/* polyfees — "the fee receipt". Ink on paper, one red number, mono digits, torn edge. */
:root{
  --paper:#EEF0F2;      /* page background */
  --sheet:#FFFFFF;      /* the receipt itself */
  --ink:#15191E;        /* text, buttons */
  --graphite:#5F6873;   /* secondary text (5.4:1 on white) */
  --rule:#C9CED6;       /* dotted leaders, hairlines */
  --stamp:#C8321A;      /* the fee — the only coloured number (5.3:1 on white) */
  --carbon:#1E3FCF;     /* links, focus ring (7.9:1 on white) */
  --gain:#157347;       /* positive result only (5.9:1 on white) */
  --display:"Archivo",system-ui,sans-serif;
  --mono:"Spline Sans Mono","SF Mono",Menlo,Consolas,monospace;
  --w:1040px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.55 var(--display);font-stretch:100%}
a{color:var(--carbon);text-underline-offset:3px}
a:hover{color:var(--ink)}
:focus-visible{outline:3px solid var(--carbon);outline-offset:3px;border-radius:2px}
img{max-width:100%;display:block}
code{font-family:var(--mono);font-size:.92em}
.wrap{max-width:var(--w);margin:0 auto;padding:0 20px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* type roles */
.display,h1,h2{font-family:var(--display);font-stretch:75%;font-weight:800;text-transform:uppercase;letter-spacing:-.005em;line-height:.95;margin:0}
h1{font-size:clamp(38px,7.2vw,72px)}
h2{font-size:clamp(26px,3.6vw,38px);margin:0 0 18px}
h3{font:700 18px/1.3 var(--display);font-stretch:100%;margin:0 0 6px}
.eyebrow{font:500 12px/1.4 var(--mono);text-transform:uppercase;letter-spacing:.14em;color:var(--graphite)}
.lede{font-size:clamp(18px,2.2vw,21px);line-height:1.45;color:var(--ink);margin:18px 0 0;max-width:34em}
.mut{color:var(--graphite)}
.small{font-size:14px;line-height:1.5}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.gain{color:var(--gain)}
.fee{color:var(--stamp)}

/* header */
.site-head{border-bottom:2px solid var(--ink);background:var(--paper)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:60px;flex-wrap:wrap}
.brand{font:800 22px/1 var(--display);font-stretch:75%;text-transform:uppercase;letter-spacing:.02em;color:var(--ink);text-decoration:none;padding:16px 0;display:inline-flex;align-items:center;gap:8px}
.brand i{display:inline-block;width:12px;height:16px;background:var(--stamp);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='16'%3E%3Cpath d='M0 0h12v13l-2-2-2 2-2-2-2 2-2-2-2 2z'/%3E%3C/svg%3E") no-repeat center/contain;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='16'%3E%3Cpath d='M0 0h12v13l-2-2-2 2-2-2-2 2-2-2-2 2z'/%3E%3C/svg%3E") no-repeat center/contain}
.nav{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;margin:0 -20px;padding:0 20px;-webkit-overflow-scrolling:touch}
.nav::-webkit-scrollbar{display:none}
.nav a{white-space:nowrap;color:var(--ink);text-decoration:none;font:600 14px/1 var(--display);padding:14px 10px;border-bottom:3px solid transparent;margin-bottom:-2px}
.nav a[aria-current=page]{border-bottom-color:var(--ink)}
.nav a:hover{border-bottom-color:var(--rule)}
.nav a.pay{color:var(--stamp)}
@media (max-width:760px){
  .site-head .wrap{display:block}
  .brand{padding:14px 0 6px}
  .nav{margin:0 -20px;padding:0 12px 0 12px;border-top:1px solid var(--rule)}
  .nav a{padding:12px 8px}
}

main{padding:40px 0 72px}
section+section{margin-top:64px}

/* hero grid */
.hero{display:grid;grid-template-columns:1fr;gap:36px;align-items:start}
@media (min-width:900px){.hero{grid-template-columns:1.15fr .85fr;gap:56px}}

