/* CSS Variables and Resets */
    :root {
        --primary: #1E88E5;
        --secondary: #FFC107;
        --dark: #0D2B4A;
        --text: #333333;
        --light: #F8F9FA;
        --white: #FFFFFF;
        --border: #E0E0E0;
    }
    * { margin: 0; padding: 0; box-sizing: border-box; }
    body { font-family: 'Nunito', sans-serif; color: var(--text); background-color: var(--light); line-height: 1.6; }
    a { text-decoration: none; }
    ul { list-style: none; }
    html { scroll-behavior: smooth; }
    
    /* Navbar */
    .navbar { display: flex; justify-content: space-between; align-items: center; padding: 15px 5%; background: var(--white); position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
    .nav-logo { font-size: 24px; font-weight: 800; color: var(--primary); display: flex; align-items: center; gap: 10px; }
    .nav-links { display: flex; gap: 30px; font-weight: 600; }
    .nav-links a { color: var(--text); transition: color 0.3s; }
    .nav-links a:hover { color: var(--primary); }
    .nav-contact { font-weight: 700; color: #28a745; display: flex; align-items: center; gap: 8px; font-size: 18px; }
    
    /* Hero */
    .hero { background: linear-gradient(135deg, #1E88E5 0%, #1565C0 100%); color: var(--white); padding: 80px 5% 140px; position: relative; overflow: hidden; display: flex; justify-content: space-between; align-items: center; }
    .hero-content { max-width: 600px; z-index: 2; }
    .hero h1 { font-size: 46px; line-height: 1.2; margin-bottom: 20px; font-weight: 800; }
    .hero h1 .highlight { color: var(--secondary); display: block; }
    .hero p { font-size: 16px; margin-bottom: 30px; opacity: 0.9; line-height: 1.8;}
    .hero-info { margin-bottom: 30px; font-size: 15px; }
    .hero-info div { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
    .btn-group { display: flex; gap: 15px; }
    .btn { padding: 12px 25px; border-radius: 8px; font-weight: 700; font-size: 16px; cursor: pointer; transition: all 0.3s; border: none; display: inline-flex; align-items: center; gap: 8px; }
    .btn-primary { background: var(--secondary); color: var(--text); }
    .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 5px 15px rgba(255,193,7,0.4); }
    .btn-outline { background: transparent; color: var(--white); border: 2px solid var(--white); }
    .btn-outline:hover { background: var(--white); color: var(--primary); }
    
    .hero-image { flex: 1; display: flex; justify-content: center; position: relative; z-index: 2; margin-left: 40px; }
    .hero-image img { width: 100%; max-width: 550px; border-radius: 20px; box-shadow: 0 20px 40px rgba(0,0,0,0.2); }
    
    /* Decorative Wave */
    .wave { position: absolute; bottom: -5px; left: 0; width: 100%; height: auto; z-index: 1;}
    
    /* Sections General */
    .section { padding: 80px 5%; text-align: center; }
    .section-title { font-size: 32px; font-weight: 800; color: var(--dark); margin-bottom: 40px; position: relative; display: inline-block; }
    .section-title::after { content: ''; position: absolute; width: 60px; height: 4px; background: var(--secondary); bottom: -10px; left: 50%; transform: translateX(-50%); border-radius: 2px; }
    
    /* Keunggulan */
    .features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; max-width: 1200px; margin: 0 auto; }
    .feature-card { background: var(--white); padding: 40px 20px; border-radius: 16px; box-shadow: 0 5px 20px rgba(0,0,0,0.05); transition: transform 0.3s, box-shadow 0.3s; }
    .feature-card:hover { transform: translateY(-10px); box-shadow: 0 15px 30px rgba(0,0,0,0.1); }
    .feature-icon { width: 70px; height: 70px; background: rgba(30, 136, 229, 0.1); color: var(--primary); border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 30px; margin: 0 auto 20px; }
    .feature-title { font-size: 18px; font-weight: 700; color: var(--dark); margin-bottom: 15px; }
    .feature-desc { font-size: 14px; color: #666; }
    
