/* =========================================
       VARIABLES Y RESET GLOBAL (DARK EXECUTIVE THEME)
       ========================================= */
    :root {
      --bg-main: #080e1a;
      --bg-card: #111b2f;
      --bg-card-hover: #17233a;
      --bg-alt: #0c1424;
      --border-color: rgba(255, 255, 255, 0.08);
      --border-lime: rgba(144, 234, 42, 0.35);
      --accent-lime: #90ea2a;
      --accent-neon: #90ea2a;
      --text-white: #ffffff;
      --text-muted: #94a3b8;
      --text-dim: #cbd5e1;
      --radius-lg: 20px;
      --radius-md: 12px;
      --radius-full: 9999px;
      --shadow-glow: 0 0 25px rgba(144, 234, 42, 0.25);
      --transition: all 0.25s ease-in-out;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
      background-color: var(--bg-main);
      color: var(--text-dim);
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
      line-height: 1.6;
    }

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Botones y Badges */
    .badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: rgba(144, 234, 42, 0.1);
      border: 1px solid var(--border-lime);
      color: var(--accent-lime);
      font-size: 12px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 1px;
      border-radius: var(--radius-full);
      margin-bottom: 20px;
    }

    .badge-pill .pulse-dot {
      width: 8px;
      height: 8px;
      background-color: var(--accent-lime);
      border-radius: 50%;
      box-shadow: 0 0 10px var(--accent-lime);
      animation: pulse 1.6s infinite;
    }

    @keyframes pulse {
      0% { transform: scale(0.95); opacity: 0.8; }
      50% { transform: scale(1.25); opacity: 1; }
      100% { transform: scale(0.95); opacity: 0.8; }
    }

    .btn-lime {
      background: var(--accent-lime);
      color: #0f172a;
      padding: 16px 36px;
      border-radius: var(--radius-full);
      font-weight: 800;
      font-size: 15px;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      border: none;
      cursor: pointer;
      box-shadow: 0 10px 25px rgba(144, 234, 42, 0.25);
      transition: var(--transition);
    }

    .btn-lime:hover {
      background: var(--accent-neon);
      transform: translateY(-2px);
      box-shadow: 0 12px 30px rgba(144, 234, 42, 0.4);
    }

    .btn-outline {
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-white);
      border: 1px solid var(--border-color);
      padding: 16px 32px;
      border-radius: var(--radius-full);
      font-weight: 600;
      font-size: 15px;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      backdrop-filter: blur(8px);
      transition: var(--transition);
    }

    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.09);
      border-color: rgba(255, 255, 255, 0.2);
    }

    /* =========================================
       HERO SECTION
       ========================================= */
    .hero-section {
      padding: 60px 0 50px;
      text-align: center;
      position: relative;
      background: radial-gradient(circle at 50% -10%, rgba(144, 234, 42, 0.12) 0%, transparent 60%);
    }

    .hero-section h1 {
      font-size: clamp(32px, 5vw, 54px);
      font-weight: 900;
      line-height: 1.15;
      color: var(--text-white);
      max-width: 980px;
      margin: 0 auto 20px;
      letter-spacing: -1px;
    }

    .hero-section h1 span {
      background: linear-gradient(135deg, #ffffff 20%, var(--accent-lime) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-section p.lead-text {
      font-size: clamp(16px, 2.5vw, 19px);
      color: var(--text-muted);
      max-width: 780px;
      margin: 0 auto 35px;
      line-height: 1.65;
    }

    .hero-features-bar {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px 24px;
      margin-bottom: 40px;
    }

    .feature-chip {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid var(--border-color);
      padding: 8px 18px;
      border-radius: var(--radius-full);
      font-size: 13.5px;
      font-weight: 600;
      color: var(--text-dim);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .feature-chip svg {
      width: 16px;
      height: 16px;
      fill: var(--accent-lime);
    }

    .hero-actions {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 50px;
    }

    /* Stats Grid */
    .stats-bar {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px 20px;
      gap: 20px;
      margin-bottom: 70px;
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
    }

    .stat-item {
      text-align: center;
      border-right: 1px solid var(--border-color);
    }

    .stat-item:last-child {
      border-right: none;
    }

    .stat-item .stat-num {
      font-size: 36px;
      font-weight: 900;
      color: var(--accent-lime);
      line-height: 1;
      margin-bottom: 6px;
    }

    .stat-item .stat-label {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* =========================================
       MÉTODO: 2 CLASES + 1 EXAMEN
       ========================================= */
    .methodology-section {
      padding: 40px 0 80px;
    }

    .section-title-wrap {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 50px;
    }

    .section-title-wrap h2 {
      font-size: clamp(26px, 4vw, 38px);
      font-weight: 800;
      color: var(--text-white);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-title-wrap p {
      font-size: 16px;
      color: var(--text-muted);
    }

