/* Author-requested home and research-page changes; approved shared styles stay intact. */
.home-page .identity { grid-template-columns: minmax(0, 1fr) 320px; gap: 48px; align-items: center; margin-bottom: 38px; }
.home-page .portrait { width: 320px; height: 320px; }
.home-page .home-bio { max-width: 940px; margin-bottom: 42px; }
.home-page .home-bio h2 { margin-bottom: 18px; }
.home-page .home-bio p { font-size: .96rem; }
.home-page .research-notes { grid-template-columns: 1fr 1fr; gap: 38px; }
.home-page .interest-list { list-style: none; margin: 0; padding: 0; columns: 2; column-gap: 22px; }
.home-page .interest-list li { padding: 4px 0; font-size: .88rem; line-height: 1.5; break-inside: avoid; }
.home-page .home-notes { display: block; margin-top: 36px; }
.home-page .home-notes > section { max-width: 940px; }
.home-page .topic-card, .research-overview .topic-card { display: flex; flex-direction: column; }
.home-page .topic-card .topic-summary, .research-overview .topic-card .topic-summary { margin-bottom: 24px; }
.home-page .topic-card .pillar-resource, .research-overview .topic-card .pillar-resource { margin-top: auto; padding-top: 2px; }
.home-page .topic-card .pillar-resource a, .research-overview .topic-card .pillar-resource a { display: inline-flex; align-items: center; gap: 7px; min-height: 40px; }
.research-overview .research-pillars { margin-top: 0; }
.research-overview .research-pillars > h2 { font: 650 .9rem/1.4 var(--sans); margin-bottom: 25px; }
.home-page .tutorial-callout, .research-overview .tutorial-callout, .topic-page .tutorial-callout { display: flex; align-items: center; justify-content: space-between; gap: 25px; margin-top: 40px; padding: 25px 28px; border: 1px solid #e3dcd2; border-left: 3px solid var(--burgundy); background: var(--tint); }
.tutorial-callout h2 { font-size: 1.5rem; margin-bottom: 10px; }
.tutorial-callout p { margin: 0; max-width: 760px; font-size: .9rem; }
.tutorial-callout .button { flex: 0 0 auto; gap: 8px; }
.topic-page .page-heading { max-width: 1020px; }
.topic-page .page-heading h1 { max-width: 24ch; font-size: clamp(2.2rem, 4.4vw, 3.4rem); }
.topic-page .page-heading .eyebrow a { text-decoration: none; }
.topic-page .topic-content { min-width: 0; }
.topic-page .topic-section + .topic-section { margin-top: 38px; }
.topic-page .topic-section > h2 { font-size: 1.72rem; margin-bottom: 17px; }
.topic-page .topic-synopsis > p { font-size: 1.02rem; margin: 0; }
.topic-page .tutorial-callout { margin: 29px 0 37px; padding: 23px 25px; }
.topic-page .specific-topics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 23px 30px; margin: 0; }
.topic-page .specific-topics > div { border-top: 1px solid var(--line); padding-top: 16px; }
.topic-page .specific-topics dt { color: var(--navy); font: 650 .92rem/1.5 var(--sans); margin-bottom: 7px; }
.topic-page .specific-topics dd { margin: 0; font-size: .9rem; }
.topic-page .publication-section > h2 { margin-bottom: 0; }
.topic-page .topic-return { margin: 34px 0 0; }
.tutorial-page .page-heading { max-width: 960px; }
.tutorial-page .breadcrumbs { display: flex; flex-wrap: wrap; gap: 5px 10px; margin-bottom: 20px; font-size: .8rem; line-height: 1.5; }
.tutorial-page .breadcrumbs a { text-decoration: none; }
.tutorial-page .page-heading > h1 { margin-bottom: 24px; }
.tutorial-page .page-heading > p:last-child:not(.eyebrow) { margin-top: 0; }
@media (max-width: 860px) {
  .home-page .identity { grid-template-columns: minmax(0, 1fr) 260px; gap: 28px; }
  .home-page .portrait { width: 260px; height: 260px; }
  .home-page .interest-list { columns: 1; }
  .topic-page .contents { padding-top: 0; }
}
@media (max-width: 620px) {
  .home-page .identity { grid-template-columns: 1fr; gap: 27px; }
  .home-page .portrait { width: 220px; height: 220px; }
  .home-page .home-bio { margin-bottom: 34px; }
  .home-page .research-notes { grid-template-columns: 1fr; gap: 24px; }
  .home-page .interest-list { columns: 2; }
  .home-page .tutorial-callout, .research-overview .tutorial-callout, .topic-page .tutorial-callout { flex-direction: column; align-items: flex-start; gap: 18px; padding: 22px 21px; margin-top: 32px; }
  .topic-page .specific-topics { grid-template-columns: 1fr; gap: 18px; }
  .topic-page .topic-section + .topic-section { margin-top: 31px; }
  .topic-page .page-heading h1 { max-width: none; font-size: clamp(2rem, 8vw, 2.7rem); }
}
@media (max-width: 380px) {
  .home-page .interest-list { columns: 1; }
}
@media print {
  .home-page .identity { grid-template-columns: minmax(0, 1fr) 150px; }
  .home-page .portrait { width: 150px; height: 150px; }
  .home-page .interest-list { columns: 2; }
  .home-page .tutorial-callout, .research-overview .tutorial-callout, .topic-page .tutorial-callout { display: block; break-inside: avoid; }
  .tutorial-callout .button { margin-top: 10px; }
  .topic-page .specific-topics { display: block; }
  .topic-page .specific-topics > div { break-inside: avoid; margin-bottom: 16px; }
  .topic-page .topic-synopsis { break-inside: avoid; }
}

/* BPS links and tutorial application sections requested by the author. */
.home-page .topic-card .pillar-resource, .research-overview .topic-card .pillar-resource { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 25px; }
.tutorial-page .reading > p { font-size: .93rem; }
.tutorial-page .reading > p:last-child { margin-bottom: 0; }
.tutorial-page .application-links { margin: 15px 0 27px; }
.tutorial-page .application-domain { margin-top: 29px; }
.tutorial-page .application-domain > h3 { color: var(--burgundy); font: 650 1rem/1.5 var(--sans); margin-bottom: 2px; }
.tutorial-page .application-domain .bibliography-item h4 { font: 500 1.17rem/1.3 var(--serif); margin-bottom: 10px; }
.tutorial-page .application-domain .bibliography-item h4 a { color: var(--navy); text-decoration: none; }
.tutorial-page .application-domain .bibliography-item h4 a:hover { color: var(--burgundy); text-decoration: underline; }