:root {
  --fg: #1a1a1a;
  --fg-soft: #555;
  --bg: #ffffff;
  --bg-soft: #f7f7f8;
  --accent: #d50c2d;
  --accent-soft: #fef0f3;
  --border: #e4e4e7;
  --code-bg: #1a1a1a;
  --code-fg: #f1f1f1;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
nav {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.25rem max(2rem, calc((100% - 1080px) / 2));
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: rgba(255,255,255,.95); backdrop-filter: blur(8px);
}
nav .brand { font-weight: 700; font-size: 1.1rem; }
nav .brand span { color: var(--accent); }
nav ul { display: flex; gap: 1.5rem; list-style: none; margin: 0; padding: 0; }
nav ul a { color: var(--fg); font-size: .95rem; }
main { max-width: 1200px; margin: 0 auto; padding: 2rem 1.5rem 3rem; }
section { margin: 3.5rem 0; }
h1 { font-size: clamp(1.85rem, 4.5vw, 2.6rem); line-height: 1.15; margin: 0 0 .75rem; letter-spacing: -.02em; }
h2 { font-size: 1.4rem; margin: 0 0 1rem; letter-spacing: -.01em; }
h3 { font-size: 1.05rem; margin: 0 0 .75rem; font-weight: 600; }
.lead { font-size: 1.1rem; color: var(--fg-soft); max-width: 680px; line-height: 1.55; }
.cta { display: inline-block; margin-top: 1rem; padding: .75rem 1.25rem;
       background: var(--accent); color: white; border-radius: 6px; font-weight: 600;
       text-decoration: none; }
.cta:hover { background: #b9092a; text-decoration: none; }
.cta.secondary { background: var(--bg-soft); color: var(--fg); border: 1px solid var(--border); }
pre.code { background: var(--code-bg); color: var(--code-fg); padding: 1rem 1.25rem;
           border-radius: 8px; overflow-x: auto; font: 14px/1.6 "SF Mono", Menlo, monospace; }
.grid { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid.wide { grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); }
.card { padding: 1.75rem; background: var(--bg-soft); border-radius: 12px; border: 1px solid var(--border); display: flex; flex-direction: column; gap: .5rem; }
.card h3 { color: var(--accent); font-size: .85rem; text-transform: uppercase; letter-spacing: .04em; margin-bottom: .25rem; }
.card .figure { font-size: 2.25rem; font-weight: 700; line-height: 1; margin: .25rem 0 .5rem; letter-spacing: -.02em; }
.card .figure.small { font-size: 1.4rem; }
.card table { margin-top: .75rem; }
.card .row-link { color: var(--accent); font-weight: 500; font-size: .9rem; margin-top: auto; padding-top: 1rem; display: inline-block; }
@media (max-width: 720px) {
  .grid, .grid.wide { grid-template-columns: 1fr; }
  main { padding: 1.5rem 1rem; }
  section { margin: 2.25rem 0; }
}
.kbd { font: 13px/1 "SF Mono", Menlo, monospace; background: var(--bg-soft);
       border: 1px solid var(--border); padding: 2px 6px; border-radius: 4px; }
table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
th, td { text-align: left; padding: .5rem .75rem; border-bottom: 1px solid var(--border); }
th { background: var(--bg-soft); font-size: .85rem; text-transform: uppercase; color: var(--fg-soft); }
.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .8rem; font-weight: 600; }
.pill.ok { background: #e0f3e3; color: #1d6f30; }
.pill.warn { background: #fef0c2; color: #8a5a00; }
.pill.bad { background: var(--accent-soft); color: var(--accent); }
.pill.idle { background: var(--bg-soft); color: var(--fg-soft); }
footer { border-top: 1px solid var(--border); padding: 2rem; text-align: center;
         color: var(--fg-soft); font-size: .9rem; margin-top: 4rem; }
.hero { padding: 4rem 0 2rem; }
.muted { color: var(--fg-soft); font-size: .9rem; }
.quote { font-style: italic; color: var(--fg-soft); margin: 1rem 0; }
.row { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }