body {
    margin: 0;
    background: #fff;
    color: #333;
    font-family: Georgia, serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }
  
  /* top nav */
  .navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 36px;
  }
  
  .brand a {
    font-size: 22px;
    font-weight: 400;
    color: #333;
    text-decoration: none;
    letter-spacing: 0;
  }
  
  .nav-tabs {
    display: flex;
    gap: 34px;
  }
  
  .nav-tabs a {
    font-size: 18px;
    font-weight: 400;
    color: #555;
    text-decoration: none;
  }
  
  .nav-tabs a:hover {
    text-decoration: underline;
    text-underline-offset: 6px;
  }
  
  /* main content */
  .flex-container {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 64px;
    max-width: 1000px;
    margin: 120px auto 0;
    padding: 0 40px 60px;
  }
  
  .left-column {
    flex: 0 0 380px;
  }
  
  .left-column img {
    width: 100%;
    height: auto;
    display: block;
  }
  
  .right-column {
    flex: 0 1 480px;
    padding-top: 50px;
  }
  
  .blurb-box p {
    margin: 0;
    font-size: 20px;
    line-height: 1.65;
    color: #333;
  }

  .pdf-container {
    display: flex;
    justify-content: center;
    margin: 80px auto 80px;
}

.pdf-container iframe {
    width: 85%;
    max-width: 1100px;
    height: 900px;
    border: none;
}

.page-content {
    max-width: 750px;
    margin: 110px auto;
    padding: 0 40px;
}

.page-content h1 {
    font-size: 34px;
    font-weight: 400;
    margin-bottom: 50px;
}

.teaching-item {
    margin-bottom: 45px;
    padding-bottom: 25px;
    
}

.teaching-item h3 {
    margin: 0 0 10px 0;
    font-size: 24px;
    font-weight: 500;
}

.teaching-item p {
    margin: 0;
    font-size: 20px;
    line-height: 1.6;
}

.teaching-item span {
    display: block;
    margin-top: 10px;
    color: #777;
    font-size: 17px;
}

.course-line {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}