/* ============================================================
   SDT V5 — Commercial Flagship · Design System
   One theme: obsidian / graphite / warm ivory text / champagne gold.
   One typeface: Manrope (full cyrillic). No font switcher.
   ============================================================ */
/* Manrope loaded async via <link> in each page <head> (non-render-blocking). */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --obsidian:#0A0B0D; --graphite:#101216; --graphite2:#15181F; --surface:#1A1E27; --surface2:#20252F;
  --ink:#F4F2EC; --dim:#AEB2BC; --mute:#7B7F89; --faint:#54585F;
  --gold:#C6A254; --gold-hi:#E4CF9E; --gold-deep:#8C7038;
  --line:rgba(255,255,255,.085); --line2:rgba(255,255,255,.15); --line3:rgba(255,255,255,.22);
  --metal:linear-gradient(160deg,#EEDFBB 0%,#D8B978 26%,#C6A254 52%,#A9873F 74%,#8A6E3B 100%);
  --fs-display:clamp(46px,5.2vw,76px); --fs-h2:clamp(34px,3.7vw,56px); --fs-h3:clamp(25px,2.2vw,33px); --fs-h4:20px;
  --fs-lead:clamp(19px,1.5vw,23px); --fs-body:clamp(17px,1.05vw,18.5px); --fs-sm:16px; --fs-cap:14px;
  --maxw:1200px; --pad:clamp(20px,4vw,44px); --sec:clamp(72px,8vw,120px);
  --r:12px; --r-lg:18px; --r-sm:9px; --header-h:70px; --ease:cubic-bezier(.22,.61,.36,1);
}
html{scroll-behavior:smooth;overflow-x:hidden;scroll-padding-top:calc(var(--header-h) + 14px)}
body{font-family:'Manrope',system-ui,-apple-system,sans-serif;background:var(--obsidian);color:var(--ink);
  font-size:var(--fs-body);line-height:1.62;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img,svg{max-width:100%;display:block}a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit}
h1,h2,h3,h4{font-weight:600;letter-spacing:-.02em;line-height:1.08}
h1{font-size:var(--fs-display);letter-spacing:-.025em;line-height:1.05}
h2{font-size:var(--fs-h2)} h3{font-size:var(--fs-h3);line-height:1.2} h4{font-size:var(--fs-h4)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad);width:100%}
section{padding:var(--sec) 0;position:relative}
.eyebrow{font-size:var(--fs-cap);font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--gold);opacity:.7}
.lead{font-size:var(--fs-lead);color:var(--dim);line-height:1.5;font-weight:400}
.muted{color:var(--mute)} .small{font-size:var(--fs-sm)} .cap{font-size:var(--fs-cap)}
.shead{max-width:720px} .shead h2{margin-top:16px} .shead .lead{margin-top:18px}
.center{text-align:center} .center.shead{margin:0 auto}
.gold{color:var(--gold-hi)}
/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;font-size:15px;font-weight:600;padding:14px 24px;border-radius:var(--r-sm);
  border:1px solid transparent;cursor:pointer;transition:.22s var(--ease);white-space:nowrap;letter-spacing:-.01em;font-family:inherit}
.btn .arw{width:16px;height:16px}
.btn-gold{position:relative;background:var(--metal);color:#221a08;overflow:hidden;
  box-shadow:0 14px 34px -18px rgba(150,120,60,.7),inset 0 1px 0 rgba(255,255,255,.5);text-shadow:0 1px 0 rgba(255,255,255,.22)}
.btn-gold::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.3),rgba(255,255,255,0) 45%,rgba(120,90,40,.1))}
.btn-gold>*{position:relative}
.btn-gold:hover{filter:brightness(1.04)}
.btn-ghost{background:rgba(255,255,255,.02);border-color:var(--line2);color:var(--ink)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-hi)}
.btn-sm{padding:10px 16px;font-size:14px}
.tlink{display:inline-flex;align-items:center;gap:7px;font-weight:600;color:var(--gold-hi);font-size:15px}
.tlink .arw{width:15px;height:15px;transition:transform .2s}
.tlink:hover .arw{transform:translateX(3px)}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--gold-hi);outline-offset:3px}
/* ---------- status pills ---------- */
.status{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  padding:5px 11px;border-radius:6px;border:1px solid var(--line2);color:var(--dim);background:rgba(255,255,255,.03)}
