:root {
  --ink: #172d4f;
  --muted: #4b607e;
  --blue: #2458cb;
  --teal: #087c85;
  --purple: #6958bc;
  --paper: #fff;
  --wash: #edf3ff;
  --line: #d3def0;
  --danger: #a32d40;
  font-family: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 30px;
}
body {
  margin: 0;
  font-size: 16px;
  line-height: 1.65;
}
a {
  color: var(--blue);
  text-underline-offset: 4px;
}
a:hover {
  text-decoration-thickness: 2px;
}
a:focus-visible,
select:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--purple);
  outline-offset: 5px;
}
h1,
h2,
h3,
p,
figure {
  margin: 0;
}
h1,
h2,
h3 {
  line-height: 1.13;
  letter-spacing: -0.035em;
}
h1 {
  font-size: clamp(2.8rem, 4.4vw, 4.5rem);
  font-weight: 700;
  margin: 18px 0 25px;
  max-width: 800px;
}
h2 {
  font-size: clamp(1.9rem, 3vw, 2.7rem);
}
h3 {
  font-size: 1.1rem;
  letter-spacing: -0.015em;
}
p {
  max-width: 66ch;
}
.wrap {
  width: min(1200px, calc(100% - 80px));
  margin: auto;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 25px 0;
}
.brand {
  font-weight: 700;
  font-size: 20px;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.03em;
}
.brand-icon {
  display: inline-grid;
  place-items: center;
  border-radius: 8px;
  width: 31px;
  height: 31px;
  background: var(--blue);
  color: white;
  margin-right: 9px;
  font-size: 25px;
  font-style: italic;
}
.branch {
  font-size: 16px;
  font-weight: 500;
  color: var(--muted);
  margin-left: 5px;
  letter-spacing: 0;
}
.nav nav {
  display: flex;
  gap: 28px;
}
.nav nav a {
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
}
.nav nav a:hover {
  text-decoration: underline;
}
.hero {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 70px;
  align-items: center;
  padding: 68px 0 80px;
}
.byline {
  font-size: 14px;
  color: var(--muted);
}
.lead {
  font-size: 21px;
  line-height: 1.5;
  margin-bottom: 20px;
}
.intro > p:not(.lead) {
  color: var(--muted);
}
.actions {
  display: flex;
  align-items: center;
  gap: 23px;
  flex-wrap: wrap;
  margin-top: 30px;
}
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  background: var(--blue);
  border: 1px solid var(--blue);
  border-radius: 8px;
  padding: 12px 19px;
  color: white;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}
.button:hover {
  background: #1847ae;
}
.text-link {
  font-size: 14px;
  font-weight: 600;
}
.token-figure {
  padding: 30px 28px;
  background: var(--wash);
  border-radius: 24px 24px 8px 24px;
  min-width: 0;
}
.token-figure figcaption {
  font-weight: 650;
  font-size: 18px;
}
.token-figure figcaption > span {
  display: block;
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
  margin-top: 3px;
}
.token-row {
  display: flex;
  justify-content: space-between;
  gap: 9px;
  margin: 31px 0;
}
.token {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  border-radius: 9px;
  min-height: 77px;
  font-size: 25px;
  font-weight: 600;
}
.token > span {
  font-size: 9px;
  font-weight: 500;
  margin-top: 4px;
}
.accepted {
  background: var(--blue);
  color: white;
}
.target {
  background: var(--teal);
  color: white;
}
.rejected {
  border: 1.5px dashed var(--purple);
  color: var(--purple);
}
.accounting {
  display: flex;
  gap: 38px;
  border-top: 1px solid #bccced;
  padding-top: 18px;
}
.accounting > div {
  display: flex;
  flex-direction: column;
}
.accounting strong {
  font-size: 39px;
  letter-spacing: -0.04em;
  line-height: 1.2;
}
.accounting span {
  font-size: 12px;
  color: var(--muted);
}
.token-figure > p {
  margin-top: 25px;
  font-size: 13px;
  color: var(--muted);
}
.evidence-strip {
  background: #f6f9fe;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}
.evidence-strip > .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  padding: 16px 0;
}
.evidence-strip span {
