:root{
  --coal:#15110C; --espresso:#201912; --char:#2C2318;
  --paper:#E7DFD1; --paper-2:#DDD3C2; --card:#F4EEE3;
  --ink:#1E1812; --ink-2:#574D40; --ink-3:#897C6A;
  --rust:#B44C22; --rust-2:#7E3213; --ember:#D8743C; --sand:#C8A878;
  --line:rgba(30,24,18,.15); --line-d:rgba(231,223,209,.14);
  --maxw:1280px;
  --serif:"Playfair Display",Georgia,serif;
  --sans:"Golos Text",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:80;opacity:.05;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='150' height='150'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--serif);font-weight:700;line-height:1.02;letter-spacing:-.012em;margin:0}
p{margin:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 30px}
.kicker{font-family:var(--mono);font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--rust);
  display:inline-flex;align-items:center;gap:13px}
.kicker::before{content:"";width:30px;height:1.5px;background:currentColor;display:block}
.idx{font-family:var(--mono);font-size:12px;letter-spacing:.18em;color:var(--ink-3);text-transform:uppercase}
.lede{font-size:clamp(18px,2.1vw,22px);line-height:1.5;color:var(--ink-2)}

/* progress */
.scrollbar{position:fixed;left:0;top:0;width:3px;height:100vh;z-index:70;background:transparent}
.scrollbar i{display:block;width:100%;height:0;background:linear-gradient(var(--rust),var(--rust-2))}
@media(max-width:720px){.scrollbar{display:none}}

/* nav */
.nav{position:sticky;top:0;z-index:60;background:rgba(231,223,209,.78);backdrop-filter:saturate(1.3) blur(12px);
  border-bottom:1px solid var(--line);transition:background .3s}
.nav.solid{background:rgba(231,223,209,.96)}
.nav__in{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{font-family:var(--serif);font-weight:800;font-size:22px;letter-spacing:.01em;display:flex;align-items:center;gap:10px}
.brand .dot{width:9px;height:9px;background:var(--rust);border-radius:50%}
.menu{display:flex;align-items:center;gap:30px}
.menu a{font-size:14.5px;font-weight:600;color:var(--ink-2);transition:color .2s}
.menu a:hover,.menu a.active{color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:9px;font-family:var(--sans);font-weight:600;font-size:14.5px;cursor:pointer;
  padding:12px 22px;border-radius:2px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);
  transition:transform .15s ease,background .2s,color .2s,border-color .2s}
.btn:hover{transform:translateY(-1px)}
.btn--rust{background:var(--rust);border-color:var(--rust);color:#fff}
.btn--rust:hover{background:var(--rust-2);border-color:var(--rust-2)}
.btn--ghost{background:transparent;color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:var(--paper)}
.btn--light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn--light:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn .arr{font-family:var(--mono)}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);background:transparent;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;border-radius:2px}
.burger span{width:18px;height:1.6px;background:var(--ink)}
@media(max-width:920px){
  .menu{position:fixed;inset:66px 0 auto 0;flex-direction:column;align-items:flex-start;gap:0;background:var(--paper);
    border-bottom:1px solid var(--line);padding:6px 30px 22px;transform:translateY(-130%);
    transition:transform .35s cubic-bezier(.2,.8,.2,1)}
  .menu.open{transform:translateY(0)}
  .menu a{padding:14px 0;width:100%;border-bottom:1px solid var(--line);font-size:17px}
  .menu .btn{margin-top:14px;width:100%;justify-content:center}
  .burger{display:flex}
}

