*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-width: 20rem;
  background: var(--color-page);
  scroll-padding-block-start: 1rem;
  text-size-adjust: 100%;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--color-page);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  font-synthesis: none;
  font-weight: 400;
  line-height: 1.6;
  overflow-wrap: break-word;
}

[hidden] {
  display: none !important;
}

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

button,
input,
a {
  font: inherit;
}

button,
input {
  color: inherit;
}

h1,
h2,
h3,
h4 {
  margin-block: 0;
  color: var(--color-heading);
  font-family: var(--font-heading);
  font-weight: 600;
  text-wrap: balance;
}

h1 {
  max-width: 16ch;
  margin-inline: auto;
  font-size: clamp(2.625rem, 8vw, 5.5rem);
  letter-spacing: -0.045em;
  line-height: 1.04;
}

h2 {
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

h3 {
  font-size: clamp(1.45rem, 3vw, 2rem);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

h4 {
  font-size: clamp(1.3rem, 2.5vw, 1.65rem);
  letter-spacing: -0.015em;
  line-height: 1.3;
}

p,
ul,
ol,
dl,
fieldset {
  margin-block: 0;
}

p + p {
  margin-block-start: 1rem;
}

ul,
ol {
  padding-inline-start: 1.5rem;
}

a {
  color: var(--color-link);
  font-weight: 600;
  text-decoration-line: underline;
  text-decoration-thickness: 0.125rem;
  text-underline-offset: 0.2em;
}

a:visited {
  color: var(--color-link-visited);
}

a:hover {
  color: var(--color-link-hover);
  text-decoration-thickness: 0.1875rem;
}

code {
  padding: 0.08em 0.32em;
  border-radius: 0.25rem;
  background: var(--color-surface-alt);
  color: var(--color-heading);
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 0.92em;
}

:where(a, button, input):focus-visible {
  outline: 0.1875rem solid var(--color-focus);
  outline-offset: 0.25rem;
}

main:focus {
  outline: none;
}

::selection {
  background: var(--color-selection);
  color: var(--color-selection-text);
}

.content-width {
  width: min(100%, calc(var(--content-width) + (2 * var(--page-gutter))));
  margin-inline: auto;
  padding-left: max(var(--page-gutter), env(safe-area-inset-left));
  padding-right: max(var(--page-gutter), env(safe-area-inset-right));
}

.reading-width {
  width: min(100%, calc(var(--reading-width) + (2 * var(--page-gutter))));
  margin-inline: auto;
  padding-left: max(var(--page-gutter), env(safe-area-inset-left));
  padding-right: max(var(--page-gutter), env(safe-area-inset-right));
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}


.logo-for-dark {
  display: none;
}

:root[data-theme="dark"] .logo-for-light {
  display: none;
}

:root[data-theme="dark"] .logo-for-dark {
  display: block;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .logo-for-light {
    display: none;
  }

  :root:not([data-theme]) .logo-for-dark {
    display: block;
  }
}

/* Floating navigation and appearance controls */
.site-controls {
  position: fixed;
  z-index: 100;
  inset-inline-start: max(1rem, env(safe-area-inset-left));
  inset-block-start: max(1rem, env(safe-area-inset-top));
}

.site-controls__toggle {
  display: inline-flex;
  min-width: 7rem;
  min-height: 3.25rem;
  padding: 0.7rem 1.15rem;
  border: 0.125rem solid var(--color-button);
  border-radius: var(--radius-pill);
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: var(--color-button);
  box-shadow: var(--shadow-floating);
  color: var(--color-button-text);
  cursor: pointer;
  font-weight: 700;
  touch-action: manipulation;
}

.site-controls__toggle:hover {
  border-color: var(--color-button-hover);
  background: var(--color-button-hover);
}

.site-controls__icon {
  width: 1.35rem;
  height: 1.35rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 2;
}

.site-controls__icon--close {
  display: none;
}

.site-controls__toggle[aria-expanded="true"] .site-controls__icon--menu {
  display: none;
}

.site-controls__toggle[aria-expanded="true"] .site-controls__icon--close {
  display: block;
}

