:root{
 --paper:#F2F1EC;--paper-2:#E8E6DE;--sand:#DFDCD1;
 --ink:#141410;--ink-2:#1E1E18;--muted:#6C6B62;
 --cobalt:#2436D8;--cobalt-2:#1B2AAE;
 --line:#D3CFC4;--line-d:rgba(242,241,236,.16);--muted-d:rgba(242,241,236,.55);
 --display:"Bricolage Grotesque",sans-serif;--body:"Inter",sans-serif;--mono:"JetBrains Mono",monospace;
 --wrap:1280px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 40px}
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:.98;letter-spacing:-.025em;margin:0}
p{margin:0}a{color:inherit;text-decoration:none}
::selection{background:var(--cobalt);color:#fff}
.grain{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.05;mix-blend-mode:multiply;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.cursor{position:fixed;top:0;left:0;width:9px;height:9px;border-radius:50%;background:var(--cobalt);pointer-events:none;z-index:300;transform:translate(-50%,-50%);transition:width .22s,height .22s,background .22s}
.cursor.big{width:44px;height:44px;background:rgba(36,54,216,.16)}
@media (hover:none){.cursor{display:none}}
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--cobalt);font-weight:500}
.idx{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--muted)}
.btn{position:relative;display:inline-flex;align-items:center;gap:.6em;font-family:var(--mono);font-weight:500;font-size:13px;letter-spacing:.04em;text-transform:uppercase;padding:16px 26px;border:1px solid var(--ink);cursor:pointer;transition:background .2s,color .2s,transform .1s;background:var(--ink);color:var(--paper);white-space:nowrap;will-change:transform}
.btn:hover{background:var(--cobalt);border-color:var(--cobalt);color:#fff}
.btn-o{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-o:hover{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.btn .a{transition:transform .2s}.btn:hover .a{transform:translate(3px,-3px)}
.on-dark .btn{background:var(--paper);border-color:var(--paper);color:var(--ink)}
.on-dark .btn:hover{background:var(--cobalt);border-color:var(--cobalt);color:#fff}
header{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .3s,border-color .3s;border-bottom:1px solid transparent}
header.solid{background:rgba(242,241,236,.86);backdrop-filter:blur(12px) saturate(140%);border-bottom-color:var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{font-family:var(--display);font-weight:700;font-size:24px;letter-spacing:-.03em}
.brand .ai{color:var(--cobalt)}
.nav-c{display:flex;gap:34px;align-items:center}
.nav-c a{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);transition:color .15s}
.nav-c a:hover{color:var(--ink)}
.nav-r{display:flex;align-items:center;gap:18px}
.lang{display:flex;font-family:var(--mono);font-size:11px;border:1px solid var(--line)}
.lang button{border:0;background:transparent;padding:7px 10px;cursor:pointer;color:var(--muted);font-family:inherit;letter-spacing:.08em}
.lang button.on{background:var(--ink);color:var(--paper)}
.burger{display:none;border:0;background:transparent;cursor:pointer;padding:6px}
.burger span{display:block;width:24px;height:1.5px;background:var(--ink);margin:5px 0;transition:.2s}
main{position:relative;z-index:2}
.hero{padding:150px 0 40px;border-bottom:1px solid var(--line)}
.hero-top{display:flex;justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:44px}
.hero-meta{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);text-align:right;line-height:1.9}
.hero h1{font-size:clamp(46px,9.2vw,140px);font-weight:600;letter-spacing:-.035em;max-width:16ch}
.hero h1 .em{color:var(--cobalt);font-style:italic;font-weight:500}
.hero-bottom{display:grid;grid-template-columns:1.3fr 1fr;gap:50px;align-items:end;margin-top:50px}
.hero-sub{font-size:20px;color:var(--ink);max-width:46ch;line-height:1.5}
