:root {
  color-scheme: light;
  font-family: "Inter", system-ui, sans-serif;
  color: #1c211f;
  background: #fff;
  --muted: #505c55;
  --line: #e0e6e2;
  --accent: #176447;
  --soft: #eaf5ef;
}
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.6; }
a { color: var(--accent); text-underline-offset: .18em; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.skip { position: fixed; top: .5rem; left: .5rem; z-index: 3; transform: translateY(-160%); background: #fff; padding: .5rem; }
.skip:focus { transform: none; }
header { position: sticky; top: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 65px; padding: .5rem clamp(1rem, 4vw, 3rem); border-bottom: 1px solid var(--line); background: #fff; }
header a { text-decoration: none; }
.brand { font-size: 1.22rem; font-weight: 800; color: #1c211f; white-space: nowrap; }
.brand span { color: var(--accent); }
.brand small { font-size: .8rem; font-weight: 500; color: var(--muted); margin-left: .55rem; padding-left: .65rem; border-left: 1px solid var(--line); }
.layout { max-width: 1280px; margin: auto; display: grid; grid-template-columns: 233px minmax(0, 1fr); }
nav { position: sticky; top: 65px; max-height: calc(100dvh - 65px); overflow: auto; align-self: start; border-right: 1px solid var(--line); padding: 1.4rem 1rem 2rem; min-height: min(635px, calc(100dvh - 65px)); }
nav p { color: var(--muted); font-weight: 650; font-size: .8rem; margin: 1.1rem .7rem .3rem; }
nav a { display: block; padding: .36rem .7rem; border-radius: .5rem; font-size: .94rem; text-decoration: none; color: inherit; }
nav a:hover, nav a[aria-current] { color: var(--accent); background: var(--soft); }
nav a[aria-current] { font-weight: 700; }
main { max-width: 925px; padding: clamp(2rem, 5vw, 4.35rem); min-width: 0; }
h1 { margin: 0; font-size: clamp(2.3rem, 5vw, 3.5rem); line-height: 1.08; letter-spacing: -.04em; }
h2 { margin: 2.2rem 0 1rem; font-size: 1.38rem; letter-spacing: -.025em; }
.intro { max-width: 62ch; color: var(--muted); font-size: 1.15rem; }
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .8rem; }
.cards a { display: grid; gap: .28rem; padding: 1rem 1.1rem; color: var(--muted); text-decoration: none; border: 1px solid var(--line); border-radius: .7rem; }
.cards strong { display: flex; justify-content: space-between; gap: .5rem; color: #1c211f; }
.cards strong span { color: var(--accent); }
.cards a:hover { border-color: var(--accent); background: #f6fbf8; }
ol { padding-left: 1.4rem; }
li { padding-left: .25rem; margin-bottom: .55rem; }
.note { color: var(--muted); margin: 1.4rem 0; }
.button { display: inline-block; background: var(--accent); color: #fff; font-weight: 650; border-radius: .55rem; padding: .55rem 1rem; text-decoration: none; }
.help { margin-top: 2rem; padding: 1.1rem 1.25rem; border: 1px solid var(--line); border-radius: .7rem; background: #f7f9f8; overflow-wrap: anywhere; }
.help p { margin: .35rem 0; color: var(--muted); }
#menu { display: none; }
@media (max-width: 700px) {
  header > a:nth-of-type(2) { display: none; }
  .layout { display: block; }
  nav { position: static; border-right: 0; border-bottom: 1px solid var(--line); min-height: 0; max-height: none; }
  .menu-ready nav:not(.open) { display: none; }
  .menu-ready #menu { display: inline-block; padding: .45rem .7rem; background: #fff; border: 1px solid var(--line); border-radius: .45rem; font: inherit; color: inherit; }
}
@media (max-width: 440px) {
  .cards { grid-template-columns: 1fr; }
  main { padding-inline: 1rem; }
}