:root {
  --talk-ink: #162831;
  --talk-text: #31434b;
  --talk-muted: #607178;
  --talk-paper: #ffffff;
  --talk-soft: #f3f6f4;
  --talk-line: #d4dfdc;
  --talk-accent: #007b84;
  --talk-accent-dark: #075760;
  --talk-gold: #e5a51a;
  --talk-blue: #2d68a0;
  --talk-coral: #b9483b;
  --talk-header-height: 66px;
  --talk-page-width: 1120px;
  --talk-serif: Georgia, "Times New Roman", serif;
  --talk-sans: Aptos, "Segoe UI", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--talk-header-height) + 24px);
}

body.talks-page {
  margin: 0;
  padding: 0;
  color: var(--talk-text);
  background: var(--talk-paper);
  font-family: var(--talk-sans);
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.talks-page a {
  color: var(--talk-accent-dark);
  text-underline-offset: 3px;
}

.talks-page a:hover {
  color: var(--talk-accent);
}

.talks-page a:focus-visible,
.talks-page button:focus-visible,
.talks-page summary:focus-visible {
  outline: 3px solid var(--talk-gold);
  outline-offset: 3px;
}

/* Page introduction */

#main {
  padding: 0;
}

.talks-shell {
  padding-bottom: 92px;
}

.page-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px 60px;
  align-items: end;
  margin: 0;
  padding: 64px 0 42px;
  background: transparent;
  border: 0;
  border-radius: 0;
}

.page-intro-copy {
  max-width: 760px;
}

.page-eyebrow {
  margin: 0 0 10px;
  color: var(--talk-accent);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.3;
  text-transform: uppercase;
}

.page-intro h1 {
  margin: 0;
  color: var(--talk-ink);
  font-family: var(--talk-serif);
  font-size: 52px;
  font-weight: 700;
  line-height: 1.08;
}

.page-intro p {
  max-width: 68ch;
  margin: 16px 0 0;
  color: var(--talk-muted);
  font-size: 17px;
  line-height: 1.65;
}

.quick-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  margin: 0;
}

.quick-links .page-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 9px 13px;
  gap: 8px;
  color: #fff;
  background: var(--talk-accent-dark);
  border: 1px solid var(--talk-accent-dark);
  border-radius: 4px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
}

.quick-links .page-action:hover {
  color: #fff;
  background: var(--talk-accent);
  border-color: var(--talk-accent);
}

/* Section navigation */

.talks-page .section-nav {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 26px;
  align-items: center;
  margin: 0 0 58px;
  padding: 18px 0;
  background: transparent;
  border: solid var(--talk-line);
  border-width: 1px 0;
  border-radius: 0;
}

.talks-page .section-nav h2 {
  margin: 0;
  color: var(--talk-muted);
  font-family: var(--talk-sans);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.3;
  text-transform: uppercase;
}

.talks-page .section-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 0;
  padding: 0;
  columns: auto;
  list-style: none;
}

.talks-page .section-nav li {
  margin: 0;
}

.talks-page .section-nav a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--talk-ink);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.talks-page .section-nav a::before {
  color: var(--talk-accent);
  content: "#";
  font-weight: 800;
}

.talks-page .section-nav a:hover {
  color: var(--talk-accent);
  text-decoration: none;
}

/* Section headings and controls */

.talks-page .section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin: 70px 0 22px;
  padding: 0 0 14px;
  border: 0;
  border-bottom: 2px solid var(--talk-ink);
}

.talks-page .section-nav + .section-heading {
  margin-top: 0;
}

.talks-page .section-heading h2 {
  margin: 0;
  color: var(--talk-ink);
  font-family: var(--talk-serif);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
}

.talk-controls {
  display: flex;
  gap: 8px;
}

.talk-controls button {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 7px 10px;
  gap: 7px;
  color: var(--talk-accent-dark);
  background: #fff;
  border: 1px solid #9bb9b6;
  border-radius: 4px;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
}

