:root {
  --paper: #f6f6f0;
  --paper-bright: #fffef8;
  --ink: #111b33;
  --muted: #556174;
  --line: #c9d0d6;
  --navy: #121846;
  --blue: #174bd6;
  --cyan: #21b6c7;
  --pink: #e6328b;
  --yellow: #f4d94c;
  --green: #24a37a;
  --focus: #ffcf2f;
  --header-height: 76px;
  --max: 1240px;
  --reading: 760px;
  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: "Aptos", "Gill Sans", "Trebuchet MS", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  transform: translateY(-160%);
  background: var(--paper-bright);
  color: var(--ink);
  font-weight: 800;
}

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

.reading-progress {
  position: fixed;
  z-index: 999;
  top: 0;
  left: 0;
  width: 0;
  height: 4px;
  background: var(--pink);
  pointer-events: none;
}

.shell {
  width: min(calc(100% - 48px), var(--max));
  margin-inline: auto;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1.3;
  text-transform: uppercase;
}

.section-heading {
  max-width: 850px;
  margin: 0;
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: 0;
}

.section-intro {
  max-width: 700px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: var(--header-height);
  border-bottom: 1px solid rgba(17, 27, 51, 0.14);
  background: rgba(255, 254, 248, 0.96);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 48px), var(--max));
  height: 100%;
  margin-inline: auto;
  gap: 28px;
}

.brand {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}

.brand img {
  width: 34px;
  height: 42px;
  object-fit: contain;
}

.brand-text {
  display: flex;
  min-width: 0;
  flex-direction: column;
  line-height: 1.02;
}

.brand-name {
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 1.18rem;
  font-weight: 700;
  white-space: nowrap;
}

.brand-note {
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.primary-nav a {
  position: relative;
  padding: 8px 0;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 800;
  text-decoration: none;
}

.primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 3px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--pink);
  content: "";
  transition: transform 180ms ease;
}

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

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
}

.menu-lines,
.menu-lines::before,
.menu-lines::after {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  content: "";
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-lines {
  position: relative;
}

.menu-lines::before {
  position: absolute;
  top: -6px;
}

.menu-lines::after {
  position: absolute;
  top: 6px;
}

.menu-toggle[aria-expanded="true"] .menu-lines {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-lines::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-lines::after {
  top: 0;
  transform: rotate(-45deg);
}

.hero {
  position: relative;
  display: flex;
  height: clamp(620px, calc(100svh - 96px), 690px);
  align-items: flex-end;
  overflow: hidden;
  isolation: isolate;
  background: #1b2557 url("/wp-content/uploads/2020/05/729B4103-2.jpg") center 47% / cover no-repeat;
  color: #fff;
}

.hero::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  background: rgba(8, 13, 40, 0.72);
  content: "";
}

.hero::after {
  position: absolute;
  z-index: -1;
  right: 0;
  bottom: 0;
  left: 0;
  height: 5px;
  background: var(--yellow);
  content: "";
}

.hero-inner {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto 56px;
}

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 18px;
  color: #fff;
  font-size: 0.8rem;
  font-weight: 900;
  text-transform: uppercase;
}

.hero-kicker::before {
  width: 38px;
  height: 4px;
  background: var(--yellow);
  content: "";
}

.hero h1 {
  max-width: 880px;
  margin: 0;
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 5.4rem;
  line-height: 0.92;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 720px;
  margin: 26px 0 0;
  color: #f7f6ef;
  font-size: 1.17rem;
  line-height: 1.55;
}

.hero-footer {
  display: flex;
  align-items: center;
  margin-top: 30px;
  gap: 22px;
}

.event-stamp {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  margin: 0;
  font-size: 0.83rem;
  font-weight: 900;
  text-transform: uppercase;
}

.event-stamp span + span::before {
  margin-right: 18px;
  color: var(--yellow);
  content: "/";
}

.button-link {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 10px 18px;
  border: 2px solid currentColor;
  border-radius: 4px;
  background: var(--paper-bright);
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 900;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.button-link:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--yellow);
}

.button-link .arrow {
  font-size: 1.12rem;
  line-height: 1;
}

.article-library {
  position: relative;
  padding: 78px 0 86px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-bright);
}

