/* ============================================================
       V2: CORPORATE CLEAN / MINIMAL
       Body: #FFFFFF  |  Navy: #1E3A5F  |  Blue: #2563EB
    ============================================================ */

    *, *::before, *::after { box-sizing: border-box; }

    body {
      background: #FFFFFF;
      color: #374151;
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    }

    /* ── NAVBAR ─────────────────────────────────────────────── */
    .navbar {
      background: #FFFFFF;
      border-bottom: 1px solid #E5E7EB;
      box-shadow: none;
      position: sticky;
      top: 0;
      z-index: 100;
    }
    .nav-inner {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 32px;
      height: 64px;
      display: flex;
      align-items: center;
      gap: 24px;
    }
    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      cursor: default;
      color: #2563EB;
      letter-spacing: -0.01em;
      white-space: nowrap;
    }
    .logo-icon {
      border: 2px solid currentColor;
      border-radius: 6px;
      padding: 4px 8px;
      font-size: 0.62rem;
      font-weight: 800;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      transform: rotate(-3deg);
      line-height: 1;
      display: inline-block;
    }
    .logo-text {
      font-size: 1.28rem;
      font-weight: 800;
      color: inherit;
      letter-spacing: -0.01em;
      position: relative;
      display: inline-block;
      padding-bottom: 4px;
    }
    .logo-text::after {
      content: '';
      position: absolute;
      left: 0; right: 0;
      bottom: 0;
      height: 3px;
      background: #2563EB;
      border-radius: 2px;
    }
    .logo-text strong {
      color: inherit;
      font-weight: 800;
    }
    .nav-links {
      display: flex;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 4px;
      flex: 1;
    }
    .nav-links a {
      font-size: 0.9rem;
      font-weight: 500;
      color: #6B7280;
      text-decoration: none;
      padding: 6px 12px;
      border-radius: 6px;
      transition: color 0.15s, background 0.15s;
    }
    .nav-links a:hover {
      color: #1E3A5F;
      background: #F3F4F6;
    }
    .nav-cta {
      margin-left: auto;
      flex-shrink: 0;
    }

    /* ── BUTTONS ────────────────────────────────────────────── */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 22px;
      border-radius: 8px;
      font-size: 0.9rem;
      font-weight: 600;
      text-decoration: none;
      border: none;
      cursor: pointer;
      transition: background 0.15s, box-shadow 0.15s, transform 0.1s;
      line-height: 1.4;
    }
    .btn-primary {
      background: #2563EB;
      color: #FFFFFF;
    }
    .btn-primary:hover {
      background: #1D4ED8;
      box-shadow: 0 4px 12px rgba(37,99,235,0.3);
      transform: translateY(-1px);
    }
    .btn-outline {
      background: transparent;
      color: #2563EB;
      border: 1px solid #2563EB;
    }
    .btn-outline:hover {
      background: #EFF6FF;
    }

    /* ── USER MENU ──────────────────────────────────────────── */
    .user-menu-wrap {
      position: relative;
    }
    .user-menu-toggle {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 8px 16px;
      background: #F9FAFB;
      border: 1px solid #E5E7EB;
      border-radius: 8px;
      font-size: 0.88rem;
      font-weight: 600;
      color: #374151;
      cursor: pointer;
      transition: background 0.15s, border-color 0.15s;
    }
    .user-menu-toggle:hover {
      background: #F3F4F6;
      border-color: #D1D5DB;
    }
    .user-menu-toggle .arrow {
      font-size: 0.7rem;
      color: #9CA3AF;
      transition: transform 0.2s;
    }
    .user-menu-wrap.open .arrow {
      transform: rotate(180deg);
    }
    .user-menu-dropdown {
      display: none;
      position: absolute;
      top: calc(100% + 6px);
      right: 0;
      min-width: 180px;
      background: #FFFFFF;
      border: 1px solid #E5E7EB;
      border-radius: 10px;
      box-shadow: 0 8px 24px rgba(0,0,0,0.1);
      padding: 6px;
      z-index: 200;
    }
    .user-menu-wrap.open .user-menu-dropdown {
      display: block;
    }
    .user-menu-dropdown button {
      display: block;
      width: 100%;
      text-align: left;
      padding: 9px 14px;
      background: none;
      border: none;
      border-radius: 6px;
      font-size: 0.88rem;
      font-weight: 500;
      color: #374151;
      cursor: pointer;
      transition: background 0.12s;
    }
    .user-menu-dropdown button:hover {
      background: #F3F4F6;
    }
    .user-menu-dropdown .menu-danger {
      color: #DC2626;
    }
    .user-menu-dropdown .menu-danger:hover {
      background: #FEF2F2;
    }
    .menu-divider {
      height: 1px;
      background: #E5E7EB;
      margin: 4px 0;
    }

