/* kovalev.su — стиль «Индекс» */
:root{
  --bg:#121316; --ash:#1B1C21; --line:#2C2E36;
  --bone:#F2EFE9; --text:#C9CBD2; --mute:#8B8F99;
  --amber:#F0B012; --amber-hover:#FFC53D;
  --on-amber:#121316; --on-amber-mute:#3A3000; --on-amber-label:#5A4200;
  --sans:'IBM Plex Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;
  --disp:'Unbounded','Arial Black',Arial,sans-serif;
  --mono:'JetBrains Mono','SF Mono',Menlo,Consolas,monospace;
  --wrap:1312px; --pad:64px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{background:var(--bg);color:var(--bone);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
p{text-wrap:pretty}
h1,h2,h3,h4{text-wrap:balance;font-weight:inherit}
ul{list-style:none}
b,strong{font-weight:600}
::selection{background:var(--amber);color:var(--on-amber)}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px}

.wrap{width:var(--wrap);max-width:calc(100% - var(--pad)*2);margin:0 auto}
.disp{font-family:var(--disp);font-weight:700;letter-spacing:-.02em;text-transform:uppercase;line-height:1.05}
.mono{font-family:var(--mono);font-weight:500;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--mute)}
.mono.amber,.n{color:var(--amber)}
.lead{font-size:19px;line-height:1.6;color:var(--text);max-width:600px}
.lead b{color:var(--bone);font-weight:600}
.text{font-size:16px;line-height:1.6;color:var(--text);max-width:600px}
.text p+p,.lead+.lead,.lead+.text{margin-top:18px}
.text a,.note a{color:var(--bone);border-bottom:1px solid var(--line);transition:color .2s,border-color .2s}
.text a:hover,.note a:hover{color:var(--amber);border-color:var(--amber)}
.skip{position:absolute;left:-9999px;top:0;background:var(--amber);color:var(--on-amber);padding:10px 16px;z-index:100;font-weight:600}
.skip:focus{left:16px;top:16px}
.sronly{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* кнопка */
.btn{display:inline-flex;align-items:center;gap:12px;background:var(--amber);color:var(--on-amber);font-family:var(--sans);font-weight:600;font-size:15px;line-height:1.2;padding:18px 26px;border-radius:2px;border:0;cursor:pointer;transition:background .2s;white-space:nowrap}
.btn:hover{background:var(--amber-hover);color:var(--on-amber)}
.btn svg{width:20px;height:20px;flex:0 0 20px}
.btn.sm{padding:12px 18px;font-size:13.5px}
.btn.sm svg{width:16px;height:16px;flex-basis:16px}
.mlink{font-family:var(--mono);font-weight:500;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--bone);border-bottom:1px solid var(--line);padding-bottom:4px;transition:color .2s,border-color .2s}
.mlink:hover{color:var(--amber);border-color:var(--amber)}

/* шапка */
.top{height:88px;position:relative;z-index:20}
.top .in{height:88px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:14px;color:var(--bone)}
.brand svg{height:24px;width:auto}
.brand span{font-family:var(--disp);font-weight:700;font-size:14px;letter-spacing:.06em;text-transform:uppercase}
.nav{display:flex;gap:32px}
.nav a{font-family:var(--mono);font-weight:500;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--bone);transition:color .2s;white-space:nowrap}
.nav a:hover,.nav a[aria-current]{color:var(--amber)}
.nav a i{font-style:normal;color:var(--mute);margin-right:6px}
.nav a:hover i,.nav a[aria-current] i{color:var(--amber)}
.hact{display:flex;align-items:center;gap:24px}
.lang{font-family:var(--mono);font-weight:500;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--bone);transition:color .2s}
.lang:hover{color:var(--amber)}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:transparent;cursor:pointer;position:relative;flex:0 0 44px}
.burger span{position:absolute;left:13px;right:13px;height:1.5px;background:var(--bone);transition:transform .25s,opacity .25s}
.burger span:nth-child(1){top:16px}.burger span:nth-child(2){top:21px}.burger span:nth-child(3){top:26px}
body.menu .burger span:nth-child(1){transform:translateY(5px) rotate(45deg)}
body.menu .burger span:nth-child(2){opacity:0}
body.menu .burger span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.mnav{display:none;visibility:hidden}

