:root {
  --usa-color-ink: #1b1b1b;
  --usa-color-base: #565c65;
  --usa-color-base-lightest: #f4f6f8;
  --usa-color-base-lighter: #dfe5eb;
  --usa-color-primary: #0a4a8a;
  --usa-color-primary-dark: #062b6f;
  --usa-color-primary-lightest: #eef5fb;
  --usa-color-focus: #2491ff;
  --usa-color-dark: #231f20;
  --usa-space-1: 0.5rem;
  --usa-space-2: 1rem;
  --usa-space-3: 1.5rem;
  --usa-space-4: 2rem;
  --usa-space-5: 2.5rem;
  --usa-space-6: 3rem;
  --usa-space-8: 4rem;
  --usa-container: 72rem;
  --usa-measure: 42rem;
  --usa-radius-sm: 0.25rem;
  --usa-radius-md: 0.5rem;
}

* {
  box-sizing: border-box;
}

html {
  color: var(--usa-color-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.55;
}

body {
  background: #ffffff;
  margin: 0;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: var(--usa-color-primary-dark);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--usa-color-primary);
}

a:focus-visible,
button:focus-visible {
  outline: 0.25rem solid var(--usa-color-focus);
  outline-offset: 0.25rem;
}

h1,
h2,
h3,
p,
ul,
ol {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.12;
}

h1 {
  font-size: clamp(2.4rem, 7vw, 5rem);
  margin-bottom: var(--usa-space-3);
  max-width: 13ch;
}

h2 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin-bottom: var(--usa-space-2);
}

h3 {
  font-size: 1.35rem;
  margin-bottom: var(--usa-space-1);
}

p,
li {
  font-size: 1.06rem;
}

p {
  margin-bottom: var(--usa-space-2);
}

.skip-link {
  background: #ffffff;
  color: var(--usa-color-ink);
  left: var(--usa-space-2);
  padding: var(--usa-space-1) var(--usa-space-2);
  position: absolute;
  top: -4rem;
  z-index: 100;
}

.skip-link:focus {
  top: var(--usa-space-2);
}

.site-container {
  margin-inline: auto;
  max-width: var(--usa-container);
  padding-inline: var(--usa-space-4);
  width: 100%;
}

.measure {
  max-width: var(--usa-measure);
}

.site-header {
  background: var(--usa-color-dark);
  color: #ffffff;
}

.site-header__inner {
  align-items: center;
  display: flex;
  gap: var(--usa-space-3);
  justify-content: space-between;
  min-height: 8rem;
  padding-block: var(--usa-space-2);
}

.site-logo {
  display: inline-flex;
  width: 6rem;
}

.primary-nav,
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--usa-space-2) var(--usa-space-3);
}

.primary-nav {
  justify-content: flex-end;
}

.primary-nav a,
.footer-nav a,
.site-footer__address {
  color: inherit;
  font-weight: 600;
  text-decoration: none;
}

.primary-nav a:hover,
.footer-nav a:hover,
.site-footer__address:hover {
  text-decoration: underline;
}

.usa-section {
  padding-block: var(--usa-space-8);
}

.hero {
  padding-block: var(--usa-space-8);
}

.section-band {
  background: var(--usa-color-base-lightest);
}

.eyebrow {
  color: var(--usa-color-primary-dark);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: var(--usa-space-2);
  text-transform: uppercase;
}

.lead {
  font-size: 1.22rem;
}

.split {
  display: grid;
  gap: var(--usa-space-5);
  grid-template-columns: minmax(12rem, 0.8fr) minmax(0, 1.3fr);
}

.stack > * + * {
  margin-top: var(--usa-space-2);
}

.usa-list {
  padding-left: 1.35rem;
}

.usa-list li {
  margin-bottom: var(--usa-space-1);
}

.usa-button {
  background: var(--usa-color-primary-dark);
  border-radius: var(--usa-radius-sm);
  color: #ffffff;
  display: inline-block;
  font-weight: 700;
  padding: 0.85rem 1.1rem;
  text-decoration: none;
}

