@font-face {
  font-family: ResearchSans;
  src: url(body.woff2) format("woff2");
  font-display: swap;
}
@font-face {
  font-family: ResearchSerif;
  src: url(display.woff2) format("woff2");
  font-display: swap;
}
@font-face {
  font-family: ResearchSerif;
  src: url(italic.woff2) format("woff2");
  font-style: italic;
  font-display: swap;
}
:root {
  --ink: #122d31;
  --ink-deep: #102629;
  --paper: #ecede4;
  --muted: #9bacaa;
  --line: #385053;
  --orange: #efa776;
  --lime: #c9d88b;
  --sans: ResearchSans, sans-serif;
  --serif: ResearchSerif, Georgia, serif;
  --mono: ui-monospace, SFMono-Regular, Consolas, monospace;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 25px;
}
body {
  margin: 0;
  background: var(--ink-deep);
  color: var(--paper);
  font-family: var(--sans);
  line-height: 1.6;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1,
h2,
h3 {
  font-weight: 400;
}
p,
h1,
h2,
h3,
a,
span {
  overflow-wrap: anywhere;
}
button,
input {
  font: inherit;
}
button,
a,
input {
  touch-action: manipulation;
}
button {
  cursor: pointer;
}
button:disabled {
  opacity: 0.35;
  cursor: default;
}
a {
  color: inherit;
  text-decoration: none;
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 5px;
}
button {
  color: inherit;
}
button[hidden],
[hidden] {
  display: none !important;
}
.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.skip {
  position: absolute;
  top: -100px;
  left: 15px;
  z-index: 100;
  background: var(--paper);
  color: var(--ink);
  padding: 12px;
}
.skip:focus {
  top: 15px;
}
.masthead {
  max-width: 1440px;
  margin: auto;
  padding: 28px 5.5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
}
.brand {
  font-size: 18px;
  letter-spacing: -0.02em;
  display: flex;
  gap: 13px;
  align-items: center;
}
.brand-mark {
  font-size: 31px;
  color: var(--orange);
  line-height: 1;
}
.masthead nav {
  display: flex;
  gap: 36px;
  font-size: 11px;
  color: var(--muted);
}
.masthead nav a:hover {
  color: var(--orange);
}
main {
  max-width: 1440px;
  margin: auto;
}
.hero {
  padding: 40px 5.5% 34px;
  background: var(--ink);
}
.eyebrow {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--orange);
  line-height: 1.7;
}
.hero-eyebrow {
  display: flex;
  justify-content: space-between;
  gap: 25px;
}
.hero-eyebrow > span {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 6%;
  align-items: center;
  padding-top: 44px;
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(73px, 8.7vw, 126px);
  letter-spacing: -0.025em;
  line-height: 0.95;
  max-width: 700px;
}
.intro {
  font-size: 15px;
  line-height: 1.8;
  color: #b3c3bf;
  max-width: 430px;
  margin-top: 27px;
}
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 45px;
  border-bottom: 1px solid var(--orange);
  padding-bottom: 10px;
  color: var(--orange);
  font-size: 11px;
  letter-spacing: 0.04em;
  margin-top: 28px;
}
.orbital {
  position: relative;
  max-width: 355px;
  aspect-ratio: 1;
  margin: 0 auto 25px;
}
.orbital > span {
  position: absolute;
  border: 1px solid #7e9691;
  inset: 9%;
  border-radius: 50%;
  transform: rotate(35deg) scaleX(0.45);
}
.orbital > span:nth-child(2) {
  transform: rotate(-35deg) scaleX(0.45);
}
.orbital > span:nth-child(3) {
  transform: rotate(90deg) scaleX(0.45);
}
.orbital::before {
  content: "";
  position: absolute;
  inset: 9%;
  border: 1px solid #486860;
  border-radius: 50%;
}
.orbital::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  background: var(--orange);
  border-radius: 50%;
  left: 20%;
  top: 25%;
  box-shadow: 0 0 0 6px #efa77618;
}
.orbital i {
  position: absolute;
  inset: 18%;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: 154px;
