@font-face{font-family:"Inter";src:url(fonts/Inter-cyr.woff2) format("woff2");font-weight:300 700;font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"Inter";src:url(fonts/Inter-lat.woff2) format("woff2");font-weight:300 700;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

/* Фирменный стиль ЭГИДА ПТВ (по презентации): светлые фоны, оранжевый акцент, графитовые скошенные плашки, белые карточки, Inter */
:root{
  --sky:#eef3f7; --paper:#ffffff; --ink:#111b26; --ink-2:#4b5866; --ink-3:#7a8693; --rule:#dde4ea;
  --orange:#ee7a30; --orange-hi:#f58b45; --orange-soft:#fdf0e7; --graphite:#3a424b; --graphite-2:#2c333a;
  --on-dark:#f2f5f8; --on-dark-2:#c1cad3;
  --font:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --wrap:1200px; --pad:clamp(20px,4vw,48px); --skew:56px;
  color-scheme:light; box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --sky:#0f151c; --paper:#151c24; --ink:#eef2f6; --ink-2:#a9b5c2; --ink-3:#7d8a97; --rule:#26313d; --orange-soft:#2a1f17;
  --graphite:#252c34; --graphite-2:#1b2128; color-scheme:dark}}
:root[data-theme="dark"]{--sky:#0f151c;--paper:#151c24;--ink:#eef2f6;--ink-2:#a9b5c2;--ink-3:#7d8a97;--rule:#26313d;--orange-soft:#2a1f17;--graphite:#252c34;--graphite-2:#1b2128;color-scheme:dark}

*,*::before,*::after{box-sizing:inherit}
html{scroll-behavior:smooth;scroll-padding-top:calc(84px + env(safe-area-inset-top,0px));-webkit-text-size-adjust:100%}
body{margin:0;background:var(--sky);color:var(--ink);font:400 17px/1.6 var(--font);font-feature-settings:"cv11" 1}
img{max-width:100%;height:auto;display:block}
picture{display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px}
h1,h2,h3,h4{margin:0;font-weight:400;letter-spacing:-.02em;line-height:1.1}
h1{font-size:clamp(38px,5vw,68px);line-height:1.05}
h2{font-size:clamp(30px,3.6vw,48px);max-width:22ch}
h3{font-size:clamp(20px,1.7vw,24px);font-weight:500;letter-spacing:-.01em;line-height:1.25}
h4{font-size:17px;font-weight:600;letter-spacing:0}
h1 em,h2 em{font-style:normal;color:var(--orange)}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;z-index:60;background:#fff;color:#000;padding:8px 14px}
.muted{color:var(--ink-2)}
.small{font-size:14px;color:var(--ink-3)}
.prose p+p{margin-top:14px}
.prose{color:var(--ink-2);max-width:66ch}

/* кнопки и ссылки */
.btn{white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;background:var(--orange);color:#fff;border:1px solid var(--orange);font:500 16px/1 var(--font);text-decoration:none;cursor:pointer;transition:background .15s,color .15s,border-color .15s}
.btn:hover{background:var(--orange-hi);border-color:var(--orange-hi)}
.btn-line{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-line:hover{background:var(--ink);color:var(--sky);border-color:var(--ink)}
.btn-sm{min-height:42px;padding:0 18px;font-size:15px}
.more{display:inline-flex;align-items:center;gap:8px;font-weight:500;text-decoration:none;color:var(--ink)}
.more::after{content:"";width:18px;height:2px;background:var(--orange);transition:width .2s}
.more:hover::after{width:28px}

/* шапка */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--paper)}
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:40;background:color-mix(in srgb,var(--paper) 94%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--rule)}
.top-in{display:flex;align-items:center;gap:30px;height:76px}
.logo{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);flex:none}
.logo-mark{width:9px;height:18px;color:var(--orange)}
.logo-t{display:flex;flex-direction:column;font-weight:600;font-size:17px;line-height:1;letter-spacing:.02em}
.logo-t small{font-size:10px;font-weight:500;margin-top:3px;letter-spacing:.08em}
.nav{display:flex;gap:22px;margin-left:auto;font-size:15px}
.nav a{text-decoration:none;color:var(--ink-2);white-space:nowrap;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover{color:var(--ink)}
.nav a[aria-current="page"]{color:var(--ink);border-color:var(--orange)}
.top-phone{text-decoration:none;font-weight:500;white-space:nowrap;font-variant-numeric:tabular-nums}
.burger{display:none}

