:root {
  --ink: #15161a;
  --ink-soft: #4b4d55;
  --ink-faint: #7d808a;
  --line: #dcdde2;
  --bg: #ffffff;
  --surface: #f4f4f1;
  --accent: #2f46c9;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html { font-size: 17px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

.top {
  border-bottom: 1px solid var(--line);
}
.top .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 60px;
}
.brand {
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.top nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}
.top nav a { color: var(--ink-soft); font-size: 0.94rem; }
.top nav a:hover { color: var(--ink); text-decoration: none; }

.hero { padding: 72px 0 48px; }
.hero h1 {
  font-size: 2.35rem;
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  max-width: 760px;
}
.hero p.lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 700px;
  margin: 0 0 28px;
}
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid var(--ink);
  color: var(--ink);
  font-weight: 500;
  font-size: 0.95rem;
}
.btn:hover { text-decoration: none; background: var(--surface); }
.btn.primary { background: var(--ink); color: #fff; }
.btn.primary:hover { background: #000; }

.status {
  margin-top: 28px;
  padding: 14px 18px;
  background: var(--surface);
  border-radius: 8px;
  font-size: 0.95rem;
  color: var(--ink-soft);
  max-width: 760px;
}
.status strong { color: var(--ink); font-weight: 500; }

section { padding: 40px 0; border-top: 1px solid var(--line); }
section h2 {
  font-size: 1.6rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin: 0 0 16px;
}
section h3 {
  font-size: 1.1rem;
  font-weight: 500;
  margin: 28px 0 8px;
}
section p { max-width: 720px; margin: 0 0 14px; }
section ul { max-width: 720px; padding-left: 22px; margin: 0 0 14px; }
section li { margin-bottom: 6px; }

.grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 20px 0;
}
.card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px;
  background: var(--bg);
}
.card h4 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 500;
}
.card p { font-size: 0.93rem; color: var(--ink-soft); margin: 0; }

pre {
  background: var(--surface);
  border-radius: 8px;
  padding: 16px 18px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.84rem;
  line-height: 1.5;
  margin: 12px 0 18px;
}
code {
  font-family: var(--mono);
  font-size: 0.88em;
}
pre code { font-size: inherit; }

.tablewrap { overflow-x: auto; margin: 12px 0 22px; }
table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.93rem;
}
caption {
  caption-side: bottom;
  text-align: left;
  color: var(--ink-faint);
  font-size: 0.86rem;
  padding-top: 10px;
}
th, td {
  text-align: left;
  padding: 9px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
th {
  font-weight: 500;
  color: var(--ink);
  border-bottom: 2px solid var(--ink);
}
th.num, td.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }

.note {
  font-size: 0.93rem;
  color: var(--ink-soft);
  max-width: 720px;
}

footer {
  border-top: 1px solid var(--line);
  padding: 32px 0 48px;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (max-width: 720px) {
  html { font-size: 16px; }
  .hero { padding: 48px 0 36px; }
  .hero h1 { font-size: 1.85rem; }
  .grid3 { grid-template-columns: 1fr; }
  .top .wrap { height: auto; padding: 14px 24px; flex-direction: column; align-items: flex-start; }
}