:root{--ink:#202f35;--muted:#5f6d70;--deep:#102d32;--pine:#1d665e;--mint:#e6f3ed;--sand:#f6f4ef;--cream:#faf9f6;--card:#fff;--line:#dce2de;--sun:#d86643;--soft:#f0e6dc;--shadow:0 18px 60px rgba(26,50,48,.09);--radius:18px;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,'Segoe UI',Arial,sans-serif;line-height:1.55;font-size:15px}a{color:var(--pine);text-underline-offset:3px}a:hover{color:#134c45}button,input,select{font:inherit}button{cursor:pointer}h1,h2,h3,h4{font-family:ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;letter-spacing:-.035em;line-height:1.12;margin:0}h1{font-size:clamp(2.35rem,5.4vw,4.55rem);font-weight:800}h2{font-size:clamp(1.5rem,2.8vw,2.5rem)}h3{font-size:1.13rem;letter-spacing:-.02em}p{margin:.7rem 0 1rem}.container{max-width:1200px;margin:auto;padding:0 28px}.skip{position:absolute;top:-90px;left:16px;background:#fff;padding:9px 14px;z-index:99}.skip:focus{top:6px}.announcement{background:var(--deep);color:#d5ece4;font-size:12px;padding:9px 0;text-align:center;letter-spacing:.01em}.announcement span{color:#fff;font-weight:750}.site-header{background:rgba(250,249,246,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30;backdrop-filter:blur(16px)}.nav{display:flex;gap:25px;align-items:center;min-height:76px}.brand{display:inline-flex;gap:10px;align-items:center;color:var(--deep);font-size:23px;font-weight:840;letter-spacing:-.055em;text-decoration:none;white-space:nowrap}.logo{width:34px;height:34px;display:grid;place-items:center;background:var(--deep);border-radius:10px;color:white}.logo svg{width:22px;height:22px}.nav-links{display:flex;gap:23px;align-items:center;margin-left:auto}.nav-links a{font-weight:650;color:var(--ink);font-size:14px;text-decoration:none}.nav-links a:hover{color:var(--pine)}.header-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:750;text-decoration:none;border:1px solid transparent;border-radius:10px;padding:12px 17px;white-space:nowrap}.header-cta{background:var(--deep);color:#fff!important;font-size:13px}.btn-primary{background:var(--pine);color:#fff;border-color:var(--pine)}.btn-primary:hover{background:#124b45;color:#fff}.btn-secondary{background:white;color:var(--ink);border:1px solid var(--line)}.btn-secondary:hover{background:#f4f9f6;color:var(--pine)}.btn-light{background:#fff;color:var(--deep)}.mobile-menu{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;padding:8px 10px}.eyebrow{display:inline-flex;align-items:center;gap:7px;letter-spacing:.11em;text-transform:uppercase;font-weight:850;font-size:11px;color:var(--pine)}.hero{background:linear-gradient(142deg,#f4eee4 0%,#f8f6ef 57%,#eaf3ed 100%);overflow:hidden;border-bottom:1px solid var(--line)}.hero-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(390px,.91fr);align-items:center;gap:40px;padding:86px 28px 82px;min-height:575px}.hero h1{max-width:700px;margin:14px 0 20px}.hero h1 em{font-style:normal;color:var(--pine)}.hero .lead{color:#53635e;max-width:575px;font-size:18px;line-height:1.72}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:29px}.hero-note{display:flex;align-items:center;gap:10px;color:#62706b;font-size:12px;margin-top:26px}.dot{height:8px;width:8px;background:#55a77f;border-radius:50%}.hero-art{position:relative;min-height:425px}.blueprint{position:absolute;inset:0;background-color:#dfeae0;background-image:linear-gradient(rgba(37,91,82,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(37,91,82,.08) 1px,transparent 1px);background-size:26px 26px;border:1px solid #ccded3;border-radius:26px;transform:rotate(2deg);overflow:hidden;box-shadow:var(--shadow)}.blueprint svg{width:100%;height:100%}.float-card{position:absolute;background:#fff;border:1px solid #e0e6df;border-radius:13px;box-shadow:0 18px 32px rgba(23,56,52,.13);padding:16px 18px;min-width:180px;z-index:1}.float-card.top{top:44px;right:-10px}.float-card.bottom{left:-23px;bottom:30px}.float-card small{display:block;color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.float-card strong{display:block;font-size:23px;letter-spacing:-.05em;margin-top:4px}.float-card .accent{color:var(--pine)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:26px 0;border-bottom:1px solid var(--line)}.stats-item{display:flex;align-items:center;gap:13px}.stats-item .bicon{width:43px;height:43px;border-radius:12px;background:var(--mint);color:var(--pine);display:grid;place-items:center;font-size:21px}.stats-item