.status::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mute)}
.status.live{color:var(--gold-hi);border-color:rgba(228,207,158,.3);background:rgba(198,162,84,.1)}.status.live::before{background:var(--gold)}
.status.dev{opacity:.85}
/* ---------- header ---------- */
header.site{position:sticky;top:0;z-index:80;background:rgba(10,11,13,.82);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;height:var(--header-h);gap:26px}
.brand .lockup{height:32px}
.nav-links{display:flex;gap:1px;margin-left:8px}
.nav-links a{font-size:15px;font-weight:500;color:var(--dim);padding:9px 13px;border-radius:8px;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--ink);background:rgba(255,255,255,.05)}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-cta .btn{padding:10px 18px}
.burger{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line2);background:rgba(255,255,255,.03);color:var(--ink);align-items:center;justify-content:center;cursor:pointer}
.burger svg{width:22px;height:22px}
.msheet{display:none;position:fixed;inset:var(--header-h) 0 0;z-index:70;background:rgba(9,10,12,.98);backdrop-filter:blur(14px);padding:24px var(--pad);flex-direction:column;gap:2px;overflow-y:auto}
.msheet.open{display:flex}
.msheet a{font-size:20px;font-weight:600;padding:15px 4px;border-bottom:1px solid var(--line)}
.msheet .btn{margin-top:18px;justify-content:center}
/* ---------- hero ---------- */
.hero{padding:clamp(44px,6vw,80px) 0 var(--sec)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,4vw,60px);align-items:center}
.hero-grid>*{min-width:0}
.hero h1{margin:18px 0 0;max-width:none;font-size:clamp(32px,3.5vw,47px);line-height:1.1}
.hero h1 .g{background:var(--metal);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{margin-top:20px;max-width:540px}
.cta-row{display:flex;align-items:center;gap:16px;margin-top:30px;flex-wrap:wrap}
.trust-row{display:flex;flex-wrap:wrap;gap:9px 20px;margin-top:30px;padding-top:24px;border-top:1px solid var(--line)}
.trust-row span{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--dim)}
.trust-row span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold)}
/* ---------- generic cards / grids ---------- */
.grid{display:grid;gap:20px}.grid.g2{grid-template-columns:repeat(2,1fr)}.grid.g3{grid-template-columns:repeat(3,1fr)}.grid.g4{grid-template-columns:repeat(4,1fr)}
.grid>*{min-width:0}
.card{border:1px solid var(--line);border-radius:var(--r-lg);background:linear-gradient(180deg,var(--graphite2),var(--graphite));padding:26px;transition:.25s var(--ease)}
.card.hover:hover{border-color:var(--line3);transform:translateY(-3px)}
.card h3{margin-bottom:0}
.icard .ic{width:44px;height:44px;border-radius:11px;background:rgba(198,162,84,.1);border:1px solid rgba(228,207,158,.16);display:flex;align-items:center;justify-content:center;color:var(--gold-hi);margin-bottom:16px}
.icard .ic svg{width:22px;height:22px}
.icard p{color:var(--dim);font-size:15px;margin-top:10px}
/* section tone */
.tone{background:var(--graphite)}
.band{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
/* ---------- product row (levels) ---------- */
.level{margin-top:44px}
.level-h{display:flex;align-items:baseline;gap:14px;margin-bottom:20px}
.level-h .num{font-size:13px;font-weight:700;color:var(--gold);letter-spacing:.1em}
.level-h h3{font-size:22px}
.level-h .sub{color:var(--mute);font-size:14px;margin-left:auto}
.prod{border:1px solid var(--line);border-radius:var(--r);background:var(--graphite2);padding:22px;display:flex;flex-direction:column;transition:.25s var(--ease)}
.prod:hover{border-color:var(--line3);transform:translateY(-2px)}
.prod .top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.prod h4{font-size:18px;font-weight:600}
