:root{
  --ink:#16243B;          /* structural navy — brand */
  --ink-2:#1F3252;
  --steel:#4A6FA5;        /* hot-rolled blue */
  --paper:#F4F6F9;        /* drawing-sheet gray */
  --line:#D7DEE8;
  --safety:#F25C05;       /* safety orange — signature accent only */
  --text:#1A1F29;
  --muted:#5C6675;
  --ok:#1E7F4F;
  --white:#FFFFFF;
  --radius:6px;
  --disp:'Barlow Condensed','Arial Narrow',sans-serif;
  --body:'Barlow',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--text);background:var(--paper);line-height:1.5}
body.has-loadbar{padding-bottom:64px}
img{max-width:100%}
a{color:var(--steel)}
h1,h2,h3{font-family:var(--disp);color:var(--ink);line-height:1.05;letter-spacing:.01em;text-transform:uppercase}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.mono{font-family:var(--mono)}
.hidden{display:none !important}

/* ---------- nav ---------- */
.nav{background:var(--ink);color:#fff;position:sticky;top:0;z-index:50;border-bottom:3px solid var(--safety)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:56px}
.logo{font-family:var(--disp);font-weight:700;font-size:24px;text-transform:uppercase;color:#fff;text-decoration:none;letter-spacing:.03em}
.logo span{color:var(--safety)}
.nav-links{display:flex;gap:22px;align-items:center}
.nav-links a{color:#C9D4E4;text-decoration:none;font-size:15px;font-weight:500}
.nav-links a:hover,.nav-links a:focus-visible{color:#fff}
.nav-cta{background:var(--safety);color:#fff !important;padding:8px 16px;border-radius:var(--radius);font-weight:600}
.nav-user{display:flex;gap:12px;align-items:center;font-size:13px;color:#C9D4E4}
.nav-user .mono{font-size:12px}
@media(max-width:640px){.nav-links a:not(.nav-cta){display:none}}

/* ---------- hero ---------- */
.hero{background:var(--ink);color:#fff;padding:64px 0 56px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:
 repeating-linear-gradient(90deg,transparent 0 119px,rgba(255,255,255,.045) 119px 120px),
 repeating-linear-gradient(0deg,transparent 0 119px,rgba(255,255,255,.045) 119px 120px);pointer-events:none}
.hero-in{position:relative;z-index:1;max-width:760px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--safety);margin-bottom:14px}
.hero h1{font-size:clamp(40px,7vw,66px);color:#fff;margin-bottom:16px}
.hero h1 em{font-style:normal;color:var(--safety)}
.hero p{font-size:18px;color:#C9D4E4;max-width:560px;margin-bottom:26px}
.btn{display:inline-block;font-family:var(--body);font-weight:600;font-size:16px;padding:13px 24px;border-radius:var(--radius);text-decoration:none;border:0;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--safety);color:#fff}
.btn-primary:hover{box-shadow:0 4px 14px rgba(242,92,5,.4)}
.btn-ghost{background:transparent;color:#fff;border:1px solid #47597A;margin-left:10px}
.btn-ghost:hover{border-color:#8FA3C4}
.btn-block{display:block;width:100%;text-align:center}
.btn-sm{font-size:13px;padding:7px 12px}
.hero-proof{margin-top:30px;display:flex;gap:26px;flex-wrap:wrap}
.proof{border-left:2px solid var(--safety);padding-left:12px}
.proof b{font-family:var(--mono);font-size:20px;color:#fff;display:block}
.proof span{font-size:13px;color:#8FA3C4}

/* ---------- sections ---------- */
.section{padding:56px 0}
.section-head{margin-bottom:26px}
.section-head h2{font-size:clamp(28px,4vw,40px)}
.section-head p{color:var(--muted);max-width:600px;margin-top:6px}