/* герой */
.hero{position:relative;overflow:hidden}
.hero .wrap{position:relative;padding:56px 0 64px;min-height:700px}
.hero .glow{position:absolute;right:-80px;top:-40px;width:820px;height:820px;border-radius:50%;background:radial-gradient(closest-side,rgba(240,176,18,.26),rgba(240,176,18,0) 72%);pointer-events:none}
.hero .portrait{position:absolute;right:0;bottom:0;width:580px;z-index:1;display:block}
.hero .portrait img{width:100%;height:auto;display:block;-webkit-mask-image:linear-gradient(to bottom,#000 76%,transparent 100%);mask-image:linear-gradient(to bottom,#000 76%,transparent 100%)}
.hero .hc{position:relative;z-index:2;display:flex;flex-direction:column;gap:36px;max-width:760px}
.hero h1{font-size:96px;line-height:.96}
.hero h1 em{font-style:normal;color:var(--amber)}
html[lang=en] .hero h1{font-size:84px}
.hero .acts{display:flex;align-items:center;gap:28px;flex-wrap:wrap}

/* бегущая строка */
.ticker{background:var(--amber);padding:18px 0;overflow:hidden}
.ticker .row{display:flex;gap:56px;white-space:nowrap;width:max-content;animation:tick 40s linear infinite}
.ticker span{font-family:var(--disp);font-weight:500;font-size:22px;text-transform:uppercase;letter-spacing:.02em;color:var(--on-amber)}
@keyframes tick{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.ticker .row{animation:none}}

/* секции */
.sec{padding:96px 0}
.sec.ash{background:var(--ash)}
.shead{display:grid;grid-template-columns:120px 1fr;gap:40px;align-items:end;margin-bottom:48px}
.shead h2,.shead h1{font-size:48px;line-height:1.05}
.h44{font-size:44px!important}

/* строка индекса */
.idx{display:grid;grid-template-columns:120px 1fr 460px 48px;gap:40px;align-items:center;padding:34px 0;border-top:1px solid var(--line);color:var(--bone)}
.idx .n{font-family:var(--mono);font-weight:500;font-size:14px;color:var(--amber)}
.idx h3{font-family:var(--disp);font-weight:500;font-size:40px;line-height:1.05;letter-spacing:-.02em;transition:color .2s}
.idx p{font-size:15.5px;line-height:1.55;color:var(--mute)}
.idx .arr{justify-self:end;transition:transform .2s,color .2s}
.idx .arr svg{width:20px;height:20px}
.idx:hover h3,.idx:hover .arr{color:var(--amber)}
.idx:hover .arr{transform:translateX(6px)}
.idx.small h3{font-size:26px}
.close{border-top:1px solid var(--line)}

/* списки-принципы */
.pr li{display:grid;grid-template-columns:220px 1fr;gap:24px;padding:20px 0;border-top:1px solid var(--line);font-size:15px;line-height:1.5}
.pr li b{font-weight:600;color:var(--bone)}
.pr li span{color:var(--mute)}
.pr li span a{color:var(--text);border-bottom:1px solid var(--line)}
.pr li span a:hover{color:var(--amber);border-color:var(--amber)}

/* двухколоночники */
.g2{display:grid;grid-template-columns:1fr 1fr;gap:80px}
.g440{display:grid;grid-template-columns:440px 1fr;gap:80px}
.col{display:flex;flex-direction:column;gap:32px}
.col.tight{gap:28px}

/* карточки форумов */
.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.card{background:var(--ash);padding:28px 28px 30px;display:flex;flex-direction:column;gap:14px;border-top:2px solid var(--amber)}
.sec.ash .card{background:var(--bg)}
.card h3{font-size:20px;font-weight:600;line-height:1.3}
.card p{font-size:14.5px;line-height:1.55;color:var(--mute)}
.card .role{font-size:13px;color:var(--text)}

/* образование */
.docs li{display:grid;grid-template-columns:120px 1fr 220px;gap:40px;padding:22px 0;border-top:1px solid var(--line);align-items:start}
.docs .y{font-family:var(--mono);font-weight:500;font-size:14px;color:var(--amber);padding-top:3px}
.docs b{display:block;font-size:17px;font-weight:600;color:var(--bone);line-height:1.35}
.docs span{display:block;font-size:14.5px;color:var(--mute);margin-top:4px;line-height:1.5}
.docs .h{font-size:14px;color:var(--mute);text-align:right;padding-top:3px}

/* правовая оговорка / примечание */
.note{display:grid;grid-template-columns:220px 1fr;gap:40px;padding:36px 0;border-top:1px solid var(--line)}
.note .k{font-family:var(--mono);font-weight:500;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--mute);padding-top:4px}
.note p{font-size:15.5px;line-height:1.6;color:var(--text);max-width:720px}
.note p+p{margin-top:14px}

