:root {
      --page-czerny-op-599-primary-color: #007bff;
      --page-czerny-op-599-secondary-color: #6c757d;
      --page-czerny-op-599-background-light: #f8f9fa;
      --page-czerny-op-599-background-dark: #343a40;
      --page-czerny-op-599-text-dark: #212529;
      --page-czerny-op-599-text-light: #ffffff;
      --page-czerny-op-599-border-color: #dee2e6;
      --page-czerny-op-599-accent-color: #ffc107;
    }

    .page-czerny-op-599 {
      font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
      line-height: 1.6;
      color: var(--page-czerny-op-599-text-dark);
      background-color: var(--page-czerny-op-599-background-light);
      padding-top: 10px; /* Minimal top padding, assuming shared.css handles body padding-top */
    }

    .page-czerny-op-599__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }

    @media (max-width: 768px) {
      .page-czerny-op-599__container {
        padding: 15px;
      }
    }

    .page-czerny-op-599__hero-section {
      text-align: center;
      padding: 60px 20px;
      background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('[GALLERY:hero:1920x1080:piano,music,score,czerny op 599]') no-repeat center center/cover;
      color: var(--page-czerny-op-599-text-light);
      border-radius: 8px;
      margin-bottom: 40px;
      position: relative;
    }

    .page-czerny-op-599__hero-title {
      font-size: 3.5em;
      margin-bottom: 20px;
      color: var(--page-czerny-op-599-text-light);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-czerny-op-599__hero-subtitle {
      font-size: 1.5em;
      margin-bottom: 30px;
      color: var(--page-czerny-op-599-text-light);
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    .page-czerny-op-599__button {
      display: inline-block;
      padding: 15px 30px;
      background-color: var(--page-czerny-op-599-accent-color);
      color: var(--page-czerny-op-599-text-dark);
      text-decoration: none;
      border-radius: 5px;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
      font-size: 1.1em;
    }

    .page-czerny-op-599__button:hover {
      background-color: #e0a800;
      transform: translateY(-2px);
    }

    @media (max-width: 768px) {
      .page-czerny-op-599__hero-title {
        font-size: 2.5em;
      }

      .page-czerny-op-599__hero-subtitle {
        font-size: 1.2em;
      }

      .page-czerny-op-599__hero-section {
        padding: 40px 15px;
      }
    }

    .page-czerny-op-599__section {
      background-color: var(--page-czerny-op-599-text-light);
      padding: 40px;
      margin-bottom: 30px;
      border-radius: 8px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    }

    .page-czerny-op-599__section-title {
      font-size: 2.5em;
      color: var(--page-czerny-op-599-primary-color);
      margin-bottom: 25px;
      text-align: center;
      position: relative;
      padding-bottom: 10px;
    }

    .page-czerny-op-599__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--page-czerny-op-599-accent-color);
      border-radius: 2px;
    }

    .page-czerny-op-599__section-content p {
      margin-bottom: 15px;
      font-size: 1.1em;
      color: var(--page-czerny-op-599-secondary-color);
    }

    .page-czerny-op-599__image-wrapper {
      text-align: center;
      margin: 30px 0;
    }

    .page-czerny-op-599__image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      width: 100%; /* Ensure it takes full width of its container */
      box-sizing: border-box; /* Include padding and border in the element's total width and height */
    }

    @media (max-width: 768px) {
      .page-czerny-op-599__section {
        padding: 20px;
      }

      .page-czerny-op-599__section-title {
        font-size: 2em;
      }

      .page-czerny-op-599__section-content p {
        font-size: 1em;
      }

      .page-czerny-op-599__image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
      .page-czerny-op-599__image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
    }

    .page-czerny-op-599__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-czerny-op-599__feature-item {
      background-color: var(--page-czerny-op-599-background-light);
      padding: 25px;
      border-radius: 8px;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
      box-sizing: border-box; /* Required for list items */
    }

    .page-czerny-op-599__feature-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.12);
    }

    .page-czerny-op-599__feature-item h3 {
      font-size: 1.5em;
      color: var(--page-czerny-op-599-primary-color);
      margin-bottom: 15px;
    }