.site-controls__panel {
  position: absolute;
  width: min(22rem, calc(100vw - 2rem));
  max-height: min(calc(100vh - 6.5rem), 38rem);
  max-height: min(calc(100dvh - 6.5rem), 38rem);
  padding: 1.25rem;
  inset-inline-start: 0;
  inset-block-start: calc(100% + 0.75rem);
  border: 0.125rem solid var(--color-border);
  border-radius: var(--radius-large);
  overflow-y: auto;
  background: var(--color-surface);
  box-shadow: var(--shadow-panel);
  color: var(--color-text);
  overscroll-behavior: contain;
}

.site-controls__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-controls__title {
  color: var(--color-heading);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
}

.site-controls__close {
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--color-surface-alt);
  color: var(--color-link);
  cursor: pointer;
  place-items: center;
}

.site-controls__close:hover {
  background: var(--color-surface-strong);
  color: var(--color-link-hover);
}

.site-controls__close svg {
  width: 1.35rem;
  height: 1.35rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 2;
}

.site-controls__label,
.appearance-controls legend {
  color: var(--color-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.quick-navigation {
  margin-block-start: 1.25rem;
}

.quick-navigation ul {
  display: grid;
  margin-block-start: 0.55rem;
  padding: 0;
  gap: 0.2rem;
  list-style: none;
}

.quick-navigation a {
  display: flex;
  min-height: 2.75rem;
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius-small);
  align-items: center;
  text-decoration: none;
}

.quick-navigation a:hover {
  background: var(--color-surface-alt);
  text-decoration: underline;
  text-decoration-thickness: 0.125rem;
}

.appearance-controls {
  display: grid;
  margin-block-start: 1.25rem;
  padding: 0;
  border: 0;
  gap: 0.35rem;
}

.appearance-controls legend {
  margin-block-end: 0.55rem;
  padding: 0;
}

.appearance-choice {
  display: flex;
  min-height: 2.75rem;
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius-small);
  align-items: center;
  gap: 0.7rem;
  background: var(--color-surface-alt);
  color: var(--color-heading);
  cursor: pointer;
  font-weight: 600;
}

.appearance-choice:hover {
  background: var(--color-surface-strong);
}

.appearance-choice:has(input:checked) {
  background: var(--color-surface-strong);
}

.appearance-choice:has(input:disabled) {
  color: var(--color-text-muted);
  cursor: not-allowed;
}

.appearance-choice input {
  width: 1.25rem;
  height: 1.25rem;
  margin: 0;
  flex: 0 0 auto;
  accent-color: var(--color-link);
}

/* Hero */
.hero {
  --hero-visual-opacity: 0.34;
  --hero-copy-scrim-opacity: 0.62;
  position: relative;
  display: grid;
  min-height: 100vh;
  min-height: 100svh;
  isolation: isolate;
  /* Fallback for browsers without overflow: clip support. */
  overflow: hidden;
  /* Clip decorative media without creating a nested scroll container. */
  overflow: clip;
  background: linear-gradient(
    135deg,
    var(--color-hero-start) 0%,
    var(--color-hero-mid) 52%,
    var(--color-hero-end) 100%
  );
}

:root[data-theme="dark"] .hero {
  --hero-visual-opacity: 0.3;
  --hero-copy-scrim-opacity: 0.68;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .hero {
    --hero-visual-opacity: 0.3;
    --hero-copy-scrim-opacity: 0.68;
  }
}

.hero::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-hero-content) 18%,
    var(--color-hero-content) 82%,
    transparent 100%
  );
  opacity: var(--hero-copy-scrim-opacity);
  content: "";
  pointer-events: none;
}

.hero__visual {
  position: absolute;
  z-index: 0;
  inset: -8% -4%;
  background-image: url("../assets/graphics/network-visual.svg");
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  opacity: var(--hero-visual-opacity);
  contain: paint;
  pointer-events: none;
}

@supports ((-webkit-mask-image: url("../assets/graphics/network-visual.svg")) or (mask-image: url("../assets/graphics/network-visual.svg"))) {
  .hero__visual {
    background-color: var(--color-hero-network, var(--color-network));
    background-image: none;
    -webkit-mask-image: url("../assets/graphics/network-visual.svg");
    -webkit-mask-position: center;
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-size: cover;
    mask-image: url("../assets/graphics/network-visual.svg");
    mask-position: center;
    mask-repeat: no-repeat;
    mask-size: cover;
  }
}

.hero__content {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: inherit;
  padding-block: clamp(2.5rem, 6vw, 5rem);
  align-content: center;
  text-align: center;
}

