:root {
  --paper: #f4f1ea;
  --paper-2: #ebe6db;
  --ink: #141717;
  --muted: #616866;
  --line: rgba(20, 23, 23, 0.14);
  --accent: #5b5cf0;
  --accent-soft: #e3e0ff;
  --white: #fffefa;
  --max: 1180px;
  --radius: 24px;
}* { box-sizing: border-box; }html { scroll-behavior: smooth; }.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--white);
  font-size: 13px;
  font-weight: 720;
  text-decoration: none;
  transition: transform .15s ease;
}.skip-link:focus {
  transform: translateY(0);
}html {
  scroll-padding-top: 104px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}button,
input { font: inherit; }a { color: inherit; }.shell { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  margin: 0;
  height: 88px;
  padding-inline: max(24px, calc((100% - var(--max)) / 2));
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 760; letter-spacing: -0.03em; text-decoration: none; font-size: 20px; }.brand img { display: block; }nav { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 620; }nav a { text-decoration: none; color: #333837; }nav a:hover { color: var(--accent); }.nav-cta { border: 1px solid var(--line); border-radius: 999px; padding: 10px 15px; background: rgba(255,255,255,.25); }.hero { padding: 60px 0 72px; }.status-pill { display: inline-flex; gap: 8px; align-items: center; padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; background: rgba(255,255,255,.28); }.status-pill .status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(91,92,240,.12); }h1 { margin: 28px 0 24px; max-width: 1120px; font-size: clamp(56px, 8.4vw, 112px); line-height: .89; letter-spacing: -.075em; font-weight: 730; }h1 em { color: var(--accent); font-style: normal; }.hero-copy { max-width: 760px; margin: 0 0 46px; color: var(--muted); font-size: clamp(18px, 2vw, 22px); line-height: 1.52; letter-spacing: -.018em; }.selector-card { max-width: 780px; background: var(--ink); color: var(--white); border-radius: 30px; padding: 30px; box-shadow: 0 22px 60px rgba(20,23,23,.11); }.selector-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; }.eyebrow { display: inline-block; color: var(--muted); font-size: 12px; font-weight: 780; letter-spacing: .11em; text-transform: uppercase; }.selector-card .eyebrow { color: #aeb5b3; }.n-display { margin-top: 8px; display: flex; gap: 12px; align-items: baseline; }#nValue { font-size: 58px; line-height: 1; font-weight: 720; letter-spacing: -.055em; font-variant-numeric: tabular-nums; }.n-unit { color: #aeb5b3; font-size: 16px; }.custom-control { display: grid; gap: 7px; justify-items: end; }.custom-control label { color: #aeb5b3; font-size: 11px; font-weight: 760; letter-spacing: .09em; text-transform: uppercase; }.custom-control input { width: 92px; border: 1px solid rgba(255,255,255,.16); border-radius: 11px; padding: 9px 10px; background: rgba(255,255,255,.055); color: var(--white); text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; outline: none; }.custom-control input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(91,92,240,.16); }input[type="range"] { width: 100%; margin: 30px 0 22px; accent-color: var(--accent); }.presets { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }.presets button { border: 1px solid rgba(255,255,255,.14); color: #d9dddc; background: rgba(255,255,255,.045); border-radius: 12px; padding: 12px 8px; cursor: pointer; transition: .18s ease; }.presets button:hover,
.presets button.active { border-color: var(--accent); background: var(--accent); color: white; transform: translateY(-1px); }.build-button { margin-top: 24px; width: 100%; border: 0; border-radius: 15px; padding: 16px 18px; display: flex; align-items: center; justify-content: space-between; background: var(--white); color: var(--ink); font-weight: 760; cursor: pointer; }.build-button:hover { background: var(--accent-soft); }.noscript-note {
  margin: 10px 0 0;
  color: #aeb5b3;
  font-size: 11px;
  line-height: 1.55;
}.build-note { min-height: 20px; margin: 14px 2px 0; color: #aeb5b3; font-size: 12px; line-height: 1.5; }.foundation { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 62px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }.foundation div { padding: 22px 22px 22px 0; border-right: 1px solid var(--line); }.foundation div:not(:first-child) { padding-left: 22px; }.foundation div:last-child { border-right: 0; }.foundation strong { display: block; font-size: 30px; letter-spacing: -.05em; }.foundation span { display: block; margin-top: 5px; color: var(--muted); font-size: 13px; }.foundation-note { max-width: 780px; margin: 12px 0 0; color: #7b817f; font-size: 11px; line-height: 1.55; }.section { padding: 112px 0; }#how {
  padding-top: 72px;
}.section-intro { display: grid; grid-template-columns: 1.15fr .85fr; column-gap: 90px; align-items: end; }.section-intro h2,
.method-grid h2,
.release-top h2 { margin: 12px 0 0; font-size: clamp(42px, 5vw, 68px); line-height: .98; letter-spacing: -.055em; }.section-intro p { margin: 0; color: var(--muted); font-size: 18px; line-height: 1.6; }.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 58px; }.steps-grid article { min-height: 285px; padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.22); display: flex; flex-direction: column; }.step-number { color: var(--accent); font-size: 12px; font-weight: 800; }.steps-grid h3 { margin: auto 0 12px; font-size: 24px; letter-spacing: -.035em; }.steps-grid p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }.method-section {
  background: var(--ink);
  color: var(--white);
  padding-bottom: 88px;
}.method-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; }.method-grid .eyebrow { color: #aeb5b3; }.method-copy { padding-top: 28px; }.method-copy p { color: #c5cac8; font-size: 17px; line-height: 1.65; }.method-copy .lead { color: var(--white); font-size: 24px; letter-spacing: -.025em; }.method-copy strong { color: white; }.text-link { display: inline-flex; gap: 8px; margin-top: 18px; color: white; text-decoration: none; font-weight: 700; border-bottom: 1px solid #666e6b; padding-bottom: 5px; }.text-link:hover { color: #b9b8ff; }.method-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 68px;
  border-top: 1px solid rgba(255,255,255,.15);
  border-bottom: 1px solid rgba(255,255,255,.15);
}.method-facts article {
  min-height: 250px;
  padding: 24px 24px 26px 0;
  border-right: 1px solid rgba(255,255,255,.15);
}.method-facts article:not(:first-child) {
  padding-left: 24px;
}.method-facts article:last-child {
  border-right: 0;
}.method-facts article > span {
  color: #8d8df8;
  font-size: 11px;
  font-weight: 800;
}.method-facts h3 {
  margin: 62px 0 10px;
  font-size: 19px;
  letter-spacing: -.025em;
}.method-facts p {
  margin: 0;
  color: #aeb5b3;
  font-size: 13px;
  line-height: 1.6;
}.validation-section {
  padding-top: 104px;
}.validation-heading {
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: 90px;
  align-items: end;
}.validation-heading h2 {
  margin: 12px 0 0;
  font-size: clamp(42px, 5vw, 68px);
  line-height: .98;
  letter-spacing: -.055em;
}.validation-heading-copy {
  max-width: 600px;
  justify-self: end;
}.validation-heading-copy p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}.validation-state {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  border: 1px solid rgba(91,92,240,.17);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--ink);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: .025em;
}.validation-state-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(91,92,240,.11);
}.validation-summary {
  display: grid;
  grid-template-columns: .7fr 1.3fr auto;
  gap: 40px;
  align-items: center;
  margin-top: 32px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}.validation-summary strong {
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: -.02em;
}.validation-summary p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}.validation-summary a {
  color: var(--ink);
  font-size: 12px;
  font-weight: 720;
  text-decoration: none;
  white-space: nowrap;
}.validation-summary a:hover {
  color: var(--accent);
}.release-intro {
  max-width: 570px;
  margin: 18px 0 0;