strong{display:block;font-size:15px}.stats-item small{color:var(--muted);font-size:12px}.section{padding:70px 0}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:27px}.section-heading p{color:var(--muted);max-width:580px;margin-bottom:0}.category-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}.category-card{display:block;text-decoration:none;color:var(--ink);border:1px solid var(--line);border-radius:16px;background:white;padding:24px 18px;min-height:165px;transition:transform .15s,border-color .15s,box-shadow .15s}.category-card:hover,.tool-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#a6cbc0;color:var(--ink)}.category-card .big-symbol{font-size:28px;line-height:1;margin-bottom:20px;display:block}.category-card h3{margin-bottom:8px}.category-card small{color:var(--muted)}.muted{color:var(--muted)}.search-panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:0 8px 30px rgba(18,45,48,.035)}.search-row{display:flex;align-items:center;gap:12px}.search-row input{width:100%;border:0;outline:none;padding:13px;font-size:16px;background:transparent;color:var(--ink)}.search-icon{font-size:20px;color:var(--pine)}.chips{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 22px}.chip{border-radius:100px;padding:8px 13px;background:#fff;border:1px solid var(--line);color:var(--muted);font-size:12px;font-weight:700}.chip[aria-pressed=true]{background:var(--deep);color:white;border-color:var(--deep)}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.tool-card{display:flex;flex-direction:column;gap:12px;padding:24px;background:white;border:1px solid var(--line);border-radius:15px;text-decoration:none;color:var(--ink);transition:transform .15s,border-color .15s,box-shadow .15s}.tool-card .tag,.tag{font-size:10px;color:var(--pine);text-transform:uppercase;letter-spacing:.12em;font-weight:850}.tool-card h3{font-size:19px;margin:0}.tool-card p{font-size:13px;color:var(--muted);margin:0;flex:1;line-height:1.55}.card-arrow{font-weight:800;color:var(--pine);font-size:12px}.empty-state{text-align:center;padding:22px;color:var(--muted)}.feature-band{background:var(--deep);color:#f2f7f4;padding:70px 0}.feature-band h2{max-width:800px}.features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px;margin-top:38px}.feature{border-top:1px solid rgba(255,255,255,.25);padding-top:24px}.feature span{color:#93d9b5;letter-spacing:.1em;font-weight:800;font-size:11px}.feature h3{font-size:20px;margin:12px 0}.feature p{color:#c3d7d2;margin-bottom:0}.cta-band{padding:54px 0}.cta-inner{background:#dce9de;border-radius:21px;padding:36px 42px;display:flex;align-items:center;justify-content:space-between;gap:24px}.footer{background:#eef0e9;border-top:1px solid var(--line);padding:44px 0 26px}.foot-cols{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:40px}.foot-cols h4{font-size:13px;margin-bottom:15px}.foot-cols a{display:block;margin:7px 0;font-size:13px;color:var(--muted);text-decoration:none}.foot-bottom{display:flex;justify-content:space-between;gap:25px;border-top:1px solid #cfd8d2;margin-top:30px;padding-top:18px;font-size:12px;color:var(--muted)}.page-hero{padding:42px 0 30px;background:#f3f2ec;border-bottom:1px solid var(--line)}.page-hero h1{font-size:clamp(2rem,4vw,3.3rem);margin:12px 0}.page-hero p{max-width:740px;color:var(--muted)}.breadcrumb{font-size:12px;color:var(--muted);display:flex;gap:9px;flex-wrap:wrap}.breadcrumb a{color:var(--muted);text-decoration:none}.breadcrumb a:hover{color:var(--pine)}.tool-layout{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(305px,.85fr);gap:24px;align-items:start;padding:36px 0 30px}.panel{border:1px solid var(--line);background:#fff;border-radius:17px;padding:26px;box-shadow:0 5px 28px rgba(12,45,42,.035)}.panel h2{font-size:22px}.panel h3{font-size:17px}.panel-intro{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:20px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:12px;font-weight:750;color:#354943}.field .help{font-size:11px;color:#697977;line-height:1.35}.input-shell{display:flex;border:1px solid #cfd8d1;border-radius:9px;overflow:hidden;align-items:center;background:#fff}.input-shell:focus-within{outline:3px solid #d8eae0;border-color:#4e9f87}.input-shell input,.input-shell select{min-width:0;width:100%;padding:11px 12px;color:var(--ink);border:0;outline:0;background:transparent;font-variant-numeric:tabular-nums}.unit{display:block;padding:0 11px;color:#5d7169;border-left:1px solid