/* STR Controller · ST_1.17_DarkChrome · base.css
   Layout only. Every colour lives in theme-working-paper.css.
   Swap the scheme by replacing that one file. */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Archivo,system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--paper);color:var(--ink);font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased}
::selection{background:var(--selection)}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:3px}
.band :focus-visible,.contact-left :focus-visible{outline-color:var(--focus-on-field,var(--focus))}
a{color:inherit}
img{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 22px}
.skip{position:absolute;left:-9999px;top:0;background:var(--brand);color:var(--brand-ink);padding:10px 16px;z-index:99}
.skip:focus{left:0}

/* ---------- chrome ---------- */
.topbar{background:var(--chrome-bar,var(--chrome,transparent));border-bottom:1px solid var(--chrome-line,var(--rule));font-size:12.5px;color:var(--chrome-muted,var(--muted))}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;padding:9px 22px;flex-wrap:wrap}
.topbar a{text-decoration:none}
.topbar a:hover{color:var(--chrome-ink,var(--ink))}
.nav{position:sticky;top:0;z-index:40;background:var(--chrome,var(--sheet));border-bottom:1px solid var(--chrome-line,var(--rule))}
.nav .wrap{display:flex;align-items:center;gap:20px;height:80px;position:relative}
.brand{display:flex;align-items:center;text-decoration:none}
/* nav carries the full lockup, descriptor included */
.brand img{display:block;height:44px;width:auto}
/* the swapped lockups: the nav follows the chrome surface, the letterhead follows the sheet */
.brand img.logo-light,.lh-mark.logo-light{display:none}
[data-chrome="dark"] .brand img.logo-dark{display:none}
[data-chrome="dark"] .brand img.logo-light{display:block}
[data-theme="dark"]:not([data-chrome]) .brand img.logo-dark{display:none}
[data-theme="dark"]:not([data-chrome]) .brand img.logo-light{display:block}
[data-theme="dark"] .lh-mark.logo-dark{display:none}
[data-theme="dark"] .lh-mark.logo-light{display:block}
.links{display:flex;gap:20px;margin-left:auto;font-size:13.5px;color:var(--chrome-muted,var(--muted))}
.links a{text-decoration:none}
.links a:hover{color:var(--chrome-ink,var(--ink))}
.links a[aria-current="page"]{color:var(--chrome-ink,var(--ink))}
.links .btn{display:none}
.navtools{display:flex;align-items:center;gap:10px}
.themebtn,.menubtn{width:38px;height:38px;border-radius:3px;border:1px solid var(--chrome-line,var(--rule));background:var(--chrome-btn,var(--sheet));color:var(--chrome-muted,var(--muted));display:grid;place-items:center;cursor:pointer}
.themebtn:hover,.menubtn:hover{color:var(--chrome-ink,var(--ink));border-color:var(--chrome-ink,var(--ink))}
.menubtn{display:none}
.menubtn svg{width:18px;height:18px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:3px;padding:12px 22px;font-size:14px;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit}
.btn.btn-p{background:var(--brand);color:var(--brand-ink)}
.btn.btn-p:hover{background:var(--brand-hover)}
.btn.btn-g{border-color:var(--rule);background:var(--sheet);color:var(--ink)}
.btn.btn-g:hover{border-color:var(--ink)}
.btn.btn-onfield{background:var(--brass);color:var(--brass-ink)}
.btn.btn-onfield:hover{background:var(--brass-hover)}
/* on a dark chrome the ink button would vanish; it takes the gold instead */
[data-chrome="dark"] .nav .btn.btn-p{background:var(--chrome-cta,var(--brass));color:var(--chrome-cta-ink,var(--brass-ink))}
[data-chrome="dark"] .nav .btn.btn-p:hover{background:var(--chrome-cta-hover,var(--brass-hover))}
.btn-sm{padding:9px 16px;font-size:13.5px}
.link-quiet{font-size:14px;font-weight:600;text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--rule)}
.link-quiet:hover{text-decoration-color:var(--ink)}

