:root {
  --bg: #0e1822;
  --surface: #16242f;
  --card: #1c2c3a;
  --line: #27394a;
  --text: #e8eef4;
  --muted: #93a5b6;
  --accent: #45d483;
  --measure: 64ch;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  padding: 0 20px 64px;
  background:
    radial-gradient(900px 500px at 78% -160px, rgba(58, 166, 201, 0.16), transparent 70%),
    radial-gradient(700px 420px at -10% 620px, rgba(124, 92, 255, 0.14), transparent 70%),
    var(--bg);
  color: var(--text);
  font: 400 17px/1.65 "Segoe UI", Roboto, -apple-system, BlinkMacSystemFont, Helvetica, Arial, sans-serif;
}

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 22px;
  max-width: var(--measure);
  margin: 0 auto;
  padding: 26px 0 8px;
  border-bottom: 1px solid var(--line);
}

.brand {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
}

.top nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  font-size: 14.5px;
}

.top nav a { color: var(--muted); text-decoration: none; }
.top nav a:hover { color: var(--text); }
.top nav a.here { color: var(--accent); }

main {
  max-width: var(--measure);
  margin: 0 auto;
}

h1 {
  margin: 34px 0 10px;
  font-size: clamp(28px, 6vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h2 {
  margin: 38px 0 10px;
  font-size: 20px;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

p { margin: 0 0 16px; }

.lede { color: var(--text); font-size: 18.5px; }

.updated {
  display: inline-block;
  margin-bottom: 26px;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 13.5px;
}

ul { margin: 0 0 18px; padding-left: 22px; }
li { margin-bottom: 9px; }

strong { color: #fff; font-weight: 600; }

a { color: var(--accent); overflow-wrap: anywhere; }
a:hover { color: #6fe4a4; }

.cards {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin: 28px 0 10px;
}

.card {
  display: block;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  color: var(--text);
  text-decoration: none;
}

.card:hover { border-color: var(--accent); }
.card h2 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 14.5px; line-height: 1.5; }

footer {
  max-width: var(--measure);
  margin: 54px auto 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

footer p { margin: 0 0 6px; }
.small { font-size: 13px; }