.calc{display:grid;gap:32px}.calc__params{display:grid;gap:28px}.step{display:grid;gap:10px}.step__head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.step__label{font-size:18px;font-weight:600;color:var(--c-text)}.step__value{font-size:18px;font-weight:700;color:var(--c-accent-ink);white-space:nowrap}.step__hint{max-width:54ch}.range{-webkit-appearance:none;appearance:none;width:100%;height:28px;background:transparent;cursor:pointer}.range::-webkit-slider-runnable-track{height:6px;border-radius:var(--r-pill);background:linear-gradient(to right,var(--c-accent) 0 var(--fill, 0%),var(--c-border) var(--fill, 0%) 100%)}.range::-moz-range-track{height:6px;border-radius:var(--r-pill);background:var(--c-border)}.range::-moz-range-progress{height:6px;border-radius:var(--r-pill);background:var(--c-accent)}.range::-webkit-slider-thumb{-webkit-appearance:none;width:28px;height:28px;margin-top:-11px;border-radius:50%;background:var(--c-card);border:2px solid var(--c-accent);box-shadow:var(--sh-1);transition:transform .15s var(--ease)}.range::-moz-range-thumb{width:24px;height:24px;border-radius:50%;background:var(--c-card);border:2px solid var(--c-accent);box-shadow:var(--sh-1)}.range:active::-webkit-slider-thumb{transform:scale(1.12)}.steppers{display:grid;gap:20px}.qty{display:grid;gap:10px}.qty__ctl{display:inline-flex;align-items:center;gap:4px;padding:4px;border:1px solid var(--c-border);border-radius:var(--r-pill);background:var(--c-card);width:fit-content}.qty__btn{display:grid;place-items:center;width:44px;height:44px;border:0;border-radius:50%;background:transparent;color:var(--c-text);cursor:pointer;transition:background-color .15s var(--ease),color .15s var(--ease);-webkit-tap-highlight-color:transparent}.qty__btn:hover{background:var(--c-accent-wash);color:var(--c-accent)}.qty__num{width:56px;height:44px;text-align:center;font-size:18px;font-weight:700;color:var(--c-text);background:transparent;border:0}.qty__num:focus-visible{outline:2px solid var(--c-accent);outline-offset:-2px;border-radius:var(--r-sm)}.opts{border:0;padding:0;margin:0;display:grid;gap:12px}.opts__legend{padding:0;margin-bottom:2px}.opt{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:start;gap:4px 12px;padding:14px 16px;border:1px solid var(--c-border);border-radius:var(--r-md);background:var(--c-card);cursor:pointer;transition:border-color .2s var(--ease),background-color .2s var(--ease)}.opt:hover{border-color:var(--c-accent)}.opt input{position:absolute;opacity:0;width:0;height:0}.opt__box{display:grid;place-items:center;width:24px;height:24px;border:1px solid var(--c-border);border-radius:var(--r-sm);background:var(--c-bg);color:transparent;transition:background-color .15s var(--ease),border-color .15s var(--ease),color .15s var(--ease)}.opt input:checked~.opt__box{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-text-on-accent)}.opt input:focus-visible~.opt__box{outline:2px solid var(--c-accent);outline-offset:2px}.opt input:checked~.opt__text b{color:var(--c-accent-ink)}.opt__text{display:grid;gap:3px}.opt__text b{font-size:15px;font-weight:600;color:var(--c-text)}.opt__text small{font-size:13px;line-height:1.45;color:var(--c-text-muted)}.opt__price{grid-column:2;font-size:14px;font-weight:700;color:var(--c-accent-ink);white-space:nowrap}@media(min-width:480px){.opt{grid-template-columns:auto minmax(0,1fr) auto;align-items:center}.opt__price{grid-column:auto}}.calc__result{position:sticky;bottom:0;z-index:2}.res{padding:20px;border:1px solid var(--c-border);border-radius:var(--r-lg);background:color-mix(in srgb,var(--c-card) 94%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:var(--sh-2)}.res__rows{margin:0;display:grid;gap:8px}.res__row{display:flex;align-items:baseline;justify-content:space-between;gap:16px}.res__row dt{font-size:14px;color:var(--c-text-muted)}.res__row dd{margin:0;font-size:15px;font-weight:500;color:var(--c-text);white-space:nowrap}.res__total{display:grid;gap:2px;margin-top:14px;padding-top:14px;border-top:1px solid var(--c-border-soft)}.res__total-label{font-size:13px;font-weight:600;color:var(--c-text-muted)}.res__sum{font-size:clamp(1.75rem,1.3rem + 1.6vw,2.25rem);font-weight:800;line-height:1.1;letter-spacing:-.03em;color:var(--c-accent-ink);white-space:nowrap}.res__cta{margin-top:18px}.res__disclaimer{margin-top:12px}@media(min-width:960px){.calc{grid-template-columns:minmax(0,1fr) 380px;gap:48px;align-items:start}.calc__params{gap:36px}.steppers{grid-template-columns:repeat(2,1fr)}.calc__result{position:sticky;top:100px;bottom:auto}.res{padding:28px}}.seg{display:grid;grid-template-columns:1fr;gap:8px}.seg__item{position:relative;display:block;min-width:0}.seg__face{min-width:0}@media(min-width:480px){.seg{grid-template-columns:1fr 1fr}.seg--3{grid-template-columns:repeat(3,1fr)}}.seg__item input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}.seg__face{display:grid;place-items:center;min-height:48px;padding:8px 12px;text-align:center;border:1px solid var(--c-border);border-radius:var(--r-pill);background:var(--c-card);color:var(--c-text-muted);font-size:14px;font-weight:600;transition:border-color .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease)}.seg__face small{display:block;font-size:12px;font-weight:500;opacity:.8}.seg__item input:checked~.seg__face{border-color:var(--c-accent);background:var(--c-accent-wash);color:var(--c-accent)}.seg__item input:focus-visible~.seg__face{outline:2px solid var(--c-accent);outline-offset:2px}.opts--sub{margin-top:14px;gap:8px}