.hero-brands {
  display: flex;
  margin-block-end: clamp(1.5rem, 3vw, 2.5rem);
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1.25rem clamp(1.75rem, 4vw, 3.75rem);
}

.hero-brand-link,
.footer-brand-link {
  display: inline-flex;
  min-height: 3rem;
  padding: 0.25rem;
  border-radius: var(--radius-small);
  align-items: center;
  justify-content: center;
  color: var(--color-heading);
  text-decoration: none;
}

.hero-brand-link:visited,
.footer-brand-link:visited {
  color: var(--color-heading);
}

.hero-brand-link--wpp img {
  width: clamp(6.75rem, 12vw, 8.1rem);
  height: auto;
}

.hero-brand-link--hra img {
  width: clamp(5.9rem, 10vw, 7.15rem);
  height: auto;
}

.hero-brand-link--cns img {
  width: clamp(12rem, 22vw, 14.9375rem);
  height: auto;
}

.hero-brand-link--mhu img {
  width: auto;
  height: clamp(2.5rem, 4vw, 3rem);
}

.hero__summary {
  max-width: 48rem;
  margin: clamp(1.75rem, 3vw, 2.25rem) auto 0;
  color: var(--color-text-muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.65;
}

.hero__details {
  max-width: 52rem;
  margin: clamp(1.25rem, 2vw, 1.75rem) auto 0;
  color: var(--color-heading);
  font-size: 0.9375rem;
  font-weight: 600;
}

.hero__separator {
  display: inline-block;
  margin-inline: 0.45rem;
}

.hero__actions {
  display: flex;
  margin-block-start: clamp(2.25rem, 3vw, 2.75rem);
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  min-height: 3rem;
  padding: 0.7rem 1.35rem;
  border: 0.125rem solid transparent;
  border-radius: var(--radius-pill);
  align-items: center;
  justify-content: center;
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  touch-action: manipulation;
}

.button--primary,
.button--primary:visited {
  border-color: var(--color-button);
  background: var(--color-button);
  color: var(--color-button-text);
}

.button--primary:hover {
  border-color: var(--color-button-hover);
  background: var(--color-button-hover);
  color: var(--color-button-text);
}

.button--secondary,
.button--secondary:visited {
  border-color: var(--color-button-secondary-text);
  background: var(--color-button-secondary);
  color: var(--color-button-secondary-text);
}

.button--secondary:hover {
  background: var(--color-button-secondary-hover);
  color: var(--color-button-secondary-text);
}

/* Page sections */
.section {
  padding-block: clamp(4rem, 8vw, 7rem);
}

.about,
.previous-events {
  background: var(--color-surface);
}

.acknowledgments {
  background: var(--color-surface-alt);
}

.section-heading {
  text-align: center;
}

.section-heading::after {
  display: block;
  width: min(10rem, 45%);
  height: 0.125rem;
  margin: 1rem auto 1.5rem;
  background: var(--color-border);
  content: "";
}

.section-intro {
  color: var(--color-text-muted);
  font-size: 1.125rem;
  line-height: 1.65;
}

.event-facts {
  display: grid;
  margin-block-start: 2rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.event-facts > div {
  padding: 1rem;
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-surface-alt);
}

.event-facts dt {
  color: var(--color-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.event-facts dd {
  margin: 0.35rem 0 0;
  color: var(--color-text-muted);
}

/* Data-driven schedule */
.schedule {
  background: var(--color-page);
}

.schedule-intro {
  padding-block: clamp(4rem, 8vw, 6rem);
  text-align: center;
}

.schedule-intro p {
  max-width: 48rem;
  margin: 1rem auto 0;
  color: var(--color-text-muted);
  font-size: 1.0625rem;
}

.schedule-loading,
.schedule-message {
  margin-block: 0 clamp(3rem, 7vw, 6rem);
  color: var(--color-text-muted);
  text-align: center;
}

.schedule-message--error {
  padding: 1rem;
  border-radius: var(--radius-medium);
  background: var(--color-surface-alt);
  color: var(--color-heading);
}

.day-heading {
  background: var(--color-surface-strong);
  text-align: center;
}

.day-heading .content-width {
  padding-block: 2rem;
}

.day-heading p {
  margin-block-start: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  font-weight: 600;
}

