/* Light glass look: navy display type, frosted cards floating in depth, blue particle stream. Single light theme by design. */
:root{
  --bg:#F3F6FA;--bg2:#E9EEF5;--surface:#FFFFFF;--glass:rgba(255,255,255,.66);--glass-line:rgba(255,255,255,.95);
  --ink:#0B1B3F;--ink2:#6A7385;--muted:#5B6475;--line:#DCE3EC;--line-strong:#BCC7D6;
  --blue:#2F6BFF;--blue2:#8DB4FF;--violet:#5A49C6;--violet-bg:#ECE9FC;--teal:#0D9C7E;--teal-bg:#DDF4EC;--rose:#E23D5B;--rose-bg:#FCE6EA;
  --shadow:0 24px 60px -24px rgba(11,27,63,.28),0 6px 18px -8px rgba(11,27,63,.14);
  --font:"Golos Text",system-ui,-apple-system,"Segoe UI",sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.6 var(--font);-webkit-font-smoothing:antialiased}
a{color:inherit}
p{margin:0}
.g{padding-left:max(24px,env(safe-area-inset-left,0px));padding-right:max(24px,env(safe-area-inset-right,0px))}
.in{max-width:1180px;margin:0 auto}
h1,h2,h3{margin:0;text-wrap:balance}
h2{font-weight:800;font-size:clamp(28px,3.6vw,44px);line-height:1.08;letter-spacing:-.03em}
h3{font-size:18px;font-weight:600;line-height:1.3}
.kicker{font-size:13px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--ink2)}
.muted{color:var(--muted)}
.btn{display:inline-flex;align-items:center;gap:8px;font:600 15px/1 var(--font);text-decoration:none;border-radius:14px;padding:15px 22px;border:1px solid var(--line-strong);background:var(--surface);color:var(--ink);cursor:pointer}
.btn.pri{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn.sm{padding:10px 16px;font-size:14px;border-radius:11px}
.btn:focus-visible,.lang button:focus-visible,a:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.note{font-size:14px;color:var(--muted)}

header.nav{position:fixed;inset:0 0 auto;z-index:20;padding-top:env(safe-area-inset-top,0px);background:rgba(243,246,250,.72);backdrop-filter:saturate(1.5) blur(14px);-webkit-backdrop-filter:saturate(1.5) blur(14px);border-bottom:1px solid rgba(188,199,214,.5)}
.nav .in{display:flex;align-items:center;gap:24px;height:64px}
.mark{display:flex;align-items:center;font:800 18px/1 var(--font);letter-spacing:-.02em;text-decoration:none;white-space:nowrap}
.mark i{width:12px;height:12px;border-radius:50%;background:var(--violet);box-shadow:8px 0 0 var(--teal);display:block;margin-right:18px}
.links{display:flex;gap:24px;font-size:15px;color:var(--muted);margin-left:16px}
.links a{text-decoration:none}.links a:hover{color:var(--ink)}
.right{margin-left:auto;display:flex;align-items:center;gap:12px}
.lang{display:flex;border:1px solid var(--line-strong);border-radius:999px;padding:3px;background:rgba(255,255,255,.6)}
.lang button{font:600 12px/1 var(--font);color:var(--muted);background:none;border:0;border-radius:999px;padding:7px 10px;cursor:pointer}
.lang button[aria-pressed="true"]{background:var(--ink);color:#fff}

/* stage */
.stage{position:relative;height:460vh;background:radial-gradient(120% 80% at 75% 40%,#FFFFFF 0%,var(--bg) 55%,var(--bg2) 100%)}
.pin{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden}
.fx{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.copy{position:absolute;inset:0;display:flex;align-items:center;pointer-events:none;z-index:2}
.copy-in{width:100%;max-width:1180px;margin:0 auto;position:relative;padding-top:64px}
.copy-in>*{pointer-events:auto}
.copy .kicker{margin-bottom:22px}
.head{transform-origin:0 0;will-change:transform;max-width:720px}
h1{font-weight:900;font-size:clamp(40px,5.4vw,80px);line-height:.95;letter-spacing:-.045em;text-transform:uppercase}
h1 .h-a{color:var(--ink)}h1 .h-b{color:var(--ink2)}
.intro{display:flex;flex-direction:column;gap:22px;margin-top:28px;max-width:480px;will-change:opacity,transform}
.lead{font-size:clamp(17px,1.5vw,19px);color:var(--muted)}
.ask{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.85);border:1px solid var(--glass-line);box-shadow:var(--shadow);border-radius:999px;padding:14px 20px;font-size:16px;color:var(--ink)}
.ask svg{width:20px;height:20px;fill:none;stroke:var(--ink);stroke-width:2;flex:none}
.ask span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.caret{width:2px;height:20px;background:var(--blue);display:block;flex:none}
@media (prefers-reduced-motion:no-preference){.caret{animation:blink 1s steps(1) infinite}}
@keyframes blink{50%{opacity:0}}
.ctas{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.layer-cap{position:absolute;left:0;top:calc(50% + 40px);max-width:420px;opacity:0;will-change:opacity}
.lc-n{font-size:13px;font-weight:600;letter-spacing:.2em;color:var(--blue)}
.lc-t{font-weight:900;font-size:clamp(30px,3.6vw,48px);line-height:1;letter-spacing:-.035em;text-transform:uppercase;margin-top:10px}
.lc-d{font-size:18px;color:var(--muted);margin-top:14px}