.article-library::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 17%;
  height: 8px;
  background: var(--pink);
  content: "";
}

.library-layout {
  display: grid;
  grid-template-columns: minmax(250px, 0.72fr) minmax(0, 1.55fr);
  gap: 68px;
}

.library-intro {
  align-self: start;
}

.library-intro .section-heading {
  font-size: 2.8rem;
}

.library-intro p:last-child {
  margin: 20px 0 0;
  color: var(--muted);
}

.tabs {
  min-width: 0;
}

.tab-list {
  display: flex;
  overflow-x: auto;
  align-items: stretch;
  margin: 0 0 28px;
  padding: 0;
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}

.tab-list button {
  position: relative;
  flex: 0 0 auto;
  min-height: 46px;
  padding: 8px 16px 11px;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 900;
  white-space: nowrap;
}

.tab-list button::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 4px;
  background: var(--blue);
  content: "";
  opacity: 0;
}

.tab-list button[aria-selected="true"] {
  color: var(--ink);
}

.tab-list button[aria-selected="true"]::after {
  opacity: 1;
}

[role="tabpanel"][hidden] {
  display: none;
}

.article-index {
  min-width: 0;
}

.article-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.article-links li {
  margin: 0;
  border-top: 1px solid var(--line);
}

.article-links li:last-child {
  border-bottom: 1px solid var(--line);
}

.article-links a,
.article-index > a {
  display: grid;
  min-height: 88px;
  grid-template-columns: minmax(0, 1fr) 28px;
  align-items: center;
  gap: 15px;
  padding: 15px 8px;
  color: var(--ink);
  text-decoration: none;
  transition: color 160ms ease, background 160ms ease;
}

.article-links a:hover,
.article-index > a:hover {
  background: #f2f4f1;
  color: var(--blue);
}

.article-number {
  color: var(--pink);
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 1.45rem;
  font-weight: 700;
}

.article-title {
  display: block;
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.15;
}

.article-meta {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 850;
  text-transform: uppercase;
}

.article-go {
  font-size: 1.35rem;
  font-weight: 400;
  transition: transform 160ms ease;
}

.article-links a:hover .article-go {
  transform: translateX(4px);
}

.mission-band {
  padding: 100px 0;
  background: var(--paper);
}

.mission-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(260px, 0.72fr);
  align-items: center;
  gap: 90px;
}

.mission-copy blockquote {
  margin: 34px 0 0;
  padding: 0 0 0 24px;
  border-left: 5px solid var(--pink);
  color: var(--ink);
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 1.45rem;
  line-height: 1.3;
}

.mission-mark {
  display: grid;
  aspect-ratio: 1 / 1;
  place-items: center;
  border: 1px solid var(--line);
  background: var(--paper-bright);
}

.mission-mark img {
  width: min(62%, 300px);
  max-height: 72%;
  object-fit: contain;
}

.topic-band {
  padding: 94px 0;
  background: var(--yellow);
}

.topic-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.45fr;
  gap: 70px;
}

.topic-band .eyebrow {
  color: var(--ink);
}

.topic-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink);
  list-style: none;
}

.topic-list li {
  min-height: 112px;
  padding: 20px 20px 18px 0;
  border-bottom: 2px solid var(--ink);
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.18;
}

.topic-list li:nth-child(odd) {
  border-right: 2px solid var(--ink);
}

.topic-list li:nth-child(even) {
  padding-left: 20px;
}

.agenda-preview {
  padding: 105px 0;
  background: var(--navy);
  color: #fff;
}

.agenda-preview .eyebrow {
  color: var(--cyan);
}

.agenda-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
}

.agenda-head .button-link {
  flex: 0 0 auto;
}

.agenda-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 58px 0 0;
  padding: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.28);
  list-style: none;
}

.agenda-list li {
  min-height: 230px;
  padding: 24px 24px 28px 0;
  border-right: 1px solid rgba(255, 255, 255, 0.28);
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
}

.agenda-list li:nth-child(3n+2),
.agenda-list li:nth-child(3n+3) {
  padding-left: 24px;
}

.agenda-list li:nth-child(3n) {
  border-right: 0;
}

.agenda-time {
  color: var(--yellow);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.agenda-title {
  margin: 14px 0 0;
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 1.35rem;
  line-height: 1.18;
}

