                /* Reset Dasar */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Poppins';
        }

        :root {
            --primary-blue: #4014ba; /* Warna biru utama Google-ish */
            --dark-text: #202124;
            --light-text: #5f6368;
            --bg-light: #ffffff;
            --card-shadow: 0 4px 20px rgba(0,0,0,0.08);
        }

        body {
            background-color: var(--bg-light);
            color: var(--dark-text);
        }

        /* --- Navbar Styles --- */
        .navbar {
            background-color: var(--primary-blue);
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 5%;
            color: white;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            gap: 2px;
            margin-left: -700px;
        }

        .nav-links {
            list-style: none;
            display: flex;
            gap: 30px;
        }

        .nav-links a {
            text-decoration: none;
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.95rem;
            font-weight: 500;
            transition: color 0.3s;
        }

        .nav-links a:hover {
            color: white;
        }

        .btn-login {
            background-color: white;
            color: var(--primary-blue);
            padding: 8px 24px;
            border-radius: 5px;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.9rem;
            transition: background 0.3s;
        }

        .btn-login:hover {
            background-color: #f0f0f0;
        }

        /* --- Hero Section Styles --- */
        .hero {
            background-image:url(WhatsApp\ Image\ 2026-06-08\ at\ 8.17.13\ AM.jpeg) ;
            color: rgb(15, 14, 14);
            text-align: center;
            padding: 60px 20px 100px 20px; /* Padding bawah besar agar luas */
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .badge {
            background-color: rgba(255, 255, 255, 0.2);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            margin-bottom: 20px;
            display: inline-block;
            backdrop-filter: blur(5px);
        }

        .hero h1 {
            font-size: 3rem;
            line-height: 1.2;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .hero p {
            font-size: 1.1rem;
            max-width: 600px;
            margin-bottom: 40px;
            opacity: 0.9;
            line-height: 1.6;
        }

        .hero-buttons {
            display: flex;
            gap: 15px;
        }

        .btn-primary {
            background-color: white;
            color: #1a1a1a;
            padding: 12px 30px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            transition: transform 0.2s;
        }

        .btn-secondary {
            background-color: transparent;
            color: white;
            border: 1px solid rgba(255, 255, 255, 0.5);
            padding: 12px 30px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            transition: background 0.3s;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
        }

        .btn-secondary:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: white;
        }

        /* --- Courses/Subject Section Styles --- */
        .courses-section {
            padding: 60px 5%;
            max-width: 1400px;
            margin: 0 auto;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            color: #1a1a1a; /* Hitam pekat untuk judul */
            margin-bottom: 10px;
        }

        .section-header p {
            color: var(--light-text);
            font-size: 1rem;
        }

        /* Grid Layout untuk Kartu */
        .courses-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            justify-content: center;
        }

        /* Card Styles */
        .course-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            border: 1px solid #f0f0f0;
            transition: transform 0.3s, box-shadow 0.3s;
            display: flex;
            flex-direction: column;
        }

        .course-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.12);
        }

        .card-image {
            height: 180px;
            width: 100%;
            overflow: hidden;
            background-color: #eee;
        }

        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .card-content {
            padding: 25px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .card-content h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--dark-text);
        }

        .card-content p {
            font-size: 0.9rem;
            color: var(--light-text);
            line-height: 1.6;
            margin-bottom: 25px;
            flex-grow: 1; /* Mendorong tombol ke bawah agar rata */
        }

        .btn-learn {
            text-decoration: none;
            color: #333;
            font-weight: 600;
            font-size: 0.9rem;
            border: 1px solid #e0e0e0;
            padding: 10px 20px;
            border-radius: 6px;
            display: inline-block;
            text-align: center;
            transition: all 0.2s;
        }

        .btn-learn:hover {
            border-color: var(--primary-blue);
            color: var(--primary-blue);
            background-color: #f8faff;
        }

        /* --- Responsive Design (Untuk HP) --- */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2rem;
            }
            
            .nav-links {
                display: none; /* Sembunyikan menu di HP untuk simpelnya */
            }

            .hero-buttons {
                flex-direction: column;
                width: 100%;
            }

            .btn-primary, .btn-secondary {
                width: 100%;
                text-align: center;
            }
        }