:root {
  --cream: #f5f1e8;
  --paper: #ebe5d6;
  --ink: #161a1f;
  --slate: #5a6470;
  --forest: #1f3a3a;
  --forest-2: #2b4d4b;
  --ochre: #b88742;
  --rule: #d8d2c4;
  --display: "Fraunces", Georgia, "Times New Roman", serif;
  --body: "Inter", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", "Courier New", monospace;
  --max-w: 1240px;
  --margin-x: 80px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 4px; }
button, input { font: inherit; }
button { color: inherit; }

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 200;
  transform: translateY(-140%);
  background: var(--ink);
  color: var(--cream);
  padding: 10px 14px;
}
.skip-link:focus { transform: translateY(0); }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--margin-x);
}

.mono {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.eyebrow {
  font-family: var(--body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .22em;
  line-height: 1.2;
  text-transform: uppercase;
}
.muted { color: var(--slate); }
.ochre { color: var(--ochre); }
.ital { font-style: italic; }

.topbar {
  min-height: 40px;
  display: flex;
  align-items: center;
  background: var(--forest);
  color: var(--cream);
}
.topbar-inner {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.topbar a { text-decoration: none; }
.topbar a:hover { text-decoration: underline; }
.topbar-links { display: flex; gap: 28px; white-space: nowrap; }

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--rule);
  background: color-mix(in srgb, var(--cream) 92%, transparent);
  backdrop-filter: blur(10px);
}
.nav-inner {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}
.brand-logo {
  width: 48px;
  height: 46px;
  object-fit: cover;
  object-position: left center;
  filter: invert(1) contrast(1.45);
  opacity: .76;
}
.brand-text { display: grid; gap: 2px; }
.brand-name {
  font-family: var(--display);
  font-size: 24px;
  line-height: 1;
}
.brand-meta {
  color: var(--slate);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 23px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-menu button {
  position: relative;
  border: 0;
  background: transparent;
  padding: 8px 0;
  cursor: pointer;
  font-size: 13px;
}
.nav-menu button::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--forest);
  transition: right 180ms ease;
}
.nav-menu button:hover::after,
.nav-menu button.is-active::after { right: 0; }
.nav-menu button.is-active { color: var(--forest); }
.nav-toggle {
  display: none;
  height: 40px;
  border: 1.4px solid var(--ink);
  background: transparent;
  padding: 0 14px;
  cursor: pointer;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.page { display: none; animation: fade-up 260ms ease both; }
.page.is-active { display: block; }
@keyframes fade-up {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-meta {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 36px 0 14px;
  border-bottom: 1.4px solid var(--ink);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 46px;
  align-items: start;
  padding-top: 44px;
  padding-bottom: 44px;
}
.hero-copy h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(48px, 6.2vw, 92px);
  font-weight: 400;
  font-variation-settings: "SOFT" 100, "opsz" 144;
  line-height: .98;
  letter-spacing: 0;
}
.lede {
  max-width: 660px;
  margin: 34px 0 24px;
  font-family: var(--display);
  font-size: clamp(19px, 1.7vw, 23px);
  line-height: 1.42;
}
.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-bottom: 26px;
  color: var(--slate);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 16px; }
.btn {
  min-height: 52px;
  border: 0;
  border-radius: 0;
  padding: 0 22px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.btn.primary { background: var(--forest); color: var(--cream); }
.btn.primary:hover { background: var(--forest-2); }
.btn.secondary { border: 1.4px solid var(--ink); background: transparent; }
.btn.secondary:hover { background: var(--ink); color: var(--cream); }

.hero-figures {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.figure-tile {
  margin: 0;
  border-top: 1.4px solid var(--ink);
}
.figure-tile img {
  display: block;
  width: 100%;
  height: clamp(140px, 12vw, 178px);
  object-fit: contain;
  object-position: center;
  padding: 10px 0;
  box-sizing: border-box;
  background: #f9f7f1;
  filter: saturate(.94) contrast(.98);
}
.figure-tile figcaption {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 6px;
}
.figure-tile span {
  color: var(--slate);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .2em;
}
.figure-tile strong {
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1.4px solid var(--ink);
  border-bottom: 1.4px solid var(--ink);
}
.stats-strip div {
  min-height: 132px;
  padding: 22px 18px;
  border-right: 1px solid var(--rule);
}
.stats-strip div:last-child { border-right: 0; }
.stats-strip strong {
  display: block;
  font-family: var(--display);
  font-size: 52px;
  font-weight: 400;
  line-height: .9;
}
.stats-strip span {
  display: block;
  margin-top: 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.stats-strip small {
  display: block;
  margin-top: 6px;
  color: var(--slate);
  font-size: 12px;
}

