:root {
  color-scheme: light dark;
  --background: #fafbfd;
  --surface: #ffffff;
  --text: #202732;
  --muted: #4b5868;
  --line: #c9d2df;
  --link: #245e98;
  --tint: #edf4fd;
  --accent: #206650;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 100%;
  line-height: 1.7;
  letter-spacing: 0;
}
@media (prefers-color-scheme: dark) {
  :root {
    --background: #111418;
    --surface: #191d23;
    --text: #f5f7fb;
    --muted: #b5c0cf;
    --line: #3d4653;
    --link: #9cc5ff;
    --tint: #222f40;
    --accent: #8bddbb;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--background); color: var(--text); }
a { color: var(--link); text-underline-offset: .2em; }
a:hover { text-decoration-thickness: .13em; }
a, p, h1, h2, h3, h4, summary, li { overflow-wrap: anywhere; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.wrap {
  max-width: 72rem;
  margin-inline: auto;
  padding-left: max(1.25rem, env(safe-area-inset-left));
  padding-right: max(1.25rem, env(safe-area-inset-right));
}
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  padding-top: max(1rem, env(safe-area-inset-top));
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: .75rem; color: var(--text); font-size: 1.25rem; font-weight: 700; text-decoration: none; }
.brand picture { flex: 0 0 48px; }
.brand img { display: block; object-fit: contain; }
.site-header nav, .site-footer nav, .actions { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; }
.site-header nav a, .site-footer nav a { padding-block: .5rem; }
a[aria-current="page"] { font-weight: 700; }
.page-heading { padding-block: 2.5rem 1.5rem; }
.eyebrow { color: var(--accent); font-weight: 600; margin-bottom: .5rem; }
h1 { font-size: 2.5rem; line-height: 1.2; margin: 0 0 1rem; }
h2 { font-size: 1.5rem; line-height: 1.35; margin: 0 0 1rem; }
h3 { font-size: 1.125rem; line-height: 1.5; margin: 1.5rem 0 .75rem; }
h4 { font-size: 1rem; margin: 0 0 .5rem; }
p { max-width: 78ch; margin: 0 0 1rem; }
.lead { font-size: 1.125rem; color: var(--muted); }
.muted { color: var(--muted); }
section, .contents { padding-block: 2rem; border-top: 1px solid var(--line); }
section, h2, details { scroll-margin-top: 1rem; }
.contents ul, .contents ol { columns: 2 20rem; padding-left: 1.5rem; }
li { margin-bottom: .6rem; }
.contents li { break-inside: avoid; }
.actions { margin-block: 1.5rem .5rem; font-weight: 600; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr)); gap: 1rem; }
.feature { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 1.25rem; min-width: 0; }
.feature h3 { margin-top: 0; }
details { border-bottom: 1px solid var(--line); }
details:target { background: var(--tint); }
summary { cursor: pointer; padding: 1rem .25rem; font-weight: 600; }
summary::marker { color: var(--link); }
.answer { padding: .5rem 1rem 1.25rem; }
.steps { padding-left: 1.5rem; }
.steps li { padding-left: .25rem; margin-bottom: 1.25rem; }
.tip { border-left: 3px solid var(--accent); padding: .25rem 0 .25rem 1rem; margin-block: 1rem; }
.tip p:last-child { margin-bottom: 0; }
.site-footer { border-top: 1px solid var(--line); padding-top: 1.5rem; padding-bottom: max(2rem, env(safe-area-inset-bottom)); }
.site-footer p { color: var(--muted); margin-top: 1rem; }
.skip-link { position: absolute; top: 0; left: 1rem; transform: translateY(-120%); background: var(--surface); padding: .75rem; z-index: 1; }
.skip-link:focus { transform: translateY(0); }
@media (max-width: 35rem) {
  h1 { font-size: 2rem; }
  .page-heading { padding-top: 1.75rem; }
  .answer { padding-inline: .25rem; }
}
@media print {
  .site-header, .site-footer, .skip-link, .contents { display: none; }
  body { background: white; color: black; }
  a { color: black; }
  details::details-content { content-visibility: visible; }
  .feature { break-inside: avoid; }
}