@font-face {
  font-family: "Earth Sans";
  src: url("assets/heading.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}
:root {
  --bg: #101110;
  --ink: #ece7d9;
  --muted: #afa99b;
  --line: #3b3b33;
  --copper: #dc9368;
  --sans: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
  --display: "Earth Sans", "PingFang SC", sans-serif;
  --gutter: clamp(24px, 6.3vw, 110px);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 98px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.95 var(--sans);
  -webkit-font-smoothing: antialiased;
}
::selection {
  background: #a95c39;
  color: #fff4e7;
}
p,
h1,
h2,
h3,
h4,
figure {
  margin: 0;
}
h1,
h2,
h3,
h4 {
  font-weight: 400;
}
h1,
h2,
h3 {
  letter-spacing: -0.035em;
}
h1,
h2 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.4;
}
h2 {
  font-size: clamp(36px, 3.8vw, 58px);
}
a {
  color: inherit;
  text-decoration: none;
}
a,
button,
summary {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
a:hover,
button:hover {
  color: var(--copper);
}
button {
  font: inherit;
  cursor: pointer;
  border: 0;
  background: none;
  color: inherit;
}
input {
  font: inherit;
  accent-color: var(--copper);
  cursor: pointer;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 6px;
}
p {
  overflow-wrap: break-word;
}
img {
  display: block;
  width: 100%;
  height: auto;
}
.svg-library {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 30;
  background: var(--ink);
  color: var(--bg);
  padding: 10px 20px;
  transform: translateY(-200%);
}
.skip-link:focus {
  transform: none;
}
.site-header {
  height: 112px;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 5;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  font-family: var(--display);
  font-size: 20px;
  letter-spacing: 0.1em;
  line-height: 1.5;
}
.brand svg {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
}
.brand small {
  display: block;
  font: 8px/2 var(--sans);
  letter-spacing: 0.19em;
  margin-top: 5px;
}
.edition {
  font-size: 10px;
  letter-spacing: 0.12em;
  color: #b7b7a9;
}
.edition b {
  font-size: 10px;
  margin-left: 15px;
  font-weight: 400;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 11px;
}
.motion-toggle {
  padding: 0 0 0 25px;
  border-left: 1px solid #44483e;
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  min-height: 36px;
}
.motion-toggle > span:first-child {
  font-size: 22px;
}
.eyebrow {
  font-size: 10px;
  letter-spacing: 0.17em;
  line-height: 1.8;
}
.eyebrow > span:not(.status-dot) {
  color: var(--copper);
  margin-right: 24px;
}
.muted {
  color: var(--muted);
}
.overline {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 23px;
}
.status-dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  background: var(--copper);
  border-radius: 50%;
  vertical-align: middle;
  margin-right: 12px;
}
.hero {
  background: var(--bg);
  height: 100svh;
  min-height: 840px;
  max-height: 1120px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.hero-art {
  position: absolute;
  width: 83%;
  right: -5%;
  top: 8%;
  z-index: -1;
  mix-blend-mode: lighten;
  transform: translateY(var(--parallax, 0px));
  mask-image: linear-gradient(to right, transparent, #000 12%);
}
.hero-copy {
  padding: clamp(180px, 22vh, 255px) 0 145px var(--gutter);
  width: 47%;
  position: relative;
}
.hero h1 {
  font-size: clamp(90px, 7.9vw, 124px);
  line-height: 1.24;
  letter-spacing: -0.08em;
  margin: 27px 0 26px;
}
.title-dot {
  color: var(--copper);
}
.hero-subtitle {
  font-size: 15px;
  line-height: 2;
  color: #c1bfb2;
  letter-spacing: 0.04em;
}
.primary-link {
  display: inline-flex;
  align-items: center;
  gap: 65px;
  background: #db8d62;
  color: #21160f;
  padding: 12px 24px;
  font-size: 13px;
  margin-top: 32px;
  border-radius: 2px;
  font-weight: 500;
  min-height: 50px;
}
.primary-link:hover {
  background: #ebb68f;
  color: #21160f;
}
.primary-link span {
  font-size: 22px;
}
.hero-caption {
  position: absolute;
  right: 7%;
  bottom: 17%;
  display: flex;
  gap: 15px;
  align-items: flex-start;
  font-size: 10px;
  line-height: 1.8;
  color: #c6bda9;
}
.hero-caption small {
  font-size: 9px;
  display: block;
  color: #9f9f93;
  margin-top: 4px;
}
.fine-line {
  height: 1px;
  width: 48px;
  background: #8d806c;
  margin-top: 10px;
}
.hero-bottom {
  position: absolute;
  bottom: 33px;
  left: var(--gutter);
  right: var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}
.hero-bottom > p {
  display: flex;
  align-items: center;
  gap: 22px;
}
.hero-bottom strong {
  font:
    58px/0.9 Georgia,
    serif;
  letter-spacing: -0.045em;
  color: #e6dbca;
}
.hero-bottom > p > span {
  font-size: 9px;
  line-height: 1.8;
  color: #aaa99b;
}
.hero-note {
  font-size: 9px;
  color: #aaa99b;
  letter-spacing: 0.1em;
}
.scroll-cue {
  display: flex;
  gap: 13px;
