:root {
  color-scheme:dark;
  --bg:#11120f;
  --ink:#e8e7de;
  --muted:#a5a79b;
  --dim:#777c6d;
  --rule:#393d31;
  --signal:#ecae76;
  --mono:'IBM Plex Mono',monospace;
  --serif:'Source Serif 4',Georgia,serif;
  --sans:Inter,Arial,sans-serif
}

* {
  box-sizing:border-box
}

html,body {
  margin:0;
  width:100%;
  height:100%;
  overflow:hidden
}

body {
  background:var(--bg);
  isolation:isolate;
  color:var(--ink);
  font:400 15px/1.65 var(--sans);
  -webkit-font-smoothing:antialiased
}

button,a {
  -webkit-tap-highlight-color:transparent;
  touch-action:manipulation
}

button {
  font:inherit;
  color:inherit;
  border-radius:0
}

a {
  color:inherit;
  text-decoration:none
}

button:focus-visible,a:focus-visible {
  outline:2px solid var(--signal);
  outline-offset:6px
}

::selection {
  background:var(--signal);
  color:var(--bg)
}

[hidden] {
  display:none!important
}

.page {
  height:100vh;
  height:100dvh;
  padding:0 clamp(24px,4vw,72px);
  display:grid;
  grid-template-rows:108px minmax(0,1fr) 66px;
  max-width:2000px;
  margin:auto;
  position:relative
}

/* Keep the grain continuous beyond the centered content on wide displays. */
body::before {
  content:'';
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Cpath fill='%23fff' filter='url(%23n)' opacity='.5' d='M0 0h180v180H0z'/%3E%3C/svg%3E");
  z-index:-1
}

.masthead {
  display:flex;
  align-items:center;
  border-bottom:1px solid var(--rule);
  gap:42px
}

.wordmark {
  font:600 23px/.94 var(--serif);
  letter-spacing:-.7px
}

.wordmark span {
  display:block;
  font:400 10px/1 var(--mono);
  letter-spacing:4.8px;
  margin-top:9px
}

.masthead-note {
  font:400 9px/1.8 var(--mono);
  letter-spacing:1.1px;
  color:var(--muted);
  padding-left:30px;
  border-left:1px solid var(--rule)
}

.text-button {
  padding:0;
  background:none;
  border:0;
  cursor:pointer;
  font:400 11px/1.5 var(--mono);
  display:inline-flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  min-height:40px;
  text-align:left
}

.text-button span {
  font-size:18px;
  transition:transform .2s
}

.text-button:hover {
  color:var(--signal)
}

.text-button:hover span {
  transform:translate(2px,-2px)
}

.masthead>.text-button {
  margin-left:auto
}

.composition {
  display:grid;
  grid-template-columns:43% 57%;
  align-items:center;
  min-height:0;
  padding:38px 0 32px;
  gap:0
}

.intro {
  padding-right:26px;
  min-width:0;
  display:flex;
  flex-direction:column;
  justify-content:center
}

.eyebrow {
  font:400 10px/1.5 var(--mono);
  letter-spacing:1.4px;
  color:var(--signal);
  margin:0;
  display:flex;
  align-items:center;
  gap:13px
}

.signal-rule {
  display:inline-block;
  width:25px;
  height:3px;
  background:var(--signal)
}

h1 {
  font:600 clamp(64px,6.7vw,108px)/.99 var(--serif);
  font-optical-sizing:auto;
  letter-spacing:-.057em;
  margin:32px 0 29px
}

h1 em {
  font-style:normal;
  color:var(--signal);
  white-space:nowrap
}

.mission {
  color:var(--muted);
  font-size:14px;
  line-height:1.8;
  margin:0 0 22px;
  max-width:350px
}

.intro-link {
  color:var(--ink);
  border-bottom:1px solid var(--rule);
  min-width:172px;
  padding:0 0 7px
}

.observatory {
  display:grid;
  grid-template-rows:40px minmax(0,1fr) auto 41px;
  align-self:stretch;
  min-height:0;
  margin-left:12px;
  position:relative
}

.instrument-header {
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:10px;
  border-bottom:1px solid var(--rule);
  padding-top:3px
}

.instrument-header h2,.frame-label {
  margin:0;
  font:400 9px/1.5 var(--mono);
  letter-spacing:1.3px
}

.instrument-header h2 {
  color:var(--ink)
}

.frame-label {
  color:var(--dim)
}

.plot {
  position:relative;
  min-height:0;
  width:100%;
  isolation:isolate
}

.plot canvas,.plot-geometry {
  position:absolute;
  width:100%;
  height:100%;
  inset:0;
  pointer-events:none
}