/* ---------- compare strip ---------- */
.compare{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.compare-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.compare-cell{padding:20px;border-right:1px solid var(--line);background:#fff}
.compare-cell:last-child{border-right:0;background:var(--ink);color:#fff}
.compare-cell h3{font-size:19px;margin-bottom:4px}
.compare-cell:last-child h3{color:#fff}
.compare-cell .price{font-family:var(--mono);font-size:24px;font-weight:600;color:var(--text)}
.compare-cell:last-child .price{color:var(--safety)}
.compare-cell p{font-size:13.5px;color:var(--muted);margin-top:6px}
.compare-cell:last-child p{color:#C9D4E4}
@media(max-width:760px){.compare-cell{border-right:0;border-bottom:1px solid var(--line)}}

/* ---------- estimator app ---------- */
.app-shell{background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 2px 10px rgba(22,36,59,.06);overflow:hidden}
.app-bar{background:var(--ink);color:#fff;padding:12px 18px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.app-bar h3{color:#fff;font-size:20px}
.app-bar .tag{font-family:var(--mono);font-size:11px;background:rgba(242,92,5,.18);color:var(--safety);border:1px solid var(--safety);padding:3px 8px;border-radius:3px;letter-spacing:.08em}
.app-body{display:grid;grid-template-columns:1fr 320px;gap:0}
@media(max-width:900px){.app-body{grid-template-columns:1fr}}
.app-main{padding:20px;border-right:1px solid var(--line)}
@media(max-width:900px){.app-main{border-right:0;border-bottom:1px solid var(--line)}}
.app-side{padding:20px;background:#FAFBFD}

.field-row{display:grid;grid-template-columns:repeat(12,1fr);gap:10px;margin-bottom:12px}
.field{display:flex;flex-direction:column;gap:4px}
.field label{font-size:11.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.field input,.field select{font-family:var(--mono);font-size:14px;padding:9px 10px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;color:var(--text);width:100%}
.field input:focus-visible,.field select:focus-visible,.btn:focus-visible,button:focus-visible{outline:2px solid var(--safety);outline-offset:1px}
.c3{grid-column:span 3}.c2{grid-column:span 2}.c4{grid-column:span 4}.c6{grid-column:span 6}.c12{grid-column:span 12}
@media(max-width:640px){.c3,.c2,.c4{grid-column:span 6}.c6{grid-column:span 12}}

.add-btn{background:var(--ink);color:#fff;font-weight:600;padding:10px 18px;border-radius:var(--radius);border:0;cursor:pointer;font-size:15px}
.add-btn:hover{background:#1E3252}

.to-table{width:100%;border-collapse:collapse;margin-top:16px;font-size:14px}
.to-table th{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);text-align:left;padding:8px 6px;border-bottom:2px solid var(--ink)}
.to-table td{padding:9px 6px;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:13.5px}
.to-table td.desig{font-weight:600;color:var(--ink)}
.to-table .num{text-align:right}
.to-table th.num{text-align:right}
.del{background:none;border:0;color:#B34141;cursor:pointer;font-size:16px;line-height:1;padding:2px 6px}
.empty-note{padding:26px 10px;text-align:center;color:var(--muted);font-size:14px;border:1px dashed var(--line);border-radius:var(--radius);margin-top:16px}

.rates h4,.totals h4{font-family:var(--disp);font-size:17px;text-transform:uppercase;color:var(--ink);margin-bottom:10px;letter-spacing:.04em}
.rate-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;gap:10px}
.rate-row label{font-size:13px;color:var(--muted);flex:1}
.rate-row input,.rate-row select{font-family:var(--mono);font-size:13px;padding:6px 8px;border:1px solid var(--line);border-radius:4px;width:100px;text-align:right;background:#fff}
.totals{margin-top:22px;border-top:2px solid var(--ink);padding-top:14px}
.t-row{display:flex;justify-content:space-between;font-size:13.5px;padding:3px 0;color:var(--text)}
.t-row span:last-child{font-family:var(--mono)}
.t-row.grand{font-size:17px;font-weight:600;color:var(--ink);border-top:1px solid var(--line);margin-top:8px;padding-top:10px}
.t-row.grand span:last-child{color:var(--safety);font-weight:600}
.side-actions{display:flex;flex-direction:column;gap:8px;margin-top:18px}
.side-actions .btn{text-align:center;font-size:14px;padding:10px}
.btn-line{background:#fff;border:1px solid var(--ink);color:var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff}