    .methodology-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .method-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 26px;
      position: relative;
      overflow: hidden;
      transition: var(--transition);
    }

    .method-card:hover {
      border-color: var(--accent-lime);
      transform: translateY(-4px);
      box-shadow: var(--shadow-glow);
    }

    .method-step {
      font-size: 12px;
      font-weight: 900;
      color: var(--accent-lime);
      text-transform: uppercase;
      letter-spacing: 1.5px;
      margin-bottom: 14px;
      display: block;
    }

    .method-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 12px;
    }

    .method-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* =========================================
       TEMARIO INTERACTIVO POR MÓDULOS
       ========================================= */
    .syllabus-section {
      padding: 40px 0 90px;
      background: var(--bg-alt);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .modules-container {
      display: flex;
      flex-direction: column;
      gap: 20px;
      max-width: 960px;
      margin: 0 auto;
    }

    .module-accordion {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      transition: var(--transition);
    }

    .module-accordion.active {
      border-color: var(--border-lime);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    }

    .module-header {
      padding: 24px 30px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      user-select: none;
    }

    .module-meta {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .module-pill {
      font-size: 11px;
      font-weight: 800;
      color: var(--accent-lime);
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .module-title {
      font-size: 19px;
      font-weight: 800;
      color: var(--text-white);
    }

    .accordion-toggle-icon {
      width: 36px;
      height: 36px;
      background: rgba(255, 255, 255, 0.05);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent-lime);
      font-size: 20px;
      transition: transform 0.3s ease;
      flex-shrink: 0;
    }

    .module-accordion.active .accordion-toggle-icon {
      transform: rotate(180deg);
      background: var(--accent-lime);
      color: #080e1a;
    }

    .module-body {
      display: none;
      padding: 0 30px 28px;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
    }

    .module-accordion.active .module-body {
      display: block;
    }

    .challenge-box {
      background: rgba(144, 234, 42, 0.05);
      border-left: 4px solid var(--accent-lime);
      border-radius: 0 var(--radius-md) var(--radius-md) 0;
      padding: 14px 18px;
      margin: 20px 0 24px;
      font-size: 14px;
      color: #e2e8f0;
    }

    .challenge-box strong {
      color: var(--accent-lime);
      display: block;
      margin-bottom: 3px;
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .sessions-timeline {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }

    .session-item {
      background: rgba(255, 255, 255, 0.02);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 18px 20px;
    }

    .session-item.exam-item {
      background: rgba(144, 234, 42, 0.04);
      border-color: rgba(144, 234, 42, 0.25);
    }

    .session-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 8px;
      flex-wrap: wrap;
      gap: 8px;
    }

    .session-badge {
      font-size: 11px;
      font-weight: 800;
      padding: 3px 10px;
      border-radius: var(--radius-full);
      background: rgba(255, 255, 255, 0.08);
      color: var(--text-white);
      text-transform: uppercase;
    }

    .session-badge.badge-exam {
      background: var(--accent-lime);
      color: #080e1a;
      font-weight: 900;
    }

    .session-duration {
      font-size: 12px;
      color: var(--text-muted);
      font-weight: 600;
    }

    .session-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 8px;
    }

    .session-bullets {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .session-bullets li {
      font-size: 13.5px;
      color: var(--text-muted);
      position: relative;
      padding-left: 18px;
    }

    .session-bullets li::before {
      content: "•";
      color: var(--accent-lime);
      position: absolute;
      left: 4px;
      font-size: 16px;
    }

    /* =========================================
       SECCIÓN DE PRECIOS Y PLANES
       ========================================= */
    .pricing-section {
      padding: 90px 0 80px;
      position: relative;
    }

    .pricing-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
      align-items: stretch;
      max-width: 1100px;
      margin: 0 auto;
    }

    .pricing-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: 24px;
      padding: 40px 30px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      transition: var(--transition);
    }

    .pricing-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    }

    .pricing-card.featured {
      background: linear-gradient(180deg, #18201a 0%, #111b2f 100%);
      border: 2px solid var(--accent-lime);
      box-shadow: 0 15px 40px rgba(144, 234, 42, 0.2);
      transform: scale(1.03);
    }

    .pricing-card.featured:hover {
      transform: scale(1.05) translateY(-5px);
    }

    .popular-ribbon {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent-lime);
      color: #080e1a;
      font-size: 11px;
      font-weight: 900;
      text-transform: uppercase;
      letter-spacing: 1px;
      padding: 4px 18px;
      border-radius: var(--radius-full);
      box-shadow: 0 4px 15px rgba(144, 234, 42, 0.4);
      white-space: nowrap;
    }

    .pricing-header h3 {
      font-size: 22px;
      font-weight: 800;
      color: var(--text-white);
      margin-bottom: 8px;
    }