var(--line);background:#f7faf7;min-width:40px;text-align:center;font-size:12px;white-space:nowrap}.form-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:23px}.result-panel{background:linear-gradient(160deg,#123e3a,#163d3c);color:white;position:sticky;top:106px;border-color:#194e48}.result-panel .eyebrow{color:#94dbc0}.result-panel h2{color:white}.results{display:grid;gap:11px;margin:23px 0}.result-row{padding:15px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.12);border-radius:11px}.result-row small{display:block;color:#b6d4cb;font-weight:600;font-size:12px;margin-bottom:5px}.result-row strong{display:block;font-size:23px;letter-spacing:-.03em;word-break:break-word}.result-row .alt-unit{font-size:12px;color:#a7cac0;font-weight:500;margin-left:9px;white-space:nowrap}.result-placeholder{padding:26px 8px;color:#cadfd9;text-align:center}.result-placeholder strong{display:block;color:#fff;font-size:18px}.result-panel .btn-secondary{border-color:#436962;background:#224e4a;color:white}.result-panel .btn-primary{background:#db805c;border-color:#db805c;color:#172c27}.result-panel .btn-primary:hover{background:#efa27a}.result-help{font-size:12px;color:#bdd6cf;margin-top:15px}.hint{padding:13px;border-radius:10px;background:#f6f3ed;border:1px solid #e9e1d7;font-size:13px;color:#4d5d55}.hint strong{color:#294a3b}.error{color:#ffe4d7;background:#653b35;border:1px solid #a36759;padding:12px;border-radius:9px;margin-top:11px;font-size:13px}.content-narrow{max-width:920px;padding-top:20px;padding-bottom:60px}.article-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:24px}.readable h2{font-size:23px;margin:28px 0 12px}.readable h3{font-size:17px;margin:18px 0 8px}.readable p{line-height:1.8;color:#52615f}.readable ul{padding-left:21px;color:#52615f;line-height:1.7}.readable li{margin:6px 0}.readable code{background:#edf2ed;padding:2px 5px;border-radius:4px}.aside-mini{border:1px solid var(--line);border-radius:14px;padding:22px;background:#fff;align-self:start}.aside-mini a{display:block;margin:12px 0;font-size:13px}.trust-strip{display:flex;align-items:center;gap:9px;flex-wrap:wrap;font-size:11px;font-weight:750;color:#2b7360;margin-top:18px}.trust-pill{background:#e6f2ea;border:1px solid #cde3d2;border-radius:20px;padding:6px 10px}.prefs{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:16px}.pref-label{font-size:12px;font-weight:750}.prefs select{border:1px solid #cfdbd2;border-radius:8px;padding:8px;background:white;color:var(--ink);font-size:12px;max-width:260px}.local-note{font-size:11px;color:var(--muted);margin:7px 0 0}.project-head{display:flex;justify-content:space-between;align-items:center;gap:20px}.project-grid{display:grid;grid-template-columns:1fr .42fr;gap:24px;padding:35px 0 65px}.saved-item{border-bottom:1px solid var(--line);padding:16px 0}.saved-item:last-child{border-bottom:0}.saved-item strong{display:block}.saved-item small{display:block;color:var(--muted);margin:3px 0 8px}.saved-item .saved-values{font-size:13px;color:#405b55}.saved-item button{padding:7px 9px;margin:10px 8px 0 0;font-size:12px;background:white;color:var(--pine);border:1px solid var(--line);border-radius:7px}.pill-note{background:#f4eee7;border-radius:100px;display:inline-block;padding:5px 10px;color:#76563b;font-size:11px;font-weight:750}.divider{border:0;border-top:1px solid var(--line);margin:20px 0}.status-line{color:var(--pine);font-size:12px;min-height:22px;margin-top:8px}.small{font-size:13px}.text-link{font-weight:700;text-decoration:none}.print-only{display:none}
@media(max-width:1000px){.category-grid{grid-template-columns:repeat(3,1fr)}.tool-grid{grid-template-columns:repeat(2,1fr)}.hero-in{grid-template-columns:1fr 1fr;gap:20px}.hero-art{min-height:350px}.float-card.top{right:-2px}.float-card.bottom{left:-4px}}