.talk-controls button:hover {
  color: var(--talk-ink);
  background: var(--talk-soft);
  border-color: var(--talk-accent-dark);
}

/* Year archive */

.year-groups {
  display: grid;
  gap: 14px;
}

.talks-page details.talk-year {
  margin: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--talk-line);
  border-radius: 6px;
}

.talks-page details.talk-year > summary {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 58px;
  margin: 0;
  padding: 14px 52px 14px 18px;
  gap: 12px;
  color: var(--talk-ink);
  background: #f7faf8;
  border: 0;
  border-radius: 0;
  font-family: var(--talk-serif);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  list-style: none;
  cursor: pointer;
}

.talks-page details.talk-year > summary::-webkit-details-marker {
  display: none;
}

.talks-page details.talk-year > summary::after {
  position: absolute;
  top: 50%;
  right: 20px;
  width: 9px;
  height: 9px;
  content: "";
  border-right: 2px solid var(--talk-accent-dark);
  border-bottom: 2px solid var(--talk-accent-dark);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 160ms ease;
}

.talks-page details.talk-year[open] > summary {
  border-bottom: 1px solid var(--talk-line);
}

.talks-page details.talk-year[open] > summary::after {
  transform: translateY(-20%) rotate(225deg);
}

.talks-page .year-count {
  color: var(--talk-muted);
  font-family: var(--talk-sans);
  font-size: 13px;
  font-weight: 650;
}

.talks-page .talk-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.talks-page .talk-list .publication {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr) auto;
  gap: 3px 24px;
  align-items: start;
  margin: 0;
  padding: 20px 18px;
  color: var(--talk-text);
  background: #fff;
  border: 0;
  border-bottom: 1px solid var(--talk-line);
  border-radius: 0;
  font-size: 15px;
  line-height: 1.5;
  list-style: none;
  transition: background-color 140ms ease;
}

.talks-page .talk-list .publication:last-child {
  border-bottom: 0;
}

.talks-page .talk-list .publication:hover,
.talks-page .talk-list li:nth-child(odd):hover,
.talks-page .talk-list li:nth-child(even):hover {
  background: #f7faf8;
  border-color: var(--talk-line);
  box-shadow: none;
}

.talks-page .talk-list li:nth-child(odd),
.talks-page .talk-list li:nth-child(even) {
  background: #fff;
}

.talks-page .talk-date {
  grid-column: 1;
  grid-row: 1 / span 5;
  color: var(--talk-accent-dark);
  font-size: 13px;
  font-weight: 750;
  line-height: 1.45;
}

.talks-page .paper-title {
  grid-column: 2;
  color: var(--talk-ink);
  font-family: var(--talk-serif);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

.talks-page .talk-meta {
  grid-column: 2;
  color: var(--talk-muted);
  font-size: 14px;
  line-height: 1.45;
}

.talks-page .talk-meta + .talk-meta {
  color: #738188;
}

.talks-page .talk-links {
  grid-column: 3;
  grid-row: 1 / span 5;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
  min-width: 62px;
}

.talks-page .label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 29px;
  margin: 0;
  padding: 5px 9px;
  color: #285c3a;
  background: #ebf5ed;
  border: 1px solid #a8c9b0;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
}

.talks-page .label:hover {
  color: #fff;
  background: #2f7046;
  border-color: #2f7046;
}

.talks-page .badge-cover,
.talks-page .badge-prize,
.talks-page .badge-invited,
.talks-page .badge-minicourse {
  grid-column: 2;
  justify-self: start;
  margin: 0 0 3px;
  border-radius: 4px;
  box-shadow: none;
}

.talks-page .talk-list .publication > br {
  display: none;
}

/* Videos and lecture courses */

.talks-page .interest-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin: 0;
}

.talks-page .interest-card {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--talk-line);
  border-radius: 6px;
  box-shadow: 0 8px 22px rgba(22, 40, 49, 0.06);
}

.talks-page .video-card {
  display: flex;
  flex-direction: column;
  padding: 0;
}

.talks-page .video-card iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 0;
  border: 0;
}