/* ---------- hero as a statement sheet ---------- */
.hero{padding:40px 0 0}
.sheet{background:var(--sheet);border:1px solid var(--rule);box-shadow:0 24px 60px var(--shadow);padding:0 40px}
.sheet>*:last-child{padding-bottom:32px}
/* letterhead: document title over a monochrome mark, provenance note to the right */
.letterhead{display:flex;justify-content:space-between;align-items:flex-start;gap:28px;flex-wrap:wrap;padding:22px 0 16px;border-bottom:2px solid var(--ink)}
.lh-left{display:grid;gap:14px}
.lh-title{font-family:"Source Serif 4",Georgia,serif;font-size:16.5px;font-weight:600;letter-spacing:-.01em}
.lh-mark{display:block;height:16px;width:auto}
.lh-note{text-align:right;font-size:12.5px;color:var(--annotation,var(--muted));max-width:40ch}
.hero-body{padding:30px 0 28px;border-bottom:1px solid var(--rule)}
h1{font-family:"Source Serif 4",Georgia,serif;font-weight:600;font-size:clamp(31px,4.4vw,46px);letter-spacing:-.015em;line-height:1.07;margin-top:12px;max-width:23ch}
.kicker{font-size:13px;color:var(--annotation,var(--muted))}
.lede{color:var(--muted);max-width:64ch;margin-top:16px}
.lede strong{color:var(--ink);font-weight:600}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:24px}
.chiprow{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.chip{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--rule);border-radius:3px;padding:7px 11px;font-size:12.5px;color:var(--muted)}
.chip svg{flex:none;color:var(--ink)}

/* ---------- statement specimen ---------- */
.spec{padding:6px 0 28px}
.spec-head{display:grid;grid-template-columns:26px 1fr 132px;gap:16px;padding:0 0 10px;border-bottom:1px solid var(--ink);font-size:11.5px;color:var(--muted)}
.spec-head span:last-child{text-align:right}
.spec-row{display:grid;grid-template-columns:26px 1fr 132px;gap:16px;padding:15px 0;align-items:start;border-bottom:1px solid var(--rule)}
.spec-row--last{border-bottom:0}
.mark{margin-top:4px;color:var(--muted)}
.mark-flag{color:var(--variance)}
.mark-ok{color:var(--traced)}
.ref{display:block;font-family:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11.5px;letter-spacing:.01em;color:var(--annotation,var(--muted))}
.spec-text b{display:block;font-family:"Source Serif 4",Georgia,serif;font-size:17px;font-weight:600;letter-spacing:-.01em;margin-top:3px}
.spec-text p{font-size:13.5px;color:var(--muted);margin-top:6px;max-width:58ch}
.spec-status{display:grid;gap:3px;justify-items:end;text-align:right}
.spec-status .s-label{font-size:11.5px;color:var(--muted)}
.spec-status b{font-family:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;font-weight:500;font-variant-numeric:tabular-nums}
.is-variance .spec-status b{color:var(--variance)}
.is-traced .spec-status b{color:var(--traced)}
.spec-total{display:flex;justify-content:space-between;gap:12px;padding-top:14px;border-top:3px double var(--ink);font-size:14px;flex-wrap:wrap}
.spec-total b{font-family:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;font-weight:500;font-variant-numeric:tabular-nums}
.spec-total .is-neg{color:var(--variance)}
.spec-total+.spec-total{border-top:1px solid var(--rule);padding-top:12px;margin-top:12px}
.spec-note{font-size:12.5px;color:var(--muted);margin-top:18px}
.sheet-foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;border-top:1px solid var(--rule);margin-top:22px;padding-top:12px;font-size:11.5px;color:var(--muted)}

/* ---------- sections ---------- */
.block{padding:56px 0 0}
.sec-head{max-width:80ch}
.sec-head h2{font-family:"Source Serif 4",Georgia,serif;font-weight:600;font-size:clamp(24px,3vw,32px);letter-spacing:-.015em;line-height:1.14}
.sec-head p{color:var(--muted);font-size:14.5px;max-width:70ch;margin-top:10px}
.sec-head a{color:var(--ink)}

.rows{border-top:1px solid var(--rule);margin-top:24px}
.row{display:grid;grid-template-columns:184px 1fr;gap:28px;padding:24px 0;border-bottom:1px solid var(--rule)}
.row-note{font-size:12.5px;font-weight:600;color:var(--annotation,var(--muted));padding-top:4px}
.row h3{font-family:"Source Serif 4",Georgia,serif;font-size:19px;font-weight:600;letter-spacing:-.01em}
.row p{font-size:14px;color:var(--muted);margin-top:8px;max-width:66ch}
.row .where{font-size:13px;color:var(--muted);margin-top:10px}
.row .where a{color:var(--ink)}

