:root {
  --ink: #f2e9e2;
  --paper: #15101a;
  --paper-soft: #1d1521;
  --plate: #0d0b12;
  --plate-blue: #17202a;
  --muted: #b9a8ad;
  --faint: #82737b;
  --line: rgba(242, 233, 226, .18);
  --signal: #f5b566;
  --signal-soft: #e9d39e;
  --cyan: #94d4dd;
  --pink: #e58b9d;
  --hot: #ff7b65;
  --sans: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --display: "Space Grotesk", "Arial Narrow", sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --shell: min(1180px, calc(100% - 64px));
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; background: var(--paper); }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 73% 4%, rgba(177, 75, 111, .13), transparent 25rem),
    radial-gradient(circle at 8% 50%, rgba(64, 115, 140, .08), transparent 34rem),
    var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .045;
  background-image: radial-gradient(rgba(255, 255, 255, .18) .5px, transparent .7px);
  background-size: 5px 5px;
  z-index: 20;
}

a { color: var(--signal-soft); text-underline-offset: .16em; }
a:hover { color: #fff5dc; }
button, input, select { font: inherit; }
button, select { color: var(--ink); }

.shell { width: var(--shell); margin-inline: auto; }
.narrow { max-width: 850px; }
.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 30;
  padding: .55rem .8rem;
  color: var(--paper);
  background: var(--signal);
}
.skip-link:focus { top: 1rem; }
.visually-hidden, .sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
}

.site-header {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 74px;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .11em;
  text-transform: uppercase;
}
.wordmark { color: var(--ink); text-decoration: none; font-weight: 600; letter-spacing: .02em; text-transform: none; font-family: var(--display); font-size: .95rem; }
.header-context { color: var(--faint); justify-self: center; }
.lang-switch { justify-self: end; display: flex; gap: .55rem; align-items: center; }
.lang-switch a { color: var(--muted); text-decoration: none; }
.lang-switch a[aria-current="page"] { color: var(--signal); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(400px, 1.1fr);
  gap: clamp(2rem, 6vw, 7rem);
  align-items: center;
  min-height: 760px;
  padding-block: 88px 70px;
}
.hero-copy { position: relative; z-index: 1; }
.eyebrow, .section-index, .plate-corner, .ledger-label, .readout-label {
  color: var(--signal);
  font-family: var(--mono);
  font-size: .68rem;
  line-height: 1.4;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.eyebrow { margin: 0 0 1.6rem; }
.eyebrow span, .section-index span { color: var(--faint); padding-inline: .35em; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--display); font-weight: 600; letter-spacing: -.045em; }
h1 { max-width: 720px; margin-bottom: 1.4rem; font-size: clamp(4.6rem, 9vw, 9.2rem); line-height: .83; }
h1 em { color: var(--pink); font-style: normal; }
h2 { margin-bottom: 1.2rem; font-size: clamp(2.4rem, 5vw, 5rem); line-height: .95; }
h3 { margin-bottom: .45rem; font-size: 1.15rem; letter-spacing: -.02em; }
.hero-dek { max-width: 32rem; margin-bottom: 2.2rem; color: var(--muted); font-size: 1.08rem; line-height: 1.6; }
.text-link { display: inline-flex; gap: .7rem; align-items: center; color: var(--ink); font-family: var(--mono); font-size: .76rem; letter-spacing: .08em; text-transform: uppercase; }
.text-link span { color: var(--signal); font-size: 1.2rem; }

