:root {
  color-scheme: dark;
  --bg: #0c0d10;
  --panel: #121419;
  --panel-light: #181b21;
  --ink: #efeee9;
  --muted: #a3a5ad;
  --faint: #858995;
  --gold: #d8b76d;
  --border: #2b2e36;
  --radius: 14px;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.65;
}
a {
  color: inherit;
  text-decoration: none;
}
a:hover {
  color: var(--gold);
}
a:focus-visible,
summary:focus-visible,
button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 5px;
}
p,
h1,
h2,
h3,
dl,
dd {
  margin: 0;
}
p + p {
  margin-top: 1.1rem;
}
h1,
h2,
h3 {
  line-height: 1.1;
  letter-spacing: -0.035em;
  font-weight: 600;
}
h1 {
  font-size: clamp(3rem, 5.4vw, 4.9rem);
}
h2 {
  font-size: clamp(1.85rem, 3.1vw, 2.75rem);
}
h3 {
  font-size: 1.3rem;
}
em {
  font-style: normal;
  color: var(--gold);
}
code,
.mono,
pre,
.eyebrow,
.step-label,
.badge,
.index {
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}
code {
  font-size: 0.9em;
  color: #e8cc94;
  overflow-wrap: anywhere;
}
strong {
  font-weight: 600;
  color: var(--ink);
}
.shell {
  width: min(1160px, calc(100% - 80px));
  margin-inline: auto;
}
.skip {
  position: absolute;
  top: -100px;
  left: 24px;
  background: var(--gold);
  color: var(--bg);
  padding: 10px 20px;
  z-index: 10;
}
.skip:focus {
  top: 10px;
}
.site-header {
  border-bottom: 1px solid var(--border);
}
.navigation {
  display: flex;
  gap: 32px;
  align-items: center;
  min-height: 90px;
}
.wordmark {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 23px;
  letter-spacing: -0.05em;
  font-weight: 650;
}
.mark {
  display: grid;
  place-items: center;
  border: 1px solid #816a3e;
  border-radius: 8px;
  color: var(--gold);
  width: 32px;
  height: 32px;
  font-size: 23px;
  font-family: Georgia, serif;
}
.nav-links {
  display: flex;
  gap: 28px;
  margin-left: auto;
  font-size: 14px;
  color: var(--muted);
}
.parent-link {
  border-left: 1px solid var(--border);
  padding-left: 28px;
  font-size: 13px;
  color: var(--faint);
}
.hero {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 65px;
  padding-top: 100px;
  padding-bottom: 85px;
  align-items: center;
}
.eyebrow {
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  margin-right: 7px;
  vertical-align: middle;
}
.lead {
  font-size: 18px;
  color: var(--muted);
  line-height: 1.75;
  max-width: 52ch;
  margin-top: 28px;
}
.actions {
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 32px;
}
.button {
  display: inline-flex;
  gap: 20px;
  align-items: center;
  padding: 13px 18px;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 650;
}
.button.primary {
  background: var(--gold);
  color: #19160f;
  border-color: var(--gold);
}
.button.primary:hover {
  background: #edcd8a;
  border-color: #edcd8a;
}
.text-link {
  font-size: 14px;
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 5px;
  text-decoration-color: #675635;
}
.text-link:hover {
  text-decoration-color: var(--gold);
}
.hero-note {
  color: var(--faint);
  font-size: 12px;
  margin-top: 22px;
}
.memory-demo {
  border: 1px solid #414034;
  border-radius: var(--radius);
  background: linear-gradient(145deg, #1c1e22, var(--panel) 65%);
  box-shadow: 0 25px 80px #0004;
  overflow: hidden;
}
.panel-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  font-size: 10px;
  color: var(--muted);
}
.badge {
  color: var(--gold);
  font-size: 8px;
  letter-spacing: 0.08em;
  border: 1px solid #5b4b2f;
  border-radius: 3px;
  padding: 3px 5px;
  white-space: nowrap;
}
.memory-step {
  padding: 27px 28px;
}
.step-label {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--gold);
  display: block;
  margin-bottom: 12px;
}
.memory-step p {
  font-size: 16px;
  line-height: 1.8;
}
.metadata {
  display: block;
  color: var(--faint);
  font-size: 11px;
  margin-top: 10px;
}
.restart-divider {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #9c8c6b;
  font-size: 10px;
  padding: 0 28px;
}
.restart-divider > span:first-child,
.restart-divider > span:last-child {
  height: 1px;
  flex: 1;
  background: #514730;
}
.restart-divider .mono {
  white-space: nowrap;
}
.memory-step .query {
  font-size: 13px;
  color: var(--muted);
}
.answer {
  background: #d8b76d09;
  border-left: 2px solid var(--gold);
  padding: 11px 16px;
  margin-top: 15px !important;