.agenda-desc {
  margin: 14px 0 0;
  color: #bec9df;
  font-size: 0.9rem;
  line-height: 1.55;
}

.people-band {
  padding: 100px 0;
  background: var(--paper-bright);
}

.people-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-top: 50px;
  gap: 18px;
}

.person {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
}

.person img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.03);
}

.person figcaption {
  min-height: 124px;
  padding: 16px;
}

.person strong {
  display: block;
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 1.05rem;
  line-height: 1.15;
}

.person span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.4;
}

.partners {
  padding: 70px 0 78px;
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.logo-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: center;
  margin-top: 36px;
  gap: 28px;
}

.logo-row img {
  width: 100%;
  height: 76px;
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.8;
}

.faq-band {
  padding: 92px 0;
  background: var(--paper-bright);
}

.faq-grid {
  display: grid;
  grid-template-columns: 0.72fr 1.5fr;
  gap: 70px;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  position: relative;
  padding: 22px 48px 22px 0;
  cursor: pointer;
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.2;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  position: absolute;
  top: 18px;
  right: 4px;
  width: 30px;
  height: 30px;
  border: 1px solid var(--ink);
  border-radius: 50%;
  content: "+";
  font-family: "Aptos", sans-serif;
  font-size: 1.3rem;
  font-weight: 400;
  line-height: 27px;
  text-align: center;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  max-width: 680px;
  margin: -4px 48px 24px 0;
  color: var(--muted);
}

.site-footer {
  padding: 62px 0 26px;
  background: #0a1028;
  color: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(180px, 0.55fr) minmax(180px, 0.55fr);
  gap: 60px;
}

.footer-brand {
  max-width: 520px;
}

.footer-brand h2 {
  margin: 0;
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 2rem;
  line-height: 1;
}

.footer-brand p {
  margin: 18px 0 0;
  color: #b9c4d8;
}

.footer-nav h3 {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 0.75rem;
  text-transform: uppercase;
}

.footer-nav a {
  display: block;
  width: fit-content;
  margin: 8px 0;
  color: #fff;
  font-weight: 750;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 48px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  color: #96a5c0;
  font-size: 0.76rem;
}

/* Inner pages */
.page-hero {
  position: relative;
  padding: 92px 0 74px;
  overflow: hidden;
  background: var(--navy);
  color: #fff;
}

.page-hero::after {
  position: absolute;
  top: 0;
  right: 7%;
  width: 15px;
  height: 100%;
  background: var(--yellow);
  content: "";
  transform: skewX(-10deg);
}

.page-hero .eyebrow {
  color: var(--cyan);
}

.page-hero h1 {
  max-width: 920px;
  margin: 0;
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 4.5rem;
  line-height: 0.98;
  letter-spacing: 0;
}

.page-hero p {
  max-width: 760px;
  margin: 24px 0 0;
  color: #c7d1e2;
  font-size: 1.1rem;
}

.record-note {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  background: var(--yellow);
  font-size: 0.92rem;
  font-weight: 800;
}

.agenda-page,
.registration-page {
  padding: 84px 0 110px;
}

.day-summary {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 50px;
}

.day-facts {
  position: sticky;
  top: calc(var(--header-height) + 28px);
  align-self: start;
  margin: 0;
  padding: 0;
  border-top: 4px solid var(--pink);
}

.day-facts div {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.day-facts dt {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.day-facts dd {
  margin: 5px 0 0;
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 1.1rem;
  font-weight: 700;
}

.full-agenda {
  margin: 0;
  padding: 0;
  list-style: none;
}

.full-agenda li {
  display: grid;
  grid-template-columns: 102px minmax(0, 1fr);
  gap: 26px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.full-agenda li:last-child {
  border-bottom: 1px solid var(--line);
}

.full-agenda time {
  color: var(--blue);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.full-agenda h2 {
  margin: 0;
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 1.45rem;
  line-height: 1.18;
}

.full-agenda p {
  margin: 10px 0 0;
  color: var(--muted);
}

.speaker-line {
  display: block;
  margin-top: 10px;
  color: var(--green);
  font-size: 0.82rem;
  font-weight: 850;
}