@media(max-width:760px){.container{padding:0 18px}.nav{min-height:65px;gap:12px}.brand{font-size:21px}.nav-links{display:none;position:absolute;top:65px;right:0;left:0;background:#faf9f6;border-bottom:1px solid var(--line);padding:17px 20px;flex-direction:column;align-items:flex-start;gap:18px}.nav-links.open{display:flex}.header-cta{margin-left:auto;padding:8px 11px}.mobile-menu{display:block}.hero-in{grid-template-columns:1fr;padding:47px 18px 30px;min-height:0}.hero-art{min-height:310px;margin:16px 14px 15px}.hero .lead{font-size:16px}.float-card{min-width:145px;padding:11px}.float-card strong{font-size:19px}.stats{grid-template-columns:1fr;gap:14px;padding:20px 0}.section{padding:46px 0}.section-heading{align-items:start;flex-direction:column;gap:8px}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.category-card{min-height:135px;padding:18px}.tool-grid{grid-template-columns:1fr}.features{grid-template-columns:1fr;gap:20px}.cta-inner{padding:25px;flex-direction:column;align-items:flex-start}.foot-cols{grid-template-columns:repeat(2,1fr);gap:22px}.foot-bottom{flex-direction:column;gap:5px}.tool-layout{grid-template-columns:1fr;gap:15px}.result-panel{position:static}.panel{padding:19px}.article-grid,.project-grid{grid-template-columns:1fr}.project-head{align-items:flex-start;flex-direction:column}.form-grid{gap:12px}.page-hero{padding:29px 0 25px}}
@media(max-width:410px){.form-grid{grid-template-columns:1fr}.brand{font-size:18px}.header-cta{font-size:11px}}
@media print{.site-header,.announcement,.footer,.hero-actions,.form-actions,.prefs,.breadcrumbs,.aside-mini,.cta-band,.search-panel,.chips,.nav,.no-print,.trust-strip{display:none!important}body{background:#fff;color:#000;font-size:11pt}.page-hero{padding:0;border:0}.container{max-width:none}.tool-layout{display:block;padding:0}.panel{break-inside:avoid;border:1px solid #aaa;box-shadow:none;margin:10px 0}.result-panel{background:white!important;color:black!important}.result-panel h2,.result-row strong,.result-placeholder strong{color:black}.result-row{background:white;border-color:#bbb}.result-row small,.result-panel .eyebrow,.result-help{color:#444}.print-only{display:block}}
[hidden]{display:none!important}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #d86643;outline-offset:3px} .site-status{color:var(--pine);font-size:12px;min-height:19px}

/* V3.1 fit and polish fixes */
body{overflow-x:hidden}.hero-in{grid-template-columns:minmax(0,1fr) minmax(320px,.92fr)}.hero-art{min-height:425px;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:18px 18px 30px}.blueprint{position:relative;inset:auto;width:min(100%,620px);height:100%;min-height:390px;max-height:470px;transform:rotate(1.2deg);margin-left:auto}.float-card{max-width:min(240px,calc(100% - 24px))}.float-card.top{right:12px}.float-card.bottom{left:12px;bottom:18px}.foot-bottom{justify-content:flex-start}.site-status{display:none!important;position:fixed!important;bottom:12px!important;left:18px!important;background:#fff!important;border:1px solid #ddd!important;z-index:35!important;border-radius:7px!important;padding:8px!important;max-width:310px!important;pointer-events:none!important;box-shadow:0 10px 24px rgba(16,45,50,.12)!important}.site-status.active{display:block!important}@media(max-width:1000px){.hero-art{padding:10px 10px 22px}.blueprint{min-height:330px;max-height:410px}.float-card.top{right:8px}.float-card.bottom{left:8px}}@media(max-width:760px){.hero-art{min-height:300px;margin:16px 0 15px;padding:0 0 18px}.blueprint{min-height:290px;max-height:none;width:100%}.float-card{min-width:0;max-width:210px}.float-card.top{top:18px;right:8px}.float-card.bottom{left:8px;bottom:12px}}@media(max-width:480px){.hero-art{min-height:270px}.blueprint{min-height:255px}.float-card strong{font-size:17px}}

/* BuildQuivo identity final: exact original palette; accessible nav and compact brand mark. */
.brand-mark{display:inline-block;width:38px;height:38px;flex:0 0 38px;object-fit:contain;vertical-align:middle}
.brand .footer-mark{width:30px;height:30px;flex-basis:30px}
.foot-cols .brand{display:inline-flex;align-items:center;gap:8px}
@media(max-width:410px){.brand-mark{width:32px;height:32px;flex-basis:32px}.brand{gap:6px}}
@media print{.brand-mark{print-color-adjust:exact;-webkit-print-color-adjust:exact}}
/* V3.2 mobile hero fix: prevent the V3.1 late grid rule from overriding mobile layout. */
@media(max-width:760px){
  .hero-in{grid-template-columns:minmax(0,1fr);gap:18px;min-height:auto;padding:43px 18px 30px}
  .hero-in>div{min-width:0}
  .hero-art{width:100%;min-height:300px;max-width:520px;margin:5px auto 0;padding:0 0 18px}
  .hero .lead{max-width:100%}
  .hero h1{max-width:100%;overflow-wrap:normal}
}
@media(max-width:410px){
  .hero-in{padding:36px 18px 28px}
  .hero-art{min-height:265px}
  .hero h1{font-size:clamp(2.25rem,10.2vw,3rem)}
  .hero .lead{font-size:15.5px;line-height:1.55}
  .float-card.top{top:14px;right:6px}
  .float-card.bottom{left:6px;bottom:10px}
}

/* V3.3: Final user-approved BuildQuivo Architectural Measurement logo.