.plot canvas {
  opacity:.95
}

.plot-caption {
  position:absolute;
  bottom:12px;
  left:0;
  font:400 8px/1.5 var(--mono);
  letter-spacing:.9px;
  color:var(--dim);
  display:flex;
  align-items:center;
  gap:7px
}

.legend-line {
  width:16px;
  height:1px;
  background:#827553
}

.plot-geometry text {
  fill:var(--muted);
  font:400 9px var(--mono);
  letter-spacing:1px
}

.plot-geometry .axis-text {
  fill:var(--dim);
  font-size:8px
}

.plot-geometry .body-label {
  fill:var(--ink);
  font-size:9px;
  letter-spacing:1.2px
}

.point {
  position:absolute;
  width:44px;
  height:44px;
  transform:translate(-50%,-50%);
  padding:0;
  border:0;
  background:none;
  cursor:pointer;
  display:grid;
  place-items:center;
  z-index:2;
  --point-color:var(--muted);
  color:var(--point-color)
}

.point-marker {
  width:6px;
  height:6px;
  border:1px solid var(--point-color);
  background:var(--bg);
  transform:rotate(45deg);
  position:relative;
  transition:background .2s,border-color .2s
}

.point-label {
  position:absolute;
  top:-3px;
  left:28px;
  white-space:nowrap;
  font:400 12px/1 var(--mono);
  letter-spacing:-1px
}

.point-label>span {
  font-size:9px;
  margin-left:1px
}

.point[data-point=L1] .point-label {
  left:0;
  top:0
}

.point[data-point=L2] .point-label {
  left:27px;
  top:30px
}

.point[data-point=L3] .point-label {
  left:0;
  top:0
}

.point.selected,.point:hover {
  --point-color:var(--signal)
}

.point.selected .point-marker {
  background:var(--signal);
  box-shadow:0 0 14px #ecae7635
}

.point.selected:after {
  content:'';
  position:absolute;
  inset:7px;
  border:1px solid #ecae7680;
  border-radius:50%
}

.point:focus-visible {
  outline-offset:-2px;
  border-radius:50%
}

.point-detail {
  border-top:1px solid var(--rule);
  border-bottom:1px solid var(--rule);
  padding:19px 0;
  display:flex;
  gap:22px;
  min-height:113px
}

.point-index {
  font:600 48px/.9 var(--serif);
  color:var(--signal);
  letter-spacing:-3px;
  min-width:56px;
  padding-top:5px
}

.point-index span {
  font-size:29px;
  letter-spacing:-1px
}

.point-copy {
  min-width:0;
  flex:1
}

.point-title-row {
  display:flex;
  align-items:center;
  gap:15px;
  flex-wrap:wrap;
  margin-bottom:6px
}

.point-copy h3 {
  font:500 13px/1.4 var(--sans);
  margin:0
}

.point-stability {
  font:400 8px/1.4 var(--mono);
  letter-spacing:.5px;
  color:var(--signal)
}

.point-copy p {
  font:400 11px/1.8 var(--sans);
  color:var(--muted);
  margin:0;
  max-width:470px;
  min-height:40px
}

.instrument-footer {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  font:400 8px/1.5 var(--mono);
  letter-spacing:.5px;
  color:var(--dim)
}

.instrument-footer .text-button {
  font-size:9px;
  color:var(--muted);
  gap:9px
}

.instrument-footer .text-button:hover {
  color:var(--signal)
}

.instrument-footer .text-button span {
  font-size:13px
}

.page-footer {
  border-top:1px solid var(--rule);
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  font:400 9px/1.5 var(--mono);
  letter-spacing:1.3px;
  color:var(--dim)
}

.footer-right {
  display:flex;
  align-items:center;
  gap:36px
}

.footer-mark {
  color:var(--signal);
  font-size:27px;
  line-height:1
}

.no-script {
  padding:40px;
  color:var(--muted)
}

dialog {
  background:#191b16;
  color:var(--ink);
  border:1px solid #535746;
  width:min(570px,calc(100vw - 36px));
  max-height:calc(100dvh - 36px);
  padding:30px 34px 35px;
  box-shadow:0 30px 100px #0008
}

dialog::backdrop {
  background:#070906b8;
  backdrop-filter:blur(8px)
}

.dialog-header {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:15px;
  padding-bottom:22px;
  border-bottom:1px solid var(--rule);
  margin-bottom:27px
}

