:root {
  --paper: #f9f9f3;
  --ink: #193c34;
  --muted: #52665a;
  --line: #d7ddd1;
  --accent: #b63826;
  --lime: #d8f36a;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: Arial, sans-serif;
  color-scheme: light;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 2rem;
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-underline-offset: 5px;
  text-decoration-thickness: 1px;
}
a:hover {
  text-decoration-thickness: 2px;
}
button,
input {
  font: inherit;
}
button,
a,
input {
  -webkit-tap-highlight-color: transparent;
}
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}
button {
  cursor: pointer;
}
/* Hidden controls must stay hidden even when a component uses flex or grid. */
[hidden] {
  /* biome-ignore lint/complexity/noImportantStyles: preserve the native hidden contract. */
  display: none !important;
}
.wrap {
  width: min(1280px, calc(100% - 112px));
  margin-inline: 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;
}
.skip-link {
  position: absolute;
  left: 20px;
  top: 16px;
  z-index: 10;
  background: var(--lime);
  padding: 15px;
  transform: translateY(-180%);
}
.skip-link:focus {
  transform: none;
}
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 112px;
  border-bottom: 1px solid var(--line);
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -1.2px;
  font-size: 1.6875rem;
  text-decoration: none;
  min-height: 44px;
}
.brand-mark {
  width: 35px;
  height: 35px;
  background: var(--ink);
  color: var(--paper);
  display: grid;
  place-content: center;
  position: relative;
  font-size: 1.6875rem;
  border-radius: 50%;
  font-family: Georgia, serif;
  font-style: italic;
}
.brand-mark span {
  position: absolute;
  color: var(--lime);
  right: 3px;
  bottom: -3px;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 36px;
  font-size: 0.875rem;
}
.site-header :where(nav) a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}
.site-header :where(nav) a:hover {
  color: var(--accent);
}
.repo-link {
  gap: 10px;
}
.hero {
  display: grid;
  grid-template-columns: 1.07fr 1fr;
  gap: 50px;
  align-items: center;
  padding-block: 80px 86px;
}
.eyebrow {
  font: 0.75rem / 1.5 var(--mono);
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 400;
}
.hero-copy > .eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 28px;
}
.tiny-cross {
  font-size: 1.375rem;
  line-height: 1;
  color: var(--accent);
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1 {
  font-size: clamp(46px, 5.3vw, 76px);
  letter-spacing: -4px;
  line-height: 1.04;
  font-weight: 500;
  margin-bottom: 28px;
}
em {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}
h1 em {
  color: var(--accent);
  letter-spacing: -3.8px;
}
.hero-description {
  font-size: 1.25rem;
  line-height: 1.45;
  max-width: 460px;
  margin-bottom: 18px;
}
.hero-detail {
  font-size: 1rem;
  line-height: 1.65;
  max-width: 480px;
  color: var(--muted);
  margin-bottom: 28px;
}
.hero-links {
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 15px 22px;
  font-size: 0.875rem;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
  transition: background 0.2s;
}
.primary {
  background: var(--ink);
  color: var(--paper);
}
.primary:hover {
  background: #28594b;
}
.text-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.875rem;
}
.hero-footnote {
  font: 0.75rem / 1.6 var(--mono);
  color: var(--muted);
  margin: 25px 0 0;
}
.hero-footnote span {
  margin: 0 9px;
}
.trajectory {
  margin: 0;
  color: var(--paper);
  background: #163c35;
  border-radius: 3px;
  overflow: hidden;
  position: relative;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 470px;
  box-shadow: 10px 10px 0 #e7eacb;
}
.figure-heading {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 25px 25px 0;
  font: 0.75rem / 1.5 var(--mono);
  color: #becdbf;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.figure-heading span:last-child {
  color: var(--lime);
}
.plot {
  position: relative;
  width: 100%;
  aspect-ratio: 600 / 420;
  background-image: radial-gradient(#89a58a55 0.65px, transparent 0.65px);
  background-size: 22px 22px;
}
.plot canvas,
.trajectory-fallback {
  position: absolute;
  width: 100%;
  height: 100%;
  inset: 0;