  color: #555b59;
  font-size: 15px;
  line-height: 1.6;
}.release-identity {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 48px;
  border-top: 1px solid rgba(20,23,23,.18);
  border-bottom: 1px solid rgba(20,23,23,.18);
}.release-identity div {
  padding: 18px 18px 18px 0;
  border-right: 1px solid rgba(20,23,23,.18);
}.release-identity div:not(:first-child) {
  padding-left: 18px;
}.release-identity div:last-child {
  border-right: 0;
}.release-identity span {
  display: block;
  color: var(--muted);
  font-size: 10px;
  font-weight: 760;
  letter-spacing: .08em;
  text-transform: uppercase;
}.release-identity strong {
  display: block;
  margin-top: 6px;
  font-size: 18px;
  letter-spacing: -.025em;
}.release-history {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 50px;
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid rgba(20,23,23,.18);
}.release-history strong {
  display: block;
  margin-top: 9px;
  font-size: 18px;
}.release-history p {
  margin: 0;
  color: #555b59;
  font-size: 13px;
  line-height: 1.6;
}.release-card { border-radius: 32px; background: var(--accent-soft); padding: 44px; }.release-top { display: flex; justify-content: space-between; gap: 30px; align-items: flex-start; }.release-badge { min-width: 180px; padding: 18px; border-radius: 17px; background: rgba(255,255,255,.55); border: 1px solid rgba(91,92,240,.15); }.release-badge span { display: block; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; font-weight: 750; }.release-badge strong { display: block; margin-top: 8px; font-size: 26px; letter-spacing: -.04em; }.release-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 58px; }.release-grid div { padding-top: 18px; border-top: 1px solid rgba(20,23,23,.18); }.release-grid h3 { margin: 0 0 8px; font-size: 18px; }.release-grid p { margin: 0; color: #555b59; line-height: 1.55; font-size: 14px; }.origin-section { padding-top: 28px; }.origin-card { display: grid; grid-template-columns: .35fr 1.65fr; gap: 38px 70px; padding: 46px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }.origin-card blockquote { grid-column: 2; margin: 0; font-size: clamp(30px, 4vw, 52px); line-height: 1.08; letter-spacing: -.045em; font-weight: 640; }.origin-card p { grid-column: 2; max-width: 780px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.65; }.site-footer { padding: 48px 0 60px; display: flex; justify-content: space-between; align-items: flex-end; gap: 30px; }.footer-brand { font-size: 18px; }.site-footer p { margin: 9px 0 0; color: var(--muted); font-size: 13px; }.footer-meta { display: flex; gap: 22px; color: var(--muted); font-size: 12px; }.footer-meta a { text-decoration: none; }.footer-meta a:hover { color: var(--accent); }.result-panel {
  max-width: 780px;
  margin-top: 16px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255,255,255,.38);
}.result-panel[hidden] {
  display: none;
}.result-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: start;
}.result-header h2 {
  margin: 9px 0 10px;
  max-width: 520px;
  font-size: 30px;
  line-height: 1.05;
  letter-spacing: -.045em;
}.result-header p {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}.result-n {
  min-width: 120px;
  text-align: right;
}.result-n strong {
  display: block;
  font-size: 42px;
  line-height: 1;
  letter-spacing: -.055em;
  font-variant-numeric: tabular-nums;
}.result-n span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 11px;
}.result-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 28px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}.result-meta div {
  padding: 17px 18px 17px 0;
  border-right: 1px solid var(--line);
}.result-meta div:not(:first-child) {
  padding-left: 18px;
}.result-meta div:last-child {
  border-right: 0;
}.result-meta span {
  display: block;
  color: var(--muted);
  font-size: 10px;
  font-weight: 760;
  letter-spacing: .08em;
  text-transform: uppercase;
}.result-meta strong {
  display: block;
  margin-top: 6px;
  font-size: 15px;
}.result-actions {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 22px;
}.result-actions button {
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255,255,255,.35);
  color: #8a8f8d;
  font-size: 12px;
  font-weight: 700;
}.result-actions button:disabled {
  cursor: not-allowed;
  opacity: .82;
}.result-actions a {
  margin-left: auto;
  color: var(--ink);
  font-size: 12px;
  font-weight: 720;
  text-decoration: none;
}.result-actions a:hover {
  color: var(--accent);
}.result-note {
  margin: 12px 0 0;
  color: #7b817f;
  font-size: 11px;
  line-height: 1.5;
}@media (max-width: 820px) {.shell { width: 100%; padding-inline: 16px; }
.site-header { width: 100%; padding-inline: 16px; height: 72px; }nav a:not(.nav-cta) { display: none; }.hero { padding-top: 48px; }h1 { font-size: clamp(52px, 15vw, 82px); }.foundation { grid-template-columns: 1fr 1fr; }.foundation div:nth-child(2) { border-right: 0; }.foundation div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }.foundation div:nth-child(3) { padding-left: 0; grid-column: 1 / -1; border-right: 0; }.section { padding: 84px 0; }.section-intro,
.method-grid { grid-template-columns: 1fr; gap: 30px; }.steps-grid,
.release-grid { grid-template-columns: 1fr; }.method-facts { grid-template-columns: 1fr 1fr; }.method-facts article:nth-child(2) { border-right: 0; }.method-facts article:nth-child(-n+2) {
    border-bottom: 1px solid rgba(255,255,255,.15);
  }.method-facts article:nth-child(3) { padding-left: 0; }.release-history {
    grid-template-columns: 1fr;
    gap: 22px;
  }.release-identity { grid-template-columns: 1fr 1fr; }.release-identity div:nth-child(2) { border-right: 0; }.release-identity div:nth-child(-n+2) {
    border-bottom: 1px solid rgba(20,23,23,.18);
  }.release-identity div:nth-child(3) { padding-left: 0; }.steps-grid article { min-height: 220px; }.release-top { flex-direction: column; }.result-header { grid-template-columns: 1fr; }.result-n { text-align: left; }.release-badge { width: 100%; }.origin-card { grid-template-columns: 1fr; gap: 24px; }.origin-card blockquote,
.origin-card p { grid-column: 1; }
}@media (max-width: 520px) {.selector-card { padding: 22px; border-radius: 22px; }.result-panel { padding: 22px; border-radius: 22px; }.result-meta { grid-template-columns: 1fr; }.result-meta div,
.result-meta div:not(:first-child) {
    padding: 14px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }.result-meta div:last-child { border-bottom: 0; }.result-actions { align-items: stretch; flex-direction: column; }.result-actions a { margin: 7px 0 0; }.presets { grid-template-columns: repeat(3, 1fr); }.foundation { grid-template-columns: 1fr; }.foundation div,
.foundation div:not(:first-child),
.foundation div:nth-child(3) { padding: 18px 0; border-right: 0; border-bottom: 1px solid var(--line); }.foundation div:last-child { border-bottom: 0; }.release-card { padding: 28px 22px; border-radius: 24px; }.method-facts { grid-template-columns: 1fr; }.method-facts article,
.method-facts article:not(:first-child),
.method-facts article:nth-child(3) {
    min-height: 0;
    padding: 22px 0;
    border-right: 0;
    border-bottom: 1px solid rgba(255,255,255,.15);
  }.method-facts article:last-child { border-bottom: 0; }.method-facts h3 { margin-top: 38px; }.release-identity { grid-template-columns: 1fr; }.release-identity div,
.release-identity div:not(:first-child),
.release-identity div:nth-child(3) {
    padding: 14px 0;
    border-right: 0;
    border-bottom: 1px solid rgba(20,23,23,.18);
  }.release-identity div:last-child { border-bottom: 0; }.site-footer { align-items: flex-start; flex-direction: column; }
}@media (max-width: 820px) {.validation-heading,
.validation-summary {
    grid-template-columns: 1fr;
    gap: 22px;
  }.validation-heading-copy {
    justify-self: start;
  }
}@media (prefers-reduced-motion: reduce) {html { scroll-behavior: auto; }*,
*::before,
*::after { transition: none !important; }
}/* ==========================================================
   Purpose-led homepage additions
   ========================================================== */