  align-items: center;
  font-size: 10px;
  color: #b3b3a6;
}
.scroll-cue i {
  height: 34px;
  width: 1px;
  background: #898e7d;
  display: block;
}
.citation {
  font: 10px var(--sans);
  vertical-align: super;
  padding: 3px;
  color: inherit;
}
.depth-nav {
  position: sticky;
  top: 0;
  z-index: 15;
  display: flex;
  align-items: center;
  gap: 9%;
  height: 78px;
  border-top: 1px solid #373830;
  border-bottom: 1px solid #373830;
  background: #131411f7;
  padding: 0 var(--gutter);
  color: #e4dfd0;
}
.depth-readout {
  display: flex;
  align-items: center;
  gap: 20px;
  min-width: 265px;
}
.depth-readout small {
  font-size: 9px;
  color: #c0bdaf;
  line-height: 1.6;
  max-width: 52px;
}
.depth-readout small span {
  display: block;
}
.depth-readout > span {
  white-space: nowrap;
}
.depth-readout b {
  font:
    34px/1 Georgia,
    serif;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.025em;
  display: inline-block;
  min-width: 90px;
  text-align: right;
}
.depth-readout i {
  font: 11px var(--sans);
  color: #b9b2a3;
  margin-left: 3px;
}
.depth-nav nav {
  display: flex;
  align-items: center;
  gap: clamp(22px, 4.5vw, 75px);
  height: 100%;
}
.depth-nav nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  position: relative;
  height: 100%;
  white-space: nowrap;
}
.depth-nav nav a span {
  font-size: 9px;
  color: #a39e8f;
}
.depth-nav nav a[aria-current="location"] {
  color: #efb690;
}
.depth-nav nav a[aria-current="location"]:after {
  content: "";
  position: absolute;
  height: 2px;
  bottom: 0;
  left: 0;
  right: 0;
  background: #dc9368;
}
.map-link {
  font-size: 10px;
  white-space: nowrap;
  margin-left: auto;
}
.map-link span {
  margin-left: 8px;
}
.depth-progress {
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: #3f3e35;
}
.depth-progress i {
  display: block;
  height: 100%;
  width: 100%;
  background: #aa7454;
  transform-origin: left;
  transform: scaleX(var(--progress, 0));
}
.scene:not(.hero) {
  padding: 80px var(--gutter) 70px;
}
.section-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding-bottom: 23px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 65px;
}
.depth-range {
  font:
    20px Georgia,
    serif;
  letter-spacing: 0.02em;
}
.depth-range > span {
  font: 10px var(--sans);
  color: var(--muted);
  margin-left: 10px;
  letter-spacing: 0;
}
.intro {
  font-size: 16px;
  line-height: 2.1;
  color: #c6c0b2;
  margin-top: 25px;
}
.body-copy {
  font-size: 14px;
  line-height: 2.1;
  color: var(--muted);
}
.text-link {
  display: inline-flex;
  gap: 24px;
  align-items: center;
  border-bottom: 1px solid #958069;
  padding: 4px 0;
  font-size: 11px;
  margin-top: 20px;
}
.figure-note {
  font-size: 10px;
  color: var(--muted);
  line-height: 1.9;
}
.reset-button {
  font-size: 11px;
  min-height: 40px;
  color: #d9b594;
}
.crust {
  background: #111310;
  overflow: hidden;
  --line: #3c4036;
}
.crust-opening {
  position: relative;
  min-height: 660px;
  display: flex;
  align-items: center;
}
.crust-copy {
  position: relative;
  z-index: 1;
  width: 48%;
  padding-bottom: 20px;
}
.crust-copy h2 {
  font-size: clamp(34px, 3.5vw, 52px);
}
.crust-copy .body-copy {
  max-width: 325px;
  margin-top: 30px;
}
.strata-art {
  position: absolute;
  right: calc(var(--gutter) * -1);
  width: 75%;
  top: 0;
  bottom: 0;
  transform: translateY(var(--parallax, 0px));
  mask-image: linear-gradient(to right, transparent, #000 24%);
  mix-blend-mode: lighten;
}
.strata-art img {
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.strata-art figcaption {
  position: absolute;
  bottom: 8px;
  right: var(--gutter);
  font-size: 9px;
  color: #bfbaa9;
}
.depth-note {
  padding: 30px 0 40px;
  color: #b4b3a2;
  font-size: 11px;
  border-bottom: 1px solid #3b4033;
}
.depth-note > span {
  color: var(--copper);
  font-size: 18px;
  margin-right: 12px;
}
.rock-exhibit {
  display: grid;
  grid-template-columns: 0.95fr 1.35fr;
  align-items: center;
  gap: 9%;
  padding-top: 80px;
}
.rock-copy h3 {
  font-size: 30px;
  line-height: 1.65;
  margin-top: 23px;
}
.rock-tabs {
  display: flex;
  gap: 24px;
  margin: 28px 0 22px;
}
.rock-tabs button {
  padding: 5px 0 9px;
  border-bottom: 1px solid #777d66;
  min-height: 40px;
  font-size: 12px;
  color: #b0b5a0;
}
.rock-tabs button[aria-pressed="true"] {
  border-color: #e5ba8b;
  color: #edc49b;
}
.rock-story {
  min-height: 205px;
}
.latin {
  font: 9px var(--sans);
  letter-spacing: 0.2em;
  color: #c39971;
}
.rock-story h4 {
  font-size: 16px;
  margin: 12px 0;
}
.rock-story > p:last-child {
  font-size: 13px;
  line-height: 2;
  color: #b4b5a6;
  max-width: 350px;
}
.rock-figure {
  align-self: center;
  min-width: 0;
}
.rock-frame {
  overflow: hidden;
  width: 100%;
  aspect-ratio: 3/2;
  mix-blend-mode: lighten;
}
.rock-frame img {
