/* ============================================================
       COMPLETE STYLES - ALL DEVICES
       ============================================================ */

    :root {
      --primary: #f57327;
      --primary-dark: #d45500;
      --primary-gradient: linear-gradient(135deg, #f57327, #d45500);
      --secondary: #1a1a2e;
      --dark: #0d0d1a;
      --shadow: 0 10px 30px rgba(0,0,0,0.08);
      --shadow-hover: 0 15px 40px rgba(245,115,39,0.2);
      --radius: 14px;
    }

    /* ===== RESET ===== */
    * { margin: 0; padding: 0; box-sizing: border-box; }
    html { font-size: 16px; -webkit-text-size-adjust: 100%; }
    body { 
      font-family: 'Poppins', sans-serif; 
      background: #f8f9fa; 
      color: #1e293b; 
      overflow-x: hidden;
    }
    a { text-decoration: none; color: inherit; }
    img { max-width: 100%; display: block; height: auto; }
    ul { list-style: none; }
    .container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

    /* ===== SCROLLBAR ===== */
    ::-webkit-scrollbar { width: 6px; }
    ::-webkit-scrollbar-track { background: #1a1a2e; }
    ::-webkit-scrollbar-thumb { background: var(--primary-gradient); border-radius: 10px; }
    @media (max-width: 768px) {
    }

    @media (min-width: 993px) {
    }

    @media (max-width: 992px) {
    }

    @media (max-width: 480px) {
    }

    /* ============================================================
       HERO BANNER
       ============================================================ */
    .hero-banner {
      background: linear-gradient(135deg, #0a0a1a 0%, #1a1a3e 50%, #0d0d2b 100%);
      padding: 60px 0 40px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .hero-banner .hero-badge {
      display: inline-block;
      background: var(--primary-gradient);
      color: #fff;
      padding: 4px 16px;
      border-radius: 50px;
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      margin-bottom: 12px;
      position: relative;
      z-index: 1;
    }
    .hero-banner h1 {
      font-size: 2.4rem;
      font-weight: 900;
      line-height: 1.15;
      color: #fff;
      position: relative;
      z-index: 1;
    }
    .hero-banner h1 .highlight {
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-banner p {
      color: rgba(255,255,255,0.7);
      font-size: 0.9rem;
      line-height: 1.7;
      max-width: 700px;
      margin: 12px auto 0;
      position: relative;
      z-index: 1;
    }
    .hero-banner .hero-stats {
      display: flex;
      justify-content: center;
      gap: 20px;
      margin-top: 20px;
      position: relative;
      z-index: 1;
      flex-wrap: wrap;
    }
    .hero-banner .hero-stats .stat .num {
      font-size: 1.8rem;
      font-weight: 800;
      color: var(--primary);
    }
    .hero-banner .hero-stats .stat .label {
      font-size: 0.75rem;
      color: rgba(255,255,255,0.6);
    }
    .hero-btns {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      margin-top: 25px;
      position: relative;
      z-index: 1;
    }
    .btn-primary {
      display: inline-block;
      background: var(--primary-gradient);
      color: #fff;
      padding: 10px 28px;
      border-radius: 50px;
      font-weight: 700;
      transition: all 0.3s ease;
      box-shadow: 0 8px 25px rgba(245,115,39,0.35);
      font-size: 13px;
    }
    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 35px rgba(245,115,39,0.5);
      color: #fff;
    }
    .btn-outline {
      display: inline-block;
      background: transparent;
      color: #fff;
      padding: 10px 28px;
      border-radius: 50px;
      font-weight: 700;
      border: 2px solid rgba(255,255,255,0.2);
      transition: all 0.3s ease;
      font-size: 13px;
    }
    .btn-outline:hover {
      background: rgba(255,255,255,0.08);
      border-color: var(--primary);
      color: #fff;
    }
    @media (max-width: 480px) {
      .hero-banner { padding: 40px 0 30px; }
      .hero-banner h1 { font-size: 1.8rem; }
      .hero-banner p { font-size: 0.8rem; }
      .hero-banner .hero-stats { gap: 12px; }
      .hero-banner .hero-stats .stat .num { font-size: 1.4rem; }
      .btn-primary, .btn-outline { padding: 8px 20px; font-size: 12px; }
    }