}
.plot canvas {
  opacity: 0;
}
.plot.canvas-ready canvas {
  opacity: 1;
}
.plot.canvas-ready .trajectory-fallback {
  visibility: hidden;
}
.plot-label {
  position: absolute;
  font: 0.75rem / 1.4 var(--mono);
  color: #cad6cd;
}
.start-label {
  left: 7%;
  bottom: 7%;
}
.target-label {
  right: 8%;
  top: 56%;
  color: var(--lime);
}
.nudge-label {
  position: absolute;
  top: 42%;
  left: 28%;
  font:
    italic 1.125rem Georgia,
    serif;
  transform: rotate(-12deg);
  color: var(--lime);
}
.trajectory figcaption {
  font: 0.75rem / 1.5 var(--mono);
  margin: 0 25px 18px;
  color: #cad6cd;
}
.trajectory-controls {
  flex-wrap: wrap;
  margin: 0 25px 24px;
  padding-top: 15px;
  border-top: 1px solid #91a29555;
  display: flex;
  gap: 15px;
  align-items: center;
}
.trajectory-controls label {
  font: 0.75rem var(--mono);
  white-space: nowrap;
}
.trajectory-controls > span {
  font-size: 1.5rem;
  color: var(--lime);
}
input[type="range"] {
  flex: 1;
  min-width: 80px;
  width: 100%;
  accent-color: var(--lime);
  min-height: 44px;
  cursor: ew-resize;
}
input[type="range"]:focus-visible {
  outline-color: var(--lime);
}
.discipline-strip {
  border-block: 1px solid var(--line);
}
.discipline-strip > .wrap {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  padding-block: 24px;
}
.discipline-strip p {
  margin: 0;
  font-size: 0.9375rem;
}
.discipline-strip :where(p) span {
  margin: 0 22px;
  color: #8b9c89;
}
.section {
  padding-block: 96px;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 50px;
  margin-bottom: 42px;
}
.section-heading .eyebrow {
  color: var(--muted);
  margin-bottom: 22px;
}
h2 {
  font-size: clamp(36px, 4vw, 56px);
  line-height: 1.07;
  letter-spacing: -2px;
  font-weight: 500;
  margin: 0;
}
h2 em {
  letter-spacing: -1.7px;
}
.section-heading > p {
  font-size: 1rem;
  line-height: 1.65;
  max-width: 350px;
  margin: 0 0 4px;
  color: var(--muted);
}
.example-picker {
  padding: 0;
  margin-inline: 0;
  border: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--line);
  margin-bottom: 24px;
  gap: 12px;
}
.example-picker button {
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  padding: 16px 12px;
  color: var(--muted);
  font: 0.75rem var(--mono);
  text-align: left;
  display: flex;
  align-items: center;
  gap: 13px;
  min-height: 54px;
}
.example-picker :where(button) span {
  font: 0.9375rem var(--sans);
}
.example-picker button[aria-pressed="true"] {
  border-bottom-color: var(--accent);
  color: var(--accent);
}
.example-picker button:hover {
  background: #ecf0e6;
}
.example {
  border: 1px solid var(--line);
  background: #fff;
}
.example-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 28px;
  border-bottom: 1px solid var(--line);
}
h3 {
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: -0.3px;
  margin: 0;
}
.example-header a {
  font: 0.75rem var(--mono);
  color: var(--muted);
  min-height: 44px;
  display: flex;
  align-items: center;
}
.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.comparison > div {
  padding: 28px;
  min-width: 0;
  min-height: 183px;
}
.before {
  border-right: 1px solid var(--line);
  background: #fafbf8;
}
.after {
  background: #f2f6e9;
}
.code-label {
  font: 0.75rem var(--mono);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 12px;
}
.code-label span {
  font-size: 1.25rem;
  line-height: 12px;
}
:where(.before) .code-label span {
  color: var(--accent);
}
pre {
  margin: 28px 0 0;
  font: 0.875rem / 1.8 var(--mono);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
code {
  font-family: var(--mono);
}
.finding {
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
  background: #f3eddf;
}
.finding-mark {
  border: 1px solid var(--accent);
  border-radius: 50%;
  flex: 0 0 38px;
  height: 38px;
  display: grid;
  place-items: center;
  font:
    italic 1.5625rem Georgia,
    serif;
  color: var(--accent);
  transform: rotate(-12deg);
}
.finding .eyebrow {
  color: var(--accent);
  font-size: 0.75rem;
  margin: 0 0 7px;
}
.finding blockquote {
  margin: 0;
  font-size: 1rem;
  line-height: 1.5;
}
.finding-type {
  font: 0.75rem var(--mono);
  color: var(--muted);
  margin-left: auto;