  height: 100%;
  object-fit: contain;
  transform: scale(var(--zoom, 1));
  transition: transform 0.2s;
}
.rock-figure figcaption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid #515543;
  font-size: 11px;
}
.rock-figure figcaption span:last-child {
  font-size: 9px;
  color: #afb29e;
}
.inspect-details {
  margin-top: 28px;
  max-width: 350px;
  border-top: 1px solid #515543;
  border-bottom: 1px solid #515543;
}
.inspect-details summary,
.pressure-detail summary {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  padding: 13px 0;
  list-style: none;
}
.inspect-details summary::-webkit-details-marker,
.pressure-detail summary::-webkit-details-marker,
.source-details summary::-webkit-details-marker {
  display: none;
}
.inspect-details summary > span,
.pressure-detail summary > span {
  font:
    23px Georgia,
    serif;
  display: inline-block;
}
.inspect-details[open] summary > span,
.pressure-detail[open] summary > span {
  transform: rotate(45deg);
}
.zoom-control {
  padding: 5px 0 20px;
}
.zoom-control label {
  font-size: 11px;
  display: flex;
  justify-content: space-between;
}
.zoom-control input {
  width: 100%;
  height: 26px;
  margin: 14px 0;
}
.zoom-control p {
  font-size: 11px;
  color: #c7c8b9;
}
.zoom-control small {
  display: block;
  font-size: 9px;
  color: #aab29d;
  margin-top: 6px;
}
.mantle {
  background: #191610;
  --line: #4a3f2e;
  --muted: #c1b5a0;
  overflow: hidden;
}
.mantle-heading {
  text-align: center;
  padding: 10px 0 30px;
}
.mantle-heading h2 {
  font-size: clamp(40px, 4.3vw, 68px);
}
.mantle-heading h2 > span {
  color: #c19d6c;
}
.mantle-heading .intro {
  font-size: 14px;
  margin-top: 27px;
  color: #c0b19a;
}
.mantle-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 10%;
  align-items: center;
  margin-top: 45px;
}
.mantle-specimen {
  min-width: 0;
}
.mantle-specimen img {
  mix-blend-mode: lighten;
}
.mantle-specimen figcaption {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 18px 0;
  font-size: 10px;
  color: #c2b394;
}
.mantle-specimen strong {
  font-size: 16px;
  font-weight: 400;
  color: #e0d2b5;
}
.mantle-specimen i {
  font: 9px var(--sans);
  letter-spacing: 0.12em;
  margin-left: 15px;
}
.mantle-story > .body-copy + .body-copy {
  margin-top: 23px;
}
.time-controls {
  display: flex;
  gap: 10px;
  margin: 30px 0 15px;
}
.time-controls button {
  border: 1px solid #766449;
  padding: 7px 14px;
  min-height: 42px;
  font-size: 11px;
  color: #cbb38d;
  border-radius: 2px;
}
.time-controls button[aria-pressed="true"] {
  background: #b39667;
  color: #211b12;
  border-color: #b39667;
}
.mantle-flow svg {
  width: 100%;
  display: block;
  height: auto;
}
.mantle-flow > p {
  font-size: 12px;
  color: #dbc29d;
  margin-top: 15px;
}
.mantle-flow > small {
  display: block;
  font-size: 9px;
  color: #baa98c;
  line-height: 1.9;
  margin-top: 10px;
}
.flow-arrows {
  opacity: 0;
  transition: opacity 0.5s;
}
.mantle-flow[data-time="geologic"] .flow-arrows {
  opacity: 1;
}
.mantle-flow[data-time="geologic"] .flow-grain {
  opacity: 0.35;
}
.mantle-flow[data-time="geologic"] .flow-arrows path {
  stroke-dasharray: 8 5;
  animation: flow 14s linear infinite;
  animation-play-state: paused;
}
.in-view .mantle-flow[data-time="geologic"] .flow-arrows path {
  animation-play-state: running;
}
@keyframes flow {
  to {
    stroke-dashoffset: -104;
  }
}
.outer-core {
  background: #231913;
  --line: #62432f;
  --muted: #c4b49e;
  overflow: hidden;
}
.outer-heading {
  display: flex;
  justify-content: space-between;
  gap: 12%;
  align-items: flex-end;
}
.outer-heading > div {
  flex: 1.5;
}
.outer-heading > .body-copy {
  flex: 1;
  max-width: 330px;
  padding-bottom: 8px;
}
.outer-heading h2 {
  font-size: clamp(34px, 3.5vw, 54px);
}
.wave-exhibit {
  margin-top: 65px;
  border-top: 1px solid #6e4d37;
  padding-top: 27px;
}
.wave-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.wave-topline > .eyebrow {
  font-size: 9px;
  color: #c3a487;
}
.wave-controls {
  display: flex;
  gap: 12px;
}
.wave-controls button {
  border: 1px solid #8e6245;
  padding: 5px 18px;
  min-height: 45px;
  color: #d4ae88;
  font-size: 11px;
  border-radius: 2px;
}
.wave-controls b {
  font:
    21px Georgia,
    serif;
  margin-right: 8px;
}
.wave-controls button[aria-pressed="true"] {
  background: #d39a6f;
  color: #2b1c12;
  border-color: #d39a6f;
}
.wave-stage {
  position: relative;
  margin-top: 35px;
  padding: 30px 0 24px;
}
.material-labels {
  display: flex;
  font-size: 12px;
  text-align: center;
  color: #e3c6a3;
}
.material-labels span {
  width: 50%;
}
.wave-stage svg {
  width: 100%;
  height: auto;
  display: block;
  margin-top: 10px;
  overflow: visible;
}
.wave-stage svg text {
  font: 12px var(--sans);
  fill: #c7a084;
  letter-spacing: 0.12em;
}