/* хлебные крошки */
.crumbs{font-size:14px;color:var(--ink-3);margin-bottom:22px}
.crumbs a{text-decoration:none;color:var(--ink-2)}
.crumbs a:hover{color:var(--ink)}
.crumbs span::before{content:"/";margin:0 8px;color:var(--rule)}

/* секции */
.sec{padding:clamp(72px,8vw,112px) 0}
.sec.white{background:var(--paper)}
.sec.tight{padding:clamp(48px,5vw,72px) 0}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:20px clamp(24px,5vw,72px);align-items:end;margin-bottom:clamp(36px,4vw,56px)}
.sec-head .prose{font-size:18px}
.sec-head.single{grid-template-columns:1fr}
.label{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-3);margin-bottom:16px}
.label::before{content:"";width:22px;height:2px;background:var(--orange)}

/* скошенная плашка */
.bar{position:relative;background:var(--graphite);color:var(--on-dark);padding:24px calc(var(--skew) + 24px) 24px 34px;clip-path:polygon(0 0,100% 0,calc(100% - var(--skew)) 100%,0 100%);font-size:clamp(17px,1.4vw,20px)}
.bar::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--orange)}
.bar em{font-style:normal;color:var(--orange-hi)}
.bar b{font-weight:600}
.bar a{color:var(--on-dark)}
.bar-gap{margin-top:clamp(28px,3vw,40px);max-width:1000px}

/* карточки */
.card{background:var(--paper)}
.sec.white .card{background:var(--sky)}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.pad{padding:clamp(22px,2.4vw,32px)}
.card h3+p,.card h4+p{margin-top:10px;color:var(--ink-2)}
.tick{position:relative;padding-top:64px!important}
.tick::before{content:"";position:absolute;left:clamp(22px,2.4vw,32px);top:clamp(22px,2.4vw,32px);width:10px;height:10px;background:var(--orange);border-radius:1px}
.uline{padding-bottom:12px;margin-bottom:12px;background:linear-gradient(var(--orange),var(--orange)) left bottom/44px 1.5px no-repeat}

/* обложки */
.hero{position:relative;min-height:min(86svh,820px);display:flex;align-items:center;padding:72px 0 64px;overflow:hidden;isolation:isolate}
.hero>.bg{position:absolute;inset:0;z-index:-1}
.hero>.bg img{width:100%;height:100%;object-fit:cover;object-position:right center}
.hero>.wrap{width:100%}
.hero h1{max-width:20ch}
.h1-big{display:block;font-size:1.32em;font-weight:300;letter-spacing:-.03em;line-height:1}
.rule{width:150px;height:3px;margin:28px 0;background:linear-gradient(90deg,var(--orange) 0 100px,rgba(120,150,180,.35) 100px)}
.hero-sub{font-size:clamp(19px,1.8vw,25px);line-height:1.35;max-width:40ch}
.hero-sub span{display:block;color:var(--orange);font-weight:500}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(15,21,28,.92),rgba(15,21,28,.55))}}
:root[data-theme="dark"] .hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(15,21,28,.92),rgba(15,21,28,.55))}

/* обложка страницы продукта */
.phero{padding:clamp(40px,5vw,64px) 0 clamp(56px,6vw,88px);background:var(--paper)}
.phero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,72px);align-items:center}
.phero .lead{margin-top:22px;font-size:clamp(18px,1.6vw,21px);color:var(--ink-2);max-width:46ch}
.phero-img{position:relative;margin:0}
.phero-img img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:50% 70%}
.phero-img::after{content:"";position:absolute;left:-14px;bottom:-14px;width:40%;height:6px;background:var(--orange)}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);margin-top:clamp(36px,4vw,52px);border-top:1px solid var(--rule)}
.kpis div{padding:20px 20px 0 0}
.kpis div+div{padding-left:20px;border-left:1px solid var(--rule)}
.kpis b{display:block;font-size:clamp(24px,2.4vw,34px);font-weight:500;color:var(--ink);letter-spacing:-.02em;line-height:1.1}
.kpis span{display:block;margin-top:6px;font-size:14px;color:var(--ink-2);line-height:1.4}