  font-weight: 400;
  font-style: italic;
  color: var(--lime);
  line-height: 1;
}
.orbital em {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  text-align: center;
  font-family: var(--mono);
  font-size: 8px;
  font-style: normal;
  letter-spacing: 0.15em;
  color: var(--muted);
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.hero-stats strong {
  display: block;
  font-family: var(--serif);
  font-size: 36px;
  font-weight: 400;
  line-height: 1.1;
}
.hero-stats span {
  display: block;
  font-family: var(--mono);
  font-size: 8px;
  color: var(--muted);
  text-transform: uppercase;
  margin-top: 10px;
  letter-spacing: 0.08em;
}
.abstract {
  margin-top: 45px;
  padding-top: 27px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 2.5fr;
  gap: 6%;
}
.abstract > span {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.abstract > p {
  font-family: var(--serif);
  font-size: 27px;
  line-height: 1.35;
  max-width: 830px;
}
.disclosure {
  font-size: 9px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 17px;
  margin-top: 25px;
  line-height: 1.75;
}
.methods,
.threads,
.archive,
.sources,
.coverage,
.questions,
.next-steps {
  padding: 67px 5.5%;
  border-top: 1px solid var(--line);
}
.section-heading h2,
.section-title h2 {
  font-family: var(--serif);
  font-size: 56px;
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin-top: 20px;
}
.section-heading h2 em,
.section-title h2 em {
  color: var(--muted);
}
.method-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 38px;
  margin-top: 40px;
}
.method-grid article {
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.method-grid article > span {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--orange);
}
.method-grid h3 {
  font-size: 18px;
  margin-top: 16px;
}
.method-grid p {
  font-size: 12px;
  line-height: 1.9;
  color: var(--muted);
  margin-top: 15px;
}
.chronology {
  padding: 60px 5.5% 24px;
  background: var(--paper);
  color: var(--ink);
}
.section-title {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 35px;
}
.chronology .eyebrow {
  color: #925631;
}
.chronology h2 em {
  color: #70877c;
}
.section-title > p {
  font-size: 11px;
  color: #667a72;
  line-height: 1.8;
  padding-bottom: 6px;
}
.timeline-toolbar {
  margin-top: 35px;
  border-top: 1px solid #c6cfc0;
  padding-top: 20px;
}
.topic-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.topic-filters button {
  background: transparent;
  border: 1px solid #b9c5b6;
  border-radius: 3px;
  padding: 8px 13px;
  font-size: 11px;
}
.topic-filters button[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.timeline-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-top: 20px;
}
.timeline-controls > label:first-child {
  display: flex;
  align-items: center;
  gap: 15px;
  font-family: var(--mono);
  font-size: 9px;
  min-width: 0;
}
.timeline-controls input[type="range"] {
  width: 150px;
  accent-color: var(--ink);
  min-width: 0;
}
.timeline-controls output {
  width: 27px;
  white-space: nowrap;
}
.search {
  max-width: 35%;
  min-width: 0;
}
.search input {
  background: transparent;
  border: 0;
  border-bottom: 1px solid #b9c5b6;
  font-size: 11px;
  padding: 10px 0;
  color: var(--ink);
  width: 100%;
  min-width: 0;
}
.timeline-scroll {
  width: 100%;
  overflow: auto;
  overscroll-behavior-x: contain;
  margin-top: 12px;
  scrollbar-color: #8b9c8a #d9dfd2;
  scrollbar-width: thin;
  padding-bottom: 10px;
}
.timeline-canvas {
  position: relative;
  min-width: 100%;
  isolation: isolate;
}
.timeline-loading {
  font-size: 12px;
  padding: 30px;
}
.axis {
  position: absolute;
  border-top: 1px solid #a7b39d;
}
.tick {
