.construction-hub-hero{margin:0 6vw;padding:88px 0 82px;max-width:940px}.construction-hub-hero h1{margin:25px 0 24px;max-width:830px;font-family:var(--app-font-serif);font-size:clamp(55px,7vw,94px);line-height:.92;letter-spacing:-5px}.construction-hub-hero h1 em{color:#36a596;font-style:normal}.construction-hub-hero>p{max-width:700px;color:#637175;font-size:18px;line-height:1.75}.construction-hub-actions{display:flex;align-items:center;gap:24px;margin-top:34px}.construction-hub-actions .primary-button{text-decoration:none}.construction-hub-intro{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;margin:0 6vw;padding:72px 0;border-top:1px solid #d7dbd2;border-bottom:1px solid #d7dbd2}.construction-hub-intro h2,.construction-hub-note h2{margin-top:16px;font-family:var(--app-font-serif);font-size:clamp(34px,4vw,52px);line-height:1.04;letter-spacing:-2px}.construction-hub-intro>p,.construction-hub-note p{max-width:660px;color:#657176;font-size:16px;line-height:1.8}.construction-sections{margin:0 6vw;padding:45px 0 95px}.construction-section{padding:55px 0;border-bottom:1px solid #d7dbd2;scroll-margin-top:80px}.construction-section-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:28px}.construction-section-heading h2{margin-top:8px;font-family:var(--app-font-serif);font-size:38px;letter-spacing:-1.5px}.construction-tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.construction-tool-card{display:flex;min-height:270px;flex-direction:column;padding:24px;color:inherit;text-decoration:none;background:#fbfaf5;border:1px solid #d8ddd3;transition:transform .18s ease,box-shadow .18s ease}.construction-tool-card:hover{transform:translateY(-3px);box-shadow:8px 9px #e2e7df}.construction-card-label{margin-top:22px;color:#319486;font-size:10px}.construction-tool-card h3{margin-top:10px;font-family:var(--app-font-serif);font-size:24px;letter-spacing:-.6px}.construction-tool-card p{margin-top:11px;color:#687579;font-size:14px;line-height:1.55}.construction-card-link{display:flex;align-items:center;gap:6px;margin-top:auto;padding-top:20px;color:#287f76;font-weight:600;font-size:13px}.construction-hub-note{display:grid;grid-template-columns:1fr;gap:24px;padding:40px 6vw;background:#e9ece4}.construction-calculator-page{margin:0 6vw;padding:48px 0 95px}.construction-calc-layout{display:grid;grid-template-columns:minmax(280px,.78fr) minmax(480px,1.22fr);gap:7vw;align-items:start;margin-top:62px}.construction-calc-copy{position:sticky;top:34px;padding-top:62px}.construction-calc-copy h1{margin:20px 0;font-family:var(--app-font-serif);font-size:clamp(48px,5vw,73px);line-height:.94;letter-spacing:-4px}.construction-calc-copy h1 span{color:#ef8f62}.construction-calc-copy>p{max-width:520px;color:#667378;font-size:16px;line-height:1.7}.construction-calculator-card{padding:27px;background:#fbfaf5;border:1px solid #d8ddd3;box-shadow:11px 12px #e2e7df}.construction-calc-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px 18px;padding-bottom:18px;border-bottom:1px solid #d8ddd3}.unit-switch{display:flex;align-items:center;gap:10px;color:#667378;font-size:12px}.unit-switch select{min-height:38px;padding:0 32px 0 11px;color:#24363b;background:#f1f2ec;border:2px solid #b8c1b2;border-radius:6px}.construction-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px;padding:24px 0}.construction-field{display:block}.construction-field>span{display:flex;justify-content:space-between;margin-bottom:8px;color:#4d5f64;font-size:12px;font-weight:600}.construction-field small{color:#879195;font-family:var(--app-font-mono);font-size:10px;font-weight:400}.construction-field input{width:100%;min-height:48px;padding:0 13px;color:#25383d;background:#f3f4ee;border:2px solid #b8c1b2;border-radius:6px;font-family:var(--app-font-mono);font-size:15px}.construction-field input:focus,.unit-switch select:focus{outline:2px solid #36a596;outline-offset:2px}.construction-result{padding:23px;color:#f8f6ef;background:#233a40;border-radius:8px 8px 0 0}.construction-result.has-error{background:#7a3f34}.construction-result>span{color:#7ac6bb;font-size:10px}.construction-result>strong{display:block;margin-top:8px;font-family:var(--app-font-serif);font-size:31px;letter-spacing:-1px}.construction-result>p{margin-top:8px;color:#c7d0cf;font-size:13px;line-height:1.5}.construction-result-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:18px}.construction-result-actions .copy-button{position:static}.construction-breakdown{margin-top:0;padding:18px 23px 