.close-button {
  background:none;
  border:0;
  display:flex;
  align-items:center;
  gap:15px;
  font:400 11px var(--mono);
  min-height:36px;
  cursor:pointer
}

.close-button span {
  font-size:23px
}

.close-button:hover {
  color:var(--signal)
}

dialog h2 {
  font:600 43px/1.05 var(--serif);
  letter-spacing:-1.4px;
  margin:0 0 23px
}

dialog p {
  font:400 13px/1.8 var(--sans);
  color:var(--muted);
  margin:0 0 15px
}

.dialog-conclusion {
  color:var(--signal);
  border-top:1px solid var(--rule);
  padding-top:20px;
  margin-top:25px!important
}

.model-values {
  display:grid;
  grid-template-columns:1fr auto;
  gap:8px;
  font:400 9px/1.5 var(--mono);
  border-block:1px solid var(--rule);
  padding:15px 0;
  margin-top:20px
}

.model-values span:nth-child(even) {
  text-align:right;
  color:var(--signal)
}

.model-sources {
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  margin-top:17px;
  font:400 10px/1.6 var(--mono)
}

.model-sources a:hover {
  color:var(--signal)
}

@media(min-width:1700px) {
  .page {
    grid-template-rows:130px minmax(0,1fr) 80px
  }
  .composition {
    padding-block:55px
  }
  .observatory {
    margin-left:30px
  }
  .mission {
    font-size:16px;
    max-width:420px
  }
  .eyebrow {
    font-size:12px
  }
  .instrument-header h2,.frame-label {
    font-size:11px
  }
  .point-copy p {
    font-size:13px
  }
  .point-copy h3 {
    font-size:15px
  }
  .point-stability {
    font-size:10px
  }
  .point-detail {
    padding-block:24px
  }
  .instrument-footer {
    font-size:10px
  }
  .instrument-footer .text-button {
    font-size:11px
  }
}

@media(max-height:760px) and (min-width:761px) {
  .page {
    grid-template-rows:88px minmax(0,1fr) 52px
  }
  .composition {
    padding:24px 0 20px
  }
  h1 {
    font-size:clamp(54px,min(6.6vw,11vh),92px);
    margin:24px 0
  }
  .mission {
    margin-bottom:13px
  }
  .point-detail {
    padding:13px 0;
    min-height:94px
  }
  .observatory {
    grid-template-rows:32px minmax(0,1fr) auto 35px
  }
}

@media(max-width:1100px) and (min-width:761px) {
  .page {
    padding-inline:32px
  }
  .composition {
    grid-template-columns:42% 58%
  }
  h1 {
    font-size:clamp(52px,6.4vw,72px)
  }
  .eyebrow {
    font-size:8px;
    letter-spacing:.8px
  }
  .mission {
    font-size:12px
  }
  .desktop-break {
    display:none
  }
  .point-title-row {
    gap:4px 12px
  }
  .point-detail {
    gap:15px
  }
  .point-copy p {
    font-size:10px
  }
  .instrument-header h2,.frame-label {
    font-size:8px;
    letter-spacing:.7px
  }
  .point-stability {
    font-size:7px
  }
  .instrument-footer {
    font-size:7px
  }
  .masthead-note {
    font-size:8px
  }
}

