/* NIRAX — инструменты /tools/. Все классы с префиксом nxt- (не пересекаются с темой сайта). */

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:root{
  --nxt-blue:#0F62AB;
  --nxt-blue-dark:#0A4A82;
  --nxt-orange:#F58220;
  --nxt-orange-dark:#E0740F;
  --nxt-heading:#515151;
  --nxt-menu:#0A0A0A;
  --nxt-card-bg:#F5F7FA;
  --nxt-line:#DDE2E8;
  --nxt-success:#1C7C3A;
  --nxt-ink:#16212E;
  --nxt-muted:#5A6874;
  --nxt-font:'Manrope',-apple-system,'Segoe UI',Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--nxt-font);
  color:var(--nxt-ink);
  background:#fff;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--nxt-blue);text-decoration:none}
a:hover{color:var(--nxt-blue-dark);text-decoration:underline}
.nxt-text a,.nxt-hint a,.nxt-tool p a,.nxt-lead a{text-decoration:underline}
h1,h2,h3,h4{color:var(--nxt-heading);font-weight:800;letter-spacing:-.01em;margin:0 0 .5em}
img{max-width:100%;display:block}
button{font:inherit}

/* --- layout --- */
.nxt-hdr{
  position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--nxt-line);
  height:64px;display:flex;align-items:center;
}
.nxt-hdr__wrap{
  /* шире, чем колонка контента (1180px): меню растёт по числу инструментов и не должно
     упираться в тот же потолок, что и читаемая ширина текста */
  width:100%;max-width:1680px;margin:0 auto;padding:0 20px;
  display:flex;align-items:center;gap:16px;
}
.nxt-hdr__logo{display:flex;align-items:center;flex-shrink:0}
.nxt-hdr__logo img{height:32px;width:auto}
.nxt-hdr__all{
  flex-shrink:0;margin-left:20px;color:var(--nxt-menu);font-weight:600;font-size:13.5px;white-space:nowrap;
}
.nxt-hdr__all[aria-current="page"]{color:var(--nxt-blue)}
.nxt-hdr__nav{display:flex;gap:14px;flex:1;margin:0 16px;list-style:none;padding:0;min-width:0;overflow-x:auto;scrollbar-width:thin;scrollbar-color:var(--nxt-line) transparent}
.nxt-hdr__nav::-webkit-scrollbar{height:4px}
.nxt-hdr__nav::-webkit-scrollbar-thumb{background:var(--nxt-line);border-radius:2px}
.nxt-hdr__nav::-webkit-scrollbar-track{background:transparent}
.nxt-hdr__nav a{color:var(--nxt-menu);font-weight:600;font-size:13.5px;white-space:nowrap}
.nxt-hdr__nav a[aria-current="page"]{color:var(--nxt-blue)}
.nxt-hdr__actions{display:flex;align-items:center;gap:8px;flex-shrink:0;margin-left:auto}
.nxt-hdr__actions .nxt-btn{min-height:40px;padding:9px 14px;font-size:13.5px;white-space:nowrap}
.nxt-hdr__actions .nxt-hdr__gosite{display:none}
@media (min-width:1400px){.nxt-hdr__actions .nxt-hdr__gosite{display:inline-flex}}
.nxt-burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nxt-burger svg{display:block;width:24px;height:24px}

@media (max-width:1299px){
  .nxt-hdr__nav{
    display:none;position:absolute;top:64px;left:0;right:0;background:#fff;
    flex-direction:column;gap:0;margin:0;border-bottom:1px solid var(--nxt-line);
    box-shadow:0 8px 16px rgba(22,33,46,.08);overflow-x:visible;
  }
  .nxt-hdr__nav.nxt-hdr__nav--open{display:flex}
  .nxt-hdr__nav a{padding:14px 20px;border-bottom:1px solid var(--nxt-line-2,#EEF2F6)}
  .nxt-burger{display:block}
}
@media (max-width:860px){
  .nxt-hdr__actions .nxt-btn{display:none}
}

.nxt-main{width:100%}
.nxt-crumbs{
  max-width:860px;margin:18px auto 0;padding:0 20px;font-size:13.5px;color:var(--nxt-muted);
}
.nxt-crumbs a{color:var(--nxt-muted)}