/* ---------- app auth & project bar ---------- */
.auth-wrap{max-width:440px;margin:56px auto 40px;padding:0 20px}
.auth-card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:28px;box-shadow:0 2px 10px rgba(22,36,59,.06)}
.auth-card h2{font-size:26px;margin-bottom:6px}
.auth-card p{font-size:14px;color:var(--muted);margin-bottom:16px}
.auth-card .field{margin-bottom:12px}
.auth-or{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px;margin:14px 0;text-transform:uppercase;letter-spacing:.08em}
.auth-or::before,.auth-or::after{content:"";flex:1;height:1px;background:var(--line)}
.status-line{font-family:var(--mono);font-size:12.5px;color:var(--muted);margin-top:10px;min-height:18px}
.projbar{display:flex;gap:10px;align-items:end;flex-wrap:wrap;margin-bottom:14px}
.projbar .field{flex:1;min-width:180px}

/* ---------- signature: load bar ---------- */
.loadbar{position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--ink);color:#fff;border-top:3px solid var(--safety);box-shadow:0 -4px 16px rgba(22,36,59,.3)}
.loadbar-in{max-width:1080px;margin:0 auto;padding:9px 20px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.lb-flange{width:26px;height:26px;flex:0 0 auto;background:
 linear-gradient(var(--safety),var(--safety)) top/100% 5px no-repeat,
 linear-gradient(var(--safety),var(--safety)) bottom/100% 5px no-repeat,
 linear-gradient(var(--safety),var(--safety)) center/5px 100% no-repeat}
.lb-stat{font-family:var(--mono);font-size:14px}
.lb-stat b{font-size:17px;color:var(--safety)}
.lb-stat span{color:#8FA3C4;font-size:11px;text-transform:uppercase;letter-spacing:.08em;display:block}
.lb-spacer{flex:1}
.lb-btn{background:var(--safety);border:0;color:#fff;font-weight:600;font-size:13.5px;padding:8px 14px;border-radius:4px;cursor:pointer;font-family:var(--body)}
@media(max-width:640px){.lb-spacer{display:none}.loadbar-in{gap:12px;justify-content:space-between}}

/* ---------- AI takeoff panel ---------- */
.ai-panel{background:#fff;border:1px solid var(--line);border-left:4px solid var(--safety);border-radius:8px;padding:18px 20px;margin-bottom:16px}
.ai-panel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px}
.ai-panel-head h4{font-family:var(--disp);font-size:19px;text-transform:uppercase;color:var(--ink);letter-spacing:.03em}
.ai-panel-head p{font-size:13.5px;color:var(--muted);margin-top:4px;max-width:560px}
.ai-quota{font-family:var(--mono);font-size:11px;color:var(--muted);white-space:nowrap;border:1px solid var(--line);border-radius:999px;padding:4px 10px}
.ai-panel-body{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:14px}
.ai-filename{font-family:var(--mono);font-size:13px;color:var(--muted);flex:1;min-width:120px}
.ai-notes{margin-top:12px;background:#FFF7EF;border:1px solid #F2C49B;border-radius:var(--radius);padding:10px 14px;font-size:13px;color:#5A4632;font-family:var(--mono);line-height:1.5}
.ai-notes h5{font-family:var(--disp);font-size:13px;text-transform:uppercase;color:var(--ink);margin-bottom:4px}
.to-table tr.ai-line td.desig{color:var(--ink)}
.conf-chip{display:inline-block;font-family:var(--mono);font-size:10.5px;font-weight:600;padding:2px 7px;border-radius:999px;letter-spacing:.04em}
.conf-chip.ok{background:rgba(30,127,79,.12);color:var(--ok)}
.conf-chip.low{background:rgba(242,92,5,.14);color:var(--safety);border:1px solid var(--safety)}
.conf-chip.verified{background:var(--ink);color:#fff}
.ref-cell{font-size:12px;color:var(--muted);display:flex;gap:8px;align-items:center;flex-wrap:wrap}

