/*
  Survey styles. Redesigned 2026-09-29 at Bob's request, from the original prototype
  (reference/SPARK_ABC_Construction_AI_Survey.html). SPARK palette and the single
  Mulish family (Proxima Nova when licensed). The admin page reuses the shell:
  .app, .rail, .steps, .panel, .btn, inputs.
*/
:root{
  --black:#1F2026; --charcoal:#5C5C61; --gray:#99999C; --lightgray:#D6D6D7; --lightest:#F0F0F0; --white:#FFFFFF;
  --green:#21D679; --green-ink:#0E9C54; --green-d:#1BB768; --green-l:#BCF2D6; --green-t:#EDFBF3; --green-tt:#F4FDF8;
  --blue:#2E7DF7; --blue-d:#1F66E0; --blue-l:#C0D8FC; --blue-t:#EAF1FE;
  --orange:#FF5E00; --orange-l:#FECEB2; --orange-ink:#7A2D00; --yellow:#F6C644; --yellow-l:#FCEDC6; --yellow-ink:#6A5312;
  --line:#E4E6E8; --line-soft:#EEF0F1;
  --shadow-sm:0 1px 2px rgba(31,32,38,.06);
  --shadow:0 1px 2px rgba(31,32,38,.05), 0 8px 28px rgba(31,32,38,.07);
  --rail-w:288px;
  --radius:14px;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0}
body{
  background:var(--white); color:var(--black);
  font-family:"proxima-nova","Proxima Nova","Mulish","Segoe UI",system-ui,-apple-system,Roboto,sans-serif;
  font-size:16px; line-height:1.5; -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:inherit;margin:0}
a{color:var(--blue)}
.tnum{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}

/* ---------- shell ---------- */
.topbar{height:4px;background:var(--lightest);position:fixed;top:0;left:0;right:0;z-index:20}
.topbar .fill{height:100%;background:linear-gradient(90deg,var(--blue),var(--green));width:0;transition:width .4s ease}
.app{display:grid;grid-template-columns:var(--rail-w) 1fr;min-height:100vh}
.rail{
  background:
    radial-gradient(130% 90% at 0% 0%, rgba(46,125,247,.30), transparent 55%),
    radial-gradient(130% 90% at 100% 100%, rgba(33,214,121,.22), transparent 55%),
    var(--black);
  color:#fff; padding:32px 26px 26px; position:sticky; top:0; height:100vh; overflow-y:auto;
  display:flex; flex-direction:column; gap:28px;
}
.brandlock{display:flex;align-items:center;gap:11px;flex-wrap:wrap}
.brandlock img.logo{max-height:none;width:180px;height:auto;margin:-20px 0 -16px -13px}
.brandlock .chapterlogo{display:inline-flex;align-items:center;background:#fff;border-radius:12px;padding:12px 16px;max-width:100%;box-shadow:0 6px 20px rgba(0,0,0,.25)}
.brandlock .chapterlogo img{max-height:60px;max-width:190px;width:auto;height:auto;display:block}
.brandlock .chaptername{font-weight:800;font-size:18px;line-height:1.25;color:#fff}
.rail .kicker{font-size:11.5px;letter-spacing:.13em;color:var(--green);font-weight:700;text-transform:uppercase}
.rail h1{font-size:21px;font-weight:800;line-height:1.2;margin:6px 0 0}
.progress-label{display:flex;justify-content:space-between;align-items:baseline;font-size:12.5px;color:#AEB2B8;margin-bottom:10px}
.progress-label b{color:#fff;font-weight:700}
.steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:1px}
.steps li{display:flex;align-items:center;gap:11px;padding:7px 10px;border-radius:8px;font-size:13.5px;color:#AEB2B8;transition:background .15s,color .15s}
.steps li .dot{width:16px;height:16px;border-radius:50%;border:1.5px solid #4A4B52;flex:none;display:grid;place-items:center;transition:all .2s}
.steps li.active{background:rgba(255,255,255,.08);color:#fff;font-weight:700}
.steps li.active .dot{border-color:var(--green);box-shadow:0 0 0 3px rgba(33,214,121,.22)}
.steps li.active .dot::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--green)}
.steps li.done{color:#DDE0E3}
.steps li.done .dot{background:var(--green);border-color:var(--green)}
.steps li.done .dot::after{content:"";width:6px;height:3px;border-left:2px solid var(--black);border-bottom:2px solid var(--black);transform:rotate(-45deg) translate(1px,-1px)}
.rail .foot{margin-top:auto;font-size:11.5px;color:var(--gray);line-height:1.45}
.rail .foot a{color:var(--lightgray)}