}
.answer .metadata {
  margin-top: 0;
}
.demo-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  background: #ffffff03;
  padding: 15px 24px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--muted);
}
.value-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding-block: 31px;
}
.value-strip > div {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.index {
  color: var(--gold);
  font-size: 11px;
  padding-top: 3px;
}
.value-strip p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.8;
}
.value-strip strong {
  font-size: 14px;
}
.section {
  padding-top: 90px;
}
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}
.prose {
  color: var(--muted);
}
.prose .text-link {
  display: inline-block;
  margin-top: 20px;
}
.research-card {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 75px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 44px;
}
.research-card p:not(.eyebrow) {
  max-width: 60ch;
  color: var(--muted);
  margin-top: 22px;
  font-size: 14px;
}
.research-card .text-link {
  display: inline-block;
  margin-top: 22px;
}
.research-stats {
  border-left: 1px solid var(--border);
  padding-left: 44px;
  display: grid;
  align-content: center;
  gap: 28px;
}
.research-stats dt {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 4px;
}
.research-stats dd {
  font-size: 35px;
  letter-spacing: -0.04em;
  font-weight: 500;
  line-height: 1.25;
}
.research-stats dd span {
  display: block;
  color: var(--faint);
  font-size: 11px;
  letter-spacing: 0;
  font-weight: 400;
  margin-top: 5px;
}
.last-section {
  padding-bottom: 95px;
}
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 29px;
  color: var(--faint);
  font-size: 12px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: center;
}
.footer-inner p {
  display: flex;
  gap: 20px;
  align-items: center;
}
.footer-brand {
  font-size: 18px;
  color: var(--ink);
  letter-spacing: -0.04em;
}
.footer-inner > div {
  display: flex;
  gap: 24px;
}
.article {
  max-width: 900px;
  padding-top: 65px;
  padding-bottom: 90px;
}
.breadcrumb {
  color: var(--faint);
  font-size: 12px;
  margin-bottom: 35px;
}
.breadcrumb span {
  margin-inline: 9px;
}
.article h1 {
  font-size: clamp(2.5rem, 4.8vw, 4.2rem);
  max-width: 800px;
}
.article .lead {
  max-width: 70ch;
}
.article-section {
  margin-top: 55px;
}
.article-section h2 {
  font-size: 27px;
  margin-bottom: 19px;
}
.article-section h3 {
  margin: 26px 0 12px;
}
.article-section > p {
  max-width: 78ch;
  color: var(--muted);
}
.article-section ul,
.article-section ol {
  padding-left: 24px;
  color: var(--muted);
  margin-block: 17px;
}
.article-section li {
  padding-left: 3px;
  margin-block: 9px;
}
.callout {
  padding: 23px 27px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--gold);
  border-radius: 0 8px 8px 0;
  margin-top: 28px;
  font-size: 14px;
  color: var(--muted);
}
.callout p {
  max-width: 78ch;
}
.callout strong {
  display: block;
  margin-bottom: 7px;
}
.codebox {
  background: #090a0d;
  border: 1px solid var(--border);
  border-radius: 9px;
  margin-block: 20px;
  overflow: hidden;
}
.code-label {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  color: var(--muted);
}
pre {
  font-size: 12px;
  line-height: 1.9;
  padding: 20px;
  margin: 0;
  overflow: auto;
}
pre code {
  font-size: inherit;
  overflow-wrap: normal;
  color: #e0d4ba;
}
.receipt {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 32px;
  margin-top: 22px;
  border-top: 1px solid var(--border);
}
.receipt > div {
  padding-block: 13px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 15px;
  font-size: 12px;
}
.receipt dt {
  color: var(--muted);
}
.receipt dd {
  color: #9fcda8;
}
.receipt-links {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 23px;
}
.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-block: 22px;
}
table {
  border-collapse: collapse;
  width: 100%;
  font-size: 12px;
  text-align: left;
}
th {
  color: var(--muted);
  font-weight: 500;
  background: var(--panel);
  white-space: normal;
}
th,
td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
td {
  font-variant-numeric: tabular-nums;
}
tbody tr:last-child td,
tbody tr:last-child th {
  border-bottom: 0;
}
td small {
  display: block;
  color: var(--faint);