.prod .who{font-size:13px;color:var(--gold);margin-top:2px;font-weight:600}
.prod .res{font-size:14.5px;color:var(--dim);margin-top:12px;flex:1}
.prod .foot{display:flex;justify-content:space-between;align-items:center;margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}
.prod .price{font-size:14px;color:var(--ink);font-weight:600}.prod .price small{color:var(--mute);font-weight:400}
/* ---------- calculator ---------- */
.calc{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(24px,3vw,44px);margin-top:48px;align-items:start}
.calc>*{min-width:0}
.calc-in{background:var(--graphite2);border:1px solid var(--line2);border-radius:var(--r-lg);padding:clamp(22px,2.4vw,30px)}
.field{margin-bottom:22px}.field:last-child{margin-bottom:0}
.field .fl{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:10px}
.field label{font-size:14.5px;font-weight:500;color:var(--ink)}
.field output{font-size:17px;font-weight:700;color:var(--gold-hi);font-variant-numeric:tabular-nums}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:99px;background:linear-gradient(90deg,var(--gold) 0 var(--pct,40%),rgba(255,255,255,.12) var(--pct,40%) 100%);outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--metal);border:2px solid #0A0B0D;box-shadow:0 2px 8px rgba(0,0,0,.5);cursor:pointer}
input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:#C6A254;border:2px solid #0A0B0D;cursor:pointer}
.calc-out{display:flex;flex-direction:column;gap:18px}
.bignum{background:linear-gradient(168deg,var(--surface),var(--graphite));border:1px solid var(--line2);border-radius:var(--r-lg);padding:26px}
.bignum .k{font-size:14px;color:var(--dim);font-weight:500}
.bignum .v{font-size:clamp(32px,4.4vw,50px);font-weight:800;letter-spacing:-.03em;margin-top:8px;font-variant-numeric:tabular-nums}
.bignum .v .cur{color:var(--gold-hi);font-size:.55em;margin-left:6px}
.bignum .rng{font-size:14px;color:var(--mute);margin-top:8px}
.calc-mini{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.calc-mini .m{border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;background:var(--graphite2)}
.calc-mini .m .k{font-size:13px;color:var(--dim)}.calc-mini .m .v{font-size:22px;font-weight:700;margin-top:4px;font-variant-numeric:tabular-nums}
.formula{font-size:13.5px;color:var(--mute);line-height:1.6}
.disc{font-size:13px;color:var(--mute);margin-top:8px;display:flex;gap:9px;align-items:flex-start;line-height:1.5}
.disc svg{width:16px;height:16px;flex:0 0 auto;margin-top:2px;color:var(--gold)}
/* ---------- task selector ---------- */
.tasks{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px}
.task{font-size:14.5px;font-weight:500;color:var(--dim);background:var(--graphite2);border:1px solid var(--line2);border-radius:99px;padding:11px 18px;cursor:pointer;transition:.2s}
.task:hover{color:var(--ink);border-color:var(--line3)}
.task.on{background:var(--metal);color:#221a08;border-color:transparent;font-weight:600}
.task-result{margin-top:26px;border:1px solid var(--line2);border-radius:var(--r-lg);background:var(--graphite2);padding:26px;min-height:120px}
.task-result .rh{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);font-weight:600}
.task-result h3{margin:10px 0 0}
.task-result .recs{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.task-result .recs a{font-size:14px;font-weight:600;color:var(--ink);background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:8px;padding:9px 14px}
.task-result .recs a:hover{border-color:var(--gold);color:var(--gold-hi)}
/* ---------- diagram rail ---------- */
.rail{margin-top:44px;background:var(--graphite);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(20px,2.4vw,30px);overflow-x:auto}
.rail .track{display:flex;align-items:center;gap:6px;min-width:720px}