  white-space: nowrap;
}
.example-note {
  font: 0.75rem / 1.7 var(--mono);
  color: var(--muted);
  margin: 0;
  padding: 17px 28px;
  border-top: 1px solid var(--line);
}
.mechanism {
  background: #e9eddf;
  border-block: 1px solid var(--line);
}
.steps {
  list-style: none;
  padding: 0;
  margin: 56px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.steps li {
  border-left: 1px solid #bac9b4;
  padding: 0 34px;
}
.steps li:first-child {
  padding-left: 0;
  border: 0;
}
.steps li:last-child {
  padding-right: 0;
}
.step-number {
  font: 0.8125rem var(--mono);
  color: var(--muted);
  display: block;
  margin-bottom: 24px;
}
.steps h3 {
  font-size: 1.375rem;
  margin-bottom: 16px;
}
.steps p {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--muted);
  margin-bottom: 22px;
}
.steps code {
  font-size: 0.75rem;
}
.margin-note {
  display: flex;
  gap: 15px;
  margin-top: 48px;
  padding-top: 25px;
  border-top: 1px solid #c6d0bd;
  align-items: start;
  max-width: 800px;
}
.margin-note > span {
  font:
    2.25rem Georgia,
    serif;
  color: var(--accent);
  line-height: 1;
}
.margin-note p {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--muted);
  margin: 0;
}
.try-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}
.try-copy > .eyebrow {
  margin-bottom: 22px;
  color: var(--muted);
}
.try-copy > p:not(.eyebrow) {
  font-size: 1rem;
  line-height: 1.65;
  max-width: 400px;
  margin: 24px 0;
  color: var(--muted);
}
.try-links {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}
.terminal {
  background: var(--ink);
  color: var(--paper);
  border-radius: 3px;
}
.terminal-header {
  min-height: 65px;
  border-bottom: 1px solid #49675a;
  padding: 10px 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font: 0.75rem / 1.5 var(--mono);
}
.terminal-header button {
  background: transparent;
  color: var(--lime);
  border: 1px solid #718761;
  min-height: 44px;
  padding: 8px 12px;
  font: 0.75rem var(--mono);
}
.terminal-header button:focus-visible {
  outline-color: var(--lime);
}
.terminal pre {
  padding: 10px 28px 25px;
  line-height: 1.9;
  color: var(--lime);
  font-size: 0.8125rem;
}
.terminal-comment {
  color: #b9cabb;
}
.terminal-note {
  padding: 0 28px 24px;
  font-size: 0.875rem;
  line-height: 1.9;
  color: #d8e1d4;
}
.terminal-note code {
  font-size: 0.75rem;
}
.api-note {
  font: 0.75rem / 1.7 var(--mono);
  color: #cfdbcf;
  border-top: 1px solid #49675a;
  margin: 0;
  padding: 20px 28px;
}
.closing {
  padding-block: 50px 65px;
  border-top: 1px solid var(--line);
}
.closing > p:first-child {
  font: 0.75rem var(--mono);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  margin: 0 0 22px;
}
.closing-big {
  font-size: clamp(56px, 10.5vw, 150px);
  letter-spacing: -7px;
  line-height: 1;
  font-weight: 500;
  margin: 0 0 36px;
}
.closing-big > span {
  color: var(--accent);
}
.closing > div {
  display: flex;
  gap: 25px;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--muted);
}
.closing > :where(div) p {
  margin: 0;
  line-height: 1.6;
}
.site-footer {
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 110px;
}
.site-footer .wordmark {
  font-size: 1.25rem;
  gap: 1px;
}
.site-footer .wordmark span {
  color: var(--accent);
}
.site-footer p {
  font: 0.75rem var(--mono);
  color: var(--muted);
  margin: 0;
}
.site-footer > a:last-child {
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  min-height: 44px;
}
@media (min-width: 1500px) {
  .hero {
    padding-block: 100px;
  }
  .trajectory {
    min-height: 500px;
  }
}
@media (max-width: 1050px) {
  .wrap {
    width: calc(100% - 64px);
  }
  .hero {
    gap: 32px;
  }
  h1 {
    font-size: 3.25rem;
    letter-spacing: -2.5px;
  }
  h1 em {
    letter-spacing: -2.5px;
  }
  .hero-description {
    font-size: 1.125rem;
  }
  .trajectory {
    min-height: 430px;
  }
  .hero-links {
    gap: 12px;
  }
  .discipline-strip :where(p) span {
    margin: 0 10px;
  }
  .try-section {
    gap: 32px;
  }
  .finding-type {
    display: none;
  }
  .terminal-header {
    padding-inline: 18px;
  }
  .terminal pre {
    padding-inline: 18px;
  }
  .closing-big {
    letter-spacing: -4px;
  }
}
@media (max-width: 760px) {