.scene{position:absolute;top:0;bottom:0;right:0;width:58%;perspective:1300px;perspective-origin:30% 50%;z-index:1}
.deck{position:absolute;left:58%;top:52%;transform-style:preserve-3d}
.gcard{position:absolute;left:-135px;top:-80px;width:270px;padding:16px;border-radius:20px;background:var(--glass);border:1px solid var(--glass-line);box-shadow:var(--shadow);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);display:flex;flex-direction:column;gap:12px;will-change:transform,opacity,filter;backface-visibility:hidden}
.gcard.sm{width:230px;left:-115px}
.gh{display:flex;align-items:center;gap:10px;font-size:15px}
.gh b{font-weight:600;line-height:1.2}
.ic{width:34px;height:34px;border-radius:10px;background:var(--c);display:grid;place-items:center;flex:none;box-shadow:0 6px 14px -6px var(--c)}
.ic svg{width:19px;height:19px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.meta{font-size:12px;color:var(--muted)}
.mchips{display:flex;flex-wrap:wrap;gap:6px}
.mchips span{font-size:12px;font-weight:500;padding:5px 9px;border-radius:999px;background:#fff;border:1px solid var(--line)}
.mchips span.on{background:var(--violet);color:#fff;border-color:var(--violet)}
.mchips.big span{font-size:15px;padding:9px 15px}
.res{display:flex;flex-direction:column;gap:8px}
.res p{display:flex;align-items:center;gap:8px}
.res i{width:14px;height:14px;border-radius:4px;background:var(--c);flex:none}
.res span{height:8px;border-radius:4px;background:var(--line);width:92%}
.claim{font-size:13px;line-height:1.45;padding:10px 12px;border-radius:12px;background:var(--teal-bg);color:#064E3F}
.frame{aspect-ratio:16/9;border-radius:12px;background:linear-gradient(135deg,#1F2B55,#5A49C6 55%,#E23D5B);display:grid;place-items:center}
.play{width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.92);position:relative}
.play::after{content:"";position:absolute;left:17px;top:13px;border-left:13px solid var(--rose);border-top:8px solid transparent;border-bottom:8px solid transparent}
.tl{height:6px;border-radius:3px;background:var(--line);overflow:hidden}
.tl span{display:block;height:100%;width:62%;background:var(--rose)}
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.tiles span{aspect-ratio:1;border-radius:10px;background:linear-gradient(135deg,var(--a),var(--b))}
.wave{display:flex;align-items:center;gap:4px;height:54px}
.wave i{flex:1;border-radius:3px;background:linear-gradient(var(--violet),var(--blue))}
.wave.thin{height:34px}
.gauge{display:flex;align-items:center;gap:14px}
.ring{--v:80;width:66px;height:66px;border-radius:50%;background:conic-gradient(var(--teal) calc(var(--v)*1%),var(--line) 0);display:grid;place-items:center;flex:none}
.ring b{width:50px;height:50px;border-radius:50%;background:#fff;display:grid;place-items:center;font-size:18px;font-weight:800}
.gauge p{font-size:13px;color:var(--muted);line-height:1.4}
.xl{width:100%;border-collapse:collapse;font-size:12px;background:#fff;border-radius:8px;overflow:hidden}
.xl th,.xl td{border:1px solid var(--line);padding:4px 6px;text-align:right}
.xl th{background:#EAF7EF;color:#166534;font-weight:600}
.xl td:first-child{text-align:left;color:var(--muted)}
.bars{display:flex;align-items:flex-end;gap:8px;height:46px}
.bars i{flex:1;border-radius:4px 4px 0 0;background:linear-gradient(#22C55E,#16A34A)}
.slides{position:relative;height:96px}
.slides span{position:absolute;width:70%;aspect-ratio:16/9;border-radius:8px;background:#fff;border:1px solid var(--line);box-shadow:0 8px 18px -10px rgba(11,27,63,.4)}
.slides span:nth-child(1){left:0;top:16px;background:linear-gradient(135deg,#FFE7C7,#fff)}
.slides span:nth-child(2){left:14%;top:8px;background:linear-gradient(135deg,#E6EEFF,#fff)}
.slides span:nth-child(3){left:28%;top:0;background:linear-gradient(135deg,#0B1B3F,#2F6BFF)}
.rank{font-size:14px;font-weight:600;color:#86198F;background:#FAE8FF;border-radius:10px;padding:9px 12px}
.rec{margin-left:auto;font-size:11px;font-weight:700;color:var(--rose);border:1px solid var(--rose);border-radius:6px;padding:2px 6px}
.script{display:flex;flex-direction:column;gap:6px;font-size:13px;line-height:1.4}
.script b{font-weight:600;color:var(--violet)}
.tr{display:flex;flex-direction:column;gap:6px;font-size:14px}
.tr p{background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 10px}
.tr .to{background:#E6EEFF;border-color:#C9D9FF}
.nodes{display:flex;align-items:center;gap:6px}
.nodes span{font-size:12px;font-weight:600;padding:6px 9px;border-radius:8px;background:var(--violet-bg);color:var(--violet)}
.nodes i{flex:1;height:2px;background:var(--violet);opacity:.5}
.ghost{position:absolute;width:64px;height:44px;border-radius:10px;opacity:.55;will-change:transform}