.section-div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 84px;
  padding-top: 22px;
  border-top: 1.4px solid var(--ink);
}
.stats-strip + .section-div {
  margin-top: 0;
}
.section-div div { display: flex; gap: 30px; align-items: baseline; }

.editorial-grid,
.split-section {
  display: grid;
  grid-template-columns: .7fr 1.5fr;
  gap: 80px;
  margin-top: 54px;
}
.editorial-grid h2,
.split-section h2,
.section-intro h2,
.bigtitle {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(36px, 4.2vw, 56px);
  font-weight: 400;
  font-variation-settings: "SOFT" 100;
  line-height: 1.05;
}
.accent-line {
  width: 100px;
  height: 2px;
  margin-top: 24px;
  background: var(--ochre);
}
.side-note {
  max-width: 280px;
  color: var(--slate);
  font-size: 14px;
}
.dropcap {
  margin: 0;
  font-family: var(--display);
  font-size: 18px;
  line-height: 1.62;
}
.dropcap::first-letter {
  float: left;
  margin: 8px 12px 0 0;
  font-size: 82px;
  line-height: .8;
}
blockquote {
  margin: 46px 0 0;
}
blockquote span {
  display: block;
  width: 60px;
  height: 1.4px;
  margin-bottom: 24px;
  background: var(--ink);
}
blockquote p {
  margin: 0 0 10px;
  font-family: var(--display);
  font-size: 28px;
  font-style: italic;
  line-height: 1.25;
}
blockquote cite {
  color: var(--slate);
  font-size: 11px;
  font-style: normal;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
}

.topic-list {
  margin-top: 54px;
  border-top: 1px solid var(--rule);
}
.topic-list article {
  display: grid;
  grid-template-columns: 62px 1fr 1.15fr;
  gap: 24px;
  align-items: baseline;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}
.topic-list span,
.paper-list span,
.schedule span,
.award-list span {
  color: var(--slate);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
}
.topic-list h3,
.schedule h3,
.award-list h3,
.paper-list h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 23px;
  font-weight: 400;
  line-height: 1.22;
}
.topic-list p,
.schedule p,
.award-list p,
.paper-list p {
  margin: 0;
  color: var(--slate);
  font-size: 14px;
}

.topic-matrix {
  display: grid;
  grid-template-columns: 1.2fr .9fr;
  gap: 46px;
  align-items: start;
  margin-top: 44px;
}
.matrix-grid {
  display: grid;
  grid-template-columns: 132px repeat(4, 1fr);
  border: 1.4px solid var(--ink);
}
.matrix-grid > * {
  min-height: 72px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.matrix-grid > *:nth-child(5n) { border-right: 0; }
.matrix-corner,
.matrix-head,
.matrix-row {
  display: grid;
  place-items: center;
  padding: 10px;
  color: var(--slate);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  text-align: center;
  text-transform: uppercase;
}
.matrix-row { place-items: center start; padding-left: 14px; }
.matrix-grid button {
  position: relative;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.matrix-grid button::before {
  content: "";
  position: absolute;
  inset: calc(50% - 6px);
  border: 1.4px solid var(--forest);
}
.matrix-grid button:hover,
.matrix-grid button:focus-visible,
.matrix-grid button.is-active {
  background: var(--paper);
  outline: none;
}
.matrix-grid button:hover::before,
.matrix-grid button:focus-visible::before,
.matrix-grid button.is-active::before {
  background: var(--ochre);
  border-color: var(--ochre);
}
.matrix-panel {
  border-top: 1.4px solid var(--ink);
  padding-top: 22px;
}
.matrix-panel h3 {
  margin: 16px 0 10px;
  font-family: var(--display);
  font-size: 34px;
  font-weight: 400;
  line-height: 1.05;
}
.matrix-panel p {
  margin: 0;
  color: var(--slate);
}

.chip {
  min-height: 34px;
  border: 1px solid var(--ink);
  background: transparent;
  padding: 0 14px;
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.chip:hover,
.chip.is-active {
  background: var(--forest);
  color: var(--cream);
  border-color: var(--forest);
}

