/* Калькулятор стоимости: /kalkulyator/. Палитра и кнопки — из site.css. */
.kalk {
  background: var(--surface); border: 1px solid var(--line); border-radius: 6px;
  padding: 24px; box-shadow: var(--shadow); max-width: 760px;
}
.kalk__shag {
  margin: 0 0 8px; font-family: var(--font-mono); font-size: .72rem;
  text-transform: uppercase; letter-spacing: .12em; color: var(--muted);
}
.kalk__vopros { margin: 0 0 18px; }
.kalk__vopros:focus, .kalk__itog:focus { outline: none; }
.kalk__vopros:focus-visible, .kalk__itog:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.kalk__varianty { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 10px; }
.kalk__var {
  appearance: none; font: inherit; text-align: left; cursor: pointer;
  display: flex; flex-direction: column; gap: 3px;
  padding: 13px 15px; border: 1px solid var(--line); border-radius: 5px;
  background: var(--paper); color: var(--ink);
  transition: border-color .15s ease, background .15s ease;
}
.kalk__var:hover { border-color: var(--accent); background: var(--accent-soft); }
.kalk__var:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-color: var(--accent); }
.kalk__var-t { font-weight: 620; font-size: .98rem; line-height: 1.35; }
.kalk__var-p { font-size: .85rem; color: var(--muted); line-height: 1.4; }

.kalk__nav { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 20px; }
.kalk__melko {
  appearance: none; font: inherit; font-size: .9rem; cursor: pointer;
  background: none; border: 0; padding: 4px 0; color: var(--muted);
  border-bottom: 1px dashed var(--line);
}
.kalk__melko:hover { color: var(--accent); border-bottom-color: var(--accent); }
.kalk__melko:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.kalk__itog { margin: 0 0 10px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 16px; }
.kalk__cena { font-size: clamp(1.6rem, 4vw, 2.1rem); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.kalk__srok { font-family: var(--font-mono); font-size: 1rem; font-weight: 500; color: var(--muted); }
.kalk__otvety { margin: 0 0 16px; font-size: .92rem; color: var(--muted); }

.kalk__rasklad { list-style: none; margin: 0 0 12px; padding: 0; border-top: 1px solid var(--line); }
.kalk__rasklad li {
  display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 4px 16px;
  padding: 10px 0; border-bottom: 1px solid var(--line); font-size: .95rem; align-items: baseline;
}
.kalk__r-c, .kalk__r-s { font-family: var(--font-mono); font-size: .86rem; white-space: nowrap; font-variant-numeric: tabular-nums; }
.kalk__r-c { font-weight: 600; }
.kalk__r-s { color: var(--muted); min-width: 7.5em; text-align: right; }
.kalk__r-neizv .kalk__r-c { font-weight: 400; color: var(--muted); }
@media (max-width: 560px) {
  .kalk { padding: 18px 16px; }
  .kalk__rasklad li { grid-template-columns: minmax(0, 1fr) auto; }
  .kalk__r-t { grid-column: 1 / -1; }
  .kalk__r-s { min-width: 0; }
}

.kalk__pomet { margin: 0 0 6px; font-size: .88rem; color: var(--muted); }
.kalk__zametki { margin: 12px 0 0; padding-left: 20px; font-size: .92rem; color: var(--muted); }
.kalk__zametki li { margin-bottom: 6px; }
.kalk__zametki li::marker { color: var(--accent); }
.kalk__tochno { margin: 16px 0 14px; font-weight: 600; }