:root {
  --ink: #121713;
  --ink-soft: #303a32;
  --paper: #f5f7f3;
  --white: #ffffff;
  --green: #b8ef52;
  --green-soft: #e7f7c8;
  --orange: #ff6846;
  --muted: #657068;
  --line: #cbd2cb;
  --dark-line: #3b453d;
  --max-width: 1180px;
  --page-gutter: max(28px, calc((100vw - var(--max-width)) / 2));
  --font-sans: "IBM Plex Sans", Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "IBM Plex Serif", Georgia, "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink-soft);
  background: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

a:hover {
  text-decoration-color: var(--orange);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.header-inner {
  width: min(var(--max-width), calc(100% - 56px));
  min-height: 78px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 42px;
}

.wordmark {
  display: inline-flex;
  flex: none;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}

.wordmark-mark {
  position: relative;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 2px solid var(--ink);
  font-family: var(--font-serif);
  font-size: 21px;
  line-height: 1;
}

.wordmark-mark::after {
  position: absolute;
  right: -5px;
  bottom: -5px;
  width: 10px;
  height: 10px;
  background: var(--orange);
  content: "";
}

.wordmark-copy {
  display: grid;
  gap: 0;
  line-height: 1.2;
}

.wordmark strong {
  color: var(--ink);
  font-size: 17px;
  letter-spacing: 0;
}

.wordmark small {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

nav {
  display: flex;
  align-items: stretch;
  align-self: stretch;
  gap: 30px;
}

nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  color: #4a554c;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

nav a::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 3px;
  background: var(--orange);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--ink);
}

nav a:hover::after,
nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.hero-inner {
  position: relative;
  width: min(var(--max-width), calc(100% - 56px));
  min-height: 520px;
  margin: 0 auto;
  padding: 76px 0 62px;
  display: block;
}

.hero-copy {
  max-width: 880px;
}

.eyebrow {
  margin: 0 0 22px;
  color: #435047;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow,
.page-heading .eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--green);
}

.hero .eyebrow span {
  width: 34px;
  height: 2px;
  background: var(--orange);
}

h1,
h2,
h3 {
  margin-top: 0;
  color: var(--ink);
  line-height: 1.08;
  letter-spacing: 0;
}

h1,
h2 {
  font-family: var(--font-serif);
  font-weight: 400;
}

.hero h1 {
  margin: 0;
  color: var(--white);
  font-size: 94px;
  line-height: 0.92;
}

.hero h1 em {
  color: var(--green);
  font-style: normal;
}

.hero-title {
  max-width: 810px;
  margin: 30px 0 0;
  color: var(--white);
  font-size: 27px;
  font-weight: 650;
  line-height: 1.25;
}

.hero-summary {
  max-width: 680px;
  margin: 18px 0 0;
  color: #b9c2bb;
  font-size: 17px;
  line-height: 1.6;
}

.hero-actions {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 10px 17px;
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.3;
  text-decoration: none;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease;
}

.button-accent {
  color: var(--ink);
  background: var(--green);
}

.button-accent:hover {
  background: var(--white);
}

.button-dark {
  color: var(--white);
  background: var(--ink);
}

.button-dark:hover {
  color: var(--ink);
  border-color: var(--ink);
  background: transparent;
}

.text-link {
  color: var(--white);
  font-size: 13px;
  font-weight: 750;
  text-decoration-color: #5e6961;
}

.text-link:hover {
  text-decoration-color: var(--orange);
}

.event-strip {
  position: relative;
  width: min(var(--max-width), calc(100% - 56px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--dark-line);
}

.event-strip div {
  min-height: 102px;
  padding: 22px 20px 24px 0;
  border-right: 1px solid var(--dark-line);
}

.event-strip div + div {
  padding-left: 24px;
}

.event-strip div:last-child {
  border-right: 0;
}

dt {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

dd {
  margin: 5px 0 0;
  color: var(--ink);
  font-weight: 750;
  line-height: 1.4;
}