/* страница направления */
.dhero .wrap{padding:48px 0 72px;display:flex;flex-direction:column;gap:32px}
.dhero .crumbs{display:flex;gap:12px;align-items:center}
.dhero .crumbs a{color:var(--mute);transition:color .2s}
.dhero .crumbs a:hover{color:var(--amber)}
.dhero h1{font-size:48px;line-height:1.05;max-width:1000px}
.rows{border-bottom:1px solid var(--line)}
.row3{display:grid;grid-template-columns:120px 1fr 1fr;gap:40px;padding:34px 0;border-top:1px solid var(--line)}
.row3 .n{font-family:var(--mono);font-weight:500;font-size:14px;color:var(--amber);padding-top:4px}
.row3 h3{font-size:20px;font-weight:600;line-height:1.3}
.row3 .d{font-size:15px;color:var(--mute);margin-top:8px;line-height:1.55;max-width:520px}
.row3 ul li{position:relative;padding-left:22px;font-size:15.5px;line-height:1.55;color:var(--text)}
.row3 ul li+li{margin-top:10px}
.row3 ul li::before{content:'';position:absolute;left:0;top:11px;width:10px;height:1px;background:var(--amber)}
.steps li{display:grid;grid-template-columns:220px 1fr;gap:40px;padding:26px 0;border-top:1px solid var(--line)}
.steps .n{font-family:var(--mono);font-weight:500;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--amber)}
.steps h4{font-size:20px;font-weight:600;margin-top:6px;line-height:1.3}
.steps p{font-size:15.5px;line-height:1.6;color:var(--text);max-width:640px}
.mid{display:grid;grid-template-columns:120px 1fr;gap:40px;align-items:end;margin:72px 0 40px}
.mid h2{font-family:var(--disp);font-weight:500;font-size:40px;line-height:1.05;letter-spacing:-.02em}
.mid p{grid-column:2;font-size:17px;line-height:1.6;color:var(--text);max-width:640px;margin-top:-16px}
.secta{display:grid;grid-template-columns:1fr auto;gap:48px;align-items:center;padding:40px 0;border-top:1px solid var(--line)}
.secta p{font-size:19px;line-height:1.5;color:var(--bone);max-width:700px}

/* контакты */
.contact{background:var(--amber);color:var(--on-amber);padding:104px 0}
.contact .wrap{display:grid;grid-template-columns:1fr 420px;gap:64px;align-items:end}
.contact .col{gap:28px}
.contact .mono{color:var(--on-amber-label)}
.contact h2{font-size:72px;line-height:1}
.contact .p{max-width:620px;font-size:17px;line-height:1.6;color:var(--on-amber-mute)}
.contact .mail{font-family:var(--disp);font-weight:700;font-size:44px;letter-spacing:-.03em;line-height:1.1;color:var(--on-amber);word-break:break-all;transition:opacity .2s}
.contact .tel{font-size:26px;font-weight:600;color:var(--on-amber)}
.contact .mail:hover,.contact .tel:hover{opacity:.7}
.contact .hint{font-size:14px;line-height:1.55;color:var(--on-amber-label);max-width:620px}
.contact .cl{display:flex;flex-direction:column;gap:8px;padding-top:8px}
.contact .soc{display:flex;flex-wrap:wrap;gap:22px;margin-top:6px}
.contact .soc a{font-family:var(--mono);font-weight:500;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--on-amber);border-bottom:1px solid rgba(18,19,22,.35);padding-bottom:4px}
.contact .soc a:hover{border-color:var(--on-amber)}
.contact .fol{font-size:14px;line-height:1.55;color:var(--on-amber-mute);max-width:560px}
.contact .pic{position:relative;height:460px;overflow:hidden}
.contact .pic img{position:absolute;left:50%;top:0;transform:translateX(-50%);width:400px;height:auto;-webkit-mask-image:linear-gradient(to bottom,#000 60%,transparent 100%);mask-image:linear-gradient(to bottom,#000 60%,transparent 100%)}