.hero-question {
  max-width: 760px;
  margin: 28px 0 -8px;
  color: var(--ink);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.45;
  font-weight: 680;
  letter-spacing: -.025em;
}.selector-tradeoff {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: center;
  margin-top: 22px;
  padding: 15px 16px;
  border: 1px solid rgba(255,255,255,.11);
  border-radius: 13px;
  color: #aeb5b3;
  font-size: 11px;
  line-height: 1.45;
}.selector-tradeoff span:last-child {
  text-align: right;
}.selector-tradeoff strong {
  display: block;
  color: var(--white);
  font-size: 12px;
  font-weight: 720;
}.science-figure {
  margin: 0;
}.science-figure img {
  display: block;
  width: 100%;
  height: auto;
}.science-figure figcaption {
  margin-top: 10px;
  color: #7a807e;
  font-size: 10px;
  line-height: 1.5;
}/* Why */

.why-section {
  padding-top: 92px;
}.why-layout {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 78px;
  align-items: center;
}.section-intro-copy h2 {
  margin: 12px 0 24px;
  font-size: clamp(40px, 4.8vw, 66px);
  line-height: .99;
  letter-spacing: -.055em;
}.section-intro-copy p {
  max-width: 620px;
  margin: 0 0 15px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.67;
}.universe-panel-figure {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255,255,255,.26);
}.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 50px;
}.problem-grid article {
  min-height: 230px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255,255,255,.2);
  display: flex;
  flex-direction: column;
}.problem-grid article.problem-featured {
  border-color: rgba(91,92,240,.25);
  background: var(--accent-soft);
}.problem-label {
  color: var(--accent);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .09em;
  text-transform: uppercase;
}.problem-grid h3 {
  margin: auto 0 10px;
  font-size: 21px;
  line-height: 1.15;
  letter-spacing: -.035em;
}.problem-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.58;
}/* Scale */

