/* Shared by the series landing page and new editions; the 2026 theme stays isolated. */
:root {
  --paper: #f8f8f2;
  --ink: #203a32;
  --muted: #5e6c65;
  --green: #173e35;
  --line: #d9dfd5;
  --accent: #e3ec9a;
  --soft: #eef1e8;
  --white: #fff;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 85px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-underline-offset: 4px;
}
a:hover {
  color: #356849;
}
button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}
a:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid #67842a;
  outline-offset: 5px;
}
::selection {
  background: var(--accent);
  color: var(--green);
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1,
h2,
h3 {
  line-height: 1.12;
  font-weight: 400;
}
h1,
h2 {
  font-family: var(--serif);
  letter-spacing: -0.045em;
}
p + p {
  margin-top: 17px;
}
h2 {
  font-size: clamp(32px, 3.3vw, 44px);
}
h3 {
  font-size: 23px;
}
img {
  display: block;
  max-width: 100%;
}
.wrap {
  width: min(1160px, calc(100% - 88px));
  margin-inline: auto;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 11px;
  font-weight: 650;
  line-height: 1.6;
}
.muted,
.small-note {
  color: var(--muted);
}
.small-note {
  font-size: 13px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  top: -100px;
  left: 20px;
  z-index: 100;
  background: var(--accent);
  padding: 12px 20px;
}
.skip-link:focus {
  top: 12px;
}
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.header-inner {
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  gap: 13px;
  align-items: center;
  text-decoration: none;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.4;
}
.brand small {
  display: block;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
  margin-top: 4px;
  color: var(--muted);
}
.brand-mark {
  width: 40px;
  height: 40px;
  background: var(--green);
  color: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  font: italic 32px var(--serif);
  border-radius: 50%;
}
.brand-mark span {
  font: 18px var(--sans);
  margin-left: -1px;
}
.main-nav {
  display: flex;
  gap: 28px;
  font-size: 12px;
}
.main-nav a {
  text-decoration: none;
  padding-block: 10px;
  border-bottom: 1px solid transparent;
}
.main-nav a:hover,
.main-nav a[aria-current] {
  border-bottom-color: var(--green);
}
.nav-archive {
  font-size: 14px;
  margin-left: 3px;
}
.home-hero {
  padding-block: 72px 58px;
}
.home-hero .eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
}
.small-line {
  height: 1px;
  width: 32px;
  background: var(--ink);
}
.home-hero h1 {
  font-size: clamp(68px, 8.5vw, 112px);
  line-height: 0.99;
  margin: 28px 0 30px;
}
.home-hero h1 em {
  font-weight: 400;
  color: #47745a;
}
.hero-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 45px;
}
.hero-bottom p {
  font-size: 18px;
  line-height: 1.65;
  max-width: 610px;
  color: var(--muted);
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 22px;
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 1px solid currentColor;
  padding-bottom: 7px;
}
.text-link span {
  font-size: 20px;
  line-height: 1;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 30px;
}
.section-heading .eyebrow {
  margin-bottom: 14px;
}
.editions > .section-heading {
  padding-top: 30px;
  border-top: 1px solid var(--line);
}
.editions > .section-heading h2 {
  font: 22px var(--serif);
  letter-spacing: -0.02em;
}
.editions > .section-heading > .eyebrow {
  color: var(--muted);
  font-size: 10px;
  margin: 0;
}
.featured-edition {
  background: var(--green);
  color: var(--paper);
  display: grid;
  grid-template-columns: 1fr 320px;
  overflow: hidden;
}
.edition-copy {
  padding: 42px 45px 46px;
}
.edition-label {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.badge {
  display: inline-block;
  background: var(--accent);
  color: var(--green);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 5px 10px;
  white-space: nowrap;
}
.featured-edition h3 {
  font: 38px/1.14 var(--serif);
