/* BillingReceipts brand system.
   Ink-blue band on every page, the generated document as the hero, green reserved for "paid". */
:root{
  --bg:#EEF1F6;--surface:#FFFFFF;--surface-2:#F4F6FA;--ink:#101B33;--ink-2:#4B5870;--line:#D5DBE7;
  --band:#0C1F52;--band-ink:#FFFFFF;--band-ink-2:#B9C6E6;
  --btn:#14307A;--btn-ink:#FFFFFF;--link:#14307A;--logo:#FFFFFF;--logo-check:#0C1F52;
  --paid:#0B7A55;--paid-soft:#DDF1E8;--focus:#2F5BD8;
  --paper:#FFFFFF;--paper-ink:#101B33;--paper-line:#DDE2EC;
  --font-display:"Bricolage Grotesque","IBM Plex Sans",system-ui,sans-serif;
  --font-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root{--bg:#0A101E;--surface:#121B30;--surface-2:#182440;--ink:#E8EDF7;--ink-2:#A2AFC7;--line:#26324B;
    --band:#081538;--btn:#3F66E0;--btn-ink:#FFFFFF;--link:#8FB0FF;--paid:#3DBE8E;--paid-soft:#12372B;--focus:#8FB0FF;
    --paper:#F7F8FA;color-scheme:dark}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:15px;line-height:1.6}
.wrap{max-width:1160px;margin-inline:auto;padding-inline:16px}
h1,h2,h3{font-family:var(--font-display);text-wrap:balance;line-height:1.08;margin:0;letter-spacing:-.02em}
p{margin:0}
a{color:var(--link)}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:8px;background:var(--surface);color:var(--ink);padding:8px 12px;z-index:9}

/* band */
.band{background:var(--band);color:var(--band-ink);padding-bottom:84px}
.band a{color:inherit}
header.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:18px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:21px;letter-spacing:-.025em;text-decoration:none;color:var(--band-ink)}
nav.links{display:flex;gap:6px 22px;font-size:14px;flex-wrap:wrap}
nav.links a{text-decoration:none;color:var(--band-ink-2);padding-block:4px}
nav.links a:hover{color:var(--band-ink)}
.crumbs{font-size:12.5px;color:var(--band-ink-2);padding-top:4px}
.crumbs a{color:var(--band-ink-2)}
.hero{padding-block:40px 8px;display:grid;gap:16px;max-width:800px}
.hero h1{font-size:clamp(34px,6vw,60px);font-weight:700;color:var(--band-ink);letter-spacing:-.03em}
.hero p{font-size:18px;color:var(--band-ink-2);max-width:56ch;line-height:1.5}
.facts{list-style:none;margin:6px 0 0;padding:0;display:flex;gap:8px 24px;flex-wrap:wrap;font-size:14px;color:var(--band-ink)}
.facts li{display:flex;align-items:center;gap:8px}
.facts li::before{content:"";width:16px;height:16px;border-radius:50%;background:#3DBE8E url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8.3l2.4 2.4 4.6-5' fill='none' stroke='%2306261B' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat}

/* workspace */
main{padding-bottom:8px}
.work{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:20px;align-items:start;margin-top:-60px;position:relative}
@media(max-width:900px){.work{grid-template-columns:minmax(0,1fr)}}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px;box-shadow:0 18px 40px -24px rgba(8,21,56,.45)}
.seg{display:inline-grid;grid-auto-flow:column;background:var(--surface-2);border:1px solid var(--line);border-radius:9px;padding:3px;gap:3px;margin-bottom:18px}
.seg button{font:inherit;font-weight:600;border:0;background:transparent;color:var(--ink-2);padding:8px 18px;border-radius:7px;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--btn);color:var(--btn-ink)}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media(max-width:480px){.grid2{grid-template-columns:minmax(0,1fr)}}
label{display:grid;gap:4px;font-size:12.5px;font-weight:500;color:var(--ink-2)}
input,textarea,select{font:inherit;font-size:14px;color:var(--ink);background:var(--surface-2);border:1px solid var(--line);border-radius:6px;padding:8px 10px;width:100%;min-width:0}
input:focus,textarea:focus,select:focus{border-color:var(--focus)}
textarea{resize:vertical;min-height:62px}
fieldset{border:0;padding:0;margin:0 0 16px;display:grid;gap:12px;min-width:0}
legend{font-family:var(--font-display);font-weight:600;font-size:15px;color:var(--ink);padding:0;margin-bottom:8px;letter-spacing:-.01em}
#items{display:grid;gap:8px}
.item,.hdr{display:grid;grid-template-columns:minmax(0,1fr) 62px 86px 30px;gap:8px;align-items:end}
.item .x{height:36px;border:1px solid var(--line);background:transparent;color:var(--ink-2);border-radius:6px;cursor:pointer;font-size:16px;line-height:1}
.item .x:hover{color:var(--ink);border-color:var(--ink-2)}
.hdr{font-size:12px;color:var(--ink-2)}
.btn{font:inherit;font-weight:600;border-radius:8px;padding:9px 15px;cursor:pointer;border:1px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none;display:inline-block}
.btn.primary{background:var(--btn);border-color:var(--btn);color:var(--btn-ink)}
.btn:hover{filter:brightness(1.08)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.hint{font-size:12.5px;color:var(--ink-2)}

