/* MoscowStroy — калькулятор сметы */
.kc{--ink:#101110;--paper:#E9E7E1;--card:#F4F2ED;--line:rgba(16,17,16,.14);--muted:rgba(16,17,16,.62);--acc:#FF4D12;padding:clamp(8px,2vw,24px) 0 clamp(56px,7vw,110px)}
.kc__wrap{max-width:1560px;margin:0 auto;padding:0 clamp(14px,3vw,36px);display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,440px);gap:clamp(24px,3.4vw,56px);align-items:start}
@media (max-width:999px){.kc__wrap{grid-template-columns:minmax(0,1fr)}}

/* Шаги */
.kc__steps{display:flex;flex-direction:column;gap:clamp(12px,1.6vw,18px)}
.kc-step{margin:0;border:0;padding:clamp(20px,2.4vw,30px);background:var(--card);border-radius:24px;display:flex;flex-direction:column;gap:16px;min-width:0}
.kc-step__head{padding:0;display:flex;align-items:center;gap:12px;margin-bottom:2px}
.kc-step__n{flex:none;width:32px;height:32px;border-radius:50%;background:var(--ink);color:var(--paper);display:inline-flex;align-items:center;justify-content:center;font-family:'JetBrains Mono',monospace;font-size:13px}
.kc-step__t{font-family:'Geologica',sans-serif;font-weight:500;font-size:clamp(20px,2vw,26px);letter-spacing:-.035em;line-height:1.15}
.kc-step__t em{font-style:normal;font-family:'Golos Text',system-ui,sans-serif;font-size:15px;letter-spacing:0;color:var(--muted);margin-left:6px}
.kc-hint{margin:0;font-size:14.5px;line-height:1.5;color:var(--muted);max-width:68ch}

/* Карточки выбора */
.kc-cards{display:grid;gap:10px}
.kc-cards--4{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (min-width:1440px){.kc-cards--4{grid-template-columns:repeat(4,minmax(0,1fr))}}
.kc-cards--3{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.kc-card{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:6px;text-align:left;padding:18px 18px 16px;min-height:118px;border-radius:18px;border:1.5px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;font:inherit;transition:border-color .15s,background .15s,transform .15s}
.kc-card:hover{border-color:var(--ink)}
.kc-card:focus-visible,.kc-chip:focus-visible,.kc-extra__toggle:focus-visible,.kc-btn:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
.kc-card__title{font-family:'Geologica',sans-serif;font-weight:500;font-size:17px;letter-spacing:-.025em;line-height:1.2;padding-right:26px}
.kc-card__hint{font-size:13.5px;line-height:1.4;color:var(--muted)}
.kc-card__price{margin-top:auto;padding-top:8px;font-family:'JetBrains Mono',monospace;font-size:12.5px;color:var(--ink)}
.kc-card::after{content:'';position:absolute;top:16px;right:16px;width:18px;height:18px;border-radius:50%;border:1.5px solid rgba(16,17,16,.3);box-sizing:border-box}
.kc-card.is-on{border-color:var(--ink);background:var(--ink);color:var(--paper)}
.kc-card.is-on .kc-card__hint{color:rgba(233,231,225,.7)}
.kc-card.is-on .kc-card__price{color:var(--acc)}
.kc-card.is-on::after{border:5px solid var(--acc);background:var(--paper)}

/* Площадь */
.kc-area{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.kc-area__field{display:inline-flex;align-items:baseline;gap:8px;padding:10px 18px;border-radius:16px;border:1.5px solid var(--ink);background:#fff;cursor:text}
.kc-area__field input{width:130px;border:0;outline:0;background:transparent;font-family:'Geologica',sans-serif;font-weight:500;font-size:30px;letter-spacing:-.03em;color:var(--ink);padding:0}
.kc-area__field span{font-size:16px;color:var(--muted)}
.kc-range{width:100%;height:32px;accent-color:var(--acc);cursor:pointer;margin:0}
.kc-chips{display:flex;flex-wrap:wrap;gap:8px}
.kc-chip{font:inherit;font-size:14px;min-height:40px;padding:8px 14px;border-radius:999px;border:1.5px solid var(--line);background:#fff;color:var(--ink);cursor:pointer}
.kc-chip:hover{border-color:var(--ink)}
.kc-chip.is-on{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.kc-chip--dark{background:transparent;border-color:rgba(233,231,225,.28);color:var(--paper)}
.kc-chip--dark:hover{border-color:var(--paper)}
.kc-chip--dark.is-on{background:var(--acc);border-color:var(--acc);color:#fff}
.kc-chip--ghost{background:transparent;border-color:rgba(233,231,225,.35);color:var(--paper)}

