:root{
    --bg:#000;
    --bg-card:rgba(8,8,8,0.86);
    --bg-card-hi:rgba(14,14,14,0.92);
    --border:rgba(255,255,255,0.08);
    --border-hi:rgba(255,255,255,0.16);
    --text:#f7f7f7;
    --text-2:rgba(247,247,247,0.66);
    --text-3:rgba(247,247,247,0.42);
    --accent:#0ea5e9;
    --accent-hi:#53cbf3;
    --accent-soft:rgba(14,165,233,0.10);
    --accent-glow:rgba(83,203,243,0.35);
    --radius:20px;
    --radius-sm:14px;
    --shadow:0 1px 0 rgba(255,255,255,0.03) inset,0 22px 64px -42px rgba(0,0,0,0.9);
    --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
html,body{
    background:var(--bg);
    color:var(--text);
    font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;
    font-weight:400;
    line-height:1.5;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
}
body{
    min-height:100vh;
    background:
        radial-gradient(ellipse 72% 40% at 50% -8%,rgba(14,165,233,0.07),transparent 62%),
        radial-gradient(ellipse 90% 80% at 50% 0%,#080808 0%,#030303 52%,#000 100%);
}
::selection{background:var(--accent);color:#001018;}
a{color:inherit;text-decoration:none;}
svg{display:block;}

html[data-lang="ru"] [data-l="en"],
html[data-lang="en"] [data-l="ru"]{display:none;}

.bg-video{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;background:#000;}
.bg-video video{
    position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
    opacity:0;transition:opacity 1.4s ease;will-change:opacity;
}
.bg-video.is-ready video{opacity:0.32;}
.bg-video::after{
    content:"";position:absolute;inset:0;
    background:
        radial-gradient(ellipse 100% 70% at 50% -10%,rgba(14,165,233,0.10),transparent 55%),
        radial-gradient(ellipse 120% 90% at 50% 50%,transparent 28%,rgba(0,0,0,0.66) 100%),
        linear-gradient(180deg,rgba(0,0,0,0.62) 0%,rgba(0,0,0,0.78) 52%,rgba(0,0,0,0.92) 100%);
}
.bg-glow{
    position:fixed;inset:0;pointer-events:none;z-index:0;
    background:
        radial-gradient(ellipse 70% 34% at 50% 0%,rgba(83,203,243,0.06),transparent 66%),
        radial-gradient(circle 520px at 12% 18%,rgba(255,255,255,0.022),transparent 70%),
        radial-gradient(circle 500px at 88% 76%,rgba(14,165,233,0.04),transparent 72%);
}
@media (max-width:768px){.bg-video{display:none;}}
@media (prefers-reduced-motion:reduce){.bg-video{display:none;}}

main{position:relative;z-index:1;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,4vw,40px);}
.mono{font-variant-numeric:tabular-nums;}