    /* ============================================================
       SECTION TITLE
       ============================================================ */
    .section-title {
      font-size: 1.8rem;
      font-weight: 800;
      text-align: center;
      position: relative;
      display: inline-block;
    }
    .section-title::after {
      content: '';
      position: absolute;
      bottom: -6px;
      left: 50%;
      transform: translateX(-50%);
      width: 50px;
      height: 3px;
      background: var(--primary-gradient);
      border-radius: 4px;
    }
    .section-title .highlight {
      background: var(--primary-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .section-subtitle {
      text-align: center;
      color: #6c757d;
      max-width: 700px;
      margin: 10px auto 0;
      font-size: 0.85rem;
    }
    @media (min-width: 768px) {
      .section-title { font-size: 2.2rem; }
      .section-title::after { width: 70px; height: 3px; }
    }

    /* ============================================================
       DEMO CLASSES - GRID LAYOUT (NO SCROLLING)
       ============================================================ */
    .demo-section {
      padding: 50px 0 40px;
      background: #f5f7fb;
    }
    .demo-section.bg-white { background: #fff; }

    .demo-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 20px;
      margin-top: 24px;
    }

    @media (min-width: 576px) {
      .demo-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
      }
    }

    @media (min-width: 992px) {
      .demo-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 25px;
      }
    }

    @media (min-width: 1200px) {
      .demo-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 25px;
      }
    }

    .demo-card {
      background: #fff;
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: all 0.4s ease;
      border: 1px solid rgba(245,115,39,0.06);
      display: flex;
      flex-direction: column;
    }
    .demo-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }
    .demo-card .demo-image {
      position: relative;
      overflow: hidden;
      height: 180px;
      flex-shrink: 0;
    }
    .demo-card .demo-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s ease;
    }
    .demo-card:hover .demo-image img { transform: scale(1.05); }
    .demo-card .demo-image .demo-badge {
      position: absolute;
      top: 10px;
      left: 10px;
      padding: 3px 14px;
      border-radius: 50px;
      font-size: 12px;
      font-weight: 700;
      color: #fff;
      background: var(--primary-gradient);
      text-transform: uppercase;
    }
    .demo-card .demo-body {
      padding: 16px;
      text-align: center;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .demo-card .demo-body h4 { font-size: 1rem; font-weight: 700; }
    .demo-card .demo-body .demo-faculty {
      color: var(--primary);
      font-size: 0.8rem;
      font-weight: 600;
    }
    .demo-card .demo-body .demo-meta {
      display: flex;
      justify-content: center;
      gap: 12px;
      font-size: 12px;
      color: #6c757d;
      margin: 4px 0 8px;
      flex-wrap: wrap;
    }
    .demo-card .demo-body .demo-meta i {
      color: var(--primary);
      margin-right: 3px;
    }
    .demo-card .demo-body .demo-batch-label {
      display: inline-block;
      background: rgba(245,115,39,0.08);
      color: var(--primary);
      padding: 2px 12px;
      border-radius: 50px;
      font-size: 12px;
      font-weight: 600;
      margin-bottom: 8px;
    }
    .demo-card .demo-body .demo-btns {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      justify-content: center;
      margin-top: auto;
    }
    .demo-card .demo-body .demo-btns .btn-sm {
      padding: 5px 16px;
      border-radius: 30px;
      font-size: 12px;
      font-weight: 600;
      transition: all 0.3s ease;
      border: none;
      cursor: pointer;
    }
    .demo-card .demo-body .demo-btns .btn-sm.watch {
      background: #ff0000;
      color: #fff;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .demo-card .demo-body .demo-btns .btn-sm.watch:hover {
      background: #cc0000;
      transform: translateY(-2px);
    }
    .demo-card .demo-body .demo-btns .btn-sm.enroll {
      background: var(--primary-gradient);
      color: #fff;
    }
    .demo-card .demo-body .demo-btns .btn-sm.enroll:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(245,115,39,0.35);
    }