.nxt-h1-wrap{max-width:860px;margin:10px auto 0;padding:0 20px}
.nxt-lead{max-width:860px;margin:0 auto 24px;padding:0 20px;font-size:17px;color:var(--nxt-muted);line-height:1.55}

.nxt-tool{max-width:860px;margin:0 auto 32px;padding:0 20px}
.nxt-text{max-width:760px;margin:0 auto;padding:0 20px 48px}
.nxt-text h2{font-size:24px;margin-top:40px}
.nxt-text h3{font-size:18px;margin-top:24px}
.nxt-text p{margin:0 0 16px}
.nxt-text ul,.nxt-text ol{margin:0 0 16px;padding-left:22px}
.nxt-text li{margin-bottom:6px}

.nxt-ftr{border-top:1px solid var(--nxt-line);background:var(--nxt-card-bg);padding:32px 20px 24px}
.nxt-ftr__wrap{max-width:1180px;margin:0 auto}
.nxt-ftr__links{display:flex;flex-wrap:wrap;gap:8px 24px;list-style:none;padding:0;margin:0 0 16px}
.nxt-ftr__links a{font-size:14px;color:var(--nxt-muted)}
.nxt-ftr__meta{font-size:13px;color:var(--nxt-muted)}

/* --- form card --- */
.nxt-card{
  background:var(--nxt-card-bg);border-radius:10px;padding:24px;
}
.nxt-grid2{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:620px){.nxt-grid2{grid-template-columns:1fr 1fr}}
.nxt-field{display:flex;flex-direction:column;gap:6px;position:relative}

.nxt-suggest{
  position:absolute;top:100%;left:0;right:0;z-index:40;margin-top:2px;
  background:#fff;border:1px solid var(--nxt-line);border-radius:8px;
  box-shadow:0 8px 20px rgba(22,33,46,.12);max-height:260px;overflow-y:auto;
  list-style:none;padding:4px;display:none;
}
.nxt-suggest.nxt-suggest--open{display:block}
.nxt-suggest__item{padding:8px 10px;border-radius:6px;cursor:pointer;font-size:14px}
.nxt-suggest__item:hover,.nxt-suggest__item--active{background:var(--nxt-card-bg)}
.nxt-suggest__name{font-weight:600;color:var(--nxt-ink)}
.nxt-suggest__meta{font-size:12.5px;color:var(--nxt-muted)}
.nxt-field--full{grid-column:1 / -1}
.nxt-field label{font-size:13.5px;font-weight:600;color:var(--nxt-ink)}
.nxt-field input,.nxt-field select{
  border:1px solid var(--nxt-line);border-radius:8px;padding:11px 12px;font:inherit;
  font-size:15px;background:#fff;color:var(--nxt-ink);min-height:44px;
}
.nxt-field input:focus,.nxt-field select:focus,
a:focus-visible,button:focus-visible,.nxt-btn:focus-visible{
  outline:2px solid var(--nxt-blue);outline-offset:2px;
}
.nxt-hint{font-size:12.5px;color:var(--nxt-muted)}
.nxt-hint--warn{color:var(--nxt-orange-dark)}

/* --- buttons --- */
.nxt-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;border-radius:10px;border:0;cursor:pointer;
  font-weight:700;font-size:15px;text-align:center;
}
.nxt-btn--primary{background:var(--nxt-orange);color:#fff}
.nxt-btn--primary:hover{background:var(--nxt-orange-dark);color:#fff;text-decoration:none}
.nxt-btn--ghost{background:#fff;border:1.5px solid var(--nxt-blue);color:var(--nxt-blue)}
.nxt-btn--ghost:hover{background:#F2F8FD;text-decoration:none}
.nxt-btn--toggle[aria-pressed="true"]{background:var(--nxt-blue);color:#fff}
.nxt-btn--blue{background:var(--nxt-blue);color:#fff}
.nxt-btn--blue:hover{background:var(--nxt-blue-dark);color:#fff;text-decoration:none}
.nxt-btn--row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}

/* --- callout / important --- */
.nxt-callout{
  background:#EEF2F6;border-left:3px solid var(--nxt-orange);border-radius:6px;
  padding:14px 16px;margin:20px 0;font-size:14.5px;color:var(--nxt-ink);
}
.nxt-callout strong{color:var(--nxt-heading)}