.registration-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.7fr);
  gap: 84px;
}

.registration-copy h2 {
  margin: 0 0 20px;
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 2.5rem;
  line-height: 1.05;
}

.registration-copy h3 {
  margin: 44px 0 16px;
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 1.45rem;
}

.registration-copy p,
.registration-copy li {
  color: var(--muted);
}

.registration-copy ul {
  padding-left: 20px;
}

.registration-panel {
  align-self: start;
  padding: 30px;
  border-top: 8px solid var(--pink);
  background: var(--navy);
  color: #fff;
}

.registration-panel h2 {
  margin: 0;
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 1.7rem;
  line-height: 1.1;
}

.registration-panel p {
  color: #c7d1e2;
}

.registration-panel .button-link {
  margin-top: 12px;
}

/* Articles */
.article-hero {
  padding: 86px 0 72px;
  border-bottom: 8px solid var(--yellow);
  background: var(--navy);
  color: #fff;
}

.article-hero .eyebrow {
  color: var(--cyan);
}

.article-hero h1 {
  max-width: 970px;
  margin: 0;
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 4.3rem;
  line-height: 0.98;
  letter-spacing: 0;
}

.article-dek {
  max-width: 780px;
  margin: 25px 0 0;
  color: #c7d1e2;
  font-size: 1.15rem;
}

.article-layout {
  display: grid;
  grid-template-columns: 210px minmax(0, var(--reading));
  justify-content: center;
  gap: 64px;
  padding: 70px 24px 100px;
}

.article-aside {
  position: sticky;
  top: calc(var(--header-height) + 28px);
  align-self: start;
  padding-top: 14px;
  border-top: 4px solid var(--pink);
}

.article-aside strong {
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
}

.article-aside a {
  display: block;
  margin-top: 10px;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 750;
  line-height: 1.35;
  text-decoration-color: var(--line);
  text-underline-offset: 3px;
}

.article-body {
  min-width: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.08rem;
  line-height: 1.78;
}

.article-body > p:first-child {
  margin-top: 0;
  color: var(--ink);
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 1.45rem;
  line-height: 1.4;
}

.article-body h2 {
  margin: 56px 0 18px;
  color: var(--ink);
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 2.15rem;
  line-height: 1.08;
}

.article-body h3 {
  margin: 34px 0 12px;
  color: var(--ink);
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 1.42rem;
  line-height: 1.15;
}

.article-body p {
  margin: 0 0 1.25em;
  color: #2f3b4f;
}

.article-body ul,
.article-body ol {
  margin: 24px 0;
  padding-left: 24px;
}

.article-body li {
  margin: 10px 0;
  padding-left: 6px;
}

.article-body blockquote {
  margin: 38px 0;
  padding: 24px 28px;
  border-left: 6px solid var(--pink);
  background: #edf2f0;
  color: var(--ink);
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 1.3rem;
  line-height: 1.4;
}

.article-end {
  padding: 52px 0;
  border-top: 1px solid var(--line);
  background: var(--paper-bright);
}

.article-end .shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.article-end p {
  margin: 0;
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 1.35rem;
  font-weight: 700;
}

.not-found {
  display: grid;
  min-height: calc(100svh - var(--header-height));
  place-items: center;
  padding: 70px 24px;
  background: var(--yellow);
  text-align: center;
}

.not-found h1 {
  margin: 0;
  font-family: "Bodoni MT", "Baskerville", Georgia, serif;
  font-size: 5rem;
  line-height: 0.95;
}

.not-found p {
  max-width: 580px;
  margin: 24px auto;
}

@media (max-width: 1040px) {
  .hero h1 {
    font-size: 4.5rem;
  }

  .library-layout,
  .topic-grid,
  .faq-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .mission-grid {
    gap: 48px;
  }

  .people-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .logo-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-hero h1,
  .article-hero h1 {
    font-size: 3.8rem;
  }
}

@media (max-width: 800px) {
  :root {
    --header-height: 68px;
  }

  .shell,
  .header-inner,
  .hero-inner {
    width: min(calc(100% - 32px), var(--max));
  }