.plate {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(148, 212, 221, .25);
  background: var(--plate);
  box-shadow: 16px 16px 0 rgba(0, 0, 0, .18), inset 0 0 0 1px rgba(255, 255, 255, .025);
}
.plate::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(115deg, rgba(255,255,255,.08), transparent 18%, transparent 75%, rgba(148,212,221,.04));
}
.hero-plate { min-height: 540px; padding: 2rem; }
.plate-corner { position: absolute; z-index: 2; color: var(--faint); font-size: .62rem; }
.plate-corner--tl { top: 1.15rem; left: 1.25rem; }
.plate-corner--tr { top: 1.15rem; right: 1.25rem; }
.star-stage { position: relative; min-height: 350px; margin-top: 2.2rem; }
.star-corona, .star-disc, .hero-planet, .crosshair { position: absolute; }
.star-corona { top: 50%; left: 50%; width: 302px; height: 302px; transform: translate(-50%, -50%); border-radius: 50%; background: radial-gradient(circle, rgba(255, 218, 151, .25) 0 38%, rgba(245, 181, 102, .16) 51%, transparent 70%); filter: blur(12px); }
.star-disc { top: 50%; left: 50%; width: 220px; height: 220px; transform: translate(-50%, -50%); border-radius: 50%; background: radial-gradient(circle at 34% 28%, #fffce6 0 4%, #fff2bd 25%, #f2bd66 57%, #ca6a54 78%, #6f2547 100%); box-shadow: 0 0 45px rgba(245,181,102,.4), inset -18px -16px 35px rgba(133,39,64,.33); }
.hero-planet { top: 50%; left: 9%; width: 23px; height: 23px; transform: translateY(-50%); border-radius: 50%; background: #08080d; box-shadow: 0 0 0 1px rgba(255,255,255,.1), 0 0 10px rgba(0,0,0,.8); animation: transit 9s linear infinite; }
.crosshair--h { top: 50%; left: 8%; right: 8%; border-top: 1px dashed rgba(148,212,221,.25); }
.crosshair--v { top: 13%; bottom: 13%; left: 50%; border-left: 1px dashed rgba(148,212,221,.25); }
@keyframes transit { from { left: 9%; } to { left: 91%; } }
.plate-readout { position: absolute; right: 2rem; bottom: 4.5rem; left: 2rem; display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--line); padding-top: 1rem; }
.plate-number { color: var(--signal); font-family: var(--display); font-size: clamp(2.7rem, 5vw, 5rem); line-height: .9; letter-spacing: -.055em; }
.plate-label { max-width: 10.5rem; color: var(--muted); font-family: var(--mono); font-size: .65rem; line-height: 1.4; text-align: right; text-transform: uppercase; }
.plate-foot { position: absolute; right: 2rem; bottom: 1.25rem; left: 2rem; display: flex; justify-content: space-between; color: var(--faint); font-family: var(--mono); font-size: .62rem; letter-spacing: .07em; text-transform: uppercase; }
.hero-stats { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.hero-stat { display: grid; gap: .3rem; padding: 1.2rem 1.3rem 1rem 0; }
.hero-stat + .hero-stat { border-left: 1px solid var(--line); padding-left: 1.3rem; }
.hero-stat strong { color: var(--ink); font-family: var(--display); font-size: clamp(1.6rem, 3vw, 2.5rem); line-height: 1; letter-spacing: -.04em; }
.hero-stat span { max-width: 17rem; color: var(--muted); font-size: .75rem; line-height: 1.45; }

.section { padding-block: clamp(5rem, 11vw, 10rem); }
.section-index { margin-bottom: 2.2rem; color: var(--faint); }
.section-index::first-letter { color: var(--signal); }
.intro { padding-top: 0; }
.intro h2 { max-width: 760px; }
.lede { max-width: 48rem; color: var(--muted); font-size: 1.15rem; line-height: 1.65; }
.two-column-copy { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; margin-top: 3rem; padding-top: 1.4rem; border-top: 1px solid var(--line); }
.two-column-copy p { color: var(--muted); font-size: .95rem; }