.event-strip dt {
  color: #7e8981;
}

.event-strip dd {
  color: var(--white);
  font-size: 14px;
}

.section,
.page-heading {
  padding-right: var(--page-gutter);
  padding-left: var(--page-gutter);
}

.section {
  padding-top: 0;
  padding-bottom: 0;
  background: var(--paper);
}

main > .section + .section {
  margin-top: 56px;
}

.section h2 {
  margin: 0;
  font-size: 49px;
}

.section h2::before {
  width: 42px;
  height: 3px;
  margin: 0 0 22px;
  display: block;
  background: var(--orange);
  content: "";
}

.section-heading {
  min-width: 0;
}

.about,
.content-grid,
.program,
.organizers {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(420px, 1.25fr);
  gap: 90px;
  align-items: start;
}

.reading-width {
  max-width: 760px;
}

.reading-width p {
  margin: 0 0 19px;
}

.lead-copy {
  padding-top: 34px;
  border-top: 3px solid var(--ink);
}

.lead-copy .lede {
  margin-bottom: 28px;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 28px;
  line-height: 1.35;
}

.page-heading {
  position: relative;
  overflow: hidden;
  min-height: 365px;
  padding-top: 76px;
  padding-bottom: 68px;
  color: var(--white);
  background: var(--ink);
}

.page-heading::after {
  position: absolute;
  right: var(--page-gutter);
  bottom: -62px;
  width: 155px;
  height: 155px;
  border: 1px solid var(--dark-line);
  content: "";
}

.page-heading h1 {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0;
  color: var(--white);
  font-size: 72px;
}

.page-heading > p:last-child {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 24px 0 0;
  color: #b8c1ba;
  font-size: 18px;
}

.dates-table,
.program-table {
  border-top: 3px solid var(--ink);
}

.dates-table div,
.program-table div {
  display: grid;
  grid-template-columns: minmax(140px, 0.75fr) minmax(230px, 1.25fr);
  gap: 28px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.dates-table span,
.program-table span {
  color: var(--muted);
}

.dates-table strong,
.program-table strong {
  color: var(--ink);
}

.submission .content-grid > div:last-child > p:first-child {
  margin-top: 0;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 23px;
  line-height: 1.45;
}

.cfp-subsection + .cfp-subsection {
  margin-top: 42px;
  padding-top: 36px;
}

.cfp-subsection h3 {
  margin-bottom: 22px;
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 400;
}

.cfp-subsection > p:first-of-type {
  margin-top: 0;
}

.cfp-subsection:first-child > ul > li:last-child {
  border-bottom: 0;
}

ul {
  padding-left: 0;
  list-style: none;
}

li {
  position: relative;
  padding: 10px 0 10px 24px;
  border-bottom: 1px solid var(--line);
}

li::before {
  position: absolute;
  top: 20px;
  left: 2px;
  width: 7px;
  height: 7px;
  background: var(--orange);
  content: "";
}

.notice {
  margin: 26px 0;
  padding: 16px 18px;
  border-left: 4px solid #75a927;
  background: var(--green-soft);
  color: #3f5134;
  font-size: 14px;
}

.submission .button {
  min-width: 156px;
  padding: 13px 30px;
  color: var(--ink);
  background: var(--green);
}

.submission .button:hover {
  background: var(--orange);
}

.program-lead {
  max-width: 680px;
  margin: -8px 0 40px;
  color: var(--muted);
}

.program-table {
  max-width: 900px;
}

.program-table div {
  grid-template-columns: minmax(190px, 0.65fr) minmax(280px, 1.35fr);
}

.organizer-list {
  max-width: 900px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
}

.organizer-list article {
  position: relative;
  min-height: 160px;
  padding: 28px 28px 26px 0;
  border-top: 3px solid var(--ink);
}

.organizer-list article::before {
  position: absolute;
  top: -3px;
  right: 0;
  width: 42px;
  height: 3px;
  background: var(--orange);
  content: "";
}

.organizer-list h3 {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 400;
}

.organizer-list h3 a {
  color: inherit;
}

.organizer-list p {
  max-width: 330px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.organizer-list .organizer-title {
  margin-bottom: 3px;
  color: var(--ink-soft);
  font-weight: 700;
}