main{display:flex;flex-direction:column;min-height:100vh;min-width:0}
.stage{flex:1;display:flex;justify-content:center;padding:56px 48px 40px}
.panel{width:100%;max-width:740px}
.powered{text-align:center;font-size:12px;color:var(--gray);padding:18px 20px 22px}
.powered a{color:var(--charcoal)}

/* ---------- type ---------- */
.eyebrow{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);font-weight:800}
.display{font-size:38px;font-weight:800;letter-spacing:-.02em;line-height:1.1;margin:10px 0 14px}
.panel h2{font-size:28px;font-weight:800;margin:8px 0 6px;letter-spacing:-.015em;line-height:1.15}
.panel .sub{color:var(--charcoal);font-size:15.5px;margin:0 0 28px;max-width:62ch}
.lede{font-size:18px;color:var(--charcoal);line-height:1.55;max-width:60ch;margin:0 0 22px}
.hint{font-size:13px;color:var(--gray);margin:6px 0 0}
.loading{color:var(--charcoal);padding:40px 0}

/* ---------- buttons ---------- */
.btn{font:inherit;font-weight:700;font-size:15px;border-radius:10px;padding:13px 24px;cursor:pointer;border:1.5px solid transparent;transition:transform .08s,background .15s,box-shadow .15s,border-color .15s;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;line-height:1.2}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--green);color:var(--black)}
.btn.primary:hover{background:var(--green-d);box-shadow:var(--shadow)}
.btn.primary:disabled,.btn.primary[aria-disabled=true]{background:var(--lightgray);color:#fff;cursor:not-allowed;box-shadow:none}
.btn.secondary{background:#fff;color:var(--black);border-color:var(--lightgray)}
.btn.secondary:hover{border-color:var(--blue);color:var(--blue-d)}
.btn.ghost{background:transparent;color:var(--charcoal)}
.btn.ghost:hover{color:var(--black);background:var(--lightest)}
.btn.link{background:none;border:none;color:var(--blue);text-decoration:underline;cursor:pointer;font-size:13.5px;padding:6px;font-weight:600}
.btn.lg{padding:15px 28px;font-size:16px}
.btn .arrow{font-size:18px;line-height:1}

/* ---------- inputs ---------- */
select,input[type=text],input[type=email],textarea{
  width:100%;font:inherit;color:var(--black);background:#fff;
  border:1.5px solid var(--lightgray);border-radius:10px;padding:12px 14px;transition:border-color .14s,box-shadow .14s;
}
input::placeholder,textarea::placeholder{color:var(--gray)}
select:focus,input:focus,textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(33,214,121,.18)}
input[aria-invalid=true]{border-color:var(--orange)}
textarea{min-height:88px;resize:vertical}
.field label{display:block;font-size:13.5px;font-weight:700;margin-bottom:6px}
.fielderr{font-size:13px;color:var(--orange-ink);margin:6px 0 0}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}

/* ---------- cards ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}

/* ---------- intro ---------- */
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin:0 0 28px;padding:0}
.chips li{display:inline-block;background:var(--blue-t);color:var(--blue-d);border-radius:999px;padding:7px 14px;font-size:14px;font-weight:600}
.chips li b{font-weight:800;color:var(--blue-d)}
.start{padding:26px 28px 24px;box-shadow:var(--shadow)}
.start h2.card-title{font-size:20px;margin:0 0 4px}
.start .card-sub{color:var(--charcoal);font-size:14.5px;margin:0 0 20px}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fields .field.full{grid-column:1 / -1}
.start-foot{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;margin-top:20px;flex-wrap:wrap}
.start-foot .hint{max-width:46ch;margin:0}
.resume{margin-top:10px;font-size:13.5px;color:var(--charcoal)}