.wave-stage[data-wave="s"] #wave-front {
  stroke: #dfa578;
}
.wave-stage[data-wave="s"] #wave-point {
  fill: #dfa578;
}
.boundary-label {
  display: block;
  text-align: center;
  font-size: 9px;
  color: #d7b493;
  margin-top: 15px;
}
.wave-slider {
  display: grid;
  grid-template-columns: 210px 1fr 80px;
  align-items: center;
  gap: 30px;
  border-top: 1px solid #5e402e;
  border-bottom: 1px solid #5e402e;
  padding: 19px 0;
}
.wave-slider label {
  font-size: 12px;
}
.wave-slider label > span {
  display: block;
  font-size: 9px;
  color: #c4a486;
  margin-top: 3px;
}
.wave-slider input {
  width: 100%;
  height: 28px;
  margin: 0;
}
.wave-story {
  display: flex;
  align-items: flex-start;
  gap: 28px;
  padding: 35px 0 26px;
  min-height: 178px;
}
.wave-type {
  font:
    52px/1 Georgia,
    serif;
  color: #e1b082;
  min-width: 45px;
}
.wave-story > div {
  flex: 1;
  max-width: 650px;
}
.wave-story h3 {
  font-size: 22px;
  line-height: 1.6;
  margin-bottom: 10px;
}
.wave-story > div > p {
  font-size: 12px;
  line-height: 2;
  color: #c6af95;
}
.wave-status {
  font-size: 10px;
  color: #ecc297;
  margin-left: auto;
  max-width: 200px;
  text-align: right;
  padding-top: 7px;
}
.wave-exhibit > .figure-note {
  font-size: 10px;
  line-height: 2;
  color: #bcac96;
  max-width: 950px;
}
.evidence-line {
  font-size: 11px;
  line-height: 2.1;
  color: #bfb39e;
  margin-top: 38px;
  padding-top: 30px;
  border-top: 1px solid #5d4330;
}
.evidence-line > span {
  font-size: 12px;
  color: #e8cfab;
  margin-right: 24px;
}
.inner-core {
  background: #17110e;
  --line: #563b29;
  --muted: #c6b8a2;
  overflow: hidden;
}
.inner-heading {
  text-align: center;
  padding: 13px 0 0;
}
.inner-heading h2 {
  font-size: clamp(42px, 4.5vw, 70px);
}
.inner-heading h2 > span {
  color: #deb183;
}
.inner-heading .intro {
  font-size: 14px;
  color: #c8b497;
  margin-top: 28px;
}
.core-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.4fr;
  gap: 8%;
  align-items: center;
  margin-top: 35px;
}
.core-copy > .body-copy {
  max-width: 345px;
}
.pressure-detail {
  border-top: 1px solid #654b32;
  border-bottom: 1px solid #654b32;
  margin-top: 25px;
}
.pressure-detail summary {
  font-size: 12px;
  gap: 18px;
  min-height: 50px;
}
.pressure-detail > p {
  font-size: 12px;
  color: #c0ae93;
  line-height: 2.1;
  padding-bottom: 20px;
}
.core-figure {
  min-width: 0;
  margin-right: -35px;
}
.core-figure figcaption {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  color: #c4a887;
  padding: 18px 0;
  border-bottom: 1px solid #5d432e;
}
.light-control {
  margin-top: 35px;
}
.light-control .eyebrow {
  color: #d3ae83;
  font-size: 9px;
}
.light-control > p:nth-child(2) {
  font-size: 11px;
  color: #b8a38a;
  line-height: 2;
  margin-top: 10px;
  max-width: 270px;
}
.light-control button {
  font-size: 12px;
  border: 1px solid #bb8a5e;
  min-height: 45px;
  margin-top: 20px;
  padding: 7px 16px;
  display: inline-flex;
  align-items: center;
  gap: 38px;
  border-radius: 2px;
  color: #edcca4;
}
.light-control button[aria-pressed="true"] {
  background: #cfa16c;
  color: #261a0f;
}
.model-note {
  font-size: 9px;
  line-height: 2;
  color: #b4a18a;
  max-width: 310px;
  margin-top: 18px;
}
#core-light {
  position: relative;
  overflow: hidden;
  touch-action: pan-y;
  aspect-ratio: 3/2;
  cursor: crosshair;
}
#core-light img {
  height: 100%;
  object-fit: contain;
  mix-blend-mode: lighten;
}
.light-veil {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at var(--beam-x, 48%) var(--beam-y, 46%),
    transparent 0%,
    transparent 12%,
    #17110e4d 28%,
    #17110edb 62%
  );
  pointer-events: none;
}
.light-cursor {
  position: absolute;
  width: 30px;
  height: 30px;
  border: 1px solid #e1ba788c;
  border-radius: 50%;
  left: var(--beam-x, 48%);
  top: var(--beam-y, 46%);
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.light-cursor:before,
.light-cursor:after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: #e1ba78a8;
  transform: translate(-50%, -50%);
}
.light-cursor:before {
  height: 1px;
  width: 6px;
}
.light-cursor:after {
  height: 6px;
  width: 1px;
}
#core-light.lit .light-veil,
#core-light.lit .light-cursor {
  display: none;
}
.discovery-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 45px;
  margin-top: 70px;
  padding: 35px 0 10px;
  border-top: 1px solid #583e2a;
}
.discovery-year {
  font:
    42px Georgia,
    serif;
  color: #b89970;
}
.discovery-note > p {
  font-size: 13px;
  color: #d7b994;
  line-height: 2.1;
}
.discovery-note > p > span {
  font-size: 11px;
  color: #bdac94;
}
.center {
  background: #e7dfce;
  color: #372e23;
  --muted: #695b47;
  --line: #b9aa91;
}
.center > .eyebrow {
  color: #6b563f;
}
.arrival {
  display: flex;
  gap: 9%;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
}
