:root {
  --bg: #fbfaf7;
  --fg: #1d1b26;
  --muted: #5d5a6b;
  --line: #e4e1ea;
  --accent: #5b3fd1;
  --card: #ffffff;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0e17;
    --fg: #ecebf3;
    --muted: #a3a0b5;
    --line: #2a2838;
    --accent: #a993ff;
    --card: #171622;
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

.wrap {
  max-width: 44rem;
  margin: 0 auto;
  padding: 0 1rem;
}

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

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

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

.brand img {
  width: 28px;
  height: 28px;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 1rem;
  font-size: 0.95rem;
}

nav a:hover,
nav a[aria-current='page'] {
  color: var(--fg);
}

main {
  padding: 2.5rem 0 3rem;
}

h1 {
  font-size: 2rem;
  line-height: 1.2;
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 1.25rem;
  margin: 2.2rem 0 0.5rem;
}

h3 {
  font-size: 1.05rem;
  margin: 1.5rem 0 0.25rem;
}

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

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

.lede {
  font-size: 1.15rem;
  color: var(--muted);
}

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

.card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.25rem 1.25rem 0.5rem;
  margin: 1.5rem 0;
  background: var(--card);
}

.card h3 {
  margin-top: 0;
}

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

footer.site .wrap {
  padding-top: 1.25rem;
  padding-bottom: 2rem;
}

footer.site a {
  color: var(--muted);
}