:root {
  color-scheme: light dark;
  --bg: #f7f6f2;
  --surface: #ffffff;
  --text: #16181d;
  --muted: #555a64;
  --border: #dcd9d1;
  --accent: #b84a00;
  --brand: #ff6600;
  --measure: 42rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121316;
    --surface: #1b1d22;
    --text: #f3f1ec;
    --muted: #b3b7bf;
    --border: #33363d;
    --accent: #ff9147;
  }
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  overflow-wrap: break-word;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent);
  text-underline-offset: 0.15em;
}

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

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

.skip {
  position: absolute;
  left: -9999px;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 1;
  padding: 0.5rem 0.75rem;
  background: var(--surface);
}

.wrap {
  width: 100%;
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 1rem;
}

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

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
  font-weight: 700;
  font-size: 1.125rem;
  text-decoration: none;
}

.brand img {
  width: 2rem;
  height: 2rem;
}

main {
  padding-top: 1.5rem;
  padding-bottom: 2.5rem;
}

h1 {
  font-size: 1.75rem;
  line-height: 1.25;
  margin: 0 0 0.5rem;
}

h2 {
  font-size: 1.25rem;
  line-height: 1.3;
  margin: 2rem 0 0.5rem;
}

h3 {
  font-size: 1.05rem;
  margin: 1.25rem 0 0.25rem;
}

ul,
ol {
  padding-left: 1.25rem;
}

li + li {
  margin-top: 0.25rem;
}

.updated {
  color: var(--muted);
  margin: 0 0 1rem;
}



.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th,
td {
  text-align: left;
  vertical-align: top;
  padding: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
}

.toc ol {
  margin: 0.25rem 0 0;
}

.site-footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer .wrap {
  padding-top: 1rem;
  padding-bottom: 1.5rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

/* Landing */
.landing {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem 1rem;
}

.landing h1 {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.lockup img {
  display: block;
  width: min(20rem, 80vw);
  margin: 0 auto 1.5rem;
}

.tagline {
  max-width: 32rem;
  font-size: 1.125rem;
  margin: 0 auto 1.5rem;
}

.links {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.5rem;
}

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

.contact {
  color: var(--muted);
  margin: 0;
}