.site-footer {
  padding: 52px var(--page-gutter);
  color: #aeb8b0;
  border-top: 1px solid var(--dark-line);
  background: var(--ink);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(260px, 1fr) auto;
  align-items: end;
  gap: 44px;
}

.footer-brand {
  display: grid;
  gap: 7px;
}

.footer-brand strong {
  color: var(--green);
  font-family: var(--font-serif);
  font-size: 27px;
  font-weight: 400;
}

.footer-brand span,
.site-footer p,
.back-to-top {
  font-size: 12px;
  line-height: 1.6;
}

.site-footer p {
  margin: 0;
}

.back-to-top {
  color: var(--white);
  font-weight: 750;
  text-decoration: none;
}

.back-to-top span {
  display: inline-block;
  margin-left: 8px;
  color: var(--orange);
  font-size: 16px;
}

@media (max-width: 980px) {
  .hero h1 {
    font-size: 72px;
  }

  .hero-title {
    font-size: 24px;
  }

  .about,
  .content-grid,
  .program,
  .organizers {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

  .back-to-top {
    grid-column: 2;
  }
}

@media (max-width: 760px) {
  :root {
    --page-gutter: 20px;
  }

  .header-inner {
    width: 100%;
    min-height: 0;
    padding: 14px 20px 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .wordmark-mark {
    width: 34px;
    height: 34px;
  }

  nav {
    width: calc(100% + 40px);
    min-height: 46px;
    margin-left: -20px;
    padding: 0 20px;
    align-self: auto;
    gap: 23px;
    overflow-x: auto;
    white-space: nowrap;
    scrollbar-width: none;
  }

  nav::-webkit-scrollbar {
    display: none;
  }

  nav a::after {
    bottom: 0;
  }

  .hero-inner {
    width: calc(100% - 40px);
    min-height: 0;
    padding: 44px 0 38px;
    display: block;
  }

  .hero .eyebrow,
  .page-heading .eyebrow {
    margin-bottom: 17px;
  }

  .hero h1 {
    font-size: 50px;
  }

  .hero-title {
    margin-top: 20px;
    font-size: 21px;
  }

  .hero-summary {
    margin-top: 12px;
    font-size: 15px;
  }

  .hero-actions {
    margin-top: 25px;
  }

  .event-strip {
    width: 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .event-strip div,
  .event-strip div + div {
    min-height: 82px;
    padding: 14px 20px 16px;
    border-right: 1px solid var(--dark-line);
  }

  .event-strip div:nth-child(2n) {
    border-right: 0;
  }

  .event-strip div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--dark-line);
  }

  .event-strip dd {
    font-size: 12px;
  }

  .section h2 {
    font-size: 37px;
  }

  main > .section + .section {
    margin-top: 40px;
  }

  .about,
  .content-grid,
  .program,
  .organizers {
    gap: 40px;
  }

  .lead-copy {
    padding-top: 26px;
  }

  .lead-copy .lede {
    font-size: 23px;
  }

  .organizer-list {
    grid-template-columns: 1fr;
  }

  .page-heading {
    min-height: 310px;
    padding-top: 56px;
    padding-bottom: 55px;
  }

  .page-heading::after {
    right: 20px;
    width: 100px;
    height: 100px;
  }

  .page-heading h1 {
    font-size: 48px;
  }

  .page-heading > p:last-child {
    max-width: calc(100% - 30px);
    font-size: 15px;
  }

  .dates-table div,
  .program-table div {
    grid-template-columns: 1fr;
    gap: 3px;
    padding: 17px 0;
  }

  .organizer-list {
    gap: 22px;
  }

  .organizer-list article {
    min-height: 0;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 28px;
  }

  .back-to-top {
    grid-column: auto;
  }
}

@media (max-width: 420px) {
  .hero h1 {
    font-size: 43px;
  }

  .hero-title {
    font-size: 19px;
  }

  .hero-summary,
  .hero-actions .text-link {
    display: none;
  }

  .button {
    max-width: 100%;
  }

  .page-heading h1 {
    font-size: 41px;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}