.timeline-shell {
  padding-block: clamp(3rem, 7vw, 6rem);
  background: var(--timeline-gradient);
}

.timeline-shell--reverse {
  background: var(--timeline-gradient-reverse);
}

.timeline {
  position: relative;
  width: min(calc(100% - (2 * var(--page-gutter))), 70rem);
  margin-inline: auto;
  padding: 0;
  list-style: none;
}

.timeline::before {
  position: absolute;
  width: 0.1875rem;
  inset-block: 0;
  inset-inline-start: calc(50% - 0.09375rem);
  border-radius: var(--radius-pill);
  background: var(--color-timeline-line);
  content: "";
}

.timeline-item {
  position: relative;
  width: 50%;
  padding-block: 1.5rem;
}

.timeline-item--left {
  padding-inline-end: 3.5rem;
}

.timeline-item--right {
  margin-inline-start: 50%;
  padding-inline-start: 3.5rem;
}

.timeline-item::after {
  position: absolute;
  z-index: 2;
  width: 1.25rem;
  height: 1.25rem;
  inset-block-start: 2.75rem;
  border: 0.1875rem solid var(--color-timeline-line);
  border-radius: 50%;
  background: var(--color-marker);
  content: "";
}

.timeline-item--left::after {
  inset-inline-end: -0.625rem;
}

.timeline-item--right::after {
  inset-inline-start: -0.625rem;
}

.timeline-card {
  --card-background: var(--color-surface);
  position: relative;
  z-index: 1;
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 0;
  border-radius: var(--radius-large);
  background: var(--card-background);
  box-shadow: var(--shadow-card);
  isolation: isolate;
}

.timeline-card::before {
  position: absolute;
  z-index: 0;
  width: 0;
  height: 0;
  inset-block-start: 1.05rem;
  border-block: 0.75rem solid transparent;
  content: "";
}

.timeline-item--left .timeline-card::before {
  inset-inline-end: -0.78rem;
  border-inline-start: 0.8rem solid var(--card-background);
}

.timeline-item--right .timeline-card::before {
  inset-inline-start: -0.78rem;
  border-inline-end: 0.8rem solid var(--card-background);
}

.session-visual {
  position: relative;
  display: grid;
  width: clamp(7rem, 14vw, 9rem);
  aspect-ratio: 1;
  margin: 0 auto 1.25rem;
  border: 0.1875rem solid var(--color-heading);
  border-radius: 50%;
  background: var(--color-surface-alt);
  color: var(--color-network);
  place-items: center;
}

.session-visual svg {
  width: 74%;
  height: 74%;
}

.session-visual path,
.session-visual circle {
  vector-effect: non-scaling-stroke;
}

.session-visual path {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.75;
}

.session-visual circle {
  fill: var(--color-surface);
  stroke: currentColor;
  stroke-width: 1.75;
}

.session-visual span {
  position: absolute;
  display: grid;
  width: 2.7rem;
  height: 2.7rem;
  border: 0.125rem solid var(--color-heading);
  border-radius: 50%;
  background: var(--color-surface);
  color: var(--color-heading);
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  place-items: center;
}

.session-time {
  display: block;
  color: var(--color-heading);
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 5vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  text-align: center;
}

.session-zone {
  margin-block-start: 0.4rem;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  font-weight: 600;
  text-align: center;
}

.session-type {
  display: inline-flex;
  margin-block: 1.25rem 0.75rem;
  padding: 0.35rem 0.75rem;
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-surface-strong);
  color: var(--color-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.25;
  text-transform: none;
}

.session-description {
  margin-block-start: 0.8rem;
  color: var(--color-text);
}

.session-meta {
  display: grid;
  margin-block-start: 1.35rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
  gap: 1rem 1.25rem;
}

.session-meta__row {
  min-width: 0;
}

.session-meta__row--panelists {
  grid-column: 1 / -1;
}

.session-meta dt {
  color: var(--color-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.35;
  text-transform: uppercase;
}

.session-meta dd {
  margin: 0.3rem 0 0;
  color: var(--color-text-muted);
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.session-panelists {
  display: grid;
  margin: 0;
  padding: 0;
  gap: 0.3rem;
  list-style: none;
}

.session-resources {
  margin-block-start: 1.25rem;
}

.session-resources ul {
  display: flex;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
  gap: 0.75rem;
  list-style: none;
}