.hero-cta{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.hero-note{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.04em;max-width:34ch;line-height:1.7}
.marquee{border-bottom:1px solid var(--line);background:var(--ink);color:var(--paper);overflow:hidden;padding:16px 0}
.mq-track{display:flex;width:max-content;animation:mq 34s linear infinite}
@media (prefers-reduced-motion:reduce){.mq-track{animation:none}}
.mq-track span{font-family:var(--mono);font-size:13px;letter-spacing:.14em;text-transform:uppercase;padding:0 26px;color:var(--paper);white-space:nowrap}
.mq-track span b{color:var(--cobalt);font-weight:500}
@keyframes mq{to{transform:translateX(-50%)}}
section{padding:110px 0;position:relative}
.s-head{display:grid;grid-template-columns:auto 1fr;gap:30px;align-items:start;margin-bottom:64px}
.s-head .lbl{display:flex;flex-direction:column;gap:8px;padding-top:8px}
.s-head h2{font-size:clamp(30px,5vw,62px);font-weight:600;max-width:20ch}
.s-head .desc{color:var(--muted);font-size:18px;max-width:48ch;margin-top:20px;line-height:1.5}
.who{background:var(--paper-2)}
.who-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:0;border:1px solid var(--line)}
.corr{padding:46px;border-right:1px solid var(--line)}
.corr .big{font-family:var(--display);font-weight:600;font-size:clamp(44px,7vw,90px);letter-spacing:-.04em;line-height:.9}
.corr .big s{color:var(--muted);text-decoration:none;font-weight:400}
.corr .big small{font-size:.28em;color:var(--muted);letter-spacing:0;font-family:var(--mono);text-transform:uppercase;display:inline-block;vertical-align:middle;margin-left:8px}
.corr .cap{color:var(--muted);font-size:15px;margin:22px 0 30px;max-width:40ch;line-height:1.55}
.seg{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.seg li{display:grid;grid-template-columns:34px 1fr;gap:8px;padding:15px 0;border-bottom:1px solid var(--line);font-size:15.5px;align-items:baseline}
.seg li:last-child{border-bottom:0}
.seg li i{font-family:var(--mono);color:var(--cobalt);font-style:normal;font-size:12px}
.nofit{padding:46px;background:var(--ink);color:var(--paper)}
.nofit h3{font-size:26px;font-weight:600;margin-bottom:10px}
.nofit .ns{color:var(--muted-d);font-size:14px;margin-bottom:26px;font-family:var(--mono);letter-spacing:.02em}
.nofit ul{list-style:none;margin:0;padding:0}
.nofit li{display:flex;justify-content:space-between;align-items:center;padding:16px 0;border-top:1px solid var(--line-d);font-family:var(--mono);font-size:14px;letter-spacing:.03em}
.nofit li .x{color:var(--muted-d)}
.nofit li.hard{color:#fff}.nofit li.hard .x{color:#7C93FF}
/* operating system — editorial functions */
.osfn-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.osfn{padding:30px 26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.osfn .n{font-family:var(--mono);font-size:11px;color:var(--cobalt);letter-spacing:.1em}
.osfn h3{font-size:22px;font-weight:600;margin:14px 0 10px}
.osfn p{font-size:14px;color:var(--muted);line-height:1.5}
.osfn.mkt{background:var(--ink);color:var(--paper)}
.osfn.mkt p{color:var(--muted-d)}
.os-foot{margin-top:26px;display:flex;gap:14px;align-items:flex-start;max-width:80ch;font-size:15px;color:var(--muted)}
.os-foot i{font-style:normal;color:var(--cobalt);font-family:var(--mono);flex:none}
/* rail */
.rail-head{margin-bottom:0}
.rail-scroll{position:relative}
.rail-sticky{position:sticky;top:0;height:100vh;display:flex;align-items:center}
.rail-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px;width:100%;align-items:center}
.rail-nav{position:relative;padding-left:34px}
.rail-line{position:absolute;left:0;top:6px;bottom:6px;width:1px;background:var(--line)}
.rail-fill{position:absolute;left:0;top:0;width:1px;background:var(--cobalt);height:0;transition:height .3s ease}
.rail-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:22px}