22px;color:#f8f6ef;background:#233a40;border-top:1px solid #496067;border-radius:0 0 8px 8px}.construction-breakdown>span{display:block;margin-bottom:9px;color:#8db8ff;font-size:10px}.construction-breakdown>div{display:flex;align-items:baseline;justify-content:space-between;gap:24px;padding:10px 0;border-bottom:1px solid #496067}.construction-breakdown>div:last-child{border-bottom:0}.construction-breakdown>div span{color:#c7d0cf;font-size:13px}.construction-breakdown>div strong{color:#fff;text-align:right;font-family:var(--app-font-mono);font-size:13px}.construction-result .construction-breakdown{margin:18px -23px -23px;padding:18px 23px 22px;border-top:1px solid rgba(255,255,255,.18);border-radius:0 0 8px 8px;background:#233a40}.construction-result .construction-breakdown>span{color:#9ec5ff}.construction-result .construction-breakdown>div{border-bottom-color:#ffffff24}.construction-result .construction-breakdown>div span{color:#d4dddc}.construction-result .construction-breakdown>div strong{color:#fff}.construction-result .advanced-result-breakdown{margin-top:18px;border-top:2px solid rgba(158,197,255,.7)}.construction-advanced-fields{margin:8px 0 22px;padding:18px;border:1px solid #cbd5e1;border-radius:8px;background:#f8fafc}.construction-advanced-fields .eyebrow{color:#1d4ed8;font-size:11px;font-weight:800;letter-spacing:.08em}.construction-advanced-fields .advanced-mode-explainer{margin:8px 0 0;color:#475569;font-size:13px;line-height:1.55}.construction-advanced-fields .construction-fields{padding-bottom:0}.construction-content-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:7vw;margin-top:90px;padding-top:75px;border-top:1px solid #d7dbd2}.construction-content section{padding:0 0 52px}.construction-content h2{margin:13px 0 15px;font-family:var(--app-font-serif);font-size:34px;letter-spacing:-1px}.construction-content p,.construction-content li{color:#5d6c70;font-size:15px;line-height:1.75}.construction-content ol{padding-left:21px}.construction-content li{margin-bottom:8px;padding-left:7px}.construction-faq details{padding:12px 0;border-top:1px solid #d7dbd2}.construction-faq details:last-child{border-bottom:1px solid #d7dbd2}.construction-faq summary{cursor:pointer;color:#273b40;font-weight:700}.construction-faq details p{padding-top:12px}.related-tools{padding:24px;background:#e9ece4}.related-tool-list{margin-top:12px}.related-tool{display:grid;grid-template-columns:auto 1fr auto;gap:11px;align-items:center;padding:15px 0;color:inherit;text-decoration:none;border-bottom:1px solid #d2d8cf}.related-tool:last-child{border:0}.related-tool strong,.related-tool small{display:block}.related-tool strong{font-size:13px}.related-tool small{margin-top:4px;color:#6d797c;font-size:11px;line-height:1.35}.construction-aside-link{display:flex;justify-content:space-between;margin-top:15px;padding:16px 18px;color:#f8f6ef;text-decoration:none;background:#233a40;font-size:13px;font-weight:700}@media(max-width:900px){.construction-tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.construction-calc-layout{grid-template-columns:1fr;gap:35px}.construction-calc-copy{position:static;padding-top:10px}.construction-content-grid{grid-template-columns:1fr 300px;gap:38px}}@media(max-width:680px){.construction-hub-hero,.construction-hub-intro,.construction-sections,.construction-calculator-page{margin-left:18px;margin-right:18px}.construction-hub-hero{padding:54px 0 58px}.construction-hub-hero h1{font-size:53px;letter-spacing:-3px}.construction-hub-hero>p{font-size:15px}.construction-hub-actions{align-items:flex-start;flex-direction:column}.construction-hub-intro{display:block;padding:55px 0}.construction-hub-intro>p{margin-top:24px}.construction-section{padding:46px 0}.construction-tool-grid{grid-template-columns:1fr}.construction-tool-card{min-height:235px}.construction-hub-note{grid-template-columns:1fr;padding:55px 18px 65px}.construction-hub-note .principle-mark{margin-bottom:8px}.construction-calculator-page{min-width:0;padding-top:35px;overflow-x:hidden}.construction-calc-layout{min-width:0;margin-top:36px}.construction-calc-copy h1{max-width:100%;font-size:46px;letter-spacing:-3px;overflow-wrap:anywhere}.construction-calculator-card{min-width:0;padding:17px;box-shadow:7px 8px #e2e7df}.construction-calc-head{align-items:stretch;flex-direction:column}.construction-calc-head .unit-switch{display:grid;grid-template-columns:72px minmax(0,1fr)}.construction-calc-head .unit-switch