/* Калькулятор /kalkulyator. Токены, шапка, hero и подвал – из contacts.css. */
.calc-hero { padding-bottom: 36px; }
.calc-hero h1 { max-width: 860px; }

.calc { padding: 0 0 80px; }
.calc-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: start; }
.calc-form, .invoice-form, .invoice-done { padding: 34px; border: 1px solid var(--line); border-radius: 24px; background: var(--white); }
.calc-heading { margin: 0 0 26px; font-size: 25px; line-height: 1.15; letter-spacing: -.025em; }

.calc-field { display: grid; gap: 7px; min-width: 0; margin: 0 0 22px; padding: 0; border: 0; }
.calc-field:last-child { margin-bottom: 0; }
.calc-field > label, .calc-field > legend { padding: 0; color: var(--ink); font-size: 14px; font-weight: 800; }
.calc-field > legend { margin-bottom: 7px; }
.calc-field input, .calc-field select { width: 100%; min-height: 52px; padding: 0 16px; border: 1px solid #c9d3ce; border-radius: 12px; background: var(--white); color: var(--ink); font-size: 16px; }
.calc-field select { appearance: none; padding-right: 44px; background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%); background-position: calc(100% - 22px) 23px, calc(100% - 16px) 23px; background-size: 6px 6px; background-repeat: no-repeat; cursor: pointer; }
.calc-field input:hover, .calc-field select:hover { border-color: #9fb0aa; }
.calc-field input:focus-visible, .calc-field select:focus-visible { border-color: var(--violet); outline-offset: 1px; }
.calc-field input.is-invalid { border-color: var(--red); }
.calc-field .field-error { color: #c8322a; font-size: 13px; font-weight: 700; }
.calc-field .field-error:empty { display: none; }
.calc-hint { color: var(--muted); font-size: 13px; }
.calc-optional { color: var(--muted); font-weight: 600; }

.calc-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.calc-chip { position: relative; cursor: pointer; }
.calc-chip input { position: absolute; opacity: 0; pointer-events: none; }
.calc-chip span { min-height: 44px; display: inline-flex; align-items: center; padding: 0 16px; border: 1px solid #c9d3ce; border-radius: 11px; font-size: 14px; font-weight: 700; transition: border-color .15s ease-out, background-color .15s ease-out; }
.calc-chip:hover span { border-color: #9fb0aa; }
.calc-chip input:checked + span { border-color: var(--ink); background: var(--green-soft); box-shadow: inset 0 0 0 1px var(--ink); }
.calc-chip input:focus-visible + span { outline: 3px solid rgba(113, 103, 217, .48); outline-offset: 3px; }

.calc-result { position: sticky; top: 104px; overflow: hidden; padding: 34px; border-radius: 24px; background: var(--graphite); color: #fff; box-shadow: var(--shadow); }
.calc-result::after { content: ""; position: absolute; width: 230px; height: 230px; right: -105px; top: -105px; border-radius: 50%; background: var(--violet); opacity: .46; pointer-events: none; }
.calc-result > * { position: relative; z-index: 1; }
.calc-lines { display: grid; margin: 22px 0 0; }
.calc-lines div { display: flex; justify-content: space-between; gap: 18px; padding: 12px 0; border-top: 1px solid #455357; }
.calc-lines dt { color: #c5d0cd; }
.calc-lines dd { margin: 0; font-weight: 800; text-align: right; overflow-wrap: anywhere; }
.calc-total { display: flex; justify-content: space-between; align-items: baseline; gap: 18px; padding: 18px 0 4px; border-top: 1px solid #455357; }
.calc-total span { color: #c5d0cd; font-weight: 800; }
.calc-total strong { color: var(--green); font-size: clamp(32px, 4vw, 44px); line-height: 1; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.calc-note { margin: 14px 0 24px; color: #c5d0cd; font-size: 14px; }
.calc-agree { width: 100%; border: 0; cursor: pointer; }
.calc-agree:disabled { background: #455357; color: #aebbb8; cursor: not-allowed; }
.calc-product-link { display: inline-flex; min-height: 44px; align-items: center; margin-top: 10px; color: var(--green); font-weight: 800; }
.calc-noscript { margin-bottom: 40px; padding: 18px 22px; border-radius: 14px; background: var(--green-soft); font-weight: 700; }

.invoice { padding: 80px 0; background: var(--white); border-top: 1px solid var(--line); }
.invoice-form, .invoice-done { background: var(--paper); }
.invoice-summary { margin: 0 0 26px; padding: 16px 20px; border-left: 4px solid var(--green); border-radius: 0 12px 12px 0; background: var(--white); font-weight: 700; }
.invoice-group { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 18px; margin: 0 0 26px; padding: 0 0 8px; border: 0; border-bottom: 1px solid var(--line); }
.invoice-group legend { margin-bottom: 16px; padding: 0; font-size: 20px; font-weight: 800; letter-spacing: -.02em; }
.invoice-group .calc-field, .invoice-group .calc-field:last-child { margin-bottom: 18px; }
.invoice-wide { grid-column: span 2; }
.invoice-actions { display: flex; align-items: center; gap: 22px; }
.invoice-actions .button { flex: 0 0 auto; border: 0; cursor: pointer; }
.invoice-actions .button:disabled { opacity: .7; cursor: progress; }
.invoice-legal { margin: 0; color: var(--muted); font-size: 13px; }
.invoice-form .form-status { margin: 16px 0 0; font-weight: 700; }
.invoice-form .form-status:empty { display: none; }
.invoice-form .form-status.is-error { color: #c8322a; }
.invoice-done h3 { margin: 0 0 10px; font-size: 28px; letter-spacing: -.025em; }
.invoice-done p { max-width: 640px; margin: 0 0 22px; color: var(--muted); }
.invoice-done-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.invoice-done-actions .button-secondary { cursor: pointer; }

@media (max-width: 980px) {
  .calc-grid { grid-template-columns: 1fr; }
  /* relative, а не static: иначе декоративный круг ::after вылезает за экран. */
  .calc-result { position: relative; top: auto; }
  .invoice-group { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
  .calc-hero { padding-bottom: 28px; }
  .calc { padding-bottom: 62px; }
  .calc-form, .calc-result, .invoice-form, .invoice-done { padding: 24px; border-radius: 18px; }
  .invoice { padding: 62px 0; }
  .invoice-group { grid-template-columns: 1fr; }
  .invoice-wide { grid-column: auto; }
  .invoice-actions { align-items: stretch; flex-direction: column; }
  .invoice-done-actions { display: grid; }
}
@media (prefers-reduced-motion: reduce) {
  .calc-chip span { transition: none; }
}