/* Одна навигация: обычная шапка и её sticky-состояние. */
html{scroll-padding-top:88px}
.nit-header,.site-dock{padding:12px 0;border:0;background:transparent;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
.nit-header .header-row,.site-dock .header-row{position:relative;box-sizing:border-box;
  width:100%;max-width:1120px;margin:0 auto;padding:0 20px;display:grid;
  grid-template-columns:1fr auto 1fr;align-items:start;gap:16px}
.header-nav{display:contents}
.nit-header .logo,.site-dock .logo{position:relative;grid-column:1;grid-row:1;
  justify-self:start;display:inline-flex;align-items:center;min-height:44px;
  font-weight:700;font-size:20px;letter-spacing:-0.02em;color:#0F172A;text-decoration:none}
.nit-header .logo b,.site-dock .logo b{color:#2563EB}
.header-menu{position:relative;grid-column:2;grid-row:1;display:inline-flex;align-items:center}
.nit-header .header-link,.site-dock .header-link{display:inline-flex;align-items:center;
  min-height:44px;padding:0 18px;font-size:16px;font-weight:500;color:#1D4ED8;
  text-decoration:none;border-radius:999px;white-space:nowrap}
.nit-header .header-cta,.site-dock .header-cta{grid-column:3;grid-row:1;justify-self:end;
  box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:10px 22px;border-radius:999px;background:#1D4ED8;
  color:#fff;font-size:15px;line-height:24px;font-weight:600;text-decoration:none;white-space:nowrap}
.nit-header .header-cta[hidden],.site-dock .header-cta[hidden]{display:none}
.nit-header a:hover,.site-dock a:hover{text-decoration:none}
.nit-header .header-link:hover,.site-dock .header-link:hover{background:rgba(37,99,235,.08)}
.nit-header .header-cta:hover,.site-dock .header-cta:hover{background:#1E40AF}
.nit-header a:focus-visible,.site-dock a:focus-visible{outline:2px solid #2563EB;outline-offset:3px}
.site-dock{position:fixed;inset:0 0 auto;z-index:40;pointer-events:none;visibility:hidden;
  opacity:0;transform:translateY(-12px);
  transition:opacity 520ms cubic-bezier(.4,.05,.25,1),transform 560ms cubic-bezier(.4,.05,.25,1),visibility 520ms}
.site-dock a{pointer-events:auto}
.site-dock .logo,.site-dock .header-menu{isolation:isolate}
.site-dock .logo::before,.site-dock .header-menu::before{content:"";position:absolute;
  inset:0 -12px;border-radius:999px;background:rgba(248,250,252,.62);
  backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px);z-index:-1}
.site-dock .header-menu::before{inset:0}
.site-dock .logo{opacity:0;transform:translateY(-38px) scale(1.24);transform-origin:0% 50%;
  transition:transform 560ms cubic-bezier(.4,.05,.25,1),opacity 460ms cubic-bezier(.4,.05,.25,1)}
.site-dock .header-menu{opacity:0;transform:translateY(-30px);
  transition:transform 560ms cubic-bezier(.4,.05,.25,1),opacity 460ms cubic-bezier(.4,.05,.25,1)}
.site-dock .header-cta{visibility:hidden;pointer-events:none;opacity:0;
  transform:translateY(-38px) scale(1.24);transform-origin:100% 50%;
  transition:transform 560ms cubic-bezier(.4,.05,.25,1),opacity 460ms cubic-bezier(.4,.05,.25,1),
    background-color 180ms cubic-bezier(.33,.66,.3,1),visibility 560ms}
.site-dock.is-visible{visibility:visible;opacity:1;transform:none;
  transition:opacity 420ms cubic-bezier(.16,.6,.28,1),transform 480ms cubic-bezier(.16,.6,.28,1),visibility 420ms}
.site-dock.is-visible .logo,.site-dock.is-visible .header-menu,
.site-dock.is-visible .header-cta.is-available{visibility:visible;pointer-events:auto;opacity:1;transform:none;
  transition:transform 620ms cubic-bezier(.16,.6,.28,1),opacity 380ms cubic-bezier(.16,.6,.28,1)}
.site-dock.is-visible .logo,.site-dock.is-visible .header-cta.is-available{
  transition:transform 620ms cubic-bezier(.16,.6,.28,1) 40ms,
    opacity 380ms cubic-bezier(.16,.6,.28,1) 40ms,background-color 180ms cubic-bezier(.33,.66,.3,1)}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .site-dock .logo::before,.site-dock .header-menu::before{background:#F8FAFC}
}
@media(max-width:600px){
  html{scroll-padding-top:144px}
  .nit-header .header-row,.site-dock .header-row{grid-template-columns:1fr auto;gap:8px}
  .nit-header .header-cta,.site-dock .header-cta{grid-column:2;grid-row:2}
  .nit-header .header-link,.site-dock .header-link{font-size:15px;padding:0 16px}
}
@media(prefers-reduced-motion:reduce){
  .site-dock,.site-dock .logo,.site-dock .header-menu,.site-dock .header-cta{transition:none!important}
  .site-dock .logo,.site-dock .header-menu,.site-dock .header-cta{transform:none!important}
  html{scroll-behavior:auto}
}