* {
  box-sizing: border-box;
}

html {
  scroll-padding-top: 24px;
}

body {
  margin: 0;
}

body, main, aside, section, header, footer, div, li {
  min-width: 0;
}

.map-shell, .lost-shell {
  width: min(1168px, calc(100% - 80px));
  margin-inline: auto;
}

.map-skip, .lost-skip {
  position: absolute;
  z-index: 20;
  top: 12px;
  left: 16px;
  min-height: 48px;
  padding: 12px 18px;
  transform: translateY(-180%);
}

.map-skip:focus, .lost-skip:focus {
  transform: translateY(0);
}

.map-utility, .lost-utility {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 112px;
}

.map-wordmark, .lost-wordmark {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 5px;
  min-height: 56px;
}

.map-utility-actions {
  display: flex;
  align-items: center;
  gap: 28px;
}

.map-urgent-link, .map-menu summary, .map-menu a,
.map-rail a, .map-action, .map-endnotes a,
.map-footer a, .lost-footer a, .lost-action {
  display: flex;
  align-items: center;
  min-height: 48px;
}

.map-urgent-link {
  padding-inline: 8px;
}

.map-menu {
  position: relative;
}

.map-menu summary {
  justify-content: space-between;
  gap: 20px;
  min-width: 166px;
  padding: 12px 16px;
  cursor: pointer;
  list-style: none;
}

.map-menu summary::-webkit-details-marker {
  display: none;
}

.map-menu nav {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  z-index: 10;
  width: min(340px, calc(100vw - 48px));
  padding: 12px;
}

.map-menu ul, .map-rail ul, .map-endnotes ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.map-menu a {
  padding: 12px;
}

.map-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 80px;
  align-items: center;
  padding-block: 64px 88px;
}

.map-kicker, .map-hero h1, .map-hero p, .map-hero h2 {
  margin: 0;
}

.map-hero h1 {
  margin-block: 24px 28px;
}

.map-hero-lead {
  max-width: 42ch;
}

.map-hero .map-action {
  margin-top: 32px;
}

.map-action, .lost-action {
  justify-content: space-between;
  gap: 28px;
  width: fit-content;
  max-width: 100%;
  padding: 14px 20px;
}

.map-action span:first-child, .lost-action span:first-child {
  min-width: 0;
}

.map-orientation {
  padding: 28px;
}

/* A circular abstract plate, mounted within a square white frame. */
.map-geometry {
  position: relative;
  display: grid;
  place-items: center;
  height: 224px;
  margin: 0 0 28px;
  overflow: hidden;
}

.map-geometry-orbit {
  position: absolute;
  width: 166px;
  height: 166px;
  top: 27px;
  left: calc(50% - 83px);
}

.map-geometry-plane {
  position: absolute;
  width: 100px;
  height: 100px;
  top: 45px;
  left: calc(50% - 20px);
}

.map-geometry-node {
  position: absolute;
  width: 22px;
  height: 22px;
  right: 16px;
  bottom: 16px;
}

.map-orientation h2 {
  margin-block: 8px 16px;
}

.map-orientation ul {
  margin: 20px 0 0;
  padding-left: 21px;
}

.map-orientation li + li {
  margin-top: 14px;
}

.map-guide-layout {
  display: grid;
  grid-template-columns: 204px minmax(0, 1fr);
  gap: 88px;
  align-items: start;
}

.map-rail {
  position: sticky;
  top: 24px;
  margin-top: 48px;
  padding-top: 24px;
}

.map-rail-label {
  margin: 0 0 16px;
}

.map-rail a {
  gap: 12px;
  padding: 12px 8px 12px 0;
}

.map-rail-dot {
  flex: 0 0 7px;
  width: 7px;
  height: 7px;
}

.map-rail-note {
  margin-top: 24px;
  max-width: 22ch;
}

.map-chapter {
  padding-block: 72px 88px;
}

.map-chapter:first-child {
  padding-top: 48px;
}

.map-chapter-tag {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 24px;
}

.map-chapter-tag::before {
  content: "";
  flex: 0 0 12px;
  width: 12px;
  height: 12px;
}

.map-chapter h2 {
  margin: 0 0 28px;
  max-width: 27ch;
}

.map-chapter h3 {
  margin: 0 0 16px;
}

.map-prose {
  max-width: 66ch;
}

.map-prose p {
  margin: 0 0 22px;
}

.map-bullets {
  margin: 24px 0 0;
  padding-left: 22px;
}

.map-bullets li {
  padding-left: 6px;
}

.map-bullets li + li {
  margin-top: 18px;
}

.map-study-row {
  display: grid;
  grid-template-columns: 144px minmax(0, 1fr);
  gap: 28px;
  padding-block: 32px;
}