/* направления на главной */
.dirs{display:grid;grid-template-columns:1.25fr 1fr;grid-template-rows:auto auto;gap:22px}
.dir{position:relative;display:flex;flex-direction:column;background:var(--paper);text-decoration:none;color:inherit;overflow:hidden;transition:box-shadow .2s}
.dir:hover{box-shadow:0 10px 30px rgba(17,27,38,.08)}
.dir picture img{width:100%;aspect-ratio:16/9;object-fit:cover}
.dir-main{grid-row:span 2}
.dir-main picture img{aspect-ratio:auto;height:100%;min-height:320px}
.dir-main picture{flex:1;display:flex}
.dir-body{padding:clamp(22px,2.4vw,32px);display:grid;gap:10px}
.dir-tag{font-size:12px;font-weight:600;color:var(--ink-3);letter-spacing:.05em;text-transform:uppercase}
.dir h3{font-size:clamp(22px,2vw,30px);font-weight:400}
.dir p{color:var(--ink-2)}
.dir .more{margin-top:6px}

/* сцена «как устроен барьер» с выносками */
.stage{position:relative;container-type:inline-size;aspect-ratio:1609/834;max-width:1440px;margin:0 auto;background:#eef3f7}
.stage>picture img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.co{position:absolute;left:calc(var(--x) * 1%);top:var(--y);right:0}
.co i{position:absolute;left:-6px;top:-6px;width:12px;height:12px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 5px rgba(238,122,48,.2)}
.co i::after{content:"";position:absolute;left:12px;top:5px;height:1.5px;width:calc((52 - var(--x)) * 1cqw - 12px);background:var(--orange)}
.co dl{position:absolute;left:calc((52 - var(--x)) * 1cqw);top:-28px;width:min(520px,40cqw);margin:0;background:rgba(255,255,255,.95);color:#111b26;padding:14px 24px 16px}
.co dt{font-size:clamp(17px,1.5vw,22px);font-weight:500}
.co dd{margin:2px 0 0;font-size:clamp(14px,1.2vw,17px);color:#4b5866}
.stage .bar{position:absolute;left:52%;top:82%;width:min(560px,42cqw)}

/* таблицы */
.spec{width:100%;border-collapse:collapse;background:var(--paper);font-variant-numeric:tabular-nums}
.spec caption{text-align:left;padding:0 0 14px;font-weight:600}
.spec th,.spec td{text-align:left;vertical-align:top;padding:16px 22px;border-bottom:1px solid var(--rule)}
.spec thead th{font-size:13px;font-weight:600;color:var(--ink-3);background:var(--paper);border-bottom:2px solid var(--ink)}
.spec tbody th{font-weight:500;width:32%}
.spec td{color:var(--ink-2)}
.spec td b{color:var(--ink);font-weight:500}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}
.spec .hl{background:var(--orange-soft)}
.table-scroll{overflow-x:auto}
.foot-note{margin-top:14px;font-size:14px;color:var(--ink-3)}

/* сценарии и объекты */
.risk{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.risk .card{border-top:3px solid var(--graphite)}
.risk b{display:block;font-size:clamp(26px,2.6vw,38px);font-weight:500;color:var(--ink);line-height:1.1;margin-bottom:12px}
.objs{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.obj{display:flex;flex-direction:column;background:var(--paper)}
.obj picture img{width:100%;aspect-ratio:3.53/1;object-fit:cover}
.obj-body{padding:clamp(22px,2.6vw,34px);display:grid;gap:12px;align-content:start}
.obj-body h3{font-size:clamp(22px,2vw,28px);font-weight:400}
.obj dl{margin:4px 0 0;display:grid;gap:12px}
.obj dl div{display:grid;grid-template-columns:130px 1fr;gap:16px;border-top:1px solid var(--rule);padding-top:12px}
.obj dt{font-weight:600;font-size:15px}
.obj dd{margin:0;color:var(--ink-2);font-size:16px}

/* карточки отраслей LiSafe */
.inds{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ind{background:var(--paper);display:flex;flex-direction:column}
.ind img{width:100%;aspect-ratio:4/3;object-fit:cover}
.ind div{padding:20px 22px 24px;display:grid;gap:8px;align-content:start;flex:1}
.ind h3{font-size:19px}
.ind p{color:var(--ink-2);font-size:15px}
.ind .put{margin-top:auto;padding-top:10px;border-top:1px solid var(--rule);font-size:14px;color:var(--ink)}
.ind .put b{color:var(--ink);font-weight:600}

