@font-face {
  font-family: "Plex Sans";
  src: url("/fonts/IBMPlexSans-Regular.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Plex Sans";
  src: url("/fonts/IBMPlexSans-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "Plex Mono";
  src: url("/fonts/IBMPlexMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

:root {
  --ink: #181c24;
  --muted: #6b7280;
  --hair: #e5e7eb;
  --accent: #1e406e;
  --ok: #166534;
  --bad: #b91c1c;
  --tint: #f6f7f9;
  --bg: #ffffff;
  --measure: 40rem;
  --wide: 60rem;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e6e8ec;
    --muted: #9aa1ad;
    --hair: #2a2f38;
    --accent: #8fb3e6;
    --ok: #6fcf8e;
    --bad: #f08a8a;
    --tint: #161a21;
    --bg: #0f1217;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 1.0625rem/1.65 "Plex Sans", system-ui, sans-serif;
}

.wrap {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 1rem;
}

header.site {
  border-bottom: 1px solid var(--hair);
}
header.site .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}
.brand {
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.brand span {
  color: var(--accent);
}
nav.site {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  font-size: 0.95rem;
}
nav.site a {
  color: var(--muted);
  text-decoration: none;
}
nav.site a:hover,
nav.site a[aria-current="page"] {
  color: var(--ink);
}

main {
  padding: 3rem 0 4rem;
}
main > .wrap > * {
  max-width: var(--measure);
}

h1,
h2,
h3 {
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.015em;
}
h1 {
  font-size: clamp(1.9rem, 5vw, 2.6rem);
  margin: 0 0 1rem;
}
h2 {
  font-size: 1.35rem;
  margin: 3rem 0 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--hair);
}
h3 {
  font-size: 1.05rem;
  margin: 1.75rem 0 0.4rem;
}
p,
ul,
ol {
  margin: 0 0 1rem;
}
ul,
ol {
  padding-left: 1.25rem;
}
li {
  margin-bottom: 0.35rem;
}

a {
  color: var(--accent);
  text-underline-offset: 0.15em;
}

.lede {
  font-size: 1.2rem;
  color: var(--muted);
}
.small {
  font-size: 0.9rem;
  color: var(--muted);
}

code,
pre {
  font-family: "Plex Mono", ui-monospace, monospace;
  font-size: 0.9em;
}
code {
  background: var(--tint);
  padding: 0.1em 0.3em;
  border-radius: 3px;
  overflow-wrap: anywhere;
}
pre {
  background: var(--tint);
  border: 1px solid var(--hair);
  border-radius: 4px;
  padding: 0.9rem 1rem;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  line-height: 1.5;
}
pre code {
  background: none;
  padding: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.25rem;
  font-size: 0.95rem;
}
th,
td {
  text-align: left;
  vertical-align: top;
  padding: 0.5rem 0.75rem 0.5rem 0;
  border-bottom: 1px solid var(--hair);
}
th {
  font-weight: 600;
  color: var(--muted);
  font-size: 0.85rem;
}

.button {
  display: inline-block;
  background: var(--accent);
  color: var(--bg);
  text-decoration: none;
  font-weight: 600;
  padding: 0.6rem 1.1rem;
  border-radius: 4px;
}
.button.quiet {
  background: none;
  color: var(--accent);
  border: 1px solid var(--hair);
}

footer.site {
  border-top: 1px solid var(--hair);
  font-size: 0.9rem;
  color: var(--muted);
}
footer.site .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-top: 1.5rem;
  padding-bottom: 2rem;
}
footer.site a {
  color: var(--muted);
}