.talks-page .video-caption {
  flex: 1 1 auto;
  margin: 0;
  padding: 16px 18px 18px;
  color: var(--talk-muted);
  font-size: 14px;
  line-height: 1.5;
}

.talks-page .video-caption strong {
  display: inline-block;
  margin-bottom: 5px;
  color: var(--talk-ink);
  font-family: var(--talk-serif);
  font-size: 17px;
  line-height: 1.4;
}

.talks-page .interest-card:not(.video-card) {
  padding: 22px;
  border-top: 3px solid var(--talk-accent);
}

.talks-page .interest-card:not(.video-card):nth-child(2n) {
  border-top-color: var(--talk-blue);
}

.talks-page .interest-card:not(.video-card):nth-child(3n) {
  border-top-color: var(--talk-coral);
}

.talks-page .interest-card h3 {
  margin: 0 0 10px;
  color: var(--talk-ink);
  font-family: var(--talk-serif);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.35;
}

.talks-page .interest-card p {
  margin: 0;
  color: var(--talk-muted);
  font-size: 14.5px;
  line-height: 1.6;
}

@media (max-width: 920px) {
  .page-intro {
    grid-template-columns: 1fr;
  }

  .quick-links {
    justify-content: flex-start;
  }

  .talks-page .talk-list .publication {
    grid-template-columns: 112px minmax(0, 1fr) auto;
    gap: 3px 18px;
  }
}

@media (max-width: 700px) {
  body.talks-page {
    font-size: 15px;
  }

  .page-intro {
    padding-top: 44px;
  }

  .page-intro h1 {
    font-size: 42px;
  }

  .page-intro p {
    font-size: 16px;
  }

  .talks-page .section-nav {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .talks-page .section-nav ul {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 9px 18px;
  }

  .talks-page .section-heading {
    align-items: flex-start;
  }

  .talks-page .section-heading h2 {
    font-size: 28px;
  }

  .talks-page .talk-list .publication {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 4px 16px;
    padding: 18px 16px;
  }

  .talks-page .talk-date {
    grid-column: 1;
    grid-row: auto;
    margin-bottom: 2px;
  }

  .talks-page .paper-title,
  .talks-page .talk-meta,
  .talks-page .badge-cover,
  .talks-page .badge-prize,
  .talks-page .badge-invited,
  .talks-page .badge-minicourse {
    grid-column: 1;
  }

  .talks-page .paper-title {
    margin-top: 1px;
  }

  .talks-page .talk-links {
    grid-column: 2;
    grid-row: 1 / span 5;
  }

  .talks-page .interest-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .page-intro h1 {
    font-size: 36px;
  }

  .quick-links .page-action {
    flex: 1 1 auto;
  }

  .talks-page .section-nav ul {
    grid-template-columns: 1fr;
  }

  .talks-page .section-heading {
    display: grid;
    margin-top: 54px;
  }

  .talk-controls {
    width: 100%;
  }

  .talk-controls button {
    flex: 1 1 0;
    justify-content: center;
  }

  .talks-page details.talk-year > summary {
    min-height: 54px;
    padding: 13px 46px 13px 14px;
    font-size: 20px;
  }

  .talks-page .talk-list .publication {
    grid-template-columns: 1fr;
  }

  .talks-page .talk-links {
    grid-column: 1;
    grid-row: auto;
    justify-content: flex-start;
    margin-top: 7px;
  }
}

@media print {
  .quick-links,
  .section-nav,
  .talk-controls,
  #videos,
  #videos + .interest-grid {
    display: none;
  }

  .talks-shell {
    width: 100%;
    padding: 0;
  }

  .page-intro {
    padding: 0 0 24px;
  }

  .talks-page details.talk-year {
    border: 0;
  }

  .talks-page details.talk-year > summary {
    padding-left: 0;
    background: #fff;
  }

  .talks-page details.talk-year > summary::after {
    display: none;
  }

  .talks-page .talk-list .publication,
  .talks-page .interest-card {
    break-inside: avoid;
  }
}