  letter-spacing: -0.025em;
  margin: 27px 0 15px;
}
.edition-subtitle {
  font-size: 18px;
  line-height: 1.5;
  color: #e2e8ca;
}
.edition-description {
  font-size: 14px;
  color: #d0ddd2;
  max-width: 480px;
  margin-top: 24px;
}
.edition-meta {
  border-top: 1px solid #4a665b;
  padding-top: 18px;
  margin: 25px 0;
  display: flex;
  flex-direction: column;
  font-size: 11px;
  gap: 3px;
  color: #d0ddd2;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 45px;
  padding: 13px 19px;
  text-decoration: none;
  font-size: 12px;
  font-weight: 650;
  transition: background 0.15s;
}
.button-light {
  background: var(--paper);
  color: var(--green);
}
.button-light:hover {
  background: var(--accent);
  color: var(--green);
}
.button span {
  font-size: 18px;
}
.edition-art {
  border-left: 1px solid #486357;
  margin: 42px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 20px 30px;
  position: relative;
}
.art-caption {
  position: absolute;
  bottom: 4px;
  letter-spacing: 0.13em;
  font-size: 9px;
  color: #bdcdbf;
}
.discovery-loop {
  width: 100%;
  max-width: 250px;
  text-align: center;
  font-size: 12px;
  color: #dfe8d4;
}
.loop-top,
.loop-bottom {
  border: 1px solid #769076;
  border-radius: 40px;
  padding: 10px 12px;
  width: 180px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.loop-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.loop-middle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 150px;
  font-size: 11px;
  line-height: 1.5;
}
.loop-symbol {
  font: 120px/1 var(--serif);
  color: var(--accent);
}
.discovery-loop > p {
  font: italic 21px/1.5 var(--serif);
  margin-top: 36px;
  color: #e5ecd9;
}
.past-edition {
  display: grid;
  grid-template-columns: 125px 1fr auto;
  gap: 30px;
  align-items: center;
  border: 1px solid var(--line);
  border-top: 0;
  padding: 35px 40px;
}
.past-year {
  font: 48px/1 var(--serif);
  letter-spacing: -0.05em;
  color: #647467;
}
.past-year span {
  display: block;
  font: 10px var(--sans);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 12px;
}
.past-edition h3 {
  font: 27px/1.2 var(--serif);
  margin: 7px 0;
}
.past-edition p {
  font-size: 13px;
}
.past-edition p.eyebrow {
  font-size: 10px;
}
.past-edition p + p {
  margin-top: 9px;
}
.past-edition .text-link {
  font-size: 12px;
}
.series-about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  padding-block: 85px 95px;
}
.series-about h2 {
  margin-top: 20px;
}
.series-about > div > p:not(.eyebrow) {
  font-size: 15px;
  color: var(--muted);
}
.series-about .text-link {
  margin-top: 25px;
}
.site-footer {
  border-top: 1px solid var(--line);
  padding: 35px 0 40px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  font-size: 12px;
}
.footer-inner strong {
  font-size: 14px;
  font-weight: 550;
}
.footer-inner p {
  color: var(--muted);
  margin-top: 8px;
  font-size: 11px;
}
.footer-inner a {
  text-decoration: none;
}
.footer-inner a:hover {
  text-decoration: underline;
}
.footer-inner > div:last-child {
  text-align: right;
}
.footer-inner p span {
  padding: 0 8px;
  color: #647467;
}
/* Edition page */
.tutorial-hero {
  padding-block: 30px 0;
}
.back-link {
  font-size: 11px;
  text-decoration: none;
  color: var(--muted);
}
.hero-kicker {
  margin-top: 38px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.dot-divider {
  color: #819083;
}
.badge-green {
  background: #e5ebd3;
  color: #35533e;
}
.tutorial-hero h1 {
  font-size: clamp(40px, 4.9vw, 66px);
  margin-top: 24px;
  max-width: 1100px;
  line-height: 1.08;
}
.title-colon {
  font-size: 0.7em;
}
.title-subtitle {
  display: block;
  font: 400 clamp(21px, 2.35vw, 30px) / 1.35 var(--sans);
  letter-spacing: -0.02em;
  max-width: 900px;
  margin-top: 22px;
  color: #4d6655;
}
.hero-lead {
  font-size: 16px;
  margin-top: 25px;
  color: var(--muted);
  line-height: 1.6;
}
.event-facts {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 28px;