.steps{display:grid;grid-template-columns:repeat(3,1fr);margin-top:24px;border-top:1px solid var(--rule)}
.step{padding:24px 26px 26px 0;border-bottom:1px solid var(--rule)}
.step+.step{border-left:1px solid var(--rule);padding-left:26px}
.step-num{font-size:12.5px;font-weight:600;color:var(--annotation,var(--muted))}
.step h3{font-family:"Source Serif 4",Georgia,serif;font-size:17px;font-weight:600;margin-top:10px;letter-spacing:-.01em}
.step p{font-size:14px;color:var(--muted);margin-top:8px}
.step a{color:var(--ink)}

.split{display:grid;grid-template-columns:1fr 1fr;margin-top:24px;border-top:1px solid var(--rule)}
.split>div{padding:26px 30px 28px 0;border-bottom:1px solid var(--rule)}
.split>div+div{border-left:1px solid var(--rule);padding-left:30px;padding-right:0}
.split h3{font-family:"Source Serif 4",Georgia,serif;font-size:21px;font-weight:600;letter-spacing:-.01em}
.split p{font-size:14.5px;color:var(--muted);margin-top:10px;max-width:56ch}
.split p+p{margin-top:10px}
.split p b{color:var(--ink);font-weight:600}
.cred{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.cred span{border:1px solid var(--rule);color:var(--muted);padding:6px 12px;font-size:12.5px}

.quotes{display:grid;grid-template-columns:repeat(3,1fr);margin-top:24px;border-top:1px solid var(--rule)}
.quotes blockquote{padding:24px 26px 26px 0;border-bottom:1px solid var(--rule)}
.quotes blockquote+blockquote{border-left:1px solid var(--rule);padding-left:26px}
.quotes p{font-family:"Source Serif 4",Georgia,serif;font-size:17px;line-height:1.5}
.quotes cite{display:block;font-style:normal;font-size:12.5px;color:var(--muted);margin-top:12px}

/* ---------- bands ---------- */
.band{background:var(--field);color:var(--field-ink);padding:42px 40px}
.band h2{font-family:"Source Serif 4",Georgia,serif;font-weight:600;font-size:clamp(24px,2.9vw,31px);letter-spacing:-.015em;line-height:1.14;max-width:34ch}
.band p{color:var(--field-muted);font-size:14.5px;margin-top:14px;max-width:68ch}
.band a{color:var(--field-ink)}
.check{list-style:none;display:grid;gap:10px;margin-top:20px;font-size:14.5px;color:var(--field-muted)}
.check li{display:flex;gap:10px}
.check svg{flex:none;margin-top:4px;color:var(--field-traced)}

.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.chips span{border:1px solid var(--field-line);padding:8px 14px;font-size:13.5px}

/* ---------- offer panel (light, brass rule on top) ---------- */
.offer{margin-top:24px;border:1px solid var(--rule);border-top:3px solid var(--brass);padding:32px 36px}
.offer h2{font-family:"Source Serif 4",Georgia,serif;font-weight:600;font-size:clamp(23px,2.8vw,30px);letter-spacing:-.015em;line-height:1.14;max-width:32ch}
.offer p{color:var(--muted);font-size:14.5px;margin-top:12px;max-width:70ch}
.ticks{list-style:none;display:grid;gap:10px;margin-top:18px;font-size:14.5px;color:var(--muted)}
.ticks li{display:flex;gap:10px}
.ticks svg{flex:none;margin-top:4px;color:var(--traced)}
.ticks b{color:var(--ink);font-weight:600}