/* кредо + подвал */
.credo{padding:64px 0 0}
.credo p{font-family:var(--disp);font-weight:500;font-size:22px;line-height:1.3;letter-spacing:-.01em;color:var(--bone);max-width:900px}
.foot{padding:40px 0 48px;font-size:13px;color:var(--mute);line-height:1.55}
.foot .r1{display:flex;justify-content:space-between;align-items:flex-start;gap:48px}
.foot .legal{max-width:640px}
.foot .legal b{color:var(--text)}
.foot .fl{display:flex;flex-wrap:wrap;gap:12px 22px;justify-content:flex-end;max-width:360px}
.foot .fl a{font-family:var(--mono);font-weight:500;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--bone);white-space:nowrap;transition:color .2s}
.foot .fl a:hover{color:var(--amber)}
.foot .r2{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-top:32px;padding-top:20px;border-top:1px solid var(--line)}
.foot .r2 a:hover{color:var(--amber)}

/* cookie */
.cookie{position:fixed;left:24px;right:24px;bottom:24px;z-index:50;background:var(--ash);border:1px solid var(--line);padding:22px 26px;display:none;gap:28px;align-items:center;justify-content:space-between;max-width:1100px;margin:0 auto}
.cookie.show{display:flex}
.cookie .txt{font-size:14px;line-height:1.55;color:var(--text);max-width:720px;min-width:0}
.cookie .txt b{display:block;color:var(--bone);margin-bottom:4px}
.cookie .txt a{color:var(--bone);border-bottom:1px solid var(--line)}
.cookie .acts{display:flex;gap:12px;flex:0 0 auto}
.cookie button{font-family:var(--sans);font-weight:600;font-size:14px;padding:13px 20px;border-radius:2px;cursor:pointer;border:1px solid var(--amber);background:var(--amber);color:var(--on-amber);transition:background .2s}
.cookie button:hover{background:var(--amber-hover)}
.cookie button.min{background:transparent;color:var(--bone);border-color:var(--line)}
.cookie button.min:hover{background:transparent;border-color:var(--bone)}

/* 404 */
.e404 .wrap{min-height:60vh;display:flex;flex-direction:column;gap:28px;justify-content:center;padding:96px 0}
.e404 .code{font-family:var(--mono);font-weight:500;font-size:14px;color:var(--amber);letter-spacing:.08em}
.e404 h1{font-size:64px;line-height:1}
.e404 p{max-width:600px;color:var(--text);font-size:17px}

/* появление */
html.js .rv{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
html.js .rv.in{opacity:1;transform:none}
.hero .hc>*{animation:up .5s ease both}
.hero .hc>*:nth-child(1){animation-delay:.05s}.hero .hc>*:nth-child(2){animation-delay:.13s}.hero .hc>*:nth-child(3){animation-delay:.21s}.hero .hc>*:nth-child(4){animation-delay:.29s}
.hero .portrait{animation:fade .7s ease .2s both}
@keyframes up{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@media (prefers-reduced-motion:reduce){
  html.js .rv{opacity:1;transform:none;transition:none}
  .hero .hc>*,.hero .portrait{animation:none}
  .idx .arr,.btn,.nav a{transition:none}
}

