@charset "UTF-8";
:root {
  --paper: #f5f3ea;
  --ink: #18382e;
  --muted: #50665c;
  --line: #cbd0bf;
  --accent: #d7ed94;
  --serif: 'Iowan Old Style', 'Palatino Linotype', 'Noto Serif SC', 'Songti SC', serif;
  --sans: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  --mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  line-height: 1.8;
}
a {
  color: inherit;
  text-underline-offset: 0.22em;
}
a:hover {
  text-decoration-thickness: 2px;
}
a:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 5px;
}
img {
  max-width: 100%;
  height: auto;
}
.masthead,
main,
footer {
  width: min(1240px, calc(100% - 96px));
  margin-inline: auto;
}
.masthead {
  min-height: 112px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font: 700 12px/1.35 var(--mono);
  letter-spacing: 0.1em;
  text-decoration: none;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font: 500 16px var(--serif);
  letter-spacing: -0.08em;
}
nav {
  display: flex;
  gap: 28px;
  align-items: center;
  font-size: 13px;
}
nav a {
  text-decoration: none;
}
nav .language {
  border-left: 1px solid var(--line);
  padding-left: 26px;
  font-family: var(--mono);
}
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  z-index: 10;
  padding: 12px;
  background: var(--accent);
}
.skip-link:focus {
  top: 10px;
}
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: center;
  padding: 88px 0 64px;
}
.eyebrow {
  font: 500 11px/1.7 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h1 {
  margin: 22px 0 12px;
  font: 500 clamp(32px, 3.7vw, 52px)/1.1 var(--serif);
  letter-spacing: -0.045em;
}
.hero-line {
  margin: 0 0 26px;
  font: 500 clamp(24px, 2.8vw, 39px)/1.5 var(--serif);
  letter-spacing: -0.025em;
}
.summary {
  max-width: 570px;
  color: var(--muted);
  font-size: 16px;
  line-height: 2;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-height: 48px;
  padding: 12px 22px;
  font-size: 13px;
  text-decoration: none;
  border: 1px solid var(--ink);
  transition:
    background-color 160ms,
    color 160ms;
}
.button.primary {
  background: var(--ink);
  color: var(--paper);
}
.button.primary:hover {
  background: #315747;
}
.button.secondary:hover {
  background: var(--accent);
}
.atlas {
  margin: 0;
  position: relative;
}
.atlas img {
  display: block;
}
.atlas figcaption {
  margin-top: 4px;
  text-align: right;
  color: var(--muted);
  font: 10px/1.8 var(--mono);
}
.rename {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 32px;
  align-items: baseline;
  border-block: 1px solid var(--line);
  padding: 22px 0;
}
.rename p {
  margin: 0;
  font-size: 13px;
}
code {
  font-family: var(--mono);
  font-size: 0.88em;
  overflow-wrap: anywhere;
}
.facts {
  display: grid;
  grid-template-columns: 0.8fr 1.3fr 0.6fr 1.5fr;
  margin: 0;
  padding: 26px 0 48px;
  gap: 26px;
}
.facts dt {
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 8px;
}
.facts dd {
  margin: 0;
  font: 500 13px/1.6 var(--mono);
}
.section {
  display: grid;
  grid-template-columns: 1fr 1.55fr;
  gap: 72px;
  padding: 78px 0;
  border-top: 1px solid var(--line);
}
.section-heading h2 {
  font: 500 clamp(24px, 2.4vw, 32px)/1.5 var(--serif);
  letter-spacing: -0.02em;
  margin: 20px 0;
}
.section-heading > p:not(.eyebrow) {
  font-size: 14px;
  color: var(--muted);
}
.feature {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 0 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.feature:first-child {
  padding-top: 0;
}
.number {
  grid-row: span 2;
  color: var(--muted);
  font: 11px/2.2 var(--mono);
}
.feature h3,
.question h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 12px;
}
.feature p,
.question p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}
.text-link {
  display: inline-block;
  margin-top: 14px;
  font-weight: 600;
  font-size: 13px;
}
.terminal {
  align-self: start;
  background: var(--ink);
  color: var(--paper);
  padding: 24px;
}
.terminal-heading {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font: 10px/1.6 var(--mono);
  padding-bottom: 18px;
  border-bottom: 1px solid #486253;
}
.terminal pre {
  overflow-x: auto;
  padding: 12px 0;
  margin-bottom: 14px;
  font: 12px/2 var(--mono);
}
.terminal pre code {
  font-size: inherit;
  overflow-wrap: normal;
}
.terminal > p {
  color: #c8d6c5;
  font-size: 12px;
  margin: 0;
}
.question {
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}
.question:first-child {
  padding-top: 0;
}
.questions a {
  color: var(--ink);
}
.resources {
  padding: 30px 34px;
  background: var(--accent);
  margin: 10px 0 70px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: baseline;
}
.resources h2 {
  font-size: 15px;
  margin: 0;
}
.resources > div {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.resources a {
  font-size: 12px;
}
footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
  padding: 25px 0 36px;
  color: var(--muted);
  font-size: 10px;
}
footer p {
  margin: 0;
}
footer span {
  margin-left: 20px;
}
::selection {
  background: var(--accent);
  color: var(--ink);
}
@media (max-width: 960px) {
  .masthead,
  main,
  footer {
    width: calc(100% - 48px);
  }
  .hero {
    gap: 12px;
    padding-block: 56px 44px;
  }
  .section {
    gap: 32px;
    grid-template-columns: 1fr 1.3fr;
  }
  .facts {
    grid-template-columns: 1fr 1fr;
  }
  .rename {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .resources {
    flex-direction: column;
    padding: 26px;
  }
}
@media (max-width: 640px) {
  .masthead,
  main,
  footer {
    width: calc(100% - 36px);
  }
  .masthead {
    min-height: 100px;
    gap: 16px;
    flex-wrap: wrap;
    padding-block: 18px;
  }
  nav {
    gap: 16px;
    flex-wrap: wrap;
    font-size: 12px;
  }
  nav .language {
    padding-left: 14px;
  }
  .hero {
    grid-template-columns: 1fr;
    padding-top: 46px;
  }
  h1 {
    font-size: 38px;
  }
  .hero-line {
    font-size: 29px;
  }
  .atlas {
    max-width: 400px;
    margin: 12px auto 0;
  }
  .section {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-block: 48px;
  }
  .facts {
    gap: 24px 16px;
  }
  .facts dd {
    font-size: 11px;
  }
  .terminal {
    padding: 20px;
    min-width: 0;
  }
  .terminal pre {
    font-size: 10px;
  }
  .resources {
    margin-bottom: 44px;
  }
  .resources > div {
    flex-direction: column;
    gap: 14px;
  }
  footer {
    flex-direction: column;
    gap: 12px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}