   Raster source is the exact original approved artwork, not a substituted logo/font. */
.approved-brand{display:inline-flex!important;align-items:center!important;flex:0 0 auto;line-height:1!important;min-width:0}
.approved-logo{display:block;width:235px;height:auto;max-width:100%;object-fit:contain}
.foot-cols .approved-brand{display:inline-flex!important;margin:0}
.foot-cols .approved-logo{width:215px}
@media(max-width:1000px){.approved-logo{width:210px}.nav{gap:16px}.nav-links{gap:16px}}
@media(max-width:760px){.approved-logo{width:205px}.nav{gap:9px}}
@media(max-width:420px){.site-header .header-cta{display:none!important}.approved-logo{width:min(205px,calc(100vw - 102px))}.nav{justify-content:space-between}.mobile-menu{margin-left:auto}}
@media print{.approved-logo{print-color-adjust:exact;-webkit-print-color-adjust:exact}}

/* V3.4 – Exact original uploaded 2048x682 RGBA logo used as a single, unmodified image.
   No separate wordmark, hand-redrawn icon, crop, filters or forced height. */
.site-header .approved-brand,.foot-cols .approved-brand{display:inline-flex!important;align-items:center!important;min-width:0;flex-shrink:0;text-decoration:none}
.site-header .approved-logo{display:block!important;width:330px!important;height:auto!important;max-width:100%!important;object-fit:contain!important;object-position:center!important;transform:none!important;filter:none!important;border:0!important}
.foot-cols .approved-logo{display:block!important;width:285px!important;max-width:100%!important;height:auto!important;object-fit:contain!important;transform:none!important;filter:none!important}
@media(max-width:1100px){.site-header .approved-logo{width:290px!important}.nav-links{gap:12px}}
@media(max-width:760px){.site-header .approved-logo{width:255px!important}.nav{min-height:78px}}
@media(max-width:520px){.site-header .approved-logo{width:245px!important}.site-header .header-cta{display:none!important}.nav{justify-content:space-between}.mobile-menu{margin-left:auto}}
@media(max-width:360px){.site-header .approved-logo{width:min(230px,calc(100vw - 116px))!important}.foot-cols .approved-logo{width:235px!important}}
/* V3.4 responsive navigation: avoid squeezed text at tablet widths. */
@media(max-width:1000px){
 .site-header .nav{gap:12px}
 .site-header .nav-links{display:none;position:absolute;top:100%!important;left:0;right:0;background:#faf9f6;border-bottom:1px solid var(--line);padding:18px 28px;flex-direction:column;align-items:flex-start;gap:17px;margin:0;z-index:40}
 .site-header .nav-links.open{display:flex}
 .site-header .mobile-menu{display:block;margin-left:0}
 .site-header .header-cta{margin-left:auto}
}

/* V3.5 — recognizable construction-category SVG icons */
.category-card .category-icon-wrap{width:56px;height:56px;display:flex;align-items:center;justify-content:center;background:#eaf3ec;border:1px solid #d7e7df;border-radius:15px;margin-bottom:19px;transition:background .18s ease,transform .18s ease,border-color .18s ease;}
.category-card .category-icon{display:block;width:39px;height:39px;flex:none;}
.category-card:hover .category-icon-wrap,.category-card:focus-visible .category-icon-wrap{background:#e0efe5;border-color:#a6cdb9;transform:translateY(-2px);}
.category-card:focus-visible{outline:3px solid #d86643;outline-offset:3px;}
@media(max-width:760px){.category-card .category-icon-wrap{width:49px;height:49px;border-radius:13px;margin-bottom:14px;}.category-card .category-icon{width:35px;height:35px;}.category-card{padding:17px 15px;}}
@media(prefers-reduced-motion:reduce){.category-card .category-icon-wrap{transition:none;}}

/* V3.6 — Elevated construction-category cards, matched to BuildQuivo design language */
.category-grid{gap:16px}
.category-card{
 position:relative;display:flex;flex-direction:column;align-items:flex-start;
 min-height:188px;padding:20px 20px 19px;
 border:1px solid #dfe6df;border-radius:17px;
 background:linear-gradient(155deg,#fff 0%,#fff 62%,#fafcf9 100%);
 box-shadow:0 3px 15px rgba(16,45,50,.024);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background-color .2s ease;
}
.category-card .category-icon-wrap{
 width:54px;height:54px;display:grid;place-items:center;flex:none;
 border:1px solid #dceae1;border-radius:14px;
 background:#eff6f0;margin:0 0 18px;
 transition:background-color .2s ease,border-color .2s ease;
}
