:root {
  color-scheme: light dark;
  --brand: #49358b;
  --electric: #ffd66b;
  --background: #f5f4f8;
  --surface: #ffffff;
  --text: #242130;
  --secondary: #706c7c;
  --border: #e3e0ea;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

main {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 72px;
}

header { margin-bottom: 32px; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--brand);
  font-weight: 700;
  text-decoration: none;
}

.mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 50%;
  background: var(--electric);
  color: var(--brand);
  font-size: 24px;
}

h1 { margin: 24px 0 8px; font-size: clamp(2rem, 6vw, 3rem); line-height: 1.1; }
h2 { margin: 32px 0 8px; font-size: 1.35rem; line-height: 1.25; }
p, ul, ol { margin: 8px 0 16px; }
li + li { margin-top: 6px; }
a { color: var(--brand); }

.lead { color: var(--secondary); font-size: 1.1rem; }
.updated { color: var(--secondary); font-size: .9rem; }

.card {
  margin: 24px 0;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #141318;
    --surface: #211f27;
    --text: #f2eff6;
    --secondary: #b9b3c4;
    --border: #3a3544;
    --brand: #c6b6ff;
  }
}