.calculator{--primary-soft:rgba(200,29,37,.12);--primary-soft-border:rgba(200,29,37,.35);--radius-sm:8px;--radius-md:12px;--radius-lg:18px;--shadow-sm:0 10px 30px rgba(0,0,0,.35);--ink-soft:#D9D9D9;padding:72px 0 80px;background:var(--bg-primary);border-top:1px solid var(--line)}.calculator__badge-wrap{display:flex;justify-content:center}.calculator__badge{display:inline-flex;align-items:center;gap:8px;background:var(--primary-soft);border:1px solid var(--primary-soft-border);border-radius:999px;padding:7px 16px;font-family:var(--font-display);font-size:12.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--primary-hover);margin-bottom:12px}.calculator__badge i{font-size:11px}.calculator__header{text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px;margin-bottom:40px}.calculator__title{font-size:clamp(24px, 3vw, 38px);color:var(--ink);margin:0}.calculator__sub{font-size:15px;color:var(--steel);max-width:580px;line-height:1.65}.calculator__box{background:var(--bg-surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:40px 44px}.calculator__col-left{width:100%}.calculator__col-right{display:none}.calculator__box.has-selection{display:flex;align-items:flex-start;flex-wrap:wrap}.calculator__box.has-selection .calculator__col-left{width:360px;flex-shrink:0;padding-right:32px;border-right:1px solid var(--line)}.calculator__box.has-selection .calculator__col-right{display:flex;flex:1;flex-direction:column;gap:20px;padding-left:32px}.calculator__box-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}.calculator__box-title span{font-family:var(--font-display);font-size:20px;font-weight:700;text-transform:uppercase;letter-spacing:.02em;color:var(--ink)}.calculator__box-desc{font-size:13.5px;color:var(--steel);margin-bottom:26px}.calculator__reset{display:none;align-items:center;gap:6px;background:var(--bg-primary);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--steel);font-size:12px;font-weight:600;padding:7px 14px;transition:border-color .15s,color .15s;white-space:nowrap}.calculator__reset:hover{border-color:var(--primary);color:var(--primary-hover)}.calculator__reset.is-visible{display:inline-flex}.calculator__step-label{font-family:var(--font-display);font-size:11.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--steel);margin-bottom:12px;display:flex;align-items:center;gap:6px}.calculator__step-num{color:var(--primary);font-weight:800}.calculator__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.calculator__box.has-selection .calculator__grid{grid-template-columns:repeat(2,1fr)}.calculator__item{background:var(--bg-primary);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 6px 12px;text-align:center;transition:border-color .15s,background-color .15s,box-shadow .25s ease}.calculator__item:hover{border-color:var(--primary);box-shadow:0 14px 30px rgba(0,0,0,.4),0 0 22px rgba(200,29,37,.35)}.calculator__item.is-active{background:var(--primary-soft);border:1.5px solid var(--primary);box-shadow:0 0 22px rgba(200,29,37,.35)}.calculator__item-icon{font-size:20px;color:var(--primary);margin-bottom:12px;transition:.25s ease}.calculator__item:hover .calculator__item-icon{transform:scale(1.12);color:var(--primary-hover);filter:drop-shadow(0 0 8px rgba(225,38,47,.7))}.calculator__item-name{font-size:12px;font-weight:700;color:var(--ink);line-height:1.3}.calculator__sub-panel{background:var(--bg-primary);border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;display:none}.calculator__sub-panel.is-open{display:block}.calculator__sub-panel-title{padding:10px 16px;border-bottom:1px solid var(--line);font-family:var(--font-display);font-size:11px;font-weight:700;color:var(--primary-hover);text-transform:uppercase;letter-spacing:.08em;display:flex;align-items:center;gap:8px}.calculator__sub-item{display:flex;align-items:center;gap:10px;padding:13px 16px;border-bottom:1px solid var(--line);background:var(--bg-surface);cursor:pointer;transition:background-color .12s}.calculator__sub-item:last-child{border-bottom:none}.calculator__sub-item:hover{background:var(--primary-soft)}.calculator__sub-item.is-selected{background:var(--primary-soft)}.calculator__sub-item-name{font-size:13px;font-weight:600;color:var(--ink);flex:1}.calculator__sub-badge{font-size:11px;padding:3px 