.arrival-number {
  font:
    clamp(105px, 13.3vw, 205px)/1.15 Georgia,
    serif;
  letter-spacing: -0.065em;
  white-space: nowrap;
  color: #534030;
}
.arrival-number > span {
  font: 14px var(--sans);
  letter-spacing: 0;
  margin-left: 20px;
  color: #6b563f;
}
.arrival > div {
  padding: 15px 0 0;
  flex-shrink: 0;
}
.arrival h2 {
  font-size: clamp(27px, 2.6vw, 41px);
  line-height: 1.55;
}
.arrival > div > p {
  font-size: 11px;
  margin-top: 20px;
  color: #6b563f;
}
.overview {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 12%;
  align-items: center;
  padding: 25px 0 20px;
}
.overview-figure {
  min-width: 0;
}
.overview-figure svg {
  display: block;
  width: 100%;
  max-height: 600px;
}
.overview-figure svg text {
  font: 14px var(--sans);
  fill: #17120d;
}
.overview-figure figcaption {
  font-size: 10px;
  color: #6b563f;
}
.overview-list > a {
  display: flex;
  align-items: center;
  gap: 22px;
  border-bottom: 1px solid #b4a58c;
  padding: 24px 0;
}
.overview-list > a:hover {
  color: #854c2e;
}
.overview-index {
  font-size: 10px;
  color: #6b563f;
}
.overview-list h3 {
  font-size: 23px;
  letter-spacing: 0;
}
.overview-list h3 > span {
  font-size: 10px;
  margin-left: 20px;
  color: #6b563f;
}
.overview-list > a > span:last-child {
  margin-left: auto;
  font-size: 20px;
  color: #6b563f;
}
.overview-list p {
  font-size: 11px;
  color: #6b563f;
  margin-top: 5px;
}
.overview-list > .overview-note {
  font-size: 10px;
  line-height: 2;
  margin-top: 25px;
  color: #6b563f;
}
.return-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-top: 55px;
  padding-top: 38px;
  border-top: 1px solid #b7a991;
}
.return-row > p {
  font-size: 13px;
  color: #6b5844;
}
.return-link {
  display: inline-flex;
  align-items: center;
  gap: 60px;
  background: #403328;
  color: #f0e2cc;
  border-radius: 2px;
  padding: 12px 23px;
  font-size: 13px;
  min-height: 49px;
}
.return-link > span {
  font-size: 20px;
}
.return-link:hover {
  background: #765236;
  color: #fff0da;
}
.sources {
  padding: 60px var(--gutter) 27px;
  background: #10120f;
  --line: #3e4336;
  --muted: #b2b3a3;
}
.footer-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  margin-bottom: 45px;
}
.footer-heading .brand {
  font-size: 18px;
}
.footer-heading .brand small {
  font-size: 7px;
}
.footer-heading > p {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: #b8b9a6;
}
.footer-heading > div {
  display: flex;
  gap: 28px;
  font-size: 11px;
}
.source-details {
  border-top: 1px solid #505441;
  border-bottom: 1px solid #505441;
}
.source-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  cursor: pointer;
  font-size: 12px;
  padding: 20px 0;
}
.source-details summary > span:last-child {
  font-size: 10px;
  color: #b3b7a1;
  display: flex;
  gap: 40px;
  align-items: center;
}
.source-details summary i {
  display: inline-block;
  font:
    22px Georgia,
    serif;
}
.source-details[open] summary i {
  transform: rotate(45deg);
}
.sources-content {
  padding: 12px 0 35px;
}
.sources-content > p {
  font-size: 12px;
  color: #c0c1af;
  line-height: 2.2;
  max-width: 850px;
  margin-bottom: 18px;
}
.source-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 27px 65px;
  padding-left: 23px;
  margin: 35px 0;
  font-size: 11px;
}
.source-list li {
  padding-left: 4px;
  scroll-margin-top: 110px;
}
.source-list li:target {
  outline: 8px solid #2f3826;
  background: #2f3826;
}
.source-list a {
  border-bottom: 1px solid #7b8369;
  padding-bottom: 3px;
}
.source-list p {
  font-size: 10px;
  color: #b2b9a0;
  line-height: 2;
  margin-top: 7px;
}
.asset-links {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  font-size: 10px;
  color: #b3bba2;
}
.asset-links > span {
  margin-left: auto;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 26px;
  font-size: 9px;
  color: #b0b79e;
}
.no-script {
  padding: 15px var(--gutter);
  font-size: 12px;
  color: #d4c4a8;
  background: #34281c;
}
.reduced-motion *,
.reduced-motion *:before,
.reduced-motion *:after {
  animation: none !important;
  transition: none !important;
  scroll-behavior: auto !important;
}
.reduced-motion .parallax {
  transform: none !important;
}
html:has(.reduced-motion) {
  scroll-behavior: auto;
}
@media (min-width: 1800px) {
  :root {
    --gutter: max(110px, calc((100vw - 1530px) / 2));
  }
  .hero-art {
    width: 76%;
    right: 0;
    top: 2%;
  }
  .hero-copy {
    padding-top: 230px;
  }
}
@media (max-width: 1100px) {
  .hero-art {
    width: 93%;
    right: -15%;
    top: 16%;
  }
  .hero-copy {
    width: 57%;
    padding-top: 180px;
  }
  .hero h1 {
    font-size: 100px;
  }
  .hero-caption {
    right: 5%;
    bottom: 19%;
  }
  .hero-bottom strong {
    font-size: 47px;
  }
  .hero-note {
    display: none;
  }
  .depth-nav {
    gap: 25px;
  }
  .depth-readout {
