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34px;display:none}._root_ybjex_3 .search-results.show{display:block}._root_ybjex_3 .section-heading{justify-content:space-between;align-items:end;gap:24px;margin:26px 0 16px;display:flex}._root_ybjex_3 .section-heading h2{font:clamp(29px,3vw,39px)/1.05 var(--serif);letter-spacing:-.025em;margin:0}._root_ybjex_3 .section-heading p{max-width:580px;color:var(--muted);margin:4px 0 0}._root_ybjex_3 .result-count{white-space:nowrap;color:var(--muted);font-size:12px}._root_ybjex_3 .results-grid,._root_ybjex_3 .concept-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}._root_ybjex_3 .empty-state{text-align:center;background:#fff;border:1px dashed #b9c8bc;border-radius:16px;padding:38px;display:none}._root_ybjex_3 .empty-state.show{display:block}._root_ybjex_3 .empty-state h3{font:25px var(--serif);margin:0 0 5px}._root_ybjex_3 .empty-state p{color:var(--muted);margin:0 0 16px}._root_ybjex_3 .needs{padding:16px 0 28px}._root_ybjex_3 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h2{font:36px/1.05 var(--serif);margin:14px 0 8px}._root_ybjex_3 .help-panel p{color:var(--ink-2);line-height:1.7}._root_ybjex_3 .help-boundary{border-left:3px solid var(--amber);background:#fbf3e9;margin:22px 0;padding:14px;font-size:12px;color:#744619!important}._root_ybjex_3 .help-panel .btn{width:100%;margin-top:12px}._root_ybjex_3 .toast{z-index:80;background:var(--ink);color:#fff;max-width:390px;box-shadow:var(--shadow);opacity:0;pointer-events:none;border-radius:11px;padding:13px 16px;transition:all .2s;position:fixed;bottom:22px;right:22px;transform:translateY(12px)}._root_ybjex_3 .toast.show{opacity:1;transform:none}._root_ybjex_3 .prototype-label{z-index:25;color:var(--muted);background:#ffffffe6;border:1px solid #ced8d0;border-radius:9px;padding:7px 10px;font-size:9px;position:fixed;bottom:14px;left:16px;box-shadow:0 5px 18px #16221d14}._root_ybjex_3 footer{border-top:1px solid var(--line);background:#fff;padding:30px 0 44px}._root_ybjex_3 .footer-row{color:var(--muted);justify-content:space-between;gap:24px;font-size:11px;display:flex}._root_ybjex_3 .footer-row strong{color:var(--ink)}._root_ybjex_3 .source-card a,._root_ybjex_3 .source-card span{margin-top:7px;display:block}._root_ybjex_3 .source-card a:first-of-type,._root_ybjex_3 .source-card span:first-of-type{margin-top:10px}@media (width<=1050px){._root_ybjex_3 .header-row{grid-template-columns:1fr auto}._root_ybjex_3 .main-nav{display:none}._root_ybjex_3 .hero-card{grid-template-columns:1fr}._root_ybjex_3 .hero-map{grid-template-columns:repeat(3,1fr)}._root_ybjex_3 .map-kicker,._root_ybjex_3 .map-question{grid-column:1/-1}._root_ybjex_3 .needs-grid{grid-template-columns:repeat(3,1fr)}._root_ybjex_3 .results-grid,._root_ybjex_3 .concept-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=760px){._root_ybjex_3 .shell{width:min(100% - 24px,1280px)}._root_ybjex_3 .header-row{min-height:66px;padding:11px 14px}._root_ybjex_3 .brand-mark{width:38px;height:38px}._root_ybjex_3 .header-actions{display:none}._root_ybjex_3 .mobile-menu{border:1px solid var(--line);color:var(--green);background:#fff;border-radius:9px;padding:8px 11px;font-weight:800;display:block}._root_ybjex_3 .hero{padding-top:14px}._root_ybjex_3 .hero-card{gap:25px;min-height:0;padding:26px 20px}._root_ybjex_3 .hero-map{grid-template-columns:1fr;padding:17px}._root_ybjex_3 .map-kicker,._root_ybjex_3 .map-question{grid-column:auto}._root_ybjex_3 .map-line:nth-of-type(n+4){display:none}._root_ybjex_3 h1{font-size:43px}._root_ybjex_3 .hero-lead{font-size:15px}._root_ybjex_3 .section-heading{flex-direction:column;align-items:start;gap:6px}._root_ybjex_3 .needs-grid{grid-template-columns:1fr 1fr}._root_ybjex_3 .need-card{min-height:155px}._root_ybjex_3 .results-grid,._root_ybjex_3 .concept-grid,._root_ybjex_3 .az-list,._root_ybjex_3 .demo-card{grid-template-columns:1fr}._root_ybjex_3 .demo-copy,._root_ybjex_3 .demo-surface{padding:25px}._root_ybjex_3 .article-shell{grid-template-columns:1fr}._root_ybjex_3 .article-side{grid-row:1;position:static}._root_ybjex_3 .article-side .side-card:not(.return-card){display:none}._root_ybjex_3 .number-example,._root_ybjex_3 .key-grid{grid-template-columns:1fr}._root_ybjex_3 .calc-grid,._root_ybjex_3 .calc-grid.calc-grid-short{grid-template-columns:1fr 1fr}._root_ybjex_3 .calc-grid .btn{grid-column:1/-1}._root_ybjex_3 .footer-row{flex-direction:column}}@media (width<=480px){._root_ybjex_3 .needs-grid{grid-template-columns:1fr}._root_ybjex_3 .need-card{min-height:0}._root_ybjex_3 .hero-map{display:none}._root_ybjex_3 .search-box input{height:58px}._root_ybjex_3 .calc-grid{grid-template-columns:1fr}._root_ybjex_3 .calc-grid .btn{grid-column:auto}._root_ybjex_3 .article-head,._root_ybjex_3 .article-body{padding:24px 19px}._root_ybjex_3 .article-head h1{font-size:39px}._root_ybjex_3 .definition{font-size:18px}._root_ybjex_3 .prototype-label{display:none}}@media (prefers-reduced-motion:reduce){._root_ybjex_3{scroll-behavior:auto}._root_ybjex_3 *{transition:none!important}}._root_ybjex_3{min-height:70vh;padding-bottom:24px}._root_ybjex_3 .article-view,._root_ybjex_3 .search-clear{display:block}._root_ybjex_3 .concept-card a{width:fit-content;color:var(--green);text-underline-offset:4px;margin-top:auto;font-weight:850;text-decoration:underline}._root_ybjex_3 a.path-chip,._root_ybjex_3 a.az-item{color:inherit;text-decoration:none}._root_ybjex_3 .path-panel{margin-top:16px}._root_ybjex_3 .article-main,._root_ybjex_3 .article-side{min-width:0}._root_ybjex_3 .source-card{overflow-wrap:anywhere}._root_ybjex_3 .source-card p{margin:8px 0;font-size:12px}._root_ybjex_3 .calc-output{min-height:35px}._root_ybjex_3 .calc-error{color:#9f2d21}._root_ybjex_3 .illustrative{color:var(--muted);font-size:11px}._root_ybjex_3 .breadcrumbs a{color:var(--green)}._root_ybjex_3 .side-card button,._root_ybjex_3 .side-card a{text-align:left}._root_ybjex_3 .side-card button{color:var(--green);cursor:pointer;background:0 0;border:0;margin-top:10px;text-decoration:underline;display:block}._root_ybjex_3 .article-head h1{overflow-wrap:anywhere}._root_ybjex_3 .return-card button,._root_ybjex_3 .return-card a{color:#fff}