/* the receipt */
.receipt{position:relative;background:var(--sheet);color:var(--ink);padding:26px 24px 30px;border-top:2px solid var(--ink);box-shadow:none}
.receipt::after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:8px;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='8'%3E%3Cpath d='M0 0 8 8 16 0Z' fill='%23fff'/%3E%3C/svg%3E") repeat-x left top}
.receipt .head{display:flex;justify-content:space-between;gap:12px;align-items:baseline;padding-bottom:12px;border-bottom:1px solid var(--ink)}
.receipt .head .eyebrow{color:var(--ink)}
.r-hero{padding:22px 0 18px;border-bottom:1px solid var(--rule)}
.r-hero .lbl{font:600 15px/1.3 var(--display);text-transform:uppercase;letter-spacing:.06em;margin:0 0 6px}
.r-hero .amt{font:700 clamp(54px,11vw,92px)/1 var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.04em;color:var(--stamp);margin:0;white-space:nowrap}
.r-hero .amt small{font-size:.5em;letter-spacing:0;vertical-align:baseline;margin-left:.1em}
.r-hero .sub{margin:8px 0 0;color:var(--graphite);font-size:15px}
.r-row{display:flex;align-items:baseline;gap:10px;padding:10px 0}
.r-row .lbl{flex:0 1 auto;min-width:0;font-size:15px;line-height:1.3}
.r-row .dots{flex:1 1 20px;border-bottom:2px dotted var(--rule);transform:translateY(-5px);min-width:16px}
.r-row .val{font:600 17px/1.3 var(--mono);font-variant-numeric:tabular-nums;white-space:nowrap;text-align:right}
.r-row .val.lg{font-size:20px}
.r-sec{padding:14px 0 4px;margin-top:4px;border-top:1px solid var(--rule)}
.r-sec .eyebrow{color:var(--ink)}
.r-foot{margin-top:16px;padding-top:12px;border-top:1px solid var(--ink);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font:500 12px/1.5 var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--graphite)}
.stamp{display:inline-block;border:2px solid var(--stamp);color:var(--stamp);padding:5px 8px 4px;border-radius:3px;font:700 11px/1 var(--display);letter-spacing:.14em;text-transform:uppercase;transform:rotate(-3deg);transform-origin:center}
.sample-note{margin:14px 0 0;font-size:14px;color:var(--graphite)}

/* hold / sell table inside the receipt */
.hs{width:100%;border-collapse:collapse;margin-top:4px}
.hs th,.hs td{text-align:left;padding:8px 0;border-bottom:1px solid var(--rule);font-size:15px;vertical-align:baseline}
.hs th{font:500 11px/1.4 var(--mono);text-transform:uppercase;letter-spacing:.1em;color:var(--graphite)}
.hs td.n,.hs th.n{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums;white-space:nowrap}
.hs tr:last-child td{border-bottom:0}

/* forms */
.check{display:flex;flex-direction:column;gap:10px;margin:26px 0 0}
.check input[type=text]{width:100%;min-height:54px;font:500 16px/1.2 var(--mono);padding:14px 16px;border:2px solid var(--ink);border-radius:4px;background:var(--sheet);color:var(--ink)}
.check input[type=text]::placeholder{color:#8A939E}
.check input[type=text]:focus{outline:3px solid var(--carbon);outline-offset:2px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:54px;padding:14px 24px;border:2px solid var(--ink);border-radius:4px;background:var(--ink);color:#fff;font:700 16px/1 var(--display);text-decoration:none;cursor:pointer;white-space:nowrap;transition:background .15s ease,color .15s ease}
.btn:hover{background:#000;color:#fff}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--sheet)}
.btn.pay{border-color:var(--stamp);background:var(--stamp)}
.btn.pay:hover{background:#A82A15}
@media (min-width:520px){.check{flex-direction:row}.check input[type=text]{flex:1}}
.hint{margin:12px 0 0;font-size:14px;color:var(--graphite)}
.err{margin:0 0 14px;padding:12px 14px;border-left:4px solid var(--stamp);background:var(--sheet);font-size:15px}
.err b{color:var(--stamp)}

/* lists / fact grids */
.facts{display:grid;gap:2px;grid-template-columns:1fr;background:var(--rule);border:1px solid var(--rule)}
@media (min-width:700px){.facts{grid-template-columns:repeat(2,1fr)}}
@media (min-width:980px){.facts.four{grid-template-columns:repeat(4,1fr)}.facts.three{grid-template-columns:repeat(3,1fr)}}
.fact{background:var(--sheet);padding:20px 20px 22px}
.fact .k{font:500 12px/1.4 var(--mono);text-transform:uppercase;letter-spacing:.12em;color:var(--graphite);margin:0 0 10px}
.fact p{margin:0;font-size:15.5px;line-height:1.5}
.fact .big{font:700 30px/1 var(--mono);letter-spacing:-.03em;margin:0 0 10px}

