:root {
  color-scheme: dark;
  --bg: #06070d;
  --panel: #10121c;
  --text: #f5f6fb;
  --muted: #a9adbd;
  --cyan: #00e7f2;
  --yellow: #ffe000;
  --line: #292d3d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: var(--cyan);
}

header,
main,
footer {
  width: min(820px, calc(100% - 36px));
  margin-inline: auto;
}

header {
  padding: 48px 0 24px;
  border-bottom: 1px solid var(--line);
}

.brand {
  margin: 0;
  font-size: clamp(28px, 6vw, 44px);
  line-height: 1.1;
}

.brand span {
  color: var(--cyan);
}

.tagline,
.updated,
footer {
  color: var(--muted);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

nav a {
  padding: 8px 12px;
  border: 1px solid var(--line);
  text-decoration: none;
}

main {
  padding: 30px 0 56px;
}

section {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

h1,
h2,
h3 {
  line-height: 1.25;
}

h2 {
  color: var(--yellow);
  margin-top: 0;
}

li + li {
  margin-top: 7px;
}

.language-note,
.contact {
  padding: 16px 18px;
  background: var(--panel);
  border-left: 3px solid var(--cyan);
}

footer {
  padding: 24px 0 40px;
}