/* --- result block --- */
.nxt-result{background:#fff;border:1px solid var(--nxt-line);border-radius:10px;padding:20px;margin-top:20px}
.nxt-result__num{font-size:32px;font-weight:800;color:var(--nxt-ink)}
.nxt-result__label{font-size:13.5px;color:var(--nxt-muted);margin-bottom:4px}
.nxt-result__copied{color:var(--nxt-success);font-size:13.5px;font-weight:600}

.nxt-table-wrap{overflow-x:auto;margin:12px 0;-webkit-overflow-scrolling:touch}
table.nxt-table{width:100%;min-width:480px;border-collapse:collapse;font-size:14px;margin:0;table-layout:fixed}
table.nxt-table th,table.nxt-table td{border:1px solid var(--nxt-line);padding:8px;text-align:left;overflow-wrap:break-word}
table.nxt-table th{background:var(--nxt-card-bg);font-weight:700;font-size:12.5px}
table.nxt-table input{width:100%;border:0;background:transparent;font:inherit;padding:4px}
table.nxt-table input:focus{outline:1px solid var(--nxt-blue)}
table.nxt-table .nxt-col-name{width:42%}
table.nxt-table .nxt-col-del{width:34px}

/* --- CTA block --- */
.nxt-cta{
  max-width:860px;margin:32px auto;padding:28px 20px;text-align:center;
  background:var(--nxt-card-bg);border-radius:14px;
}
.nxt-cta h2{font-size:20px;margin-bottom:8px}
.nxt-cta p{color:var(--nxt-muted);margin:0 0 18px}

/* --- FAQ --- */
.nxt-faq{border:1px solid var(--nxt-line);border-radius:14px;padding:18px 20px;margin-bottom:12px}
.nxt-faq__q{font-size:16px;font-weight:800;margin-bottom:8px}
.nxt-faq__a{font-size:15px;line-height:1.6;color:var(--nxt-muted);margin:0}

/* --- hub grid --- */
.nxt-hub-intro{max-width:760px;margin:0 auto 32px;padding:0 20px;color:var(--nxt-muted);font-size:16px}
.nxt-hub-grid{
  max-width:1180px;margin:0 auto 40px;padding:0 20px;display:grid;
  grid-template-columns:1fr;gap:20px;
}
@media (min-width:720px){.nxt-hub-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1020px){.nxt-hub-grid{grid-template-columns:1fr 1fr 1fr}}
.nxt-hub-card{
  border:1px solid var(--nxt-line);border-radius:14px;padding:22px;display:flex;
  flex-direction:column;gap:10px;background:#fff;
}
.nxt-hub-card h2{font-size:18px;margin:0}
.nxt-hub-card p{color:var(--nxt-muted);font-size:14.5px;margin:0;flex:1}

/* --- print --- */
@media print{
  .nxt-hdr,.nxt-ftr,.nxt-crumbs,.nxt-cta,.nxt-text,.nxt-noprint,
  .nxt-h1-wrap,.nxt-lead,.nxt-card--noprint{display:none !important}
  body{background:#fff}
  .nxt-print{display:block !important}
  .nxt-doc-pagebreak{page-break-after:always;break-after:page}
  @page{size:A4;margin:14mm}
}
.nxt-print{display:none}
.nxt-doc{font-size:13px;color:#000}
.nxt-doc__title{font-size:18px;font-weight:800;text-align:center;margin-bottom:16px}
.nxt-doc__row{display:flex;justify-content:space-between;gap:24px;margin-bottom:6px}
.nxt-doc__block{margin-bottom:14px}
.nxt-doc__block h3{font-size:13px;font-weight:700;margin:0 0 4px;color:#000}
.nxt-doc table{width:100%;border-collapse:collapse;margin:10px 0;font-size:12.5px;table-layout:fixed}
.nxt-doc table th,.nxt-doc table td{border:1px solid #000;padding:5px 7px;text-align:left;overflow-wrap:break-word}
.nxt-doc table th{background:#f0f0f0}
.nxt-doc table th:first-child,.nxt-doc table td:first-child{width:40%}
.nxt-doc__totals{margin-top:10px;font-size:13.5px}
.nxt-doc__totals strong{font-size:16px}
.nxt-doc__sign{display:flex;justify-content:space-between;margin-top:40px;gap:40px}
.nxt-doc__sign div{flex:1;border-top:1px solid #000;padding-top:4px;font-size:12px;text-align:center}
.nxt-doc__example{text-align:center;color:#555;font-size:11px;margin-bottom:8px}