.rnode{flex:1;text-align:center;background:var(--graphite2);border:1px solid var(--line2);border-radius:11px;padding:16px 10px}
.rnode b{font-size:14.5px;font-weight:600;display:block}.rnode span{font-size:12px;color:var(--mute);display:block;margin-top:3px}
.rarrow{color:var(--gold);flex:0 0 auto}.rarrow svg{width:16px;height:16px}
/* ---------- showcase ---------- */
.showcase{border:1px solid var(--line2);border-radius:var(--r-lg);overflow:hidden;background:#0b0d11}
.showcase .chrome{height:38px;display:flex;align-items:center;gap:7px;padding:0 15px;background:linear-gradient(180deg,#16181d,#0f1216);border-bottom:1px solid var(--line2)}
.showcase .chrome i{width:9px;height:9px;border-radius:50%;background:rgba(199,205,216,.28)}.showcase .chrome i:first-child{background:rgba(228,207,158,.6)}
.showcase .chrome em{margin-left:10px;font-style:normal;font-size:12px;color:var(--mute)}
.showcase img{width:100%;display:block}
/* ---------- steps / process ---------- */
.steps{counter-reset:st;display:grid;gap:14px;margin-top:40px}
.step{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;border:1px solid var(--line);border-radius:var(--r);background:var(--graphite2);padding:20px 22px}
.step .n{counter-increment:st;width:34px;height:34px;border-radius:9px;background:rgba(198,162,84,.12);border:1px solid rgba(228,207,158,.2);color:var(--gold-hi);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px}
.step .n::before{content:counter(st)}
.step h4{font-size:17px}.step p{color:var(--dim);font-size:14.5px;margin-top:5px}
/* ---------- FAQ ---------- */
.faq{margin-top:36px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:20px 0;font-size:17px;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--gold);font-size:22px;font-weight:400;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 22px;color:var(--dim);font-size:15.5px;max-width:80ch}
/* ---------- form ---------- */
.form{background:var(--graphite2);border:1px solid var(--line2);border-radius:var(--r-lg);padding:clamp(24px,3vw,36px)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.frm{margin-top:16px}
.frm label{display:block;font-size:13.5px;color:var(--dim);margin-bottom:7px}
.frm input,.frm textarea,.frm select{width:100%;background:var(--obsidian);border:1px solid var(--line2);border-radius:10px;padding:13px 15px;color:var(--ink);font-family:inherit;font-size:15px}
.frm textarea{min-height:90px;resize:vertical}
.form .note{font-size:13px;color:var(--mute);margin-top:14px}
.form-ok{display:none;text-align:center;padding:20px}
.form-ok.show{display:block}
.form-ok .ic{width:52px;height:52px;border-radius:50%;background:rgba(198,162,84,.14);border:1px solid rgba(228,207,158,.3);color:var(--gold-hi);display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
/* ---------- integrations ---------- */
.intg{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}
.intg .i{font-size:14px;font-weight:500;color:var(--ink);background:var(--graphite2);border:1px solid var(--line2);border-radius:9px;padding:11px 16px;display:flex;align-items:center;gap:9px}
.intg .i .b{font-size:10.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--mute);border-left:1px solid var(--line2);padding-left:9px;margin-left:2px}
.intg .i.ready .b{color:var(--gold)}
/* ---------- founder ---------- */
.founder{display:grid;grid-template-columns:.72fr 1.28fr;gap:clamp(28px,4vw,56px);align-items:center}
.founder>*{min-width:0}
.founder .ph{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line2);box-shadow:0 50px 100px -60px rgba(0,0,0,.8)}
.founder .ph img{width:100%;height:clamp(360px,42vw,500px);object-fit:cover;object-position:center 12%}
.founder .q{font-size:clamp(20px,1.9vw,26px);font-weight:500;line-height:1.42;margin-top:6px}
.founder .who{margin-top:22px;display:flex;flex-direction:column;gap:2px}