.scale-section {
  background: #ebe6db;
}.scale-heading {
  display: grid;
  grid-template-columns: 1fr .85fr;
  gap: 90px;
  align-items: end;
}.scale-heading h2 {
  margin: 12px 0 0;
  font-size: clamp(42px, 5vw, 68px);
  line-height: .98;
  letter-spacing: -.055em;
}.scale-heading-copy p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}.nested-panel-figure {
  margin-top: 54px;
  padding: 12px 24px 18px;
  border: 1px solid rgba(20,23,23,.12);
  border-radius: 28px;
  background: rgba(255,255,255,.42);
}.use-scale-heading {
  display: grid;
  grid-template-columns: .55fr 1.45fr;
  gap: 46px;
  align-items: start;
  margin-top: 54px;
  padding-top: 28px;
  border-top: 1px solid rgba(20,23,23,.14);
}.use-scale-heading p {
  max-width: 700px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}.use-scale-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 26px;
}.use-scale-grid article {
  min-height: 220px;
  padding: 23px;
  border: 1px solid rgba(20,23,23,.13);
  border-radius: 19px;
  background: rgba(255,255,255,.27);
}.use-scale-grid strong {
  display: block;
  color: var(--accent);
  font-size: 32px;
  line-height: 1;
  letter-spacing: -.05em;
}.use-scale-grid span {
  display: block;
  margin-top: 32px;
  font-size: 16px;
  font-weight: 720;
  letter-spacing: -.025em;
}.use-scale-grid p {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.58;
}/* Coverage */