  position: absolute;
  top: 6px;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 8px;
  color: #667a72;
  white-space: nowrap;
}
.tick::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 25px;
  height: 12px;
  border-left: 1px solid #a7b39d;
}
.tick-start {
  transform: none;
}
.tick-start::after {
  left: 0;
}
.tick-end {
  transform: translateX(-100%);
}
.tick-end::after {
  left: 100%;
}
.connector {
  position: absolute;
  border-left: 1px solid #b9c5b6;
  z-index: -1;
}
.event-point {
  position: absolute;
  width: 38px;
  height: 38px;
  border: 1px solid #70877c;
  border-radius: 50%;
  background: var(--paper);
  font-family: var(--mono);
  font-size: 10px;
  transition: background 0.2s;
}
.event-point.record {
  border-color: #577768;
}
.event-point.inference {
  border-style: dashed;
  border-color: #b07847;
}
.event-point.proposal {
  border-style: dotted;
  border-color: #5f7775;
}
.event-point[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
  outline: 4px solid #c4cfb7;
}
.event-point:hover {
  background: #d3dcc9;
}
.event-point[aria-pressed="true"]:hover {
  background: var(--ink);
}
.event-point:focus-visible {
  outline: 3px solid #a95927;
  outline-offset: 4px;
}
.timeline-footer {
  display: flex;
  align-items: center;
  gap: 20px;
  border-top: 1px solid #c6cfc0;
  padding-top: 16px;
}
.timeline-footer > span {
  font-family: var(--mono);
  font-size: 9px;
  color: #667a72;
}
.timeline-footer > p {
  font-size: 9px;
  margin-left: auto;
  color: #667a72;
}
.timeline-nav {
  display: flex;
  gap: 8px;
}
.timeline-nav button {
  height: 35px;
  width: 35px;
  background: transparent;
  border: 1px solid #b9c5b6;
  border-radius: 50%;
  font-size: 18px;
}
.empty {
  padding: 25px 0;
}
.empty h3 {
  font-family: var(--serif);
  font-size: 32px;
}
.empty p {
  font-size: 12px;
  margin: 10px 0;
}
.empty button {
  padding: 8px 13px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-size: 11px;
}
.event-detail {
  margin: 0;
  padding: 35px 5.5% 50px;
  background: #dde3d4;
  color: var(--ink);
}
.detail-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid #b6c4ae;
  padding-top: 22px;
}
.detail-top .eyebrow {
  color: #5f7861;
}
.classification {
  font-family: var(--mono);
  font-size: 8px;
  padding: 5px 9px;
  border: 1px solid #819782;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.classification.inference {
  border-style: dashed;
  color: #80451f;
}
.classification.proposal {
  border-style: dotted;
  color: #526b73;
}
.detail-body {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 9%;
  margin-top: 35px;
}
.detail-body time {
  font-family: var(--mono);
  font-size: 11px;
  color: #556a5b;
  display: block;
}
.detail-topic {
  font-size: 9px;
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-top: 10px;
  color: #5f7861;
}
.detail-body h2 {
  font-family: var(--serif);
  font-size: 49px;
  line-height: 1.1;
  margin-top: 16px;
}
.detail-body > div > p {
  font-size: 12px;
  line-height: 1.9;
  color: #4c6053;
  margin-top: 14px;
}
.detail-body > div > p.detail-summary {
  font-family: var(--serif);
  font-size: 26px;
  line-height: 1.35;
  margin-top: 0;
  color: var(--ink);
}
.uncertainty {
  border-left: 2px solid #95a887;
  padding-left: 16px;
  margin-top: 23px;
}
.uncertainty > span,
.detail-source > span {
  font-family: var(--mono);
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #60725c;
}
.uncertainty p {
  font-size: 11px;
  color: #53674e;
  line-height: 1.8;
  margin-top: 8px;
}
.detail-source {
  margin-top: 24px;
}
.detail-source > span {
  display: block;
}
.detail-source a {
  font-size: 11px;
  border-bottom: 1px solid #8fa287;
