:root {
  color-scheme: dark;
  --bg: #0b1020;
  --panel: #111a2e;
  --panel-soft: #17233d;
  --line: #2a3a5b;
  --text: #f4f7fb;
  --muted: #aab8cc;
  --faint: #71819b;
  --blue: #70b7ff;
  --green: #61d095;
  --orange: #ffbf69;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 8% 0%, rgba(112, 183, 255, .14), transparent 32rem),
    radial-gradient(circle at 95% 15%, rgba(97, 208, 149, .08), transparent 28rem),
    var(--bg);
  color: var(--text);
  font: 16px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

main {
  width: min(980px, calc(100% - 40px));
  margin: 0 auto;
  padding: 48px 0 80px;
}

header { margin-bottom: 34px; }

h1 {
  margin: 0 0 12px;
  font-size: clamp(2.4rem, 7vw, 4.8rem);
  line-height: 1;
  letter-spacing: -.05em;
}

h2 { margin: 48px 0 14px; font-size: 1.85rem; }
h3 { margin: 28px 0 8px; }
p, li { color: var(--muted); }
a { color: var(--blue); }
code, pre, kbd { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }
code { color: var(--text); }

pre {
  overflow-x: auto;
  margin: 16px 0;
  padding: 17px 19px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #070b16;
  color: var(--text);
  font-size: .9rem;
  line-height: 1.55;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.lead { max-width: 800px; font-size: 1.2rem; }

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 38px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(17, 26, 46, .8);
}

nav a {
  padding: 5px 9px;
  border-radius: 7px;
  color: var(--muted);
  text-decoration: none;
}

nav a:hover, nav a:focus { background: var(--panel-soft); color: var(--text); }

.panel {
  margin: 22px 0;
  padding: 22px 26px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(17, 26, 46, .72);
}

.callout {
  margin: 20px 0;
  padding: 15px 18px;
  border-left: 3px solid var(--orange);
  background: rgba(255, 191, 105, .08);
}

table { width: 100%; border-collapse: collapse; margin: 16px 0; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--text); }
td { color: var(--muted); }

.muted { color: var(--faint); }

@media (max-width: 620px) {
  main { width: min(100% - 24px, 980px); padding-top: 28px; }
  .panel { padding: 18px; }
  th, td { padding: 8px 6px; }
}