@font-face {
  font-family: Pollen;
  src: url("fonts/Pollen-variable.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

/* Neutral gray. Body copy uses the low-contrast step. */
:root {
  font-size: 112.5%;
  --step-2: calc(1rem / 1.125 / 1.125);
  --step-1: calc(1rem / 1.125);
  --step-0: 1rem;
  --step-1up: 1.125rem;
  --step-2up: 1.265625rem;
  --step-3up: 1.423828rem;
  --step-4up: 1.601807rem;
  --step-5up: 1.802032rem;

  --gray-1: #fcfcfc;
  --gray-2: #f8f8f8;
  --gray-3: #f3f3f3;
  --gray-4: #ededed;
  --gray-5: #e8e8e8;
  --gray-6: #e2e2e2;
  --gray-7: #dbdbdb;
  --gray-8: #c7c7c7;
  --gray-9: #8f8f8f;
  --gray-10: #7e7e7e;
  --gray-11: #6f6f6f;
  --gray-12: #171717;
  --bg: #fcfcfc;
  --well: #f3f3f3;
  --indigo: #3e63dd;
  --indigo-wash: color-mix(in srgb, #3e63dd 14%, var(--bg));

  --weight-body: 400;
  --weight-label: 500;
  --weight-heading: 500;

  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in: cubic-bezier(0.55, 0, 1, 0.45);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);

  --sans: Pollen, system-ui, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --measure: 65ch;
  --page: 68rem;
  --nav: 15.5rem;
  --space: 1.6;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
  --gray-1: #161616;
  --gray-2: #1c1c1c;
  --gray-3: #232323;
  --gray-4: #282828;
  --gray-5: #2e2e2e;
  --gray-6: #343434;
  --gray-7: #3e3e3e;
  --gray-8: #505050;
  --gray-9: #707070;
  --gray-10: #858585;
  --gray-11: #a0a0a0;
  --gray-12: #ededed;
  --bg: #0a0a0a;
  --well: #161616;
  --indigo: #5472e4;
  --indigo-wash: color-mix(in srgb, #5472e4 22%, var(--bg));
  color-scheme: dark;
  }
}

:root {
  --text: var(--gray-11);
  --text-strong: var(--gray-12);
  --muted: var(--gray-10);
  --line: var(--gray-6);
  --nav-item: var(--gray-11);
  --selection: var(--indigo-wash);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: var(--weight-body);
  font-variation-settings: "ROND" 100;
  font-synthesis: none;
  font-optical-sizing: auto;
  line-height: var(--space);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  font-size: var(--step-0);
  background: var(--bg);
}

::selection {
  background: var(--selection);
  color: var(--indigo);
}

:focus-visible {
  outline: 2px solid var(--gray-12);
  outline-offset: 2px;
}

.skip {
  position: absolute;
  inset-inline-start: 1rem;
  inset-block-start: 0.5rem;
  z-index: 1;
  translate: 0 -150%;
  background: var(--bg);
  color: var(--text-strong);
  padding: 0.4rem 0.7rem;
  border-radius: 0.4rem;
}

.skip:focus {
  translate: 0 0;
}

a {
  --u: 0.14em;
  color: var(--indigo);
  text-decoration: none;
  padding-bottom: 0.12em;
  background-image:
    radial-gradient(circle closest-side at center, currentColor 97%, transparent 100%),
    radial-gradient(circle closest-side at center, currentColor 97%, transparent 100%),
    linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-size: var(--u) var(--u), var(--u) var(--u), calc(100% - var(--u)) var(--u);
  background-position: left bottom, right bottom, center bottom;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

.shell {
  display: grid;
  grid-template-columns: var(--nav) minmax(0, var(--measure));
  gap: 3rem;
  justify-content: center;
  width: min(var(--page), calc(100% - 2.5rem));
  margin-inline: auto;
  padding-block: 2.5rem 4rem;
}

