:root {
  color-scheme: dark;
  --bg: #0f1220;
  --surface: #191d2f;
  --text: #f4f0e8;
  --muted: #b9b4c8;
  --accent: #d3a7ff;
  --line: #34394f;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, #30204b 0, transparent 32rem),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
}

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

header,
main,
footer {
  width: min(760px, calc(100% - 32px));
  margin-inline: auto;
}

header {
  padding: 32px 0 18px;
  border-bottom: 1px solid var(--line);
}

header a {
  color: var(--text);
  text-decoration: none;
  font-weight: 750;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 12px;
  font-size: 0.9rem;
}

main {
  padding: 38px 0 56px;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(2rem, 6vw, 3.2rem);
  line-height: 1.1;
}

h2 {
  margin-top: 2.2rem;
  font-size: 1.3rem;
}

.summary {
  padding: 18px;
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.meta,
footer {
  color: var(--muted);
  font-size: 0.9rem;
}

li + li {
  margin-top: 0.45rem;
}

footer {
  padding: 24px 0 40px;
  border-top: 1px solid var(--line);
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}