:root {
  color-scheme: light;
  --canvas: #f7f4ef;
  --surface: #fffdf9;
  --ink: #211d19;
  --muted: #655e56;
  --line: #d8d0c7;
  --signal: #d94e00;
  --signal-dark: #813000;
  --signal-soft: #fff0e5;
  --focus: #1263a3;
  --max: 72rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(115deg, rgb(217 78 0 / 7%), transparent 38rem),
    var(--canvas);
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
}

a {
  color: var(--signal-dark);
  font-weight: 700;
  text-decoration-thickness: .1em;
  text-underline-offset: .2em;
}

a:hover {
  color: var(--signal);
}

a:focus-visible,
summary:focus-visible {
  border-radius: .2rem;
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: .75rem;
  left: .75rem;
  padding: .65rem .9rem;
  border: 2px solid var(--ink);
  background: var(--surface);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgb(247 244 239 / 92%);
}

.header-inner,
.page,
.site-footer-inner {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-height: 4.75rem;
}

.brand {
  color: var(--signal);
  font-size: 1.55rem;
  font-weight: 950;
  letter-spacing: -.045em;
  text-decoration: none;
}

.header-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: .4rem 1.15rem;
  font-size: .93rem;
}

.header-nav a[aria-current="page"] {
  color: var(--ink);
  text-decoration-thickness: .16em;
}

.page {
  padding-block: clamp(2.75rem, 7vw, 5.5rem);
}

.hero {
  max-width: 57rem;
  margin-bottom: clamp(2.5rem, 6vw, 4.75rem);
}

.eyebrow {
  margin: 0 0 .75rem;
  color: var(--signal-dark);
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .13em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-weight: 900;
  letter-spacing: -.035em;
  line-height: 1.1;
}

h1 {
  max-width: 16ch;
  margin: 0;
  font-size: clamp(2.5rem, 8vw, 5.5rem);
}

h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.5rem, 4vw, 2.25rem);
}

h3 {
  margin: 0 0 .45rem;
  font-size: 1.12rem;
  letter-spacing: -.015em;
}

.lede {
  max-width: 47rem;
  margin: 1.35rem 0 0;
  color: var(--muted);
  font-size: clamp(1.06rem, 2.4vw, 1.3rem);
}

.updated {
  margin: 1.25rem 0 0;
  color: var(--muted);
  font-size: .9rem;
}

.notice {
  max-width: 58rem;
  margin: 1.75rem 0 0;
  padding: 1rem 1.15rem;
  border-left: .32rem solid var(--signal);
  background: var(--signal-soft);
}

.notice p {
  margin: 0;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: .8rem 1.2rem;
  border: 2px solid var(--ink);
  background: var(--ink);
  color: #fff;
  font-weight: 850;
  text-decoration: none;
}

.button:hover {
  background: var(--signal);
  color: #fff;
}

.button-secondary {
  background: transparent;
  color: var(--ink);
}

.button-secondary:hover {
  border-color: var(--signal);
  background: var(--signal-soft);
  color: var(--signal-dark);
}

.layout {
  display: grid;
  grid-template-columns: minmax(13rem, 17rem) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 5.5rem);
  align-items: start;
}

.toc {
  position: sticky;
  top: 1.25rem;
  padding: 1.1rem;
  border: 1px solid var(--line);
  background: var(--surface);
}

.toc strong {
  display: block;
  margin-bottom: .5rem;
  font-size: .82rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.toc ol {
  margin: 0;
  padding-left: 1.2rem;
}

.toc li + li {
  margin-top: .4rem;
}

.toc a {
  color: var(--muted);
  font-size: .92rem;
  font-weight: 650;
}

.content {
  min-width: 0;
}

.content section {
  scroll-margin-top: 1.25rem;
  padding-bottom: 2.2rem;
  border-bottom: 1px solid var(--line);
}

.content section + section {
  padding-top: 2.2rem;
}

.content p,
.content ul,
.content ol {
  max-width: 48rem;
}

.content ul,
.content ol {
  padding-left: 1.35rem;
}

.content li + li {
  margin-top: .65rem;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  max-width: none;
  padding: 0;
  list-style: none;
}

.data-grid li {
  margin: 0;
  padding: 1.2rem;
  border: 1px solid var(--line);
  background: var(--surface);
}

.steps {
  max-width: 52rem;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.steps li {
  position: relative;
  min-height: 4rem;
  margin: 0;
  padding: .25rem 0 1.5rem 4rem;
  counter-increment: steps;
}

.steps li::before {
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  place-content: center;
  border: 2px solid var(--ink);
  color: var(--signal-dark);
  content: counter(steps, decimal-leading-zero);
  font-weight: 900;
}

.steps li + li {
  margin-top: .75rem;
}

.site-footer {
  padding-block: 2rem;
  border-top: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  font-size: .9rem;
}

.site-footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .75rem 2rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 48rem) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 1rem;
  }

  .header-nav {
    justify-content: flex-start;
  }

  .layout {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
  }

  .data-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

@media print {
  body {
    background: #fff;
  }

  .skip-link,
  .header-nav,
  .toc,
  .actions {
    display: none;
  }

  .page,
  .site-footer {
    padding-block: 1rem;
  }

  .layout {
    display: block;
  }

  a {
    color: inherit;
  }
}