:root{--bg:#050B14;--bg2:#0A1424;--blue:#1677FF;--cyan:#00D9FF;--text:#F5F7FA;--mute:#94A3B8;--line:#1E293B;--r:12px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{background:var(--bg);color:var(--text);font:16px/1.65 "Segoe UI",system-ui,-apple-system,Roboto,sans-serif;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--blue);padding:8px 14px;border-radius:6px;z-index:200}
.skip:focus{left:8px}
.wrap{width:min(1120px,92%);margin:0 auto}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em}
h2{font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:20px}
h3{font-size:1.1rem}
p{color:var(--mute)}
.lead{font-size:1.15rem;max-width:620px}
.accent{color:var(--cyan);font-weight:600;margin-bottom:12px}
.sec{padding:96px 0}
.alt{background:var(--bg2);border-block:1px solid var(--line)}
.center{text-align:center}.center .lead{margin:0 auto 40px}
.split{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
.grid{display:grid;gap:20px;margin-top:36px}
.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.center .g4{margin:0 0 40px}

.btn{display:inline-block;padding:13px 24px;border-radius:8px;font-weight:600;border:1px solid transparent;cursor:pointer;font:inherit;font-weight:600;transition:background .2s,border-color .2s,transform .2s}
.btn-p{background:var(--blue);color:#fff}.btn-p:hover{background:#2d86ff;transform:translateY(-1px)}
.btn-o{border-color:var(--line);color:var(--text);background:transparent}.btn-o:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-s{padding:9px 18px;font-size:.92rem}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}

.nav{position:sticky;top:0;z-index:100;background:rgba(5,11,20,.82);backdrop-filter:blur(8px);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}
.nav.scrolled{border-color:var(--line);background:rgba(5,11,20,.96)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.14em}
.menu{display:flex;align-items:center;gap:26px}
.menu a:not(.btn){color:var(--mute);font-size:.95rem;padding:4px 0;border-bottom:2px solid transparent;transition:color .2s}
.menu a:not(.btn):hover,.menu a.active{color:var(--text);border-color:var(--cyan)}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:8px;width:44px;height:44px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.burger span{width:20px;height:2px;background:var(--text);transition:transform .25s,opacity .25s}
.burger[aria-expanded=true] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded=true] span:nth-child(2){opacity:0}
.burger[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.hero{padding:120px 0 110px;position:relative;overflow:hidden;
 background:radial-gradient(ellipse 60% 50% at 80% 10%,rgba(22,119,255,.14),transparent 70%)}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:56px 56px;opacity:.35;-webkit-mask-image:radial-gradient(ellipse 70% 70% at 50% 40%,#000,transparent 75%);mask-image:radial-gradient(ellipse 70% 70% at 50% 40%,#000,transparent 75%)}
.hero .wrap{position:relative}
.hero h1{font-size:clamp(2.8rem,8vw,5.6rem);margin:22px 0;letter-spacing:-.035em}
.badge{display:inline-block;border:1px solid var(--line);background:var(--bg2);color:var(--cyan);padding:6px 16px;border-radius:99px;font-size:.85rem}

.hl{display:grid;gap:16px}
.hl li{display:flex;gap:16px;padding:20px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg)}
.hl p{font-size:.95rem}
svg{width:26px;height:26px;flex:none;fill:none;stroke:var(--cyan);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}

.card{padding:28px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg2);transition:transform .25s,border-color .25s}
.card:hover{transform:translateY(-4px);border-color:var(--blue)}
.card svg{margin-bottom:16px;width:30px;height:30px}
.card h3{margin-bottom:8px}.card p{font-size:.95rem}
.alt .card{background:var(--bg)}
.proj{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.proj p{flex:1}
.tag{font-size:.8rem;color:var(--cyan);border:1px solid var(--line);padding:3px 12px;border-radius:99px}
.pill{padding:22px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg2);font-weight:600}

.details{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:var(--r);background:var(--bg);overflow:hidden}
.details div{padding:20px 22px;border:solid var(--line);border-width:0 1px 1px 0}
.details div:nth-child(2n){border-right:0}.details div:nth-last-child(-n+2){border-bottom:0}
dt{color:var(--mute);font-size:.85rem}dd{font-weight:600;margin-top:2px}
#regBtn{margin-top:26px}

.why{padding:6px 0 6px 20px;border-left:2px solid var(--blue)}
.why h3{margin-bottom:8px}.why p{font-size:.95rem}

.photo{
  width:100%;
  max-width:420px;
  aspect-ratio:1;
  margin:0 auto;
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg);
  padding:8px;
}

.photo img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center center;
  border-radius:14px;
}
.name{font-size:1.5rem;margin-bottom:4px}

.contacts{margin-top:28px;display:grid;gap:14px}
.contacts li{display:flex;flex-direction:column;border-bottom:1px solid var(--line);padding-bottom:12px}
.contacts span{font-size:.85rem;color:var(--mute)}
.contacts a:hover{color:var(--cyan)}
.form{display:grid;gap:16px;padding:30px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg2)}
label{display:grid;gap:6px;font-size:.9rem;color:var(--mute)}
input,select,textarea{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:12px 14px;width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--cyan)}
.note{min-height:1.4em;font-size:.9rem}
.note.err{color:#ff8a8a}.note.ok{color:var(--cyan)}

.foot{border-top:1px solid var(--line);background:var(--bg2);padding:44px 0 24px}
.foot-in{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.soc{display:flex;gap:22px;flex-wrap:wrap;align-items:flex-start}
.soc a{color:var(--mute)}.soc a:hover{color:var(--cyan)}
.copy{text-align:center;font-size:.85rem;margin-top:32px}

.js .rv{opacity:0;transform:translateY(14px);transition:opacity .6s,transform .6s}
.js .rv.in{opacity:1;transform:none}

@media(max-width:960px){.g3{grid-template-columns:1fr 1fr}.g4{grid-template-columns:1fr 1fr}.split{grid-template-columns:1fr;gap:36px}}
@media(max-width:820px){
 .burger{display:flex}
 .menu{position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:8px 4%;display:none}
 .menu.open{display:flex}
 .menu a:not(.btn){padding:14px 0;border-bottom:1px solid var(--line)}
 .menu .btn{margin:14px 0;text-align:center}
}
@media(max-width:600px){.g3,.g4{grid-template-columns:1fr}.sec{padding:68px 0}.hero{padding:80px 0}.details{grid-template-columns:1fr}.details div{border-right:0!important;border-bottom:1px solid var(--line)!important}.details div:last-child{border-bottom:0!important}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}.js .rv{opacity:1;transform:none}}