.usa-button:hover {
  background: var(--usa-color-primary);
  color: #ffffff;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--usa-space-1);
}

.callout {
  border-left: 0.35rem solid var(--usa-color-primary);
  padding-left: var(--usa-space-2);
}

.closing {
  background: var(--usa-color-dark);
  color: #ffffff;
}

.leader-grid,
.article-list,
.speaker-grid {
  list-style: none;
  margin: var(--usa-space-4) 0 0;
  padding: 0;
}

.leader-grid {
  display: grid;
  gap: var(--usa-space-2);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.leader-grid li {
  background: #ffffff;
  border: 1px solid var(--usa-color-base-lighter);
  border-radius: var(--usa-radius-md);
  display: flex;
  min-height: 100%;
}

.leader-card {
  color: inherit;
  display: block;
  padding: var(--usa-space-3);
  text-decoration: none;
  width: 100%;
}

.leader-card:hover h3 {
  color: var(--usa-color-primary-dark);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.leader-grid p {
  color: var(--usa-color-base);
  margin-bottom: 0.25rem;
}

.speaker-grid {
  display: grid;
  gap: var(--usa-space-3);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
}

.speaker-card,
.schedule-card,
.info-card {
  background: #ffffff;
  border: 1px solid var(--usa-color-base-lighter);
  border-radius: var(--usa-radius-md);
  padding: var(--usa-space-3);
}

.speaker-card__link {
  color: inherit;
  display: block;
  height: 100%;
  text-decoration: none;
}

.speaker-card__link:focus-visible,
.info-card summary:focus-visible,
.table-scroll:focus-visible {
  outline: 0.25rem solid var(--usa-color-focus);
  outline-offset: 0.25rem;
}

.speaker-card img {
  aspect-ratio: 1;
  border-radius: 50%;
  margin-bottom: var(--usa-space-2);
  object-fit: cover;
  width: 7rem;
}

.speaker-card__placeholder {
  align-items: center;
  aspect-ratio: 1;
  background: var(--usa-color-primary-lightest);
  border: 2px solid var(--usa-color-primary);
  border-radius: 50%;
  color: var(--usa-color-primary-dark);
  display: flex;
  font-family: var(--usa-font-family-heading);
  font-size: 1.75rem;
  font-weight: 700;
  justify-content: center;
  margin-bottom: var(--usa-space-2);
  width: 7rem;
}

.speaker-card h3,
.speaker-card p {
  margin-bottom: 0.25rem;
}

.speaker-card p {
  color: var(--usa-color-base);
}

.event-card {
  background: #ffffff;
  border: 1px solid var(--usa-color-base-lighter);
  border-radius: var(--usa-radius-md);
  color: inherit;
  display: block;
  margin-top: var(--usa-space-3);
  overflow: hidden;
  text-decoration: none;
}

.event-card:hover {
  border-color: var(--usa-color-primary);
}

.event-card:hover .event-card__title {
  background: var(--usa-color-primary-dark);
}

.event-card__title {
  background: var(--usa-color-base);
  color: #ffffff;
  margin: 0;
  padding: var(--usa-space-2) var(--usa-space-3);
}

.event-card__body {
  align-items: center;
  display: grid;
  gap: var(--usa-space-4);
  grid-template-columns: 13rem minmax(0, 1fr) auto;
  padding: var(--usa-space-3);
}

.event-card__image {
  aspect-ratio: 1;
  object-fit: cover;
  width: 100%;
}

.event-card__details {
  display: grid;
  gap: var(--usa-space-1);
  margin: 0;
}

.event-card__details div {
  display: grid;
  gap: 0.35rem;
  grid-template-columns: auto minmax(0, 1fr);
}