/* ---------- contact ---------- */
.contact{margin-top:24px;border:1px solid var(--rule)}
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr}
.contact-grid>div{min-width:0}
#recaptcha-wrap{max-width:100%;overflow-x:auto}
.contact-left{background:var(--field);color:var(--field-ink);padding:34px}
.contact-left h2{font-family:"Source Serif 4",Georgia,serif;font-weight:600;font-size:clamp(23px,2.6vw,29px);letter-spacing:-.015em;line-height:1.16;max-width:26ch}
.contact-left p{color:var(--field-muted);font-size:14px;margin-top:14px;max-width:48ch}
.contact-lines{margin-top:20px;display:grid;gap:8px;font-size:13.5px;color:var(--field-muted)}
.contact-lines a{color:var(--field-ink)}
.contact-lines .sig{color:var(--field-ink);font-family:"Source Serif 4",Georgia,serif;font-size:15px;font-weight:600;letter-spacing:-.01em}
.contact-right{padding:34px}
.form{display:grid;gap:16px}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--muted)}
.field input,.field textarea{width:100%;margin-top:6px;border:1px solid var(--rule);background:var(--sheet);color:var(--ink);border-radius:3px;padding:11px 12px;font-size:14px;font-family:inherit}
.field textarea{min-height:104px;resize:vertical}
.hint{font-size:12.5px;color:var(--muted);margin-top:6px}
.hp{position:absolute;left:-5000px;top:auto;width:1px;height:1px;overflow:hidden}
.form-status--ok{color:var(--traced)}
.form-status--err{color:var(--err)}
.field--error input,.field--error textarea{border-color:var(--err)}
.field-error{font-size:12.5px;color:var(--err);margin-top:4px}

/* ---------- footer ---------- */
footer{background:var(--chrome-bar,var(--chrome,transparent));margin-top:64px;border-top:1px solid var(--chrome-line,var(--rule));padding:26px 0 44px;font-size:12.5px;color:var(--chrome-muted,var(--muted))}
footer .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
footer a{color:inherit}

/* ---------- thank you ---------- */
.ty{max-width:720px;margin:0 auto;padding:72px 22px}
.ty-inner{border:1px solid var(--rule);border-top:3px solid var(--brass);padding:44px 40px;text-align:center}
.ty-tick{display:block;width:44px;height:44px;margin:0 auto 18px;color:var(--traced)}
.ty h1{font-family:"Source Serif 4",Georgia,serif;font-size:clamp(24px,3vw,31px);letter-spacing:-.015em;line-height:1.14;margin:0;max-width:none}
.ty p{color:var(--muted);margin-top:14px}
.ty .hint{margin-top:22px}
.ty-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:24px}

/* ---------- responsive ---------- */
@media(max-width:1000px){
  .links{position:absolute;top:100%;left:0;right:0;margin-left:0;display:none;flex-direction:column;gap:14px;padding:18px 22px;background:var(--chrome,var(--sheet));border-bottom:1px solid var(--chrome-line,var(--rule));font-size:15px}
  .links.open{display:flex}
  .links .btn{display:inline-flex;align-self:flex-start}
  .menubtn{display:grid}
  .nav .wrap{height:66px}
  .brand img{height:38px}
}
@media(max-width:940px){
  .split,.quotes,.contact-grid{grid-template-columns:1fr}
  .split>div+div,.quotes blockquote+blockquote{border-left:0;padding-left:0}
  .steps{grid-template-columns:1fr}
  .step+.step{border-left:0;padding-left:0}
}
@media(max-width:700px){
  .sheet{padding:0 22px}
  .nav>.wrap>.btn{display:none}
  .nav .wrap{gap:14px;padding:0 16px}
  .brand img{height:34px}
  .lh-note{text-align:left}
  .spec-head{display:none}
  .row{grid-template-columns:1fr;gap:6px}
  .spec-row{grid-template-columns:22px 1fr;gap:12px}
  .spec-status{grid-column:2;justify-items:start;text-align:left}
  .f2{grid-template-columns:1fr}
  .band{padding:32px 22px}
  .contact-left,.contact-right{padding:26px 22px}
  .field input,.field textarea{font-size:16px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
}

/* ---------- print: the sheet as a real statement ---------- */
@media print{
  .topbar,.nav,.skip,.cta-row,.chiprow,footer{display:none}
  body{background:#fff;color:#000;font-size:11.5pt}
  .hero{padding:0}
  .sheet{border:0;box-shadow:none;padding:0}
  .band{background:#fff;color:#000;border:1px solid #999;padding:24px 20px}
  .band h2,.band p,.check,.chips span{color:#000}
  .chips span,.cred span{border-color:#999}
  .btn{border:1px solid #999;background:#fff;color:#000}
  .spec-row,.row,.step,.quotes blockquote{break-inside:avoid}
  .spec-text p,.row p,.sec-head p{color:#333}
  a{text-decoration:none;color:#000}
  .is-variance .spec-status b,.spec-total .is-neg,.mark-flag{color:#8C2F22}
  .is-traced .spec-status b,.mark-ok{color:#155E3C}
}