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

    body {
      font-family: 'Inter', sans-serif;
      background-color: #ffffff;
      color: #0f172a;
      line-height: 1.5;
      scroll-behavior: smooth;
      overflow-x: hidden;
    }

    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 32px;
    }

    /* Typography */
    .highlight {
      color: #f97316;
      position: relative;
      display: inline-block;
    }

    .section-tag {
      display: inline-block;
      background: rgba(10, 37, 64, 0.08);
      color: #0a2540;
      font-weight: 600;
      font-size: 0.85rem;
      letter-spacing: 0.5px;
      padding: 6px 14px;
      border-radius: 40px;
      margin-bottom: 1rem;
      text-transform: uppercase;
    }

    h2 {
      font-size: 2.3rem;
      font-weight: 700;
      letter-spacing: -0.02em;
      margin-bottom: 1rem;
    }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 14px 28px;
      border-radius: 40px;
      font-weight: 600;
      text-decoration: none;
      transition: all 0.3s ease;
      font-size: 1rem;
      cursor: pointer;
      border: none;
    }

    .btn-primary {
      background: linear-gradient(135deg, #0a2540 0%, #1e4a6e 100%);
      color: white;
      box-shadow: 0 10px 20px -5px rgba(10, 37, 64, 0.2);
    }

    .btn-primary:hover {
      background: linear-gradient(135deg, #f97316, #fbbf24);
      transform: translateY(-3px);
      box-shadow: 0 18px 25px -8px rgba(249, 115, 22, 0.4);
    }

    .btn-outline {
      background: transparent;
      border: 2px solid #0a2540;
      color: #0a2540;
    }

    .btn-outline:hover {
      background: #0a2540;
      color: white;
      transform: translateY(-3px);
    }

    .btn-cta {
      background: linear-gradient(95deg, #f97316, #f59e0b);
      color: white;
      font-size: 1.2rem;
      padding: 16px 36px;
      box-shadow: 0 12px 20px -10px rgba(249, 115, 22, 0.5);
    }

    .btn-cta:hover {
      transform: scale(1.02);
      background: linear-gradient(95deg, #ea580c, #d97706);
    }

    /* Navbar */
    .navbar {
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(8px);
      position: sticky;
      top: 0;
      z-index: 1000;
      padding: 16px 0;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
      transition: all 0.2s;
    }

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

    .logo {
      font-size: 1.7rem;
      font-weight: 800;
    }
    .logo-blue { color: #0a2540; }
    .logo-orange { color: #f97316; }

    .nav-links {
      display: flex;
      gap: 32px;
      list-style: none;
      align-items: center;
    }
    .nav-links a {
      text-decoration: none;
      color: #1e293b;
      font-weight: 500;
      transition: 0.2s;
    }
    .nav-links a:hover { color: #f97316; }
    .nav-cta {
      background: #0a2540;
      color: white !important;
      padding: 8px 20px;
      border-radius: 40px;
    }
    .hamburger {
      display: none;
      font-size: 1.8rem;
      cursor: pointer;
    }

    /* Hero */
    .hero {
      position: relative;
      background: linear-gradient(110deg, #f8fafc 0%, #eef2ff 100%);
      padding: 100px 0 120px;
      overflow: hidden;
    }
    .hero-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 60px;
      flex-wrap: wrap;
    }
    .hero-content { flex: 1.2; }
    .hero-badge {
      background: rgba(249, 115, 22, 0.12);
      color: #f97316;
      padding: 6px 16px;
      border-radius: 100px;
      font-weight: 500;
      font-size: 0.85rem;
      display: inline-block;
    }
    .hero-title {
      font-size: 3.8rem;
      margin: 20px 0 12px;
      background: linear-gradient(135deg, #0a2540, #f97316);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }
    .hero-tagline { font-size: 1.5rem; color: #334155; margin-bottom: 32px; font-weight: 500; }
    .hero-buttons { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 40px; }
    .hero-stats { display: flex; gap: 40px; margin-top: 20px; }
    .hero-stats div { font-weight: 500; color: #475569; }
    .hero-stats span { font-weight: 800; font-size: 1.8rem; color: #0a2540; display: block; }
    .hero-visual { flex: 1; position: relative; min-height: 320px; }
    .floating-card {
      position: absolute;
      background: white;
      padding: 12px 24px;
      border-radius: 60px;
      font-weight: 600;
      box-shadow: 0 20px 35px -15px rgba(0, 0, 0, 0.1);
      display: flex;
      align-items: center;
      gap: 12px;
      backdrop-filter: blur(2px);
      animation: float 6s infinite ease-in-out;
    }
    .card-1 { top: 10%; left: 0; background: #0a2540; color: white; }
    .card-2 { top: 50%; right: 0; background: #f97316; color: white; animation-delay: 1s; }
    .card-3 { bottom: 15%; left: 15%; background: white; animation-delay: 2s; }
    @keyframes float {
      0% { transform: translateY(0px); }
      50% { transform: translateY(-12px); }
      100% { transform: translateY(0px); }
    }

