:root {
  color-scheme: dark;
  --ink: #071015;
  --ink-2: #0b171e;
  --surface: #10212a;
  --surface-2: #152a34;
  --line: #2b424c;
  --text: #edf3f4;
  --muted: #a6b8c0;
  --gold: #e0bb63;
  --gold-2: #8f7134;
  --blue: #8ac4de;
  --error: #ffb3a9;
  --max: 1240px;
  --radius: 18px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body { margin: 0; color: var(--text); background: radial-gradient(circle at 82% 4%, rgba(47,91,108,.15), transparent 32rem), #050c11; line-height: 1.6; overflow-x: hidden; }
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .52;
  background-image:
    radial-gradient(circle, rgba(255,255,255,.95) 0 1px, transparent 1.4px),
    radial-gradient(circle, rgba(166,207,224,.8) 0 .8px, transparent 1.2px),
    radial-gradient(circle, rgba(235,198,112,.7) 0 .7px, transparent 1.1px),
    radial-gradient(circle, rgba(255,255,255,.48) 0 .55px, transparent .95px);
  background-size: 233px 197px, 311px 283px, 419px 367px, 151px 173px;
  background-position: 17px 29px, 83px 137px, 211px 61px, 47px 101px;
}
a { color: var(--blue); text-underline-offset: .2em; }
a:hover { color: #c9eafb; }
img { display: block; max-width: 100%; height: auto; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
button, input { font: inherit; }
button { color: inherit; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }
.skip-link { position: fixed; z-index: 100; left: 1rem; top: 1rem; padding: .7rem 1rem; background: var(--gold); color: var(--ink); transform: translateY(-180%); }
.skip-link:focus { transform: none; }
.container { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(130,160,171,.25); background: rgba(7,16,21,.9); backdrop-filter: blur(16px); }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; color: var(--text); text-decoration: none; font-weight: 720; letter-spacing: -.03em; }
.brand-mark { width: 30px; aspect-ratio: 1; border: 1px solid var(--gold); border-radius: 50%; position: relative; }
.brand-mark::before { content: ""; position: absolute; width: 7px; aspect-ratio: 1; border-radius: 50%; background: var(--gold); left: 50%; top: 50%; transform: translate(-50%,-50%); }
.brand-mark::after { content: ""; position: absolute; width: 44px; height: 1px; background: var(--gold); left: 50%; top: 50%; transform: rotate(-35deg); transform-origin: left; }
.nav-toggle { display: none; min-width: 44px; min-height: 44px; border: 1px solid var(--line); border-radius: 50%; background: transparent; }
.primary-nav ul { display: flex; align-items: center; gap: .2rem; list-style: none; padding: 0; margin: 0; }
.primary-nav a { display: block; padding: .7rem .8rem; border-radius: 999px; color: var(--muted); text-decoration: none; font-size: .93rem; }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: var(--text); background: var(--surface); }
main { position: relative; }
.hero { padding: clamp(4.5rem, 9vw, 8.5rem) 0 3rem; }
.eyebrow { color: var(--gold); text-transform: uppercase; letter-spacing: .18em; font-weight: 700; font-size: .73rem; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -.035em; text-wrap: balance; }
h1 { font-size: clamp(2.8rem, 8vw, 7rem); max-width: 12ch; margin: .7rem 0 1.25rem; }
.page-home .hero { padding: clamp(2rem, 3vw, 3.25rem) 0 2rem; }
.page-home h1 { max-width: 17ch; font-size: clamp(2.5rem, 4.2vw, 4.25rem); margin-bottom: 1rem; }
.page-home .hero-actions { margin-top: 1.25rem; }
.home-hero-layout { display: grid; grid-template-columns: minmax(0,.9fr) minmax(24rem,1.1fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.home-hero-copy { position: relative; z-index: 1; }
.home-hero-visual { position: relative; min-width: 0; min-height: clamp(310px, 31vw, 440px); margin: 0; }
.home-hero-visual img { width: 100%; height: 100%; object-fit: contain; object-position: center; filter: saturate(.9) contrast(1.04) drop-shadow(0 0 24px rgba(224,187,99,.12)); transform: scale(1.05); }
h2 { font-size: clamp(2rem, 4vw, 3.8rem); margin: 0 0 1rem; }