.nav{
    position:sticky;top:0;z-index:50;
    display:flex;align-items:center;justify-content:space-between;gap:20px;
    min-height:56px;padding:12px clamp(18px,4vw,40px);
    background:rgba(0,0,0,0.72);
    backdrop-filter:blur(12px) saturate(140%);
    -webkit-backdrop-filter:blur(12px) saturate(140%);
    border-bottom:1px solid transparent;
    transition:border-color .25s ease,background .25s ease;
}
.nav.is-scrolled{background:rgba(0,0,0,0.88);border-bottom-color:var(--border);}
.brand{display:inline-flex;align-items:center;gap:11px;font-weight:600;letter-spacing:0.16em;font-size:12px;color:var(--text);flex-shrink:0;}
.brand-icon{width:26px;height:26px;border-radius:7px;overflow:hidden;flex-shrink:0;box-shadow:0 0 16px -8px var(--accent-glow);}
.brand-icon svg{width:100%;height:100%;}
.brand-text{text-transform:uppercase;white-space:nowrap;}
.brand-text .suffix{color:var(--text-3);font-weight:500;}
.nav-links{display:flex;gap:clamp(14px,1.8vw,26px);font-size:13.5px;color:var(--text-2);}
.nav-links a{transition:color .2s ease;white-space:nowrap;}
.nav-links a:hover{color:var(--text);}
.nav-links a.active{color:var(--text);}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.lang{display:inline-flex;border:1px solid var(--border);border-radius:999px;overflow:hidden;}
.lang button{appearance:none;background:transparent;border:0;color:var(--text-3);font:inherit;font-size:11.5px;font-weight:600;letter-spacing:0.06em;padding:7px 11px;cursor:pointer;transition:color .2s ease,background .2s ease;}
.lang button:hover{color:var(--text);}
.lang button.active{color:var(--text);background:rgba(255,255,255,0.07);}
.burger{display:none;width:40px;height:40px;border:1px solid var(--border);border-radius:12px;background:transparent;cursor:pointer;padding:0;position:relative;}
.burger span{position:absolute;left:11px;right:11px;height:1.5px;background:var(--text-2);transition:transform .25s ease,opacity .2s ease;}
.burger span:nth-child(1){top:14px;}
.burger span:nth-child(2){top:19px;}
.burger span:nth-child(3){top:24px;}
body.menu-open .burger span:nth-child(1){transform:translateY(5px) rotate(45deg);}
body.menu-open .burger span:nth-child(2){opacity:0;}
body.menu-open .burger span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:10px;
    height:44px;padding:0 22px;border-radius:var(--radius);
    font-weight:500;font-size:15px;letter-spacing:0.005em;
    border:1px solid transparent;cursor:pointer;white-space:nowrap;
    transition:transform .15s ease,opacity .2s ease,background .25s ease,border-color .25s ease,color .25s ease;
}
.btn-sm{height:36px;padding:0 16px;font-size:13px;border-radius:14px;}
.btn-primary{
    color:#fff;
    background:radial-gradient(ellipse at 80% 12%,rgba(83,203,243,1) 0%,rgba(14,165,233,1) 50%,rgba(2,132,199,1) 75%,rgba(3,105,161,1) 100%);
    box-shadow:0 1px 0 rgba(255,255,255,0.16) inset,0 18px 36px -20px var(--accent-glow);
}
.btn-primary:hover{opacity:0.92;transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text-2);}
.btn-ghost:hover{background:rgba(255,255,255,0.04);color:var(--text);border-color:var(--border-hi);}

.eyebrow{
    display:inline-flex;align-items:center;gap:10px;
    font-size:12px;font-weight:500;letter-spacing:0.2em;text-transform:uppercase;
    color:var(--text-2);padding:8px 15px;border:1px solid var(--border);border-radius:999px;
    background:rgba(255,255,255,0.02);
}
.eyebrow-accent{color:var(--accent-hi);border-color:rgba(83,203,243,0.2);background:var(--accent-soft);}
.hl{color:var(--accent-hi);}

.hero{
    position:relative;min-height:calc(100vh - 64px);
    display:flex;align-items:center;
    padding:clamp(60px,10vh,120px) 0 clamp(48px,7vh,90px);
}
.hero-inner{max-width:900px;}
.hero h1{
    font-size:clamp(38px,6vw,68px);font-weight:600;line-height:1.05;letter-spacing:-0.02em;
    margin:24px 0 22px;max-width:16ch;
}
.hero-lead{font-size:clamp(16px,1.6vw,19px);line-height:1.6;color:var(--text-2);max-width:52ch;}
.hero-facts{
    display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:clamp(40px,6vh,64px);
    background:var(--border);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;
    backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.fact{background:rgba(8,8,8,0.72);padding:20px 22px;}
.fact dt{font-size:11px;letter-spacing:0.16em;text-transform:uppercase;color:var(--text-3);margin-bottom:9px;}
.fact dd{font-size:15px;font-weight:500;color:var(--text);}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:clamp(28px,4vh,40px);}

.page-hero{padding:clamp(52px,9vh,110px) 0 clamp(14px,3vh,30px);}
.page-hero h1{font-size:clamp(32px,5vw,56px);font-weight:600;line-height:1.06;letter-spacing:-0.02em;margin:22px 0 20px;max-width:20ch;}
.page-hero .lead{font-size:clamp(16px,1.6vw,19px);line-height:1.62;color:var(--text-2);max-width:60ch;}

.section{position:relative;max-width:var(--maxw);margin:0 auto;padding:clamp(56px,9vh,120px) clamp(20px,4vw,40px);border-top:1px solid rgba(255,255,255,0.04);}
.sec-head{margin-bottom:clamp(36px,5vh,52px);max-width:760px;}
.sec-head h2{font-size:clamp(28px,4.2vw,46px);font-weight:600;line-height:1.1;letter-spacing:-0.02em;margin-top:18px;}
.sec-head p{font-size:clamp(15px,1.4vw,17px);line-height:1.65;color:var(--text-2);max-width:640px;margin-top:18px;}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .9s cubic-bezier(.16,1,.3,1),transform .9s cubic-bezier(.16,1,.3,1);}
.reveal.is-visible{opacity:1;transform:none;}

