/* CAD's open study / portfolio / editorial rhythm, scoped to Arbortext.
   Copy, geometry, source images and native disclosure state remain independent. */
.arbortext-page .at-study{background:#072b40;color:#fff}
.arbortext-page .at-study-intro{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.8fr);gap:0 8%;max-width:none;margin-bottom:28px;align-items:end}
.arbortext-page .at-study-intro>.ip-label{grid-column:1/-1}
.arbortext-page .at-study-intro h2{margin:0;color:#fff}
.arbortext-page .at-study-intro h2 em{color:#7ad9d3}
.arbortext-page .at-study-intro p,.arbortext-page .at-study-note,.arbortext-page .at-output-choices legend{color:var(--body-text-on-dark)}
.arbortext-page .at-study .ip-label{color:#a2dcd9}
.arbortext-page .at-study-note{margin-bottom:0}
.arbortext-page .at-composer-grid{grid-template-columns:minmax(0,.8fr) 54px minmax(0,1.2fr);align-items:stretch}
.arbortext-page .at-source{background:#0c3b50;border-left-color:#78d9d3;display:flex;flex-direction:column;justify-content:center;padding:28px}
.arbortext-page .at-source .at-meta{color:#a2dcd9}
.arbortext-page .at-source h3{color:#fff}
.arbortext-page .at-source p{color:var(--body-text-on-dark)}
.arbortext-page .at-source .at-shared-topic{border-color:#78d9d3}
.arbortext-page .at-reuse-connector{color:#79d9d3}
.arbortext-page .at-publication{box-shadow:none;border:0;padding:28px 32px}
.arbortext-page .at-publication .at-shared-topic h3{color:#0b3b50}
.arbortext-page .at-output-choices label>span{background:transparent;border-color:#487787;color:var(--body-text-on-dark)}
.arbortext-page .at-output-choices input:checked+span{background:#164c60;border-color:#79d9d3;box-shadow:inset 0 -2px #79d9d3}
.arbortext-page .at-output-choices .ms-icon{color:#79d9d3}
.arbortext-page .at-role-ledger{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px;border:0}
.arbortext-page .at-role-row{display:flex;flex-direction:column;align-items:stretch;gap:14px;padding:28px 0;border-top:1px solid #accfd7;border-bottom:0;min-width:0}
.arbortext-page .at-role-row:is(:hover,:focus-within){border-top-color:#159ba5}
.arbortext-page .at-role-label{padding:0}
.arbortext-page .at-role-label .ms-icon{display:grid;place-items:center;width:48px;height:48px;background:#dceff1;border:1px solid #b9dce2}
.arbortext-page .at-role-row h3{margin:0}
.arbortext-page .at-role-description{display:flex;flex-direction:column;flex:1}
.arbortext-page .at-role-description>details{margin-top:auto;max-width:none;border-top:1px solid #c1dce2;padding-top:8px}
.arbortext-page .at-family-note{padding-top:22px;border-top:1px solid #accfd7;margin-top:12px}
/* One unnumbered briefing sheet contrasts with the product portfolio above. */
.arbortext-page .at-preparation{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:6%;align-items:start}
.arbortext-page .at-preparation-intro{display:block;margin:0}
.arbortext-page .at-preparation-intro>p{margin:20px 0 0;max-width:520px}
.arbortext-page .at-brief-triptych{display:block;border-top:1px solid #b9d6df}
.arbortext-page .at-brief-triptych li{display:block;padding:22px 0;border-top:0;border-bottom:1px solid #b9d6df}
.arbortext-page .at-brief-triptych li>div{display:grid;grid-template-columns:minmax(0,.65fr) minmax(0,1fr);gap:20px}
.arbortext-page .at-brief-triptych h3{margin:0}
.arbortext-page :is(.at-study,.at-family,.at-preparation) :is(h2,h3,p,summary,a){overflow-wrap:anywhere}
@media(max-width:1100px){.arbortext-page .at-role-ledger{gap:0 32px}.arbortext-page .at-preparation{grid-template-columns:1fr;gap:28px}.arbortext-page .at-brief-triptych li>div{grid-template-columns:minmax(0,.6fr) minmax(0,1fr)}}
@media(max-width:850px){.arbortext-page .at-study-intro{grid-template-columns:1fr;gap:20px}.arbortext-page .at-study-intro>.ip-label{margin-bottom:0}.arbortext-page .at-composer-grid{grid-template-columns:1fr}.arbortext-page .at-source{padding:24px}.arbortext-page .at-reuse-connector{height:42px}.arbortext-page .at-publication{padding:24px}.arbortext-page .at-role-row{padding:24px 0}}
@media(max-width:600px){.arbortext-page .at-role-ledger{grid-template-columns:1fr;gap:0}.arbortext-page .at-role-row{gap:14px}.arbortext-page .at-brief-triptych li>div{grid-template-columns:1fr;gap:10px}.arbortext-page .at-source,.arbortext-page .at-publication{padding:22px 20px}}
@media(prefers-reduced-motion:reduce){.arbortext-page .at-role-row{transition:none}}