.dataset-section { margin-top: 16px; }
.section-intro {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 64px;
  align-items: start;
  margin-bottom: 48px;
}
.section-intro p {
  margin: 0;
  color: var(--slate);
  font-family: var(--display);
  font-size: 18px;
  line-height: 1.6;
}
.dataset-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.dataset-card {
  display: grid;
  grid-template-rows: auto 1fr;
  border: 1.4px solid var(--ink);
  background: var(--cream);
}
.dataset-primary {
  grid-column: 1 / -1;
  grid-template-columns: 1.1fr .9fr;
  grid-template-rows: none;
}
.dataset-card figure {
  margin: 0;
  min-height: 100%;
  background: var(--paper);
}
.dataset-card figure img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 275px;
  object-fit: contain;
  object-position: center;
  padding: 12px;
  box-sizing: border-box;
  background: #f9f7f1;
}
.dataset-primary figure img {
  min-height: 420px;
  object-position: center;
}
.dataset-card > div {
  padding: 26px;
}
.dataset-card h3 {
  margin: 12px 0 0;
  font-family: var(--display);
  font-size: clamp(44px, 5vw, 66px);
  font-style: italic;
  font-weight: 400;
  line-height: .9;
}
.dataset-sub {
  margin: 12px 0 18px;
  color: var(--slate);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.dataset-card p:not(.dataset-sub) {
  margin: 18px 0 0;
  font-family: var(--display);
  font-size: 15.5px;
  line-height: 1.6;
}
.dataset-card a {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 16px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 14px 0;
}
.stat-grid span {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.source-note {
  margin: 18px 0 0;
  color: var(--slate);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.date-table {
  border-top: 1.4px solid var(--ink);
  border-bottom: 1.4px solid var(--ink);
}
.date-table div {
  display: grid;
  grid-template-columns: 150px 1fr 90px;
  gap: 24px;
  align-items: baseline;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
}
.date-table div:last-child { border-bottom: 0; }
.date-table span,
.date-table em {
  font-family: var(--mono);
  font-size: 12px;
  font-style: normal;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.date-table strong {
  font-family: var(--display);
  font-size: 21px;
  font-weight: 400;
}
.date-table em { color: var(--slate); text-align: right; }

.speaker-grid,
.organizer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 46px;
}
.speaker-grid article,
.organizer-grid article {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--paper);
  padding: 24px;
}
.speaker-grid div,
.speaker-grid img,
.organizer-grid span,
.organizer-grid img {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: var(--forest);
}
.speaker-grid img,
.organizer-grid img {
  object-fit: cover;
  object-position: center;
}
.organizer-grid article:has(img) span {
  display: none;
}
.organizer-grid article.person-feature img { object-position: 50% 38%; }
.speaker-grid h3,
.organizer-grid h3 {
  margin: 14px 0 4px;
  font-family: var(--display);
  font-size: 21px;
  font-weight: 400;
  line-height: 1.15;
}
.speaker-grid p,
.organizer-grid p {
  margin: 0;
  color: var(--slate);
  font-size: 12px;
}
.organizer-grid a,
.advisory-board a {
  color: var(--forest);
  font-weight: 700;
  text-decoration: none;
}
.organizer-grid a:hover,
.advisory-board a:hover {
  text-decoration: underline;
}
.speaker-grid span:last-child {
  display: block;
  margin-top: 18px;
  font-family: var(--display);
  font-size: 14px;
  font-style: italic;
  line-height: 1.35;
}
.speaker-section {
  margin-top: 0;
}
.speaker-section .speaker-grid {
  margin-top: 0;
}

.page-hero {
  padding-top: 58px;
  padding-bottom: 48px;
}
.page-hero > div {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: baseline;
  border-bottom: 1.4px solid var(--ink);
  padding-bottom: 16px;
}
.page-hero > div span:nth-child(2) { margin-left: 28px; }
.page-hero h1 {
  margin: 30px 0 0;
  font-family: var(--display);
  font-size: clamp(46px, 5vw, 68px);
  font-weight: 400;
  line-height: .98;
}