.card{
    position:relative;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
    box-shadow:var(--shadow);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}

.registry{padding:clamp(34px,4vw,46px) clamp(26px,3.4vw,48px);}
.registry-head{display:flex;justify-content:space-between;align-items:baseline;gap:14px;flex-wrap:wrap;padding-bottom:22px;margin-bottom:28px;border-bottom:1px solid var(--border);}
.registry-head h2{font-size:clamp(20px,2.4vw,26px);font-weight:600;letter-spacing:-0.01em;}
.status-tag{
    display:inline-flex;align-items:center;gap:8px;font-size:11px;letter-spacing:0.08em;text-transform:uppercase;
    color:var(--accent-hi);border:1px solid rgba(83,203,243,0.28);background:var(--accent-soft);padding:6px 12px;border-radius:999px;
}
.status-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-hi);box-shadow:0 0 8px var(--accent-glow);}
.registry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px 44px;}
.reg dt{font-size:11px;letter-spacing:0.08em;text-transform:uppercase;color:var(--text-3);margin-bottom:8px;}
.reg dd{font-size:15.5px;color:var(--text);}
.reg dd.tbd{color:var(--text-3);font-style:italic;}

.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.pillar{padding:30px 28px;}
.pillar .num{font-size:12px;letter-spacing:0.06em;color:var(--accent-hi);}
.pillar .kicker{font-size:11px;letter-spacing:0.14em;text-transform:uppercase;color:var(--text-3);margin-top:12px;}
.pillar h3{font-size:19px;font-weight:600;margin:9px 0 10px;}
.pillar p{font-size:14.5px;line-height:1.6;color:var(--text-2);}

.steps{display:grid;gap:14px;}
.step{display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:start;padding:28px 30px;}
.step .idx{font-size:clamp(30px,3.4vw,44px);font-weight:600;line-height:1;color:transparent;-webkit-text-stroke:1px rgba(83,203,243,0.5);}
.step h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.step p{color:var(--text-2);font-size:15px;line-height:1.65;max-width:72ch;}

.about{display:grid;grid-template-columns:210px 1fr;gap:44px;margin-bottom:clamp(28px,4vh,44px);}
.about:last-child{margin-bottom:0;}
.about .label{font-size:12px;letter-spacing:0.1em;text-transform:uppercase;color:var(--text-3);padding-top:4px;}
.about p{font-size:16px;line-height:1.7;color:var(--text-2);max-width:66ch;}
.about p+p{margin-top:14px;}
.about a{color:var(--accent-hi);}
.about a:hover{text-decoration:underline;}

.product{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,4vw,56px);align-items:center;}
.product h3{font-size:clamp(22px,2.4vw,26px);font-weight:600;margin-bottom:16px;}
.product p{color:var(--text-2);font-size:16px;line-height:1.65;margin-bottom:14px;}
.facts{list-style:none;margin-top:24px;}
.facts li{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-top:1px solid var(--border);font-size:14.5px;}
.facts li:last-child{border-bottom:1px solid var(--border);}
.facts li span:first-child{color:var(--text-3);font-size:12.5px;letter-spacing:0.05em;text-transform:uppercase;}
.facts li span:last-child{color:var(--text);text-align:right;}
.facts-card{padding:clamp(26px,3vw,40px) clamp(26px,3.4vw,48px);}
.facts-card .facts{margin-top:0;}
.product-visual{
    position:relative;aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;
    border:1px solid rgba(83,203,243,0.16);
    background:linear-gradient(160deg,rgba(14,165,233,0.06) 0%,rgba(8,8,8,0.9) 72%);
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 1px 0 rgba(255,255,255,0.03) inset,0 24px 72px -44px var(--accent-glow);
}
.product-visual::before{
    content:"";position:absolute;inset:0;
    background:radial-gradient(ellipse 60% 60% at 50% 40%,rgba(83,203,243,0.14),transparent 70%);
}
.product-visual .glyph{position:relative;width:38%;filter:drop-shadow(0 0 30px rgba(83,203,243,0.35));opacity:0.92;}

.team{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.team-cell{padding:34px 30px;}
.team-cell .figure{font-size:clamp(40px,4.4vw,52px);font-weight:600;letter-spacing:-0.03em;color:transparent;-webkit-text-stroke:1px rgba(83,203,243,0.55);line-height:1;}
.team-cell .figure sup{font-size:0.4em;vertical-align:super;-webkit-text-stroke:0.6px rgba(83,203,243,0.55);}
.team-cell p{font-size:14.5px;color:var(--text-2);margin-top:14px;}