  color: var(--muted);
}
.section {
  padding-top: 78px;
  padding-bottom: 78px;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 30px;
}
.section-heading p {
  color: var(--muted);
  margin-top: 18px;
}
.pill {
  white-space: nowrap;
  border: 1px solid #bdcae0;
  border-radius: 20px;
  padding: 5px 12px;
  font-size: 12px;
}
.explorer {
  border: 1px solid var(--line);
  border-radius: 14px;
  display: grid;
  grid-template-columns: 260px 1fr;
  overflow: hidden;
}
.explorer-controls {
  background: #f5f8fe;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.explorer-controls label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 8px;
}
.explorer-controls select {
  width: 100%;
  font: inherit;
  font-size: 14px;
  color: var(--ink);
  background: white;
  border: 1px solid #9eacc3;
  border-radius: 5px;
  padding: 10px 30px 10px 10px;
  cursor: pointer;
}
.explorer-controls p {
  font-size: 12px;
  color: var(--muted);
}
.chart-area {
  padding: 27px 30px;
  min-width: 0;
}
.chart-top {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  align-items: flex-start;
  flex-wrap: wrap;
}
.legend {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  font-size: 11px;
}
.legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.dot {
  height: 9px;
  width: 9px;
  display: inline-block;
  border-radius: 50%;
}
.shared {
  background: var(--blue);
}
.per-token {
  background: var(--purple);
}
#chart {
  margin-top: 22px;
}
#chart svg {
  display: block;
  width: 100%;
  height: auto;
  min-height: 220px;
}
.chart-note {
  font-size: 11px;
  color: var(--muted);
  margin-top: 12px;
}
.finding {
  background: var(--wash);
  padding: 22px 28px;
  margin-top: 20px;
  border-left: 4px solid var(--blue);
  border-radius: 0 8px 8px 0;
  line-height: 1.65;
}
.finding strong {
  font-weight: 700;
}
.load-note {
  font-size: 12px;
  color: var(--muted);
  margin-top: 13px;
}
.load-note.overload {
  color: var(--danger);
  font-weight: 600;
}
.data-details {
  margin-top: 30px;
}
summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue);
}
.table-scroll {
  overflow: auto;
  margin-top: 20px;
}
table {
  border-collapse: collapse;
  min-width: 680px;
  width: 100%;
  font-size: 12px;
  text-align: left;
  font-variant-numeric: tabular-nums;
}
caption {
  text-align: left;
  color: var(--muted);
  margin-bottom: 12px;
}
th {
  font-weight: 600;
  background: #f5f8fe;
}
th,
td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
}
.method {
  background: var(--wash);
}
.method-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 100px;
}
.lead-small {
  font-size: 20px;
  color: var(--muted);
  margin: 20px 0 25px;
}
.model-list {
  margin: 0;
}
.model-list > div {
  display: grid;
  grid-template-columns: 75px 1fr;
  gap: 22px;
  padding: 21px 0;
  border-bottom: 1px solid #c4d4f0;
}
.model-list > div:first-child {
  padding-top: 0;
}
dt {
  font-weight: 700;
}
dd {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
.validation {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 100px;
}
.validation h2 {
  margin-bottom: 22px;
}
.validation p {
  color: var(--muted);
  font-size: 15px;
  margin-bottom: 20px;
}
.secondary {
  background: white;
  color: var(--blue);
  margin-top: 5px;
}
.secondary:hover {
  background: var(--wash);
}
.pipeline {
  margin: 0;
  list-style: none;
  counter-reset: stage;
  padding: 0 0 0 22px;
  border-left: 2px solid var(--line);
}
.pipeline li {
  position: relative;
  counter-increment: stage;
  margin: 0 0 22px;
  padding-left: 20px;
}
.pipeline li:last-child {
  margin-bottom: 0;
}
.pipeline li:before {
  content: counter(stage);
  position: absolute;
  left: -35px;
  top: 0;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  background: var(--wash);