    /* ── HERO – SPLIT LAYOUT ────────────────────────────────── */
    .hero {
      display: flex;
      align-items: stretch;
      max-width: none;
      padding: 0;
      background: linear-gradient(135deg, #6C47FF 0%, #3B82F6 50%, #00D9B5 100%);
      position: relative;
      overflow: hidden;
      min-height: 480px;
    }
    .hero-wave {
      display: block;
      width: 100%;
      height: 60px;
      margin-top: -1px;
    }

    /* Decorative blobs */
    .hero-blob-1 {
      position: absolute;
      top: -80px; left: -60px;
      width: 320px; height: 320px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
      pointer-events: none; z-index: 0;
    }
    .hero-blob-2 {
      position: absolute;
      bottom: -80px; left: 30%;
      width: 260px; height: 260px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(0,217,181,0.3) 0%, transparent 70%);
      pointer-events: none; z-index: 0;
    }
    .hero-blob-3 {
      position: absolute;
      top: 10%; right: 10%;
      width: 200px; height: 200px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
      pointer-events: none; z-index: 0;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      flex: 1;
      max-width: 620px;
      padding: 80px 48px 80px 64px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .hero-badge {
      display: inline-block;
      background: rgba(255,255,255,0.18);
      color: #fff;
      border: 1px solid rgba(255,255,255,0.3);
      font-size: 0.78rem;
      font-weight: 700;
      letter-spacing: 0.07em;
      text-transform: uppercase;
      padding: 5px 14px;
      border-radius: 100px;
      margin-bottom: 24px;
      backdrop-filter: blur(6px);
    }
    .hero h1 {
      font-size: 3rem;
      font-weight: 800;
      line-height: 1.12;
      color: #fff;
      margin: 0 0 20px;
      letter-spacing: -0.02em;
    }
    .gradient-text {
      background: none;
      -webkit-background-clip: unset;
      -webkit-text-fill-color: #fff;
      background-clip: unset;
      text-decoration: underline;
      text-decoration-color: rgba(255,255,255,0.4);
      text-underline-offset: 6px;
      text-decoration-thickness: 3px;
    }
    .hero-sub {
      color: rgba(255,255,255,0.85);
      font-size: 1.05rem;
      line-height: 1.7;
      max-width: 520px;
      margin: 0 0 36px;
    }
    .hero-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-bottom: 48px;
    }
    .hero-stats {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      max-width: 480px;
    }
    .stat {
      display: flex;
      flex-direction: row;
      align-items: center;
      gap: 10px;
      background: rgba(255,255,255,0.15);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255,255,255,0.25);
      border-radius: 100px;
      padding: 10px 20px;
      flex: unset;
    }
    .stat-num {
      font-size: 1.2rem;
      font-weight: 800;
      color: #fff;
    }
    .stat-label {
      font-size: 0.78rem;
      font-weight: 500;
      color: rgba(255,255,255,0.85);
      white-space: nowrap;
    }

    /* Hero right side – geometric pattern */
    .hero-visual {
      display: flex;
      align-items: center;
      justify-content: center;
      flex: 1 1 0;
      background: transparent;
      border-left: 1px solid rgba(255,255,255,0.2);
      position: relative;
      overflow: hidden;
      min-height: 480px;
    }
    /* Geometric CSS pattern */
    .hero-visual::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image:
        radial-gradient(circle, rgba(255,255,255,0.5) 1.5px, transparent 1.5px),
        radial-gradient(circle, rgba(255,255,255,0.25) 1.5px, transparent 1.5px);
      background-size: 24px 24px, 48px 48px;
      background-position: 0 0, 12px 12px;
      opacity: 0.85;
    }
    .hero-visual-inner {
      position: relative;
      z-index: 1;
      display: flex;
      flex-direction: row;
      align-items: flex-start;
      justify-content: center;
      gap: 24px;
      padding: 40px 32px;
      width: 100%;
    }

