@font-face {
  font-family: "Field Guide";
  src: url("/field-guide.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}
:root {
  --paper: #f5f8fc;
  --ink: #142c45;
  --blue: #174eaa;
  --field: #123d79;
  --line: #a5b7ca;
  --soft: #e4edf8;
  --white: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  line-height: 1.65;
  font-size: 18px;
  color-scheme: light;
  accent-color: var(--blue);
  scrollbar-color: var(--blue) var(--paper);
}
* { box-sizing: border-box; }
body { margin: 0; }
::selection { color: var(--white); background: var(--blue); }
a { color: var(--blue); text-underline-offset: .22em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
.wrap { width: min(1120px, calc(100% - 64px)); margin-inline: auto; }
.skip { position: absolute; top: -100px; left: 16px; background: var(--white); padding: 12px; z-index: 2; }
.skip:focus { top: 12px; }
.masthead { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 24px; border-bottom: 1px solid var(--line); }
.wordmark { font-size: 1.25rem; font-weight: 750; color: var(--ink); text-decoration: none; }
.wordmark span { font-size: .85rem; font-weight: 400; }
nav { display: flex; flex-wrap: wrap; gap: 28px; font-size: .9rem; }
nav [aria-current] { color: var(--ink); font-weight: 700; }
h1, h2, h3 { font-family: "Field Guide", sans-serif; line-height: 1.12; text-wrap: balance; }
h1 { font-size: clamp(2.5rem, 5.8vw, 4.5rem); letter-spacing: -.035em; font-weight: 650; margin: 0; }
h2 { font-size: clamp(1.7rem, 3vw, 2.35rem); letter-spacing: -.025em; font-weight: 650; margin: 0 0 24px; }
h3 { font-size: 1.2rem; margin: 36px 0 12px; }
p { margin: 0 0 20px; }
.intro { display: grid; grid-template-columns: 1.15fr 1fr; gap: 64px; padding-block: 76px 56px; align-items: start; }
.intro-copy { padding-top: 6px; }
.text-action { display: inline-block; font-weight: 650; margin-top: 4px; }
.route { margin-block: 0 20px; }
.route img { display: block; width: 100%; height: auto; background: var(--field); }
figcaption { display: flex; justify-content: space-between; gap: 24px; font-size: .78rem; padding-block: 16px; border-bottom: 1px solid var(--line); }
figcaption > span:first-child { font-weight: 700; }
.section-grid { display: grid; grid-template-columns: 1fr 1.65fr; gap: 72px; padding-block: 64px; }
.reading { max-width: 72ch; }
code, pre { font-family: ui-monospace, "Cascadia Code", "Liberation Mono", monospace; }
code { font-size: .86em; overflow-wrap: anywhere; }
.notice { background: var(--soft); padding: 24px; }
.inspector { background: var(--soft); margin-block: 16px; scroll-margin-top: 24px; }
.inspector .section-grid { gap: 64px; }
.controls { display: flex; flex-wrap: wrap; gap: 10px; margin-block: 24px; }
button { font: inherit; font-size: .85rem; font-weight: 650; border: 1px solid var(--blue); border-radius: 0; padding: 12px 16px; background: var(--white); color: var(--blue); cursor: pointer; min-height: 48px; }
button:hover:not(:disabled) { background: var(--blue); color: var(--white); }
button:active:not(:disabled) { background: var(--field); color: var(--white); }
button:disabled { border-color: var(--line); color: #4c6076; cursor: not-allowed; background: var(--paper); }
#request-status { min-height: 3.3em; font-size: .9rem; }
pre { margin: 16px 0 24px; background: var(--ink); color: var(--white); padding: 24px; white-space: pre-wrap; overflow-wrap: anywhere; font-size: .8rem; line-height: 1.7; max-height: 420px; overflow: auto; tab-size: 2; }
.small { font-size: .82rem; }
.facts { margin: 32px 0; }
.facts > div { display: grid; grid-template-columns: 90px 1fr; gap: 20px; padding-block: 18px; border-top: 1px solid var(--line); }
dt { font-weight: 700; }
dd { margin: 0; }
.footer { display: flex; flex-wrap: wrap; gap: 16px 32px; justify-content: space-between; border-top: 1px solid var(--line); padding-block: 24px 40px; font-size: .82rem; }
.footer p { margin: 0; }
.article-head { padding-block: 64px 40px; }
.article-head p { max-width: 65ch; margin-top: 28px; font-size: 1.15rem; }
.article-section { border-top: 1px solid var(--line); }
@media (max-width: 1184px) {
  .route picture { display: block; background: var(--field); }
  .route img { width: min(100%, 480px); margin-inline: auto; aspect-ratio: 360 / 630; }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 36px); }
  .masthead { align-items: flex-start; flex-direction: column; gap: 16px; padding-block: 20px; }
  nav { gap: 24px; }
  .intro, .section-grid { grid-template-columns: 1fr; gap: 24px; padding-block: 40px; }
  .intro { gap: 28px; }
  .inspector .section-grid { gap: 20px; }
  figcaption { flex-direction: column; gap: 8px; }
  .facts > div { grid-template-columns: 64px 1fr; gap: 16px; }
  .article-head { padding-block: 40px 28px; }
  .footer { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print {
  :root { font-size: 12px; background: white; color: black; }
  .wrap { width: 100%; }
  .controls, .skip { display: none; }
  .intro, .section-grid { padding-block: 24px; }
  a { color: inherit; }
}