/* шаги */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s;border-top:1px solid var(--rule)}
.steps.s3{grid-template-columns:repeat(3,1fr)}
.steps li{counter-increment:s;position:relative;padding:28px 26px 8px 0}
.steps li+li{padding-left:26px;border-left:1px solid var(--rule)}
.steps li::before{content:"0" counter(s);display:block;font-size:clamp(34px,3vw,44px);font-weight:300;color:var(--ink-3);line-height:1;margin-bottom:18px;font-variant-numeric:tabular-nums}
.steps p{margin-top:8px;color:var(--ink-2);font-size:16px}

/* цифры-факты */
.nums{display:grid;grid-template-columns:repeat(3,1fr);background:var(--paper)}
.nums div{padding:28px 32px;border-left:1px solid var(--rule)}
.nums div:first-child{border-left:0}
.nums b{display:block;font-size:clamp(34px,3.6vw,52px);font-weight:500;color:var(--ink);line-height:1.05;letter-spacing:-.02em}
.nums span{display:block;margin-top:8px;color:var(--ink-2);line-height:1.35}

/* опыт / кейсы */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case{padding:28px 30px;background:var(--paper);border-left:4px solid var(--orange)}
.case .yr{font-size:14px;color:var(--ink-3)}
.case h3{margin-top:8px}
.case p{margin-top:10px;color:var(--ink-2)}

/* отзывы */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote{margin:0;padding:30px;background:var(--paper);display:flex;flex-direction:column;gap:18px}
.quote blockquote{margin:0;font-size:17px;line-height:1.55;position:relative;padding-top:34px}
.quote blockquote::before{content:"«";position:absolute;top:-14px;left:-2px;font-size:64px;line-height:1;color:var(--orange);font-weight:300}
.quote figcaption{margin-top:auto;padding-top:16px;border-top:1px solid var(--rule);font-size:14px;color:var(--ink-2)}
.quote figcaption b{display:block;color:var(--ink);font-weight:600;font-size:15px}

/* вопросы */
.faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(28px,5vw,80px);align-items:start}
.qa{background:var(--paper);padding:4px 30px}
.qa details{border-bottom:1px solid var(--rule)}
.qa details:last-child{border-bottom:0}
.qa summary{list-style:none;cursor:pointer;padding:20px 36px 20px 0;font-size:18px;font-weight:500;position:relative}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"";position:absolute;right:4px;top:50%;width:10px;height:10px;margin-top:-7px;border-right:2px solid var(--orange);border-bottom:2px solid var(--orange);transform:rotate(45deg);transition:transform .2s}
.qa details[open] summary::after{transform:rotate(-135deg);margin-top:-1px}
.qa p{padding:0 0 20px;color:var(--ink-2)}

/* технологическая цепочка */
.flow{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:0}
.flow li{position:relative;background:var(--paper);padding:24px 22px 26px;margin-right:22px}
.flow li:not(:last-child)::after{content:"";position:absolute;right:-22px;top:0;bottom:0;width:22px;background:linear-gradient(135deg,transparent 50%,var(--sky) 50%) top/22px 50% no-repeat,linear-gradient(45deg,transparent 50%,var(--sky) 50%) bottom/22px 50% no-repeat,var(--paper);clip-path:polygon(0 0,100% 50%,0 100%)}
.flow li:last-child{margin-right:0;background:var(--graphite);color:var(--on-dark)}
.flow li:last-child p{color:var(--on-dark-2)}
.flow small{display:block;font-size:12px;font-weight:600;color:var(--ink-3);letter-spacing:.04em;text-transform:uppercase;margin-bottom:8px}
.flow h4{font-size:17px}
.flow p{margin-top:8px;font-size:14px;color:var(--ink-2)}

/* список с чёрточками */
.dash{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.dash li{position:relative;padding-left:24px;color:var(--ink-2)}
.dash li::before{content:"";position:absolute;left:0;top:.75em;width:12px;height:2px;background:var(--orange)}
.dash li b{color:var(--ink);font-weight:500}

/* фото с подписью */
.figure{margin:0}
.figure img{width:100%;object-fit:cover}
.figure figcaption{margin-top:10px;font-size:14px;color:var(--ink-3)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:center}

