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

    body {
      font-family: 'Roboto', sans-serif;
      background: #ffffff;
      color: #333;
      line-height: 1.6;
    }

    .tracks-section {
      max-width: 900px;
      margin: 0 auto;
      padding: 60px 20px;
    }

    .tracks-header {
      text-align: center;
      margin-bottom: 40px;
    }

    .tracks-title {
      font-family: 'Poppins', sans-serif;
      font-size: 2.25rem;
      font-weight: 700;
      color: #2A3439;
      margin-bottom: 16px;
    }

    .tracks-subtitle {
      font-family: 'Roboto', sans-serif;
      font-size: 1.1rem;
      color: #666;
      max-width: 600px;
      margin: 0 auto;
      line-height: 1.6;
    }

    .track-selector {
      display: flex;
      gap: 16px;
      margin-bottom: 40px;
      justify-content: center;
      flex-wrap: wrap;
    }

    .track-tab {
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 24px 32px;
      background: #f8fffe;
      border: 2px solid #e0f2ef;
      border-radius: 16px;
      cursor: pointer;
      transition: all 0.3s ease;
      min-width: 220px;
      font-family: 'Roboto', sans-serif;
    }

    .track-tab:hover {
      border-color: #14b8a6;
      background: #f0faf8;
    }

    .track-tab[data-track="builders"] {
      background: #faf9fd;
      border-color: #e8e6f5;
    }

    .track-tab[data-track="builders"]:hover {
      border-color: #141259;
      background: #f0eff8;
    }

    .track-tab.active {
      background: #d4f0eb;
      border-color: #14b8a6;
      box-shadow: 0 4px 12px rgba(20, 184, 166, 0.15);
    }

    .track-tab.active[data-track="builders"] {
      background: #e8e6f5;
      border-color: #141259;
      box-shadow: 0 4px 12px rgba(20, 18, 89, 0.15);
    }

    .tab-icon {
      font-size: 2rem;
      margin-bottom: 8px;
    }

    .tab-label {
      font-family: 'Poppins', sans-serif;
      font-weight: 600;
      font-size: 1.1rem;
      color: #2A3439;
      margin-bottom: 4px;
    }

    .tab-tagline {
      font-size: 0.9rem;
      color: #666;
    }

    .track-content {
      display: none;
      animation: fadeIn 0.4s ease;
    }

    .track-content.active {
      display: block;
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(10px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .track-intro {
      margin-bottom: 48px;
    }

    .intro-text {
      font-family: 'Roboto', sans-serif;
      font-size: 1.05rem;
      color: #444;
      line-height: 1.7;
      margin-bottom: 16px;
    }

    .callout-text {
      font-family: 'Poppins', sans-serif;
      font-size: 1.5rem;
      font-weight: 600;
      color: #2A3439;
      margin-bottom: 24px;
      padding: 24px 32px;
      background: linear-gradient(135deg, #f0faf8 0%, #e5f5f2 100%);
      border-left: 4px solid #14b8a6;
      border-radius: 0 12px 12px 0;
    }

    .callout-text.secondary {
      font-size: 1.25rem;
      margin-top: 24px;
    }

    .section-label {
      font-family: 'Poppins', sans-serif;
      font-size: 1.25rem;
      font-weight: 600;
      color: #2A3439;
      margin-bottom: 24px;
      padding-bottom: 12px;
      border-bottom: 2px solid #e0f2ef;
    }

    .what-we-do {
      margin-bottom: 48px;
    }

    .steps-grid {
      display: grid;
      gap: 16px;
    }

    .step-card {
      display: flex;
      gap: 16px;
      padding: 20px 24px;
      background: #f8fffe;
      border-radius: 12px;
      border: 1px solid #e0f2ef;
      transition: all 0.2s ease;
    }

    .step-card:hover {
      background: #f0faf8;
      border-color: #c8ebe5;
    }

    .step-number {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      min-width: 36px;
      background: #14b8a6;
      color: white;
      font-family: 'Poppins', sans-serif;
      font-weight: 600;
      font-size: 1rem;
      border-radius: 50%;
    }

    #track-builders .step-number {
      background: #141259;
    }

    #track-builders .step-card:hover {
      background: #f5f4fa;
      border-color: #d4d2e8;
    }

    #track-builders .callout-text {
      background: linear-gradient(135deg, #f5f4fa 0%, #eae8f5 100%);
      border-left-color: #141259;
    }

    #track-builders .track-fit-section {
      background: #faf9fd;
      border-color: #e8e6f5;
    }

    #track-builders .fit-item:hover {
      background: #f5f4fa;
    }

    #track-builders .fit-item.checked {
      background: #eae8f5;
      border-color: #141259;
    }

    #track-builders .fit-checkbox {
      border-color: #141259;
    }

    #track-builders .fit-item.checked .fit-checkbox {
      background: #141259;
    }

    #track-builders .fit-count {
      color: #141259;
    }

    #track-builders .fit-message {
      color: #141259;
    }

    #track-builders .section-label {
      border-bottom-color: #e8e6f5;
    }

    .step-content {
      flex: 1;
    }

    .step-title {
      font-family: 'Poppins', sans-serif;
      font-weight: 600;
      font-size: 1rem;
      color: #2A3439;
      margin-bottom: 6px;
    }

    .step-desc {
      font-family: 'Roboto', sans-serif;
      font-size: 0.95rem;
      color: #555;
      line-height: 1.6;
    }

    .track-fit-section {
      background: #f8fffe;
      border-radius: 16px;
      padding: 32px;
      border: 1px solid #e0f2ef;
    }

    .fit-instruction {
      font-family: 'Roboto', sans-serif;
      font-size: 0.95rem;
      color: #666;
      margin-bottom: 20px;
    }