.lab-section { background: linear-gradient(180deg, rgba(12,17,25,.4), rgba(34,18,27,.65)); border-top: 1px solid rgba(148,212,221,.12); border-bottom: 1px solid rgba(148,212,221,.12); }
.section-heading-row { display: flex; justify-content: space-between; gap: 3rem; align-items: end; margin-bottom: 3.2rem; }
.section-heading-row h2 { max-width: 36rem; }
.formula { flex: 0 0 auto; display: grid; gap: .35rem; padding: .8rem 1rem; border-left: 2px solid var(--cyan); background: rgba(148,212,221,.07); color: var(--muted); font-family: var(--mono); font-size: .68rem; }
.formula strong { color: var(--cyan); font-size: .83rem; font-weight: 500; }
.lab-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); gap: 1.2rem; align-items: stretch; }
.scope-plate { min-height: 500px; padding: 2rem; background: radial-gradient(circle at 50% 19%, rgba(244,188,112,.12), transparent 14rem), var(--plate); }
.scope-star { position: relative; height: 170px; margin: 2.2rem auto 0; }
.scope-corona, .scope-disc, .scope-planet { position: absolute; top: 50%; left: 50%; border-radius: 50%; transform: translate(-50%, -50%); }
.scope-corona { width: 145px; height: 145px; background: radial-gradient(circle, rgba(245,181,102,.24) 0 39%, transparent 70%); filter: blur(7px); }
.scope-disc { width: 105px; height: 105px; background: radial-gradient(circle at 34% 28%, #fff9dc, #f3c56e 51%, #aa4a57 100%); box-shadow: 0 0 25px rgba(245,181,102,.35); }
.scope-planet { width: 13px; height: 13px; background: #090a0f; box-shadow: 0 0 0 1px rgba(255,255,255,.1); transition: left .15s ease; }
.scope-caption { display: flex; justify-content: space-between; margin-top: .3rem; color: var(--faint); font-family: var(--mono); font-size: .65rem; letter-spacing: .08em; text-transform: uppercase; }
#transit-canvas { display: block; width: 100%; height: 235px; margin-top: 1.5rem; }
.chart-note { margin: .4rem 0 0; color: var(--faint); font-family: var(--mono); font-size: .65rem; line-height: 1.45; }
.controls-panel { display: flex; flex-direction: column; gap: 1.3rem; padding: 1.5rem; border: 1px solid var(--line); background: rgba(7,7,11,.28); }
.control-block { display: grid; gap: .55rem; }
.control-block label { display: flex; justify-content: space-between; gap: .6rem; color: var(--ink); font-family: var(--mono); font-size: .71rem; letter-spacing: .05em; text-transform: uppercase; }
.control-block output { color: var(--signal); }
input[type="range"] { width: 100%; height: 1.7rem; margin: .2rem 0; accent-color: var(--signal); cursor: pointer; }
select { width: 100%; min-height: 46px; border: 1px solid var(--line); border-radius: 0; padding: .6rem .7rem; background: #211822; color: var(--ink); }
.control-help { margin: 0; color: var(--faint); font-size: .75rem; line-height: 1.45; }
.strong-note { color: var(--cyan); }
.preset-row { display: flex; flex-wrap: wrap; gap: .45rem; }
button { min-height: 44px; border: 1px solid var(--line); border-radius: 0; padding: .55rem .7rem; background: transparent; color: var(--muted); cursor: pointer; font-family: var(--mono); font-size: .67rem; letter-spacing: .03em; }
button:hover, button[aria-pressed="true"] { border-color: var(--signal); color: var(--signal); background: rgba(245,181,102,.08); }
.calc-readout { display: grid; grid-template-columns: 1fr; gap: .8rem; margin-top: auto; padding-top: 1.2rem; border-top: 1px solid var(--line); }
.calc-readout div { display: flex; align-items: baseline; justify-content: space-between; gap: .7rem; }
.calc-readout strong { color: var(--signal); font-family: var(--display); font-size: 1.6rem; font-weight: 500; letter-spacing: -.045em; }
.readout-label { color: var(--faint); font-size: .57rem; }