.founder .who b{font-size:18px}.founder .who span{font-size:14px;color:var(--mute)}
/* ---------- footer ---------- */
footer.site{border-top:1px solid var(--line);padding:60px 0 40px;background:var(--graphite)}
.foot-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.foot-brand .lockup{height:32px}.foot-brand p{font-size:14px;color:var(--mute);max-width:300px;margin-top:16px;line-height:1.6}
footer.site h5{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--mute);margin-bottom:14px}
.fcol a{display:block;font-size:14.5px;color:var(--dim);padding:5px 0}.fcol a:hover{color:var(--gold-hi)}
.foot-bot{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--mute)}
.foot-bot a{color:var(--dim)}.foot-bot a:hover{color:var(--gold-hi)}

.langsw{display:flex;gap:2px;border:1px solid var(--line2);border-radius:8px;padding:2px;margin-right:4px}
.langsw a{font-size:12.5px;font-weight:600;color:var(--mute);padding:5px 8px;border-radius:6px}
.langsw a.lg-on{background:var(--gold);color:#221a08}
.langsw a:not(.lg-on):hover{color:var(--ink)}
@media(max-width:1040px){.langsw{display:none}}
/* ---------- order ---------- */
.ord-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(22px,3vw,40px);margin-top:36px;align-items:start}
.ord-grid>*{min-width:0}
.ord-card{border:1px solid var(--line2);border-radius:var(--r-lg);background:var(--graphite2);padding:24px}
.ord-h{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);font-weight:600;margin-bottom:14px}
.ord-row{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding:11px 0;border-bottom:1px solid var(--line);font-size:15px}
.ord-row:last-child{border-bottom:0}.ord-row span{color:var(--mute)}.ord-row b{font-weight:600}
.ord-seller{margin-top:18px;border:1px solid var(--line);border-radius:var(--r);background:rgba(255,255,255,.02);padding:18px 20px}
.ord-seller .k{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--mute);margin-bottom:8px}
.ord-seller .v{font-size:14px;color:var(--dim);line-height:1.6}.ord-seller .v b{color:var(--ink)}
.ord-state{max-width:640px;margin:0 auto;text-align:center}
.ord-state .badge{width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;border:1px solid var(--line2)}
.ord-state .badge svg{width:30px;height:30px}
.ord-state.ok .badge{background:rgba(198,162,84,.12);border-color:rgba(228,207,158,.35);color:var(--gold-hi)}
.ord-state.wait .badge{background:rgba(255,255,255,.04);color:var(--gold-hi)}
.ord-state.stop .badge{background:rgba(255,255,255,.04);color:var(--mute)}
.ord-steps{text-align:left;max-width:520px;margin:26px auto 0;display:flex;flex-direction:column;gap:10px}
.ord-steps .s{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--dim)}
.ord-steps .s b{color:var(--gold-hi)}
/* ---------- legal ---------- */
.legal-banner{display:flex;gap:12px;align-items:flex-start;background:rgba(198,162,84,.08);border:1px solid rgba(228,207,158,.28);border-radius:var(--r);padding:16px 18px;margin-top:22px;font-size:14px;color:var(--dim)}
.legal-banner svg{width:20px;height:20px;flex:0 0 auto;color:var(--gold-hi);margin-top:1px}
.legal-banner b{color:var(--ink)}
.legal-grid{display:grid;grid-template-columns:.28fr .72fr;gap:0;margin-top:36px;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.legal-grid>div{padding:14px 20px;border-bottom:1px solid var(--line);font-size:15px}
.legal-grid>div:nth-child(odd){color:var(--mute);background:var(--graphite2)}
.legal-grid>div:nth-child(even){color:var(--ink)}
.needs-data{color:var(--gold-hi);font-weight:600;border-bottom:1px dashed var(--gold-deep)}
.legal-doc{max-width:820px;margin-top:30px}
.legal-doc h2{font-size:var(--fs-h3);margin-top:38px}
.legal-doc h3{font-size:19px;margin-top:26px;color:var(--ink)}
.legal-doc p,.legal-doc li{color:var(--dim);font-size:15.5px;line-height:1.7;margin-top:12px}