@media(max-width:760px) {
  .page {
    padding:0 24px;
    grid-template-rows:76px minmax(0,1fr) 44px
  }
  .masthead {
    gap:0
  }
  .wordmark {
    font-size:20px
  }
  .wordmark span {
    font-size:8px;
    margin-top:7px
  }
  .masthead-note {
    display:none
  }
  .masthead>.text-button {
    font-size:10px
  }
  .composition {
    grid-template-columns:1fr;
    grid-template-rows:auto minmax(0,1fr);
    padding:23px 0 12px;
    gap:23px;
    align-items:stretch
  }
  .intro {
    padding-right:0;
    display:block;
    position:relative
  }
  .eyebrow {
    font-size:8px;
    letter-spacing:1px;
    gap:10px
  }
  .signal-rule {
    width:17px;
    height:2px
  }
  h1 {
    font-size:clamp(45px,9vw,64px);
    line-height:1;
    letter-spacing:-.055em;
    margin:14px 0 13px
  }
  h1 br:nth-of-type(1) {
    display:none
  }
  .mission {
    font-size:11px;
    line-height:1.7;
    max-width:330px;
    margin:0
  }
  .intro-link {
    display:none
  }
  .observatory {
    margin-left:0;
    grid-template-rows:29px minmax(0,1fr) auto 29px
  }
  .instrument-header h2,.frame-label {
    font-size:8px;
    letter-spacing:.7px
  }
  .point-detail {
    gap:17px;
    min-height:83px;
    padding:12px 0
  }
  .point-index {
    font-size:38px;
    min-width:43px;
    letter-spacing:-2px
  }
  .point-index span {
    font-size:23px
  }
  .point-copy h3 {
    font-size:11px
  }
  .point-title-row {
    gap:3px 10px;
    margin-bottom:4px
  }
  .point-stability {
    font-size:7px
  }
  .point-copy p {
    font-size:10px;
    line-height:1.65;
    min-height:33px
  }
  .instrument-footer {
    font-size:6px;
    letter-spacing:.3px
  }
  .instrument-footer .text-button {
    font-size:8px;
    min-height:29px;
    gap:5px
  }
  .plot-caption {
    font-size:6px;
    bottom:7px;
    letter-spacing:.5px
  }
  .page-footer {
    font-size:7px;
    letter-spacing:.5px;
    gap:8px
  }
  .footer-right {
    gap:13px
  }
  .footer-mark {
    font-size:20px
  }
  .plot-geometry .body-label {
    font-size:8px
  }
  .plot-geometry .axis-text {
    font-size:7px
  }
  .point-label {
    font-size:10px
  }
  .point-label>span {
    font-size:8px
  }
  .desktop-break {
    display:none
  }
  dialog {
    padding:20px 23px 23px
  }
  .dialog-header {
    padding-bottom:15px;
    margin-bottom:20px
  }
  dialog h2 {
    font-size:34px;
    margin-bottom:17px
  }
  dialog p {
    font-size:12px;
    line-height:1.7
  }
  .model-values {
    font-size:8px
  }
  .model-sources {
    font-size:9px
  }
}

@media(max-width:760px) and (min-height:850px) {
  .composition {
    padding-top:30px;
    gap:28px
  }
  h1 {
    font-size:clamp(52px,10vw,68px);
    margin:19px 0 18px
  }
  .mission {
    font-size:12px
  }
  .point-detail {
    padding:17px 0;
    min-height:96px
  }
}

@media(max-width:760px) and (max-height:700px) {
  .page {
    grid-template-rows:62px minmax(0,1fr) 34px;
    padding-inline:20px
  }
  .composition {
    padding-top:15px;
    gap:15px
  }
  h1 {
    font-size:42px;
    margin:10px 0
  }
  .mission {
    font-size:10px;
    line-height:1.6
  }
  .point-detail {
    min-height:77px;
    padding:10px 0
  }
  .point-copy p {
    font-size:9px
  }
  .plot-caption {
    display:none
  }
  .footer-mark {
    font-size:17px
  }
  dialog h2 {
    font-size:28px
  }
  dialog p {
    font-size:11px;
    line-height:1.6
  }
  .dialog-header {
    margin-bottom:15px
  }
  dialog .model-values {
    margin-top:10px;
    padding-block:10px
  }
}

@media(max-height:500px) and (min-width:600px) {
  .page {
    grid-template-rows:57px minmax(0,1fr) 32px;
    padding-inline:25px
  }
  .composition {
    grid-template-columns:40% 60%;
    grid-template-rows:minmax(0,1fr);
    padding:16px 0 10px;
    gap:0
  }
  .intro {
    padding-right:22px;
    display:flex
  }
  .observatory {
    margin-left:8px;
    grid-template-rows:24px minmax(0,1fr) auto 27px
  }
  .masthead-note {
    display:none
  }
  .wordmark {
    font-size:18px
  }
  .wordmark span {
    font-size:7px
  }
  h1 {
    font-size:clamp(36px,8.6vh,48px);
    margin:13px 0
  }
  h1 br:nth-of-type(1) {
    display:block
  }
  .mission {
    font-size:10px;
    line-height:1.5
  }
  .intro-link {
    display:none
  }
  .eyebrow {
    font-size:7px;
    letter-spacing:.5px
  }
  .point-detail {
    min-height:63px;
    padding:9px 0;
    gap:13px
  }
  .point-index {
    font-size:30px;
    min-width:34px
  }
  .point-index span {
    font-size:20px
  }
  .point-copy h3 {
    font-size:10px
  }
  .point-copy p {
    font-size:9px;
    min-height:27px;
    line-height:1.5
  }
  .point-stability {
    font-size:6px
  }
  .point-title-row {
    margin-bottom:4px;
    gap:10px
  }
  .plot-caption {
    display:none
  }
  .instrument-footer {
    font-size:6px
  }
  .instrument-footer .text-button {
    font-size:8px;
    min-height:25px
  }
  .instrument-header h2,.frame-label {
    font-size:7px
  }
  .page-footer {
    font-size:7px
  }
  .footer-mark {
    font-size:18px
  }
  dialog {
    width:min(740px,calc(100vw - 36px));
    padding:15px 24px
  }
  .dialog-header {
    margin-bottom:12px;
    padding-bottom:10px
  }
  dialog h2 {
    font-size:26px;
    margin-bottom:12px
  }
  dialog h2 br {
    display:none
  }
  dialog p {
    font-size:11px;
    line-height:1.5;
    margin-bottom:10px
  }
  .model-values {
    padding-block:8px;
    margin-top:10px;
    gap:4px
  }
  .model-sources {
    margin-top:8px
  }
  .dialog-conclusion {
    margin-top:12px!important;
    padding-top:12px
  }
}