    min-width: 230px;
    gap: 15px;
  }
  .depth-nav nav {
    gap: 32px;
  }
  .map-link {
    margin-left: auto;
  }
  .crust-opening {
    min-height: 610px;
  }
  .crust-copy {
    width: 54%;
  }
  .strata-art {
    width: 80%;
  }
  .rock-exhibit {
    gap: 6%;
    grid-template-columns: 1fr 1.2fr;
  }
  .mantle-layout {
    gap: 6%;
    grid-template-columns: 1fr 1fr;
  }
  .outer-heading {
    gap: 6%;
  }
  .outer-heading h2 {
    font-size: 38px;
  }
  .outer-heading > .body-copy {
    font-size: 13px;
  }
  .core-layout {
    gap: 6%;
    grid-template-columns: 1fr 1.2fr;
  }
  .arrival {
    gap: 4%;
  }
  .arrival-number {
    font-size: 130px;
  }
  .arrival h2 {
    font-size: 31px;
  }
  .overview {
    gap: 6%;
  }
  .overview-list > a {
    padding: 20px 0;
  }
  .wave-status {
    max-width: 150px;
  }
  .edition {
    display: none;
  }
}
@media (max-width: 760px) {
  :root {
    --gutter: 25px;
  }
  html {
    scroll-padding-top: 90px;
  }
  .site-header {
    height: 90px;
  }
  .brand {
    font-size: 18px;
    gap: 10px;
  }
  .brand svg {
    width: 29px;
    height: 29px;
  }
  .brand small {
    font-size: 7px;
    margin-top: 3px;
  }
  .site-header nav > a {
    display: none;
  }
  .motion-toggle {
    border: 0;
    padding: 0;
    font-size: 10px;
    gap: 5px;
  }
  .hero {
    min-height: 850px;
    height: 100svh;
    max-height: 1100px;
  }
  .hero-copy {
    padding: 145px var(--gutter) 0;
    width: 100%;
  }
  .hero-copy .eyebrow {
    font-size: 9px;
    letter-spacing: 0.08em;
  }
  .hero h1 {
    font-size: clamp(48px, 14vw, 68px);
    line-height: 1.3;
    margin: 27px 0 22px;
    letter-spacing: -0.065em;
  }
  .hero h1 br {
    display: none;
  }
  .hero-subtitle {
    font-size: 13px;
    line-height: 2;
  }
  .primary-link {
    font-size: 12px;
    padding: 10px 19px;
    gap: 50px;
    margin-top: 27px;
    min-height: 48px;
  }
  .hero-art {
    width: 125%;
    max-width: 560px;
    right: -10%;
    top: auto;
    bottom: 112px;
    mask-image: linear-gradient(to bottom, transparent, #000 8%);
  }
  .hero-caption {
    right: var(--gutter);
    bottom: 91px;
    font-size: 8px;
    line-height: 1.7;
  }
  .hero-caption small {
    display: inline;
    font-size: 8px;
    margin-left: 8px;
  }
  .hero-caption .fine-line {
    display: none;
  }
  .hero-bottom {
    bottom: 26px;
    align-items: center;
    gap: 20px;
  }
  .hero-bottom > p {
    gap: 9px;
  }
  .hero-bottom strong {
    font-size: 32px;
  }
  .hero-bottom > p > span {
    font-size: 8px;
    max-width: 83px;
    line-height: 1.5;
  }
  .hero-bottom .citation {
    padding: 0;
  }
  .scroll-cue {
    font-size: 8px;
    gap: 9px;
  }
  .scroll-cue i {
    height: 25px;
  }
  .depth-nav {
    height: 78px;
    padding: 0 18px;
    gap: 12px;
    align-items: center;
  }
  .depth-readout {
    min-width: 96px;
    display: block;
    line-height: 1.35;
  }
  .depth-readout small span {
    display: inline;
  }
  .depth-readout small {
    font-size: 7px;
    max-width: none;
    display: block;
    line-height: 1.2;
  }
  .depth-readout b {
    font-size: 25px;
    min-width: 64px;
    text-align: left;
    line-height: 1.35;
  }
  .depth-readout i {
    font-size: 9px;
    margin-left: 0;
  }
  .depth-nav nav {
    gap: 20px;
    justify-content: space-between;
    flex: 1;
  }
  .depth-nav nav a {
    font-size: 11px;
    gap: 0;
    flex-direction: column;
    justify-content: center;
    line-height: 1.8;
  }
  .depth-nav nav a > span {
    font-size: 8px;
  }
  .map-link {
    display: none;
  }
  .scene:not(.hero) {
    padding: 42px var(--gutter) 42px;
  }
  .section-top {
    gap: 12px;
    padding-bottom: 17px;
    margin-bottom: 35px;
  }
  .section-top .eyebrow {
    font-size: 8px;
    letter-spacing: 0.09em;
  }
  .eyebrow > span:not(.status-dot) {
    margin-right: 12px;
  }
  .depth-range {
    font-size: 15px;
    line-height: 1.5;
    text-align: right;
  }
  .depth-range > span {
    font-size: 8px;
    display: block;
    margin-left: 0;
    line-height: 1.8;
  }
  .overline {
    font-size: 10px;
    margin-bottom: 20px;
    letter-spacing: 0.02em;
  }
  h2 {
    font-size: 34px;
    line-height: 1.5;
  }
  .intro {
    font-size: 13px;
    line-height: 2;
    margin-top: 20px;
  }
  .body-copy {
    font-size: 13px;
  }
  .crust-opening {
    display: flex;
    flex-direction: column;
    min-height: 0;
    align-items: stretch;
  }
  .crust-copy {
    width: 100%;
    padding-bottom: 0;
  }
  .crust-copy h2 {
    font-size: 33px;
  }
  .crust-copy .body-copy {
    max-width: 100%;
    font-size: 12px;
    margin-top: 23px;
  }
  .strata-art {
    position: relative;
    width: calc(100% + 50px);
    height: 390px;
    right: auto;
    top: auto;
    bottom: auto;
    margin: 28px -25px 0;