.archive-section { padding-top: clamp(6rem, 12vw, 11rem); }
.archive-big-number { display: grid; text-align: right; }
.archive-big-number strong { color: var(--pink); font-family: var(--display); font-size: clamp(3.2rem, 6vw, 6.5rem); line-height: .82; letter-spacing: -.07em; }
.archive-big-number span { color: var(--muted); font-family: var(--mono); font-size: .65rem; text-transform: uppercase; }
.archive-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 1.2rem; }
.target-picker, .distribution-panel, .facility-panel { border-top: 1px solid var(--line); padding-top: 1.1rem; }
.target-picker label { display: block; margin-bottom: .55rem; color: var(--signal); font-family: var(--mono); font-size: .67rem; letter-spacing: .11em; text-transform: uppercase; }
.target-card { min-height: 265px; margin-top: 1rem; padding: 1.2rem; border: 1px solid rgba(229,139,157,.35); background: linear-gradient(140deg, rgba(229,139,157,.1), rgba(148,212,221,.04)); }
.target-card .target-kicker { margin: 0 0 .5rem; color: var(--pink); font-family: var(--mono); font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; }
.target-card h3 { margin-bottom: .2rem; font-size: 2rem; }
.target-card .target-host { margin-bottom: 1.3rem; color: var(--muted); font-family: var(--mono); font-size: .7rem; }
.target-metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: .65rem 1rem; }
.target-metric { display: grid; gap: .16rem; }
.target-metric span { color: var(--faint); font-family: var(--mono); font-size: .58rem; letter-spacing: .06em; text-transform: uppercase; }
.target-metric strong { color: var(--ink); font-family: var(--display); font-size: 1.2rem; font-weight: 500; letter-spacing: -.035em; }
.chart-intro { max-width: 33rem; margin-bottom: 1.3rem; color: var(--muted); font-size: .82rem; line-height: 1.5; }
.bar-chart { display: flex; align-items: end; gap: clamp(.45rem, 1vw, 1rem); min-height: 245px; padding: 1rem 0 0; border-bottom: 1px solid var(--line); }
.bin-item { flex: 1; display: grid; grid-template-rows: 1fr auto; gap: .75rem; min-width: 0; height: 220px; align-items: end; }
.bin-bar-wrap { display: flex; align-items: end; height: 100%; }
.bin-bar { width: 100%; min-height: 3px; background: linear-gradient(180deg, var(--cyan), #32677d); transition: height .4s ease; }
.bin-item:nth-child(1) .bin-bar { background: linear-gradient(180deg, var(--pink), #82415b); }
.bin-label { color: var(--faint); font-family: var(--mono); font-size: .6rem; line-height: 1.25; text-align: center; }
.bin-count { display: block; margin-bottom: .2rem; color: var(--ink); font-size: .72rem; }
.chart-foot { margin: .9rem 0 0; color: var(--faint); font-family: var(--mono); font-size: .66rem; line-height: 1.5; }
.facility-panel { display: grid; grid-template-columns: .6fr 1.4fr; gap: 2rem; margin-top: 4rem; padding-top: 1.2rem; }
.facility-bars { display: grid; gap: .8rem; }
.facility-item { display: grid; grid-template-columns: minmax(100px, .7fr) 1fr auto; gap: .75rem; align-items: center; }
.facility-name, .facility-count { color: var(--muted); font-family: var(--mono); font-size: .62rem; }
.facility-count { color: var(--ink); text-align: right; }
.facility-track { height: 8px; background: rgba(148,212,221,.13); }
.facility-fill { height: 100%; background: linear-gradient(90deg, var(--signal), var(--pink)); }
.data-table-wrap { margin-top: 4rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.data-table-wrap summary { padding: 1rem 0; color: var(--signal-soft); cursor: pointer; font-family: var(--mono); font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; }
.table-scroll { overflow-x: auto; padding-bottom: 1rem; }
table { width: 100%; border-collapse: collapse; color: var(--muted); font-size: .78rem; }
th, td { padding: .7rem .8rem .7rem 0; border-top: 1px solid var(--line); text-align: left; white-space: nowrap; }
thead th { color: var(--faint); font-family: var(--mono); font-size: .62rem; font-weight: 400; letter-spacing: .05em; text-transform: uppercase; }
tbody th { color: var(--ink); font-weight: 600; }

