:root {
  --fg: #1b2230;
  --muted: #6a7386;
  --line: #dfe3ec;
  --accent: #2b5c8a;
  --bg: #ffffff;
  --code-bg: #f4f6fa;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.wrap {
  width: min(980px, calc(100% - 40px));
  margin: 0 auto;
}

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

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}

.brand {
  font-weight: 650;
  letter-spacing: .01em;
  color: var(--fg);
  text-decoration: none;
}

nav a {
  margin-left: 22px;
  color: var(--muted);
  text-decoration: none;
  font-size: 15px;
}

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

main { padding: 48px 0 64px; }

h1 {
  font-size: clamp(28px, 3.4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}

h2 {
  font-size: 19px;
  margin: 36px 0 10px;
}

p { margin: 0 0 14px; max-width: 68ch; }

.lead {
  font-size: 18px;
  color: var(--muted);
  max-width: 62ch;
}

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

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin: 34px 0 8px;
}

.grid article {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 18px 6px;
}

.grid h2 { margin: 0 0 8px; font-size: 17px; }

pre {
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 14px;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.94em;
}

.status {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0 4px;
  font-size: 15px;
}

.status th, .status td {
  text-align: left;
  padding: 11px 8px;
  border-bottom: 1px solid var(--line);
  font-weight: 400;
}

.status th { width: 40%; color: var(--fg); }

.ok { color: #1d7a4c; }

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

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  padding: 22px 0 34px;
}

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

@media (max-width: 560px) {
  nav a { margin-left: 14px; font-size: 14px; }
  main { padding: 32px 0 48px; }
}