/* Доп. опции */
.kc-extras{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:10px}
.kc-extra{border-radius:18px;border:1.5px solid var(--line);background:#fff;transition:border-color .15s}
.kc-extra.is-on{border-color:var(--ink)}
.kc-extra[hidden]{display:none}
.kc-extra__toggle{width:100%;display:grid;grid-template-columns:auto minmax(0,1fr);grid-template-areas:"sw text" ". price";gap:4px 14px;align-items:start;text-align:left;padding:16px 18px;background:none;border:0;font:inherit;color:var(--ink);cursor:pointer;border-radius:18px}
.kc-switch{grid-area:sw;position:relative;width:40px;height:24px;border-radius:999px;background:rgba(16,17,16,.18);transition:background .15s;margin-top:1px}
.kc-switch::after{content:'';position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.2);transition:transform .15s}
.kc-extra.is-on .kc-switch{background:var(--acc)}
.kc-extra.is-on .kc-switch::after{transform:translateX(16px)}
.kc-extra__text{grid-area:text;display:flex;flex-direction:column;gap:3px}
.kc-extra__title{font-weight:500;font-size:15.5px}
.kc-extra__hint{font-size:13.5px;line-height:1.4;color:var(--muted)}
.kc-extra__price{grid-area:price;font-family:'JetBrains Mono',monospace;font-size:12.5px;color:var(--muted)}
.kc-extra.is-on .kc-extra__price{color:#C73A0A}
.kc-extra__field{display:flex;align-items:center;gap:10px;margin:0 18px 16px 72px;font-size:14px;color:var(--muted)}
.kc-extra__field[hidden]{display:none}
.kc-extra__field input{width:96px;padding:8px 12px;border-radius:10px;border:1.5px solid var(--line);font:inherit;font-size:15px;color:var(--ink);background:var(--card)}
.kc-sub{display:flex;flex-direction:column;gap:10px;margin-top:4px}
.kc-sub__label{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}

/* Итог */
.kc-result{position:sticky;top:clamp(76px,7vw,92px);background:var(--ink);color:var(--paper);border-radius:28px;padding:clamp(22px,2.6vw,34px);display:flex;flex-direction:column;gap:18px}
@media (max-width:999px){.kc-result{position:static;scroll-margin-top:80px}.kc{padding-bottom:170px}}
.kc-eyebrow{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--acc)}
.kc-eyebrow--muted{color:rgba(233,231,225,.7)}
.kc-total{margin-top:10px;font-family:'Geologica',sans-serif;font-weight:500;font-size:clamp(38px,4vw,56px);line-height:1;letter-spacing:-.045em;font-variant-numeric:tabular-nums}
.kc-meta{margin-top:10px;display:flex;flex-wrap:wrap;gap:4px 16px;font-family:'JetBrains Mono',monospace;font-size:12.5px;color:rgba(233,231,225,.72)}
.kc-lines{list-style:none;margin:0;padding:0;border-top:1px solid rgba(233,231,225,.16)}
.kc-line{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid rgba(233,231,225,.1);font-size:14.5px;line-height:1.35}
.kc-line__name small{display:block;margin-top:3px;font-family:'JetBrains Mono',monospace;font-size:11.5px;color:rgba(233,231,225,.55)}
.kc-line__sum{flex:none;font-variant-numeric:tabular-nums;white-space:nowrap}
.kc-note{margin:0;font-size:13px;line-height:1.5;color:rgba(233,231,225,.66)}
.kc-note:empty{display:none}
.kc-note--warn{color:#FFB08F}
.kc-form{display:flex;flex-direction:column;gap:10px;padding-top:18px;border-top:1px solid rgba(233,231,225,.16)}
.kc-field{width:100%;box-sizing:border-box;padding:15px 16px;border-radius:14px;border:1.5px solid rgba(233,231,225,.2);background:rgba(233,231,225,.06);color:var(--paper);font:inherit;font-size:16px}
.kc-field::placeholder{color:rgba(233,231,225,.5)}
.kc-field:focus{outline:0;border-color:var(--acc)}
.kc-channels{display:flex;flex-direction:column;gap:8px;margin-top:2px}
.kc-channels__label{font-size:13px;color:rgba(233,231,225,.66)}
.kc-consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;line-height:1.45;color:rgba(233,231,225,.75);cursor:pointer}
.kc-consent input{flex:none;width:18px;height:18px;margin:1px 0 0;accent-color:var(--acc)}
.kc-consent a{color:inherit;text-decoration:underline}
.kc-err{font-size:13.5px;color:#FFB08F}
.kc-err[hidden]{display:none}
.kc-btn{margin-top:4px;min-height:56px;border:0;border-radius:999px;background:var(--acc);color:#fff;font-family:'Geologica',sans-serif;font-weight:500;font-size:16px;cursor:pointer;transition:filter .15s}
.kc-btn:hover{filter:brightness(1.08)}
.kc-fine{font-size:12.5px;line-height:1.5;color:rgba(233,231,225,.55);text-align:center}
.kc-done{display:flex;flex-direction:column;gap:12px;padding-top:18px;border-top:1px solid rgba(233,231,225,.16)}
.kc-done__title{font-family:'Geologica',sans-serif;font-weight:500;font-size:28px;letter-spacing:-.04em}
.kc-done p{margin:0;font-size:15px;line-height:1.5}
.kc-done a{color:var(--acc)}
.kc-done .kc-chip{align-self:flex-start}

/* Мобильная плашка итога */
.kc-bar{position:fixed;left:12px;right:12px;bottom:84px;z-index:55;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 10px 10px 18px;border-radius:18px;background:var(--ink);color:var(--paper);box-shadow:0 10px 30px rgba(0,0,0,.25)}
.kc-bar[hidden]{display:none}
.kc-bar__label{display:block;font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:rgba(233,231,225,.6)}
.kc-bar__total{display:block;font-family:'Geologica',sans-serif;font-weight:500;font-size:22px;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.kc-bar__btn{flex:none;padding:12px 16px;border-radius:12px;background:var(--acc);color:#fff;font-weight:500;font-size:14.5px}
@media (min-width:1000px){.kc-bar{display:none!important}}
@media (prefers-reduced-motion:reduce){.kc-card,.kc-switch,.kc-switch::after{transition:none}}