:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #5f6b76;
  --accent: #128c7e;
  --border: #e3e7ea;
  --card: #f7f9fa;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --fg: #ececec;
    --muted: #9aa5ad;
    --accent: #25d366;
    --border: #2a2f33;
    --card: #1b1f22;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.wrap {
  max-width: 44rem;
  margin: 0 auto;
  padding: 3rem 1.25rem 5rem;
}

header { margin-bottom: 2.5rem; }

h1 {
  font-size: 1.75rem;
  line-height: 1.25;
  margin: 0 0 .5rem;
  letter-spacing: -.01em;
}

h2 {
  font-size: 1.1rem;
  margin: 2.5rem 0 .75rem;
  letter-spacing: -.005em;
}

p, ul, ol { margin: 0 0 1rem; }
ul, ol { padding-left: 1.4rem; }
li { margin-bottom: .35rem; }

a { color: var(--accent); }
a:hover { text-decoration: none; }

.meta {
  color: var(--muted);
  font-size: .875rem;
  margin: 0;
}

.lang {
  display: flex;
  gap: .5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.lang a {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .3rem .85rem;
  font-size: .8125rem;
  text-decoration: none;
  color: var(--muted);
}

.lang a[aria-current="page"] {
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

.callout {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  padding: 1rem 1.15rem;
  margin: 0 0 1.75rem;
}

.callout p { margin: 0; }
.callout strong { color: var(--accent); }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.5rem;
  font-size: .9375rem;
  display: block;
  overflow-x: auto;
}

th, td {
  text-align: left;
  padding: .6rem .75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th { font-weight: 600; }

footer {
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .875rem;
}

.projects { list-style: none; padding: 0; }

.projects li {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.15rem;
  margin-bottom: .75rem;
}

.projects h3 { margin: 0 0 .25rem; font-size: 1rem; }
.projects p { margin: 0 0 .5rem; color: var(--muted); font-size: .9375rem; }