.nav {
  position: sticky;
  top: 1.5rem;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  max-height: calc(100dvh - 3rem);
  overflow: auto;
}

.mark {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 0.7rem;
  align-items: center;
  text-decoration: none;
  background-image: none;
  padding-bottom: 0;
  color: var(--text-strong);
}

.mark-svg {
  width: 2rem;
  height: auto;
  grid-row: span 2;
  align-self: center;
}

.mark-svg path {
  stroke: var(--indigo);
}

.mark-name {
  font-size: var(--step-0);
  font-weight: var(--weight-heading);
  line-height: 1.35;
  letter-spacing: 0;
}

.mark-sub {
  font-size: var(--step-1);
  font-weight: var(--weight-body);
  letter-spacing: 0;
  color: var(--muted);
  line-height: 1.5;
}

.nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav li a {
  display: flex;
  align-items: center;
  min-block-size: 2rem;
  color: var(--nav-item);
  text-decoration: none;
  background-image: none;
  padding-bottom: 0;
  font-size: var(--step-1);
  font-weight: var(--weight-body);
  transition: color 150ms ease;
}

@media (hover: hover) and (pointer: fine) {
  .nav li a:hover {
    color: var(--text-strong);
  }

}

.nav li a[aria-current="page"] {
  color: var(--text-strong);
}

.nav ul ul {
  gap: 0.15rem;
  margin-block-start: 0.15rem;
  padding-inline-start: 0.75rem;
}

.github {
  align-self: start;
  font-size: var(--step-1);
  font-weight: var(--weight-body);
  transition: color 150ms ease;
}

main {
  min-width: 0;
}

.lede,
section,
.hero {
  max-width: var(--measure);
}

h1,
h2,
h3 {
  color: var(--text-strong);
  font-weight: var(--weight-heading);
  line-height: 1.45;
  letter-spacing: 0;
  text-wrap: balance;
  text-box: trim-start cap;
}

h1 {
  margin: 0 0 1rem;
  font-size: var(--step-1up);
}

h2 {
  margin: 2.75rem 0 0.85rem;
  font-size: var(--step-0);
  scroll-margin-top: 1.5rem;
}

h3 {
  margin: 2rem 0 0.7rem;
  font-size: var(--step-0);
}

.lede {
  margin: 0 0 1.5rem;
  text-wrap: pretty;
}

p,
li {
  text-wrap: pretty;
}

p {
  margin: 0 0 1lh;
}

ul,
ol {
  margin: 0 0 1lh;
  padding-inline-start: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

code,
pre {
  font-family: var(--mono);
  font-size: var(--step-1);
  font-variant-numeric: tabular-nums;
}

code {
  padding: 0.08em 0.32em;
  background: var(--well);
  border-radius: 6px;
  color: var(--text-strong);
}

pre {
  margin: 0 0 1lh;
  padding: 1rem 1.1rem;
  overflow: auto;
  background: var(--well);
  border-radius: 16px;
  line-height: 1.65;
  color: var(--text);
}

pre code {
  padding: 0;
  background: none;
  color: inherit;
}

table {
  width: 100%;
  margin: 0 0 1lh;
  border-collapse: collapse;
  font-size: var(--step-1);
}

th,
td {
  padding: 0.8rem 0.7rem;
  text-align: start;
  vertical-align: top;
  border-block-end: 1px solid var(--line);
}

th {
  color: var(--text-strong);
  font-weight: var(--weight-label);
}

.ports {
  font-variant-numeric: tabular-nums;
}

footer {
  margin-block-start: 3rem;
  padding-block-start: 1.5rem;
  border-block-start: 1px solid var(--line);
  color: var(--muted);
  font-size: var(--step-1);
}

@media (max-width: 52rem) {
  .shell {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    width: min(var(--measure), calc(100% - 2rem));
  }

  .nav {
    position: static;
    max-height: none;
  }

  .nav li a {
    min-block-size: 2.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav li a,
  .github {
    transition: none;
  }
}