    /* Program Les */
    .programs-bg { background: #f0f4f8; }
    .programs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; max-width: 1200px; margin: 0 auto; }
    .program-card { background: var(--white); border-radius: 16px; padding: 40px 30px; border-top: 5px solid var(--primary); text-align: center; box-shadow: 0 5px 20px rgba(0,0,0,0.05); transition: transform 0.3s; }
    .program-card:hover { transform: scale(1.03); }
    .prog-icon { font-size: 45px; color: var(--primary); margin-bottom: 20px; }
    .prog-title { font-size: 20px; font-weight: 800; margin-bottom: 15px; color: var(--dark); min-height: 50px; }
    .prog-desc { font-size: 14px; color: #666; margin-bottom: 25px; min-height: 60px; }
    .prog-price { font-size: 32px; font-weight: 800; color: var(--primary); margin-bottom: 25px; }
    .prog-price span { font-size: 14px; font-weight: 400; color: #666; }
    .btn-select { background: transparent; border: 2px solid var(--primary); color: var(--primary); padding: 12px 0; width: 100%; border-radius: 8px; font-weight: 700; cursor: pointer; transition: 0.3s; font-size: 16px; }
    .program-card:hover .btn-select { background: var(--primary); color: var(--white); }
    
    /* Stats Banner */
    .stats { background: var(--secondary); color: var(--white); padding: 40px 5%; display: flex; justify-content: space-around; max-width: 1100px; margin: -50px auto 40px; border-radius: 16px; position: relative; z-index: 10; box-shadow: 0 10px 30px rgba(246, 188, 16, 0.3); flex-wrap: wrap; gap: 30px;}
    .stat-item { display: flex; align-items: center; gap: 15px; }
    .stat-icon { font-size: 40px; opacity: 0.9; }
    .stat-info { text-align: left; }
    .stat-info h3 { font-size: 30px; font-weight: 800; line-height: 1.2; }
    .stat-info p { font-size: 14px; opacity: 0.9; }

    /* Testimonials */
    .testi-grid { display: flex; gap: 30px; justify-content: center; max-width: 1200px; margin: 0 auto; flex-wrap: wrap;}
    .testi-card { background: var(--white); padding: 30px; border-radius: 16px; width: 350px; box-shadow: 0 5px 20px rgba(0,0,0,0.05); text-align: left; position: relative;}
    .stars { color: var(--secondary); margin-bottom: 15px; font-size: 18px; }
    .quote { font-style: italic; color: #555; margin-bottom: 20px; line-height: 1.7; }
    .user { display: flex; align-items: center; gap: 15px; }
    .user img { width: 50px; height: 50px; border-radius: 50%; object-fit: cover; }
    .user h4 { font-size: 16px; font-weight: 700; color: var(--dark); }
    
    /* FAQ & Form Section */
    .bottom-section { display: flex; gap: 50px; max-width: 1200px; margin: 0 auto; text-align: left; padding: 80px 5%; flex-wrap: wrap; }
    .faq-col { flex: 1; min-width: 300px; }
    .form-col { flex: 1; min-width: 350px; }
    
    .faq-item { background: var(--white); margin-bottom: 15px; border-radius: 10px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); overflow: hidden; }
    .faq-question { padding: 20px; font-weight: 700; color: var(--dark); cursor: pointer; display: flex; justify-content: space-between; align-items: center; transition: background 0.3s; }
    .faq-question:hover { background: #f8fafd; }
    .faq-answer { padding: 0 20px 20px; font-size: 15px; color: #555; display: none; line-height: 1.6; }
    
    .form-card { background: var(--white); padding: 40px; border-radius: 20px; box-shadow: 0 10px 40px rgba(0,0,0,0.08); border-top: 6px solid var(--primary); }
    .form-title { font-size: 24px; font-weight: 800; color: var(--dark); margin-bottom: 10px; }
    .form-desc { font-size: 14px; color: #666; margin-bottom: 25px; }
    