/* блок заявки */
.cta{background:var(--graphite);color:var(--on-dark);padding:clamp(56px,7vw,96px) 0;position:relative}
.cta::before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:var(--orange)}
.cta-in{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,5vw,80px);align-items:start}
.cta h2{max-width:14ch}
.cta .prose{color:var(--on-dark-2);margin-top:18px;font-size:18px}
.person{margin-top:36px;display:grid;gap:4px}
.person-name{font-size:22px}
.person-role{color:var(--on-dark-2);margin-bottom:12px}
.person a{text-decoration:none;font-variant-numeric:tabular-nums;font-size:20px}
.person a.big{font-size:clamp(26px,2.6vw,34px)}
.person a:hover{color:var(--orange-hi)}
.form{background:var(--paper);color:var(--ink);padding:clamp(24px,2.6vw,34px);display:grid;gap:16px}
.form-title{font-size:20px;font-weight:500}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form label{display:grid;gap:6px;font-size:14px;font-weight:500;color:var(--ink-2)}
.form input,.form select,.form textarea{font:400 16px/1.4 var(--font);color:var(--ink);background:var(--sky);border:1px solid var(--rule);border-radius:0;padding:12px 14px;width:100%}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--orange);outline:none;box-shadow:0 0 0 1px var(--orange)}
.form .check{display:flex;gap:10px;align-items:flex-start;font-weight:400}
.form .check input{width:20px;height:20px;padding:0;margin-top:1px;flex:none;accent-color:var(--orange)}
.form-foot{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.form-hint{font-size:14px;color:var(--ink-3)}
.trap{position:absolute;left:-9999px}
.form-status{min-height:1.5em;font-weight:500}
.form-status.err{color:#c4501a}
.form-status.ok{color:#2c7a4b}
[aria-invalid="true"]{border-color:var(--orange)!important}

/* контакты */
.contacts{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.contacts .card{padding:28px 30px;display:grid;gap:8px;align-content:start}
.contacts a{text-decoration:none;font-weight:500}
.contacts a:hover{color:var(--orange)}

