:root {
  --background: #fafafa;
  --paper: #ffffff;
  --text: #262a31;
  --muted: #6a707a;
  --line: #e2e4e8;
  --link: #245fa8;
  --code-bg: #f3f4f6;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
  color: var(--text);
  background: var(--background);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

body { margin: 0; }
a { color: var(--link); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
code, kbd { font-family: var(--mono); }
code { font-size: .88em; }
kbd {
  padding: 1px 5px;
  border: 1px solid #c9cdd3;
  border-bottom-width: 2px;
  border-radius: 4px;
  background: #fff;
  font-size: .78em;
}

.site-header {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  width: min(920px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.site-header > a {
  color: var(--text);
  font-weight: 650;
  text-decoration: none;
}

nav { display: flex; align-items: center; gap: 22px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--text); }
.github-icon {
  display: inline-flex;
  width: 20px;
  height: 20px;
  align-items: center;
  justify-content: center;
}
.github-icon svg { width: 19px; height: 19px; fill: currentColor; }

main {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
}

.article-header { padding: 92px 0 64px; }
.article-meta {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 13px;
}

h1, h2, h3 {
  color: #20242a;
  line-height: 1.25;
  letter-spacing: -.025em;
}

h1 {
  max-width: 750px;
  margin: 0 0 28px;
  font-size: clamp(38px, 6vw, 58px);
  font-weight: 720;
}

.dek {
  max-width: 680px;
  margin: 0;
  color: #555d68;
  font-size: 21px;
  line-height: 1.55;
}

.article-body h2 {
  margin: 68px 0 19px;
  font-size: 28px;
}

.article-body h3 {
  margin: 42px 0 14px;
  font-size: 20px;
}

.article-body p { margin: 0 0 24px; }
.article-body li { margin-bottom: 8px; }
.article-body ol, .article-body ul { margin: 0 0 28px; padding-left: 27px; }
pre {
  overflow-x: auto;
  margin: 30px 0;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--code-bg);
  line-height: 1.65;
}

pre code { font-size: 13px; }
.path-example { border-left: 3px solid #77869a; }

figure { margin: 38px 0; }
figure pre { margin-bottom: 10px; }
figcaption {
  padding: 0 4px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.article-footer {
  margin-top: 78px;
  padding: 30px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}

.article-footer p { margin: 0 0 5px; }
.article-footer a { font-weight: 650; }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(920px, calc(100% - 40px));
  margin: 80px auto 0;
  padding: 30px 0 50px;
  color: var(--muted);
  font-size: 12px;
}

a:focus-visible {
  outline: 3px solid rgba(36, 95, 168, .25);
  outline-offset: 3px;
}

@media (max-width: 600px) {
  html { font-size: 16px; }
  .site-header { align-items: flex-start; }
  nav { gap: 12px; font-size: 12px; }
  .article-header { padding: 60px 0 45px; }
  h1 { font-size: 38px; }
  .dek { font-size: 18px; }
  .article-body h2 { margin-top: 55px; font-size: 25px; }
  pre { margin-right: -8px; margin-left: -8px; padding: 17px 15px; }
  .site-footer { flex-direction: column; }
}