.session-resources .button {
  min-height: 2.75rem;
}

.acknowledgments .section-intro {
  font-size: 1rem;
}

.acknowledgment-list {
  margin-block-start: 1.5rem;
}

.acknowledgment-list li + li {
  margin-block-start: 0.7rem;
}

.event-link-list {
  display: grid;
  margin: 2rem 0 0;
  padding: 0;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: 1rem;
  list-style: none;
}

.previous-event-card,
.previous-event-card:visited {
  display: grid;
  min-height: 100%;
  padding: 1.25rem;
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--radius-medium);
  align-content: start;
  gap: 0.75rem;
  background: var(--color-surface-secondary);
  box-shadow: 0 0.4rem 1rem rgb(0 0 0 / 14%);
  color: var(--color-heading);
  text-decoration: none;
  transition: background-color 180ms ease, box-shadow 180ms ease;
}

.previous-event-card:hover {
  background: var(--color-surface-strong);
  box-shadow: var(--shadow-floating);
  color: var(--color-heading);
  text-decoration: none;
}

.previous-event-card__year {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 700;
}

.previous-event-card__title {
  color: var(--color-link);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.00625rem;
  line-height: 1.3125rem;
}

.funding-note {
  margin-block-start: 1.5rem;
}

.funder-brands {
  display: flex;
  margin-block-start: 1.5rem;
  padding-block: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem clamp(2rem, 6vw, 4rem);
}

.funder-brand-link {
  display: inline-flex;
  min-height: 3rem;
  padding: 0.25rem;
  border-radius: var(--radius-small);
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.funder-brand-link--nih img {
  width: auto;
  height: 2.5rem;
}

.funder-brand-link--cifar img {
  width: auto;
  height: 2rem;
}

/* Footer */
.site-footer {
  background: var(--color-header);
}

.site-footer__inner {
  display: grid;
  padding-block: clamp(2.5rem, 6vw, 4rem);
  justify-items: center;
  gap: 1.5rem;
}

.footer-brands {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem clamp(1.5rem, 4vw, 3rem);
}

.footer-brand-link--wpp img {
  width: auto;
  height: 2.5rem;
}

.footer-brand-link--hra img {
  width: auto;
  height: 2.75rem;
}

.footer-brand-link--cns img {
  width: auto;
  height: 2.25rem;
}

.footer-brand-link--mhu img {
  width: auto;
  height: 2.5rem;
}

.site-footer__copyright {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.25rem 1rem;
}

.site-footer__links a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
}

.site-footer__copyright {
  margin: 0;
  text-align: center;
}

@media (max-width: 48rem) {
  .hero__content {
    min-height: inherit;
    padding-block: clamp(2rem, 8vw, 3rem) clamp(4rem, 18vw, 6rem);
  }

  .hero-brands {
    margin-block-end: 1.5rem;
  }

  .hero::after {
    background: linear-gradient(
      90deg,
      transparent 0%,
      var(--color-hero-content) 5%,
      var(--color-hero-content) 95%,
      transparent 100%
    );
  }

  .hero__visual {
    inset: 0;
    background-size: auto 100%;
  }

  @supports ((-webkit-mask-image: url("../assets/graphics/network-visual.svg")) or (mask-image: url("../assets/graphics/network-visual.svg"))) {
    .hero__visual {
      -webkit-mask-size: auto 100%;
      mask-size: auto 100%;
    }
  }

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

  .timeline-shell {
    padding-block: 2.75rem;
  }

  .timeline {
    width: min(calc(100% - (2 * var(--page-gutter))), 42rem);
  }

  .timeline::before {
    inset-inline-start: 1.65rem;
  }

  .timeline-item,
  .timeline-item--left,
  .timeline-item--right {
    width: 100%;
    margin-inline-start: 0;
    padding-inline: 4.1rem 0;
  }

  .timeline-item--left::after,
  .timeline-item--right::after {
    inset-inline-start: 1.025rem;
    inset-inline-end: auto;
  }

  .timeline-item--left .timeline-card::before,
  .timeline-item--right .timeline-card::before {
    inset-inline-start: -0.78rem;
    inset-inline-end: auto;
    border-inline-start: 0;
    border-inline-end: 0.8rem solid var(--card-background);
  }
}

@media (max-width: 40rem) {
  .hero-brands {
    display: grid;
    grid-template-columns: repeat(2, max-content);
    gap: 1rem 1.5rem;
  }