h3 { font-size: clamp(1.25rem, 2vw, 1.65rem); }
.lede { max-width: 67ch; color: var(--muted); font-size: clamp(1.07rem, 2vw, 1.3rem); }
.hero-actions, .filter-row { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.8rem; }
.button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: .4rem; padding: .7rem 1.15rem; border: 1px solid var(--gold-2); border-radius: 999px; color: var(--text); background: transparent; text-decoration: none; cursor: pointer; }
.button.primary { background: var(--gold); color: #171208; border-color: var(--gold); font-weight: 700; }
.button:hover { border-color: var(--gold); }
.section { padding: clamp(3.5rem, 8vw, 7rem) 0; }
.section-header { display: grid; grid-template-columns: minmax(0, 1fr) minmax(16rem, 34rem); gap: 2rem; align-items: end; margin-bottom: 2rem; }
.section-header p { color: var(--muted); margin: 0; }
.tracker-grid, .card-grid, .mission-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1rem; }
.tracker { min-width: 0; padding: clamp(1.2rem, 3vw, 2.2rem); border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(17,35,44,.96), rgba(9,21,27,.95)); box-shadow: inset 0 1px rgba(255,255,255,.04); }
.tracker.v2 { --gold: #82c4df; --gold-2: #477a91; }
.tracker-head { display: flex; justify-content: space-between; gap: 1rem; align-items: start; }
.tracker h3 { margin: .25rem 0 0; font-size: 1.8rem; }
.status { display: inline-flex; align-items: center; gap: .45rem; color: var(--muted); font-size: .78rem; text-align: right; }
.status::before { content: ""; width: .55rem; aspect-ratio: 1; background: var(--gold); border-radius: 50%; flex: none; }
.tracker[data-state="error"] .status, .tracker[data-state="unavailable"] .status { color: var(--error); }
.tracker[data-state="error"] .status::before, .tracker[data-state="unavailable"] .status::before { background: var(--error); }
.distance-block { padding: 2.2rem 0 1.7rem; border-bottom: 1px solid var(--line); }
.metric-label { display: block; color: var(--muted); font-size: .79rem; text-transform: uppercase; letter-spacing: .12em; }
.distance-value { display: block; max-width: 100%; overflow-wrap: anywhere; font-size: clamp(1.7rem, 4.2vw, 3.4rem); line-height: 1.15; letter-spacing: -.04em; font-weight: 650; font-variant-numeric: tabular-nums; margin: .35rem 0; }
.distance-au { color: var(--gold); font-variant-numeric: tabular-nums; }
.metrics { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0; margin: 0; }
.metric { padding: 1.15rem 1rem 1rem 0; border-bottom: 1px solid rgba(66,91,102,.55); min-width: 0; }
.metric:nth-child(even) { padding-left: 1rem; border-left: 1px solid rgba(66,91,102,.55); }
.metric dt { color: var(--muted); font-size: .77rem; }
.metric dd { margin: .25rem 0 0; font-weight: 620; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.metric:last-child:nth-child(odd) { grid-column: 1 / -1; }
.tracker-foot { color: var(--muted); font-size: .76rem; margin: 1rem 0 0; }
.notice { padding: 1rem 1.2rem; border-left: 3px solid var(--gold); background: rgba(224,187,99,.08); color: #d9dedb; }
.historic-milestone { position: relative; display: grid; grid-template-columns: minmax(0,1fr) auto; gap: clamp(1.5rem, 4vw, 4rem); align-items: center; margin-top: 1rem; padding: clamp(1.2rem, 2.5vw, 1.7rem); overflow: hidden; border: 1px solid rgba(224,187,99,.58); border-radius: 12px; background: radial-gradient(circle at 82% 35%, rgba(14,104,88,.15), transparent 24rem), rgba(5,13,16,.92); box-shadow: inset 0 0 36px rgba(224,187,99,.035); }
.historic-milestone::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .34; background-image: radial-gradient(circle, rgba(255,255,255,.9) 0 1px, transparent 1.25px), radial-gradient(circle, rgba(138,196,222,.8) 0 .7px, transparent 1.1px); background-size: 211px 137px, 149px 173px; background-position: 23px 19px, 81px 73px; }
.historic-milestone > * { position: relative; }
.milestone-copy h3 { margin: .35rem 0 .55rem; font-size: clamp(1.2rem, 2.3vw, 1.75rem); }