.sheetbox{background:transparent;padding:6px 4px 28px;min-width:0}
.sheetbox .row{margin-bottom:16px}
@media(min-width:901px){
  .sheetbox .btn{background:transparent;border-color:rgba(255,255,255,.4);color:var(--band-ink)}
  .sheetbox .btn.primary{background:#fff;border-color:#fff;color:#0C1F52}
}
.sheet{background:var(--paper);color:var(--paper-ink);border-radius:2px 2px 0 0;padding:34px 30px 30px;position:relative;line-height:1.5;filter:drop-shadow(0 16px 20px rgba(8,21,56,.28));animation:print .9s cubic-bezier(.2,.7,.2,1) both}
.sheet::after{content:"";position:absolute;left:0;right:0;top:100%;height:9px;background:conic-gradient(from 135deg at top,transparent,var(--paper) 1deg 89deg,transparent 90deg) 0 0/18px 9px repeat-x}
@keyframes print{from{clip-path:inset(0 -40px 100% -40px);transform:translateY(-10px)}to{clip-path:inset(0 -40px -80px -40px);transform:none}}
.sheet .sh{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:flex-start;padding-bottom:16px;border-bottom:2px solid var(--paper-ink)}
.sheet .kind{font-family:var(--font-display);font-weight:700;font-size:32px;letter-spacing:-.03em}
.sheet .num{font-family:var(--font-mono);font-size:12px;text-align:right;line-height:1.7}
.sheet .num span{color:#66748A}
.sheet .parties{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-block:22px;font-size:13px}
.sheet .parties b{display:block;font-family:var(--font-mono);font-weight:500;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:#66748A;margin-bottom:3px}
.sheet .parties div{overflow-wrap:anywhere}
.tbl{overflow-x:auto}
.sheet table{width:100%;border-collapse:collapse;font-size:13px}
.sheet th{font-family:var(--font-mono);font-weight:500;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;text-align:right;color:#66748A;border-bottom:1px solid var(--paper-ink);padding:6px 4px}
.sheet th:first-child,.sheet td:first-child{text-align:left}
.sheet td{padding:9px 4px;border-bottom:1px solid var(--paper-line);text-align:right;font-family:var(--font-mono);font-size:12.5px;font-variant-numeric:tabular-nums}
.sheet td:first-child{overflow-wrap:anywhere;font-family:var(--font-body);font-size:13px}
.totals{margin-left:auto;margin-top:14px;width:min(270px,100%);font-size:13px;display:grid;gap:5px;font-family:var(--font-mono);font-variant-numeric:tabular-nums}
.totals div{display:flex;justify-content:space-between;gap:12px}
.totals .grand{border-top:2px solid var(--paper-ink);padding-top:9px;margin-top:5px;font-family:var(--font-display);font-weight:700;font-size:21px;letter-spacing:-.02em}
.notes{margin-top:22px;font-size:12px;color:#44515F;white-space:pre-wrap;overflow-wrap:anywhere}
.stamp{position:absolute;right:28px;top:96px;border:3px solid #0B7A55;color:#0B7A55;font-family:var(--font-display);font-weight:700;font-size:30px;letter-spacing:.12em;padding:2px 14px;border-radius:5px;transform:rotate(-9deg);opacity:.88}
.stamp[hidden]{display:none}
.mark{margin-top:24px;padding-top:12px;border-top:1px dashed var(--paper-line);font-family:var(--font-mono);font-size:10.5px;color:#7B8794;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}

/* sections */
section.s{padding-block:64px 4px}
.sh2{display:grid;gap:8px;margin-bottom:24px;max-width:660px}
.sh2 h2{font-size:clamp(26px,4vw,38px)}
.sh2 p{color:var(--ink-2)}
.tpls{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.tpl{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:14px 16px;color:var(--ink);display:grid;grid-template-columns:40px minmax(0,1fr);gap:4px 14px;text-decoration:none;align-items:start}
.tpl:hover{border-color:var(--btn);box-shadow:0 8px 20px -14px rgba(8,21,56,.6)}
.tpl svg{grid-row:1/4;width:40px;height:48px}
.tpl b{font-family:var(--font-display);font-weight:600;font-size:16px;letter-spacing:-.01em}
.tpl span{font-size:13px;color:var(--ink-2)}
.tpl small{font-size:12px;color:var(--ink-2);font-weight:500}
.tpl.invoice svg{color:var(--btn)}.tpl.receipt svg{color:var(--paid)}.tpl.guide svg{color:var(--ink-2)}