  border-top: 1px solid var(--line);
  padding: 25px 0 30px;
  margin-top: 36px;
}
.event-facts > div {
  border-right: 1px solid var(--line);
  padding-right: 15px;
}
.event-facts > div:last-child {
  border: 0;
}
.event-facts .eyebrow {
  display: block;
  color: var(--muted);
  font-size: 9px;
  margin-bottom: 7px;
}
.event-facts strong {
  display: block;
  font-size: 16px;
  font-weight: 500;
}
.event-facts small {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-top: 4px;
}
.section-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  border-block: 1px solid var(--line);
  background: var(--paper);
}
.section-nav > .wrap {
  display: flex;
  gap: 38px;
}
.section-nav a {
  padding: 16px 0;
  text-decoration: none;
  font-size: 12px;
  font-weight: 550;
}
.section-nav a:hover {
  box-shadow: inset 0 -2px var(--green);
}
.content-section {
  padding-block: 75px;
}
.section-intro {
  max-width: 850px;
}
.section-intro h2 {
  margin-top: 16px;
}
.section-lead {
  font-size: 19px;
  line-height: 1.6;
  color: #4d6153;
  margin-top: 24px;
}
.overview-copy {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px;
  margin-top: 25px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}
.overview-copy p + p {
  margin: 0;
}
.themes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 40px;
  border-block: 1px solid var(--line);
}
.themes article {
  padding: 28px 28px 30px;
  border-right: 1px solid var(--line);
}
.themes article:first-child {
  padding-left: 0;
}
.themes article:last-child {
  padding-right: 0;
  border: 0;
}
.theme-number {
  font: italic 28px var(--serif);
  color: #596e4f;
}
.themes h3 {
  font: 26px var(--serif);
  margin: 18px 0 14px;
}
.themes p {
  font-size: 13px;
  color: var(--muted);
}
.theme-tag {
  font-size: 10px;
  font-weight: 650;
  display: block;
  margin-top: 25px;
}
.speaker-section {
  background: var(--soft);
}
.speaker-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 30px;
  margin-top: 35px;
}
.portrait-link {
  display: block;
  overflow: hidden;
  background: #dfe5da;
}
.speaker img {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: center 25%;
  transition: transform 0.2s;
}
.portrait-link:hover img {
  transform: scale(1.025);
}
.speaker h3 {
  font: 23px var(--serif);
  margin-top: 20px;
  letter-spacing: -0.035em;
}
.speaker h3 a {
  text-decoration: none;
}
.speaker h3 span {
  font: 15px var(--sans);
}
.speaker p {
  font-size: 11px;
  line-height: 1.6;
}
.speaker-role {
  color: var(--muted);
  margin-top: 10px;
}
.speaker p.speaker-affiliation {
  margin-top: 2px;
  min-height: 36px;
}
.speaker p.speaker-topics {
  font-size: 11px;
  color: #506047;
  border-top: 1px solid #d0d9c9;
  padding-top: 14px;
  margin-top: 13px;
  min-height: 52px;
}
.speaker details {
  margin-top: 15px;
  border-top: 1px solid #d0d9c9;
  padding-top: 10px;
}
.speaker summary {
  cursor: pointer;
  font-size: 11px;
  font-weight: 550;
  padding: 4px 0;
}
.speaker details > p {
  margin-top: 13px;
  color: var(--muted);
  font-size: 12px;
}
.badge-outline {
  border: 1px solid #aab6a0;
  background: transparent;
}
.program-note {
  max-width: 860px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 28px;
}
.program-note strong {
  font-weight: 600;
}
.schedule-container {
  overflow-x: auto;
}
.schedule {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}
.schedule thead {
  background: var(--green);
  color: var(--paper);
}
.schedule th,
.schedule td {
  padding: 21px 22px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.schedule thead th {
  font-size: 10px;
  font-weight: 550;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding-block: 12px;
}
.schedule-time {
  width: 155px;
  white-space: nowrap;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.schedule-time small {
  display: block;
  font-size: 10px;
  color: var(--muted);
  margin-top: 5px;
}
.session-name {
  display: block;
  font-size: 15px;