.map-study-row .map-bullets {
  margin-top: 0;
}

.map-study-kind {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 0;
}

.map-study-symbol {
  flex: 0 0 12px;
  width: 12px;
  height: 12px;
  margin-top: 6px;
}

.map-inset {
  margin-top: 36px;
  padding: 32px;
}

.map-inset .map-bullets {
  margin-top: 20px;
}

.map-inset p:last-child {
  margin-bottom: 0;
}

.map-route-list, .map-cost-list, .map-question-list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.map-route-list li, .map-cost-list li {
  display: grid;
  grid-template-columns: 144px minmax(0, 1fr);
  gap: 28px;
  padding-block: 24px;
}

.map-route-list p, .map-cost-list p {
  margin: 0;
}

.map-question-list li {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding-block: 22px;
}

.map-question-list li::before {
  content: "↗";
  flex: 0 0 20px;
}

.map-endnotes {
  display: grid;
  grid-template-columns: 144px minmax(0, 1fr);
  gap: 28px;
  margin-top: 40px;
  padding-top: 24px;
}

.map-endnotes-label {
  margin: 12px 0 0;
}

.map-endnotes a {
  justify-content: space-between;
  gap: 16px;
  padding-block: 12px;
}

.map-endnotes a span:first-child {
  min-width: 0;
}

.map-endnotes a span:last-child {
  flex: 0 0 auto;
}

.map-footer, .lost-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  padding-block: 40px;
}

.map-footer p, .lost-footer p {
  margin: 0;
  max-width: 64ch;
}

.map-footer a, .lost-footer a {
  flex: 0 0 auto;
  gap: 20px;
  padding: 12px 0 12px 12px;
}

.lost-main {
  min-height: 66vh;
  padding-block: 88px;
  max-width: 760px;
}

.lost-main h1 {
  margin-block: 24px 28px;
}

.lost-main p {
  max-width: 50ch;
}

.lost-action {
  margin-top: 32px;
}

@media (max-width: 1080px) {
  .map-shell, .lost-shell { width: calc(100% - 64px); }
  .map-hero { gap: 40px; }
  .map-guide-layout { grid-template-columns: 180px minmax(0, 1fr); gap: 48px; }
  .map-study-row, .map-endnotes { grid-template-columns: 120px minmax(0, 1fr); gap: 24px; }
}

@media (max-width: 760px) {
  .map-shell, .lost-shell { width: calc(100% - 48px); }
  .map-utility, .lost-utility { min-height: 96px; gap: 12px; }
  .map-utility-actions { gap: 0; }
  .map-urgent-link { display: none; }
  .map-menu summary { min-width: 128px; gap: 12px; padding-inline: 12px; }
  .map-hero { grid-template-columns: minmax(0, 1fr); gap: 48px; padding-block: 44px 56px; }
  .map-hero h1 { margin-block: 20px 24px; }
  .map-orientation { padding: 24px; }
  .map-geometry { height: 216px; margin-bottom: 24px; }
  .map-geometry-orbit { top: 23px; }
  .map-geometry-plane { top: 41px; }
  .map-guide-layout { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .map-rail { position: static; margin-block: 0; padding-block: 24px 32px; }
  .map-rail ul { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 4px 12px; }
  .map-rail a { padding-inline: 0; gap: 10px; }
  .map-rail-note { max-width: 100%; margin-bottom: 0; }
  .map-chapter, .map-chapter:first-child { padding-block: 48px 60px; }
  .map-chapter-tag { margin-bottom: 20px; }
  .map-chapter h2 { margin-bottom: 24px; }
  .map-study-row { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .map-inset { padding: 24px; }
  .map-route-list li, .map-cost-list li { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .map-endnotes { grid-template-columns: minmax(0, 1fr); gap: 10px; margin-top: 32px; }
  .map-endnotes-label { margin-top: 0; }
  .map-footer, .lost-footer { flex-direction: column; align-items: flex-start; gap: 16px; padding-block: 32px; }
  .map-footer a, .lost-footer a { padding-left: 0; }
  .lost-main { min-height: 60vh; padding-block: 64px; }
}

@media print {
  .map-skip, .lost-skip, .map-utility-actions, .map-rail, .map-action, .map-footer a { display: none; }
  .map-shell, .lost-shell { width: 100%; }
  .map-hero { gap: 32px; padding-block: 24px 36px; }
  .map-guide-layout { display: block; }
  .map-chapter, .map-chapter:first-child { padding-block: 32px; }
  .map-geometry { display: none; }
  .map-study-row, .map-route-list li, .map-cost-list li, .map-inset, .map-endnotes { break-inside: avoid; }
  .map-footer, .lost-footer { padding-block: 24px; }
}