/* paid block */
.paid{display:grid;gap:24px;grid-template-columns:1fr;border:2px solid var(--ink);background:var(--sheet);padding:26px 24px}
@media (min-width:860px){.paid{grid-template-columns:1fr auto;align-items:center}}
.paid ul{margin:10px 0 0;padding:0 0 0 1.1em;line-height:1.5;font-size:15.5px}
.paid .price{font:700 44px/1 var(--mono);letter-spacing:-.04em}
.paid .price small{font:600 13px/1 var(--display);letter-spacing:.08em;text-transform:uppercase;display:block;margin-top:8px;color:var(--graphite)}

/* share row on card page */
.share{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:22px 0 0}
.permalink{font:500 14px/1.4 var(--mono);color:var(--graphite);user-select:all;-webkit-user-select:all;word-break:break-all}

/* article pages */
.page-head{max-width:40em}
.article-grid{display:grid;gap:40px;grid-template-columns:1fr;margin-top:40px}
@media (min-width:960px){.article-grid{grid-template-columns:minmax(0,680px) 300px;gap:64px}}
.article{font-size:18px;line-height:1.6;max-width:680px}
.article h2{font-size:clamp(24px,3vw,32px);margin:40px 0 14px}
.article h2:first-child{margin-top:0}
.article h3{margin:28px 0 8px}
.article p,.article ul,.article ol{margin:0 0 18px}
.article li{margin:0 0 6px}
.article table{border-collapse:collapse;width:100%;margin:0 0 22px;font-size:16px}
.article th,.article td{text-align:left;padding:9px 0;border-bottom:1px solid var(--rule);vertical-align:top}
.article th{font:500 12px/1.4 var(--mono);text-transform:uppercase;letter-spacing:.1em;color:var(--graphite)}
.article td.n,.article th.n{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums}
.aside{display:flex;flex-direction:column;gap:18px}
.callout{background:var(--sheet);border-left:4px solid var(--ink);padding:16px 18px;font-size:15px;line-height:1.5}
.callout .k{font:500 11px/1.4 var(--mono);text-transform:uppercase;letter-spacing:.12em;color:var(--graphite);margin:0 0 8px}
.callout p{margin:0}
.callout p+p{margin-top:8px}

/* wait page */
.printing{display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--stamp);vertical-align:middle;margin-right:10px;animation:blink 1.2s steps(2,start) infinite}
@keyframes blink{to{visibility:hidden}}
.steps{list-style:none;margin:24px 0 0;padding:0;border-top:1px solid var(--ink)}
.steps li{display:flex;gap:12px;align-items:baseline;padding:12px 0;border-bottom:1px solid var(--rule);font-size:16px}
.steps li .no{font:600 13px/1.4 var(--mono);color:var(--graphite);min-width:2.2em}
.steps li[aria-current=step] .no,.steps li[aria-current=step]{color:var(--ink);font-weight:600}
.steps li.done{color:var(--graphite);text-decoration:line-through;text-decoration-color:var(--rule)}

/* footer */
.site-foot{border-top:2px solid var(--ink);padding:28px 0 40px;font-size:14px;color:var(--graphite)}
.site-foot .cols{display:flex;flex-wrap:wrap;gap:8px 22px;margin:0 0 18px;padding:0;list-style:none}
.site-foot .cols a{color:var(--ink);text-decoration:none;font-weight:600}
.site-foot .cols a:hover{text-decoration:underline}
.trust{max-width:60em;margin:0}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .printing{visibility:visible}
}

