:root {
  --bg: #f4f6fb;
  --card: #ffffff;
  --ink: #171a3a;
  --muted: #565c78;
  --rule: #dfe3ef;
  --accent: #0b7f66;
  --tint: #dcf7ee;
  --band: #171a3a;
  --band-ink: #ffffff;
  --band-muted: #b6bbd8;
  --mint: #3fe0b0;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1026;
    --card: #181b3a;
    --ink: #e9ebf7;
    --muted: #a3a9c6;
    --rule: #2c3058;
    --accent: #3fe0b0;
    --tint: #143a3a;
    --band: #0a0c1e;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 var(--sans);
}
a { color: var(--accent); text-underline-offset: 3px; }
.wrap { max-width: 60rem; margin: 0 auto; padding: 0 16px; }

.band { background: var(--band); color: var(--band-ink); padding-bottom: 64px; }
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 0;
  font-size: 15px;
}
.brand {
  color: var(--mint);
  font: 700 22px/1 var(--mono);
  text-decoration: none;
}
.top nav a { color: var(--band-muted); margin-left: 20px; text-decoration: none; }
.top nav a:hover, .top nav a[aria-current] { color: var(--mint); }

h1, h2 { line-height: 1.15; letter-spacing: -.02em; font-weight: 750; }
h1 { font-size: clamp(2rem, 6vw, 3.4rem); max-width: 16em; margin: 56px 0 18px; }
h2 { font-size: 1.6rem; margin: 56px 0 12px; }
.lead { font-size: 1.2rem; color: var(--band-muted); max-width: 36em; margin: 0; }
.lead a { color: var(--mint); }

main.wrap > p { max-width: 42em; }

.qs {
  list-style: none;
  counter-reset: q;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.qs li {
  counter-increment: q;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 16px 18px;
}
.qs li::before {
  content: "0" counter(q);
  display: block;
  color: var(--accent);
  font: 700 13px/1 var(--mono);
  margin-bottom: 8px;
}

.stages {
  list-style: none;
  counter-reset: stage;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.stages li {
  counter-increment: stage;
  background: var(--card);
  border: 1px solid var(--rule);
  border-top: 4px solid var(--accent);
  border-radius: 10px;
  padding: 16px;
}
.stages li::before {
  content: "этап " counter(stage);
  display: block;
  color: var(--muted);
  font: 500 12px/1 var(--mono);
  margin-bottom: 10px;
}
.stages strong { display: block; margin-bottom: 6px; }
.stages span { color: var(--muted); font-size: .94rem; line-height: 1.5; display: block; }

.fields {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin-top: 16px;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 10px;
  overflow: hidden;
}
.fields th, .fields td { text-align: left; vertical-align: top; padding: 13px 16px; border-bottom: 1px solid var(--rule); }
.fields tbody tr:last-child td { border-bottom: 0; }
.fields th { color: var(--muted); font: 500 12px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.fields td:first-child { font-weight: 650; white-space: nowrap; }

.note { margin-top: 20px; padding: 16px 18px; background: var(--tint); border-radius: 10px; }
.note p { margin: 0; }

.foot { margin-top: 72px; padding: 24px 0 36px; border-top: 1px solid var(--rule); color: var(--muted); font-size: 14px; }
.foot a { color: inherit; }

@media (max-width: 760px) {
  .qs, .stages { grid-template-columns: 1fr; }
  .band { padding-bottom: 44px; }
  h1 { margin-top: 36px; }
  .fields td:first-child { white-space: normal; }
  .fields th, .fields td { padding: 11px 12px; }
}