    /* Module list panel */
    .module-preview {
      width: 270px;
      flex-shrink: 0;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .module-preview-title {
      font-size: 0.7rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: #FFFFFF;
      margin-bottom: 6px;
    }
    .module-row-prev {
      background: #FFFFFF;
      border: 1px solid #E5E7EB;
      border-radius: 8px;
      padding: 10px 14px;
      display: flex;
      align-items: center;
      gap: 12px;
      box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    }
    .module-row-prev.active {
      border: 2px solid #2563EB;
      background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
      box-shadow: 0 0 0 4px rgba(37,99,235,0.25), 0 4px 12px rgba(37,99,235,0.2);
      transform: scale(1.04);
      position: relative;
    }
    .module-row-prev.active::before {
      content: '▶';
      position: absolute;
      left: -20px;
      top: 50%;
      transform: translateY(-50%);
      color: #fff;
      font-size: 0.7rem;
    }
    .module-num-prev {
      font-size: 0.72rem;
      font-weight: 800;
      color: #2563EB;
      width: 22px;
      flex-shrink: 0;
    }
    .module-info-prev {
      flex: 1;
      min-width: 0;
    }
    .module-name-prev {
      font-size: 0.78rem;
      font-weight: 600;
      color: #1E3A5F;
    }
    .module-meta-prev {
      font-size: 0.68rem;
      color: #6B7280;
      margin-top: 2px;
    }
    .module-check {
      font-size: 0.75rem;
      color: #059669;
      flex-shrink: 0;
    }
    /* Quiz preview card */
    .quiz-preview {
      width: 650px;
      flex-shrink: 0;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .quiz-card {
      background: #FFFFFF;
      border: 1px solid #E5E7EB;
      border-radius: 12px;
      padding: 20px 22px;
      box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    }
    .quiz-label {
      font-size: 0.7rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: #2563EB;
      margin-bottom: 8px;
    }
    .quiz-question {
      font-size: 0.92rem;
      font-weight: 600;
      color: #1E3A5F;
      margin-bottom: 14px;
      line-height: 1.45;
    }
    .quiz-options {
      display: flex;
      flex-direction: column;
      gap: 7px;
    }
    .quiz-option {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 8px 12px;
      border-radius: 8px;
      border: 1.5px solid #E5E7EB;
      font-size: 0.82rem;
      color: #374151;
      background: #F9FAFB;
      cursor: default;
    }
    .quiz-option.correct {
      border-color: #059669;
      background: #ECFDF5;
      color: #065F46;
    }
    .quiz-option.wrong {
      border-color: #EF4444;
      background: #FEF2F2;
      color: #991B1B;
      opacity: 0.7;
    }
    .quiz-option .opt-dot {
      width: 16px;
      height: 16px;
      border-radius: 50%;
      border: 2px solid #D1D5DB;
      flex-shrink: 0;
    }
    .quiz-option.correct .opt-dot {
      border: none;
      background: #059669;
      color: #fff;
      font-size: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .quiz-option.correct .opt-dot::after {
      content: '\2713';
    }
    .quiz-option.wrong .opt-dot {
      border: none;
      background: #EF4444;
      color: #fff;
      font-size: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .quiz-option.wrong .opt-dot::after {
      content: '\2717';
    }
    .quiz-progress-row {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 0 4px;
    }
    .quiz-progress-bar {
      flex: 1;
      height: 5px;
      background: #E5E7EB;
      border-radius: 100px;
      overflow: hidden;
    }
    .quiz-progress-fill {
      height: 100%;
      background: #2563EB;
      border-radius: 100px;
      width: 33%;
    }
    .quiz-progress-label {
      font-size: 0.72rem;
      color: #6B7280;
      white-space: nowrap;
    }
    .quiz-tag {
      display: inline-block;
      background: #EFF6FF;
      color: #2563EB;
      font-size: 0.7rem;
      font-weight: 600;
      border-radius: 100px;
      padding: 2px 10px;
      margin-bottom: 10px;
    }