.coverage-section {
  background: #1a1e1d;
  color: var(--white);
}.coverage-section .eyebrow {
  color: #aeb5b3;
}.coverage-layout {
  display: grid;
  grid-template-columns: .83fr 1.17fr;
  gap: 72px;
  align-items: center;
}.coverage-copy h2 {
  margin: 12px 0 24px;
  font-size: clamp(42px, 5vw, 68px);
  line-height: .98;
  letter-spacing: -.055em;
}.coverage-copy > p {
  margin: 0 0 14px;
  color: #bcc2c0;
  font-size: 15px;
  line-height: 1.67;
}.coverage-metrics {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 30px;
  border-top: 1px solid rgba(255,255,255,.13);
}.coverage-metrics div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 20px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(255,255,255,.13);
}.coverage-metrics span {
  color: #8d8df8;
  font-size: 11px;
  font-weight: 760;
  text-transform: uppercase;
  letter-spacing: .06em;
}.coverage-metrics strong {
  color: #e5e8e7;
  font-size: 13px;
  font-weight: 650;
}.nearest-distance-figure {
  padding: 14px 18px 18px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 28px;
  background: rgba(255,255,255,.025);
}.nearest-distance-figure figcaption {
  color: #8e9693;
}.coverage-release-preview {
  margin-top: 58px;
  border-top: 1px solid rgba(255,255,255,.14);
  border-bottom: 1px solid rgba(255,255,255,.14);
}.coverage-release-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 24px 0;
}.coverage-release-top strong {
  display: block;
  margin-top: 6px;
  font-size: 18px;
  letter-spacing: -.025em;
}.pending-badge {
  padding: 8px 11px;
  border: 1px solid rgba(141,141,248,.28);
  border-radius: 999px;
  color: #b8b8ff;
  background: rgba(91,92,240,.08);
  font-size: 10px;
  font-weight: 760;
  letter-spacing: .06em;
  text-transform: uppercase;
  white-space: nowrap;
}/* Defined universe */

.universe-heading {
  display: grid;
  grid-template-columns: 1fr .95fr;
  gap: 88px;
  align-items: end;
}.universe-heading h2 {
  margin: 12px 0 0;
  font-size: clamp(42px, 5vw, 68px);
  line-height: .98;
  letter-spacing: -.055em;
}.universe-heading-copy p {
  margin: 0 0 13px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.67;
}.universe-path {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr auto 1fr;
  gap: 14px;
  align-items: center;
  margin-top: 54px;
}.universe-path div {
  min-height: 116px;
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: rgba(255,255,255,.22);
}.universe-path span {
  display: block;
  color: var(--accent);
  font-size: 10px;
  font-weight: 800;
}.universe-path strong {
  display: block;
  margin-top: 44px;
  font-size: 15px;
}.universe-path i {
  color: #8b918f;
  font-style: normal;
}.universe-boundary {
  display: grid;
  grid-template-columns: .35fr 1.65fr;
  gap: 50px;
  margin-top: 34px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}.universe-boundary p {
  max-width: 850px;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}/* Release changes */

.release-change {
  display: grid;
  grid-template-columns: .7fr 1.3fr;
  gap: 54px;
  align-items: center;
  margin-top: 52px;
  padding-top: 34px;
  border-top: 1px solid rgba(20,23,23,.18);
}.release-change-copy h3 {
  margin: 10px 0 13px;
  max-width: 390px;
  font-size: 25px;
  line-height: 1.1;
  letter-spacing: -.04em;
}.release-change-copy p {
  margin: 0;
  color: #555b59;
  font-size: 13px;
  line-height: 1.62;
}.release-change-figure {
  padding: 12px 16px 15px;
  border: 1px solid rgba(20,23,23,.13);
  border-radius: 22px;
  background: rgba(255,255,255,.34);
}/* Citation */