.event-card__details dt {
  font-weight: 700;
}

.event-card__details dd {
  margin: 0;
}

.event-card__dates {
  align-items: center;
  display: flex;
  gap: var(--usa-space-2);
  justify-content: flex-end;
}

.date-chip {
  background: #ffffff;
  border: 0.35rem solid var(--usa-color-base-lighter);
  border-radius: var(--usa-radius-md);
  min-width: 4.5rem;
  overflow: hidden;
  text-align: center;
}

.date-chip span,
.date-chip small {
  display: block;
}

.date-chip span {
  background: var(--usa-color-primary-dark);
  color: #ffffff;
  padding: 0.2rem 0.5rem;
}

.date-chip strong {
  color: var(--usa-color-ink);
  display: block;
  font-size: 1.8rem;
  line-height: 1.1;
  padding: 0.35rem 0.5rem 0.2rem;
}

.date-chip small {
  background: var(--usa-color-primary-lightest);
  color: var(--usa-color-primary-dark);
  padding: 0.15rem 0.5rem 0.25rem;
}

.date-chip__to {
  color: var(--usa-color-ink);
  font-size: 1.25rem;
}

.contact-form-shell {
  align-items: center;
  display: flex;
  justify-content: center;
}

.contact-form-frame {
  background: #ffffff;
  border: 0;
  border-radius: var(--usa-radius-md);
  min-height: 80vh;
  width: 100%;
}

.history-list {
  display: grid;
  gap: var(--usa-space-4);
}

.history-event {
  background: #ffffff;
  border: 1px solid var(--usa-color-base-lighter);
  border-radius: var(--usa-radius-md);
  display: grid;
  gap: var(--usa-space-4);
  grid-template-columns: minmax(0, 1fr);
  padding: var(--usa-space-3);
}

.history-event__heading,
.history-section {
  max-width: var(--usa-measure);
}

.history-event__heading h2 {
  margin-bottom: var(--usa-space-1);
}

.history-section {
  border-top: 1px solid var(--usa-color-base-lighter);
  padding-top: var(--usa-space-3);
}

.history-section h3 {
  font-size: 1.35rem;
  margin-bottom: var(--usa-space-1);
}

.history-section p:last-child {
  margin-bottom: 0;
}

.history-event__speakers {
  margin-top: var(--usa-space-3);
}

.history-event__speakers h4 {
  font-size: 1.15rem;
  margin-bottom: var(--usa-space-2);
}

.speaker-link-grid {
  display: grid;
  gap: var(--usa-space-2);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
}

.speaker-link-card {
  align-items: center;
  background: var(--usa-color-base-lightest);
  border: 1px solid var(--usa-color-base-lighter);
  border-left: 0.35rem solid var(--usa-color-primary-dark);
  border-radius: var(--usa-radius-md);
  color: var(--usa-color-ink);
  display: flex;
  min-height: 4.25rem;
  padding: var(--usa-space-2);
  text-decoration: none;
}

.speaker-link-card:hover span {
  color: var(--usa-color-primary-dark);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.speaker-link-card:focus-visible {
  outline: 0.25rem solid var(--usa-color-focus);
  outline-offset: 0.25rem;
}

.speaker-link-card span {
  font-family: var(--usa-font-family-heading);
  font-weight: 700;
  line-height: 1.2;
}

@media (min-width: 64em) {
  .history-event {
    padding: var(--usa-space-4);
  }
}

.schedule-grid,
.info-grid {
  display: grid;
  gap: var(--usa-space-3);
}

.schedule-grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
  margin-top: var(--usa-space-3);
}

.table-scroll {
  -webkit-overflow-scrolling: touch;
  margin-top: var(--usa-space-3);
  overflow-x: auto;
}

.schedule-table {
  background: #ffffff;
  border-collapse: collapse;
  border: 1px solid var(--usa-color-base-lighter);
  min-width: 48rem;
  width: 100%;
}