/* ─── адаптив ─── */
@media (max-width:1440px){.wrap{width:auto}}
@media (max-width:1120px){
  .nav{display:none}
  .burger{display:block}
  .hact .btn{display:none}
  .mnav{display:block;position:fixed;inset:88px 0 0 0;background:var(--bg);z-index:19;padding:24px var(--pad) 40px;overflow:hidden auto;transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s,visibility 0s .25s}
  body.menu .mnav{opacity:1;transform:none;pointer-events:auto;visibility:visible;transition:opacity .25s,transform .25s}
  body.menu{overflow:hidden}
  .mnav a.m{display:grid;grid-template-columns:48px 1fr;gap:16px;align-items:center;padding:20px 0;border-top:1px solid var(--line);font-family:var(--disp);font-weight:500;font-size:22px;letter-spacing:-.02em;color:var(--bone);overflow-wrap:anywhere;min-width:0}
  .mnav a.m:last-of-type{border-bottom:1px solid var(--line)}
  .mnav a.m i{font-family:var(--mono);font-style:normal;font-weight:500;font-size:12.5px;letter-spacing:.08em;color:var(--amber)}
  .mnav .mb{margin-top:32px;display:flex;flex-direction:column;gap:20px}
  .mnav .mb .btn{width:100%;justify-content:center}
  .hero h1,html[lang=en] .hero h1{font-size:72px}
  .hero .portrait{width:460px}
  .idx{grid-template-columns:100px 1fr 340px 40px;gap:28px}
  .idx h3{font-size:32px}
  .g440{grid-template-columns:360px 1fr;gap:56px}
  .g2{gap:56px}
  .contact h2{font-size:56px}
  .contact .mail{font-size:36px}
}
@media (max-width:900px){
  .hero .wrap{min-height:0;padding-bottom:56px}
  .hero .portrait{position:relative;width:300px;margin:0 auto 24px;right:auto;bottom:auto}
  .hero .glow{right:-160px;top:-200px;width:620px;height:620px}
  .hero .hc{max-width:none}
  .g2,.g440{grid-template-columns:1fr;gap:48px}
  .cards{grid-template-columns:1fr}
  .contact .wrap{grid-template-columns:1fr;gap:48px}
  .contact .pic{height:300px;order:2}
  .contact .pic img{width:260px}
  .idx{grid-template-columns:1fr 32px;gap:8px 16px;padding:24px 0;align-items:start}
  .idx .n{grid-column:1/-1}
  .idx h3{font-size:30px}
  .idx p{grid-column:1/-1}
  .idx .arr{grid-row:2;grid-column:2;padding-top:6px}
  .row3{grid-template-columns:100px 1fr;gap:24px}
  .row3 ul{grid-column:2}
  .docs li{grid-template-columns:100px 1fr;gap:24px}
  .docs .h{grid-column:2;text-align:left;padding-top:0;margin-top:-4px}
  .shead,.mid{grid-template-columns:1fr;gap:16px;align-items:start}
  .mid p{grid-column:1;margin-top:0}
  .secta{grid-template-columns:1fr;gap:24px}
  .foot .r1{flex-direction:column;gap:28px}
  .foot .fl{justify-content:flex-start;max-width:none}
}
@media (max-width:760px){
  :root{--pad:20px}
  body{font-size:15px}
  .sec{padding:64px 0}
  .hero .wrap{padding-top:24px}
  .hero .portrait{width:240px}
  .hero h1,html[lang=en] .hero h1{font-size:52px;line-height:.98}
  .hero .hc{gap:28px}
  .hero .acts{flex-direction:column;align-items:stretch;gap:20px}
  .hero .acts .btn{justify-content:center}
  .hero .acts .mlink{align-self:flex-start}
  .ticker span{font-size:16px}
  .ticker .row{gap:32px}
  .shead h2,.shead h1,.dhero h1{font-size:32px}
  .h44{font-size:32px!important}
  .idx{grid-template-columns:1fr 32px;gap:8px 16px;padding:24px 0;align-items:start}
  .idx .n{grid-column:1/-1}
  .idx h3{font-size:26px}
  .idx p{grid-column:1/-1}
  .idx .arr{grid-row:2;grid-column:2;padding-top:6px}
  .idx.small h3{font-size:22px}
  .pr li,.note,.steps li{grid-template-columns:1fr;gap:8px}
  .row3{grid-template-columns:1fr;gap:12px}
  .row3 ul{grid-column:1}
  .docs li{grid-template-columns:1fr;gap:6px}
  .docs .h{grid-column:1}
  .mid h2{font-size:28px}
  .contact{padding:72px 0}
  .contact h2{font-size:40px}
  .contact .mail{font-size:26px}
  .contact .tel{font-size:22px}
  .contact .pic{height:260px}
  .credo p{font-size:18px}
  .cookie{left:12px;right:12px;bottom:12px;flex-direction:column;align-items:stretch;gap:16px;padding:18px}
  .cookie .acts{flex-direction:column}
  .cookie button{width:100%}
  .e404 h1{font-size:40px}
  .lead{font-size:17px}
}
@media (max-width:360px){
  .hero h1,html[lang=en] .hero h1{font-size:44px}
  .shead h2,.shead h1,.dhero h1,.h44{font-size:28px!important}
  h1,h2,h3{overflow-wrap:anywhere}
  .idx h3{font-size:24px}
  .contact h2{font-size:34px}
  .contact .mail{font-size:22px}
}

/* EN: длинный заголовок не должен заходить на портрет (v3) */
@media (min-width:901px) and (max-width:1200px){
  html[lang=en] .hero .portrait{position:relative;width:300px;margin:0 auto 24px;right:auto;bottom:auto}
  html[lang=en] .hero .wrap{min-height:0;padding-bottom:56px}
  html[lang=en] .hero .glow{right:-160px;top:-200px;width:620px;height:620px}
  html[lang=en] .hero h1{font-size:72px}
}
@media (min-width:1201px){
  html[lang=en] .hero h1{font-size:60px}
  html[lang=en] .hero .hc{max-width:480px}
}