  border: 1px solid var(--line);
  border-radius: 50%;
  font-size: 11px;
  color: var(--blue);
}
.pipeline strong,
.pipeline span {
  display: block;
}
.pipeline strong {
  font-size: 16px;
}
.pipeline span {
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
}
.limits {
  padding: 30px 0 60px;
  border-top: 1px solid var(--line);
}
.limits h2 {
  font-size: 23px;
}
.limits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 24px;
}
.limits p {
  font-size: 13px;
  color: var(--muted);
}
.limits b {
  display: block;
  color: var(--ink);
  font-size: 14px;
  margin-bottom: 7px;
}
.footer {
  border-top: 1px solid var(--line);
  padding: 32px 0 45px;
  display: flex;
  justify-content: space-between;
  gap: 30px;
}
.footer p {
  font-size: 11px;
  color: var(--muted);
  margin-top: 10px;
}
.footer .brand {
  font-size: 16px;
}
.footer-links {
  display: flex;
  gap: 23px;
  font-size: 12px;
}
.skip {
  position: absolute;
  left: 15px;
  top: -100px;
  z-index: 2;
  background: white;
  padding: 12px;
}
.skip:focus {
  top: 10px;
}
@media (min-width: 1500px) {
  .hero {
    gap: 85px;
  }
}
@media (max-width: 1000px) {
  .wrap {
    width: calc(100% - 48px);
  }
  .hero {
    gap: 35px;
    grid-template-columns: 1.2fr 1fr;
  }
  .hero h1 {
    font-size: 3rem;
  }
  .token-figure {
    padding: 22px 18px;
  }
  .token-row {
    gap: 5px;
  }
  .token {
    font-size: 22px;
  }
  .accounting {
    gap: 25px;
  }
  .explorer {
    grid-template-columns: 220px 1fr;
  }
  .chart-area {
    padding: 24px 18px;
  }
  .method-grid,
  .validation {
    gap: 50px;
  }
}
@media (max-width: 720px) {
  .wrap {
    width: calc(100% - 36px);
  }
  .nav {
    padding: 18px 0;
  }
  .branch {
    font-size: 12px;
  }
  .brand {
    font-size: 18px;
  }
  .brand-icon {
    width: 25px;
    height: 25px;
    font-size: 21px;
  }
  .nav nav {
    gap: 16px;
  }
  .nav nav a {
    font-size: 12px;
  }
  .nav nav a:nth-child(2) {
    display: none;
  }
  .hero {
    display: block;
    padding: 35px 0 40px;
  }
  .hero h1 {
    font-size: clamp(2.4rem, 9vw, 3.5rem);
  }
  .lead {
    font-size: 19px;
  }
  .intro > p {
    font-size: 14px;
  }
  .token-figure {
    margin-top: 38px;
    padding: 25px;
    max-width: 480px;
  }
  .token-row {
    gap: 10px;
  }
  .token > span {
    font-size: 10px;
  }
  .token-figure > p {
    margin-top: 16px;
  }
  .accounting {
    gap: 45px;
  }
  .evidence-strip > .wrap {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }
  .section {
    padding: 46px 0;
  }
  .section-heading {
    flex-direction: column;
    gap: 15px;
  }
  .section-heading p {
    font-size: 14px;
  }
  .explorer {
    display: block;
  }
  .explorer-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    padding: 20px 15px;
  }
  .explorer-controls p {
    grid-column: 1 / -1;
  }
  .explorer-controls label {
    font-size: 11px;
    min-height: 36px;
  }
  .explorer-controls select {
    font-size: 12px;
    padding-left: 7px;
  }
  .chart-area {
    padding: 24px 15px;
  }
  .legend {
    font-size: 10px;
  }
  .finding {
    padding: 18px;
    font-size: 14px;
  }
  .method-grid,
  .validation {
    display: block;
  }
  .model-list {
    margin-top: 32px;
  }
  .model-list > div {
    grid-template-columns: 65px 1fr;
    gap: 15px;
  }
  .lead-small {
    font-size: 18px;
  }
  .pipeline {
    margin: 40px 0 0 12px;
  }
  .limits {
    padding-top: 28px;
    padding-bottom: 40px;
  }
  .limits-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .footer {
    flex-direction: column;
    padding-top: 25px;
  }
  .footer-links {
    flex-wrap: wrap;
  }
  .footer p br {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

@media (max-width: 500px) {
  #chart svg text {
    font-size: 19px;
  }
}