select{width:100%;min-width:0}.construction-fields{grid-template-columns:1fr}.construction-field,.construction-field>span,.construction-field input,.construction-field select{min-width:0;max-width:100%}.construction-result>strong{font-size:25px}.construction-result-actions{flex-wrap:wrap}.construction-content-grid{grid-template-columns:1fr;margin-top:65px;padding-top:55px}.construction-content h2{font-size:30px}.construction-content-grid aside{order:-1}.construction-section-heading{align-items:flex-start;flex-direction:column;gap:10px}}.construction-hub-hero h1 em,.construction-card-label,.construction-card-link{color:var(--brand-blue)}.construction-field input:focus,.unit-switch select:focus{outline-color:var(--brand-blue)}.construction-result>span{color:#6aa5ff}.construction-calculator-card button,.construction-calculator-card select,.construction-result-actions .copy-button{min-height:44px}.construction-field small,.related-tool small{color:#566568}.construction-field select{color:#25383d;background:#f3f4ee}.construction-calculator-card .date-method-notes{margin:4px 0 20px;padding:16px 18px;border:2px solid var(--brand-blue);border-radius:8px;background:#eff6ff}.construction-calculator-card .date-method-notes p{margin:0 0 7px;color:#1e3a5f;font-size:13px;line-height:1.55}.construction-calculator-card .date-method-notes p:last-child{margin-bottom:0}.construction-calculator-card .date-method-notes strong{color:#123a72}.construction-calculator-page{width:min(100% - 48px,1184px);margin:0 auto;padding:40px 0 56px}.construction-calc-layout{grid-template-columns:minmax(260px,.72fr) minmax(0,1.28fr);gap:48px;margin-top:36px}.construction-calc-copy{top:96px;padding-top:0}.construction-calc-copy h1{margin:16px 0;font-family:var(--app-font-sans);font-size:clamp(32px,5vw,48px);line-height:1.08;letter-spacing:-.02em}.construction-calculator-card{min-width:0;padding:24px;background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow-md)}.construction-fields{gap:16px}.construction-field{min-width:0}.construction-field>span{color:#334155;font-size:14px}.construction-field input,.construction-field select,.unit-switch select{min-width:0;min-height:52px;color:#0f172a;background:#fff;border:2px solid #94a3b8;border-radius:8px;font-family:var(--app-font-sans);font-size:16px;font-weight:600}.construction-field input:focus,.construction-field select:focus,.unit-switch select:focus{outline:0;border-color:var(--brand-blue);box-shadow:0 0 0 3px #2563eb2e}.construction-content-grid{gap:48px;margin-top:48px;padding-top:48px}.construction-content section{padding-bottom:36px}.construction-faq details{padding:0}.construction-faq summary{min-height:48px;padding:12px 0}.construction-faq details p{padding:0 0 16px}@media(max-width:900px){.construction-calc-layout{grid-template-columns:1fr;gap:28px}.construction-calc-copy{position:static}.construction-content-grid{grid-template-columns:1fr}.construction-content-grid aside{order:0}}@media(max-width:760px){.construction-calculator-page{width:calc(100% - 32px);padding:28px 0 40px}.construction-calc-layout{margin-top:24px;gap:24px}.construction-calc-copy h1{font-size:clamp(30px,8vw,38px)}.construction-calculator-card{padding:18px 16px;box-shadow:var(--shadow-sm)}.construction-calc-head{align-items:stretch;flex-direction:column}.unit-switch{display:grid;grid-template-columns:1fr}.construction-fields{grid-template-columns:1fr}.construction-result>strong{font-size:25px;overflow-wrap:anywhere}.construction-result .construction-breakdown{margin-left:-16px;margin-right:-16px;margin-bottom:-18px;padding-left:16px;padding-right:16px}.construction-advanced-fields{padding:15px 13px}.construction-content-grid{margin-top:36px;padding-top:36px;gap:28px}.construction-content section{padding-bottom:30px}.construction-content h2{font-size:25px;letter-spacing:-.02em}}@media(max-width:340px){.construction-calculator-page{width:calc(100% - 24px)}.construction-calculator-card{padding-inline:12px}}.construction-order-hint{display:grid;gap:3px;margin:10px 0 14px;padding:11px 12px;border:1px solid var(--border);border-radius:9px;background:color-mix(in srgb,var(--muted) 48%,var(--background))}.construction-order-hint strong{color:var(--ink);font-size:.82rem}.construction-order-hint span{color:var(--muted-foreground);font-size:.76rem;line-height:1.4}@media(max-width:680px){.construction-result-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.construction-result-actions .copy-button{width:100%;min-height:46px}}.construction-calculator-page{width:min(100% - 