  font-weight: 550;
}
.session-description {
  display: block;
  font-size: 12px;
  line-height: 1.6;
  font-weight: 400;
  color: var(--muted);
  max-width: 620px;
  margin-top: 6px;
}
.schedule-speaker {
  width: 185px;
  font-size: 12px;
}
.schedule tbody th {
  font-weight: 400;
}
.break-row {
  background: var(--soft);
}
.break-row .session-name {
  font-style: italic;
  font-weight: 400;
}
.attend-section {
  background: var(--green);
  color: var(--paper);
}
.attend-section > .wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
}
.attend-section h2 {
  margin: 20px 0 25px;
}
.attend-section p {
  color: #d0ddd2;
  font-size: 14px;
}
.attend-section .eyebrow {
  color: var(--accent);
  font-size: 11px;
}
.attendance-note {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid #4b665b;
}
.attendance-note strong {
  font-size: 12px;
  color: var(--accent);
  font-weight: 550;
}
.attendance-note p {
  font-size: 12px;
  margin-top: 9px;
}
.learning-panel h3 {
  font: 24px var(--serif);
  margin-bottom: 14px;
}
.learning-panel ul {
  padding-left: 18px;
  margin: 0 0 30px;
  color: #d0ddd2;
  font-size: 13px;
}
.learning-panel li {
  padding-left: 6px;
  margin-bottom: 11px;
}
.learning-panel p {
  font-size: 13px;
}
.learning-panel p strong {
  font-weight: 500;
  color: var(--paper);
}
.materials-notice {
  border-left: 3px solid #73894f;
  background: var(--soft);
  padding: 23px 28px;
  margin: 30px 0;
}
.materials-notice strong {
  font-size: 14px;
  font-weight: 550;
}
.materials-notice p {
  font-size: 13px;
  color: var(--muted);
  margin-top: 8px;
}
.reading-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.reading-list li {
  display: flex;
  gap: 26px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.reading-index {
  font: italic 22px var(--serif);
  color: #596e4f;
  min-width: 28px;
}
.reading-list a {
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}
.reading-list a:hover {
  text-decoration: underline;
}
.reading-list a span {
  padding-left: 5px;
}
.reading-list p {
  font-size: 11px;
  margin-top: 5px;
  color: var(--muted);
}
.contact-strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  margin-top: 60px;
  padding-top: 30px;
}
.contact-strip h3 {
  font: 27px var(--serif);
}
.contact-strip p {
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px;
}
.contact-strip .text-link {
  font-size: 12px;
}
@media (min-width: 1500px) {
  .wrap {
    width: 1160px;
  }
}
@media (max-width: 1000px) {
  .wrap {
    width: calc(100% - 56px);
  }
  .featured-edition {
    grid-template-columns: 1fr 250px;
  }
  .edition-copy {
    padding: 32px;
  }
  .featured-edition h3 {
    font-size: 32px;
  }
  .edition-label {
    gap: 10px;
    font-size: 9px;
    flex-wrap: wrap;
  }
  .edition-art {
    padding-inline: 22px;
  }
  .past-edition {
    grid-template-columns: 90px 1fr;
    gap: 25px;
    padding: 28px;
  }
  .past-edition > .text-link {
    grid-column: 2;
    justify-self: start;
  }
  .speaker-grid {
    gap: 20px;
  }
  .speaker h3 {
    font-size: 20px;
  }
  .attend-section > .wrap {
    gap: 45px;
  }
  .series-about {
    gap: 45px;
  }
  .themes h3 {
    font-size: 23px;
  }
  .section-heading .small-note {
    display: none;
  }
  .main-nav {
    gap: 20px;
  }
}
@media (max-width: 700px) {
  html {
    scroll-padding-top: 70px;
  }
  .wrap {
    width: calc(100% - 40px);
  }
  .header-inner {
    min-height: 110px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 13px;
    padding-block: 18px;
  }
  .brand {
    font-size: 13px;
  }
  .brand-mark {
    width: 34px;
    height: 34px;
    font-size: 27px;
  }
  .main-nav {
    width: 100%;
    gap: 25px;
    font-size: 11px;
  }
  .main-nav a {
    padding: 3px 0;
  }
  .home-hero {
    padding-block: 42px 38px;
  }
  .home-hero h1 {
    font-size: 76px;
    margin-top: 22px;
  }
  .hero-bottom {
    display: block;
  }
  .hero-bottom p {
    font-size: 15px;
  }