  display: inline-block;
  padding-bottom: 4px;
  margin-top: 8px;
}
.thread-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 40px;
}
.thread-grid article {
  background: var(--ink-deep);
  padding: 28px;
  display: flex;
  flex-direction: column;
}
.thread-index {
  font-family: var(--mono);
  font-size: 8px;
  color: var(--orange);
  letter-spacing: 0.08em;
}
.thread-grid h3 {
  font-family: var(--serif);
  font-size: 39px;
  line-height: 1.1;
  margin-top: 25px;
}
.thread-grid p {
  font-size: 12px;
  line-height: 1.9;
  color: var(--muted);
  margin-top: 20px;
  flex: 1;
}
.thread-grid a {
  font-size: 11px;
  color: var(--lime);
  margin-top: 26px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 10px;
}
.archive {
  background: #193438;
}
.archive .section-heading,
.sources .section-heading {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px 9%;
  align-items: end;
}
.archive .eyebrow,
.sources .eyebrow {
  grid-column: 1/-1;
}
.archive .section-heading h2,
.sources .section-heading h2 {
  margin-top: 0;
}
.section-heading > p:not(.eyebrow) {
  font-size: 12px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 460px;
}
.record-list {
  margin-top: 35px;
}
.record-list details {
  border-top: 1px solid #43605c;
  padding: 17px 0;
}
.record-list details:last-child {
  border-bottom: 1px solid #43605c;
}
.record-list summary {
  display: grid;
  grid-template-columns: 185px minmax(0, 1fr) 160px 18px;
  gap: 20px;
  align-items: center;
  list-style: none;
  cursor: pointer;
}
.record-list summary::-webkit-details-marker {
  display: none;
}
.record-date {
  font-family: var(--mono);
  font-size: 10px;
  color: #a8beba;
  display: flex;
  gap: 18px;
  align-items: center;
}
.record-date b {
  font-weight: 400;
  font-size: 9px;
  color: #728f88;
}
.record-title {
  font-family: var(--serif);
  font-size: 25px;
  line-height: 1.15;
}
.record-kind {
  font-family: var(--mono);
  font-size: 8px;
  color: var(--lime);
}
.record-kind.inference {
  color: var(--orange);
}
.record-kind.proposal {
  color: #a9c4cc;
}
.record-plus {
  color: var(--muted);
  font-size: 23px;
  text-align: right;
}
.record-list details[open] .record-plus {
  transform: rotate(45deg);
}
.record-detail {
  padding: 22px 40px 7px 205px;
  max-width: 1100px;
}
.record-detail p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.9;
  margin-bottom: 14px;
}
.record-detail strong {
  font-weight: 400;
  color: var(--lime);
}
.record-detail a {
  display: inline-block;
  font-size: 11px;
  color: var(--orange);
  border-bottom: 1px solid var(--orange);
  padding-bottom: 4px;
}
.source-list {
  list-style: none;
  margin: 35px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 35px;
  counter-reset: source;
}
.source-list li {
  border-top: 1px solid var(--line);
  padding: 20px 0 0;
  counter-increment: source;
}
.source-list li > div {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.source-list a {
  font-size: 14px;
}
.source-list a:before {
  content: counter(source, decimal-leading-zero) " / ";
  color: var(--orange);
  font-family: var(--mono);
  font-size: 9px;
  margin-right: 12px;
}
.source-list li > div > span {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--muted);
}
.source-list li > p {
  font-size: 10px;
  color: #849e95;
  line-height: 1.8;
  margin-top: 12px;
}
.coverage {
  background: var(--paper);
  color: var(--ink);
}
.coverage .eyebrow {
  color: #97643f;
}
.coverage h2 em {
  color: #788f7a;
}
.coverage-counts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
  margin-top: 45px;
}
.coverage-counts > div {
  border-top: 2px solid #738d70;
  padding-top: 20px;
}