.cite-section {
  padding-top: 78px;
}.cite-layout {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 78px;
  align-items: start;
}.cite-layout h2 {
  margin: 12px 0 22px;
  font-size: clamp(38px, 4.5vw, 60px);
  line-height: 1;
  letter-spacing: -.05em;
}.cite-layout > div:first-child p {
  max-width: 540px;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.67;
}.methods-card {
  padding: 30px;
  border-radius: 25px;
  background: var(--ink);
  color: var(--white);
}.methods-card .eyebrow {
  color: #aeb5b3;
}.methods-card > p {
  margin: 22px 0 26px;
  color: #e2e5e4;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.7;
}.citation-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}.citation-actions button {
  padding: 10px 12px;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 10px;
  background: rgba(255,255,255,.045);
  color: #909795;
  font-size: 11px;
  font-weight: 700;
}.citation-actions button:disabled {
  cursor: not-allowed;
}.methods-card small {
  display: block;
  margin-top: 17px;
  color: #8f9794;
  font-size: 10px;
  line-height: 1.5;
}.free-strip {
  display: grid;
  grid-template-columns: .35fr 1.65fr;
  gap: 50px;
  margin-top: 48px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}.free-strip strong {
  font-size: 20px;
  letter-spacing: -.025em;
}.free-strip p {
  max-width: 820px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}/* Responsive additions */

@media (max-width: 980px) {
  nav {
    gap: 18px;
  }

  nav a {
    font-size: 12px;
  }
}@media (max-width: 820px) {.why-layout,
.scale-heading,
.coverage-layout,
.universe-heading,
.cite-layout,
.release-change {
    grid-template-columns: 1fr;
    gap: 34px;
  }.problem-grid,
.use-scale-grid {
    grid-template-columns: 1fr 1fr;
  }.use-scale-heading,
.universe-boundary,
.free-strip {
    grid-template-columns: 1fr;
    gap: 18px;
  }.universe-path {
    grid-template-columns: 1fr;
    gap: 9px;
  }.universe-path i {
    justify-self: center;
    transform: rotate(90deg);
  }.universe-path div {
    min-height: 86px;
  }.universe-path strong {
    margin-top: 25px;
  }
}@media (max-width: 520px) {.hero-question {
    margin-top: 22px;
  }.selector-tradeoff {
    grid-template-columns: 1fr;
  }.selector-tradeoff > span:nth-child(2) {
    transform: rotate(90deg);
    justify-self: center;
  }.selector-tradeoff span:last-child {
    text-align: left;
  }.problem-grid,
.use-scale-grid {
    grid-template-columns: 1fr;
  }.problem-grid article,
.use-scale-grid article {
    min-height: 0;
  }.coverage-release-top {
    align-items: flex-start;
    flex-direction: column;
  }.science-figure {
    overflow: hidden;
  }.universe-panel-figure,
.nested-panel-figure,
.nearest-distance-figure,
.release-change-figure {
    padding: 8px;
    border-radius: 18px;
  }.methods-card {
    padding: 22px;
    border-radius: 20px;
  }
}/* ==========================================================
   Homepage compression pass
   ========================================================== */

/* Keep the accessibility control clear of the brand when focused. */
.skip-link {
  left: 50%;
  transform: translate(-50%, -160%);
}.skip-link:focus {
  transform: translate(-50%, 0);
}/* Coverage is important,
but should not dominate two screens. */
.coverage-section {
  padding-top: 92px;
  padding-bottom: 92px;
}.coverage-copy h2 {
  font-size: clamp(38px, 4.25vw, 58px);
  line-height: 1;
}.coverage-layout {
  gap: 64px;
}.coverage-release-preview {
  margin-top: 40px;
}.coverage-n-preview {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-top: 1px solid rgba(255,255,255,.13);
  border-bottom: 1px solid rgba(255,255,255,.13);
}.coverage-n-preview span {
  padding: 15px 8px;
  border-right: 1px solid rgba(255,255,255,.1);
  color: white;
  text-align: center;
  font-size: 14px;
  font-weight: 720;
  font-variant-numeric: tabular-nums;
}.coverage-n-preview span:last-child {
  border-right: 0;
}.coverage-preview-note {
  max-width: 720px;
  margin: 15px 0 0;
  color: #919a97;
  font-size: 11px;
  line-height: 1.55;
}/* Method now carries only the core selection principle. */
.method-section {
  padding-top: 92px;
  padding-bottom: 88px;
}.method-grid {
  gap: 72px;
}.method-facts {
  margin-top: 54px;
}.method-facts article {
  min-height: 212px;
}.method-facts h3 {
  margin-top: 42px;
}/* Replace large validation cards with a compact roadmap. */
.validation-section {
  padding-top: 90px;
  padding-bottom: 90px;
}.validation-roadmap {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  margin-top: 48px;
}.validation-node {
  position: relative;
  min-width: 0;
  padding: 22px 18px 0 0;
  border-top: 2px solid #c8cbc7;
}.validation-node:not(:first-child) {
  padding-left: 18px;
}.validation-node::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #aeb3b0;
  box-shadow: 0 0 0 4px var(--paper);
}.validation-node.complete {
  border-top-color: #607e6f;
}.validation-node.complete::before {
  background: #607e6f;
}.validation-node.current {
  border-top-color: var(--accent);
}.validation-node.current::before {
  background: var(--accent);
}.validation-node > span {
  display: block;
  color: var(--accent);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .06em;
}.validation-node strong {
  display: block;
  margin-top: 24px;
  min-height: 38px;
  font-size: 14px;
  line-height: 1.28;
  letter-spacing: -.02em;
}.validation-node small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 740;
  letter-spacing: .07em;
  text-transform: uppercase;
}.validation-node.complete small {
  color: #607e6f;
}.validation-node.current small {
  color: var(--accent);
}.validation-summary {
  margin-top: 38px;
}/* Slightly tighter figures. */
.nested-panel-figure {
  margin-top: 46px;
}.why-section {
  padding-bottom: 96px;
}.scale-section {
  padding-top: 96px;
  padding-bottom: 96px;
}/* Mobile: retain impact but reveal more of the product sooner. */
@media (max-width: 820px) {
  .validation-roadmap {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px 0;
  }

