:root {
  --bg: #07090c;
  --panel: #0d1014;
  --line: #ffffff12;
  --text: #f2f2ef;
  --muted: #9aa0a6;
  --subtle: #ffffff6b;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; background: var(--bg); color: var(--text); font-family: Helvetica, Helvetica Neue, Arial, sans-serif; }
a { color: #c9d4dc; }
.docs { display: grid; grid-template-columns: 260px 1fr; min-height: 100%; }
.sidebar {
  border-right: 1px solid var(--line);
  padding: 22px 18px 28px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: sticky;
  top: 0;
  height: 100dvh;
}
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 500; letter-spacing: -0.03em; }
.brand img { width: 26px; height: 26px; object-fit: contain; }
.brand em { font-style: normal; color: var(--muted); font-size: 12px; margin-left: 4px; border: 1px solid var(--line); border-radius: 6px; padding: 2px 6px; }
.nav-label { color: #ffffff55; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; margin: 16px 0 8px; }
.nav-link { display: block; color: var(--muted); text-decoration: none; font-size: 14px; padding: 7px 10px; border-radius: 8px; }
.nav-link:hover, .nav-link.active { background: #ffffff0f; color: #fff; }
.launch { margin-top: auto; text-decoration: none; color: #000; background: #fff; border-radius: 10px; text-align: center; padding: 10px; font-size: 13px; font-weight: 500; }
.content { max-width: 820px; padding: 28px 56px 80px; }
.top { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 13px; margin-bottom: 36px; }
.pill { color: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; text-decoration: none; font-size: 12px; }
.kicker { color: #89b5c9; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 10px; }
h1 { font-size: 42px; letter-spacing: -0.05em; font-weight: 400; }
h2 { font-size: 28px; letter-spacing: -0.04em; font-weight: 400; margin-top: 8px; }
h3 { font-size: 16px; font-weight: 500; margin: 18px 0 8px; }
.lead, article p, article li { color: var(--muted); line-height: 1.65; font-size: 15px; }
.lead { font-size: 17px; margin: 14px 0 28px; }
article { padding: 28px 0 12px; border-top: 1px solid var(--line); }
article:first-of-type { border-top: 0; padding-top: 0; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 24px; }
.cards div { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.cards h3 { margin: 0 0 8px; color: #fff; }
.steps { padding-left: 18px; display: grid; gap: 12px; margin-top: 16px; }
.note { font-size: 13px; color: #ffffff66; margin-top: 12px; }
code { font-size: 13px; background: #ffffff10; padding: 1px 6px; border-radius: 6px; }
ul { margin: 12px 0 0 18px; display: grid; gap: 8px; }
@media (max-width: 860px) {
  .docs { grid-template-columns: 1fr; }
  .sidebar { height: auto; position: relative; }
  .content { padding: 24px 20px 60px; }
  .cards { grid-template-columns: 1fr; }
}