    .page-czerny-op-599__feature-item p {
      font-size: 1em;
      color: var(--page-czerny-op-599-secondary-color);
      word-wrap: break-word !important; /* Ensure text wraps */
      overflow-wrap: break-word !important;
      word-break: break-word !important;
    }

    .page-czerny-op-599__feature-icon {
      width: 100px;
      height: 100px;
      margin-bottom: 20px;
      border-radius: 50%;
      background-color: var(--page-czerny-op-599-accent-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 2em;
      color: var(--page-czerny-op-599-text-dark);
      overflow: hidden; /* Ensure image fits */
    }

    .page-czerny-op-599__feature-icon img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    @media (max-width: 768px) {
      .page-czerny-op-599__features-grid {
        grid-template-columns: 1fr;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-czerny-op-599__feature-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 20px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
    }

    .page-czerny-op-599__faq-section {
      background-color: var(--page-czerny-op-599-text-light);
      padding: 40px;
      margin-bottom: 30px;
      border-radius: 8px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    }

    .page-czerny-op-599__faq-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .page-czerny-op-599__faq-item {
      border-bottom: 1px solid var(--page-czerny-op-599-border-color);
      margin-bottom: 10px;
      box-sizing: border-box; /* Required for list items */
    }

    .page-czerny-op-599__faq-item:last-child {
      border-bottom: none;
      margin-bottom: 0;
    }

    .page-czerny-op-599__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 0;
      font-size: 1.2em;
      color: var(--page-czerny-op-599-text-dark);
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-czerny-op-599__faq-question:hover {
      background-color: #f1f1f1;
    }

    .page-czerny-op-599__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      flex-grow: 1;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-czerny-op-599__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
      color: var(--page-czerny-op-599-primary-color);
    }

    .page-czerny-op-599__faq-item.active .page-czerny-op-599__faq-toggle {
      transform: rotate(45deg);
    }

    .page-czerny-op-599__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: var(--page-czerny-op-599-secondary-color);
      font-size: 1em;
      word-wrap: break-word !important; /* Ensure text wraps */
      overflow-wrap: break-word !important;
      word-break: break-word !important;
    }

    .page-czerny-op-599__faq-item.active .page-czerny-op-599__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to accommodate content */
      padding: 20px 15px !important;
      opacity: 1;
    }

    @media (max-width: 768px) {
      .page-czerny-op-599__faq-section {
        padding: 20px;
      }
      .page-czerny-op-599__faq-list {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-czerny-op-599__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      .page-czerny-op-599__faq-question {
        padding: 10px 0;
        font-size: 1.1em;
      }
      .page-czerny-op-599__faq-question h3 {
        font-size: 1.1em;
      }
      .page-czerny-op-599__faq-answer {
        padding: 15px 10px !important;
        font-size: 0.95em;
      }
    }

    .page-czerny-op-599__promo-section {
      text-align: center;
      padding: 50px 20px;
      background-color: var(--page-czerny-op-599-primary-color);
      color: var(--page-czerny-op-599-text-light);
      border-radius: 8px;
      margin-bottom: 40px;
    }

    .page-czerny-op-599__promo-title {
      font-size: 2.2em;
      margin-bottom: 15px;
      color: var(--page-czerny-op-599-text-light);
    }

    .page-czerny-op-599__promo-text {
      font-size: 1.2em;
      margin-bottom: 30px;
      line-height: 1.8;
    }

    .page-czerny-op-599__promo-button {
      display: inline-block;
      padding: 15px 35px;
      background-color: var(--page-czerny-op-599-accent-color);
      color: var(--page-czerny-op-599-text-dark);
      text-decoration: none;
      border-radius: 5px;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
      font-size: 1.1em;
    }

    .page-czerny-op-599__promo-button:hover {
      background-color: #e0a800;
      transform: translateY(-2px);
    }

    @media (max-width: 768px) {
      .page-czerny-op-599__promo-section {
        padding: 30px 15px;
      }
      .page-czerny-op-599__promo-title {
        font-size: 1.8em;
      }
      .page-czerny-op-599__promo-text {
        font-size: 1em;
      }
      .page-czerny-op-599__promo-button {
        padding: 12px 25px;
        font-size: 1em;
      }
    }