    /* ── FEATURE STRIP ──────────────────────────────────────── */
    .feature-strip {
      position: relative;
      z-index: 3;
      max-width: 1100px;
      margin: 0 auto;
      padding: 64px 32px 0;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .feature-card {
      background: #FFFFFF;
      border: 1px solid #E5E7EB;
      border-top: 4px solid #E5E7EB;
      border-radius: 10px;
      padding: 32px 28px;
      text-align: center;
      box-shadow: none;
      transition: border-top-color 0.2s, box-shadow 0.2s;
    }
    .feature-card:nth-child(1) { border-top-color: #2563EB; }
    .feature-card:nth-child(2) { border-top-color: #059669; }
    .feature-card:nth-child(3) { border-top-color: #7C3AED; }
    .feature-card:hover {
      box-shadow: 0 4px 20px rgba(0,0,0,0.07);
    }
    .feature-emoji {
      font-size: 2.4rem;
      margin-bottom: 14px;
      display: block;
    }
    .feature-card h3 {
      font-size: 1rem;
      font-weight: 700;
      color: #1E3A5F;
      margin: 0 0 8px;
    }
    .feature-card p {
      font-size: 0.88rem;
      color: #6B7280;
      line-height: 1.6;
      margin: 0;
    }

    /* ── SECTIONS ───────────────────────────────────────────── */
    .section {
      background: #FFFFFF;
      padding: 48px 0;
    }
    .section:nth-child(even) {
      background: #FFFFFF;
    }
    .section-inner {
      max-width: 1100px;
      margin: 0 auto;
      padding: 0 32px;
    }
    .section-header {
      text-align: center;
      margin-bottom: 28px;
    }
    .section-header h2 {
      font-size: 2rem;
      font-weight: 800;
      color: #1E3A5F;
      margin: 0 0 12px;
      letter-spacing: -0.02em;
    }
    .section-header p {
      font-size: 1rem;
      color: #6B7280;
      max-width: 540px;
      margin: 0 auto;
      line-height: 1.7;
    }

    /* ── WHY SECTION ────────────────────────────────────────── */
    .why-section {
      background: #FFFFFF !important;
      padding-top: 48px;
      padding-bottom: 48px;
    }
    .cards-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .info-card {
      background: #F9FAFF;
      border: none;
      border-left: 5px solid #6C47FF;
      border-radius: 0 16px 16px 0;
      padding: 28px 24px;
      transition: box-shadow 0.18s, transform 0.18s;
    }
    .info-card:nth-child(1) { border-left-color: #6C47FF; }
    .info-card:nth-child(2) { border-left-color: #3B82F6; }
    .info-card:nth-child(3) { border-left-color: #00D9B5; }
    .info-card:nth-child(4) { border-left-color: #FF4D6D; }
    .info-card:hover {
      box-shadow: 0 8px 32px rgba(108,71,255,0.12);
      transform: translateY(-3px);
    }
    .info-icon {
      font-size: 2rem;
      margin-bottom: 14px;
      display: block;
    }
    .info-card h3 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #1A1D2E;
      margin: 0 0 8px;
    }
    .info-card p {
      font-size: 0.9rem;
      color: #6B7080;
      line-height: 1.65;
      margin: 0;
    }

    /* ── DANGER SECTION ─────────────────────────────────────── */
    .danger-section {
      background: #F9FAFB;
      padding: 48px 0;
    }
    .danger-section .section-header h2 {
      color: #1E3A5F;
    }
    .danger-section .section-header p {
      color: #6B7280;
    }
    .danger-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .danger-card {
      background: #FFFFFF;
      border-radius: 10px;
      padding: 28px 24px;
      border: 1px solid #E5E7EB;
      box-shadow: none;
      transition: box-shadow 0.18s, transform 0.18s;
    }
    .danger-card:hover {
      box-shadow: 0 4px 16px rgba(0,0,0,0.07);
      transform: translateY(-2px);
    }
    .danger-icon {
      font-size: 1.8rem;
      margin-bottom: 14px;
      display: block;
    }
    .danger-card h3 {
      font-size: 0.97rem;
      font-weight: 800;
      color: #111827;
      margin: 0 0 10px;
    }
    .danger-card p {
      font-size: 0.87rem;
      color: #6B7280;
      line-height: 1.65;
      margin: 0 0 16px;
    }
    .danger-risk-badge {
      display: inline-block;
      padding: 8px 14px;
      border-radius: 8px;
      font-size: 0.78rem;
      font-weight: 700;
      line-height: 1.3;
    }

