/* Professional Design Variables */
    :root {
      --primary: #2c5282; /* Deep, trustworthy blue */
      --secondary: #718096; /* Neutral gray */
      --accent: #38b2ac; /* Calm teal for subtle highlights */
      --dark: #1a202c;
      --light: #f7fafc;
      --text-dark: #2d3748;
      --text-light: #ffffff;
      --border-color: #e2e8f0;
      --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
      --border-radius: 8px;
      --shadow-subtle: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    }

    /* Simplified, Clean Background */
    .professional-bg {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: -1;
      background-color: var(--light);
      opacity: 0.98;
    }

    /* Main Content Container */
    .main-content {
      max-width: 1200px;
      margin: 0 auto;
      padding: 2rem 1.5rem;
      position: relative;
      z-index: 1;
    }

    /* Clean Divider */
    .content-divider {
      border: none;
      height: 1px;
      background-color: var(--border-color);
      margin: 3rem auto;
      width: 100%;
    }

    /* Hero Container Styling */
    hero-container {
      display: block;
      background-color: white;
      border-radius: var(--border-radius);
      padding: 3rem 2rem;
      margin: 1rem auto 2rem auto;
      max-width: 1200px;
      position: relative;
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-subtle);
    }

    .hero-content {
      max-width: 800px;
      margin: 0 auto;
      text-align: center;
    }

    .hero-title {
      font-family: var(--font-main);
      font-size: 2.5rem;
      font-weight: 600;
      color: var(--dark);
      margin-bottom: 1rem;
      line-height: 1.2;
    }

    .hero-subtitle {
      font-size: 1.2rem;
      color: var(--text-dark);
      line-height: 1.6;
      margin-bottom: 2rem;
    }

    .clinical-objectives {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 1rem;
      margin-top: 2rem;
    }

    .objective-pill {
      background-color: #ebf8ff;
      color: var(--primary);
      padding: 0.6rem 1.2rem;
      border-radius: 2rem;
      font-size: 0.9rem;
      font-weight: 500;
      border: 1px solid #bee3f8;
    }

    /* Main Container Styling */
    main-container {
      display: block;
      max-width: 1200px;
      margin: 0 auto 3rem auto;
      padding: 0 1rem;
    }

    .section-title {
      font-family: var(--font-main);
      font-size: 2rem;
      font-weight: 600;
      color: var(--dark);
      margin-bottom: 1.5rem;
    }

    .section-intro {
      font-size: 1.1rem;
      color: var(--text-dark);
      line-height: 1.7;
      margin-bottom: 2.5rem;
      max-width: 800px;
    }

    /* Clinical Stages Section */
    .clinical-stages {
      background-color: white;
      border-radius: var(--border-radius);
      padding: 2.5rem;
      margin-bottom: 3rem;
      border: 1px solid var(--border-color);
    }

    .stages-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 2rem;
      margin-top: 1.5rem;
    }

    .stage-card {
      background-color: white;
      border-radius: var(--border-radius);
      padding: 1.8rem;
      border-left: 4px solid var(--secondary);
      border-top: 1px solid var(--border-color);
      border-right: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      transition: all 0.2s ease;
    }

    .stage-card:hover {
      box-shadow: var(--shadow-subtle);
    }

    .stage-card.mild {
      border-left-color: #38b2ac; /* Teal for preventative */
    }

    .stage-card.moderate {
      border-left-color: #2c5282; /* Blue for maintenance */
    }

    .stage-card.severe {
      border-left-color: #4a5568; /* Dark gray for intensive */
    }

    .stage-title {
      font-size: 1.4rem;
      font-weight: 600;
      color: var(--dark);
      margin-bottom: 0.8rem;
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .stage-icon {
      font-size: 1.2rem;
      color: var(--secondary);
    }

    .stage-description {
      color: var(--text-dark);
      line-height: 1.6;
      margin-bottom: 1.2rem;
      font-size: 0.95rem;
    }

    .stage-focus {
      color: var(--primary);
      font-weight: 500;
      font-size: 0.9rem;
      padding-top: 1rem;
      border-top: 1px dashed var(--border-color);
    }

    /* Integrative Approach Section */
    .integrative-approach {
      background-color: white;
      border-radius: var(--border-radius);
      padding: 2.5rem;
      margin-bottom: 3rem;
      border: 1px solid var(--border-color);
    }

    .approach-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 2rem;
      margin-top: 2rem;
    }

    .therapy-card {
      background-color: white;
      border-radius: var(--border-radius);
      padding: 2rem;
      border: 1px solid var(--border-color);
    }

    .therapy-icon {
      font-size: 2rem;
      color: var(--primary);
      margin-bottom: 1.2rem;
    }

    .therapy-title {
      font-size: 1.3rem;
      font-weight: 600;
      color: var(--dark);
      margin-bottom: 0.8rem;
    }

    .therapy-description {
      color: var(--text-dark);
      line-height: 1.6;
      margin-bottom: 1.2rem;
      font-size: 0.95rem;
    }

    .therapy-list {
      list-style: none;
      padding: 0;
      margin-top: 1rem;
    }

    .therapy-list li {
      color: var(--text-dark);
      margin-bottom: 0.6rem;
      padding-left: 1.5rem;
      position: relative;
      font-size: 0.9rem;
    }

    .therapy-list li:before {
      content: "•";
      color: var(--accent);
      position: absolute;
      left: 0;
      font-weight: bold;
    }

    /* PDF Resource Section */
    .resource-section {
      background-color: #f0f9ff;
      border-radius: var(--border-radius);
      padding: 2.5rem;
      margin: 3rem 0;
      text-align: center;
      border: 1px solid #bee3f8;
    }

    .resource-title {
      font-size: 1.6rem;
      color: var(--dark);
      margin-bottom: 1rem;
    }

    .resource-description {
      color: var(--text-dark);
      max-width: 700px;
      margin: 0 auto 2rem;
      line-height: 1.6;
    }

    .resource-download {
      display: inline-flex;
      align-items: center;
      gap: 0.8rem;
      background-color: var(--primary);
      color: white;
      padding: 0.9rem 2rem;
      border-radius: var(--border-radius);
      text-decoration: none;
      font-weight: 500;
      font-size: 1rem;
      transition: background-color 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .resource-download:hover {
      background-color: #2a4365;
    }

    /* Management Principles Section */
    .management-principles {
      background-color: white;
      border-radius: var(--border-radius);
      padding: 2.5rem;
      margin-bottom: 3rem;
      border: 1px solid var(--border-color);
    }

    .principles-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 1.8rem;
      margin-top: 2rem;
    }

    .principle-card {
      text-align: center;
      padding: 1.5rem;
    }

    .principle-icon {
      font-size: 2rem;
      color: var(--primary);
      margin-bottom: 1.2rem;
    }

    .principle-title {
      font-size: 1.2rem;
      color: var(--dark);
      margin-bottom: 0.8rem;
    }

    .principle-description {
      color: var(--text-dark);
      line-height: 1.6;
      font-size: 0.9rem;
    }