:root {
  color-scheme: light;
  --paper: #ffffff;
  --ink: #272727;
  --muted: #626262;
  --accent: #e03131;
  --link: #a62219;
  --button-hover: #a62219;
  --focus: var(--accent);
  --line: #e3e3e3;
  --tint: #f9d8d6;
  --group-background: #f7f7f7;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}

@media screen and (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --paper: #171717;
    --ink: #f5f5f5;
    --muted: #b8b8b8;
    --link: #ff9991;
    --focus: #ff9991;
    --line: #3a3a3a;
    --tint: #322020;
    --group-background: #242424;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 2rem; }
body { margin: 0; font-size: 1rem; line-height: 1.6; }
a { color: var(--link); text-underline-offset: .25em; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 3px solid var(--focus); outline-offset: 5px; border-radius: 2px; }
h1, h2, h3, h4, p { margin: 0; }
.container { width: min(1080px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 10; padding: 10px 16px; background: var(--paper); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.site-header { border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 94px; }
.wordmark { display: inline-flex; align-items: center; gap: 12px; font-size: 1.05rem; font-weight: 750; letter-spacing: .13em; text-decoration: none; color: var(--ink); }
.brand-mark { width: 15px; height: 15px; background: var(--accent); border-radius: 1px; }
.main-nav { display: flex; flex-wrap: wrap; gap: 32px; font-size: .9rem; }
.main-nav a { color: var(--ink); text-decoration: none; padding-block: 10px; }
.main-nav a:hover { color: var(--link); text-decoration: underline; }
.intro { padding-block: 70px 64px; }
.eyebrow { color: var(--link); font-size: .73rem; font-weight: 650; letter-spacing: .11em; text-transform: uppercase; }
.intro .eyebrow { margin-bottom: 24px; }
.intro .eyebrow a { text-decoration: none; }
.intro .eyebrow a:hover { text-decoration: underline; }
.eyebrow span { padding-inline: 9px; color: var(--muted); }
h1 { font-family: Georgia, "Times New Roman", serif; font-size: clamp(3rem, 6.8vw, 5.1rem); font-weight: 400; letter-spacing: -.045em; line-height: 1.05; }
.intro-text { max-width: 750px; margin-top: 28px; color: var(--muted); font-size: 1.1rem; line-height: 1.75; }
.primary-link { display: inline-flex; align-items: center; gap: 28px; margin-top: 28px; padding: 13px 20px; background: var(--accent); color: white; font-size: .9rem; font-weight: 550; text-decoration: none; border-radius: 3px; }
.primary-link:hover { background: var(--button-hover); }
.research { padding-block: 36px 44px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-heading .eyebrow { margin-bottom: 9px; }
h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 400; font-size: 2.2rem; letter-spacing: -.025em; line-height: 1.25; }
.research-topics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; margin-top: 28px; }
.topic-number { display: block; color: var(--link); font-size: .73rem; margin-bottom: 9px; }
.research-topics h3 { font-size: .96rem; font-weight: 650; line-height: 1.4; margin-bottom: 10px; }
.research-topics p { color: var(--muted); font-size: .88rem; line-height: 1.75; }
.talks { padding-block: 58px; border-bottom: 1px solid var(--line); }
.talks-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; }
.playlist-link a { display: inline-block; padding-block: 8px; font-size: .86rem; }
.talk-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; margin-top: 28px; }
.talk { display: flex; flex-direction: column; padding: 26px; border: 1px solid var(--line); border-radius: 3px; min-width: 0; }
.talk-date { color: var(--muted); font-size: .8rem; margin-top: 8px; }
.talk-format { color: var(--muted); font-size: .76rem; margin-top: 5px; }
.talk h3 { margin-top: 16px; font-size: 1.25rem; font-weight: 650; line-height: 1.4; overflow-wrap: anywhere; }
.talk-credits { margin-top: 12px; color: var(--muted); font-size: .81rem; line-height: 1.7; }
.talk-credits span { font-weight: 650; }
.talk-summary { margin-top: 22px; }
.talk-summary h4 { font-size: .75rem; font-weight: 650; color: var(--ink); margin-bottom: 7px; }
.talk-summary p { color: var(--muted); font-size: .88rem; line-height: 1.75; }
.talk-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: auto; padding-top: 22px; }
.talk-links a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; border: 1px solid var(--line); border-radius: 3px; padding: 9px 13px; font-size: .82rem; text-decoration: none; }
.talk-links a:hover { background: var(--tint); text-decoration: underline; }
.talks-archive { border-bottom: 0; }
.talks-archive h1 { font-size: clamp(2.8rem, 5vw, 4rem); }
.back-link { display: inline-flex; gap: 8px; margin-bottom: 30px; font-size: .86rem; }
.archive-intro { color: var(--muted); font-size: .9rem; margin-top: 20px; max-width: 650px; }
.people { padding-top: 58px; }
.people-heading { display: flex; justify-content: space-between; align-items: end; gap: 24px; }
.people-heading > p { font-size: .9rem; color: var(--muted); padding-bottom: 3px; }
.people-nav { display: flex; flex-wrap: wrap; gap: 10px; padding-block: 24px 32px; }
.people-nav a { display: flex; align-items: center; gap: 14px; border: 1px solid var(--line); border-radius: 3px; padding: 8px 13px; font-size: .82rem; text-decoration: none; }
.people-nav a:hover { background: var(--tint); }
.people-nav span { font-size: .72rem; color: var(--muted); }
.people-group + .people-group { margin-top: 38px; }
.group-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 0; padding: 16px 20px; border-left: 4px solid var(--accent); background: var(--group-background); }
.group-heading h3 { font-size: 1.3rem; font-weight: 750; line-height: 1.3; }
.group-count { font-size: .8rem; font-weight: 550; color: var(--muted); white-space: nowrap; }
.people-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.person { display: flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 72px; padding-block: 17px; border-bottom: 1px solid var(--line); }
.person-info { min-width: 0; }
.person h4 { font-size: 1rem; font-weight: 600; line-height: 1.45; }
.person-links { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; column-gap: 25px; row-gap: 8px; }
.person-links a { font-size: .81rem; padding-block: 5px; white-space: nowrap; text-decoration: none; }
.person-links a:hover { text-decoration: underline; }
.person-links span, .details-links span { margin-left: 5px; }
.group-details { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-block: 54px; padding: 28px 32px; background: var(--tint); border-radius: 3px; }
.group-details .eyebrow { margin-bottom: 9px; }
.group-details p:not(.eyebrow) { font-size: .86rem; color: var(--muted); }
.details-links { display: flex; flex-direction: column; gap: 12px; font-size: .84rem; }
.details-links a { text-decoration: none; }
.details-links a:hover { text-decoration: underline; }
.site-footer { border-top: 1px solid var(--line); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding-block: 25px; font-size: .72rem; color: var(--muted); }
.footer-inner strong { font-size: .74rem; color: var(--ink); letter-spacing: .06em; margin-right: 12px; }

