/* «О площадке» (/o-ploshchadke), дизайн v3: плитки .tile на тумане, разделы .sec/.sec-h, FAQ .faq из public.css.
   Только токены base.css. */

.ab-facts { margin-bottom: 8px; }
.ab-facts dd { font-size: 16px; }

.ab-two { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.ab-flow { display: flex; flex-direction: column; gap: 16px; padding: 32px; }
.ab-flow h3 { font: 700 24px/1.14 var(--display); letter-spacing: -0.02em; max-width: 20ch; margin: 0; }
.ab-flow .btn { margin-top: auto; align-self: flex-start; }
.ab-steps { list-style: none; counter-reset: ab; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.ab-steps li { counter-increment: ab; display: grid; grid-template-columns: 30px minmax(0, 1fr); column-gap: 12px; row-gap: 2px; }
.ab-steps li::before { content: counter(ab); grid-row: 1 / span 2; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  font: 600 14px/1 var(--display); background: var(--surface); color: var(--ink); }
.tile-wood .ab-steps li::before { background: oklch(0.32 0.04 40); color: var(--signal); }
.ab-steps b { font-size: 16px; line-height: 1.3; }
.ab-steps span { font-size: 14.5px; line-height: 1.45; opacity: .86; }

.ab-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.ab-cell { display: flex; flex-direction: column; gap: 8px; padding: 24px; }
.ab-cell b { font-size: 17px; line-height: 1.3; }
.ab-cell span { font-size: 14.5px; color: var(--muted); line-height: 1.45; }

.ab-price dd.ab-note { font: 500 13.5px/1.35 var(--font); color: var(--muted); margin-top: 6px; }

.ab-map { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px 24px; padding: 12px 28px; }
.ab-map a { display: flex; flex-direction: column; gap: 3px; padding: 14px 0; border-top: 1px solid var(--line); color: var(--ink); min-width: 0; }
.ab-map a:nth-child(-n+3) { border-top: 0; }
.ab-map a b { font-weight: 650; font-size: 15.5px; }
.ab-map a span { font-size: 13.5px; color: var(--muted); line-height: 1.4; }
.ab-map a:hover b { color: var(--brand-ink); }
.ab-map a:focus-visible { outline: none; box-shadow: var(--ring); border-radius: var(--r-xs); }

.ab-op h2 { font: 600 19px/1.2 var(--display); letter-spacing: -0.015em; margin: 0 0 8px; }
.ab-op p { margin: 0; color: var(--ink-2); font-size: 14.5px; line-height: 1.5; }
.ab-op p + p { margin-top: 8px; }

@media (max-width: 1180px) {
  .ab-grid, .ab-map { grid-template-columns: 1fr 1fr; }
  .ab-map a:nth-child(3) { border-top: 1px solid var(--line); }
  .ab-facts, .ab-price { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .ab-two, .ab-grid { grid-template-columns: 1fr; }
  .ab-flow { padding: 22px 20px; }
  .ab-flow h3 { font-size: 21px; }
  .ab-flow .btn { width: 100%; align-self: stretch; }
  .ab-cell { padding: 20px; }
  .ab-map { grid-template-columns: 1fr; padding: 6px 20px; }
  .ab-map a:nth-child(2) { border-top: 1px solid var(--line); }
}

/* ---------- Страницы ошибок 404/403/500 (public/error.html) ---------- */
.er { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; padding: 48px; max-width: 820px; }
.er h1 { font-size: clamp(30px, 3.1vw, 44px); line-height: 1.06; letter-spacing: -0.035em; margin: 0; }
.er-p { margin: 0; color: var(--ink-2); font-size: 17px; line-height: 1.45; max-width: 56ch; }
.er-search { display: flex; gap: 10px; width: 100%; max-width: 560px; margin-top: 6px; }
.er-search input { flex: 1 1 auto; min-width: 0; }
.er-acts { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 22px; margin-top: 8px; }
@media (max-width: 720px) {
  .er { padding: 24px 20px; }
  .er-search { flex-direction: column; }
  .er-search .btn, .er-acts .btn { width: 100%; }
}