  .hero-bottom .text-link {
    margin-top: 23px;
  }
  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }
  .editions > .section-heading {
    gap: 7px;
    margin-bottom: 22px;
  }
  .featured-edition {
    grid-template-columns: 1fr;
  }
  .edition-copy {
    padding: 28px 25px;
  }
  .featured-edition h3 {
    font-size: 32px;
  }
  .edition-subtitle {
    font-size: 16px;
  }
  .edition-description {
    font-size: 13px;
  }
  .edition-art {
    display: none;
  }
  .past-edition {
    padding: 26px 25px;
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .past-year {
    font-size: 35px;
    display: flex;
    align-items: center;
    gap: 15px;
  }
  .past-year span {
    margin: 0;
    font-size: 9px;
  }
  .past-edition h3 {
    font-size: 26px;
  }
  .past-edition > .text-link {
    grid-column: auto;
  }
  .series-about {
    grid-template-columns: 1fr;
    gap: 25px;
    padding-block: 50px;
  }
  .series-about h2 {
    margin-top: 15px;
  }
  .footer-inner {
    flex-direction: column;
    gap: 23px;
  }
  .footer-inner > div:last-child {
    text-align: left;
  }
  .tutorial-hero {
    padding-top: 22px;
  }
  .hero-kicker {
    font-size: 9px;
    gap: 9px;
    flex-wrap: wrap;
    margin-top: 25px;
  }
  .tutorial-hero h1 {
    font-size: 42px;
    margin-top: 20px;
  }
  .desktop-break {
    display: none;
  }
  .title-subtitle {
    font-size: 22px;
    margin-top: 18px;
    line-height: 1.4;
  }
  .hero-lead {
    font-size: 14px;
    margin-top: 20px;
  }
  .event-facts {
    grid-template-columns: 1fr;
    gap: 17px;
    margin-top: 25px;
    padding-block: 22px;
  }
  .event-facts > div {
    border: 0;
    padding: 0;
  }
  .event-facts strong {
    font-size: 15px;
  }
  .event-facts .eyebrow {
    margin-bottom: 3px;
  }
  .event-facts small {
    font-size: 11px;
  }
  .section-nav > .wrap {
    gap: 0;
    justify-content: space-between;
  }
  .section-nav a {
    font-size: 10px;
    padding-block: 15px;
  }
  .content-section {
    padding-block: 48px;
  }
  .section-lead {
    font-size: 17px;
    margin-top: 20px;
  }
  .overview-copy {
    grid-template-columns: 1fr;
    gap: 17px;
    margin-top: 20px;
    font-size: 13px;
  }
  .themes {
    grid-template-columns: 1fr;
    margin-top: 28px;
  }
  .themes article,
  .themes article:first-child,
  .themes article:last-child {
    padding: 22px 0;
    border: 0;
    border-bottom: 1px solid var(--line);
  }
  .themes article:last-child {
    border-bottom: 0;
  }
  .theme-number {
    font-size: 23px;
  }
  .themes h3 {
    display: inline-block;
    font-size: 25px;
    margin: 0 0 13px 15px;
  }
  .theme-tag {
    margin-top: 16px;
  }
  .speaker-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 18px;
    margin-top: 25px;
  }
  .speaker h3 {
    font-size: 21px;
    line-height: 1.2;
    margin-top: 14px;
  }
  .speaker p.speaker-topics {
    min-height: 68px;
  }
  .speaker-role {
    min-height: 35px;
  }
  .speaker p.speaker-affiliation {
    min-height: 36px;
  }
  .schedule {
    min-width: 540px;
  }
  .schedule th,
  .schedule td {
    padding: 16px 12px;
  }
  .schedule-time {
    width: 100px;
    font-size: 11px;
  }
  .schedule-speaker {
    width: 115px;
    font-size: 11px;
  }
  .session-name {
    font-size: 13px;
  }
  .session-description {
    font-size: 11px;
  }
  .schedule thead th {
    font-size: 9px;
  }
  .schedule-container {
    border-right: 1px solid var(--line);
  }
  .attend-section > .wrap {
    grid-template-columns: 1fr;
    gap: 35px;
  }
  .attend-section h2 {
    margin-block: 17px 23px;
  }
  .reading-list li {
    gap: 16px;
    padding-block: 18px;
  }
  .reading-list a {
    font-size: 13px;
  }
  .materials-notice {
    padding: 20px;
    margin-block: 22px;
  }
  .contact-strip {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    margin-top: 40px;
    padding-top: 15px;
  }
  .contact-strip h3 {
    font-size: 25px;
  }
}
