:root {
  --bg: #f7f6f2;
  --surface: #ffffff;
  --text: #1c1b19;
  --muted: #58554e;
  --line: #dedad1;
  --accent: #1f5c4d;
  --accent-soft: #e3eee9;
  --focus: #b3480f;
  --measure: 42rem;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141513;
    --surface: #1d1f1c;
    --text: #ecebe6;
    --muted: #b1ada3;
    --line: #34362f;
    --accent: #8fd1bb;
    --accent-soft: #1f2e29;
    --focus: #f2a36b;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 1.0625rem/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a {
  color: var(--accent);
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -3rem;
  padding: 0.5rem 0.75rem;
  background: var(--surface);
  color: var(--text);
  z-index: 1;
}

.skip:focus {
  top: 1rem;
}

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 1rem;
}

header.site {
  border-bottom: 1px solid var(--line);
}

header.site .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  font-weight: 650;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand svg {
  width: 1.6rem;
  height: 1.6rem;
  flex: none;
}

nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

nav li + li {
  margin-top: 0;
}

nav a {
  display: inline-block;
  padding: 0.25rem 0;
  color: var(--muted);
  text-decoration: none;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--text);
  text-decoration: underline;
}

main {
  padding: 3rem 0 4rem;
}

h1,
h2,
h3 {
  line-height: 1.25;
  letter-spacing: -0.015em;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.9rem, 5vw, 2.6rem);
}

h2 {
  margin: 2.75rem 0 0.75rem;
  font-size: 1.35rem;
}

h3 {
  margin: 1.75rem 0 0.5rem;
  font-size: 1.1rem;
}

p,
ul,
ol,
dl {
  margin: 0 0 1rem;
}

li + li {
  margin-top: 0.35rem;
}

.lede {
  color: var(--muted);
  font-size: 1.2rem;
}

.meta {
  color: var(--muted);
  font-size: 0.95rem;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
}

.links li + li {
  margin-top: 0;
}

.button {
  display: inline-block;
  padding: 0.6rem 1rem;
  border: 1px solid var(--accent);
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
}

.button.primary {
  background: var(--accent);
  color: var(--bg);
}

.note {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 6px 6px 0;
}

.note > :last-child {
  margin-bottom: 0;
}

.cards {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  margin: 1rem 0;
}

.card {
  padding: 1.1rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.card h3 {
  margin-top: 0;
}

.card > :last-child {
  margin-bottom: 0;
}

dl.facts dt {
  font-weight: 600;
}

dl.facts dd {
  margin: 0 0 0.9rem;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  overflow-wrap: anywhere;
}

footer.site {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}

footer.site .wrap {
  padding-top: 1.5rem;
  padding-bottom: 2rem;
}

footer.site p {
  margin: 0 0 0.4rem;
}