.method-section { padding-bottom: 7rem; }
.method-section h2 { max-width: 760px; }
.source-ledger { display: grid; gap: 1rem; margin-top: 3.2rem; border-top: 1px solid var(--line); }
.source-ledger > div { display: grid; grid-template-columns: 9.5rem 1fr; gap: 1.5rem; padding-top: 1rem; border-bottom: 1px solid var(--line); }
.source-ledger p { max-width: 44rem; margin-bottom: 1rem; color: var(--muted); font-size: .85rem; }
.ledger-label { color: var(--faint); font-size: .6rem; }
.source-links { margin-top: 1.6rem; color: var(--faint); font-family: var(--mono); font-size: .68rem; }
.site-footer { display: flex; justify-content: space-between; gap: 1.5rem; padding-block: 1.4rem 2.5rem; border-top: 1px solid var(--line); color: var(--faint); font-family: var(--mono); font-size: .62rem; }
.site-footer a { color: var(--muted); }
.back-top { position: fixed; right: 1.2rem; bottom: 1.2rem; display: grid; width: 42px; height: 42px; place-items: center; border: 1px solid var(--line); background: rgba(21,16,26,.85); color: var(--signal); font-family: var(--mono); text-decoration: none; z-index: 10; }
.noscript-note { margin-bottom: 2rem; padding: 1rem; border: 1px solid var(--signal); color: var(--signal-soft); font-size: .85rem; }
.error-page { min-height: 100vh; display: grid; place-items: center; padding: 2rem; }
.error-page main { max-width: 35rem; }

@media (max-width: 900px) {
  :root { --shell: min(100% - 40px, 720px); }
  .hero { grid-template-columns: 1fr; gap: 3.5rem; padding-top: 70px; }
  .hero-plate { max-width: 640px; width: 100%; justify-self: end; }
  .hero-stats { margin-top: 1rem; }
  .lab-grid, .archive-grid { grid-template-columns: 1fr; }
  .facility-panel { grid-template-columns: 1fr; gap: 1.2rem; }
}

@media (max-width: 600px) {
  :root { --shell: calc(100% - 32px); }
  body { font-size: 15px; }
  .site-header { min-height: 62px; grid-template-columns: 1fr auto; }
  .header-context { display: none; }
  h1 { font-size: clamp(4rem, 18vw, 6.4rem); }
  h2 { font-size: clamp(2.35rem, 12vw, 4.1rem); }
  .hero { min-height: auto; padding-block: 64px 54px; }
  .hero-dek { font-size: .98rem; }
  .hero-plate { min-height: 430px; padding: 1.2rem; }
  .star-stage { min-height: 270px; }
  .star-corona { width: 225px; height: 225px; }
  .star-disc { width: 164px; height: 164px; }
  .hero-planet { width: 18px; height: 18px; }
  .plate-readout { right: 1.2rem; bottom: 4rem; left: 1.2rem; display: grid; gap: .5rem; }
  .plate-number { font-size: 3.2rem; }
  .plate-label { max-width: none; text-align: left; }
  .plate-foot { right: 1.2rem; left: 1.2rem; }
  .hero-stats { grid-template-columns: 1fr; }
  .hero-stat, .hero-stat + .hero-stat { grid-template-columns: 8.2rem 1fr; align-items: baseline; padding: .9rem 0; border-left: 0; }
  .hero-stat + .hero-stat { border-top: 1px solid var(--line); }
  .hero-stat strong { font-size: 1.7rem; }
  .section { padding-block: 5rem; }
  .section-index { margin-bottom: 1.4rem; }
  .two-column-copy { grid-template-columns: 1fr; gap: .4rem; margin-top: 2rem; }
  .section-heading-row { display: grid; gap: 1.5rem; margin-bottom: 2.1rem; }
  .formula { justify-self: start; }
  .scope-plate { min-height: 465px; padding: 1.2rem; }
  .scope-star { margin-top: 2rem; }
  .controls-panel { padding: 1.1rem; }
  .calc-readout strong { font-size: 1.4rem; }
  .archive-big-number { justify-self: start; text-align: left; }
  .archive-big-number strong { font-size: 4.4rem; }
  .facility-item { grid-template-columns: 6.3rem 1fr auto; gap: .5rem; }
  .facility-name { overflow-wrap: anywhere; }
  .source-ledger > div { grid-template-columns: 1fr; gap: .35rem; }
  .site-footer { display: grid; gap: .45rem; }
  .back-top { right: .8rem; bottom: .8rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .hero-planet { left: 50%; }
}