/* ---------- pricing ---------- */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.plan{background:#fff;border:1px solid var(--line);border-radius:8px;padding:26px;display:flex;flex-direction:column}
.plan.feat{border:2px solid var(--safety);position:relative}
.plan.feat::before{content:"MOST POPULAR";position:absolute;top:-11px;left:20px;background:var(--safety);color:#fff;font-family:var(--mono);font-size:10px;letter-spacing:.12em;padding:3px 9px;border-radius:3px}
.plan h3{font-size:22px}
.plan .p-price{font-family:var(--mono);font-size:34px;font-weight:600;color:var(--ink);margin:10px 0 2px}
.plan .p-price small{font-size:14px;color:var(--muted);font-weight:400}
.plan .p-sub{font-size:13px;color:var(--muted);margin-bottom:16px}
.plan ul{list-style:none;margin-bottom:22px;flex:1}
.plan li{font-size:14px;padding:5px 0 5px 22px;position:relative;color:var(--text)}
.plan li::before{content:"";position:absolute;left:0;top:11px;width:12px;height:5px;border-left:2px solid var(--ok);border-bottom:2px solid var(--ok);transform:rotate(-45deg)}
.plan .btn{text-align:center}

/* ---------- disclosure ---------- */
.disclosure{display:flex;gap:12px;align-items:flex-start;background:#FFF7EF;border:1px solid #F2C49B;border-left:4px solid var(--safety);border-radius:var(--radius);padding:14px 16px;margin:18px 0;font-size:14px;color:#5A4632}
.disclosure b{color:var(--ink)}
.disclosure .d-icon{flex:0 0 auto;width:20px;height:20px;border:2px solid var(--safety);border-radius:50%;color:var(--safety);font-family:var(--mono);font-weight:600;font-size:13px;line-height:17px;text-align:center}

/* ---------- footer ---------- */
.footer{background:var(--ink);color:#8FA3C4;padding:34px 0;margin-top:20px;font-size:13.5px}
.footer .logo{font-size:20px}
.footer-in{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}

/* ---------- print sheet ---------- */
#printSheet{display:none}
@media print{
  body>*{display:none !important}
  body{background:#fff;padding:0}
  #printSheet{display:block !important;font-family:var(--body);color:#111}
  .ps-head{background:var(--ink);color:#fff;padding:22px 28px;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .ps-head h1{color:#fff;font-size:26px;margin:0}
  .ps-head p{color:#C9D4E4;font-size:12px;margin-top:2px}
  .ps-body{padding:24px 28px}
  .ps-meta{display:flex;gap:40px;margin-bottom:18px;font-size:13px}
  .ps-meta b{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:#555}
  .ps-fee{border:2px solid var(--ink);border-left:8px solid var(--safety);padding:14px 18px;margin:16px 0;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .ps-fee .amt{font-family:var(--mono);font-size:24px;font-weight:600;color:var(--ink)}
  table.ps-t{width:100%;border-collapse:collapse;font-size:12px;margin:14px 0}
  table.ps-t th{border-bottom:2px solid #111;text-align:left;padding:6px 4px;font-size:10.5px;text-transform:uppercase;letter-spacing:.05em}
  table.ps-t td{border-bottom:1px solid #ccc;padding:6px 4px;font-family:var(--mono)}
  table.ps-t .num{text-align:right}
  .ps-terms{font-size:11px;color:#444;margin-top:18px;line-height:1.6}
  .ps-terms h4{font-size:12px;text-transform:uppercase;margin-bottom:4px;color:#111}
}