.deadline-meter {
  background: var(--paper);
  padding: 28px;
}
.meter-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}
.meter-track {
  position: relative;
  height: 6px;
  background: var(--rule);
}
.meter-track span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--forest);
  transition: width 220ms ease;
}
.timeline,
.schedule,
.award-list,
.paper-list,
.news-list,
.faq-list {
  margin-top: 34px;
  border-top: 1px solid var(--rule);
}
.schedule {
  margin-top: 0;
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: #fbfaf6;
}
.schedule-head {
  display: grid;
  grid-template-columns: 190px 1fr 160px;
  gap: 32px;
  padding: 24px 28px;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}
.schedule-head span {
  color: var(--slate);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.timeline article,
.schedule article,
.award-list article,
.paper-list article,
.news-list article {
  display: grid;
  grid-template-columns: 155px 1fr 1fr;
  gap: 28px;
  align-items: baseline;
  padding: 23px 0;
  border-bottom: 1px solid var(--rule);
}
.schedule article {
  grid-template-columns: 190px 1fr 160px;
  gap: 32px;
  align-items: center;
  padding: 24px 28px;
}
.schedule article:last-child {
  border-bottom: 0;
}
.schedule article > span {
  color: var(--ink);
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .06em;
}
.schedule article > span small {
  display: block;
  margin-top: 10px;
  color: var(--slate);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .08em;
}
.schedule article em {
  justify-self: start;
  border-radius: 6px;
  background: var(--paper);
  padding: 8px 12px;
  color: var(--slate);
  font-family: var(--mono);
  font-size: 12px;
  font-style: normal;
  font-weight: 600;
  letter-spacing: .08em;
}
.schedule article em.tag-keynote { background: #e5f2ec; color: var(--forest); }
.schedule article em.tag-poster { background: #f7ebe4; color: #9f5437; }
.schedule article em.tag-oral { background: #eee9f3; color: #6f5686; }
.schedule article em.tag-dataset { background: #efe8d8; color: #8d6530; }
.schedule article em.tag-panel { background: #f2ecd9; color: #8f6b2a; }
.timeline article { grid-template-columns: 155px 1fr; }
.timeline .hard span { color: var(--ochre); }
.timeline h3,
.news-list h3 {
  margin: 0;
  font-family: var(--display);
  font-size: 24px;
  font-weight: 400;
}
.timeline p,
.news-list p { margin: 6px 0 0; color: var(--slate); }
.schedule .dim { background: rgba(31, 75, 69, .025); }
.schedule .dim h3,
.schedule .dim p { color: var(--slate); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 52px;
}
.contact-card {
  border-top: 1.4px solid var(--ink);
  background: var(--paper);
  padding: 28px;
}
.contact-card h2 {
  margin: 10px 0 26px;
  font-family: var(--display);
  font-size: clamp(38px, 4vw, 58px);
  font-weight: 400;
  line-height: .98;
}
.contact-card p {
  max-width: 540px;
  margin: 0 0 18px;
  color: var(--slate);
  font-family: var(--display);
  font-size: 18px;
  line-height: 1.42;
}
.contact-email {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--forest);
  font-weight: 700;
  text-decoration: none;
}
.contact-email:hover,
.share-row a:hover {
  text-decoration: underline;
}
.share-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.share-row a {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--rule);
  background: var(--cream);
  padding: 0 13px;
  color: var(--ink);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  text-decoration: none;
  text-transform: uppercase;
}
.contact-cta {
  display: inline-flex;
  margin-top: 4px;
  text-decoration: none;
}

.cfp-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 78px;
}
.toc {
  position: sticky;
  top: 120px;
  align-self: start;
  display: grid;
  gap: 9px;
  padding-top: 14px;
  border-top: 1.4px solid var(--ink);
}
.toc a {
  color: var(--ink);
  font-size: 13px;
  text-decoration: none;
}
.toc a:hover { text-decoration: underline; }
.cfp-body article {
  padding-bottom: 42px;
}
.cfp-body h2 {
  margin: 12px 0 14px;
  font-family: var(--display);
  font-size: 36px;
  font-weight: 400;
  line-height: 1.1;
}
.cfp-body p {
  max-width: 780px;
  margin: 0;
  font-family: var(--display);
  font-size: 17px;
  line-height: 1.62;
}
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.paper-list article.is-hidden { display: none; }

.organizer-grid {
  grid-template-columns: repeat(3, 1fr);
}
.advisory-board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.advisory-board article {
  min-height: 210px;
  border-top: 1.4px solid var(--ink);
  background: var(--paper);
  padding: 24px;
}
.advisory-board article.featured-advisor {
  grid-column: span 2;
}
.home-advisory {
  grid-template-columns: 2fr 1fr;
}
.home-advisory article.featured-advisor {
  grid-column: auto;
}
.advisor-placeholder {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.advisor-placeholder::before {
  content: "";
  width: 88px;
  height: 88px;
  border-radius: 50%;
  border: 1.4px solid var(--rule-dark);
  margin-bottom: 18px;
}
.advisory-board img {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  margin-bottom: 18px;
  filter: saturate(.92) contrast(.98);
}
.advisory-board span {
  color: var(--ochre);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.advisory-board h3 {
  margin: 28px 0 12px;
  font-family: var(--display);
  font-size: 25px;
  font-weight: 400;
  line-height: 1.08;
}
.advisory-board p {
  margin: 0;
  color: var(--slate);
  font-size: 14px;
  line-height: 1.5;
}
.advisory-board a {
  display: inline-block;
  margin-top: 18px;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.faq {
  border-bottom: 1px solid var(--rule);
}
.faq button {
  width: 100%;
  display: grid;
  grid-template-columns: 72px 1fr 30px;
  gap: 16px;
  align-items: baseline;
  border: 0;
  background: transparent;
  padding: 22px 0;
  cursor: pointer;
  text-align: left;
}
.faq button span {
  color: var(--slate);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
}
.faq button {
  font-family: var(--display);
  font-size: 23px;
}
.faq b {
  color: var(--forest);
  font-family: var(--display);
  font-size: 28px;
  font-weight: 400;
  text-align: right;
  transition: transform 180ms ease;
}
.faq.is-open b { transform: rotate(45deg); }
.faq div {
  max-height: 0;
  overflow: hidden;
  transition: max-height 180ms ease;
}
.faq.is-open div { max-height: 180px; }
.faq div p {
  max-width: 760px;
  margin: 0;
  padding: 0 80px 24px 88px;
  font-family: var(--display);
  font-size: 17px;
}
.note { color: var(--slate); }