  .validation-node:nth-child(4) {
    padding-left: 0;
  }
}@media (max-width: 520px) {h1 {
    font-size: clamp(46px, 13.2vw, 72px);
    line-height: .92;
  }.hero {
    padding-top: 42px;
  }.validation-roadmap {
    grid-template-columns: 1fr 1fr;
    gap: 28px 0;
  }.validation-node,
.validation-node:not(:first-child) {
    padding-left: 0;
    padding-right: 14px;
  }.coverage-n-preview {
    grid-template-columns: repeat(3, 1fr);
  }.coverage-n-preview span:nth-child(3) {
    border-right: 0;
  }.coverage-n-preview span:nth-child(-n+3) {
    border-bottom: 1px solid rgba(255,255,255,.1);
  }.coverage-copy h2 {
    font-size: clamp(37px, 11vw, 50px);
  }
}/* ==========================================================
   Final vertical pacing
   ========================================================== */

#releases {
  padding-top: 82px;
  padding-bottom: 76px;
}.release-card {
  padding: 38px;
}.release-identity {
  margin-top: 34px;
}.release-grid {
  margin-top: 36px;
}.release-change {
  margin-top: 36px;
  padding-top: 28px;
}.release-history {
  margin-top: 30px;
}.cite-section {
  padding-top: 68px;
  padding-bottom: 68px;
}.cite-layout {
  gap: 64px;
}.cite-layout h2 {
  font-size: clamp(36px, 4vw, 54px);
}.free-strip {
  margin-top: 34px;
  padding: 22px 0;
}.origin-section {
  padding-top: 6px;
  padding-bottom: 22px;
}.origin-card {
  gap: 24px 58px;
  padding: 30px 0;
}.origin-card blockquote {
  font-size: clamp(27px, 3vw, 40px);
}.origin-card p {
  font-size: 14px;
}.site-footer {
  padding-top: 34px;
  padding-bottom: 42px;
}/* Slightly tighten the upper page without losing its rhythm. */

.foundation {
  margin-top: 48px;
}.why-section {
  padding-top: 82px;
  padding-bottom: 84px;
}.problem-grid {
  margin-top: 42px;
}.scale-section {
  padding-top: 84px;
  padding-bottom: 84px;
}.use-scale-heading {
  margin-top: 42px;
}.coverage-section {
  padding-top: 82px;
  padding-bottom: 82px;
}.universe-section {
  padding-top: 88px;
  padding-bottom: 88px;
}.method-section {
  padding-top: 82px;
  padding-bottom: 78px;
}.validation-section {
  padding-top: 82px;
  padding-bottom: 78px;
}@media (max-width: 520px) {#releases,
.cite-section,
.universe-section,
.method-section,
.validation-section,
.coverage-section,
.scale-section,
.why-section {
    padding-top: 66px;
    padding-bottom: 66px;
  }.release-card {
    padding: 24px 20px;
  }.release-change {
    margin-top: 28px;
  }.origin-card {
    padding: 24px 0;
  }.origin-card blockquote {
    font-size: 27px;
  }
}


/* ==========================================================
   Project context
   ========================================================== */

.project-meta-grid {
  grid-column: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 8px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.project-meta-grid > div {
  min-width: 0;
  padding: 20px 20px 20px 0;
  border-right: 1px solid var(--line);
}

.project-meta-grid > div:not(:first-child) {
  padding-left: 20px;
}

.project-meta-grid > div:last-child {
  border-right: 0;
}

.project-meta-grid span {
  display: block;
  color: var(--muted);
  font-size: 9px;
  font-weight: 780;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.project-meta-grid strong {
  display: block;
  margin-top: 8px;
  font-size: 16px;
  line-height: 1.2;
  letter-spacing: -.025em;
}

.project-meta-grid small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.55;
}