    .form-group { margin-bottom: 20px; position: relative; }
    .form-group i { position: absolute; top: 14px; left: 15px; color: #aaa; }
    .form-control { width: 100%; padding: 12px 15px 12px 45px; border: 1px solid var(--border); border-radius: 8px; font-family: inherit; font-size: 14px; transition: 0.3s; }
    .form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(30,136,229,0.1); }
    
    .form-row { display: flex; gap: 15px; }
    .form-row .form-group { flex: 1; }
    .form-row .form-control { padding-left: 15px; } /* no icon padding for selects */
    
    .total-box { background: #f4f8fc; padding: 20px; border-radius: 8px; margin-bottom: 25px; display: flex; justify-content: space-between; align-items: center; border-left: 4px solid var(--primary); }
    .total-box label { font-weight: 700; color: var(--dark); font-size: 14px; }
    .total-box span { display: block; font-size: 12px; color: #666; margin-top: 3px;}
    .total-price { font-size: 28px; font-weight: 800; color: var(--primary); }
    
    .btn-submit { width: 100%; background: var(--secondary); color: var(--text); padding: 15px; border: none; border-radius: 8px; font-weight: 800; font-size: 18px; cursor: pointer; transition: 0.3s; display: flex; justify-content: center; align-items: center; gap: 10px; }
    .btn-submit:hover { background: #e0a800; transform: translateY(-2px); box-shadow: 0 5px 15px rgba(255,193,7,0.3); }
    .form-note { font-size: 13px; color: #666; margin-top: 20px; display: flex; gap: 10px; align-items: flex-start; background: #fcfcfc; padding: 15px; border-radius: 8px; border: 1px dashed #ccc;}
    .form-note i { color: var(--primary); margin-top: 3px; }
    
    /* Footer */
    .footer { background: var(--dark); color: var(--white); padding: 70px 5% 30px; }
    .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; max-width: 1200px; margin: 0 auto 50px; }
    .footer-col h4 { font-size: 20px; font-weight: 700; margin-bottom: 25px; color: var(--secondary); }
    .footer-col p { font-size: 15px; color: #d0dbe5; margin-bottom: 20px; line-height: 1.8; }
    .footer-links { display: flex; flex-direction: column; gap: 15px; }
    .footer-links a { color: #d0dbe5; font-size: 15px; display: flex; align-items: center; gap: 12px; }
    .footer-links a:hover { color: var(--secondary); }
    .social-icons { display: flex; gap: 15px; margin-top: 20px; }
    .social-icons a { width: 40px; height: 40px; background: rgba(255,255,255,0.05); display: flex; justify-content: center; align-items: center; border-radius: 50%; color: var(--white); transition: 0.3s; font-size: 16px;}
    .social-icons a:hover { background: var(--secondary); color: var(--dark); transform: translateY(-3px);}
    .copyright { text-align: center; padding-top: 25px; border-top: 1px solid rgba(255,255,255,0.1); font-size: 14px; color: #8fa6ba; }

    /* Typewriter Logic (CSS visually only) */
    .typewriter h1 { overflow: hidden; border-right: .15em solid var(--secondary); white-space: nowrap; letter-spacing: .02em; animation: typing 2.5s steps(40, end), blink-caret .75s step-end infinite; }
    @keyframes blink-caret { from, to { border-color: transparent } 50% { border-color: var(--secondary); } }
    
    /* Responsive */
    @media (max-width: 991px) {
        .hero { flex-direction: column; padding-top: 50px; text-align: center; }
        .hero-info { display: flex; flex-direction: column; align-items: center; }
        .btn-group { justify-content: center; }
        .hero-image { margin-left: 0; margin-top: 50px; }
        .nav-links, .nav-contact { display: none; } /* Simplified for mobile layout */
        .bottom-section { flex-direction: column; gap: 40px;}
        .stats { margin-top: 0; border-radius: 0; }
    }