.notes{display:grid;gap:16px;}
.note{display:grid;grid-template-columns:170px 1fr;gap:26px;padding:28px 30px;}
.note-tag{display:inline-flex;align-items:center;gap:7px;font-size:11px;letter-spacing:0.08em;text-transform:uppercase;color:var(--text-3);border:1px solid var(--border);border-radius:999px;padding:6px 12px;}
.note-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--text-3);}
.note h3{font-size:18px;font-weight:600;margin-bottom:9px;}
.note p{color:var(--text-2);font-size:15px;line-height:1.6;max-width:70ch;}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.contact-card{padding:34px 32px;}
.contact-card h3{font-size:12px;letter-spacing:0.1em;text-transform:uppercase;color:var(--text-3);margin-bottom:18px;}
.contact-card p{font-size:16.5px;color:var(--text);margin-bottom:11px;}
.contact-card p.strong{font-weight:600;}
.contact-card p.tbd{color:var(--text-3);font-style:italic;font-size:15px;}

.cta{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;padding:clamp(32px,4vw,50px);}
.cta h2{font-size:clamp(22px,2.6vw,30px);font-weight:600;letter-spacing:-0.01em;}
.cta p{color:var(--text-2);margin-top:10px;max-width:54ch;font-size:15.5px;line-height:1.6;}

.prose{max-width:772px;}
.prose .updated{font-size:13px;letter-spacing:0.04em;text-transform:uppercase;color:var(--text-3);margin-bottom:30px;}
.prose h2{font-size:clamp(19px,2vw,23px);font-weight:600;letter-spacing:-0.01em;margin:36px 0 12px;}
.prose p{color:var(--text-2);font-size:16px;line-height:1.78;margin-bottom:15px;}
.prose p:first-of-type{color:var(--text-2);}
.prose a{color:var(--accent-hi);}
.prose a:hover{text-decoration:underline;}

.foot{position:relative;z-index:1;border-top:1px solid var(--border);background:rgba(4,6,10,0.6);}
.foot-inner{max-width:var(--maxw);margin:0 auto;padding:clamp(48px,7vh,70px) clamp(20px,4vw,40px) 0;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid var(--border);}
.foot-col h4{font-size:12px;letter-spacing:0.1em;text-transform:uppercase;color:var(--text-3);margin-bottom:16px;}
.foot-col a,.foot-col p{display:block;font-size:14.5px;color:var(--text-2);margin-bottom:9px;}
.foot-col a{transition:color .2s ease;}
.foot-col a:hover{color:var(--text);}
.foot-col .strong{color:var(--text);font-weight:500;}
.foot-col .tbd{color:var(--text-3);font-style:italic;}
.foot-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:24px 0 36px;font-size:12px;letter-spacing:0.05em;color:var(--text-3);}

@media (max-width:1080px){
    .nav-links{gap:16px;font-size:13px;}
}
@media (max-width:980px){
    .nav-links{
        display:none;position:absolute;top:100%;left:0;right:0;
        flex-direction:column;gap:0;align-items:stretch;
        background:rgba(4,5,7,0.97);
        backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);
        border-bottom:1px solid var(--border);padding:6px 0;
        max-height:calc(100vh - 56px);overflow-y:auto;
    }
    body.menu-open .nav-links{display:flex;}
    .nav-links a{padding:14px clamp(20px,5vw,40px);font-size:15px;border-bottom:1px solid rgba(255,255,255,0.04);}
    .nav-links a:last-child{border-bottom:0;}
    .burger{display:block;}
    .hero-facts{grid-template-columns:repeat(2,1fr);}
    .registry-grid{grid-template-columns:1fr;}
    .pillars{grid-template-columns:1fr;}
    .about{grid-template-columns:1fr;gap:16px;}
    .product{grid-template-columns:1fr;}
    .product-visual{order:-1;aspect-ratio:16/9;}
    .contact-grid{grid-template-columns:1fr;}
    .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:560px){
    .hero{min-height:auto;padding:60px 0 52px;}
    .hero-facts{grid-template-columns:1fr;}
    .team{grid-template-columns:1fr;}
    .registry{padding:26px 22px;}
    .step{grid-template-columns:1fr;gap:10px;}
    .note{grid-template-columns:1fr;gap:12px;}
    .foot-grid{grid-template-columns:1fr;}
    .foot-bottom{flex-direction:column;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important;}
    .reveal{opacity:1;transform:none;}
}