/* =====================================================================
   zatva.pro — Pricing page + cost-estimator wizard
   Loaded ONLY on /en/pricing/ and /ru/pricing/ (keeps style.css untouched).
   Depends on tokens from style.css (:root). Mono, pure-black, accent-gold.
   No new colors / radii / shadows / fonts beyond the existing system.
   ===================================================================== */

/* ---------------------------------------------------------------------
   Pricing page layout helpers (reuse .node-card / .spec-table / .btn)
   ------------------------------------------------------------------- */
.price-anchor {
  margin: 1.25rem 0 0;
}
.price-anchor .term-line { font-size: 0.8125rem; }

.price-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
  margin-top: 1.5rem;
}
@media (min-width: 640px)  { .price-grid--3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px)  { .price-grid--3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 640px)  { .price-grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .price-grid--4 { grid-template-columns: repeat(4, 1fr); } }

/* Entry card (48h plan) — the page's primary offer, accent-framed */
.price-entry {
  border-color: var(--accent);
  background: var(--bg-elev-1);
}
.price-entry .price-card__amount { color: var(--accent); }

/* A tier card — a .node-card with a price line */
.price-card__amount {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  margin: 0.25rem 0 0.75rem;
}
.price-card__amount .price-card__from {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
}
.price-card__amount .price-card__unit {
  font-size: 0.9rem;
  color: var(--text-faint);
  font-weight: 400;
}
.price-card ul {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
}
.price-card li {
  position: relative;
  padding: 0.25rem 0 0.25rem 1.1rem;
  color: var(--text-muted);
}
.price-card li::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.price-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

/* SCALE / quote-only note block */
.price-note {
  border-left: 2px solid var(--accent);
  background: rgba(255, 255, 255, 0.02);
  padding: 1rem 1.25rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  max-width: 70ch;
}

/* Pricing FAQ reuses the site .faq component (from style.repos.css). */

/* ---------------------------------------------------------------------
   Calculator shell — one framed console for wizard + result
   ------------------------------------------------------------------- */
.calc {
  font-family: var(--font-mono);
  max-width: 760px;
  margin: 1.5rem auto 0;
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}
@media (min-width: 640px) { .calc { padding: 2rem; } }

.calc-fallback { color: var(--text-muted); font-size: 0.9rem; margin: 0; }

/* ---- Step header: '> step 1/4: vertical' + 4-segment progress -------- */
.calc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}
.calc-head__step {
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--text-muted);
}
.calc-dots {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 22px;
  gap: 4px;
}
.calc-dots__d {
  height: 3px;
  background: var(--bg-elev-3);
  border-radius: 2px;
  transition: background var(--dur-base) var(--ease-out);
}
.calc-dots__d.is-on { background: var(--accent); }

.calc-prompt {
  margin: 0 0 1rem;
  color: var(--text-primary);
  font-size: 0.95rem;
}

/* ---- Selectable option cards ---------------------------------------- */
.calc-opts {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
  margin: 0 0 0.5rem;
}
@media (min-width: 560px) { .calc-opts { grid-template-columns: 1fr 1fr; } }

.calc-opt {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  min-height: 44px;
  padding: 0.9rem 1rem;
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  user-select: none;
  transition:
    border-color var(--dur-base) var(--ease-out),
    background   var(--dur-base) var(--ease-out),
    transform    var(--dur-base) var(--ease-out);
}
/* Visually-hidden native radio (keeps keyboard + form semantics) */
.calc-opt__input {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}
.calc-opt__mark {
  flex-shrink: 0;
  width: 1.6em;
  color: var(--text-faint);
  font-weight: 700;
  line-height: 1.4;
  transition: color var(--dur-fast) var(--ease-out);
}
.calc-opt__mark::before { content: '>'; }
.calc-opt__body { min-width: 0; }
.calc-opt__title {
  display: block;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.35;
}
.calc-opt__sub {
  display: block;
  margin-top: 0.2rem;
  color: var(--text-muted);
  font-size: 0.8125rem;
  line-height: 1.45;
}
.calc-opt__extra {
  margin-left: auto;
  padding-left: 0.5rem;
  color: var(--accent);
  font-size: 0.8125rem;
  font-weight: 600;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
@media (hover: hover) {
  .calc-opt:hover { border-color: var(--bg-elev-3); transform: translateY(-1px); }
}
.calc-opt:focus-within { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Selected — native :checked OR JS .is-selected (redundant on purpose) */
.calc-opt:has(.calc-opt__input:checked),
.calc-opt.is-selected {
  border-color: var(--accent);
  background: var(--accent-dim);
}
.calc-opt:has(.calc-opt__input:checked) .calc-opt__mark,
.calc-opt.is-selected .calc-opt__mark { color: var(--accent); }
.calc-opt:has(.calc-opt__input:checked) .calc-opt__mark::before,
.calc-opt.is-selected .calc-opt__mark::before { content: '[x]'; }