.legal-doc ul,.legal-doc ol{padding-left:22px;margin-top:8px}
.legal-doc li{margin-top:8px}
.legal-doc .meta{font-size:13px;color:var(--mute);margin-top:6px}
.legal-nav{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:36px}
.legal-nav a{display:flex;justify-content:space-between;align-items:center;gap:12px;border:1px solid var(--line);border-radius:var(--r);background:var(--graphite2);padding:16px 20px;transition:.2s}
.legal-nav a:hover{border-color:var(--line3);color:var(--gold-hi)}
.legal-nav a b{font-weight:600;font-size:15.5px}.legal-nav a span{font-size:13px;color:var(--mute)}
.flowline{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.flowline .f{font-size:13px;color:var(--dim);background:var(--graphite2);border:1px solid var(--line2);border-radius:99px;padding:8px 14px}
.foot-legal{margin-top:14px;display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13px}
.foot-legal a{color:var(--mute)}.foot-legal a:hover{color:var(--gold-hi)}
/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
/* ---------- breadcrumb / page head ---------- */
.page-head{padding:clamp(40px,5vw,64px) 0 0}
.crumb{font-size:13.5px;color:var(--mute);display:flex;gap:8px;align-items:center}
.crumb a:hover{color:var(--gold-hi)}
.pillrow{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.pill{font-size:13px;color:var(--dim);border:1px solid var(--line2);border-radius:99px;padding:7px 14px}
/* ---------- responsive ---------- */
@media(max-width:1040px){
  :root{--sec:clamp(60px,7vw,90px)}
  .hero-grid,.calc,.founder,.foot-top{grid-template-columns:1fr;gap:32px}
  .grid.g4{grid-template-columns:1fr 1fr}.grid.g3{grid-template-columns:1fr 1fr}
  .nav-links,.nav-cta .btn:not(.burger){display:none} .burger{display:flex}
  .founder .ph{max-width:420px}
}
@media(max-width:680px){
  :root{--header-h:60px}
  .nav{height:60px}
  .grid.g2,.grid.g3,.grid.g4,.calc-mini,.form .row{grid-template-columns:1fr}
  .cta-row .btn{width:100%;justify-content:center}
  .foot-top{grid-template-columns:1fr 1fr}
  .foot-bot{flex-direction:column;gap:8px}
}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}*{scroll-behavior:auto}}

/* ============================================================
   V5 SHARED VISUAL SYSTEM — accepted flagship direction
   Global components reused across all RU pages (catalog, products,
   legal, order, company, cases). Homepage keeps its inline layer.
   ============================================================ */
:root{--mid:#0a1020;--mid2:#0e1832;--glow:rgba(198,162,84,.14);--client:#7FA7D8;--ai:#E4CF9E;--human:#7FD6A6}
.kicker{font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);display:inline-flex;align-items:center;gap:11px}
.kicker::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--gold),transparent)}
.vhead{max-width:660px}.vhead h2{margin-top:14px}.vhead p{margin-top:12px;color:var(--dim);font-size:var(--fs-lead);line-height:1.5}
.glass{background:rgba(255,255,255,.035);backdrop-filter:blur(10px);border:1px solid var(--line2);border-radius:18px}
.brandmark{font-size:clamp(28px,5.4vw,72px);font-weight:800;letter-spacing:-.03em;line-height:1;background:var(--metal);-webkit-background-clip:text;background-clip:text;color:transparent}
.scene{position:relative;border:1px solid var(--line2);border-radius:22px;background:linear-gradient(180deg,var(--graphite2),#0f1116);padding:clamp(22px,2.6vw,34px);overflow:hidden}
.scene.blue{background:linear-gradient(180deg,var(--mid2),#0a0d16)}
.scene::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 300px at 50% -10%,var(--glow),transparent 60%);pointer-events:none;opacity:.6}
.scene>*{position:relative;z-index:1}
/* browser mockup */
.win{border-radius:12px;overflow:hidden;border:1px solid var(--line2);background:#0b0d11;width:100%}