/* ===== HERO ===== */
.hero{position:relative;min-height:94vh;display:flex;align-items:flex-end;overflow:hidden;color:#F3ECDF}
.hero__bg{position:absolute;inset:0;z-index:0}
.hero__bg img{width:100%;height:100%;object-fit:cover;animation:kb 26s ease-in-out infinite alternate}
@keyframes kb{from{transform:scale(1.02)}to{transform:scale(1.1)}}
.hero::before{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(75deg,rgba(15,11,8,.86) 0%,rgba(15,11,8,.55) 42%,rgba(15,11,8,.12) 75%),
             linear-gradient(0deg,rgba(15,11,8,.8),transparent 46%)}
.hero__in{position:relative;z-index:2;width:100%;padding-top:clamp(120px,18vh,150px)}
.hero h1{font-size:clamp(46px,8.4vw,108px);letter-spacing:-.02em;margin:22px 0 0;font-weight:800}
.hero h1 span{display:block}
.hero h1 .hl{color:var(--ember)}
.hero__sub{margin-top:28px;max-width:60ch;color:#E3D8C7;font-size:clamp(17px,2vw,21px);line-height:1.5}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:34px}
.hero__cta .lnk{font-weight:600;font-size:14.5px;color:#E3D8C7;border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:2px}
.hero__cta .lnk:hover{color:#fff;border-color:#fff}
.ticker{position:relative;z-index:2;margin-top:clamp(40px,7vw,82px);border-top:1px solid rgba(255,255,255,.18);
  display:flex;flex-wrap:wrap}
.ticker div{flex:1 1 0;min-width:150px;padding:20px 26px 22px;border-right:1px solid rgba(255,255,255,.14)}
.ticker div:last-child{border-right:0}
.ticker b{font-family:var(--serif);font-weight:600;font-size:clamp(22px,2.6vw,30px);display:block;line-height:1}
.ticker b i{font-style:normal;font-family:var(--mono);font-size:.5em;color:var(--sand);margin-left:3px}
.ticker span{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:#B7A98F}
@media(max-width:760px){.ticker div{flex-basis:50%;border-bottom:1px solid rgba(255,255,255,.14)}
  .ticker div:nth-child(2n){border-right:0}}

/* ===== generic sections ===== */
.section{padding:clamp(74px,10vw,140px) 0}
.section--paper2{background:var(--paper-2)}
.section--dark{background:var(--espresso);color:#EBE1D2}
.section--dark .lede{color:#C9BCA8}
.section--dark .idx{color:#8E806C}
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:26px;flex-wrap:wrap;
  margin-bottom:clamp(34px,5vw,60px)}
.head h2{font-size:clamp(32px,5.2vw,60px);max-width:17ch;font-weight:700}
.head .r{text-align:right}

/* material */
.mat{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,64px);align-items:center}
.mat img{width:100%;height:clamp(300px,38vw,430px);object-fit:cover}
.mat__txt p+p{margin-top:18px}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);margin-top:clamp(36px,5vw,56px);border-top:2px solid var(--ink)}
.tile{padding:24px 22px 4px;border-right:1px solid var(--line)}
.tile:last-child{border-right:0}
.tile b{font-family:var(--serif);font-weight:700;font-size:clamp(34px,4.4vw,52px);display:block;line-height:.95}
.tile b i{font-style:normal;font-family:var(--mono);font-size:.36em;color:var(--ink-3);margin-left:4px;font-weight:400}
.tile p{margin-top:12px;font-size:13.5px;color:var(--ink-2);line-height:1.45;padding-bottom:18px}
@media(max-width:860px){.mat{grid-template-columns:1fr}.tiles{grid-template-columns:1fr 1fr}
  .tile{border-bottom:1px solid var(--line)}.tile:nth-child(2n){border-right:0}}
@media(max-width:480px){.tiles{grid-template-columns:1fr}.tile{border-right:0}}

/* comparison */
.cmp-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -2px}
.cmp{width:100%;border-collapse:collapse;min-width:760px}
.cmp th,.cmp td{padding:17px 20px;text-align:left;border-bottom:1px solid var(--line-d);vertical-align:middle}
.cmp thead th{font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:#A99A84;font-weight:500}
.cmp thead .penh{color:#fff}
.cmp thead .penh b{font-family:var(--serif);font-size:21px;letter-spacing:0;display:block;color:#fff;font-weight:700}
.cmp .param{color:#D7CBB8;font-weight:600;font-size:15px;width:30%}
.cmp td{font-size:14.5px;color:#C4B7A2}
.cmp .pen{background:linear-gradient(var(--rust),var(--rust)) ;background:rgba(180,76,34,.16);
  border-left:1px solid rgba(216,116,60,.4);border-right:1px solid rgba(216,116,60,.4)}
.cmp tbody tr:hover td{background:rgba(255,255,255,.03)}
.cmp tbody tr:hover .pen{background:rgba(180,76,34,.22)}
.cmp .pen{color:#F3E7D7;font-weight:600}
.mk{font-weight:700;margin-right:7px}
.yes{color:var(--ember)} .no{color:rgba(235,225,210,.32)} .part{color:var(--sand)}
.cmp-note{margin-top:22px;font-family:var(--mono);font-size:11.5px;line-height:1.6;color:#8E806C;max-width:74ch}
.cmp-legend{display:flex;gap:22px;flex-wrap:wrap;margin-top:18px;font-family:var(--mono);font-size:11.5px;color:#A99A84}
.cmp-legend span b{margin-right:6px}