    @media (max-width: 480px) {
      .demo-card .demo-image { height: 140px; }
      .demo-card .demo-body { padding: 12px; }
      .demo-card .demo-body h4 { font-size: 0.85rem; }
      .demo-card .demo-body .demo-btns .btn-sm { font-size: 12px; padding: 4px 12px; }
    }

    /* ============================================================
       BATCH CARDS
       ============================================================ */
    .batch-grid-jvvnl {
      display: grid;
      grid-template-columns: 1fr;
      gap: 20px;
      margin-top: 20px;
    }
    @media (min-width: 576px) {
      .batch-grid-jvvnl { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    }
    @media (min-width: 992px) {
      .batch-grid-jvvnl { grid-template-columns: repeat(3, 1fr); gap: 25px; }
    }
    .batch-card-jvvnl {
      background: #fff;
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      transition: all 0.4s ease;
      border: 1px solid rgba(245,115,39,0.06);
      display: flex;
      flex-direction: column;
    }
    .batch-card-jvvnl:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: var(--primary);
    }
    .batch-card-jvvnl .batch-image {
      position: relative;
      overflow: hidden;
      height: 160px;
      flex-shrink: 0;
    }
    .batch-card-jvvnl .batch-image img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s ease;
    }
    .batch-card-jvvnl:hover .batch-image img { transform: scale(1.05); }
    .batch-card-jvvnl .batch-image .batch-tag {
      position: absolute;
      top: 10px;
      right: 10px;
      padding: 3px 14px;
      border-radius: 50px;
      font-size: 12px;
      font-weight: 700;
      color: #fff;
      background: rgba(0,0,0,0.7);
      text-transform: uppercase;
    }
    .batch-card-jvvnl .batch-image .batch-tag.featured { background: var(--primary-gradient); }
    .batch-card-jvvnl .batch-image .batch-tag.premium {
      background: linear-gradient(135deg, #ffd700, #f5a623);
      color: #1a1a2e;
    }
    .batch-card-jvvnl .batch-body {
      padding: 16px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .batch-card-jvvnl .batch-body .batch-type {
      display: flex;
      align-items: center;
      gap: 4px;
      font-size: 12px;
      font-weight: 600;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 0.3px;
    }
    .batch-card-jvvnl .batch-body h3 {
      font-size: 1rem;
      font-weight: 700;
      margin: 4px 0 8px;
    }
    .batch-card-jvvnl .batch-body .batch-meta {
      display: flex;
      gap: 10px;
      font-size: 12px;
      color: #6c757d;
      margin-bottom: 8px;
      flex-wrap: wrap;
    }
    .batch-card-jvvnl .batch-body .batch-meta i {
      color: var(--primary);
      margin-right: 3px;
    }
    .batch-card-jvvnl .batch-body .batch-price {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 8px;
      flex-wrap: wrap;
    }
    .batch-card-jvvnl .batch-body .batch-price del {
      font-size: 13px;
      color: #999;
    }
    .batch-card-jvvnl .batch-body .batch-price .price {
      font-size: 22px;
      font-weight: 800;
      color: var(--primary);
    }
    .batch-card-jvvnl .batch-body .batch-price .discount {
      background: #dc3545;
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      padding: 2px 10px;
      border-radius: 50px;
    }
    .batch-card-jvvnl .batch-body .batch-features {
      display: flex;
      flex-direction: column;
      gap: 3px;
      margin-bottom: 12px;
      flex: 1;
    }
    .batch-card-jvvnl .batch-body .batch-features span {
      display: flex;
      align-items: center;
      gap: 5px;
      font-size: 12px;
      color: #444;
    }
    .batch-card-jvvnl .batch-body .batch-features span i {
      color: #28a745;
      font-size: 12px;
    }
    .batch-card-jvvnl .batch-body .batch-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      width: 100%;
      padding: 8px 16px;
      background: #f8f9fa;
      color: #1a1a2e;
      border: 2px solid #e9ecef;
      border-radius: 8px;
      font-size: 12px;
      font-weight: 600;
      transition: all 0.3s ease;
    }
    .batch-card-jvvnl .batch-body .batch-btn:hover {
      background: var(--primary-gradient);
      color: #fff;
      border-color: var(--primary);
      transform: translateY(-2px);
    }
    .batch-card-jvvnl .batch-body .batch-btn.primary {
      background: var(--primary-gradient);
      color: #fff;
      border-color: var(--primary);
    }
    .batch-card-jvvnl .batch-body .batch-btn.premium-btn {
      background: linear-gradient(135deg, #ffd700, #f5a623);
      color: #1a1a2e;
      border-color: #ffd700;
    }
    .trust-badges {
      display: flex;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
      padding-top: 20px;
      border-top: 1px solid rgba(0,0,0,0.06);
    }
    .trust-item {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      color: #444;
      font-weight: 500;
    }
    .trust-item i {
      font-size: 16px;
      color: var(--primary);
    }
    @media (max-width: 480px) {
      .batch-card-jvvnl .batch-image { height: 130px; }
      .batch-card-jvvnl .batch-body { padding: 12px; }
      .batch-card-jvvnl .batch-body h3 { font-size: 0.9rem; }
      .batch-card-jvvnl .batch-body .batch-price .price { font-size: 18px; }
      .trust-badges { gap: 10px; }
      .trust-item { font-size: 12px; }
    }