/* ---------- questions ---------- */
.section-meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.pill{display:inline-block;font-size:11.5px;font-weight:700;border-radius:999px;padding:3px 10px;background:var(--lightest);color:var(--charcoal)}
.q{padding:22px 24px;margin-bottom:16px}
.q .stem{display:flex;gap:12px;align-items:flex-start;font-size:17px;font-weight:700;margin:0 0 14px;line-height:1.4}
.q .qn{flex:none;display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--lightest);color:var(--charcoal);font-size:13px;font-weight:800;margin-top:-1px}
.q.answered .qn{background:var(--green);color:var(--black)}
.opts{display:flex;flex-direction:column;gap:8px}
.opt{
  display:flex;align-items:center;gap:13px;border:1.5px solid var(--line);
  background:#fff;border-radius:10px;padding:12px 15px;cursor:pointer;
  transition:border-color .14s,background .14s,box-shadow .14s;
}
.opt:hover{border-color:var(--green);background:var(--green-tt)}
.opt .mark{width:19px;height:19px;border-radius:50%;border:2px solid var(--lightgray);flex:none;position:relative;transition:border-color .14s}
.opt .mark::after{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--green);transform:scale(0);transition:transform .16s}
.opt .txt{font-size:15px;line-height:1.35}
.opt.sel{border-color:var(--green);background:var(--green-t);box-shadow:0 0 0 3px rgba(33,214,121,.12)}
.opt.sel .mark{border-color:var(--green)}
.opt.sel .mark::after{transform:scale(1)}
.opt.multi .mark{border-radius:5px}
.opt.multi .mark::after{border-radius:2px}

/* value chain */
.vc{padding:6px 0}
.vcrow{display:grid;grid-template-columns:1fr 1.6fr;gap:14px;align-items:center;padding:12px 22px;border-top:1px solid var(--line-soft)}
.vcrow:first-child{border-top:none}
.vcrow.head{padding-top:14px;padding-bottom:6px}
.vcrow.head span{font-size:11.5px;font-weight:800;color:var(--blue-d);text-align:center;letter-spacing:.02em}
.vcrow .area{font-size:15px;font-weight:700}
.seg{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.seg button{
  font:inherit;font-size:12.5px;font-weight:700;color:var(--charcoal);background:#fff;border:1.5px solid var(--line);
  border-radius:8px;padding:9px 4px;cursor:pointer;line-height:1.15;transition:all .13s;text-align:center;
}
.seg button:hover{border-color:var(--blue)}
.seg button.on{background:var(--blue);border-color:var(--blue);color:#fff}

/* sticky question nav */
.navbar{position:sticky;bottom:0;z-index:5;margin:22px -8px 0;padding:14px 8px;background:linear-gradient(to top,#fff 70%,rgba(255,255,255,0));display:flex;justify-content:space-between;align-items:center;gap:14px}
.navbar .count{font-size:13.5px;color:var(--charcoal)}
.navbar .right{display:flex;align-items:center;gap:16px}
.skip{text-align:center;margin-top:6px}