.schedule-table th,
.schedule-table td {
  border-bottom: 1px solid var(--usa-color-base-lighter);
  padding: var(--usa-space-2);
  text-align: left;
  vertical-align: top;
}

.schedule-table th {
  background: var(--usa-color-primary-dark);
  color: #ffffff;
  font-family: var(--usa-font-family-heading);
}

.schedule-table td:first-child,
.schedule-table td:nth-child(2) {
  white-space: nowrap;
}

.info-grid {
  gap: var(--usa-space-4);
  grid-template-columns: 1fr;
}

.info-card {
  border-color: transparent;
  box-shadow: 0 0.5rem 1.5rem rgba(27, 27, 27, 0.08);
  padding: 0;
}

.info-card summary {
  align-items: center;
  cursor: pointer;
  display: flex;
  font-family: var(--usa-font-family-heading);
  font-size: 1.25rem;
  font-weight: 700;
  justify-content: space-between;
  letter-spacing: 0;
  list-style: none;
  min-height: 6.25rem;
  padding: var(--usa-space-4);
  text-transform: uppercase;
}

.info-card summary::-webkit-details-marker {
  display: none;
}

.info-card summary::after {
  color: var(--usa-color-primary-dark);
  content: "+";
  flex: 0 0 auto;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  margin-left: var(--usa-space-3);
}

.info-card[open] summary::after {
  content: "-";
}

.info-card p {
  color: var(--usa-color-base);
  font-size: 1.125rem;
  line-height: 1.55;
  margin: 0;
  padding: 0 var(--usa-space-4) var(--usa-space-4);
}

.info-card p + p {
  padding-top: 0;
}

@media (min-width: 64em) {
  .info-card summary {
    font-size: 1.5rem;
  }

  .info-card p {
    font-size: 1.375rem;
  }
}

.article-list {
  display: grid;
  gap: var(--usa-space-3);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
}

.article-card {
  background: #ffffff;
  border: 1px solid var(--usa-color-base-lighter);
  border-radius: var(--usa-radius-md);
  overflow: hidden;
}

.article-card a {
  color: inherit;
  display: grid;
  grid-template-rows: auto 1fr;
  height: 100%;
  text-decoration: none;
}

.article-card__image {
  aspect-ratio: 16 / 10;
  background: var(--usa-color-dark);
  height: auto;
  object-fit: cover;
  width: 100%;
}

.article-card__title {
  display: block;
  font-size: 1.15rem;
  line-height: 1.15;
  padding: var(--usa-space-2);
}

.privacy-page h2 {
  border-top: 1px solid var(--usa-color-base-lighter);
  margin-top: var(--usa-space-4);
  padding-top: var(--usa-space-3);
}

.site-footer {
  background: var(--usa-color-dark);
  color: #ffffff;
}

.site-footer__inner {
  align-items: center;
  display: flex;
  flex-direction: column;
  gap: 1.125rem;
  padding-block: var(--usa-space-4);
  text-align: center;
}

.site-footer__tagline,
.site-footer__legal {
  margin: 0;
}

.site-footer__legal {
  color: #dfe1e2;
  font-size: 0.95rem;
}

@media (max-width: 820px) {
  .site-container {
    padding-inline: var(--usa-space-2);
  }

  .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
    min-height: auto;
    padding-block: var(--usa-space-3);
  }

  .primary-nav {
    justify-content: flex-start;
  }

  .usa-section,
  .hero {
    padding-block: var(--usa-space-6);
  }

  .split,
  .leader-grid {
    grid-template-columns: 1fr;
  }

  .event-card__body {
    align-items: start;
    gap: var(--usa-space-3);
    grid-template-columns: 1fr;
  }

  .event-card__image {
    width: min(100%, 14rem);
  }

  .event-card__details div {
    grid-template-columns: 1fr;
  }

  .event-card__dates {
    justify-content: flex-start;
  }
}

@media (forced-colors: active) {
  .usa-button {
    forced-color-adjust: none;
  }
}