/* ============================================================
       FLOATING ELEMENTS
       ============================================================ */
    .back-to-top {
      position: fixed;
      bottom: 20px;
      right: 20px;
      width: 36px;
      height: 36px;
      background: var(--primary-gradient);
      border: none;
      border-radius: 50%;
      color: #fff;
      font-size: 14px;
      cursor: pointer;
      opacity: 0;
      visibility: hidden;
      transform: translateY(20px);
      transition: all 0.3s ease;
      z-index: 1000;
      box-shadow: 0 4px 15px rgba(245,115,39,0.3);
    }
    .back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }

    .whatsapp-float {
      position: fixed;
      bottom: 70px;
      right: 20px;
      z-index: 999;
      background: linear-gradient(135deg, #25d366, #128C7E);
      color: #fff;
      padding: 8px 14px;
      border-radius: 50px;
      box-shadow: 0 8px 30px rgba(37,211,102,0.35);
      display: flex;
      align-items: center;
      gap: 6px;
      font-weight: 600;
      transition: all 0.3s ease;
      animation: floatWA 3s ease-in-out infinite;
      font-size: 12px;
    }
    @keyframes floatWA {
      0%,100% { transform: translateY(0); }
      50% { transform: translateY(-5px); }
    }
    .whatsapp-float:hover { transform: scale(1.05); color: #fff; }

    /* ===== UTILITY ===== */
    .text-center { text-align: center; }
    .mb-4 { margin-bottom: 25px; }
    .me-2 { margin-right: 8px; }
    .text-white-50 { color: rgba(255,255,255,0.5); }
    .py-1 { padding: 20px 0; }
    .py-2 { padding: 40px 0; }
    .bg-light { background: #f5f7fb; }
    .bg-white { background: #fff; }
    .bg-dark-section { background: linear-gradient(135deg, #0a0a1a, #1a1a3e); }
    .mt-3 { margin-top: 20px; }
    .mt-4 { margin-top: 30px; }
    .mb-3 { margin-bottom: 20px; }
    .fw-bold { font-weight: 700; }
    .text-muted { color: #6c757d; }
    .w-100 { width: 100%; }
    .d-flex { display: flex; }
    .flex-wrap { flex-wrap: wrap; }
    .align-center { align-items: center; }
    .justify-center { justify-content: center; }