.coverage-counts > .inference {
  border-top-style: dashed;
  border-color: #b1845d;
}
.coverage-counts > .proposal {
  border-top-style: dotted;
  border-color: #688589;
}
.coverage-counts strong {
  display: block;
  font-family: var(--serif);
  font-size: 70px;
  font-weight: 400;
  line-height: 1;
}
.coverage-counts span {
  display: block;
  font-family: var(--mono);
  font-size: 9px;
  margin-top: 13px;
  color: #617157;
}
.coverage-notes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
  margin-top: 35px;
  padding-top: 30px;
  border-top: 1px solid #c6cfc0;
}
.coverage-notes h3 {
  font-size: 16px;
}
.coverage-notes p {
  font-size: 12px;
  line-height: 1.9;
  color: #61715a;
  margin-top: 16px;
}
.question-list {
  margin-top: 40px;
}
.question-list article {
  display: grid;
  grid-template-columns: 1fr 4fr;
  gap: 8%;
  padding: 26px 0;
  border-top: 1px solid var(--line);
}
.question-list article > span {
  font-family: var(--serif);
  font-size: 48px;
  color: var(--orange);
  line-height: 1;
}
.question-list h3 {
  font-family: var(--serif);
  font-size: 35px;
  line-height: 1.2;
}
.question-list article > div > p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.9;
  margin-top: 15px;
}
.next-evidence {
  margin-top: 20px;
  display: grid;
  grid-template-columns: 135px 1fr;
  gap: 20px;
}
.next-evidence > span {
  font-family: var(--mono);
  font-size: 8px;
  line-height: 1.9;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--lime);
}
.next-evidence > p {
  font-size: 11px;
  line-height: 1.8;
  color: var(--muted);
}
.next-steps > ol {
  list-style: none;
  padding: 0;
  margin: 37px 0 0;
  counter-reset: step;
}
.next-steps > ol > li {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 8%;
  border-top: 1px solid var(--line);
  padding: 25px 0;
  counter-increment: step;
}
.next-steps li h3 {
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.2;
}
.next-steps li h3:before {
  content: counter(step, decimal-leading-zero) " / ";
  font-family: var(--mono);
  font-size: 11px;
  color: var(--orange);
  vertical-align: middle;
}
.next-steps li > div > span {
  display: block;
  font-family: var(--mono);
  font-size: 8px;
  color: var(--muted);
  margin-top: 13px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.next-steps li > p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.9;
}
.conclusion {
  padding: 33px;
  background: #1c3b38;
  border-left: 2px solid var(--lime);
  margin-top: 25px;
}
.conclusion h3 {
  font-family: var(--serif);
  font-size: 41px;
  line-height: 1.1;
  color: var(--lime);
}
.conclusion p {
  font-size: 13px;
  line-height: 1.9;
  color: #b3c5b8;
  margin-top: 20px;
  max-width: 890px;
}
.footer {
  max-width: 1440px;
  margin: auto;
  padding: 30px 5.5%;
  display: flex;
  gap: 30px;
  align-items: start;
  border-top: 1px solid var(--line);
}
.footer > span {
  font-size: 16px;
}
.footer > p {
  font-size: 9px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 620px;
}
.footer > a {
  margin-left: auto;
  font-size: 10px;
  white-space: nowrap;
}
@media (max-width: 900px) {
  .hero h1 {
    font-size: clamp(64px, 9vw, 90px);
  }
  .hero-grid {
    gap: 4%;
  }
  .orbital i {
    font-size: 120px;
  }
  .hero-stats {
    gap: 12px;
  }
  .hero-stats strong {
    font-size: 30px;
  }
  .hero-stats span {
    font-size: 7px;
  }
  .abstract {
    grid-template-columns: 1fr 2fr;
  }
  .abstract > p {
    font-size: 24px;
  }
  .method-grid {
    gap: 25px;
  }
  .section-heading h2,
  .section-title h2 {
    font-size: 47px;
  }
  .detail-body {
    gap: 6%;
  }
  .detail-body h2 {
    font-size: 40px;
  }
  .thread-grid article {
    padding: 21px;
