:root {
  color-scheme: light dark;
  --bg: #f7f9fc;
  --surface: rgba(255, 255, 255, .86);
  --text: #10182a;
  --muted: #596579;
  --line: rgba(30, 54, 92, .13);
  --accent: #1769d1;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1020;
    --surface: rgba(19, 28, 48, .9);
    --text: #f3f7ff;
    --muted: #aebbd0;
    --line: rgba(181, 204, 240, .16);
    --accent: #65b8ff;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 20% -10%, rgba(31, 125, 255, .18), transparent 34rem),
    var(--bg);
  color: var(--text);
  font: 16px/1.62 -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
}
main { width: min(820px, calc(100% - 36px)); margin: 64px auto; }
header, article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 18px 60px rgba(8, 20, 45, .08);
}
header { padding: 34px; margin-bottom: 20px; }
article { padding: 34px; }
.brand { display: flex; align-items: center; gap: 14px; }
.brand img { width: 56px; height: 56px; border-radius: 13px; }
h1 { margin: 0; font-size: clamp(30px, 5vw, 44px); letter-spacing: -.035em; }
h2 { margin: 34px 0 10px; font-size: 22px; letter-spacing: -.015em; }
p, li { color: var(--muted); }
a { color: var(--accent); }
.eyebrow { margin: 15px 0 0; color: var(--accent); font-weight: 650; }
.meta { margin: 8px 0 0; font-size: 14px; }
nav { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 10px; }
nav a { padding: 8px 12px; border: 1px solid var(--line); border-radius: 10px; text-decoration: none; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
footer { padding: 24px 4px; color: var(--muted); font-size: 13px; text-align: center; }