/* Helvetica text aligned to the same column as the surrounding media. */
body #introduction.research-abstract.intro-readable{font-family:Helvetica,Arial,sans-serif!important;font-size:21px!important;line-height:1.7!important;color:#425563!important;text-align:left!important;letter-spacing:0!important}
body #introduction.intro-readable .intro-copy{width:100%;max-width:none;margin:0 auto;font-family:Helvetica,Arial,sans-serif;font-size:21px;line-height:1.7}
body #introduction.intro-readable .intro-copy p{font:400 21px/1.7 Helvetica,Arial,sans-serif!important;color:#425563!important;letter-spacing:0!important;text-align:left!important;text-wrap:pretty;margin:0 0 16px!important;max-width:none!important;padding:0!important}
body #introduction.intro-readable .intro-copy p:last-child{margin-bottom:0!important}
body #introduction.intro-readable .intro-copy .intro-lead{font-size:23px!important;line-height:1.6!important;color:#203749!important}
body #introduction.intro-readable .intro-framework{margin-top:32px}
body #introduction.intro-readable .intro-views{display:block;margin:20px 0;padding:0}
body #introduction.intro-readable .intro-views>div{display:grid;grid-template-columns:120px minmax(0,1fr);gap:20px;margin:0;padding:12px 0}
body #introduction.intro-readable .intro-views dt{font:600 21px/1.7 Helvetica,Arial,sans-serif;color:#203749;margin:0;padding:0}
body #introduction.intro-readable .intro-views dd{font:400 21px/1.7 Helvetica,Arial,sans-serif;color:#425563;margin:0;padding:0;text-wrap:pretty}
body #introduction.intro-readable .intro-overview{margin:36px 0!important}
body #introduction.intro-readable .intro-overview figcaption{font:400 12px/1.6 Helvetica,Arial,sans-serif!important;color:#657785!important;margin-top:12px!important}
@media(max-width:700px){
 body #introduction.intro-readable .intro-copy{font-size:18px}
 body #introduction.intro-readable .intro-copy p,body #introduction.intro-readable .intro-views dt,body #introduction.intro-readable .intro-views dd{font-size:18px!important;line-height:1.65!important}
 body #introduction.intro-readable .intro-copy .intro-lead{font-size:20px!important;line-height:1.55!important}
 body #introduction.intro-readable .intro-views>div{grid-template-columns:88px minmax(0,1fr);gap:16px;padding:10px 0}
 body #introduction.intro-readable .intro-framework{margin-top:28px}
 body #introduction.intro-readable .intro-overview{margin:28px 0!important}
}
@media(max-width:420px){
 body #introduction.intro-readable .intro-views>div{grid-template-columns:1fr;gap:4px;padding:10px 0}
}

/* Approved introduction: aligned opening, existing image cards, compact benchmark notes.
   Use the site's typography layer so these sizes override legacy inline rules. */
@layer m2a-typography {
  #introduction.research-abstract.intro-readable { margin-top: 0 !important; }
  #introduction .intro-copy.intro-motivation {
    display: grid !important;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    align-items: start;
    gap: 56px;
    padding-block: 32px;
  }
  #introduction .intro-motivation h2.intro-lead {
    margin: 0 !important;
    padding: 0 !important;
    font-size: clamp(28px, 2.65vw, 38px) !important;
    font-weight: 650 !important;
    line-height: 1.2 !important;
    letter-spacing: -0.035em !important;
    color: #203749 !important;
    text-align: left !important;
    text-wrap: balance;
  }
  #introduction .intro-context p {
    margin: 0 0 12px !important;
    font-size: 19px !important;
    font-weight: 400 !important;
    line-height: 1.65 !important;
  }
  #introduction .intro-context p:last-child { margin-bottom: 0 !important; }
  #introduction .intro-copy.intro-framework {
    margin-top: 0 !important;
    padding-top: 32px;
    border-top: 1px solid #dfe5e3;
  }
  #introduction h2.intro-framework-title {
    margin: 0 0 16px !important;
    font-size: 30px !important;
    font-weight: 650 !important;
    line-height: 1.25 !important;
    letter-spacing: -0.025em !important;
    color: #203749 !important;
    text-align: left !important;
    text-wrap: balance;
  }
  #introduction .intro-framework > p {
    margin: 0 !important;
    font-size: 18px !important;
    line-height: 1.6 !important;
    font-weight: 450 !important;
    color: #2b3d49 !important;
  }
  /* Match the card grid, with the reference page's fine coloured rules. */
  #introduction .intro-copy.intro-scope {
    margin-block: 40px 48px !important;
  }
  #introduction .intro-scope-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin: 0;
  }
  #introduction .intro-scope-note {
    min-width: 0;
    padding-top: 20px;
    border-top: 2px solid #3f7a69;
  }
  #introduction .intro-scope-note:nth-child(2) { border-top-color: #3d6a86; }
  #introduction .intro-scope-note:nth-child(3) { border-top-color: #8a6d2c; }
  #introduction .intro-scope-note dt {
    margin: 0 0 12px;
    font-size: 22px;
    font-weight: 600;
    line-height: 1.5;
    color: #203749;
  }
  #introduction .intro-scope-note dd {
    margin: 0;
    font-size: 18px;
    font-weight: 400;
    line-height: 1.75;
    color: #4b5f6b;
    text-wrap: pretty;
  }
  #introduction .intro-scope-summary {
    margin: 32px 0 0 !important;
    font-size: 18px !important;
    font-weight: 400 !important;
    line-height: 1.75 !important;
    color: #4b5f6b !important;
  }
  @media (max-width: 900px) {
    #introduction .intro-scope-grid { grid-template-columns: minmax(0, 1fr); }
  }
  @media (max-width: 860px) {
    #introduction .intro-copy.intro-motivation {
      grid-template-columns: minmax(0, 1fr);
      gap: 20px;
      padding-block: 24px;
    }
    #introduction .intro-motivation h2.intro-lead { max-width: 24ch; }
    #introduction .intro-motivation h2.intro-lead br { display: none; }
    #introduction .intro-context p { font-size: 18px !important; }
    #introduction .intro-copy.intro-framework { padding-top: 24px; }
  }
  @media (max-width: 700px) {
    #introduction h2.intro-framework-title { font-size: 26px !important; }
    #introduction .intro-scope-grid { grid-template-columns: minmax(0, 1fr); gap: 28px; }
    #introduction .intro-copy.intro-scope { margin-block: 32px 40px !important; }
  }
}