@font-face{font-family:"Raleway";src:url(../fonts/Raleway-var.woff2) format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Plex Mono";src:url(../fonts/IBMPlexMono-Regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex Mono";src:url(../fonts/IBMPlexMono-Medium.woff2) format("woff2");font-weight:500;font-display:swap}

:root{
  --f-sans:"Raleway",system-ui,sans-serif;
  --f-mono:"Plex Mono",ui-monospace,monospace;
  --t-xs:clamp(.72rem,.7rem + .1vw,.78rem);
  --t-sm:clamp(.86rem,.84rem + .12vw,.94rem);
  --t-base:clamp(1rem,.97rem + .15vw,1.08rem);
  --t-lg:clamp(1.2rem,1.1rem + .5vw,1.5rem);
  --t-xl:clamp(1.7rem,1.3rem + 1.6vw,2.6rem);
  --t-2xl:clamp(2.4rem,1.6rem + 3.4vw,4.6rem);
  --t-hero:clamp(2.6rem,1.2rem + 6vw,7.4rem);
  --pad:clamp(1.25rem,4vw,4rem);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --ease-snap:cubic-bezier(.7,0,.2,1);
  --amber:#E3A857;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-rendering:optimizeLegibility}
body{margin:0;font-family:var(--f-sans);font-size:var(--t-base);line-height:1.55;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3,p{margin:0}
.mono{font-family:var(--f-mono);letter-spacing:.06em}
.caps{text-transform:uppercase;letter-spacing:.16em}
.muted{color:var(--muted)}
.skip{position:absolute;left:-9999px;top:0;z-index:100;background:var(--ink);color:var(--bg);padding:.6rem 1rem}
.skip:focus{left:1rem;top:1rem}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.mk{width:100%;height:100%}

/* header */
.hdr{position:fixed;inset:0 0 auto 0;z-index:40;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem var(--pad);pointer-events:none}
.hdr>*{pointer-events:auto}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none}
.brand .ic{width:28px;height:28px;flex:none}
.brand .wm{font-weight:300;font-size:.8rem;letter-spacing:.32em;text-transform:uppercase;white-space:nowrap}
.nav{display:flex;align-items:center;gap:clamp(.8rem,2vw,2rem);font-size:var(--t-sm)}
.nav a{text-decoration:none;color:var(--muted);transition:color .2s}
.nav a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:.6rem;min-height:44px;padding:.7rem 1.25rem;border-radius:2px;font:500 var(--t-sm)/1 var(--f-sans);letter-spacing:.02em;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .25s var(--ease-out),background .2s,color .2s,border-color .2s}
.btn:active{transform:scale(.98)}
.btn-solid{background:var(--accent);color:var(--on-accent)}
.btn-line{border-color:var(--line-strong);color:var(--ink);background:transparent}
.btn-line:hover{border-color:var(--ink)}
.arrow{font-family:var(--f-mono)}

.foot{padding:3rem var(--pad) 2rem;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:1.5rem;align-items:end;font-size:var(--t-xs);color:var(--muted)}
.foot .row{display:flex;gap:1.5rem;flex-wrap:wrap;align-items:center}
.foot a{text-decoration:none}
.foot a:hover{color:var(--ink)}
.sig{letter-spacing:.04em}

@media (max-width:760px){
  .nav .hide-m{display:none}
  .brand .wm{display:none}
  .foot{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}

.sig{display:inline-flex;align-items:center;gap:.65rem;text-decoration:none!important}
.sig img{height:30px;width:auto;opacity:.82;transition:opacity .2s}
.sig:hover img{opacity:1}
.au-logo{display:flex;justify-content:flex-end;margin-top:1.4rem}
.au-logo a{display:inline-block;opacity:.85;transition:opacity .2s}
.au-logo a:hover{opacity:1}
.au-logo img{height:64px;width:auto}
.sig img{height:26px}
.au-logo img{height:58px}
.au-lnk{text-decoration:none;border-bottom:1px solid currentColor;padding-bottom:1px;transition:color .2s}
.au-lnk:hover{color:var(--amber)}

/* v1.5: универсальный центрированный контейнер */
.wrap{max-width:1440px;margin:0 auto}
@media (min-width:1920px){ body>.wrap{max-width:1720px} }

/* v1.5: якоря не прячутся под фиксированной шапкой */
html{scroll-padding-top:5.5rem;scroll-behavior:smooth}
/* v1.6: подпись всегда справа внизу */
.foot .sig{justify-self:end}
/* v1.7: единая колонка контента на широких экранах (на телефоне = --pad, без изменений) */
:root{--wrap:1240px;--padx:max(var(--pad),calc((100vw - var(--wrap)) / 2))}
@media (min-width:761px){
html body .hdr,html body .foot,
html body .heights,html body .log,html body .author,html body .contact,
html body .asm,html body .card,html body .diag,html body .vl,
html body .lsec,html body .lh,html body .o-hero{padding-left:var(--padx);padding-right:var(--padx)}
}
/* v1.8: телефон — без увеличения при вводе (поля 16 px) и только вертикально */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;touch-action:manipulation}
@media (max-width:760px){input,textarea,select{font-size:16px!important}}
.k15-rot{display:none}
@media (orientation:landscape) and (max-height:520px) and (pointer:coarse){
  body{overflow:hidden}
  .k15-rot{display:flex;position:fixed;inset:0;z-index:9999;flex-direction:column;align-items:center;justify-content:center;gap:1rem;background:#F6F6F3;color:#16181B;font-family:Raleway,system-ui,sans-serif;font-size:1.1rem;text-align:center;padding:2rem}
  .k15-rot svg{width:54px;height:54px}
}
/* v1.9 · кабинет в шапке, документы в подвале, уведомление о cookie */
.nav a.nav-cab{color:var(--accent);border:1px solid currentColor;padding:.42rem .8rem;border-radius:2px;line-height:1;white-space:nowrap}
.nav a.nav-cab:hover{color:var(--on-accent);background:var(--accent);border-color:var(--accent)}
.foot .foot-legal{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:.4rem 1.4rem;font-size:var(--t-xs);letter-spacing:.06em;padding-top:1rem;border-top:1px solid var(--line);opacity:.85}
.foot .foot-legal a{color:var(--muted)}
.foot .foot-legal a:hover{color:var(--ink)}
.k15-ck{position:fixed;left:50%;bottom:calc(14px + env(safe-area-inset-bottom));z-index:90;width:min(760px,calc(100% - 24px));display:flex;align-items:center;gap:1rem 1.4rem;padding:.9rem 1rem .9rem 1.2rem;background:#16181B;color:#ECEAE4;font-size:var(--t-sm);line-height:1.45;box-shadow:0 18px 40px -16px rgba(0,0,0,.45);transform:translate(-50%,24px);opacity:0;transition:transform .45s var(--ease-out),opacity .35s}
.k15-ck.in{transform:translate(-50%,0);opacity:1}
.k15-ck.out{transform:translate(-50%,24px);opacity:0}
.k15-ck p{margin:0;flex:1}
.k15-ck a{color:#fff;text-decoration:underline;text-underline-offset:2px}
.k15-ck .btn{flex:none;min-height:40px;padding:.55rem 1.1rem;background:#2347D6;color:#fff;border-color:#2347D6}
@media (max-width:760px){
  .k15-ck{flex-direction:column;align-items:stretch;gap:.7rem;font-size:var(--t-xs)}
  .k15-ck .btn{justify-content:center}
  .nav a.nav-cab{padding:.38rem .65rem}
}
[hidden]{display:none!important}