@media (max-width: 720px) {
  .container { width: calc(100% - 40px); }
  .header-inner { min-height: 80px; gap: 10px 18px; flex-wrap: wrap; padding-block: 16px; }
  .main-nav { gap: 18px; font-size: .8rem; }
  .wordmark { font-size: .94rem; gap: 8px; }
  .brand-mark { width: 12px; height: 12px; }
  .intro { padding-block: 48px; }
  h1 { font-size: clamp(2.8rem, 9vw, 4.4rem); }
  .intro .eyebrow { font-size: .65rem; max-width: 290px; }
  .intro-text { font-size: 1rem; margin-top: 22px; }
  .research-topics { grid-template-columns: 1fr; gap: 22px; }
  .research-topics article { display: grid; grid-template-columns: 28px 1fr; column-gap: 10px; }
  .topic-number { margin-top: 2px; }
  .research-topics p { grid-column: 2; }
  .research-topics h3 { margin-bottom: 6px; }
  h2 { font-size: 1.85rem; }
  .talks { padding-block: 42px; }
  .talks-heading { align-items: flex-start; flex-direction: column; gap: 12px; }
  .talk-grid { grid-template-columns: 1fr; gap: 20px; margin-top: 20px; }
  .talk { padding: 22px; }
  .talk h3 { font-size: 1.15rem; }
  .people { padding-top: 42px; }
  .people-heading { display: block; }
  .people-heading > p { margin-top: 12px; }
  .group-heading { padding: 14px 16px; gap: 12px; }
  .group-heading h3 { font-size: 1.15rem; }
  .person { flex-direction: column; align-items: flex-start; gap: 8px; padding-block: 18px; }
  .person-links { justify-content: flex-start; column-gap: 22px; }
  .person-links a { min-height: 36px; display: inline-flex; align-items: center; }
  .group-details { flex-direction: column; align-items: flex-start; padding: 24px; margin-block: 40px; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: 9px; padding-block: 22px; }
}

@media (max-width: 380px) {
  .header-inner { flex-wrap: wrap; justify-content: flex-start; padding-block: 18px; gap: 10px; }
  .main-nav { width: 100%; }
  .main-nav a { padding-block: 5px; }
  .people-nav a { padding-inline: 10px; gap: 9px; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

@media print {
  .main-nav, .people-nav, .skip-link, .primary-link { display: none; }
  .container { width: 100%; }
  .intro { padding-block: 24px; }
  h1 { font-size: 2.8rem; }
  .person { break-inside: avoid; }
  .talk-grid { grid-template-columns: 1fr; }
  .talk { break-inside: avoid; }
  .group-details { margin-block: 24px; }
}