    /* About */
    .about {
      padding: 90px 0;
      background: white;
    }
    .about-grid {
      display: grid;
      grid-template-columns: 1fr 0.8fr;
      gap: 50px;
      align-items: center;
    }
    .about-text p { margin-bottom: 20px; color: #334155; font-size: 1.05rem; }
    .about-stats-card {
      background: #fbf0e8;
      border-radius: 32px;
      padding: 36px;
      display: flex;
      flex-direction: column;
      gap: 30px;
    }
    .stat-item { display: flex; align-items: center; gap: 16px; }
    .stat-item i { font-size: 2rem; color: #f97316; background: white; padding: 14px; border-radius: 24px; box-shadow: 0 8px 12px -8px rgba(0,0,0,0.05);}
    .stat-item h3 { font-size: 1.3rem; margin-bottom: 4px;}

    /* Features */
    .features {
      background: #f9fafb;
      padding: 90px 0;
    }
    .section-header { text-align: center; margin-bottom: 60px; }
    .features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
    }
    .feature-card {
      background: white;
      border-radius: 28px;
      padding: 32px 24px;
      text-align: center;
      transition: all 0.25s ease;
      box-shadow: 0 5px 20px rgba(0,0,0,0.02);
      border: 1px solid #eef2ff;
    }
    .feature-card:hover { transform: translateY(-8px); box-shadow: 0 20px 30px -12px rgba(0,0,0,0.1); border-color: #f9731630; }
    .feature-icon { font-size: 2.8rem; color: #0a2540; margin-bottom: 20px; }
    .feature-card h3 { margin-bottom: 12px; font-size: 1.4rem; }

    /* Courses */
    .courses {
      padding: 90px 0;
      background: white;
    }
    .courses-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .course-card {
      background: #ffffff;
      border-radius: 28px;
      padding: 28px;
      transition: all 0.3s;
      border: 1px solid #e2e8f0;
      box-shadow: 0 8px 16px -8px rgba(0,0,0,0.05);
    }
    .course-card:hover { transform: translateY(-6px); border-color: #f97316; box-shadow: 0 20px 30px -12px rgba(249,115,22,0.15);}
    .course-img i { font-size: 2.8rem; background: #eef2ff; padding: 15px; border-radius: 22px; margin-bottom: 20px; color: #0a2540;}
    .course-card h3 { font-size: 1.5rem; margin-bottom: 10px; }
    .course-card p { color: #475569; margin-bottom: 20px; }
    .enroll-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #0a2540;
      padding: 10px 20px;
      border-radius: 40px;
      font-weight: 600;
      text-decoration: none;
      color: white;
      transition: 0.2s;
      border: none;
      cursor: pointer;
      font-size: 0.9rem;
    }
    .enroll-btn:hover { background: #f97316; gap: 12px; transform: scale(1.02); }

    /* Why Us */
    .whyus {
      background: linear-gradient(120deg, #0a2540 0%, #0f2b44 100%);
      color: white;
      padding: 90px 0;
    }
    .whyus-container {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 60px;
      align-items: center;
    }
    .whyus-content .section-tag { background: rgba(255,255,255,0.2); color: #fcd34d; }
    .whyus-content h2 span { color: #f97316; }
    .whyus-grid { margin-top: 32px; display: flex; flex-direction: column; gap: 28px; }
    .why-item { display: flex; gap: 18px; align-items: flex-start; }
    .why-item i { font-size: 1.8rem; background: rgba(249,115,22,0.2); padding: 12px; border-radius: 20px; color: #f97316; }
    .why-item h4 { font-size: 1.2rem; margin-bottom: 6px; }
    .whyus-image img { width: 100%; border-radius: 32px; box-shadow: 0 20px 30px rgba(0,0,0,0.3); }