    mask-image: linear-gradient(to bottom, transparent, #000 16%);
  }
  .strata-art img {
    object-position: center;
  }
  .strata-art figcaption {
    font-size: 8px;
    bottom: 5px;
    right: 25px;
  }
  .depth-note {
    padding: 24px 0 28px;
    font-size: 9px;
    line-height: 2;
  }
  .depth-note > span {
    font-size: 15px;
    margin-right: 8px;
  }
  .rock-exhibit {
    display: flex;
    flex-direction: column;
    gap: 35px;
    padding-top: 45px;
  }
  .rock-copy {
    width: 100%;
  }
  .rock-copy > .eyebrow {
    font-size: 9px;
  }
  .rock-copy h3 {
    font-size: 27px;
    margin-top: 18px;
    line-height: 1.65;
  }
  .rock-tabs {
    margin: 23px 0 19px;
  }
  .rock-story {
    min-height: 0;
  }
  .rock-story h4 {
    font-size: 15px;
  }
  .rock-story > p:last-child {
    font-size: 12px;
    max-width: 100%;
  }
  .text-link {
    font-size: 10px;
    margin-top: 18px;
  }
  .inspect-details {
    margin-top: 23px;
    max-width: none;
  }
  .inspect-details summary {
    font-size: 11px;
    min-height: 46px;
  }
  .zoom-control p {
    font-size: 11px;
  }
  .zoom-control small {
    font-size: 9px;
  }
  .rock-figure {
    width: 100%;
  }
  .rock-frame {
    width: calc(100% + 30px);
    margin-left: -15px;
  }
  .rock-figure figcaption {
    font-size: 10px;
    padding: 13px 0;
  }
  .rock-figure figcaption span:last-child {
    font-size: 8px;
  }
  .mantle-heading {
    text-align: left;
    padding: 5px 0 0;
  }
  .mantle-heading h2 {
    font-size: 36px;
  }
  .mantle-heading .intro {
    font-size: 13px;
    line-height: 2;
    margin-top: 20px;
  }
  .mantle-layout {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-top: 30px;
  }
  .mantle-specimen {
    width: 100%;
    order: 1;
  }
  .mantle-specimen img {
    width: calc(100% + 30px);
    margin-left: -15px;
  }
  .mantle-specimen figcaption {
    font-size: 9px;
    gap: 7px;
    padding: 10px 0 0;
  }
  .mantle-specimen strong {
    font-size: 14px;
  }
  .mantle-specimen i {
    font-size: 8px;
  }
  .mantle-story {
    width: 100%;
    order: 2;
  }
  .mantle-story .body-copy {
    font-size: 12px;
  }
  .time-controls {
    margin-top: 25px;
    gap: 10px;
  }
  .time-controls button {
    font-size: 11px;
    min-height: 44px;
    padding: 6px 12px;
  }
  .mantle-flow > p {
    font-size: 11px;
    margin-top: 12px;
  }
  .mantle-flow > small {
    font-size: 9px;
  }
  .outer-heading {
    display: block;
  }
  .outer-heading h2 {
    font-size: 32px;
    line-height: 1.55;
  }
  .outer-heading > .body-copy {
    font-size: 12px;
    max-width: 100%;
    padding: 0;
    margin-top: 25px;
  }
  .wave-exhibit {
    margin-top: 35px;
    padding-top: 23px;
  }
  .wave-topline {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }
  .wave-topline > .eyebrow {
    font-size: 8px;
  }
  .wave-controls {
    gap: 12px;
    width: 100%;
  }
  .wave-controls button {
    flex: 1;
    font-size: 11px;
    padding: 5px 14px;
  }
  .wave-controls b {
    font-size: 20px;
  }
  .wave-stage {
    margin-top: 22px;
    padding: 15px 0 18px;
  }
  .material-labels {
    font-size: 10px;
  }
  .wave-stage svg {
    margin-top: 12px;
  }
  .wave-stage svg text {
    font-size: 28px;
    letter-spacing: 0;
  }
  .boundary-label {
    font-size: 8px;
    margin-top: 12px;
  }
  .wave-slider {
    grid-template-columns: 1fr 45px;
    gap: 10px;
    padding: 17px 0;
  }
  .wave-slider label {
    grid-column: 1/3;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
  }
  .wave-slider label > span {
    font-size: 9px;
    margin: 0;
  }
  .wave-slider input {
    height: 30px;
  }
  .reset-button {
    font-size: 10px;
    padding: 0;
    min-height: 35px;
  }
  .wave-story {
    gap: 15px;
    flex-wrap: wrap;
    padding: 24px 0 20px;
    min-height: 235px;
  }
  .wave-type {
    font-size: 43px;
    min-width: 30px;
  }
  .wave-story > div {
    flex: 1;
    min-width: 0;
  }
  .wave-story h3 {
    font-size: 17px;
    line-height: 1.7;
    margin-bottom: 10px;
  }
  .wave-story > div > p {
    font-size: 11px;
    line-height: 2.1;
  }
  .wave-status {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0 0 0 45px;
    text-align: left;
    font-size: 10px;
  }
  .wave-exhibit > .figure-note {
    font-size: 9px;
    line-height: 2;
  }
  .evidence-line {
    font-size: 10px;
    margin-top: 27px;
    padding-top: 24px;
  }
  .evidence-line > span {
    display: block;
    font-size: 11px;
    margin: 0 0 9px;
  }
  .inner-heading {
    text-align: left;
    padding: 5px 0 0;
  }
  .inner-heading h2 {
    font-size: 39px;
  }
  .inner-heading .intro {
    font-size: 13px;
    line-height: 2;
    margin-top: 22px;
  }
  .core-layout {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 28px;
  }
  .core-copy {
    width: 100%;
  }