.category-card .category-icon{width:36px;height:36px;display:block;flex:none}
.category-card h3{font-size:17px;line-height:1.25;font-weight:750;letter-spacing:-.025em;margin:0 0 6px;color:var(--ink)}
.category-card small{display:block;width:100%;font-size:12px;font-weight:500;color:#697b73;line-height:1.5;margin-top:auto;padding-top:12px;border-top:1px solid #ecf1ec}
.category-card .category-card-arrow{position:absolute;top:24px;right:20px;font-size:17px;line-height:1;color:#779c8c;opacity:.8;transition:color .2s ease,transform .2s ease;}
.category-card:hover,.category-card:focus-visible{transform:translateY(-3px);border-color:#b5d2c2;box-shadow:0 12px 28px rgba(16,66,54,.085);color:var(--ink)}
.category-card:hover .category-icon-wrap,.category-card:focus-visible .category-icon-wrap{background:#e5f1e8;border-color:#bad7c5;transform:none}
.category-card:hover .category-card-arrow,.category-card:focus-visible .category-card-arrow{color:var(--pine);transform:translate(2px,-2px);opacity:1}
.category-card:focus-visible{outline:3px solid #d86643;outline-offset:3px}
@media(max-width:1100px){.category-grid{gap:13px}.category-card{padding:19px 17px;min-height:188px}}
@media(max-width:760px){.category-grid{gap:12px}.category-card{padding:18px;min-height:178px}.category-card .category-icon-wrap{width:50px;height:50px;margin-bottom:16px}.category-card .category-icon{width:34px;height:34px}.category-card .category-card-arrow{top:21px;right:18px}.category-card h3{font-size:16px}}
@media(max-width:420px){.category-grid{gap:10px}.category-card{padding:15px;min-height:170px;border-radius:15px}.category-card .category-icon-wrap{width:46px;height:46px;border-radius:12px;margin-bottom:15px}.category-card .category-icon{width:32px;height:32px}.category-card .category-card-arrow{top:18px;right:15px;font-size:15px}.category-card h3{font-size:15px}}
@media(prefers-reduced-motion:reduce){.category-card,.category-card .category-icon-wrap,.category-card .category-card-arrow{transition:none!important}}

/* V3.7 — restrained, technical 24px icons and compact balanced category cards */
.category-grid{gap:14px}
.category-card{min-height:156px;padding:19px 19px 17px;border-radius:16px;border-color:#dce5df;background:linear-gradient(160deg,#fff 0%,#fff 78%,#f9fbf8 100%);box-shadow:0 3px 13px rgba(16,45,50,.018)}
.category-card .category-icon-wrap{width:36px;height:36px;min-width:36px;display:grid;place-items:center;margin:0 0 14px;border-radius:10px;border:1px solid #dcece4;background:#f0f6f1;transform:none}
.category-card .category-icon{width:24px;height:24px;max-width:24px;max-height:24px;display:block}
.category-card h3{font-size:16px;line-height:1.25;font-weight:750;margin:0 0 5px;letter-spacing:-.02em}
.category-card small{font-size:11.8px;line-height:1.4;letter-spacing:0;margin-top:auto;padding-top:10px;border-top:1px solid #edf2ee}
.category-card .category-card-arrow{top:19px;right:19px;font-size:13px;color:#8eaaa0;opacity:.75}
.category-card:hover,.category-card:focus-visible{transform:translateY(-2px);border-color:#b2d2c1;box-shadow:0 9px 22px rgba(16,66,54,.07)}
.category-card:hover .category-icon-wrap,.category-card:focus-visible .category-icon-wrap{background:#e8f3eb;border-color:#c4dfce;transform:none}
@media(max-width:1100px){.category-grid{gap:12px}.category-card{min-height:154px;padding:17px 16px 15px}}
@media(max-width:760px){.category-grid{gap:12px}.category-card{min-height:148px;padding:17px 16px 15px}.category-card .category-icon-wrap{width:36px;height:36px;margin:0 0 12px;border-radius:10px}.category-card .category-icon{width:22px;height:22px;max-width:22px;max-height:22px}.category-card .category-card-arrow{top:18px;right:16px;font-size:12px}.category-card h3{font-size:15.5px}.category-card small{font-size:11.5px;padding-top:9px}}
@media(max-width:420px){.category-grid{gap:10px}.category-card{min-height:143px;padding:14px;border-radius:14px}.category-card .category-icon-wrap{width:34px;height:34px;min-width:34px;margin:0 0 10px;border-radius:9px}.category-card .category-icon{width:21px;height:21px;max-width:21px;max-height:21px}.category-card .category-card-arrow{top:16px;right:14px;font-size:11px}.category-card h3{font-size:14.8px}.category-card small{font-size:11px;padding-top:8px}}

/* V3.8 language switcher: genuine, locally translated UI preview; no country or tax auto-detection */