  }
  .thread-grid h3 {
    font-size: 32px;
  }
  .record-list summary {
    grid-template-columns: 140px minmax(0, 1fr) 105px 16px;
    gap: 14px;
  }
  .record-date {
    display: block;
    font-size: 9px;
  }
  .record-date b {
    display: block;
    margin-bottom: 5px;
  }
  .record-title {
    font-size: 23px;
  }
  .record-kind {
    font-size: 7px;
  }
  .record-detail {
    padding-left: 154px;
  }
  .coverage-counts strong {
    font-size: 60px;
  }
  .footer {
    flex-wrap: wrap;
  }
  .footer p {
    max-width: 60%;
  }
  .footer > a {
    margin-left: 0;
  }
  .tick {
    font-size: 7px;
  }
}
@media (max-width: 620px) {
  .masthead {
    padding: 23px 6%;
    gap: 12px;
  }
  .brand {
    font-size: 15px;
    gap: 8px;
  }
  .brand-mark {
    font-size: 27px;
  }
  .masthead nav {
    font-size: 9px;
  }
  .masthead nav a:last-child {
    display: none;
  }
  .hero {
    padding: 30px 6%;
  }
  .hero-eyebrow {
    display: block;
  }
  .hero-eyebrow > span {
    display: block;
    font-size: 7px;
    margin-top: 10px;
  }
  .eyebrow {
    font-size: 8px;
    letter-spacing: 0.11em;
  }
  .hero-grid {
    display: block;
    padding-top: 27px;
  }
  .hero h1 {
    font-size: clamp(67px, 18.5vw, 108px);
  }
  .intro {
    font-size: 12px;
    line-height: 1.9;
    margin-top: 23px;
  }
  .hero-cta {
    font-size: 10px;
    margin-top: 22px;
  }
  .hero-summary {
    margin-top: 25px;
  }
  .orbital {
    width: 220px;
    margin-bottom: 20px;
  }
  .orbital i {
    font-size: 114px;
  }
  .orbital em {
    font-size: 6px;
  }
  .hero-stats {
    gap: 20px;
    padding-top: 20px;
  }
  .hero-stats strong {
    font-size: 39px;
  }
  .hero-stats span {
    font-size: 7px;
  }
  .abstract {
    display: block;
    margin-top: 30px;
    padding-top: 20px;
  }
  .abstract > span {
    font-size: 8px;
  }
  .abstract > p {
    font-size: 25px;
    margin-top: 18px;
  }
  .disclosure {
    font-size: 8px;
  }
  .methods,
  .threads,
  .archive,
  .sources,
  .coverage,
  .questions,
  .next-steps {
    padding: 40px 6%;
  }
  .section-heading h2,
  .section-title h2 {
    font-size: 42px;
    margin-top: 15px;
  }
  .method-grid {
    display: block;
    margin-top: 26px;
  }
  .method-grid article {
    margin-top: 25px;
    padding-top: 15px;
  }
  .method-grid h3 {
    font-size: 18px;
    margin-top: 10px;
  }
  .method-grid p {
    font-size: 11px;
    margin-top: 10px;
  }
  .chronology {
    padding: 39px 6% 20px;
  }
  .section-title {
    display: block;
  }
  .section-title > p {
    font-size: 10px;
    margin-top: 20px;
  }
  .timeline-toolbar {
    margin-top: 25px;
    padding-top: 17px;
  }
  .topic-filters {
    gap: 6px;
  }
  .topic-filters button {
    font-size: 10px;
    padding: 8px 10px;
    min-height: 39px;
  }
  .timeline-controls {
    display: block;
    margin-top: 14px;
  }
  .timeline-controls > label:first-child {
    font-size: 9px;
    gap: 15px;
  }
  .timeline-controls input[type="range"] {
    width: 100%;
    flex: 1;
    min-width: 0;
    height: 30px;
  }
  .search {
    display: block;
    max-width: none;
    margin-top: 12px;
  }
  .search input {
    font-size: 11px;
  }
  .tick:not(.tick-start):not(.tick-end) {
    font-size: 0;
  }
  .tick:not(.tick-start):not(.tick-end)::after {
    font-size: 8px;
  }
  .tick {
    font-size: 7px;
  }
  .timeline-footer {
    flex-wrap: wrap;
    gap: 12px;
  }
  .timeline-footer > p {
    order: 3;
    flex-basis: 100%;
    margin: 0;
    font-size: 8px;
  }
  .timeline-nav {
    margin-left: auto;
  }
  .timeline-nav button {
    height: 40px;
    width: 40px;
  }
  .event-detail {
    padding: 27px 6% 33px;