  .core-copy > .body-copy {
    font-size: 12px;
    max-width: 100%;
  }
  .pressure-detail {
    margin-top: 25px;
  }
  .pressure-detail summary {
    font-size: 11px;
    min-height: 47px;
  }
  .pressure-detail > p {
    font-size: 11px;
    line-height: 2;
  }
  .light-control {
    margin-top: 28px;
  }
  .light-control > .eyebrow {
    font-size: 9px;
  }
  .light-control > p:nth-child(2) {
    font-size: 11px;
    max-width: 100%;
  }
  .light-control button {
    font-size: 11px;
    margin-top: 16px;
    gap: 42px;
  }
  .model-note {
    font-size: 9px;
    max-width: 100%;
    margin-top: 16px;
  }
  .core-figure {
    width: 100%;
    margin: 0;
  }
  .core-figure figcaption {
    font-size: 8px;
    padding: 14px 0;
  }
  .light-cursor {
    width: 23px;
    height: 23px;
  }
  .discovery-note {
    gap: 23px;
    align-items: flex-start;
    margin-top: 45px;
    padding-top: 26px;
  }
  .discovery-year {
    font-size: 30px;
    line-height: 1.5;
  }
  .discovery-note > p {
    font-size: 11px;
    line-height: 2;
  }
  .discovery-note > p > span {
    font-size: 10px;
  }
  .center > .eyebrow {
    font-size: 9px;
  }
  .arrival {
    display: flex;
    flex-direction: column;
    gap: 18px;
    align-items: flex-start;
    margin-top: 15px;
  }
  .arrival-number {
    font-size: clamp(88px, 24vw, 140px);
  }
  .arrival-number > span {
    font-size: 13px;
    margin-left: 16px;
  }
  .arrival > div {
    padding: 0;
    flex-shrink: 1;
  }
  .arrival h2 {
    font-size: 31px;
    line-height: 1.6;
  }
  .arrival > div > p {
    font-size: 11px;
    margin-top: 15px;
  }
  .overview {
    display: flex;
    flex-direction: column;
    gap: 30px;
    padding: 20px 0 0;
  }
  .overview-figure {
    width: 100%;
    max-width: 450px;
  }
  .overview-figure svg text {
    font-size: 19px;
  }
  .overview-figure figcaption {
    font-size: 9px;
    text-align: center;
  }
  .overview-list {
    width: 100%;
  }
  .overview-list > a {
    padding: 20px 0;
    gap: 16px;
  }
  .overview-index {
    font-size: 9px;
  }
  .overview-list h3 {
    font-size: 22px;
  }
  .overview-list h3 > span {
    font-size: 10px;
    margin-left: 18px;
  }
  .overview-list p {
    font-size: 10px;
    margin-top: 4px;
  }
  .overview-list > .overview-note {
    font-size: 9px;
    margin-top: 23px;
  }
  .return-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 23px;
    margin-top: 35px;
    padding-top: 28px;
  }
  .return-row > p {
    font-size: 11px;
  }
  .return-link {
    font-size: 12px;
    gap: 60px;
    padding: 10px 21px;
  }
  .sources {
    padding: 38px var(--gutter) 24px;
  }
  .footer-heading {
    flex-wrap: wrap;
    gap: 28px;
    margin-bottom: 32px;
  }
  .footer-heading > .brand {
    font-size: 17px;
  }
  .footer-heading > p {
    display: none;
  }
  .footer-heading > div {
    font-size: 10px;
    gap: 24px;
  }
  .source-details summary {
    font-size: 11px;
    padding: 18px 0;
  }
  .source-details summary > span:last-child {
    font-size: 9px;
    gap: 23px;
  }
  .sources-content > p {
    font-size: 11px;
    line-height: 2.1;
  }
  .source-list {
    grid-template-columns: 1fr;
    gap: 24px;
    margin: 30px 0;
    font-size: 10px;
  }
  .source-list p {
    font-size: 10px;
  }
  .asset-links {
    font-size: 9px;
    gap: 18px;
  }
  .asset-links > span {
    margin-left: 0;
    width: 100%;
  }
  .footer-bottom {
    font-size: 8px;
    padding-top: 22px;
  }
  .footer-bottom > span:nth-child(2) {
    display: none;
  }
}
@media (max-width: 375px) {
  :root {
    --gutter: 22px;
  }
  .hero {
    min-height: 800px;
  }
  .hero-copy {
    padding-top: 128px;
  }
  .hero h1 {
    font-size: 49px;
  }
  .hero-art {
    width: 125%;
    right: -11%;
    bottom: 110px;
  }
  .hero-caption {
    font-size: 7px;
  }
  .hero-caption small {
    font-size: 7px;
  }
  .scroll-cue {
    font-size: 7px;
    gap: 6px;
  }
  .hero-bottom strong {
    font-size: 29px;
  }
  .hero-bottom > p > span {
    font-size: 7px;
    max-width: 70px;
  }
  .depth-nav {
    padding: 0 14px;
    gap: 8px;
  }
  .depth-readout {
    min-width: 84px;
  }
  .depth-readout b {
    font-size: 23px;
    min-width: 59px;
  }
  .depth-nav nav {
    gap: 12px;
  }
  .depth-nav nav a {
    font-size: 10px;
  }
  .crust-copy h2,
  .outer-heading h2 {
    font-size: 29px;
  }
  .mantle-heading h2 {
    font-size: 31px;
  }
  .inner-heading h2 {
    font-size: 36px;
  }
  .strata-art {
    width: calc(100% + 44px);
    margin-left: -22px;
    margin-right: -22px;
  }
  .section-top .eyebrow {
    font-size: 7px;
  }
  .depth-range {
    font-size: 14px;
  }
  .arrival-number {
    font-size: 88px;
  }
  .arrival h2 {
    font-size: 30px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
  }
  .parallax {
    transform: none !important;
  }
}