.language-select-wrap{display:inline-flex;align-items:center;gap:5px;background:#edf3ef;border:1px solid #d2e0d8;border-radius:10px;padding:4px 9px;flex:0 0 auto;max-width:146px}.language-globe{font-size:14px;line-height:1}.language-select-wrap select{border:0;background:transparent;color:#163b37;font:600 12px/1.2 inherit;font-family:inherit;font-weight:650;max-width:111px;min-width:80px;padding:7px 0;cursor:pointer;outline-offset:3px}.sr-only-lang{position:absolute;width:1px;height:1px;clip:rect(0,0,0,0);white-space:nowrap;overflow:hidden}.language-beta-notice{background:#eef5f0;color:#254b43;border-bottom:1px solid #cbded3;text-align:center;font-size:12px;line-height:1.6;padding:8px 24px}.language-beta-notice[hidden]{display:none!important}html[dir=rtl] .language-beta-notice{text-align:center}html[dir=rtl] input[type=number],html[dir=rtl] .input-shell input,html[dir=rtl] .result-row strong{direction:ltr;text-align:left}html[dir=rtl] .category-card,html[dir=rtl] .tool-card{text-align:start}html[dir=rtl] .brand,html[dir=rtl] .language-select-wrap{direction:ltr}html[dir=rtl] .nav-links{margin-left:0;margin-right:auto}html[dir=rtl] .category-card .category-card-arrow{left:16px;right:auto}html[dir=rtl] .breadcrumb{direction:rtl}html[dir=rtl] .foot-bottom{direction:rtl}
@media(max-width:1200px){.nav{gap:13px}.nav-links{gap:12px}.brand{font-size:21px}.header-cta{padding:10px 13px}}
@media(max-width:1080px){.nav-links{display:none;position:absolute;top:76px;right:0;left:0;background:#faf9f6;border-bottom:1px solid var(--line);padding:17px 20px;flex-direction:column;align-items:flex-start;gap:18px}.nav-links.open{display:flex}.mobile-menu{display:block}.language-select-wrap{margin-left:auto}.header-cta{margin-left:0}}
@media(max-width:760px){.nav-links{top:65px}.language-select-wrap{padding:3px 5px}.language-select-wrap select{min-width:66px;max-width:83px;font-size:11px}.language-globe{font-size:13px}.header-cta{display:none}.nav{gap:9px}.brand{font-size:19px}.language-beta-notice{padding:8px 16px;font-size:11px}}
@media(max-width:380px){.brand{max-width:150px}.language-select-wrap select{max-width:74px;min-width:62px}.language-select-wrap{gap:1px;padding:2px}.nav{gap:6px}}
@media print{.language-select-wrap,.language-beta-notice{display:none!important}}
/* Preserve the site's established LTR geometric layout while rendering Arabic/Urdu text RTL.
   Full mirrored layout requires a separate design audit, and must not break calculator inputs. */
html[dir="rtl"] body{direction:ltr}
html[dir="rtl"] .page-hero,html[dir="rtl"] .hero-in>div:first-child,
html[dir="rtl"] .section-heading,html[dir="rtl"] .section-heading>*,
html[dir="rtl"] .category-card,html[dir="rtl"] .tool-card,
html[dir="rtl"] .field label,html[dir="rtl"] .page-hero h1,
html[dir="rtl"] .page-hero p,html[dir="rtl"] .readable,
html[dir="rtl"] .panel h1,html[dir="rtl"] .panel h2,
html[dir="rtl"] .panel p,html[dir="rtl"] .breadcrumb,
html[dir="rtl"] .language-beta-notice,
html[dir="rtl"] .nav-links a{direction:rtl;text-align:right}
html[dir="rtl"] .nav-links{margin-right:0;margin-left:auto}
html[dir="rtl"] .category-card .category-card-arrow{right:16px;left:auto}
html[dir="rtl"] .site-header .nav{direction:ltr}
html[dir="rtl"] .result-row small{direction:rtl;text-align:right}
html[dir="rtl"] .result-row strong{direction:ltr;text-align:left}
/* Fit approved original wordmark plus language control at small phone widths. */
@media(max-width:760px){
 .site-header .approved-brand{max-width:175px;flex:0 1 175px;min-width:0}
 .site-header .approved-logo{width:175px!important;max-width:100%!important;height:auto!important}
 .site-header .language-select-wrap{flex-shrink:0;max-width:107px}
 .site-header .mobile-menu{flex:0 0 auto;margin-left:0}
}
@media(max-width:380px){
 .site-header .approved-brand{max-width:135px;flex-basis:135px}
 .site-header .approved-logo{width:135px!important}
 .site-header .language-select-wrap{max-width:96px}
 .site-header .language-select-wrap select{max-width:68px;min-width:57px}
 .site-header .nav{gap:5px}
}

/* V3.9: protect unrevised English technical text from RTL bidi reversal. */
html[dir="rtl"] .untranslated-technical{direction:ltr!important;text-align:left!important;unicode-bidi:isolate!important}
html[dir="rtl"] .readable p:dir(ltr),html[dir="rtl"] .readable li:dir(ltr){text-align:left!important}
html[dir="rtl"] .example-table td, html[dir="rtl"] .example-table td *{direction:ltr;unicode-bidi:isolate;text-align:center}