  .section-heading {
    font-size: 2.45rem;
  }

  .menu-toggle {
    display: grid;
  }

  .primary-nav {
    position: fixed;
    z-index: 90;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100svh - var(--header-height));
    overflow-y: auto;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 12px 16px 24px;
    border-bottom: 1px solid var(--line);
    background: var(--paper-bright);
  }

  .primary-nav.is-open {
    display: flex;
  }

  .primary-nav a {
    padding: 16px 8px;
    border-bottom: 1px solid var(--line);
    font-size: 1rem;
  }

  .brand-note {
    display: none;
  }

  .hero {
    height: min(690px, calc(100svh - 82px));
    min-height: 590px;
    background-position: 56% center;
  }

  .hero::before {
    background: rgba(8, 13, 40, 0.76);
  }

  .hero-inner {
    margin-bottom: 38px;
  }

  .hero h1 {
    max-width: 620px;
    font-size: 3.65rem;
  }

  .hero-lede {
    max-width: 600px;
    font-size: 1.03rem;
  }

  .hero-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .article-library,
  .mission-band,
  .topic-band,
  .agenda-preview,
  .people-band,
  .faq-band {
    padding-top: 72px;
    padding-bottom: 76px;
  }

  .mission-grid {
    grid-template-columns: 1fr;
  }

  .mission-mark {
    width: min(100%, 470px);
  }

  .agenda-head {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .agenda-list li:nth-child(n) {
    padding: 22px 22px 25px 0;
    border-right: 1px solid rgba(255, 255, 255, 0.28);
  }

  .agenda-list li:nth-child(even) {
    padding-left: 22px;
    border-right: 0;
  }

  .people-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }

  .day-summary,
  .registration-layout {
    grid-template-columns: 1fr;
  }

  .day-facts {
    position: static;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .day-facts div {
    padding-right: 14px;
  }

  .article-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .article-aside {
    position: static;
    display: none;
  }
}

@media (max-width: 560px) {
  .brand-name {
    max-width: 190px;
    overflow: hidden;
    font-size: 1.06rem;
    text-overflow: ellipsis;
  }

  .hero {
    height: calc(100svh - 82px);
    min-height: 540px;
    max-height: 690px;
  }

  .hero-kicker {
    font-size: 0.72rem;
  }

  .hero h1 {
    font-size: 3.05rem;
  }

  .hero-lede {
    margin-top: 18px;
    font-size: 0.96rem;
    line-height: 1.48;
  }

  .event-stamp {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .event-stamp span + span::before {
    display: none;
  }

  .article-library::before {
    width: 42%;
  }

  .library-intro .section-heading {
    font-size: 2.3rem;
  }

  .tab-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-right: 0;
    overflow: visible;
  }

  .tab-list button {
    min-width: 0;
    padding-inline: 12px;
    white-space: normal;
  }

  .article-links a,
  .article-index > a {
    min-height: 82px;
    grid-template-columns: minmax(0, 1fr) 18px;
    gap: 10px;
  }

  .article-number {
    font-size: 1.12rem;
  }

  .article-title {
    font-size: 1.08rem;
  }

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

  .topic-list li:nth-child(n) {
    min-height: auto;
    padding: 18px 0;
    border-right: 0;
  }

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

  .agenda-list li:nth-child(n) {
    min-height: auto;
    padding: 22px 0;
    border-right: 0;
  }

  .people-grid,
  .logo-row {
    grid-template-columns: 1fr 1fr;
  }

  .person figcaption {
    min-height: 132px;
    padding: 13px;
  }

  .logo-row img {
    height: 62px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom,
  .article-end .shell {
    align-items: flex-start;
    flex-direction: column;
  }

  .page-hero,
  .article-hero {
    padding-top: 66px;
    padding-bottom: 58px;
  }

  .page-hero::after {
    width: 8px;
  }

  .page-hero h1,
  .article-hero h1 {
    font-size: 3rem;
  }

  .agenda-page,
  .registration-page {
    padding-top: 60px;
    padding-bottom: 76px;
  }

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

  .full-agenda li {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .article-layout {
    padding: 48px 18px 72px;
  }

  .article-body {
    font-size: 1.02rem;
  }

  .article-body > p:first-child {
    font-size: 1.28rem;
  }

  .article-body h2 {
    font-size: 1.85rem;
  }
}

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

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