/* ========== Layout ========== */
main {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1rem;
    display: none; /* Toggled by JS */
  }
  
  section {
    margin-bottom: 3rem;
    width: 100%;
  }
  
  header.intro {
    text-align: center;
    padding: 3rem 1rem 2rem 1rem;
    background: #000;
  }
  
  .footer {
    text-align: center;
    color: #fff;
    opacity: 0.5;
    font-size: 0.95rem;
    margin-top: 2rem;
  }
  
  /* ========== Utility Classes ========== */
  .align-left {
    text-align: left;
    align-items: flex-start;
  }
  .align-right {
    text-align: right;
    align-items: flex-end;
  }
  
  .divider {
    width: 100%;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.1);
    margin: 3rem 0;
  }