:root {
  --bg:        #0b0d10;
  --surface:   #12161b;
  --surface-2: #171c22;
  --border:    #232a33;
  --text:      #e8edf2;
  --muted:     #98a4b3;
  --accent:    #4ea3ff;
  --accent-2:  #2b7fd4;
  --ok:        #45c08a;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); text-decoration: underline; }

.wrap { max-width: 860px; margin: 0 auto; padding: 0 24px; }

/* ── header ── */
header {
  border-bottom: 1px solid var(--border);
  background: rgba(11, 13, 16, .9);
  backdrop-filter: blur(6px);
  position: sticky; top: 0; z-index: 10;
}
.head-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 14px 0; flex-wrap: wrap;
}
.brand {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--text);
}
.brand:hover { text-decoration: none; color: var(--text); }
.brand .dot { color: var(--accent); }
nav.links { display: flex; gap: 20px; flex-wrap: wrap; }
nav.links a { color: var(--muted); font-size: 14px; }
nav.links a:hover { color: var(--text); text-decoration: none; }
nav.links a[aria-current="page"] { color: var(--text); }

/* ── page structure ── */
main { padding: 56px 0 80px; }

h1 {
  font-size: clamp(30px, 5vw, 42px);
  line-height: 1.15;
  letter-spacing: -.02em;
  margin-bottom: 14px;
}
.lede { font-size: 18px; color: var(--muted); max-width: 62ch; margin-bottom: 40px; }

h2 {
  font-size: 21px;
  letter-spacing: -.01em;
  margin: 40px 0 14px;
  padding-top: 4px;
}
h3 { font-size: 16px; margin: 24px 0 8px; }

p { margin-bottom: 14px; color: #c6cfd9; }
p.small { font-size: 14px; color: var(--muted); }

ul, ol { margin: 0 0 16px 22px; color: #c6cfd9; }
li { margin-bottom: 8px; }

code {
  font-family: var(--mono);
  font-size: .88em;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 22px;
  margin-bottom: 14px;
}
.card h3 { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 620px) { .grid { grid-template-columns: 1fr; } }

.note {
  border-left: 2px solid var(--accent);
  background: var(--surface);
  padding: 16px 20px;
  border-radius: 0 6px 6px 0;
  margin: 20px 0;
}
.note p:last-child { margin-bottom: 0; }

.steps { list-style: none; margin-left: 0; counter-reset: s; }
.steps > li {
  counter-increment: s;
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 20px;
  margin-bottom: 12px;
}
.steps > li::before {
  content: counter(s);
  font-family: var(--mono);
  font-size: 14px;
  color: var(--accent);
  padding-top: 2px;
}
.steps h3 { margin: 0 0 6px; }
.steps p { margin-bottom: 0; font-size: 15px; }

table { width: 100%; border-collapse: collapse; margin-bottom: 20px; font-size: 15px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: .04em; }
td code { white-space: nowrap; }
.table-scroll { overflow-x: auto; }

.badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ok);
  border: 1px solid var(--border);
  background: var(--surface-2);
  border-radius: 999px;
  padding: 3px 10px;
}

footer {
  border-top: 1px solid var(--border);
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 14px;
}
.foot-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer a { color: var(--muted); }
footer a:hover { color: var(--text); }