    /* ── MODULES SECTION ────────────────────────────────────── */
    .modules-section {
      background: #FFFFFF !important;
      padding: 48px 0;
    }
    .modules-list {
      display: grid !important;
      grid-template-columns: 1fr 1fr;
      gap: 8px;
    }
    .module-row {
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 18px 24px;
      background: #FFFFFF;
      border: 1px solid #E5E7EB;
      border-left: 3px solid transparent;
      border-radius: 8px;
      text-decoration: none;
      color: inherit;
      transition: border-left-color 0.15s, background 0.15s, box-shadow 0.15s;
    }
    .module-row {
      cursor: default;
    }
    .module-num {
      font-size: 1rem;
      font-weight: 800;
      color: #9CA3AF;
      min-width: 36px;
      flex-shrink: 0;
      font-variant-numeric: tabular-nums;
    }
    .module-info {
      flex: 1;
      min-width: 0;
    }
    .module-title {
      font-weight: 700;
      font-size: 0.95rem;
      color: #111827;
      margin-bottom: 2px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .module-meta {
      font-size: 0.8rem;
      color: #9CA3AF;
    }
    .module-tag {
      font-size: 0.72rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 100px;
      background: #EFF6FF;
      color: #2563EB;
      white-space: nowrap;
      flex-shrink: 0;
    }
    .module-arrow {
      color: #D1D5DB;
      font-size: 1rem;
      font-weight: 600;
      flex-shrink: 0;
      transition: color 0.15s, transform 0.15s;
    }
    .module-row:hover .module-arrow {
      color: #2563EB;
      transform: translateX(3px);
    }
    .modules-cta-wrap {
      text-align: center;
      margin-top: 32px;
    }

    /* ── FOOTER ─────────────────────────────────────────────── */
    .footer {
      background: #1E3A5F;
      color: rgba(255,255,255,0.7);
      padding: 40px 32px;
    }
    .footer-inner {
      max-width: 1100px;
      margin: 0 auto;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
    }
    .footer .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      cursor: default;
      color: #FFFFFF;
    }
    .footer .logo-icon {
      border-color: #FFFFFF;
      color: #FFFFFF;
    }
    .footer .logo-text {
      color: #FFFFFF;
    }
    .footer .logo-text::after {
      background: #FFFFFF;
    }
    .footer .logo-text strong {
      color: #FFFFFF;
    }
    .footer-copy {
      font-size: 0.85rem;
      color: rgba(255,255,255,0.5);
      margin: 0;
    }

    /* ── FEATURE STRIP TOP PADDING compensating no negative margin ── */
    .feature-strip-wrap {
      background: #FFFFFF;
      padding-top: 64px;
      padding-bottom: 64px;
    }

    /* ── RESPONSIVE ─────────────────────────────────────────── */
    @media (max-width: 1024px) {
      .hero-content { padding: 60px 40px; }
      .hero-visual { flex: 1 1 0; }
    }
    @media (max-width: 900px) {
      .hero {
        flex-direction: column;
        min-height: unset;
      }
      .hero-content {
        padding: 56px 32px 48px;
        max-width: 100%;
      }
      .hero-visual {
        display: none;
      }
      .hero h1 { font-size: 2.4rem; }
      .feature-strip {
        grid-template-columns: 1fr;
        padding-top: 48px;
      }
      .cards-grid { grid-template-columns: repeat(2, 1fr); }
      .danger-grid { grid-template-columns: 1fr; }
      .modules-list { grid-template-columns: 1fr !important; }
    }
    @media (max-width: 640px) {
      .nav-inner {
        padding: 0 16px;
        gap: 10px;
        height: 60px;
      }
      .logo-text { font-size: 1.05rem; }
      .logo-icon { font-size: 0.55rem; padding: 3px 6px; }
      .nav-cta, .nav-contact {
        padding: 8px 12px;
        font-size: 0.82rem;
      }
      .nav-contact { margin-right: 0; }
      .user-menu-toggle { padding: 6px 10px; font-size: 0.8rem; }
      .hero-content { padding: 48px 20px 40px; }
      .hero h1 { font-size: 2rem; }
      .hero-stats { flex-direction: column; max-width: 100%; }
      .stat { border-right: none; border-bottom: 1px solid #E5E7EB; flex-direction: row; justify-content: flex-start; gap: 12px; }
      .stat:last-child { border-bottom: none; }
      .section-inner { padding: 0 20px; }
      .feature-strip { padding: 40px 20px 0; }
      .modules-section, .why-section, .danger-section, .section { padding: 36px 0; }
    }
    @media (max-width: 420px) {
      .nav-inner { padding: 0 12px; gap: 8px; }
      .logo-text { font-size: 0.95rem; }
      .nav-cta, .nav-contact {
        padding: 7px 10px;
        font-size: 0.75rem;
      }
    }