 /* Reset dan variabel */
        :root {
            --primary: #6C63FF;
            --secondary: #FF6584;
            --accent: #36D1DC;
            --dark: #2D2B55;
            --light: #F5F5F7;
            --text: #333333;
            --text-light: #777777;
            --white: #FFFFFF;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background-color: var(--light);
            color: var(--text);
            line-height: 1.6;
            overflow-x: hidden;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header dan Navigasi */
        header {
            background-color: var(--white);
            box-shadow: var(--shadow);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--primary);
        }

        .logo i {
            margin-right: 8px;
            font-size: 1.8rem;
        }

        .nav-links {
            display: flex;
            list-style: none;
        }

        .nav-links li {
            margin-left: 30px;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text);
            font-weight: 500;
            transition: var(--transition);
        }

        .nav-links a:hover {
            color: var(--primary);
        }

        .auth-buttons {
            display: flex;
            align-items: center;
        }

        .btn {
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            font-size: 0.9rem;
        }

        .btn-login {
            background-color: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            margin-right: 15px;
        }

        .btn-login:hover {
            background-color: var(--primary);
            color: var(--white);
        }

        .btn-signup {
            background-color: var(--primary);
            color: var(--white);
        }

        .btn-signup:hover {
            background-color: #5a52e0;
            transform: translateY(-2px);
        }

        .menu-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            padding: 150px 0 100px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: var(--white);
            border-radius: 0 0 30px 30px;
            margin-bottom: 80px;
        }

        .hero-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .hero-text {
            flex: 1;
            padding-right: 40px;
        }

        .hero-image {
            flex: 1;
            text-align: center;
        }

        .hero-image img {
            max-width: 100%;
            border-radius: 20px;
            box-shadow: var(--shadow);
        }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            opacity: 0.9;
        }

        .btn-hero {
            background-color: var(--secondary);
            color: var(--white);
            padding: 12px 30px;
            font-size: 1rem;
        }

        .btn-hero:hover {
            background-color: #ff4d6d;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }

        /* Fitur Section */
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-title h2 {
            font-size: 2.5rem;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .section-title p {
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
        }

        .features {
            padding: 80px 0;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .feature-card {
            background-color: var(--white);
            border-radius: 15px;
            padding: 30px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            text-align: center;
        }

        .feature-card:hover {
            transform: translateY(-10px);
        }

        .feature-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
        }

        .feature-icon i {
            font-size: 1.8rem;
            color: var(--white);
        }

        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--dark);
        }

        .feature-card p {
            color: var(--text-light);
        }

        /* Courses Section */
        .courses {
            padding: 80px 0;
            background-color: var(--white);
        }

        .courses-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .course-card {
            background-color: var(--light);
            border-radius: 15px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .course-card:hover {
            transform: translateY(-5px);
        }

        .course-image {
            height: 180px;
            background-color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 1.5rem;
            font-weight: 600;
        }

        .course-content {
            padding: 20px;
        }

        .course-category {
            display: inline-block;
            background-color: rgba(108, 99, 255, 0.1);
            color: var(--primary);
            padding: 5px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
            margin-bottom: 10px;
        }

        .course-card h3 {
            font-size: 1.3rem;
            margin-bottom: 10px;
        }

        .course-info {
            display: flex;
            justify-content: space-between;
            color: var(--text-light);
            font-size: 0.9rem;
            margin-bottom: 15px;
        }

        .course-price {
            font-weight: 700;
            color: var(--secondary);
            font-size: 1.2rem;
        }

        /* Testimonial Section */
        .testimonials {
            padding: 80px 0;
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .testimonial-card {
            background-color: var(--white);
            border-radius: 15px;
            padding: 30px;
            box-shadow: var(--shadow);
            position: relative;
        }

        .testimonial-card::before {
            content: """;
            font-size: 5rem;
            color: rgba(108, 99, 255, 0.1);
            position: absolute;
            top: 10px;
            left: 20px;
            line-height: 1;
        }

        .testimonial-text {
            margin-bottom: 20px;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
        }

        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary);
            margin-right: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-weight: 600;
        }

        .author-info h4 {
            font-size: 1.1rem;
            margin-bottom: 5px;
        }

        .author-info p {
            color: var(--text-light);
            font-size: 0.9rem;
        }

        /* CTA Section */
        .cta {
            padding: 100px 0;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: var(--white);
            text-align: center;
            border-radius: 30px;
            margin: 80px 0;
        }

        .cta h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }

        .cta p {
            font-size: 1.2rem;
            max-width: 600px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }

        .btn-cta {
            background-color: var(--secondary);
            color: var(--white);
            padding: 15px 40px;
            font-size: 1.1rem;
        }

        .btn-cta:hover {
            background-color: #ff4d6d;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }

        /* Footer */
        footer {
            background-color: var(--dark);
            color: var(--white);
            padding: 60px 0 30px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-column h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-column h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 40px;
            height: 3px;
            background-color: var(--primary);
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #bbbbbb;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--primary);
            padding-left: 5px;
        }

        .social-links {
            display: flex;
            margin-top: 20px;
        }

        .social-links a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 10px;
            transition: var(--transition);
        }

        .social-links a:hover {
            background-color: var(--primary);
            transform: translateY(-3px);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #bbbbbb;
            font-size: 0.9rem;
        }

        /* Modal Login */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 2000;
            align-items: center;
            justify-content: center;
        }

        .modal-content {
            background-color: var(--white);
            border-radius: 15px;
            width: 90%;
            max-width: 400px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            position: relative;
            animation: modalFade 0.3s;
        }

        @keyframes modalFade {
            from { opacity: 0; transform: translateY(-50px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .close-modal {
            position: absolute;
            top: 15px;
            right: 15px;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-light);
        }

        .modal h2 {
            text-align: center;
            margin-bottom: 20px;
            color: var(--dark);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #dddddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.2);
        }

        .btn-login-modal {
            width: 100%;
            background-color: var(--primary);
            color: var(--white);
            padding: 12px;
            margin-top: 10px;
        }

        .btn-login-modal:hover {
            background-color: #5a52e0;
        }

        .form-footer {
            text-align: center;
            margin-top: 20px;
            font-size: 0.9rem;
        }

        .form-footer a {
            color: var(--primary);
            text-decoration: none;
        }

        /* Responsif */
        @media (max-width: 992px) {
            .hero-content {
                flex-direction: column;
            }
            
            .hero-text {
                padding-right: 0;
                margin-bottom: 40px;
                text-align: center;
            }
            
            .hero h1 {
                font-size: 2.5rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links, .auth-buttons {
                display: none;
            }
            
            .menu-toggle {
                display: block;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
        }

        @media (max-width: 576px) {
            .hero {
                padding: 120px 0 60px;
            }
            
            .features, .courses, .testimonials {
                padding: 60px 0;
            }
            
            .cta {
                padding: 60px 20px;
            }
            
            .cta h2 {
                font-size: 2rem;
            }
        }

        /* Tambahan untuk Vue.js modal */
.modal {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal-enter-active,
.modal-leave-active {
    transition: opacity 0.3s ease;
}

.modal-enter-from,
.modal-leave-to {
    opacity: 0;
}

.modal-content-enter-active,
.modal-content-leave-active {
    transition: all 0.3s ease;
}

.modal-content-enter-from,
.modal-content-leave-to {
    opacity: 0;
    transform: translateY(-50px);
}