.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:0;border:1px solid var(--line);border-radius:10px;background:var(--surface);overflow:hidden}
.steps div{padding:22px;display:grid;gap:6px;align-content:start}
.steps div+div{border-left:1px solid var(--line)}
@media(max-width:700px){.steps div+div{border-left:0;border-top:1px solid var(--line)}}
.steps h3{font-size:19px}.steps p{color:var(--ink-2);font-size:14px}
.steps .n{font-family:var(--font-display);font-weight:700;font-size:34px;color:var(--btn);line-height:1}

.tiers{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px;align-items:stretch}
.tier{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:24px;display:grid;gap:12px;align-content:start}
.tier.feat{background:var(--band);border-color:var(--band);color:var(--band-ink)}
.tier.feat .tag{background:rgba(255,255,255,.14);color:var(--band-ink)}
.tier.feat .price small,.tier.feat li{color:var(--band-ink)}
.tier h3{font-size:22px}
.price{font-family:var(--font-display);font-weight:700;font-size:38px;letter-spacing:-.03em}
.price small{font-family:var(--font-body);font-weight:400;font-size:14px;color:var(--ink-2)}
.tier ul{margin:0;padding:0;list-style:none;display:grid;gap:8px;font-size:14px}
.tier li{display:grid;grid-template-columns:16px minmax(0,1fr);gap:8px}
.tier li::before{content:"";width:8px;height:8px;margin-top:8px;background:var(--paid);border-radius:50%}
.tag{justify-self:start;font-size:12px;font-weight:600;background:var(--surface-2);color:var(--ink-2);padding:3px 10px;border-radius:99px}
.list{margin:0;padding:0;list-style:none;display:grid;gap:8px;font-size:14.5px}
.list li{display:grid;grid-template-columns:16px minmax(0,1fr);gap:8px}
.list li::before{content:"";width:8px;height:8px;margin-top:9px;background:var(--btn);border-radius:50%}

details{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:14px 16px}
details+details{margin-top:10px}
summary{cursor:pointer;font-weight:600}
details p{margin-top:8px;color:var(--ink-2);max-width:70ch}

.article{max-width:720px;display:grid;gap:12px;padding-block:44px 8px}
.article h1{font-size:clamp(30px,5vw,46px)}
.article h2{font-size:26px;margin-top:22px}
.article .list{margin-block:4px}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:28px}
.cta{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px;display:grid;gap:10px;margin-top:28px;max-width:720px}

footer.foot{background:var(--band);color:var(--band-ink-2);margin-top:72px;padding-block:52px 40px;font-size:13.5px}
footer.foot .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:28px}
footer.foot h3{font-size:15px;color:var(--band-ink);margin-bottom:8px}
footer.foot a{display:block;color:var(--band-ink-2);text-decoration:none;padding-block:3px}
footer.foot a:hover{color:var(--band-ink)}
footer.foot .brand{margin-bottom:10px}
.fine{grid-column:1/-1;max-width:72ch;border-top:1px solid rgba(255,255,255,.14);padding-top:20px;font-size:12.5px}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}.sheet{animation:none}}
@media print{
  .band,footer.foot,.skip{display:none!important}
  main>*:not(.work){display:none!important}
  .work{display:block;margin-top:0}.work .panel{display:none}
  .sheetbox{padding:0}
  .sheetbox>*:not(.sheet){display:none}
  .sheet{filter:none;animation:none;border-radius:0}
  .sheet::after{display:none}
  body{background:#fff}
  @page{margin:14mm}
}

@media(max-width:480px){nav.links{gap:6px 16px;font-size:13.5px}}

/* Saved documents */
.saved{margin-top:36px;border-top:1px solid var(--line);padding-top:18px}
.saved h2{font-family:var(--font-display);font-size:18px;margin:0 0 4px;color:var(--ink)}
.saved ul{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:8px}
.saved li{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:10px 12px}
.saved li b{display:block;font-size:14px;color:var(--ink)}
.saved li span{font-size:12.5px;color:var(--ink-2)}
.saved .acts{display:flex;gap:6px}
.saved .btn.sm,.sheetbox .saved .btn.sm{padding:5px 10px;font-size:13px;background:var(--surface);color:var(--ink);border-color:var(--line)}
.authbar{margin:6px 0 4px}
.authform{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
.authform input{flex:1 1 220px;min-width:0;font:inherit;padding:9px 12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink)}
.authform .btn,.sheetbox .authform .btn{background:var(--btn);border-color:var(--btn);color:var(--btn-ink)}
.saved .link{font:inherit;background:none;border:0;padding:0 0 0 6px;color:var(--ink);text-decoration:underline;cursor:pointer}
.saved li.empty{background:none;border-style:dashed;color:var(--ink-2);font-size:13px}
.tier .alt{margin:-4px 0 10px;font-size:13px;opacity:.8}