.rail-nav li{display:flex;gap:16px;align-items:baseline;cursor:pointer;opacity:.4;transition:opacity .3s}
.rail-nav li.on{opacity:1}
.rail-nav li b{font-family:var(--display);font-weight:700;font-size:20px;width:22px}
.rail-nav li .rt{font-family:var(--mono);font-size:13px;letter-spacing:.06em;text-transform:uppercase}
.rail-nav li .li-desc{display:none}
.rail-stage{min-height:340px;display:flex;flex-direction:column;justify-content:center}
.rail-stage .rl{font-family:var(--display);font-weight:700;font-size:clamp(80px,12vw,180px);line-height:.8;color:var(--cobalt);letter-spacing:-.05em}
.rail-stage h3{font-size:clamp(30px,4vw,52px);font-weight:600;margin:18px 0 20px}
.rail-stage p{font-size:19px;color:var(--muted);max-width:48ch;line-height:1.5}
.rail-stage .rk{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);margin-top:26px;border-top:1px solid var(--line);padding-top:16px;display:inline-block}
.rail-foot{border-top:1px solid var(--line);padding-top:26px}
.rail-foot p{color:var(--muted);font-size:15px;max-width:74ch;display:flex;gap:12px}
.rail-foot p i{font-style:normal;color:var(--cobalt);font-family:var(--mono)}
.proc{background:var(--ink);color:var(--paper)}
.proc .s-head h2{color:var(--paper)}.proc .s-head .desc{color:var(--muted-d)}
.proc-grid{display:grid;grid-template-columns:repeat(5,1fr)}
.pstep{padding:34px 24px 34px 0;border-top:1px solid var(--line-d);border-right:1px solid var(--line-d)}
.pstep:last-child{border-right:0}
.pstep .pn{font-family:var(--display);font-weight:700;font-size:40px;color:var(--cobalt);line-height:1;margin-bottom:26px}
.pstep h3{font-size:20px;font-weight:600;margin-bottom:12px}
.pstep p{font-size:14px;color:var(--muted-d);line-height:1.5}
.acc-state{font-family:var(--display);font-weight:500;font-size:clamp(28px,4.4vw,58px);letter-spacing:-.025em;line-height:1.02;max-width:20ch;margin-bottom:64px}
.acc-state .c{color:var(--cobalt)}
.acc-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line)}
.acol{padding:40px}
.acol.own{border-right:1px solid var(--line);background:var(--paper-2)}
.acol .h{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:24px;display:flex;gap:10px;align-items:center}
.acol.own .h{color:var(--cobalt)}
.acol .h .sq{width:9px;height:9px;background:currentColor;display:inline-block}
.acol ul{list-style:none;margin:0;padding:0}
.acol li{padding:18px 0;border-top:1px solid var(--line);font-size:16px;line-height:1.45}
.acol:not(.own) li{color:var(--muted)}
.fnd-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.fcard{padding:34px 26px 34px 0;border-right:1px solid var(--line)}
.fcard:last-child{border-right:0;padding-right:0}
.ava{width:78px;height:78px;border-radius:14px;background:var(--paper-2) center/cover no-repeat;margin-bottom:24px;border:1px solid var(--line)}
.fcard:first-child .ava{border-color:var(--cobalt)}
.fcard .role{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--cobalt)}
.fcard h3{font-size:22px;font-weight:600;margin:6px 0 12px}
.fcard .bio{font-size:13.5px;color:var(--muted);line-height:1.5}
.fcard .li{margin-top:16px;font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);display:inline-block}
.fcard .li:hover{color:var(--cobalt)}
.faq{background:var(--paper-2)}
.faq-list{border-top:1px solid var(--ink)}
.qa{border-bottom:1px solid var(--line)}
.qa button{width:100%;text-align:left;background:transparent;border:0;cursor:pointer;padding:30px 0;display:flex;justify-content:space-between;gap:24px;align-items:baseline;font-family:var(--display);font-weight:500;font-size:clamp(20px,2.5vw,30px);color:var(--ink);letter-spacing:-.02em}
.qa .plus{font-family:var(--mono);color:var(--cobalt);font-size:22px;flex:none;transition:transform .25s}
.qa.open .plus{transform:rotate(45deg)}