.milestone-copy p { max-width: 72ch; margin: 0; color: #c5d0d3; }
.milestone-copy p strong { color: var(--text); white-space: nowrap; }
.milestone-time { min-width: 15.5rem; display: grid; justify-items: end; text-align: right; font-variant-numeric: tabular-nums; }
.milestone-time strong { color: #24dbc0; font-size: clamp(1.35rem, 2.6vw, 2rem); line-height: 1.1; letter-spacing: .04em; white-space: nowrap; }
.milestone-time time { margin-top: .45rem; color: var(--gold); font-size: 1.05rem; font-weight: 720; letter-spacing: .08em; }
.milestone-time small { color: var(--muted); }
.canvas-shell { border: 1px solid rgba(224,187,99,.3); background: rgba(4,10,16,.94); border-radius: var(--radius); overflow: hidden; box-shadow: inset 0 0 80px rgba(3,8,12,.7); }
[data-solar-map] { display: block; width: 100%; height: clamp(420px, 58vw, 650px); }
[data-distance-chart] { display: block; width: 100%; height: clamp(300px, 42vw, 480px); }
.legend-note { padding: .9rem 1.2rem; margin: 0; color: var(--muted); font-size: .84rem; border-top: 1px solid var(--line); }
.chart-data { border-top: 1px solid var(--line); padding: .9rem 1.2rem 1.2rem; }
.chart-data summary { color: var(--gold); cursor: pointer; }
.table-scroll { overflow-x: auto; margin-top: 1rem; }
.chart-data table { width: 100%; min-width: 34rem; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.chart-data caption { padding: 0 0 .7rem; color: var(--muted); text-align: left; }
.chart-data th, .chart-data td { padding: .65rem .8rem; border-bottom: 1px solid var(--line); text-align: right; }
.chart-data th:first-child { text-align: left; }
.time-controls { display: grid; grid-template-columns: minmax(0,1fr) auto auto; gap: 1rem; align-items: end; padding: 1rem 0 2rem; }
.time-controls label { display: grid; gap: .4rem; color: var(--muted); }
input[type="range"] { width: 100%; accent-color: var(--gold); }
input[type="date"] { min-height: 44px; color: var(--text); background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: .5rem .7rem; }
.time-output { display: block; color: var(--gold); margin-top: .5rem; }
.content-card { border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.2rem, 3vw, 2rem); background: rgba(16,33,42,.72); }
.content-card p { color: var(--muted); }
.content-card .big { color: var(--text); font-size: 2.5rem; font-weight: 700; line-height: 1; }
.timeline { list-style: none; margin: 2rem 0 0; padding: 0 0 0 1.2rem; border-left: 1px solid var(--line); }
.timeline li { position: relative; padding: 0 0 2.2rem 1.6rem; max-width: 760px; }
.timeline li::before { content: ""; position: absolute; left: -1.54rem; top: .35rem; width: .65rem; aspect-ratio: 1; border-radius: 50%; background: var(--ink); border: 2px solid var(--gold); }
.timeline time { color: var(--gold); font-variant-numeric: tabular-nums; }
.timeline h3 { margin: .25rem 0 .35rem; }
.timeline p { color: var(--muted); margin: 0; }
.filter-row button[aria-pressed="true"] { background: var(--gold); color: var(--ink); }
.comparison { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.comparison-row { display: grid; grid-template-columns: 1.2fr repeat(2,1fr); }
.comparison-row > * { padding: 1rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.comparison-row > :last-child { border-right: 0; }
.comparison .head { background: var(--surface); font-weight: 700; }
.gallery { display: grid; grid-template-columns: repeat(12,1fr); gap: 1rem; }
.gallery-card { grid-column: span 4; min-width: 0; }
.gallery-card:first-child, .gallery-card:nth-child(4) { grid-column: span 6; }
.gallery-card button { display: block; width: 100%; padding: 0; text-align: left; color: var(--text); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; cursor: zoom-in; }
.gallery-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; background: #020506; }
.gallery-copy { padding: 1rem; }
.gallery-copy strong { display: block; }
.gallery-copy span { display: block; color: var(--muted); font-size: .82rem; margin-top: .25rem; }