html[dir="rtl"] .example-table th,html[dir="rtl"] .form-grid .field label{unicode-bidi:isolate}
html[dir="rtl"] .site-header .nav-links a{direction:rtl;unicode-bidi:isolate}
html[dir="rtl"] .readable [lang="en"],html[dir="rtl"] p[lang="en"]{unicode-bidi:isolate}
/* V3.9: narrow-screen footer grid must not expand to its min-content width. */
@media(max-width:760px){.foot-cols{grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:20px!important}.foot-cols>div{min-width:0}.foot-cols a,.foot-cols p,.foot-cols h4{overflow-wrap:anywhere;word-break:normal}.footer .approved-logo{max-width:100%;height:auto}}
/* V3.9 prevent the gutter form's long translated captions widening the page. */
.tool-layout,.tool-layout>.panel,.form-grid,.form-grid>.field,.panel-intro{min-width:0}
.form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:760px){.panel-intro{flex-wrap:wrap}.panel-intro>*{min-width:0}}
@media(max-width:410px){.form-grid{grid-template-columns:minmax(0,1fr)!important}}
/* V3.9 allow translated project actions to wrap at narrow widths. */
.project-grid,.project-grid>.panel,.project-head,.project-head>div{min-width:0}
@media(max-width:760px){.project-grid{grid-template-columns:minmax(0,1fr)!important}.project-grid .btn,.project-grid .file-label{max-width:100%;min-width:0;white-space:normal!important;overflow-wrap:anywhere;text-align:center}.project-grid .form-actions{min-width:0}.project-grid .form-actions>*{max-width:100%}}

/* BuildQuivo V4.0 original category guidance */
.category-guide{padding-top:0;padding-bottom:78px}
.category-guide-head{padding:24px 0 26px;max-width:920px}
.category-guide-head h2{font-size:clamp(1.55rem,2.7vw,2.2rem);margin:12px 0}
.category-guide-head p{max-width:740px;line-height:1.7}
.category-guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.category-guide-card{border:1px solid var(--line);border-radius:16px;padding:25px 28px;background:#fff;min-width:0}
.category-guide-card h3{font-size:18px;margin:0 0 12px;color:var(--deep)}
.category-guide-card p{color:var(--muted);font-size:14px;line-height:1.8;margin:0;overflow-wrap:break-word}
html[dir="rtl"] .category-guide-head,html[dir="rtl"] .category-guide-card{direction:rtl;text-align:right}
@media(max-width:760px){.category-guide{padding-bottom:46px}.category-guide-grid{grid-template-columns:minmax(0,1fr);gap:12px}.category-guide-card{padding:21px}.category-guide-head{padding:12px 0 20px}}

/* BuildQuivo 4.1: focused calculator questions, no layout overhaul */
.tool-faq{margin-top:1.7rem;padding-top:1.1rem;border-top:1px solid rgba(16,45,50,.14)}
.tool-faq h3{font-size:1.02rem;margin:1.1rem 0 .35rem;line-height:1.4}
.tool-faq p{margin:.3rem 0 .9rem}

/* BuildQuivo 5.0 usability and assembly planner additions */
.bq-field-error{display:block;color:#a12f2f;font-size:.82rem;line-height:1.4;margin-top:.35rem;font-weight:600}
.field input[aria-invalid="true"],.field select[aria-invalid="true"]{border:2px solid #b33c32;outline-offset:2px}
.bq-sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.bq-workflow-links{margin:1.6rem auto 0;max-width:1180px;padding:1.15rem 1.4rem;border:1px solid #d6ddd3;background:#f6f8f4;border-radius:14px}
.bq-workflow-links h2{margin:.2rem 0 .5rem;font-size:1.35rem}.bq-workflow-links p{margin:.2rem 0 .75rem}
.bq-workflow-links a{display:inline-block;margin:.2rem .5rem .2rem 0}
.bq-plan-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:1.2rem;align-items:start}
.bq-plan-grid .field{margin-bottom:.85rem}.bq-plan-grid .field input,.bq-plan-grid .field select{max-width:100%}
.bq-rows{width:100%;border-collapse:collapse}.bq-rows th,.bq-rows td{border-bottom:1px solid #d7ded6;padding:.7rem .5rem;text-align:left;vertical-align:top}
.bq-rows td:nth-child(2){font-weight:750;font-variant-numeric:tabular-nums;white-space:nowrap}
.bq-narrow{max-width:880px}.bq-note{background:#f6f8f4;border-left:4px solid #577f65;padding:1rem;border-radius:3px}
.bq-error{color:#a12f2f;font-weight:650}.bq-secondary{font-size:.9rem;color:#566456}
@media(max-width:760px){.bq-plan-grid{grid-template-columns:minmax(0,1fr)}.bq-rows td:nth-child(2){white-space:normal}}

.result-panel .bq-secondary{color:#e0e9e4}.result-panel .bq-rows th,.result-panel .bq-rows td{color:#f3f7f5}.result-panel .bq-rows tr{border-color:#698076}.result-panel .bq-rows thead th{color:#d7e4dc}