:root {
  color-scheme: light;
  --accent: #f85d23;
  --ink: #172033;
  --muted: #617089;
  --line: #d9e0ea;
  --panel: #f7f9fc;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.55;
}
a { color: #d94d1c; text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}
pre {
  overflow-x: auto;
  background: #111827;
  color: #f8fafc;
  border-radius: 8px;
  padding: 16px;
  font-size: 13px;
}
code {
  background: #edf1f7;
  border-radius: 4px;
  padding: 2px 5px;
  font-size: 0.93em;
}
pre code { background: transparent; padding: 0; }
.shell { color: #c7f9cc; }
.layout {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}
header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.96);
}
.topbar {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 700;
}
.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
}
nav {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 13px;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font-weight: 650;
}
.button:hover { text-decoration: none; background: #e5501a; }
.hero {
  padding: 48px 0 32px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #fff 0%, #f8fafc 100%);
}
.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-weight: 750;
  font-size: 12px;
}
h1 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1.03;
  letter-spacing: 0;
}
h2 { margin-top: 38px; font-size: 25px; }
h3 { margin-top: 26px; font-size: 18px; }
p { max-width: 820px; }
.lead {
  color: var(--muted);
  font-size: 18px;
  max-width: 780px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 22px 0 0;
}
.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: #fff;
}
.card h3 { margin: 0 0 6px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.content {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 34px;
  padding: 34px 0 56px;
}
.side {
  position: sticky;
  top: 88px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
}
.side a {
  padding: 6px 0;
  color: var(--muted);
}
.side strong {
  margin-top: 10px;
  color: var(--ink);
}
.doc table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 14px;
}
.doc th, .doc td {
  border-bottom: 1px solid var(--line);
  padding: 10px 8px;
  text-align: left;
  vertical-align: top;
}
.doc th { color: var(--muted); font-weight: 650; }
.note {
  border-left: 3px solid var(--accent);
  background: var(--panel);
  padding: 12px 14px;
  border-radius: 0 8px 8px 0;
}
footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  padding: 22px 0;
}
@media (max-width: 820px) {
  .topbar { align-items: flex-start; flex-direction: column; padding: 14px 0; }
  nav { gap: 10px; }
  .grid { grid-template-columns: 1fr; }
  .content { grid-template-columns: 1fr; }
  .side { position: static; border-bottom: 1px solid var(--line); padding-bottom: 18px; }
  h1 { font-size: 36px; }
}