@font-face{font-family:CalcSystem;src:local('Inter'),local('Arial');font-display:swap}
:root{--ink:#17324b;--muted:#62768a;--blue:#1768e9;--line:#dfe7ef;--bg:#f4f7fb;--radius:18px;--header:76px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;color:var(--ink);background:var(--bg);font:15px/1.55 CalcSystem,system-ui,sans-serif}a{color:var(--blue);text-decoration:none}button,input,select{font:inherit}button,a,input,select{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #83b2fb;outline-offset:3px}.shell{width:min(1440px,calc(100% - 64px));margin:auto}.site-head{height:var(--header);background:#ffffffed;backdrop-filter:blur(15px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}.head-row{display:flex;align-items:center;justify-content:space-between;height:100%;gap:24px}.brand 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@media(min-width:1100px){.calc-layout>.input-panel{position:relative}.hero.calculator-hero h1{font-size:38px}}
@media(max-width:1150px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.calc-layout{grid-template-columns:320px minmax(0,1fr)}.metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.metric:first-child{grid-column:1/-1}.result-list{grid-template-columns:1fr}}
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@media(max-width:700px){:root{--header:66px}.brand img{width:144px;height:34px}.head-row{gap:10px}.head-links{gap:6px}.head-links .button{font-size:12px;padding:8px 11px}.breadcrumb{font-size:11px;line-height:1.5;margin:18px 0 10px}.hero{padding:14px 0 24px}.hero h1{font-size:29px}.hero p{font-size:14px}.hero-meta{gap:6px;margin-top:14px}.pill{font-size:10px}.catalog-layout{gap:10px}.card-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px}.calc-card{padding:14px;min-height:188px}.calc-card h3{font-size:14px}.calc-card p{font-size:11px}.group-heading h2{font-size:18px}.group-heading a{font-size:11px}.searchbar{gap:8px}.searchbar small{display:none}.calc-layout{grid-template-columns:1fr}.form-body{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:14px 12px}.field{grid-column:1/-1}.field.numeric{grid-column:auto}.field-label{font-size:11px;line-height:1.4;min-height:31px}.field-input input{font-size:16px;padding:10px}.field select{font-size:14px}.form-actions{position:static}.metrics{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.metric:first-child{grid-column:1/-1}.metric dd{font-size:25px}.metric:first-child dd{font-size:32px}.drawing-wrap{padding:8px 6px}.draw-tools{padding:12px 12px 0;gap:5px}.draw-tools button{font-size:11px;padding:7px 10px}.draw-note{padding:6px 16px 14px}.estimate-total strong{font-size:23px}.seo-content article{padding:20px}.table-scroll{max-height:420px}.menu-grid{grid-template-columns:1fr}.result-column{gap:16px}.related .card-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.site-footer .shell{display:block}.site-footer a{display:inline-block;margin:8px 10px 0 0}.extra-results .result-list{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{body{background:white;font-size:11px}.site-head,.breadcrumb,.hero-meta,.head-links,.categories,.searchbar,.menu-dialog,.draw-tools,.export-bar,.form-actions,.related,.seo-content,.site-footer,.skip,.toast{display:none!important}.shell{width:100%}.hero{padding:0 0 15px}.hero h1{font-size:22px!important}.hero p{font-size:11px}.calc-layout{display:block}.input-panel{margin-bottom:15px}.form-body{grid-template-columns:repeat(3,1fr);display:grid}.field{break-inside:avoid}.field-input input,.field-input select{padding:3px;font-size:11px}.field-label{min-height:0}.field-input{min-height:25px}.panel{break-inside:avoid;margin-bottom:14px}.result-column{display:block}.table-scroll{max-height:none;overflow:visible}.estimate-table{min-width:0;width:100%;font-size:9px}.estimate-table th,.estimate-table td{padding:5px}.estimate-table td:nth-child(2){min-width:0}.estimate-table td input{width:60px;border:0;padding:0}.drawing{max-height:330px}.metrics{grid-template-columns:repeat(3,1fr)}.metric:first-child{grid-column:auto}.metric dd{font-size:21px}.estimate-table th{position:static}.panel:has(.estimate-table){break-inside:auto}}