@layer layout {
  /* Global spacing for sections */
  section { margin-bottom: 20px; }

  /* Primary content container */
  main {
    max-width: 700px;
    margin: 20px auto 60px;
    flex-flow: column;
    display: flex;
    padding-right: var(--site-padding);
    padding-left: var(--site-padding);
    width: 100%;
  }

  /* Generic nav element (structural) */
  nav {
    align-items: center;
    display: inline-flex;
  }

  /* Generic nav list layout (affects header/footer) */
  nav ul {
    display: flex;
    flex-wrap: wrap;
    list-style-type: none;
    margin: 0;
    padding: 0;
    gap: 30px;
  }

  /* Shared container widths for header & footer */
  header,
  body > footer {
    width: 100%;
    align-items: center;
    justify-content: center;
    justify-content: space-between;
    display: flex;
    margin-left: auto;
    margin-right: auto;
    padding-right: var(--site-padding);
    padding-left: var(--site-padding);
    max-width: var(--site-width);
  }

  /* CTA group layout */
  .md-cta-group {
    display: flex;
    flex-direction: row;
    gap: 36px;
    justify-content: center;
    margin: 40px 0 80px;
  }

  @media (width <= 576px) {
    .md-cta-group { flex-direction: column; }
  }

  /* Grid helpers */
  .md-grid-2,
  .md-grid-3 {
    display: grid;
    max-width: 100%;
    margin: 0 0 20px;
  }

  .md-grid-2 {
    grid-template-columns: 1fr 1fr;
    grid-gap: 32px;
  }

  .md-grid-3 {
    grid-template-columns: 1fr 1fr 1fr;
    grid-gap: 24px;
  }

  @media (width <= 767px) {
    section.md-grid-2,
    section.md-grid-3 {
      grid-template-columns: 1fr;
      grid-gap: 24px;
    }
  }

  /* FLOW section pattern */
  main > section.md-flow {
    display: flex;
    flex-direction: column;
    text-align: center;
    align-items: center;
    padding: 2rem 1rem;
    max-width: 700px;
    margin: 0 auto;
  }

  main > section.md-flow > h2,
  main > section.md-flow > p {
    max-width: 700px;
    text-align: center;
    margin: 0 auto 1rem;
    padding: 0 1rem;
  }

  main > section.md-flow > ul {
    max-width: 700px;
    margin: 0 auto 1.5rem;
    padding-left: 0;
    text-align: center;
  }

  main > section.md-flow > ul li { 
    text-align: center;
    list-style: none;
  }

  main > section.md-flow > dl {
    max-width: 700px;
    margin: 0 auto 1.5rem;
    text-align: center;
    padding: 0;
  }

  main > section.md-flow > h2 + dl {
    margin-top: 0.75rem;
  }

  main > section.md-flow > dl > dd {
    max-width: 600px;
    margin: 1rem auto 0.9rem;
  }

  main > section.md-flow > dl > dt {
    margin: 1rem 0 0.35rem;
  }

  main > section.md-flow > blockquote {
    max-width: 700px;
    margin: 20px auto 40px;
    padding-left: 32px;
    border-left: 8px solid var(--brand-color-primary);
  }

  @media (width <= 600px) {
    main > section.md-flow { 
      padding: 1rem 0.5rem; 
    }

    main > section.md-flow > ul {
      max-width: 100%;
      padding: 0 1rem;
    }

    main > section.md-flow > dl {
      max-width: 100%;
      padding: 0 1rem;
    }

    main > section.md-flow > ul li { 
      font-size: var(--text-s); 
    }
  }
}