  .hero-brand-link--wpp img {
    width: 6.4rem;
  }

  .hero-brand-link--hra img {
    width: 5.4rem;
  }

  .hero-brand-link--cns img {
    width: 5.875rem;
  }

  .hero-brand-link--mhu img {
    height: 2.25rem;
  }

  .footer-brands {
    display: grid;
    grid-template-columns: repeat(2, max-content);
    gap: 1rem 1.5rem;
  }

  .footer-brand-link--mhu img {
    height: 2.25rem;
  }
}

@media (max-width: 31.25rem) {
  .site-controls {
    inset-inline-start: max(0.75rem, env(safe-area-inset-left));
    inset-block-start: max(0.75rem, env(safe-area-inset-top));
  }

  .site-controls__panel {
    width: calc(100vw - 1.5rem);
  }

  .hero__separator {
    display: none;
  }

  .hero__details {
    display: grid;
    gap: 0.35rem;
  }

  .hero__detail {
    display: block;
  }

  .hero__actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .timeline {
    width: calc(100% - 1.5rem);
  }

  .timeline::before {
    inset-inline-start: 1.25rem;
  }

  .timeline-item,
  .timeline-item--left,
  .timeline-item--right {
    padding-inline-start: 3.25rem;
  }

  .timeline-item--left::after,
  .timeline-item--right::after {
    inset-inline-start: 0.625rem;
  }

  .timeline-card {
    padding: 1.1rem;
  }

  .session-visual {
    width: min(8rem, 100%);
  }

  .session-visual svg {
    width: 78%;
    height: 78%;
  }

  .session-meta {
    grid-template-columns: 1fr;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

}

@media (forced-colors: active) {
  .hero__visual,
  .hero::after,
  .timeline-card::before {
    display: none;
  }

  .site-controls__toggle,
  .site-controls__panel,
  .site-controls__close,
  .button,
  .event-facts > div,
  .timeline-card,
  .session-visual,
  .session-type,
  .schedule-message--error {
    border: 0.125rem solid CanvasText;
  }

  .timeline::before,
  .timeline-item::after {
    background: CanvasText;
  }

  .session-visual span {
    border-color: CanvasText;
  }

/* Preserve the capitalization authored in HTML and JSON. */
  .site-controls__label,
  .appearance-controls legend,
  .event-facts dt,
  .session-type,
  .session-meta dt {
    letter-spacing: 0.01em;
    text-transform: none;
  }
}

@media print {
  :root,
  :root[data-theme="dark"] {
    color-scheme: light;
    --color-page: #ffffff;
    --color-surface: #ffffff;
    --color-surface-alt: #ffffff;
    --color-surface-strong: #ffffff;
    --color-surface-secondary: #ffffff;
    --color-header: #ffffff;
    --color-hero-start: #ffffff;
    --color-hero-mid: #ffffff;
    --color-hero-end: #ffffff;
    --color-hero-content: #ffffff;
    --color-text: #000000;
    --color-text-muted: #000000;
    --color-heading: #000000;
    --color-link: #000000;
    --color-link-hover: #000000;
    --color-link-visited: #000000;
    --color-border: #000000;
    --color-focus: #000000;
    --color-network: #000000;
    --shadow-card: none;
    --timeline-gradient: none;
    --timeline-gradient-reverse: none;
  }

  .site-controls,
  .hero__visual,
  .hero::after,
  .timeline-card::before {
    display: none !important;
  }

  .logo-for-light {
    display: block !important;
  }

  .logo-for-dark {
    display: none !important;
  }

  .site-footer,
  .day-heading,
  .hero,
  .section,
  .timeline-shell {
    background: #ffffff !important;
  }

  .hero__content,
  .section,
  .schedule-intro,
  .timeline-shell {
    padding-block: 1.5rem;
  }

  .hero-brands {
    margin-block-end: 1.5rem;
  }

  .timeline {
    width: 100%;
  }

  .timeline::before,
  .timeline-item::after {
    display: none;
  }

  .timeline-item,
  .timeline-item--left,
  .timeline-item--right {
    width: 100%;
    margin: 0;
    padding: 0.5rem 0;
    break-inside: avoid;
  }

  .timeline-card {
    box-shadow: none;
  }

  .previous-events a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    font-weight: 400;
  }
}