/* ---------- result ---------- */
.hero{
  color:#fff;border-radius:18px;padding:30px 32px 26px;margin-bottom:18px;
  background:
    radial-gradient(120% 120% at 0% 0%, rgba(46,125,247,.35), transparent 55%),
    radial-gradient(120% 120% at 100% 100%, rgba(33,214,121,.28), transparent 55%),
    var(--black);
  box-shadow:var(--shadow);
}
.hero-top{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:baseline}
.hero .eyebrow{color:var(--green)}
.hero .company{font-size:14px;color:var(--lightgray);font-weight:600}
.hero-main{display:flex;gap:22px;align-items:center;margin:18px 0 24px}
.lvl-badge{flex:none;width:92px;height:92px;border-radius:50%;background:var(--green);color:var(--black);display:grid;place-items:center;font-size:46px;font-weight:800;box-shadow:0 0 0 8px rgba(33,214,121,.18)}
.hero h1{font-size:32px;font-weight:800;letter-spacing:-.015em;line-height:1.1}
.hero p{margin:8px 0 0;color:var(--lightgray);font-size:15.5px;max-width:52ch}
.track .bar{position:relative;height:10px;border-radius:5px;background:rgba(255,255,255,.14);margin:6px 0 10px}
.track .fill{position:absolute;left:0;top:0;bottom:0;border-radius:5px;background:var(--green)}
.track .tick{position:absolute;top:-4px;bottom:-4px;width:0;border-left:1.5px solid rgba(255,255,255,.55)}
.track .mark{position:absolute;top:-6px;width:14px;height:22px;margin-left:-7px;border-radius:4px;background:var(--black);border:2.5px solid var(--green);box-sizing:border-box}
.track .names{list-style:none;display:grid;margin:0;padding:0}
.track .names li{font-size:12px;line-height:1.3;color:var(--gray);text-align:center;padding:0 2px}
.track .names li.current{color:#fff;font-weight:800}
.track .names li span{display:block;font-variant-numeric:tabular-nums;font-weight:800}
.track .names li .lbl{font-weight:inherit}
.hero .score-note{margin-top:16px;font-size:12.5px;color:var(--gray)}

.result-actions{display:flex;gap:12px;flex-wrap:wrap;margin:0 0 6px}
.savestate{font-size:13.5px;color:var(--charcoal);margin:6px 0 30px;min-height:20px}
.savestate.ok{color:var(--green-ink);font-weight:600}
.savestate.err{color:var(--orange-ink);font-weight:600}
.result h2.sec{font-size:22px;margin:34px 0 4px}
.result .sec + .sub{margin-bottom:16px}
.areas{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.area-card{padding:18px 20px}
.area-card .top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.area-card h3{font-size:15.5px;font-weight:800;line-height:1.3}
.area-card .score{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;white-space:nowrap}
.area-card .score small{font-size:13px;color:var(--gray);font-weight:700}
.area-card .bar{height:8px;background:var(--lightest);border-radius:5px;overflow:hidden;margin:10px 0 12px}
.area-card .bar i{display:block;height:100%;background:var(--green);border-radius:5px;width:0;transition:width .8s ease}
.area-card p{margin:0;font-size:14px;color:var(--charcoal);line-height:1.5}
.tag{display:inline-block;font-size:10.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;border-radius:6px;padding:2px 7px;margin-top:6px}
.tag.focus{background:var(--orange-l);color:var(--orange-ink)}
.tag.strong{background:var(--green-l);color:var(--green-ink)}
.skeleton{color:var(--gray);font-size:14px}
.moves{display:grid;grid-template-columns:1fr 1fr;gap:14px;list-style:none;padding:0;margin:0}
.move{padding:18px 20px;display:flex;gap:14px}
.move .n{flex:none;width:30px;height:30px;border-radius:50%;background:var(--green);display:grid;place-items:center;font-weight:800;font-size:14px}
.move .t{font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--blue)}
.move h3{font-size:15.5px;font-weight:800;margin:3px 0 4px;line-height:1.3}
.move p{margin:0;font-size:14px;color:var(--charcoal)}
.callout{margin-top:26px;padding:22px 24px;background:var(--green-tt);border:1px solid var(--green-l);border-left:4px solid var(--green);border-radius:var(--radius);display:flex;gap:18px;justify-content:space-between;align-items:center;flex-wrap:wrap}
.callout h3{font-size:17px;font-weight:800;margin:0 0 4px}
.callout p{margin:0;font-size:14.5px;color:var(--charcoal);max-width:52ch}
.nextup{margin-top:18px;padding:20px 24px;color:var(--charcoal);font-size:14.5px}
.nextup b{color:var(--black)}
.restart{text-align:center;margin-top:18px}

/* ---------- status banner ---------- */
.setup{background:var(--yellow-l);border:1.5px solid var(--yellow);border-radius:10px;padding:12px 16px;font-size:13.5px;color:var(--yellow-ink);margin:20px 48px 0}
.setup b{color:var(--black)}
.setup.err{background:var(--orange-l);border-color:var(--orange);color:var(--orange-ink)}

