:root {
  color-scheme: light;
  --paper: #f5f3ec;
  --panel: #fffdf7;
  --ink: #242c27;
  --muted: #515e55;
  --line: #bbc2b7;
  --green: #294f3b;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 1rem/1.65 Arial, Helvetica, sans-serif;
}
a { color: var(--green); text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--green); outline-offset: 4px; }
.shell { width: min(100% - 2.5rem, 64rem); margin-inline: auto; }
.skip-link {
  position: absolute;
  left: 1rem;
  top: .5rem;
  padding: .7rem 1rem;
  background: var(--panel);
  transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }
.masthead {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  padding-block: 1.4rem;
  border-bottom: 1px solid var(--line);
}
.brand { font-size: 1.25rem; font-weight: 700; text-decoration: none; }
nav { display: flex; flex-wrap: wrap; gap: .5rem 1.2rem; }
nav a { display: inline-block; padding-block: .6rem; }
main { padding-block: 3.5rem; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 1rem; }
h1 { max-width: 19ch; font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: -.035em; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.05rem; }
p { margin: 0 0 1rem; max-width: 65ch; }
.lead { font-size: 1.15rem; max-width: 52ch; }
.eyebrow { color: var(--muted); font-size: .85rem; margin-bottom: 1rem; }
.hero { padding-bottom: 2.5rem; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; margin-block: 1.5rem; }
.button {
  display: inline-block;
  padding: .75rem 1.1rem;
  border: 1px solid var(--green);
  text-decoration: none;
  font-weight: 700;
}
.button.primary { color: var(--panel); background: var(--green); }
.button:hover { text-decoration: underline; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.card { background: var(--panel); border: 1px solid var(--line); padding: 1.6rem; }
section + section { margin-top: 2.5rem; }
.grid section + section { margin-top: 0; }
.prose { max-width: 46rem; }
li { margin-bottom: .5rem; }
ul, ol { padding-left: 1.4rem; }
pre {
  overflow-x: auto;
  padding: 1.2rem;
  border: 1px solid var(--line);
  background: var(--panel);
  font: .95rem/1.8 ui-monospace, Consolas, monospace;
}
.note { color: var(--muted); font-size: .95rem; }
footer { border-top: 1px solid var(--line); padding-block: 1.8rem 2.5rem; }
footer nav { margin-bottom: 1rem; }
footer p { font-size: .9rem; overflow-wrap: anywhere; }

@media (max-width: 42rem) {
  .grid { grid-template-columns: 1fr; }
  main { padding-block: 2.5rem; }
  .card { padding: 1.2rem; }
  .actions { align-items: stretch; flex-direction: column; }
  .button { text-align: center; overflow-wrap: anywhere; }
}