40px,1184px);padding-top:28px}.construction-calc-layout{grid-template-columns:minmax(280px,.78fr) minmax(0,1.22fr);gap:22px;margin-top:0}.construction-calc-copy{top:92px;padding:30px;color:#f8fafc;background:radial-gradient(circle at 0 0,rgba(59,130,246,.24),transparent 35%),radial-gradient(circle at 100% 100%,rgba(45,212,191,.15),transparent 30%),linear-gradient(135deg,#08142f,#102c5b);border-radius:22px;box-shadow:0 20px 52px #0f172a21}.construction-calc-copy .eyebrow{color:#83f2de}.construction-calc-copy h1{color:#fff}.construction-calc-copy h1 span{color:#83f2de}.construction-calc-copy p{color:#d4e2f4}.construction-calculator-card{padding:28px;border-color:#dce6f0;border-radius:22px;box-shadow:0 18px 48px #0f172a14}.construction-field input,.construction-field select,.unit-switch select{border-radius:10px}.construction-content-grid{gap:34px;margin-top:54px;padding-top:54px}.construction-content section{margin-bottom:18px;padding:28px;border:1px solid #e1e9f1;border-radius:18px;background:#fff;box-shadow:0 8px 24px #0f172a09}.construction-faq details{padding:0 16px;border:1px solid #e1e9f1;border-radius:12px;background:#f8fafc}@media(max-width:900px){.construction-calc-layout{grid-template-columns:1fr}.construction-calc-copy{position:static}}@media(max-width:760px){.construction-calculator-page{width:calc(100% - 24px)}.construction-calc-copy{padding:24px 20px;border-radius:18px}.construction-calculator-card{padding:20px 16px;border-radius:18px}.construction-content section{padding:22px 18px;border-radius:16px}}.construction-browse-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.construction-browse-heading h2{margin-top:8px;font-family:var(--app-font-serif);font-size:38px;letter-spacing:-1.5px}.construction-browse-controls{display:flex;align-items:end;flex-wrap:wrap;gap:14px;margin-bottom:22px;padding:18px;border:1px solid #dbe5ef;border-radius:16px;background:#f7fbff}.construction-browse-controls label{display:flex;flex:1 1 240px;flex-direction:column;gap:7px;color:#32465f;font-size:13px;font-weight:750}.construction-browse-controls label:first-child{flex:2 1 340px}.construction-browse-controls input,.construction-browse-controls select{box-sizing:border-box;width:100%;min-height:48px;padding:10px 13px;border:2px solid #a9bfd7;border-radius:10px;background:#fff;color:#142a46;font:inherit}.construction-browse-controls button,.construction-browse-footer button,.construction-browse-empty button{min-height:46px;padding:0 18px;border:1px solid #1e4ea5;border-radius:10px;background:#163e81;color:#fff;font-weight:750;cursor:pointer}.construction-browse-controls input:focus-visible,.construction-browse-controls select:focus-visible,.construction-browse-controls button:focus-visible,.construction-browse-footer button:focus-visible{outline:3px solid #2563eb;outline-offset:2px}.construction-tool-grid-dense .construction-tool-card{min-height:220px;padding:20px}.construction-tool-grid-dense .construction-card-label{margin-top:16px}.construction-browse-footer{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:18px;color:#475569;font-size:14px}.construction-browse-footer button{display:inline-flex;align-items:center;gap:8px}.construction-browse-empty{padding:34px;border:1px dashed #bdcfe0;border-radius:14px;background:#f8fbff;text-align:center}.construction-browse-empty button{margin-top:12px}.construction-full-index{margin-top:22px;border:1px solid #dbe5ef;border-radius:14px;background:#fff;overflow:hidden}.construction-full-index>summary{padding:17px 19px;cursor:pointer;color:#173f85;font-weight:750}.construction-full-index>div{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:#e2e8f0;border-top:1px solid #dbe5ef}.construction-full-index a{display:flex;flex-direction:column;gap:4px;padding:14px;background:#fff;color:inherit;text-decoration:none}.construction-full-index a:hover{background:#f7fbff}.construction-full-index a span{color:#64748b;font-size:12px}@media(min-width:1100px){.construction-tool-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media(max-width:1099px)and (min-width:681px){.construction-full-index>div{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:680px){.construction-browse-heading{align-items:flex-start;flex-direction:column}.construction-browse-controls{padding:14px}.construction-browse-controls label{flex:1 1 100%}.construction-browse-footer{align-items:stretch;flex-direction:column}.construction-browse-footer button{justify-content:center}.construction-full-index>div{grid-template-columns:1fr}}