  .wrap {
    width: calc(100% - 40px);
  }
  .site-header {
    flex-wrap: wrap;
    padding-block: 16px;
    min-height: 88px;
  }
  .site-header nav {
    gap: 12px;
  }
  .site-header nav > a:not(.repo-link) {
    display: none;
  }
  .wordmark {
    font-size: 1.5625rem;
  }
  .hero {
    grid-template-columns: 1fr;
    padding-block: 48px 56px;
    gap: 38px;
  }
  .hero-copy > .eyebrow {
    font-size: 0.75rem;
    margin-bottom: 22px;
  }
  h1 {
    font-size: clamp(43px, 8.8vw, 64px);
    letter-spacing: -2px;
  }
  h1 em {
    letter-spacing: -2px;
  }
  .hero-description {
    font-size: 1.25rem;
    max-width: 100%;
  }
  .hero-detail {
    max-width: 100%;
  }
  .hero-links {
    gap: 18px;
  }
  .hero-footnote {
    font-size: 0.75rem;
  }
  .trajectory {
    min-height: 0;
    max-width: 600px;
    width: 100%;
    justify-self: center;
    box-shadow: 6px 6px 0 #e7eacb;
  }
  .plot {
    aspect-ratio: 600 / 380;
  }
  .figure-heading {
    font-size: 0.75rem;
  }
  .trajectory-controls {
    margin-bottom: 14px;
  }
  .discipline-strip > .wrap {
    align-items: start;
    flex-direction: column;
    gap: 10px;
    padding-block: 20px;
  }
  .discipline-strip p {
    font-size: 0.875rem;
    line-height: 1.8;
  }
  .discipline-strip :where(p) span {
    margin: 0 7px;
  }
  .section {
    padding-block: 64px;
  }
  .section-heading {
    align-items: start;
    flex-direction: column;
    gap: 22px;
    margin-bottom: 26px;
  }
  .section-heading > p {
    max-width: 100%;
  }
  .section-heading .eyebrow {
    margin-bottom: 18px;
  }
  h2 {
    font-size: 2.75rem;
  }
  .example-picker {
    padding: 0;
    margin-inline: 0;
    border: 0;
    grid-template-columns: 1fr 1fr;
    gap: 0 12px;
  }
  .example-picker button {
    padding: 12px 8px;
    gap: 8px;
  }
  .example-picker :where(button) span {
    font-size: 0.875rem;
  }
  .example-header {
    align-items: start;
    flex-direction: column;
    gap: 0;
    padding: 20px;
  }
  .example-header h3 {
    font-size: 1.1875rem;
  }
  .example-header a {
    font-size: 0.75rem;
  }
  .comparison {
    grid-template-columns: 1fr;
  }
  .comparison > div {
    padding: 22px 20px;
    min-height: 140px;
  }
  .before {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  pre {
    font-size: 0.75rem;
    margin-top: 20px;
  }
  .finding {
    padding: 22px 20px;
    gap: 13px;
    align-items: start;
  }
  .finding blockquote {
    font-size: 0.9375rem;
  }
  .finding-mark {
    flex-basis: 32px;
    height: 32px;
    font-size: 1.375rem;
  }
  .example-note {
    padding: 17px 20px;
    font-size: 0.75rem;
  }
  .steps {
    grid-template-columns: 1fr;
    margin-top: 36px;
    gap: 30px;
  }
  .steps li,
  .steps li:first-child,
  .steps li:last-child {
    padding: 0 0 28px;
    border: 0;
    border-bottom: 1px solid #c6d0bd;
    display: grid;
    grid-template-columns: 35px 1fr;
    column-gap: 14px;
  }
  .steps li:last-child {
    padding-bottom: 0;
    border: 0;
  }
  .step-number {
    grid-row: 1 / 4;
    padding-top: 6px;
  }
  .steps h3 {
    font-size: 1.375rem;
  }
  .steps p {
    grid-column: 2;
    margin-bottom: 14px;
  }
  .steps code {
    grid-column: 2;
  }
  .margin-note {
    margin-top: 35px;
  }
  .try-section {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .try-copy > p:not(.eyebrow) {
    max-width: 100%;
  }
  .terminal-header {
    font-size: 0.75rem;
  }
  .terminal pre {
    font-size: 0.75rem;
  }
  .closing {
    padding-block: 40px;
  }
  .closing-big {
    font-size: clamp(48px, 11.4vw, 90px);
    letter-spacing: -3px;
    margin-bottom: 22px;
  }
  .closing > div {
    flex-direction: column;
    align-items: start;
    gap: 7px;
  }
  .site-footer {
    flex-wrap: wrap;
    gap: 8px;
    padding-block: 22px;
  }
  .site-footer p {
    order: 3;
    width: 100%;
    font-size: 0.75rem;
  }
  .site-footer > a:last-child {
    font-size: 0.8125rem;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none;
    transition: none;
  }
}

/* Lime stays visible on both dark panels during keyboard navigation. */
:where(.trajectory, .terminal) :focus-visible {
  outline-color: var(--lime);
}