/* properties */
.props{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.prop{background:var(--paper);padding:26px 22px}
.prop svg{width:26px;height:26px;stroke:var(--rust);stroke-width:1.5;fill:none;margin-bottom:14px}
.prop h4{font-family:var(--sans);font-size:15.5px;font-weight:700;margin:0 0 5px}
.prop p{font-size:13.5px;color:var(--ink-2);line-height:1.45}
@media(max-width:900px){.props{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.props{grid-template-columns:1fr}}

/* full-bleed band */
.band{position:relative;color:#F3ECDF;overflow:hidden;isolation:isolate}
.band__bg{position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center}
.band::before{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(80deg,rgba(13,9,6,.82),rgba(13,9,6,.4) 60%,rgba(13,9,6,.18))}
.band .wrap{padding:clamp(80px,12vw,150px) 30px}
.band--apply .wrap{max-width:var(--maxw)}
.band h2{font-size:clamp(32px,5.4vw,64px);max-width:18ch}
.band h2 .hl{color:var(--ember)}
.band .lede{color:#E0D5C4;margin-top:22px;max-width:60ch}
.uses{margin-top:34px;display:flex;flex-wrap:wrap;gap:10px;max-width:760px}
.uses span{font-family:var(--mono);font-size:12.5px;letter-spacing:.03em;color:#EFE6D7;
  border:1px solid rgba(255,255,255,.28);padding:9px 16px;border-radius:2px;background:rgba(20,14,9,.25);backdrop-filter:blur(2px)}
/* statement band numbers */
.ki{display:flex;gap:0;margin-top:40px;border-top:1px solid rgba(255,255,255,.2);max-width:560px}
.ki div{flex:1;padding:22px 24px 4px;border-right:1px solid rgba(255,255,255,.16)}
.ki div:last-child{border-right:0}
.ki b{font-family:var(--serif);font-weight:700;font-size:clamp(34px,5vw,54px);display:block;line-height:1}
.ki .big b{color:var(--ember)}
.ki span{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:#B7A98F}
.band .note{margin-top:24px;font-family:var(--mono);font-size:12.5px;color:#C9B89F;max-width:56ch;line-height:1.6}

/* equipment */
.eq{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(30px,5vw,60px);align-items:center}
.eq__media{background:transparent;border:0;padding:0;display:flex;align-items:center;justify-content:center}
.eq__media img{width:100%;object-fit:contain}
.eq__list{margin-top:26px;border-top:1px solid var(--line)}
.eq__list li{list-style:none;display:flex;gap:18px;padding:18px 0;border-bottom:1px solid var(--line);align-items:baseline}
.eq__list .n{font-family:var(--mono);font-size:12px;color:var(--rust);flex:none;letter-spacing:.06em}
.eq__list b{font-weight:700}
.eq__list p{color:var(--ink-2);font-size:14.5px;margin-top:3px}
.eq__cta{display:flex;flex-wrap:wrap;gap:13px;margin-top:30px}
@media(max-width:880px){.eq{grid-template-columns:1fr}.eq__media{order:-1}}
.recipe{margin-top:clamp(42px,5vw,68px);background:var(--espresso);color:#EBE1D2;border-left:4px solid var(--rust);
  padding:clamp(28px,4vw,46px);display:grid;grid-template-columns:minmax(170px,250px) 1fr;gap:clamp(22px,4vw,52px);align-items:center}
.recipe__kicker{font-family:var(--mono);font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--ember);display:block;margin-bottom:11px}
.recipe__title{font-family:var(--serif);font-weight:700;font-size:clamp(26px,3vw,38px);color:#fff;line-height:1.04}
.recipe__lede{font-size:clamp(17px,1.9vw,20px);line-height:1.5;color:#E2D7C6}
.recipe__note{margin-top:14px;font-family:var(--mono);font-size:12.5px;color:var(--sand);letter-spacing:.02em;line-height:1.55}
@media(max-width:760px){.recipe{grid-template-columns:1fr;gap:16px;align-items:start}}

/* why */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:2px solid currentColor}
.why__c{padding:34px 30px 30px;border-right:1px solid var(--line-d)}
.why__c:last-child{border-right:0}
.why__c .num{font-family:var(--mono);font-size:12px;color:var(--ember);letter-spacing:.12em}
.why__c h3{font-size:25px;margin:14px 0 11px;color:#fff}
.why__c p{color:#C4B7A2;font-size:15px}
@media(max-width:820px){.why{grid-template-columns:1fr}.why__c{border-right:0;border-bottom:1px solid var(--line-d)}}

