
            /* Beri jarak agar tidak tertutup header */
            scroll-margin-top: 80px; 
        }
        
        /* --- Header & Navigasi --- */
        .header {
            background: rgba(74, 123, 63, 0.9);
            color: var(--putih);
            padding: 15px 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .header.scrolled {
            background: var(--hijau-utama);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .navbar .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--putih);
            text-decoration: none;
        }

        .navbar .logo span {
            color: var(--kuning-emas);
        }

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

        .navbar .nav-link {
            color: var(--putih);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .navbar .nav-link:hover {
            color: var(--kuning-emas);
        }

        .hamburger {
            display: none;
            cursor: pointer;
        }

        .bar {
            display: block;
            width: 25px;
            height: 3px;
            margin: 5px auto;
            -webkit-transition: all 0.3s ease-in-out;
            transition: all 0.3s ease-in-out;
            background-color: var(--putih);
        }

        /* --- Beranda (Hero Section) --- */
        #beranda {
            /* PERUBAHAN: Latar belakang menjadi warna cream */
            background-color: var(--abu-abu-terang);
            height: 100vh;
            display: flex;
            align-items: center;
            text-align: center;
            color: var(--abu-abu-teks); /* PERUBAHAN: Teks menjadi abu-abu gelap agar terbaca */
            padding-top: 80px; /* Offset untuk fixed header */
        }

        .hero-content h1 {
            margin-bottom: 20px;
        }

        .hero-content p {
            font-size: 1.25rem;
            max-width: 600px;
            margin: 0 auto 30px auto;
        }

        .cta-button {
            display: inline-block;
            background-color: var(--kuning-emas);
            color: var(--hijau-utama);
            padding: 15px 35px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
        }

        .cta-button:hover {
            background-color: var(--coklat-sawit);
            color: var(--putih);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        
        /* --- Tentang LitPalm --- */
        #tentang {
            background-color: var(--abu-abu-terang);
        }
        
        .about-content {
            /* PERUBAHAN: Layout kembali ke dua kolom, tapi kolom kanan kosong */
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        
        .about-text h2 {
            /* PERUBAHAN: Judul kembali rata kiri */
            text-align: left;
            margin-bottom: 20px;
        }

        .benefits-list {
            list-style: none;
        }

        .benefits-list li {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            font-weight: 500;
        }

        .benefits-list i {
            color: var(--hijau-utama);
            margin-right: 15px;
            font-size: 1.5rem;
        }

        /* --- Produk --- */
        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .product-card {
            background-color: var(--putih);
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.12);
        }

        .product-card-content {
            padding: 25px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .product-card-content h3 {
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .product-card-content p {
            font-size: 0.95rem;
            flex-grow: 1;
        }

        .btn-detail {
            display: inline-block;
            margin-top: 15px;
            background-color: var(--hijau-utama);
            color: var(--putih);
            padding: 10px 20px;
            border-radius: 5px;
            text-decoration: none;
            font-weight: 500;
            transition: background-color 0.3s ease;
            align-self: flex-start;
        }

        .btn-detail:hover {
            background-color: var(--coklat-sawit);
        }

        /* --- Modal untuk Detail Produk --- */
        .modal {
            display: none; 
            position: fixed; 
            z-index: 2000; 
            left: 0;
            top: 0;
            width: 100%; 
            height: 100%; 
            overflow: auto; 
            background-color: rgba(0,0,0,0.6);
            animation: fadeIn 0.3s;
        }

        .modal-content {
            background-color: var(--putih);
            margin: 10% auto; 
            padding: 30px;
            border-radius: 10px;
            width: 80%;
            max-width: 600px;
            position: relative;
            animation: slideIn 0.4s;
        }

        .close {
            color: #aaa;
            position: absolute;
            top: 15px;
            right: 25px;
            font-size: 28px;
            font-weight: bold;
            cursor: pointer;
        }

        .close:hover,
        .close:focus {
            color: var(--abu-abu-teks);
            text-decoration: none;
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        @keyframes slideIn {
            from { transform: translateY(-50px); opacity: 0; }
            to { transform: translateY(0); opacity: 1; }
        }


        /* --- Dampak Lingkungan --- */
        #dampak {
            background-color: var(--abu-abu-terang);
        }

        .impact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .impact-card {
            background-color: var(--putih);
            padding: 30px;
            border-radius: 10px;
            text-align: center;
            border-left: 5px solid var(--kuning-emas);
        }

        .impact-card i {
            font-size: 2.5rem;
            color: var(--hijau-utama);
            margin-bottom: 15px;
        }

        .impact-card h3 {
            font-size: 1.1rem;
            color: var(--coklat-sawit);
        }
        
        /* --- Kontak --- */
        .contact-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: start;
        }

        .contact-form .form-group {
            margin-bottom: 20px;
        }

        .contact-form label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .contact-form input,
        .contact-form textarea {
            width: 100%;
            padding: 12px;
            border-radius: 5px;
            border: 1px solid #ccc;
            font-family: var(--font-utama);
            font-size: 1rem;
        }

        .contact-form textarea {
            resize: vertical;
            min-height: 150px;
        }

        .contact-form button {
            display: inline-block;
            background-color: var(--hijau-utama);
            color: var(--putih);
            padding: 12px 30px;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }

        .contact-form button:hover {
            background-color: var(--coklat-sawit);
        }

        .contact-info h3 {
            margin-bottom: 20px;
        }

        .social-links {
            display: flex;
            gap: 20px;
            margin-top: 30px;
        }

        .social-links a {
            display: inline-flex;
            justify-content: center;
            align-items: center;
            width: 40px;
            height: 40px;
            background-color: var(--abu-abu-terang);
            color: var(--hijau-utama);
            border-radius: 50%;
            text-decoration: none;
            transition: background-color 0.3s ease, color 0.3s ease;
        }

        .social-links a:hover {
            background-color: var(--hijau-utama);
            color: var(--putih);
        }

        /* --- Footer --- */
        .footer {
            background-color: var(--coklat-sawit);
            color: var(--putih);
            text-align: center;
            padding: 20px 0;
        }

        /* --- Responsive Design --- */
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 2rem; }

            .nav-menu {
                position: fixed;
                left: -100%;
                top: 70px;
                flex-direction: column;
                background-color: var(--hijau-utama);
                width: 100%;
                text-align: center;
                transition: 0.3s;
                box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
                padding: 20px 0;
            }

            .nav-menu.active {
                left: 0;
            }

            .hamburger {
                display: block;
            }

            .hamburger.active .bar:nth-child(2) {
                opacity: 0;
            }

            .hamburger.active .bar:nth-child(1) {
                transform: translateY(8px) rotate(45deg);
            }

            .hamburger.active .bar:nth-child(3) {
                transform: translateY(-8px) rotate(-45deg);
            }
            
            .about-content,
            .contact-wrapper {
                grid-template-columns: 1fr;
            }
        }