.news-list article {
  grid-template-columns: 150px 1fr;
}
.news-list time {
  color: var(--slate);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.news-list span {
  color: var(--forest);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
}

footer {
  margin-top: 120px;
  background: var(--ink);
  color: var(--cream);
  padding: 30px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: center;
}
.footer-inner img {
  width: 132px;
  opacity: .82;
}
.footer-inner p {
  margin: 8px 0 0;
  color: #9aa5b0;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.footer-inner nav {
  display: flex;
  gap: 24px;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

@media (max-width: 1180px) {
  :root { --margin-x: 34px; }
  .nav-menu { gap: 14px; }
  .nav-menu button { font-size: 12px; }
  .hero-grid,
  .dataset-primary { grid-template-columns: 1fr; }
  .hero-figures {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 14px;
  }
  .figure-tile img { height: 160px; }
  .figure-tile figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }
  .speaker-grid,
  .advisory-board { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  :root { --margin-x: 24px; }
  .topbar-inner,
  .hero-meta,
  .section-div,
  .meter-head,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .nav-toggle { display: inline-flex; align-items: center; }
  .nav-menu {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px var(--margin-x) 18px;
    border-bottom: 1px solid var(--rule);
    background: var(--cream);
  }
  .nav-menu.is-open { display: flex; }
  .nav-menu button {
    width: 100%;
    border-bottom: 1px solid var(--rule);
    padding: 12px 0;
    text-align: left;
  }
  .editorial-grid,
  .split-section,
  .section-intro,
  .topic-matrix,
  .contact-grid,
  .cfp-layout {
    grid-template-columns: 1fr;
  }
  .topic-list article,
  .timeline article,
  .schedule article,
  .award-list article,
  .paper-list article,
  .news-list article {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .schedule-head {
    display: none;
  }
  .schedule article {
    padding: 20px;
  }
  .schedule article em {
    justify-self: start;
    margin-top: 6px;
  }
  .dataset-grid,
  .advisory-board,
  .organizer-grid {
    grid-template-columns: 1fr;
  }
  .home-advisory {
    grid-template-columns: 1fr;
  }
  .organizer-grid article,
  .organizer-grid article.person-feature {
    align-items: center;
    grid-column: auto;
    text-align: center;
  }
  .organizer-grid p {
    max-width: 360px;
  }
  .advisory-board article.featured-advisor { grid-column: auto; }
  .toc { position: static; }
}

@media (max-width: 640px) {
  :root { --margin-x: 18px; }
  .brand-logo { width: 40px; height: 40px; }
  .brand-name { font-size: 21px; }
  .hero-grid { gap: 36px; }
  .hero-figures {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(250px, 82vw);
    overflow-x: auto;
    padding-bottom: 10px;
  }
  .figure-tile img { height: 180px; }
  .stats-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .stats-strip div {
    min-height: auto;
    padding: 16px 14px;
    border-right: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
  }
  .stats-strip div:nth-child(2n) { border-right: 0; }
  .stats-strip div:last-child {
    grid-column: 1 / -1;
    border-right: 0;
    border-bottom: 0;
  }
  .stats-strip strong { font-size: 38px; }
  .stats-strip span {
    margin-top: 8px;
    font-size: 10px;
  }
  .stats-strip small {
    margin-top: 4px;
    font-size: 11px;
  }
  .matrix-grid {
    grid-template-columns: 96px repeat(4, minmax(56px, 1fr));
    overflow: auto;
  }
  .matrix-grid > * { min-height: 58px; }
  .date-table div,
  .faq button {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .date-table em { text-align: left; }
  .faq div p { padding-left: 0; padding-right: 0; }
  .footer-inner nav { flex-direction: column; gap: 10px; }
}