/* подвал */
.foot{background:var(--graphite-2);color:var(--on-dark-2);padding:56px 0 40px;font-size:15px}
.foot-in{display:grid;grid-template-columns:1.2fr 1fr 1fr 1.2fr;gap:32px}
.foot h4{color:var(--on-dark);margin-bottom:14px;font-size:15px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.foot a{text-decoration:none}.foot a:hover{color:var(--on-dark)}
.foot .logo{color:var(--on-dark);margin-bottom:16px}
.foot-base{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* адаптив */
@media (max-width:1120px){
  .nav{display:none}
  .burger{display:grid;place-content:center;gap:7px;width:44px;height:44px;background:none;border:0;cursor:pointer}
  .burger i{display:block;width:24px;height:2px;background:var(--ink)}
  .top-phone{margin-left:auto}
  .nav.open{display:flex;position:fixed;inset:calc(76px + env(safe-area-inset-top,0px)) 0 auto;flex-direction:column;gap:0;background:var(--paper);border-bottom:1px solid var(--rule);padding:8px var(--pad) 24px}
  .nav.open a{padding:14px 0;font-size:20px;color:var(--ink);border-bottom:1px solid var(--rule)}
  .g4,.inds{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:1fr 1fr;gap:14px}
  .flow li{margin-right:0}
  .flow li::after{display:none}
  .steps{grid-template-columns:1fr 1fr}
  .steps li:nth-child(3){padding-left:0;border-left:0}
  .foot-in{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .sec-head,.phero-in,.faq,.cta-in,.split,.dirs{grid-template-columns:1fr}
  .dir-main{grid-row:auto}
  .dir-main picture img{min-height:0;aspect-ratio:16/9}
  .objs{grid-template-columns:1fr}
  .g3,.risk,.cases,.quotes,.contacts{grid-template-columns:1fr}
  .kpis{grid-template-columns:1fr 1fr;row-gap:16px}
  .kpis div:nth-child(3){padding-left:0;border-left:0}
  .nums{grid-template-columns:1fr}
  .nums div{border-left:0;border-top:1px solid var(--rule)}
  .nums div:first-child{border-top:0}
  .stage{aspect-ratio:auto;container-type:normal;background:none;display:grid;gap:12px}
  .stage>picture img{position:static;aspect-ratio:1.6;object-position:0 60%}
  .co{position:static}
  .co i{display:none}
  .co dl{position:static;width:auto;border-left:4px solid var(--orange);background:var(--paper);color:var(--ink)}
  .co dd{color:var(--ink-2)}
  .stage .bar{position:relative;left:auto;top:auto;width:auto}
  .hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,color-mix(in srgb,var(--sky) 85%,transparent),color-mix(in srgb,var(--sky) 40%,transparent))}
}
@media (max-width:620px){
  :root{--skew:26px}
  body{font-size:16px}
  .top-phone,.top-cta{margin-left:0;display:none}
  .burger{margin-left:auto}
  .g2,.g4,.inds,.flow,.row,.steps,.foot-in{grid-template-columns:1fr}
  .steps li,.steps li+li{padding:22px 0 18px;border-left:0;border-bottom:1px solid var(--rule)}
  .obj dl div{grid-template-columns:1fr;gap:2px}
  .spec th,.spec td{padding:12px 14px}
  .spec.stack thead{display:none}
  .spec.stack tr{display:block;padding:12px 0;border-bottom:1px solid var(--rule)}
  .spec.stack th,.spec.stack td{display:block;width:auto;border:0;padding:3px 16px}
  .bar{padding:20px calc(var(--skew) + 12px) 20px 24px}
}
.card>picture img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* первый экран: главное направление + входы для других задач */
.hero{min-height:min(92svh,880px);align-items:stretch;padding:64px 0 40px}
.hero>.wrap{display:flex;flex-direction:column;justify-content:space-between;gap:40px}
.proof{list-style:none;margin:30px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px 26px;font-size:15px;color:var(--ink-2)}
.proof li{display:flex;align-items:center;gap:8px}
.proof li::before{content:"";width:6px;height:6px;background:var(--orange);border-radius:50%}
.hero-alt{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.alt{display:grid;gap:6px;padding:20px 24px 22px;background:rgba(255,255,255,.94);color:#111b26;text-decoration:none;border-left:4px solid var(--graphite);transition:border-color .15s,transform .15s}
.alt:hover{border-color:var(--orange);transform:translateY(-2px)}
.alt-q{font-weight:600;font-size:17px;line-height:1.3}
.alt-a{font-size:14px;color:#4b5866;line-height:1.45}
.alt-a::after{content:" →";color:var(--orange);font-weight:600}
.top-call{display:none;width:44px;height:44px;place-items:center;color:var(--ink)}
.top-call svg{width:22px;height:22px}
.h3like{font-size:clamp(22px,2vw,28px);max-width:none}
.docs{display:grid;grid-template-columns:1fr 1fr auto;gap:24px 48px;align-items:center}
@media (max-width:900px){
  .hero{padding:0 0 32px;min-height:0;display:block}
  .hero>.bg{position:relative;inset:auto;z-index:0;height:clamp(200px,52vw,360px)}
  .hero>.bg img{object-position:75% 60%}
  .hero::after{display:none}
  .hero>.wrap{padding-top:28px;gap:28px}
  .hero-alt{grid-template-columns:1fr}
  .alt{border:1px solid var(--rule);border-left:4px solid var(--graphite);background:var(--paper);color:var(--ink)}
  .alt-a{color:var(--ink-2)}
  .docs{grid-template-columns:1fr}
}

/* отрасли */
.ot-jump{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.ot-jump a{padding:8px 14px;border:1px solid var(--rule);text-decoration:none;font-size:14px;color:var(--ink-2);background:var(--sky)}
.ot-jump a:hover{border-color:var(--ink);color:var(--ink)}
.ots{display:grid;gap:16px}
.ot{display:grid;grid-template-columns:1fr 1.1fr;gap:20px 48px;background:var(--paper);padding:clamp(22px,2.8vw,36px);scroll-margin-top:100px}
.ot p{margin-top:10px}
.ot-sol{list-style:none;margin:0;padding:0;display:grid;gap:10px;align-content:start}
.ot-sol a{display:grid;gap:2px;padding:14px 18px;background:var(--sky);text-decoration:none;border-left:3px solid var(--graphite);transition:border-color .15s}
.ot-sol a:hover{border-color:var(--orange)}
.ot-sol b{font-weight:600}
.ot-sol b::after{content:" →";color:var(--orange)}
.ot-sol span{font-size:14px;color:var(--ink-2)}
@media (max-width:900px){.ot{grid-template-columns:1fr}}