.layers{position:absolute;right:max(24px,env(safe-area-inset-right,0px));bottom:32px;z-index:3;list-style:none;margin:0;padding:0;display:flex;gap:6px}
.layers li{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink2);padding:7px 12px;border-radius:999px;border:1px solid var(--line-strong);background:rgba(255,255,255,.6)}
.layers li.on{background:var(--ink);border-color:var(--ink);color:#fff}
.scrollhint{position:absolute;left:50%;bottom:28px;transform:translateX(-50%);font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink2);z-index:3}

/* static fallback: reduced motion or no JS sizing */
.stage.static{height:auto}
.stage.static .pin{position:relative;height:auto;overflow:visible;padding-block:120px 60px}
.stage.static .copy{position:relative;inset:auto}
.stage.static .layer-cap,.stage.static .layers,.stage.static .scrollhint,.stage.static .fx{display:none}
.stage.static .scene{position:relative;width:auto;perspective:none;padding:40px max(24px,env(safe-area-inset-left,0px)) 0;max-width:1180px;margin:0 auto}
.stage.static .deck{position:static;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,250px),1fr));gap:16px}
.stage.static .gcard{position:relative;left:auto;top:auto;width:auto;transform:none!important;filter:none!important;opacity:1!important}

section{padding-block:96px}
.sec-head{display:flex;flex-direction:column;gap:14px;max-width:740px;margin-bottom:40px}
.grid4{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:24px;display:flex;flex-direction:column;gap:10px;min-width:0}
.card.glass{background:var(--glass);border-color:var(--glass-line);box-shadow:var(--shadow)}
.card p{font-size:15px;color:var(--muted)}
.num{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--blue)}
.trail{position:relative;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px;padding-top:36px}
.trail::before{content:"";position:absolute;left:0;right:6%;top:12px;border-top:2px dotted var(--line-strong)}
.wp{position:relative;display:flex;flex-direction:column;gap:6px}
.wp::before{content:"";position:absolute;top:-31px;left:0;width:16px;height:16px;border-radius:50%;background:var(--bg);border:2px solid var(--blue)}
.wp:last-child::before{background:var(--blue)}
.wp h3{font-size:16px}
.wp p{font-size:14px;color:var(--muted)}
.mods{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:14px}
.mod{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:22px;display:flex;flex-direction:column;gap:8px}
.mod .tag{align-self:flex-start;font-size:12px;font-weight:600;padding:4px 10px;border-radius:8px;background:var(--teal-bg);color:#064E3F}
.mod .tag.v{background:var(--violet-bg);color:#2E2378}
.mod .tag.c{background:var(--rose-bg);color:#8A1C33}
.mod p{font-size:15px;color:var(--muted)}
.models{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center}
.ctx{display:flex;flex-direction:column;gap:10px;margin-top:24px}
.ctx div{display:flex;gap:14px;align-items:baseline;font-size:17px}
.ctx b{font-weight:800;color:var(--blue);min-width:18px}
.band{background:var(--ink);color:#fff}
.band .kicker{color:#A9B6D3}.band .muted{color:#C3CCE0}
.band .card{background:#13265A;border-color:#22397A}
.band .card p{color:#C3CCE0}
.status{align-self:flex-start;font-size:13px;font-weight:600;border-radius:999px;padding:5px 12px;border:1px solid #6F84B8;color:#C3CCE0}
.status.ok{border-color:#5EE0B8;color:#5EE0B8}
footer{padding-block:36px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
footer .in{display:flex;gap:20px;flex-wrap:wrap;justify-content:space-between}

@media (max-width:1000px){.links{display:none}.models{grid-template-columns:minmax(0,1fr)}}
@media (max-width:900px){
  .stage{height:380vh}
  .copy{align-items:flex-start}
  .copy-in{padding-top:92px}
  .copy .kicker{margin-bottom:14px}
  h1{font-size:clamp(38px,10vw,64px)}
  .intro{margin-top:18px;gap:14px}
  .lead,.copy .note{display:none}
  .scene{width:100%;top:45%;perspective-origin:50% 40%}
  .deck{left:50%;top:45%}
  .layer-cap{top:170px}
  .lc-d{font-size:16px;margin-top:8px}
  .layers{display:none}
  .trail{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:46px}.trail::before{display:none}
}
@media (max-width:560px){.nav .btn{display:none}.gcard{transform-origin:center}.scrollhint{display:none}.layers{left:max(16px,env(safe-area-inset-left,0px));right:auto;flex-wrap:wrap}section{padding-block:64px}}