.lightbox { width: min(1100px, calc(100% - 2rem)); max-height: calc(100vh - 2rem); padding: 0; color: var(--text); background: var(--ink-2); border: 1px solid var(--line); border-radius: var(--radius); }
.lightbox::backdrop { background: rgba(0,0,0,.82); backdrop-filter: blur(4px); }
.lightbox img { width: 100%; max-height: 70vh; object-fit: contain; background: #020405; }
.lightbox-copy { padding: 1rem 1.2rem; }
.lightbox-copy h2 { font-size: 1.4rem; margin-bottom: .3rem; }
.lightbox-copy p { color: var(--muted); margin: 0; }
.lightbox-controls { display: flex; justify-content: space-between; padding: .8rem; border-top: 1px solid var(--line); }
.prose { max-width: 76ch; }
.prose p, .prose li { color: #c0cdd2; }
.prose h2 { margin-top: 3rem; }
.source-list { list-style: none; padding: 0; display: grid; gap: 1rem; }
.source-list li { border-top: 1px solid var(--line); padding-top: 1rem; }
.source-list small { display: block; color: var(--muted); }
.instrument-list { display: grid; gap: .75rem; }
.instrument { display: grid; grid-template-columns: 5rem minmax(12rem,1fr) minmax(10rem,1.2fr) 8rem 8rem; gap: .8rem; align-items: center; padding: 1rem; border: 1px solid var(--line); border-radius: 12px; }
.instrument code { color: var(--gold); }
.instrument span { color: var(--muted); }
.state-pill { display: inline-flex; align-items: center; width: fit-content; padding: .25rem .55rem; border: 1px solid var(--line); border-radius: 999px; font-size: .78rem; }
.state-pill.active { color: #b6e5c1; border-color: #497a55; }
.site-footer { margin-top: 5rem; border-top: 1px solid var(--line); padding: 3rem 0; color: var(--muted); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2rem; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid a { color: var(--muted); }

@media (max-width: 900px) {
  .header-inner { flex-wrap: wrap; }
  .primary-nav { width: 100%; padding: .5rem 0 1rem; background: var(--ink); border-top: 1px solid var(--line); }
  .js .nav-toggle { display: inline-grid; place-items: center; }
  .js .primary-nav { position: absolute; top: 76px; left: 0; right: 0; width: auto; padding: .5rem 1rem 1rem; border-top: 0; border-bottom: 1px solid var(--line); display: none; }
  .js .primary-nav[data-open="true"] { display: block; }
  .primary-nav ul { align-items: stretch; flex-direction: column; }
  .primary-nav a { padding: .75rem 1rem; }
  .section-header { grid-template-columns: 1fr; gap: .5rem; }
  .instrument { grid-template-columns: 4rem 1fr 6rem 6rem; }
  .instrument .purpose { grid-column: 2 / -1; }
  .gallery-card, .gallery-card:first-child, .gallery-card:nth-child(4) { grid-column: span 6; }
  .home-hero-layout { grid-template-columns: 1fr; gap: 1rem; }
  .home-hero-visual { min-height: clamp(280px, 62vw, 420px); }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 1.25rem), var(--max)); }
  .hero { padding-top: 3rem; }
  .tracker-grid, .card-grid, .mission-grid, .footer-grid { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: 1fr; }
  .metric:nth-child(even) { padding-left: 0; border-left: 0; }
  .time-controls { grid-template-columns: 1fr; }
  .comparison-row { grid-template-columns: 1fr 1fr; }
  .comparison-row .label { grid-column: 1 / -1; background: #0d1b22; }
  .comparison-row > * { border-right: 1px solid var(--line); }
  .comparison-row > :last-child { border-right: 0; }
  .gallery-card, .gallery-card:first-child, .gallery-card:nth-child(4) { grid-column: 1 / -1; }
  .instrument { grid-template-columns: 3.5rem 1fr; }
  .instrument .purpose { grid-column: 1 / -1; }
  .instrument .state-pill { margin-right: .4rem; }
  [data-solar-map] { height: 430px; }
  .historic-milestone { grid-template-columns: 1fr; }
  .milestone-time { min-width: 0; justify-items: start; text-align: left; }
  .milestone-time strong { white-space: normal; }
  .home-hero-visual { min-height: 290px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; transition-duration: .001ms !important; }
}