@media (max-width: 820px) {
  .project-meta-grid {
    grid-column: 1;
    grid-template-columns: 1fr 1fr;
  }

  .project-meta-grid > div:nth-child(2) {
    border-right: 0;
  }

  .project-meta-grid > div:nth-child(-n+2) {
    border-bottom: 1px solid var(--line);
  }

  .project-meta-grid > div:nth-child(3) {
    padding-left: 0;
  }
}

@media (max-width: 520px) {
  .project-meta-grid {
    grid-template-columns: 1fr;
  }

  .project-meta-grid > div,
  .project-meta-grid > div:not(:first-child),
  .project-meta-grid > div:nth-child(3) {
    padding: 16px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .project-meta-grid > div:last-child {
    border-bottom: 0;
  }
}


/* ==========================================================
   Mobile typography safety
   Prevent heavy display type from visually colliding.
   ========================================================== */

@media (max-width: 520px) {

  h1 {
    line-height: .99;
    letter-spacing: -.062em;
  }

  .section-intro-copy h2,
  .scale-heading h2,
  .coverage-copy h2,
  .universe-heading h2,
  .method-grid h2,
  .validation-heading h2,
  .release-top h2,
  .cite-layout h2 {
    line-height: 1.03;
    letter-spacing: -.045em;
  }

  .origin-card blockquote {
    line-height: 1.08;
    letter-spacing: -.038em;
  }

  .footer-meta {
    width: 100%;
    flex-wrap: wrap;
    column-gap: 18px;
    row-gap: 10px;
  }
}

/* Selector-v1 reference-panel publication state. */
.result-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255,255,255,.55);
  color: var(--ink);
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
}
.result-download:hover { border-color: rgba(91,92,240,.42); color: var(--accent); }
.result-download.disabled {
  pointer-events: none;
  color: #8a8f8d;
  background: rgba(255,255,255,.25);
}
.validation-summary code,
.release-intro code,
.release-history code,
.methods-card code {
  font: inherit;
  font-variant-numeric: tabular-nums;
}

/* ==========================================================
   BacSelect release countdown + download metrics
   ========================================================== */

.release-countdown {
  min-width: 230px;
}

.release-countdown strong {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.release-countdown small {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.45;
}

.result-usage {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 14px;
}

.result-usage > div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 20px;
  align-items: baseline;
  padding: 15px 17px;
  border: 1px solid rgba(20,23,23,.10);
  border-radius: 14px;
  background: rgba(255,255,255,.28);
}

.result-usage span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 720;
}

.result-usage span strong {
  color: var(--ink);
}

.result-usage > div > strong {
  font-size: 23px;
  line-height: 1;
  letter-spacing: -.04em;
  font-variant-numeric: tabular-nums;
}

.result-usage small {
  grid-column: 1 / -1;
  color: #7b817f;
  font-size: 10px;
  line-height: 1.45;
}

.download-menu {
  position: relative;
}

.download-menu > summary {
  list-style: none;
  cursor: pointer;
}

.download-menu > summary::-webkit-details-marker {
  display: none;
}

.download-menu > summary::after {
  content: "↓";
  margin-left: 9px;
  font-size: 11px;
}

.download-menu[open] > summary {
  border-color: rgba(91,92,240,.42);
  color: var(--accent);
}

.download-menu-list {
  position: absolute;
  z-index: 40;
  top: calc(100% + 8px);
  left: 0;
  width: 245px;
  padding: 7px;
  border: 1px solid rgba(20,23,23,.13);
  border-radius: 14px;
  background: #f8f6f1;
  box-shadow: 0 18px 50px rgba(20,23,23,.12);
}

.download-option {
  display: block;
  margin: 0 !important;
  padding: 10px 11px;
  border-radius: 9px;
  color: var(--ink);
  text-decoration: none;
  cursor: pointer;
}

.download-option:hover {
  background: rgba(91,92,240,.07);
  color: var(--accent);
}

.download-option strong,
.download-option span {
  display: block;
}

.download-option strong {
  font-size: 12px;
  line-height: 1.3;
}

.download-option span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.35;
}

.download-option.disabled {
  pointer-events: none;
  cursor: default;
  opacity: .43;
}

.result-actions #referenceProvenance {
  margin-left: 0;
}

.result-actions > #resultRepoLink {
  margin-left: auto;
}

@media (max-width: 520px) {
  .release-countdown {
    min-width: 0;
  }

  .download-menu {
    width: 100%;
  }

  .download-menu > summary {
    width: 100%;
  }

  .download-menu-list {
    position: static;
    width: 100%;
    margin-top: 7px;
    box-shadow: none;
  }

  .result-usage > div {
    grid-template-columns: 1fr;
  }

  .result-usage small {
    grid-column: 1;
  }

  .result-actions > #resultRepoLink {
    margin-left: 0;
  }
}