.win .bar{height:30px;display:flex;align-items:center;gap:6px;padding:0 12px;background:linear-gradient(180deg,#16181d,#0f1216);border-bottom:1px solid var(--line2)}
.win .bar i{width:8px;height:8px;border-radius:50%;background:rgba(199,205,216,.28)}.win .bar i:first-child{background:rgba(228,207,158,.6)}
.win .bar em{margin-left:8px;font-style:normal;font-size:11px;color:var(--mute)}
.win img{width:100%;display:block}
/* bento */
.bento-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.btile{border:1px solid var(--line2);border-radius:20px;background:linear-gradient(180deg,var(--surface),#0f1116);padding:24px;display:flex;flex-direction:column;transition:.25s var(--ease);overflow:hidden;position:relative;text-decoration:none;color:var(--ink)}
.btile:hover{border-color:rgba(228,207,158,.4);transform:translateY(-3px)}
.btile .tag{font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);font-weight:700}
.btile h3{font-size:20px;margin-top:8px}.btile .one{font-size:14px;color:var(--dim);margin-top:6px}
.btile .go{margin-top:16px;font-size:13.5px;font-weight:600;color:var(--gold-hi);display:inline-flex;align-items:center;gap:7px}
.btile .demo{margin-top:16px;flex:1;display:flex;align-items:stretch}
/* mini demos */
.chat2{display:flex;flex-direction:column;gap:7px;width:100%;justify-content:flex-end}
.chat2 .b{font-size:12.5px;padding:8px 11px;border-radius:11px;max-width:88%;line-height:1.35}
.chat2 .b.c{align-self:flex-start;background:rgba(127,167,216,.13);border:1px solid rgba(127,167,216,.22)}
.chat2 .b.a{align-self:flex-end;background:linear-gradient(135deg,rgba(228,207,158,.2),rgba(228,207,158,.06));border:1px solid rgba(228,207,158,.28);color:#F2E9D5}
.chat2 .b.tail{align-self:flex-start;color:#8FE3B0;font-size:11.5px;background:none;border:0;padding:2px 0}
.agrows{display:grid;grid-template-columns:1fr 1fr;gap:10px;width:100%}
.ag{display:flex;align-items:center;justify-content:space-between;gap:10px;background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:13px}
.ag .st{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--human)}.ag .st i{width:6px;height:6px;border-radius:50%;background:var(--human)}
.ag.integ .st{color:var(--gold-hi)}.ag.integ .st i{background:var(--gold)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{font-size:12.5px;color:var(--ink);background:rgba(198,162,84,.08);border:1px solid rgba(228,207,158,.24);border-radius:99px;padding:7px 13px}
.doc{display:flex;flex-direction:column;gap:10px}
.doc .row{display:flex;gap:11px;align-items:center;font-size:14.5px;color:var(--dim)}
.doc .row svg{width:18px;height:18px;flex:0 0 auto;color:var(--gold-hi)}
.barset{display:flex;flex-direction:column;gap:12px}
.bar2{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--dim)}
.bar2 .k{width:140px;flex:0 0 auto}.bar2 .t{flex:1;height:12px;border-radius:99px;background:rgba(255,255,255,.06);overflow:hidden}
.bar2 .t i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--gold-deep),var(--gold))}
.rows{display:flex;flex-direction:column;gap:9px}
.rrow{display:flex;align-items:center;justify-content:space-between;gap:10px;background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:14px}
.rrow .badge{font-size:11px;color:var(--human);display:flex;align-items:center;gap:6px}.rrow .badge i{width:6px;height:6px;border-radius:50%;background:var(--human)}
/* interactive tabs + artifact (products: этапы/демо) */
.iwrap{display:grid;grid-template-columns:.44fr .56fr;gap:clamp(22px,3vw,44px);align-items:start}
.iwrap>*{min-width:0}
.scale{display:flex;flex-direction:column;gap:10px}
.tstep{display:flex;gap:15px;align-items:flex-start;text-align:left;border:1px solid var(--line);border-radius:14px;background:var(--graphite2);padding:18px 20px;cursor:pointer;transition:.2s;width:100%;color:var(--ink)}