    /* Testimonials */
    .testimonials {
      background: #ffffff;
      padding: 90px 0;
    }
    .testimonial-slider {
      display: flex;
      flex-wrap: wrap;
      gap: 32px;
      justify-content: center;
    }
    .testimonial-card {
      background: #f8fafc;
      border-radius: 32px;
      padding: 32px;
      flex: 1 1 280px;
      transition: 0.2s;
      border: 1px solid #eef2ff;
    }
    .testimonial-card:hover { background: white; box-shadow: 0 12px 24px -12px rgba(0,0,0,0.08); }
    .quote-icon { color: #f97316; font-size: 2rem; opacity: 0.5; margin-bottom: 16px; display: block; }
    .user { display: flex; gap: 16px; margin-top: 24px; align-items: center; }
    .user img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; }

    /* CTA */
    .cta {
      padding: 70px 0;
      background: #eef2ff;
    }
    .cta-card {
      background: white;
      border-radius: 48px;
      padding: 60px 40px;
      text-align: center;
      box-shadow: 0 30px 40px -20px rgba(0,0,0,0.12);
    }
    .cta-card h2 { font-size: 2.6rem; }
    .cta-small { margin-top: 20px; font-size: 0.85rem; color: #5b6e8c; }

    /* Footer */
    .footer {
      background: #0a2540;
      color: #cbd5e1;
      padding-top: 60px;
    }
    .footer-container {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 48px;
      margin-bottom: 40px;
    }
    .footer-brand .logo { margin-bottom: 16px; }
    .social-links { display: flex; gap: 18px; margin-top: 20px; }
    .social-links a { color: white; background: #1e3a5f; width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; transition: 0.2s; }
    .social-links a:hover { background: #f97316; transform: translateY(-3px); }
    .footer-links h4, .footer-contact h4 { color: white; margin-bottom: 20px; font-size: 1.2rem; }
    .footer-links ul { list-style: none; }
    .footer-links li { margin-bottom: 12px; }
    .footer-links a { color: #cbd5e1; text-decoration: none; }
    .footer-links a:hover { color: #f97316; }
    .footer-contact p { margin-bottom: 12px; display: flex; gap: 12px; align-items: center; }
    .footer-bottom {
      border-top: 1px solid #1e3a5f;
      padding: 24px 0;
      text-align: center;
      font-size: 0.85rem;
    }

    /* WhatsApp Float */
    .whatsapp-float {
      position: fixed;
      bottom: 30px;
      left: 30px;
      background-color: #25D366;
      color: white;
      width: 60px;
      height: 60px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 2rem;
      box-shadow: 0 6px 16px rgba(0,0,0,0.2);
      transition: all 0.2s;
      z-index: 999;
      text-decoration: none;
      cursor: pointer;
    }
    .whatsapp-float:hover {
      transform: scale(1.1);
      background-color: #20b859;
    }
    .scroll-top {
      position: fixed;
      bottom: 30px;
      right: 30px;
      background-color: #f97316;
      color: white;
      width: 48px;
      height: 48px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      box-shadow: 0 6px 16px rgba(0,0,0,0.15);
      z-index: 999;
      opacity: 0;
      transition: opacity 0.3s, transform 0.2s;
      pointer-events: none;
    }
    .scroll-top.visible {
      opacity: 1;
      pointer-events: auto;
    }
    .scroll-top:hover {
      transform: scale(1.1);
      background-color: #ea580c;
    }

    @media (max-width: 1024px) {
      .hero-container { flex-direction: column; text-align: center; }
      .hero-stats { justify-content: center; }
      .about-grid { grid-template-columns: 1fr; }
      .whyus-container { grid-template-columns: 1fr; }
      .hero-visual { display: none; }
      h2 { font-size: 1.9rem; }
    }
    @media (max-width: 768px) {
      .nav-links { display: none; flex-direction: column; background: white; position: absolute; top: 70px; left: 0; width: 100%; padding: 24px; box-shadow: 0 10px 20px rgba(0,0,0,0.05); gap: 20px; }
      .nav-links.active { display: flex; }
      .hamburger { display: block; }
      .hero-title { font-size: 2.2rem; }
      .hero-tagline { font-size: 1.2rem; }
      .container { padding: 0 24px; }
      .cta-card { padding: 30px 20px; }
    }