@media(prefers-reduced-motion:reduce) {
  *,*::before,*::after {
    transition:none!important;
    animation:none!important
  }
}

/* Close collinear points use offset labels; physical markers stay on the axis. */
.point.callout .point-marker {
  transform:translate(var(--marker-shift-x),var(--marker-shift)) rotate(45deg);
  pointer-events:none
}

.point.callout.selected:after {
  transform:translate(var(--marker-shift-x),var(--marker-shift));
  pointer-events:none
}

.point.callout .point-label {
  left:50%;
  top:50%;
  transform:translate(-50%,-50%);
  padding:4px;
  background:var(--bg);
  pointer-events:none
}

@media(max-width:760px) {
  .point-copy p {
    font-size:11px;
    line-height:1.55
  }
  .point-copy h3 {
    font-size:12px
  }
  .point-title-row {
    gap:4px 10px
  }
  .point-stability {
    font-size:8px
  }
  .point-detail {
    min-height:99px
  }
  .instrument-footer {
    font-size:8px
  }
  .instrument-footer .text-button {
    font-size:9px
  }
  .plot-caption {
    font-size:8px
  }
  .page-footer {
    font-size:7px
  }
  .plot-geometry .body-label {
    font-size:9px
  }
  .point-label {
    font-size:12px
  }
  .point-label>span {
    font-size:9px
  }
}

@media(max-width:360px) {
  .page-footer {
    font-size:6px;
    letter-spacing:.2px
  }
  .point-copy p {
    font-size:10px
  }
  .point-copy h3 {
    font-size:11px
  }
  .point-stability {
    font-size:7px
  }
  .point-title-row {
    gap:3px
  }
  .instrument-footer {
    font-size:7px
  }
  .instrument-footer .text-button {
    font-size:8px
  }
  .point-detail {
    gap:12px
  }
}

@media(max-height:500px) and (min-width:600px) {
  .point-detail {
    min-height:72px
  }
  .point-copy p {
    font-size:10px;
    line-height:1.5
  }
  .point-copy h3 {
    font-size:11px
  }
  .point-stability {
    font-size:7px
  }
}

@media(max-width:599px) and (max-height:620px) {
  .page {
    grid-template-rows:54px minmax(0,1fr) 28px
  }
  .wordmark {
    font-size:18px
  }
  .wordmark span {
    font-size:7px;
    margin-top:5px
  }
  .composition {
    padding:8px 0 6px;
    gap:10px
  }
  h1 {
    font-size:34px;
    margin:8px 0
  }
  .mission {
    font-size:10px;
    line-height:1.5
  }
  .observatory {
    grid-template-rows:24px minmax(0,1fr) auto 26px
  }
  .point-detail {
    min-height:90px;
    padding:9px 0
  }
  .point-copy p {
    font-size:10px
  }
  .point-copy h3 {
    font-size:11px
  }
  .point-title-row {
    display:block
  }
  .point-stability {
    display:block;
    font-size:7px;
    margin-top:3px
  }
  .instrument-footer .text-button {
    min-height:26px
  }
  .page-footer {
    font-size:6px
  }
  .plot-caption {
    display:none
  }
}

@media(max-width:599px) and (max-height:620px) {
  dialog {
    padding:16px 20px 18px
  }
  .dialog-header {
    padding-bottom:10px;
    margin-bottom:14px
  }
  dialog h2 {
    margin-bottom:14px
  }
  dialog p {
    margin-bottom:12px
  }
}