  }
  .detail-top {
    display: block;
    padding-top: 17px;
  }
  .classification {
    display: inline-block;
    margin-top: 10px;
    font-size: 7px;
  }
  .detail-body {
    display: block;
    margin-top: 25px;
  }
  .detail-body h2 {
    font-size: 39px;
    margin-top: 15px;
  }
  .detail-body > div:last-child {
    margin-top: 23px;
  }
  .detail-body > div > p.detail-summary {
    font-size: 26px;
  }
  .detail-body > div > p {
    font-size: 11px;
  }
  .uncertainty > span,
  .detail-source > span {
    font-size: 7px;
  }
  .uncertainty p {
    font-size: 10px;
  }
  .thread-grid {
    display: block;
    margin-top: 29px;
    border-bottom: 0;
  }
  .thread-grid article {
    border-bottom: 1px solid var(--line);
    padding: 24px;
  }
  .thread-grid h3 {
    font-size: 36px;
    margin-top: 16px;
  }
  .thread-grid p {
    font-size: 11px;
    margin-top: 15px;
  }
  .archive .section-heading,
  .sources .section-heading {
    display: block;
  }
  .archive .section-heading h2,
  .sources .section-heading h2 {
    margin-top: 15px;
  }
  .section-heading > p:not(.eyebrow) {
    font-size: 11px;
    margin-top: 18px;
  }
  .record-list {
    margin-top: 26px;
  }
  .record-list summary {
    grid-template-columns: minmax(0, 1fr) 16px;
    gap: 8px 15px;
  }
  .record-date {
    display: flex;
    gap: 15px;
    grid-column: 1;
    font-size: 8px;
  }
  .record-date b {
    display: inline;
    margin: 0;
    font-size: 8px;
  }
  .record-title {
    grid-column: 1;
    font-size: 26px;
  }
  .record-kind {
    grid-column: 1;
    font-size: 7px;
  }
  .record-plus {
    grid-column: 2;
    grid-row: 1/4;
  }
  .record-detail {
    padding: 20px 0 5px;
  }
  .record-detail p {
    font-size: 11px;
  }
  .source-list {
    display: block;
    margin-top: 28px;
  }
  .source-list li {
    padding-top: 20px;
    margin-top: 20px;
  }
  .source-list a {
    font-size: 13px;
  }
  .source-list li > p {
    font-size: 9px;
  }
  .coverage-counts {
    gap: 13px;
    margin-top: 29px;
  }
  .coverage-counts strong {
    font-size: 52px;
  }
  .coverage-counts span {
    font-size: 7px;
    line-height: 1.8;
  }
  .coverage-notes {
    display: block;
    margin-top: 26px;
    padding-top: 20px;
  }
  .coverage-notes article + article {
    margin-top: 24px;
  }
  .coverage-notes h3 {
    font-size: 16px;
  }
  .coverage-notes p {
    font-size: 11px;
    margin-top: 10px;
  }
  .question-list {
    margin-top: 30px;
  }
  .question-list article {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 18px;
    padding: 24px 0;
  }
  .question-list article > span {
    font-size: 31px;
  }
  .question-list h3 {
    font-size: 28px;
  }
  .question-list article > div > p {
    font-size: 11px;
  }
  .next-evidence {
    display: block;
    margin-top: 18px;
  }
  .next-evidence > span {
    font-size: 7px;
  }
  .next-evidence > p {
    font-size: 10px;
    margin-top: 9px;
  }
  .next-steps > ol {
    margin-top: 28px;
  }
  .next-steps > ol > li {
    display: block;
    padding: 21px 0;
  }
  .next-steps li h3 {
    font-size: 28px;
  }
  .next-steps li > p {
    font-size: 11px;
    margin-top: 15px;
  }
  .conclusion {
    padding: 22px;
    margin-top: 20px;
  }
  .conclusion h3 {
    font-size: 33px;
  }
  .conclusion p {
    font-size: 11px;
    margin-top: 17px;
  }
  .footer {
    padding: 24px 6%;
    display: block;
  }
  .footer > span {
    font-size: 16px;
  }
  .footer > p {
    max-width: none;
    font-size: 8px;
    margin-top: 16px;
  }
  .footer > a {
    display: inline-block;
    font-size: 9px;
    margin-top: 19px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
  }
}