/* ---------- small screens ---------- */
@media (max-width:900px){
  :root{--rail-w:1fr}
  .app{grid-template-columns:1fr}
  .rail{position:static;height:auto;padding:16px 18px 14px;gap:12px;flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:space-between}
  .rail .titleblock,.rail .foot,.steps{display:none}
  .brandlock .chapterlogo{padding:8px 12px}
  .brandlock .chapterlogo img{max-height:40px;max-width:150px}
  .brandlock img.logo{width:150px;margin:-16px 0 -12px -11px}
  .progressblock{flex:1 1 140px;text-align:right}
  .progress-label{justify-content:flex-end;gap:8px;margin:0;font-size:12.5px}
  .stage{padding:28px 18px 24px}
  .display{font-size:30px}
  .panel h2{font-size:24px}
  .fields,.areas,.moves{grid-template-columns:1fr}
  .start{padding:20px 18px}
  .q{padding:18px 16px}
  .vcrow{grid-template-columns:1fr;gap:8px;padding:14px 16px}
  .vcrow.head{display:none}
  .hero{padding:24px 20px 20px}
  .hero-main{flex-direction:column;align-items:flex-start;gap:14px}
  .lvl-badge{width:72px;height:72px;font-size:36px}
  .hero h1{font-size:26px}
  .track .names li{font-size:10.5px}
  .setup{margin:14px 18px 0}
}
@media (max-width:900px){ .track .names li .lbl{display:none} .result-actions .btn{flex:1 1 100%} .callout .btn{width:100%} }
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.savestate + .callout{margin-top:4px}
.teamcall{margin-top:22px;flex-direction:column;align-items:flex-start}
.teamcall > div{width:100%}
.teamcall p{max-width:none}
/* "I don't know": set apart from the scale so it never reads as its lowest rung */
.opt.dk{margin-top:6px;border-style:dashed;background:#fff}
.opt.dk .txt{color:var(--charcoal);font-style:italic}
.opt.dk.sel{border-style:solid;border-color:var(--charcoal);background:var(--lightest);box-shadow:none}
.opt.dk.sel .mark{border-color:var(--charcoal)}
.opt.dk.sel .mark::after{background:var(--charcoal)}
.pill.scored{background:var(--green-l);color:var(--green-ink)}
.section-meta{gap:8px}
.basis{font-size:12.5px;color:var(--gray);margin:-6px 0 10px!important}
.lastresult{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:16px 20px;margin:0 0 22px;border-left:4px solid var(--blue);font-size:14.5px}
.group-head{margin:26px 0 12px}
.group-head h3{font-size:17px;font-weight:800;margin:0 0 2px}
.group-head p{margin:0;font-size:14px;color:var(--charcoal)}
/* association membership (open links) */
.optin{display:flex;gap:10px;align-items:flex-start;margin-top:14px;font-size:14px;color:var(--charcoal);cursor:pointer}
.optin input{width:auto;margin-top:3px}
/* all-firm comparison on the result page */
.compare{padding:20px 24px;margin:0 0 4px}
.compare h3{font-size:17px;font-weight:800;margin:0 0 12px}
.compare.muted-card p{margin:0;color:var(--charcoal);font-size:14.5px}
.compare.muted-card h3{margin-bottom:4px}
.cmp-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.cmp-n{font-size:26px;font-weight:800;color:var(--blue-d);line-height:1.1;font-variant-numeric:tabular-nums}
.cmp-l{font-size:13px;color:var(--charcoal)}
.area-card .bar{position:relative;overflow:visible}
.area-card .bar .avgmark{position:absolute;top:-4px;width:3px;height:16px;border-radius:2px;background:var(--blue);transform:translateX(-1px)}
/* open-link explainer */
.about{padding:24px 26px;margin-top:22px}
.about h2{font-size:20px;font-weight:800;margin:0 0 14px}
.about h3{font-size:15px;font-weight:800;margin:0 0 4px}
.about p{margin:0;font-size:14.5px;color:var(--charcoal);line-height:1.55}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media (max-width:900px){ .about-grid{grid-template-columns:1fr} .about{padding:20px 18px} }