  margin-top: 3px;
  white-space: nowrap;
}
td.current {
  color: var(--gold);
}
.small-note {
  font-size: 12px !important;
  color: var(--faint) !important;
}
.inline-link {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article details {
  margin-top: 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 17px 22px;
}
.article summary {
  cursor: pointer;
  font-size: 14px;
  color: var(--ink);
}
.article details .codebox {
  margin-bottom: 3px;
}
.steps {
  counter-reset: steps;
  list-style: none;
  padding: 0 !important;
}
.steps li {
  padding: 0 0 24px 45px;
  position: relative;
}
.steps li:before {
  counter-increment: steps;
  content: counter(steps, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: monospace;
  color: var(--gold);
  font-size: 12px;
}
.steps strong {
  display: block;
  margin-bottom: 5px;
}
.breakable {
  overflow-wrap: anywhere;
}
.next-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  margin-top: 55px;
  padding: 24px 27px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--panel);
}
.next-link small {
  display: block;
  color: var(--faint);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}
.next-link span:last-child {
  color: var(--gold);
}
@media (min-width: 1500px) {
  .hero {
    padding-top: 120px;
    padding-bottom: 105px;
  }
}
@media (max-width: 1000px) {
  .shell {
    width: calc(100% - 48px);
  }
  .hero {
    gap: 35px;
    padding-top: 75px;
  }
  .hero h1 {
    font-size: 52px;
  }
  .hero .lead {
    font-size: 16px;
  }
  .actions {
    gap: 18px;
  }
  .hero .button {
    font-size: 12px;
    gap: 12px;
  }
  .panel-heading {
    padding-inline: 18px;
  }
  .memory-step {
    padding: 24px 22px;
  }
  .split-section {
    gap: 45px;
  }
  .research-card {
    gap: 35px;
    padding: 32px;
  }
  .research-stats {
    padding-left: 30px;
  }
  .nav-links {
    gap: 20px;
  }
  .parent-link {
    padding-left: 20px;
  }
  .navigation {
    gap: 20px;
  }
}
@media (max-width: 740px) {
  .shell {
    width: calc(100% - 40px);
  }
  .navigation {
    min-height: 80px;
    flex-wrap: wrap;
    justify-content: space-between;
    padding-block: 19px;
    gap: 17px;
  }
  .nav-links {
    order: 3;
    flex-basis: 100%;
    margin: 0;
    gap: 25px;
    font-size: 12px;
  }
  .parent-link {
    border: 0;
    padding: 0;
  }
  .wordmark {
    font-size: 22px;
  }
  .hero {
    grid-template-columns: 1fr;
    padding-top: 53px;
    padding-bottom: 45px;
    gap: 40px;
  }
  .hero h1 {
    font-size: clamp(43px, 10vw, 66px);
  }
  .hero .lead {
    max-width: 55ch;
  }
  .hero-note {
    max-width: 43ch;
    line-height: 1.7;
  }
  .hero .actions {
    gap: 23px;
  }
  .memory-demo {
    max-width: 530px;
    width: 100%;
  }
  .panel-heading {
    font-size: 9px;
  }
  .value-strip {
    grid-template-columns: 1fr;
    gap: 22px;
    padding-block: 27px;
  }
  .value-strip p br {
    display: none;
  }
  .value-strip strong {
    margin-right: 6px;
  }
  .value-strip > div {
    gap: 15px;
  }
  .split-section,
  .research-card {
    grid-template-columns: 1fr;
    gap: 27px;
  }
  .section {
    padding-top: 55px;
  }
  .research-card {
    padding: 26px 23px;
  }
  .research-stats {
    border-left: 0;
    border-top: 1px solid var(--border);
    padding: 24px 0 0;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .research-stats dd {
    font-size: 30px;
  }
  .research-stats dd span {
    font-size: 10px;
  }
  .last-section {
    padding-bottom: 60px;
  }
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
  }
  .footer-inner > div {
    flex-wrap: wrap;
    gap: 22px;
  }
  .article {
    padding-top: 35px;
    padding-bottom: 60px;
  }
  .article h1 {
    font-size: 43px;
  }
  .article .lead {
    font-size: 16px;
  }
  .article-section {
    margin-top: 38px;
  }
  .article-section h2 {
    font-size: 25px;
  }
  .receipt {
    grid-template-columns: 1fr;
  }
  .callout {
    padding: 20px;
  }
  .article details {
    padding: 15px;
  }
  .code-label {
    padding-inline: 15px;
  }
  pre {
    padding: 15px;
    font-size: 11px;
  }
  th,
  td {
    padding: 13px 14px;
  }
  .next-link {
    padding: 20px;
  }
  .breadcrumb {
    margin-bottom: 27px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}