/* contacts */
.cta{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,64px)}
.field{margin-bottom:16px}
.field label{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);margin-bottom:7px}
.field input,.field textarea{width:100%;font-family:var(--sans);font-size:16px;color:var(--ink);background:var(--card);
  border:1px solid var(--line);border-radius:2px;padding:13px 15px;transition:border-color .2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--rust)}
.field textarea{resize:vertical;min-height:120px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.subbtn{width:100%;justify-content:center;margin-top:6px;padding:16px;font-size:15px}
.coords .org{font-family:var(--serif);font-size:25px;font-weight:700;margin-bottom:14px}
.coords dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:14px 24px;align-items:baseline}
.coords dt{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.coords dd{margin:0;font-weight:600}
.coords dd a:hover{color:var(--rust)}
.eqcard{margin-top:26px;border:1px solid var(--line);padding:20px 22px;background:var(--card)}
.eqcard p{font-size:14px;color:var(--ink-2)}
.eqcard a{font-weight:700;color:var(--rust)}
.disc{margin-top:22px;font-family:var(--mono);font-size:11px;line-height:1.65;color:var(--ink-3);max-width:60ch}
@media(max-width:820px){.cta{grid-template-columns:1fr}.row2{grid-template-columns:1fr}}

/* footer */
.foot{background:var(--coal);color:#Ccc0ad;padding:54px 0 40px}
.foot__in{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:flex-end}
.foot .brand{color:#F3ECDF;font-size:25px}
.foot__links{display:flex;gap:24px;flex-wrap:wrap;font-size:14px;color:#B7A98F}
.foot__links a:hover{color:#fff}
.foot__meta{font-family:var(--mono);font-size:11px;color:#776A58;letter-spacing:.04em;margin-top:22px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.1);padding-top:20px}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .8s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}
  .hero__bg img{animation:none}html{scroll-behavior:auto}}


/* --- блоки для ИИ-агентов: FAQ, глоссарий, экосистема (добавлено 02.09.2026) --- */
.ai-sec{padding:64px 0;border-top:1px solid rgba(128,128,128,.22)}
.ai-sec .ai-wrap{width:min(1180px,92vw);margin:0 auto}
.ai-sec h2{font-size:clamp(24px,3.4vw,38px);line-height:1.12;margin:0 0 10px;letter-spacing:-.02em}
.ai-sec .ai-lead{margin:0 0 30px;opacity:.72;max-width:70ch;font-size:15px;line-height:1.65}
.ai-ey{font-size:11px;letter-spacing:.22em;text-transform:uppercase;opacity:.55;margin:0 0 12px}
.ai-faq{display:grid;gap:0;border-top:1px solid rgba(128,128,128,.22)}
.ai-faq details{border-bottom:1px solid rgba(128,128,128,.22)}
.ai-faq summary{list-style:none;cursor:pointer;padding:18px 40px 18px 0;position:relative;
  font-size:clamp(15px,1.6vw,18px);font-weight:600;line-height:1.4}
.ai-faq summary::-webkit-details-marker{display:none}
.ai-faq summary::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;opacity:.55;transition:transform .2s}
.ai-faq details[open] summary::after{content:"–"}
.ai-faq .ai-faq__a{margin:0;padding:0 40px 22px 0;opacity:.78;line-height:1.7;font-size:15px;max-width:78ch}
.ai-gloss{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:0 34px}
.ai-gloss div{padding:15px 0;border-bottom:1px solid rgba(128,128,128,.18)}
.ai-gloss dt{font-weight:600;font-size:15px;margin:0 0 5px}
.ai-gloss dd{margin:0;opacity:.72;font-size:14px;line-height:1.6}
.ai-ring{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;margin-top:22px}
.ai-ring a{display:block;padding:15px 16px;border:1px solid rgba(128,128,128,.25);border-radius:4px;
  text-decoration:none;color:inherit;transition:border-color .2s,background .2s}
.ai-ring a:hover{border-color:rgba(128,128,128,.55);background:rgba(128,128,128,.07)}
.ai-ring b{display:block;font-size:14px;letter-spacing:.05em;margin-bottom:4px}
.ai-ring span{display:block;font-size:12.5px;opacity:.66;line-height:1.45}
.ai-ring i{display:block;font-size:11px;opacity:.45;font-style:normal;margin-top:6px;letter-spacing:.04em}
.ai-data{margin-top:26px;font-size:13px;opacity:.6;line-height:1.8}
.ai-data a{color:inherit}
@media(max-width:640px){.ai-sec{padding:44px 0}}