/* --- additions: form field with Paste, trust line, how-to, tables, rules, skip link --- */
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:10px 14px;z-index:10;font-weight:600;text-decoration:none}
.skip:focus{left:8px}
.field{position:relative;flex:1;display:flex}
.field input[type=text]{padding-right:84px}
.paste{position:absolute;right:8px;top:50%;transform:translateY(-50%);min-height:36px;padding:0 12px;border:1px solid var(--rule);border-radius:3px;background:var(--paper);color:var(--ink);font:600 13px/1 var(--display);cursor:pointer}
.paste:hover{border-color:var(--ink)}
.trustline{margin:12px 0 0;font:600 14px/1.4 var(--display);color:var(--ink)}
.trustline::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--gain);margin:0 8px 1px 0}
.howto{margin:14px 0 0;font-size:15px;color:var(--graphite);max-width:40em}
.howto summary{cursor:pointer;color:var(--carbon);font-weight:600;list-style:none;display:inline-block;padding:6px 0;text-decoration:underline;text-underline-offset:3px}
.howto summary::-webkit-details-marker{display:none}
.howto summary::before{content:"+ ";font-family:var(--mono)}
.howto[open] summary::before{content:"− "}
.howto ol{margin:8px 0 10px;padding-left:1.3em;color:var(--ink);line-height:1.5}
.howto li{margin:0 0 6px}
.howto p{margin:0 0 8px;color:var(--ink)}
.hs-note{margin:10px 0 0;font-size:14px;color:var(--graphite)}
.timer{margin:14px 0 0;font-size:15px;color:var(--graphite)}
.timer .num{color:var(--ink);font-weight:700}
.steps .detail{color:var(--graphite);font-weight:400}
.order{display:flex;flex-direction:column;align-items:flex-start;gap:14px;margin:0}
.rules{list-style:none;margin:0;padding:0;border-top:2px solid var(--ink);max-width:820px}
.rules li{display:grid;grid-template-columns:2.4em 1fr;gap:6px 10px;padding:16px 0;border-bottom:1px solid var(--rule);font-size:17px;line-height:1.45}
.rules .no{font:700 15px/1.5 var(--mono);color:var(--graphite)}
.rules .tag{grid-column:2;justify-self:start;font:500 11px/1.4 var(--mono);text-transform:uppercase;letter-spacing:.1em;padding:3px 7px;border:1px solid var(--rule);border-radius:3px;color:var(--graphite)}
.rules .tag.hard{border-color:var(--ink);color:var(--ink)}
.tbl-wrap{overflow-x:auto;margin:18px 0 10px;border-top:2px solid var(--ink);background:var(--sheet)}
.tbl{width:100%;border-collapse:collapse;font-size:15px;min-width:720px}
.tbl th,.tbl td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--rule);vertical-align:top}
.tbl th{font:500 11px/1.4 var(--mono);text-transform:uppercase;letter-spacing:.1em;color:var(--graphite);white-space:nowrap}
.tbl td.n,.tbl th.n{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums;white-space:nowrap}
.tbl td:first-child{min-width:260px}

/* card page: on phones the receipt comes right after the headline, actions follow it */
.hero-3{grid-template-columns:1fr}
.hero-3 .hero-side{order:2}.hero-3 .hero-actions{order:3}
@media (min-width:900px){
  .hero-3{grid-template-columns:1.15fr .85fr;grid-template-rows:auto 1fr}
  .hero-3 .hero-head{grid-column:1;grid-row:1}
  .hero-3 .hero-actions{grid-column:1;grid-row:2;align-self:start;margin-top:-20px}
  .hero-3 .hero-side{grid-column:2;grid-row:1 / span 2}
}
/* phone nav: a fade on the right edge hints that the row scrolls */
@media (max-width:760px){
  .site-head .wrap{position:relative}
  .site-head .wrap::after{content:"";position:absolute;right:0;bottom:0;width:36px;height:44px;background:linear-gradient(90deg,rgba(238,240,242,0),var(--paper));pointer-events:none}
}

/* языки и соцсети */
.langs{display:flex;gap:2px;margin-left:12px}
.langs a{font:600 12px/1 var(--mono);letter-spacing:.06em;color:var(--graphite);text-decoration:none;padding:6px 8px;border:1px solid var(--rule)}
.langs a[aria-current=true]{color:var(--ink);border-color:var(--ink)}
.langs a:hover{color:var(--ink)}
.site-foot .social{display:flex;flex-wrap:wrap;gap:8px 18px;margin:0 0 18px;padding:0;list-style:none}
.site-foot .social a{color:var(--graphite);text-decoration:underline;text-underline-offset:3px}
.site-foot .social a:hover{color:var(--ink)}