:root {
  color-scheme: light;
  --paper: #f4efe5;
  --ink: #17211c;
  --muted: #59635d;
  --line: #c9c5b9;
  --signal: #da4b2f;
  --signal-dark: #ad351f;
  --panel: #1b2520;
  --panel-ink: #f7f3e9;
  --acid: #cbe66b;
  --sans: "IBM Plex Sans", sans-serif;
  --mono: "IBM Plex Mono", monospace;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.55;
}
a {
  color: inherit;
}
.shell {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}
.site-header {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.wordmark {
  font: 500 18px / 1 var(--mono);
  text-decoration: none;
  letter-spacing: -0.04em;
}
.wordmark span {
  color: var(--signal);
}
nav {
  display: flex;
  gap: 28px;
  font-size: 14px;
}
nav a {
  text-decoration: none;
}
nav a:hover,
nav a:focus-visible {
  color: var(--signal-dark);
}
.hero {
  padding-block: clamp(72px, 12vw, 150px) 78px;
}
.eyebrow,
.section-label {
  font: 500 12px / 1.2 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
}
.eyebrow span {
  width: 34px;
  height: 2px;
  background: var(--signal);
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h1 {
  max-width: 950px;
  margin-block: 28px 30px;
  font-size: clamp(52px, 9vw, 116px);
  font-weight: 500;
  line-height: 0.92;
  letter-spacing: -0.065em;
}
.lede {
  max-width: 710px;
  color: var(--muted);
  font-size: clamp(18px, 2.3vw, 23px);
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  font: 500 14px var(--mono);
  text-decoration: none;
  transition:
    transform 150ms ease,
    background 150ms ease;
}
.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}
.button.primary {
  background: var(--ink);
  color: var(--paper);
}
.button.primary:hover {
  background: var(--signal-dark);
  border-color: var(--signal-dark);
}
.button.secondary {
  background: transparent;
}
.facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 78px 0 0;
  border-block: 1px solid var(--line);
}
.facts div {
  padding: 24px 24px 24px 0;
}
.facts div + div {
  border-left: 1px solid var(--line);
  padding-left: 24px;
}
.facts dt {
  font: 500 clamp(22px, 3vw, 34px) var(--mono);
}
.facts dd {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
}
.quick-start {
  padding-block: 84px;
  border-top: 1px solid var(--line);
}
.section-label {
  color: var(--signal-dark);
  margin-bottom: 46px;
}
.quick-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: clamp(34px, 7vw, 90px);
  align-items: center;
}
h2 {
  font-size: clamp(34px, 5vw, 58px);
  font-weight: 500;
  line-height: 1.03;
  letter-spacing: -0.045em;
}
.quick-grid p {
  max-width: 460px;
  color: var(--muted);
  font-size: 17px;
}
.install-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 28px;
  border-bottom: 1px solid var(--ink);
  padding: 12px 0;
}
.install-line code,
.install-line button {
  font: 500 13px var(--mono);
}
.install-line button {
  border: 0;
  padding: 8px 0 8px 16px;
  background: transparent;
  color: var(--signal-dark);
  cursor: pointer;
}
.code-window {
  margin: 0;
  min-width: 0;
  background: var(--panel);
  color: var(--panel-ink);
  box-shadow: 14px 14px 0 #d8d1c1;
}
.code-title {
  display: flex;
  justify-content: space-between;
  padding: 13px 18px;
  border-bottom: 1px solid #3f4944;
  color: #aeb8b2;
  font: 12px var(--mono);
}
pre {
  margin: 0;
  padding: 24px;
  overflow-x: auto;
  font: 13px / 1.75 var(--mono);
}
.kw {
  color: var(--acid);
}
.str {
  color: #ffb49f;
}
.num {
  color: #8bd7e8;
}
.comment {
  color: #88938d;
}
.principles {
  padding-block: 84px;
}
.principle-list {
  border-top: 1px solid var(--ink);
}
.principle-list article {
  display: grid;
  grid-template-columns: 0.45fr 0.8fr 1fr;
  gap: 30px;
  padding-block: 30px;
  border-bottom: 1px solid var(--line);
}
.principle-list article > span {
  color: var(--signal-dark);
  font: 12px var(--mono);
  text-transform: uppercase;
}
.principle-list h3 {
  margin: 0;
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.025em;
}
.principle-list p {
  margin: 0;
  color: var(--muted);
}
.reference {
  padding-block: 84px 110px;
}
.reference-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(40px, 9vw, 120px);
}
.reference ul {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink);
}
.reference li {
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.reference li span {
  display: inline-block;
  width: 120px;
  color: var(--ink);
  font: 12px var(--mono);
  text-transform: uppercase;
}
.closing {
  padding-block: 84px;
  border-top: 1px solid var(--ink);
}
.closing > p {
  color: var(--signal-dark);
  font: 12px var(--mono);
  text-transform: uppercase;
}
.closing h2 {
  max-width: 800px;
}
.site-footer {
  display: flex;
  justify-content: space-between;
  padding-block: 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 12px var(--mono);
}
:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 4px;
}
@media (max-width: 760px) {
  nav a:not(:last-child) {
    display: none;
  }
  .facts {
    grid-template-columns: 1fr;
  }
  .facts div + div {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-left: 0;
  }
  .quick-grid,
  .reference-grid {
    grid-template-columns: 1fr;
  }
  .principle-list article {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .reference li span {
    display: block;
    width: auto;
    margin-bottom: 5px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .button {
    transition: none;
  }
}