    .pricing-header p {
      font-size: 13.5px;
      color: var(--text-muted);
      min-height: 40px;
      margin-bottom: 24px;
    }

    .price-box {
      margin-bottom: 28px;
      padding-bottom: 24px;
      border-bottom: 1px solid var(--border-color);
    }

    .price-original {
      font-size: 14px;
      color: #64748b;
      text-decoration: line-through;
      margin-bottom: 4px;
    }

    .price-current {
      font-size: 44px;
      font-weight: 900;
      color: var(--text-white);
      line-height: 1;
      display: flex;
      align-items: baseline;
      gap: 6px;
    }

    .price-current .currency {
      font-size: 22px;
      color: var(--accent-lime);
    }

    .price-current .cents {
      font-size: 18px;
      color: var(--text-muted);
    }

    .price-terms {
      font-size: 12px;
      color: var(--accent-lime);
      font-weight: 600;
      margin-top: 6px;
    }

    .plan-features {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 35px;
      flex-grow: 1;
    }

    .plan-features li {
      font-size: 13.5px;
      color: var(--text-dim);
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }

    .plan-features li svg {
      width: 18px;
      height: 18px;
      fill: var(--accent-lime);
      flex-shrink: 0;
      margin-top: 2px;
    }

    /* =========================================
       GARANTÍA & CONFIANZA
       ========================================= */
    .guarantee-box {
      background: var(--bg-card);
      border: 1px dashed var(--border-lime);
      border-radius: var(--radius-lg);
      padding: 35px 40px;
      display: flex;
      align-items: center;
      gap: 30px;
      max-width: 900px;
      margin: 60px auto 0;
    }

    .guarantee-icon {
      font-size: 48px;
      flex-shrink: 0;
    }

    .guarantee-text h4 {
      font-size: 18px;
      font-weight: 800;
      color: var(--text-white);
      margin-bottom: 6px;
    }

    .guarantee-text p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* =========================================
       FAQS (PREGUNTAS FRECUENTES)
       ========================================= */
    .faq-section {
      padding: 80px 0 90px;
      background: var(--bg-alt);
      border-top: 1px solid var(--border-color);
    }

    .faq-grid {
      max-width: 840px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
    }

    .faq-question {
      padding: 20px 24px;
      cursor: pointer;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-white);
      display: flex;
      justify-content: space-between;
      align-items: center;
      user-select: none;
    }

    .faq-question span.plus-icon {
      color: var(--accent-lime);
      font-size: 20px;
      transition: transform 0.2s;
    }

    .faq-item.active .faq-question span.plus-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      display: none;
      padding: 0 24px 20px;
      font-size: 14.5px;
      color: var(--text-muted);
      line-height: 1.6;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      padding-top: 14px;
    }

    .faq-item.active .faq-answer {
      display: block;
    }

    /* =========================================
       FINAL CALL TO ACTION BANNER
       ========================================= */
    .final-cta {
      padding: 80px 0;
      text-align: center;
      background: radial-gradient(circle at 50% 100%, rgba(144, 234, 42, 0.15) 0%, transparent 70%);
    }

    .final-cta h2 {
      font-size: clamp(28px, 4vw, 42px);
      font-weight: 900;
      color: var(--text-white);
      margin-bottom: 16px;
    }

    .final-cta p {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 600px;
      margin: 0 auto 35px;
    }

    .module-header-capstone { background: linear-gradient(90deg, #162214 0%, var(--bg-card) 100%); }
    .module-pill-accent { color: var(--accent-lime); }
    .challenge-box-accent { border-left-color: var(--accent-lime); }
    .btn-plan { justify-content: center; text-align: center; }
    .price-current-compact { font-size: 32px; }

    /* =========================================
       RESPONSIVE DESIGN (TABLETS & MÓVILES)
       ========================================= */
    @media (max-width: 992px) {
      .stats-bar {
        grid-template-columns: repeat(2, 1fr);
      }
      .stat-item:nth-child(2) {
        border-right: none;
      }
      .stat-item:nth-child(1), .stat-item:nth-child(2) {
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 15px;
      }
      .methodology-grid,
      .pricing-grid {
        grid-template-columns: 1fr;
      }
      .pricing-card.featured {
        transform: none;
      }
      .pricing-card.featured:hover {
        transform: translateY(-5px);
      }
      .guarantee-box {
        flex-direction: column;
        text-align: center;
        padding: 30px 20px;
      }
    }

    @media (max-width: 600px) {
      .stats-bar {
        grid-template-columns: 1fr;
      }
      .stat-item {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 12px;
      }
      .stat-item:last-child {
        border-bottom: none;
      }
      .hero-actions {
        flex-direction: column;
      }
      .btn-lime, .btn-outline {
        width: 100%;
        justify-content: center;
      }
      .module-header {
        padding: 18px 20px;
      }
      .module-body {
        padding: 0 20px 20px;
      }
    }