.tstep:hover{border-color:var(--line3)}
.tstep.on{border-color:rgba(228,207,158,.45);background:linear-gradient(90deg,rgba(228,207,158,.08),transparent)}
.tstep .num{width:32px;height:32px;border-radius:9px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;background:var(--surface);border:1px solid var(--line2);color:var(--mute);transition:.2s}
.tstep.on .num{background:var(--gold);color:#221a08;border-color:transparent}
.tstep .st b{display:block;font-size:16.5px;font-weight:600}.tstep .st span{display:block;font-size:13.5px;color:var(--dim);margin-top:3px}
.artbox{position:relative;min-height:320px;border:1px solid var(--line2);border-radius:20px;background:linear-gradient(180deg,var(--graphite2),#0b0d11);padding:22px;overflow:hidden}
.artbox::before{content:"";position:absolute;inset:0;background:radial-gradient(500px 200px at 80% 0,var(--glow),transparent 60%);opacity:.5;pointer-events:none}
.art{display:none;position:relative;z-index:1}.art.on{display:block;animation:vfade .4s var(--ease)}
@keyframes vfade{from{opacity:0;transform:translateY(8px)}}
.art .at{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
.artnote{font-size:12px;color:var(--mute);margin-top:16px}
/* product page scaffolding */
.p-hero{position:relative;overflow:hidden}
.p-hero .grid-lines{position:absolute;inset:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(120% 80% at 60% 20%,#000 20%,transparent 75%);opacity:.5;pointer-events:none}
.p-hero .container{position:relative;z-index:1}
.p-split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,56px);align-items:center}
.p-split>*{min-width:0}
.metric-row{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}
.metric-row b{display:block;font-size:19px;font-weight:700}.metric-row span{font-size:13px;color:var(--mute)}
.feat{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.feat .f{border:1px solid var(--line);border-radius:14px;background:var(--graphite2);padding:20px}
.feat .f .fi{width:38px;height:38px;border-radius:10px;border:1px solid rgba(228,207,158,.18);background:rgba(198,162,84,.08);display:flex;align-items:center;justify-content:center;color:var(--gold-hi);margin-bottom:12px}
.feat .f .fi svg{width:20px;height:20px}
.feat .f b{font-size:16px;font-weight:600}.feat .f p{font-size:13.5px;color:var(--dim);margin-top:6px}
.deliver{display:flex;flex-direction:column;gap:12px}
.deliver .d{display:flex;gap:13px;align-items:flex-start;font-size:15px;color:var(--dim)}
.deliver .d svg{width:20px;height:20px;flex:0 0 auto;color:var(--gold-hi);margin-top:1px}
.pricebox{border:1px solid var(--line2);border-radius:18px;background:linear-gradient(180deg,var(--surface),#0f1116);padding:26px}
.pricebox .pk{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--mute)}
.pricebox .pv{font-size:26px;font-weight:700;margin-top:6px;letter-spacing:-.01em}
.pricebox .factors{margin-top:16px;display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:var(--dim)}
.pricebox .factors span{display:flex;gap:9px;align-items:center}.pricebox .factors span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold);flex:0 0 auto}
@media(max-width:1040px){.iwrap,.p-split{grid-template-columns:1fr;gap:30px}.feat{grid-template-columns:1fr}.agrows{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.art{animation:none}}
/* comfort typography pass — readable secondary text (owner: ≥16 secondary, ≥14 captions, buttons 16–18) */
.btile .one{font-size:16px}
.feat .f p,.deliver .d,.s3 p,.dir .plist a,.faq p,.faq summary,.tstep .st span,.metric-row span{font-size:15.5px}
.feat .f b,.tstep .st b{font-size:17px}
.chips span,.ag,.rrow,.rrow .badge,.bar2,.doc .row{font-size:14.5px}
.pricebox .factors,.artnote,p.disc,.note{font-size:14px}
.pricebox .pv{font-size:28px}
.status,.pill{font-size:14px}
.btn{font-size:17px}