/* ---- Scope controls: sliders + number, checkbox --------------------- */
.calc-scope { display: grid; gap: 1.25rem; }
.calc-sublabel { margin: 0.25rem 0 0.5rem; }

.calc-slider__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}
.calc-slider__top .form-label { margin: 0; }
.calc-slider__num {
  width: 6ch;
  flex: 0 0 auto;
  padding: 0.4rem 0.5rem;
  text-align: center;
  -moz-appearance: textfield;
}
.calc-slider__num::-webkit-outer-spin-button,
.calc-slider__num::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.calc-slider__range {
  width: 100%;
  height: 24px;
  margin: 0;
  background: transparent;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}
/* WebKit / Blink */
.calc-slider__range::-webkit-slider-runnable-track {
  height: 4px; border-radius: 2px; background: var(--bg-elev-3);
}
.calc-slider__range::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  margin-top: -7px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-base);
  transition: background var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.calc-slider__range:hover::-webkit-slider-thumb { background: var(--accent-hover); }
.calc-slider__range:active::-webkit-slider-thumb { box-shadow: 0 0 0 4px var(--accent-dim); }
/* Firefox */
.calc-slider__range::-moz-range-track {
  height: 4px; border-radius: 2px; background: var(--bg-elev-3);
}
.calc-slider__range::-moz-range-progress {
  height: 4px; border-radius: 2px; background: var(--accent);
}
.calc-slider__range::-moz-range-thumb {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-base);
  transition: background var(--dur-fast) var(--ease-out);
}
.calc-slider__range:hover::-moz-range-thumb { background: var(--accent-hover); }
.calc-slider__range:focus-visible { outline: none; }
.calc-slider__range:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 3px var(--accent-dim); }
.calc-slider__range:focus-visible::-moz-range-thumb { box-shadow: 0 0 0 3px var(--accent-dim); }

.calc-slider__ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 0.4rem;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--text-faint);
}

/* Checkbox (burst) */
.calc-check {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  min-height: 44px;
  padding: 0.75rem 1rem;
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.875rem;
}
.calc-check input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.calc-check__box {
  flex-shrink: 0;
  width: 18px; height: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elev-2);
  position: relative;
  transition: border-color var(--dur-fast), background var(--dur-fast);
}
.calc-check input:checked + .calc-check__box {
  border-color: var(--accent);
  background: var(--accent);
}
.calc-check input:checked + .calc-check__box::after {
  content: '';
  position: absolute;
  left: 5px; top: 1px;
  width: 5px; height: 10px;
  border: solid #000;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.calc-check:has(input:checked) { border-color: var(--accent); color: var(--text-primary); }
.calc-check input:focus-visible + .calc-check__box { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---- Nav row (back / next) ------------------------------------------ */
.calc-nav {
  display: flex;
  gap: 0.75rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.calc-nav__back { }
.calc-nav__next { margin-left: auto; }
.calc-nav--result { margin-top: 1.5rem; }

/* ---- Result screen -------------------------------------------------- */
.calc-result { margin-top: 1.5rem; }
.calc-result__headline {
  font-family: var(--font-mono);
  margin: 0 0 0.75rem;
  line-height: 1.15;
}
.calc-result__prefix {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  margin-bottom: 0.35rem;
}
.calc-result__amount {
  font-size: clamp(1.6rem, 4vw + 0.5rem, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.calc-result__disclaimer {
  max-width: 62ch;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--text-faint);
  margin: 0 0 1.5rem;
}

/* Terminal breakdown with dotted-leader rows */
.calc-bd { margin-bottom: 1.5rem; }
.calc-bd__rows { margin-top: 0.25rem; }
.calc-bd__row {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.3rem 0;
  font-size: 0.8125rem;
}
.calc-bd__label { color: var(--text-muted); white-space: nowrap; }
.calc-bd__dots {
  flex: 1 1 auto;
  align-self: center;
  height: 0;
  border-bottom: 1px dotted var(--border);
  transform: translateY(-0.15em);
}
.calc-bd__val {
  color: var(--terminal-green);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* Result CTAs + lead form */
.calc-result__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}
.calc-lead {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}
.calc-lead__note {
  font-size: 0.8125rem;
  color: var(--text-faint);
  margin: 0 0 1.25rem;
}
.calc-lead .form-textarea { min-height: 150px; }

/* ---- Mobile (<=480px) ----------------------------------------------- */
@media (max-width: 480px) {
  .calc { padding: 1.25rem; }
  .calc-opts { grid-template-columns: 1fr; }
  .calc-nav { flex-direction: column-reverse; }
  .calc-nav .btn { width: 100%; }
  .calc-nav__next { margin-left: 0; }
  .calc-result__cta .btn { width: 100%; }
}

/* ---- Reduced motion ------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .calc-opt, .calc-dots__d, .calc-slider__range::-webkit-slider-thumb {
    transition: none;
  }
}