.qa .ans{max-height:0;overflow:hidden;transition:max-height .3s ease}
.qa .ans p{padding:0 0 30px;color:var(--muted);font-size:16.5px;max-width:76ch;line-height:1.55}
.cta{background:var(--ink);color:var(--paper);text-align:center;padding:130px 0}
.cta h2{font-size:clamp(38px,7vw,104px);font-weight:600;letter-spacing:-.035em;max-width:16ch;margin:20px auto 26px;line-height:.98}
.cta h2 .em{color:var(--cobalt);font-style:italic;font-weight:500}
.cta p{color:var(--muted-d);max-width:52ch;margin:0 auto 40px;font-size:17px;line-height:1.55}
footer{background:var(--ink);color:var(--paper);border-top:1px solid var(--line-d);padding:70px 0 40px}
.foot-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:50px;border-bottom:1px solid var(--line-d)}
.foot-top .brand{color:var(--paper);font-size:34px}
.foot-top .tag{color:var(--muted-d);font-size:14px;margin-top:18px;max-width:32ch;line-height:1.5}
.fcol h4{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#7C93FF;margin:0 0 20px;font-weight:500}
.fcol a,.fcol span{display:block;color:var(--muted-d);font-size:14px;margin-bottom:10px}
.fcol a:hover{color:#fff}
.phh{font-family:var(--mono);font-size:10px;color:#7C93FF;border:1px dashed rgba(124,147,255,.4);border-radius:5px;padding:1px 6px}
.foot-bot{display:flex;justify-content:space-between;align-items:center;padding-top:24px;flex-wrap:wrap;gap:14px}
.foot-bot .ua{display:flex;align-items:center;gap:9px;font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-d)}
.foot-bot .ua .fl{width:20px;height:13px;overflow:hidden;display:inline-block}.foot-bot .ua .fl b{display:block;height:6.5px}
.foot-bot .cp{font-family:var(--mono);font-size:11px;color:rgba(242,241,236,.4)}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}
@media (max-width:1000px){
 .nav-c{display:none}.burger{display:block}
 .hero-bottom{grid-template-columns:1fr;gap:34px}
 .who-grid{grid-template-columns:1fr}.corr{border-right:0;border-bottom:1px solid var(--line)}
 .osfn-grid{grid-template-columns:1fr 1fr}
 .rail-scroll{height:auto !important}
 .rail-sticky{position:static;height:auto;display:block;padding:20px 0 0}
 .rail-grid{grid-template-columns:1fr;gap:0}
 .rail-stage{display:none}
 .rail-nav{padding-left:26px}.rail-nav ul{gap:0}
 .rail-nav li{opacity:1;display:block;padding:26px 0;border-bottom:1px solid var(--line);cursor:default}
 .rail-nav li b{font-size:32px;color:var(--cobalt);display:inline-block;margin-bottom:8px}
 .rail-nav li .rt{display:block;font-size:16px;text-transform:none;font-family:var(--display);font-weight:600;letter-spacing:-.01em;margin-bottom:8px}
 .rail-nav li .li-desc{display:block;font-family:var(--body);font-size:14px;color:var(--muted);line-height:1.5;text-transform:none;letter-spacing:0}
 .rail-fill{display:none}
 .proc-grid{grid-template-columns:1fr 1fr}.pstep{border-right:0}
 .acc-grid{grid-template-columns:1fr}.acol.own{border-right:0;border-bottom:1px solid var(--line)}
 .fnd-grid{grid-template-columns:1fr 1fr}
 .fcard{border-right:0;border-bottom:1px solid var(--line);padding-right:26px}
 .foot-top{grid-template-columns:1fr 1fr}
 .mobile-open .nav-c{display:flex;position:fixed;inset:76px 0 auto 0;flex-direction:column;background:var(--paper);border-bottom:1px solid var(--line);padding:24px 40px;gap:22px;z-index:99}
}
@media (max-width:600px){
 .wrap{padding:0 22px}
 .nav-r .btn{display:none}
 .hero{padding:120px 0 30px}
 .hero-top{flex-direction:column;align-items:flex-start;gap:16px}.hero-meta{text-align:left}
 .s-head{grid-template-columns:1fr;gap:16px}
 .osfn-grid{grid-template-columns:1fr}
 .proc-grid{grid-template-columns:1fr}.pstep{border-bottom:1px solid var(--line-d);padding:26px 0}
 .fnd-grid{grid-template-columns:1fr}.fcard{padding:30px 0}
 .foot-top{grid-template-columns:1fr}
}