/* Pro tools */
.badge{font-family:var(--font-body);font-size:10.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;background:var(--btn);color:var(--btn-ink);border-radius:999px;padding:2px 7px;margin-left:6px;vertical-align:2px}
fieldset.pro{border:1px dashed var(--line);border-radius:10px;padding:12px}
fieldset.pro.locked label,fieldset.pro.locked .row:not(#upRow):not(#mgRow){opacity:.5}
fieldset.pro.locked .badge{background:var(--ink-2)}
fieldset.pro.on{border:1.5px solid var(--paid);background:var(--paid-soft)}
fieldset.pro.on .badge{background:var(--paid);color:#fff}
fieldset.pro.on label{color:var(--ink);font-weight:600}
fieldset.pro.on #proNote{color:var(--paid);font-weight:600}
fieldset.pro.on input,fieldset.pro.on select{background:var(--surface);border-color:var(--paid)}
fieldset.pro.on .btn.sm{background:var(--surface);color:var(--ink);border-color:var(--paid)}
.btn.sm{padding:5px 10px;font-size:13px}
label.chk{display:flex;align-items:center;gap:8px;font-weight:400}
label.chk input{width:auto}
.sheet .logo{display:block;max-height:44px;max-width:170px;margin:0 0 10px}
nav.links a.cta-nav{background:#fff;color:#0C1F52;font-weight:600;padding:6px 14px;border-radius:999px}
nav.links a.cta-nav:hover{color:#0C1F52;filter:brightness(.94)}
.promo{margin-top:6px}.promo a,.hint a,.saved .hint a{color:inherit;text-decoration:underline}
.tier.feat .btn.primary{background:#fff;border-color:#fff;color:#0C1F52;margin:0 0 12px}
.tier #proCta[hidden]{display:none}
.row[hidden],fieldset.pro [hidden]{display:none!important}

.saved .hsign{font:inherit}.saved .hsign a{color:var(--link);font:inherit}

.howpro{margin-top:28px;border:1px solid var(--line);border-radius:10px;background:var(--surface);padding:16px 18px;scroll-margin-top:16px}
.howpro[hidden]{display:none}
.howpro h2{font-family:var(--font-display);font-size:18px;margin:0 0 6px;color:var(--ink)}
.howpro ol{margin:10px 0 12px;padding-left:20px;display:grid;gap:8px;font-size:14px;color:var(--ink-2)}
.howpro li b{color:var(--ink)}
.howpro .row{margin-top:4px}
.sheetbox .howpro .btn{background:var(--surface);color:var(--ink);border-color:var(--line)}
.sheetbox .howpro .btn.primary{background:var(--btn);border-color:var(--btn);color:var(--btn-ink)}
/* header: bigger brand, bordered nav */
header.top .brand{font-size:clamp(26px,3.4vw,38px);gap:12px}
header.top .brand svg{width:1.15em;height:1.15em}
nav.links{gap:8px;font-size:15px}
nav.links a{color:var(--band-ink);border:1px solid rgba(255,255,255,.5);border-radius:8px;padding:8px 14px;font-weight:500;line-height:1.2}
nav.links a:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff}
nav.links a.cta-nav{background:#fff;color:#0C1F52;border-color:#fff;font-weight:700}
@media(max-width:480px){nav.links{gap:6px;font-size:13.5px}nav.links a{padding:6px 10px}}
.toolbox{margin:24px 0 8px;display:grid;gap:18px;grid-template-columns:minmax(0,1fr)}
.toolbox .fields{display:grid;gap:12px;grid-template-columns:repeat(2,minmax(0,1fr))}
.toolbox .fields label.chk{grid-column:1/-1}
.result{background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:14px 16px;display:grid;gap:6px}
.result .rr{display:flex;justify-content:space-between;gap:16px;font-size:15px;padding-block:4px;border-bottom:1px solid var(--line)}
.result .rr:last-child{border-bottom:0}
.result .rr.grand{font-family:var(--font-display);font-size:20px;border-top:2px solid var(--ink);margin-top:4px;padding-top:10px}
.result textarea{font-family:var(--font-mono);font-size:14px;resize:vertical}
@media(max-width:560px){.toolbox .fields{grid-template-columns:1fr}}
.code{font-family:var(--font-mono);font-size:12.5px;resize:vertical}