    .fit-checklist {
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 24px;
    }

    .fit-item {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 14px 18px;
      background: white;
      border-radius: 10px;
      cursor: pointer;
      transition: all 0.2s ease;
      border: 2px solid transparent;
    }

    .fit-item:hover {
      background: #f0faf8;
    }

    .fit-item.checked {
      background: #e5f5f2;
      border-color: #14b8a6;
    }

    .fit-checkbox {
      width: 22px;
      height: 22px;
      min-width: 22px;
      border: 2px solid #14b8a6;
      border-radius: 5px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.2s ease;
    }

    .fit-item.checked .fit-checkbox {
      background: #14b8a6;
    }

    .fit-checkmark {
      opacity: 0;
      color: white;
      font-weight: bold;
      font-size: 12px;
      transition: opacity 0.2s ease;
    }

    .fit-item.checked .fit-checkmark {
      opacity: 1;
    }

    .fit-text {
      font-family: 'Roboto', sans-serif;
      font-size: 0.95rem;
      color: #333;
    }

    .fit-text em {
      font-style: italic;
      color: #14b8a6;
    }

    .fit-result {
      text-align: center;
      padding-top: 16px;
      border-top: 1px solid #e0f2ef;
    }

    .fit-count {
      font-family: 'Poppins', sans-serif;
      font-size: 2rem;
      font-weight: 700;
      color: #14b8a6;
      transition: transform 0.2s ease;
    }

    .fit-count.bump {
      transform: scale(1.2);
    }

    .fit-total {
      font-family: 'Roboto', sans-serif;
      font-size: 1rem;
      color: #999;
    }

    .fit-message {
      font-family: 'Roboto', sans-serif;
      font-size: 1rem;
      color: #0d9488;
      font-weight: 500;
      margin-top: 8px;
      min-height: 24px;
    }

    .tracks-cta {
      text-align: center;
      margin-top: 48px;
      padding: 40px;
      background: linear-gradient(135deg, #f0faf8 0%, #e5f5f2 100%);
      border-radius: 20px;
    }

    .cta-text {
      font-family: 'Roboto', sans-serif;
      font-size: 1.1rem;
      color: #555;
      margin-bottom: 20px;
    }

    .cta-button {
      display: inline-block;
      padding: 16px 40px;
      background: #14b8a6;
      color: white;
      font-family: 'Roboto', sans-serif;
      font-size: 1.1rem;
      font-weight: 500;
      text-decoration: none;
      border-radius: 50px;
      transition: all 0.3s ease;
    }

    .cta-button:hover {
      background: #0d9488;
      transform: scale(1.03);
    }

    @media (max-width: 768px) {
      .tracks-section {
        padding: 40px 16px;
      }
      
      .tracks-title {
        font-size: 1.75rem;
      }
      
      .tracks-subtitle {
        font-size: 1rem;
      }
      
      .track-selector {
        flex-direction: column;
        gap: 12px;
      }
      
      .track-tab {
        min-width: 100%;
        padding: 20px 24px;
      }
      
      .tab-icon {
        font-size: 1.75rem;
      }
      
      .tab-label {
        font-size: 1rem;
      }
      
      .track-intro {
        margin-bottom: 32px;
      }
      
      .intro-text {
        font-size: 1rem;
      }
      
      .callout-text {
        font-size: 1.2rem;
        padding: 18px 20px;
      }
      
      .callout-text.secondary {
        font-size: 1.1rem;
      }
      
      .section-label {
        font-size: 1.1rem;
      }
      
      .what-we-do {
        margin-bottom: 32px;
      }
      
      .steps-grid {
        gap: 12px;
      }
      
      .step-card {
        padding: 16px 18px;
        gap: 14px;
      }
      
      .step-number {
        width: 32px;
        height: 32px;
        min-width: 32px;
        font-size: 0.9rem;
      }
      
      .step-title {
        font-size: 0.95rem;
      }
      
      .step-desc {
        font-size: 0.9rem;
      }
      
      .track-fit-section {
        padding: 24px 18px;
        border-radius: 12px;
      }
      
      .fit-instruction {
        font-size: 0.9rem;
      }
      
      .fit-checklist {
        gap: 10px;
      }
      
      .fit-item {
        padding: 12px 14px;
        gap: 12px;
      }
      
      .fit-checkbox {
        width: 20px;
        height: 20px;
        min-width: 20px;
      }
      
      .fit-checkmark {
        font-size: 11px;
      }
      
      .fit-text {
        font-size: 0.9rem;
      }
      
      .fit-count {
        font-size: 1.75rem;
      }
      
      .fit-total {
        font-size: 0.9rem;
      }
      
      .fit-message {
        font-size: 0.9rem;
      }
      
      .tracks-cta {
        padding: 28px 20px;
        margin-top: 32px;
        border-radius: 16px;
      }
      
      .cta-text {
        font-size: 1rem;
      }
      
      .cta-button {
        padding: 14px 32px;
        font-size: 1rem;
        width: 100%;
        text-align: center;
      }
    }

    @media (max-width: 400px) {
      .tracks-section {
        padding: 32px 12px;
      }
      
      .tracks-title {
        font-size: 1.5rem;
      }
      
      .track-tab {
        padding: 16px 20px;
      }
      
      .callout-text {
        font-size: 1.1rem;
        padding: 16px 18px;
      }
      
      .step-card {
        padding: 14px 16px;
      }
      
      .track-fit-section {
        padding: 20px 14px;
      }
      
      .fit-item {
        padding: 10px 12px;
      }
      
      .tracks-cta {
        padding: 24px 16px;
      }
    }
  </style>