8px;border-radius:6px;background:var(--line);color:var(--steel);white-space:nowrap}.calculator__sub-badge.has-price{color:var(--primary-hover);background:var(--primary-soft)}.calculator__check{width:20px;height:20px;border-radius:50%;border:1.5px solid var(--line);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .15s}.calculator__sub-item.is-selected .calculator__check{background:var(--primary);border-color:var(--primary)}.calculator__check-dot{width:8px;height:8px;border-radius:50%;background:var(--white);display:none}.calculator__sub-item.is-selected .calculator__check-dot{display:block}.calculator__cable{display:none;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden}.calculator__cable.is-visible{display:block}.calculator__cable-title{padding:12px 16px;background:var(--bg-primary);border-bottom:1px solid var(--line);font-family:var(--font-display);font-size:11px;font-weight:700;color:var(--primary-hover);text-transform:uppercase;letter-spacing:.08em;display:flex;align-items:center;gap:8px}.calculator__cable-body{padding:20px;background:var(--bg-surface)}.calculator__cable-body p{color:var(--steel);font-size:13px;line-height:1.6;margin-bottom:14px}.calculator__cable-textarea{width:100%;background:var(--bg-primary);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);font-size:14px;padding:12px 14px;outline:0;resize:vertical;font-family:inherit;transition:border-color .15s,box-shadow .15s}.calculator__cable-textarea::placeholder{color:var(--steel);opacity:.8}.calculator__cable-textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(200,29,37,.25)}.calculator__no-price{display:none}.calculator__no-price.is-visible{display:block}.calculator__no-price-inner{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--bg-primary);padding:20px}.calculator__no-price-inner p{color:var(--steel);font-size:13px;line-height:1.6;margin-bottom:14px}.calculator__weight-block{display:none;border-top:1px solid var(--line);padding-top:20px}.calculator__weight-block.is-open{display:block}.calculator__selected-badge{display:inline-flex;align-items:center;gap:6px;background:var(--primary-soft);border:1px solid var(--primary-soft-border);border-radius:999px;padding:4px 12px;font-size:12px;font-weight:600;color:var(--primary-hover);margin-bottom:16px}.calculator__weight-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px}.calculator__weight-row input[type=range]{flex:1;min-width:150px;accent-color:var(--primary);cursor:pointer}.calculator__weight-row input[type=number]{width:90px;background:var(--bg-primary);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--primary-hover);font-size:18px;font-weight:800;text-align:center;padding:8px 10px;outline:0;font-family:var(--font-body)}.calculator__weight-row input[type=number]:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(200,29,37,.25)}.calculator__unit{font-size:14px;color:var(--steel)}.calculator__earnings{border-top:1px solid var(--line);margin-top:24px;padding-top:24px}.calculator__earnings-value{font-family:var(--font-display);font-size:38px;font-weight:800;color:var(--primary);line-height:1}.calculator__earnings-label{font-size:13px;color:var(--ink-soft);margin-top:6px}.calculator__earnings .btn{margin-top:22px}.calculator__price-warning{display:flex;align-items:flex-start;gap:10px;background:var(--primary-soft);border:1px solid var(--primary-soft-border);border-radius:var(--radius-md);padding:12px 14px;margin-top:14px}.calculator__price-warning i{color:var(--primary-hover);font-size:15px;flex-shrink:0;margin-top:1px}.calculator__price-warning p{font-size:12.5px;color:var(--ink-soft);line-height:1.55}.calculator__price-warning p strong{color:var(--ink)}@media (max-width:900px){.calculator__box.has-selection{flex-direction:column}.calculator__box.has-selection .calculator__col-left{width:100%;padding-right:0;border-right:none;border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:4px}.calculator__box.has-selection .calculator__col-right{padding-left:0;width:100%}}@media (max-width:768px){.calculator{padding:48px 0 56px}.calculator__box{padding:28px 20px}.calculator__grid{grid-template-columns:repeat(2,1fr)}.calculator__box.has-selection .calculator__grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:480px){.calculator__weight-row{flex-direction:column;align-items:stretch}.calculator__weight-row input[type=number]{width:100%}.calculator__earnings .btn{width:100%;justify-content:center}}