@media (max-width: 360px) {
  .wrap {
    width: calc(100% - 32px);
  }
  .home-hero h1 {
    font-size: 66px;
  }
  .tutorial-hero h1 {
    font-size: 36px;
  }
  .speaker-grid {
    gap: 25px 13px;
  }
  .speaker h3 {
    font-size: 19px;
  }
  .main-nav {
    gap: 18px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
  }
}

/* Content-first edition structure, following the original tutorial. */
.compact-hero {
  padding-bottom: 42px;
}
.tutorial-body {
  max-width: 1000px;
  padding-bottom: 70px;
}
.slides-section {
  padding-block: 40px;
  border-bottom: 1px solid var(--line);
}
.slides-section h2 {
  font-size: 30px;
  margin-bottom: 15px;
}
.tutorial-body p,
.tutorial-body li {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}
.tutorial-body strong {
  color: var(--ink);
  font-weight: 600;
}
.tutorial-description,
.tutorial-reading {
  padding-top: 50px;
}
.tutorial-description > section {
  margin-top: 32px;
}
.tutorial-description h3,
.reading-group h3 {
  font: 29px/1.2 var(--serif);
  letter-spacing: -0.025em;
  margin-bottom: 17px;
}
.tutorial-description ul,
.tutorial-description ol {
  padding-left: 24px;
}
.tutorial-description li {
  padding-left: 5px;
  margin-block: 8px;
}
.tutorial-outline {
  margin-top: 24px;
}
.tutorial-outline > li {
  padding-left: 10px;
  margin-bottom: 25px;
}
.tutorial-outline h4 {
  font-size: 16px;
  color: var(--ink);
  font-weight: 600;
  margin: 0 0 8px;
}
.tutorial-outline ul {
  margin-top: 0;
}
.tutorial-outline > li::marker {
  color: var(--ink);
  font-weight: 600;
}
.motivation-list li {
  margin-block: 14px;
}
.tutorial-reading {
  margin-top: 40px;
  border-top: 1px solid var(--line);
}
.reading-group {
  margin-top: 32px;
}
.tutorial-body .reading-list li {
  padding: 14px 0;
}
.tutorial-body .reading-list p {
  font-size: 12px;
  margin-top: 4px;
}
.tutorial-body .reading-list a {
  font-size: 15px;
  color: var(--ink);
}
@media (max-width: 700px) {
  .compact-hero {
    padding-bottom: 30px;
  }
  .tutorial-body {
    padding-bottom: 45px;
  }
  .tutorial-body p,
  .tutorial-body li,
  .tutorial-body .reading-list a {
    font-size: 14px;
  }
  .tutorial-description,
  .tutorial-reading {
    padding-top: 35px;
  }
  .tutorial-description h3,
  .reading-group h3 {
    font-size: 25px;
  }
  .tutorial-description ul,
  .tutorial-description ol {
    padding-left: 20px;
  }
  .tutorial-outline > li {
    padding-left: 3px;
  }
}

/* A quiet conference masthead; the official mark stays unmodified. */
.hero-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}
.conference-logo { display: block; flex-shrink: 0; padding-block: 8px; }
.conference-logo img { display: block; width: 205px; height: auto; }
.conference-identity {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-top: 30px;
}
.conference-title {
  color: #003973;
  font-size: 16px;
  font-weight: 650;
  letter-spacing: .065em;
  white-space: nowrap;
  text-transform: uppercase;
  text-decoration: none;
}
.conference-title span { font-size: 12px; }
.conference-location { font-size: 12px; color: var(--muted); }
/* Email shares the biography action row, never an extra line below a name. */
.speaker-actions { position: relative; }
.speaker-actions details { padding-top: 0; }
.speaker-actions summary {
  display: list-item;
  padding: 12px 40px 12px 0;
  min-height: 44px;
}
.speaker-email {
  position: absolute;
  top: 1px;
  right: -5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 44px;
  color: var(--muted);
  border-radius: 4px;
  transition: color .2s, background .2s;
}
.speaker-email:hover { color: var(--ink); background: #dfe5da; }
@media (max-width: 600px) {
  .hero-topline { gap: 18px; padding-bottom: 16px; }
  .conference-logo img { width: 150px; }
  .conference-identity { gap: 10px 14px; margin-top: 24px; }
  .conference-title { font-size: 14px; }
  .conference-location { font-size: 11px; }
  .speaker-actions details { margin-top: 12px; }
}