.hero-sub{margin-top:24px}
@media (max-width:1280px) and (min-width:1121px){.top-phone{display:none}}
@media (max-width:620px){
  .hero>.bg{height:160px}
  .hero h1{font-size:34px}
  .hero-sub{font-size:18px;margin-top:16px}
  .hero .actions{margin-top:22px}
  .hero .actions .btn-line{display:none}
  .proof{margin-top:18px;font-size:14px;gap:6px 16px}
  .alt{padding:14px 18px}
  .alt-q{font-size:16px}
}
.dir picture img{aspect-ratio:21/9}
.ind-band{display:grid;grid-template-columns:.8fr 1.6fr;gap:20px 40px;align-items:center}
.ind-band .ot-jump{margin-top:0}
.ind-band .label{margin-bottom:8px}
@media (max-width:900px){.ind-band{grid-template-columns:1fr}}
.hero{min-height:min(78svh,760px)}
.hero h1{max-width:18ch}
/* главная: три направления и разделы по каждому */
.tri{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tri li{display:flex}
.tri .dir{flex:1}
.tri picture img{aspect-ratio:16/9;object-fit:cover}
.napr .sec-head h2{max-width:20ch}
.napr-go{margin-top:clamp(28px,3vw,40px);display:flex;flex-wrap:wrap;align-items:center;gap:14px 24px}
.napr-go .muted{max-width:60ch;font-size:15px}
.sub-block{margin-top:22px;display:grid;grid-template-columns:1fr auto;gap:16px 40px;align-items:center;padding:clamp(22px,2.6vw,32px);background:var(--paper);border-left:4px solid var(--orange)}
.sec.white .sub-block{background:var(--sky)}
.sub-block h3{font-size:clamp(20px,1.8vw,24px)}
.sub-block .label{margin-bottom:8px}
.sub-block p.muted{margin-top:8px;max-width:70ch}
@media (max-width:900px){.tri{grid-template-columns:1fr}.sub-block{grid-template-columns:1fr}}
.grp{font-size:clamp(18px,1.5vw,21px);margin:clamp(32px,3.6vw,48px) 0 16px;padding-top:16px;border-top:1px solid var(--rule)}
.grp:first-of-type{margin-top:0}
.prod{display:flex;flex-direction:column;gap:10px}
.prod-type{font-size:12px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-3)}
.prod h3{font-size:22px}
.prod>p:not(.prod-type){color:var(--ink-2);font-size:16px}
.tags{list-style:none;margin:auto 0 0;padding:8px 0 0;display:flex;flex-wrap:wrap;gap:6px}
.tags li{font-size:13px;padding:4px 10px;background:var(--sky);color:var(--ink-2)}
.sec.white .tags li{background:var(--paper)}
.hero-main{max-width:680px}

.facts4{display:grid;grid-template-columns:repeat(4,1fr);background:var(--sky)}
.sec:not(.white) .facts4{background:var(--paper)}
.facts4 div{padding:26px 28px;border-left:1px solid var(--rule)}
.facts4 div:first-child{border-left:0}
.facts4 b{display:block;font-size:clamp(22px,2.1vw,30px);font-weight:500;letter-spacing:-.015em;line-height:1.15}
.facts4 span{display:block;margin-top:8px;color:var(--ink-2);font-size:15px;line-height:1.4}
@media (max-width:900px){.facts4{grid-template-columns:1fr 1fr}.facts4 div:nth-child(3){border-left:0}.facts4 div:nth-child(n+3){border-top:1px solid var(--rule)}}
@media (max-width:520px){.facts4{grid-template-columns:1fr}.facts4 div{border-left:0;border-top:1px solid var(--rule)}.facts4 div:first-child{border-top:0}}

@media (max-width:1120px){.top-cta{margin-left:auto}}
@media (max-width:620px){.burger{margin-left:auto}}
/* карточки направлений: «Подробнее» на одном уровне */
.dir{height:100%}
.dir-body{flex:1;grid-template-rows:auto auto 1fr auto}
.dir-body .more{align-self:end}

.hero h1.h1-main{font-size:clamp(32px,4vw,56px);line-height:1.1;max-width:23ch;font-weight:400}
/* схема «два рубежа» */
:root{--sch-ink:#3a424b;--sch-barrier:#4a535d;--sch-sub:#c9d0d7}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--sch-ink:#b7c2cd;--sch-barrier:#6b7682;--sch-sub:#3a4550}}
:root[data-theme="dark"]{--sch-ink:#b7c2cd;--sch-barrier:#6b7682;--sch-sub:#3a4550}
.two{display:grid;grid-template-columns:1.7fr 1fr;gap:clamp(24px,4vw,56px);align-items:center}
.two-fig{margin:0;background:var(--sky);padding:clamp(16px,2vw,28px)}
.sec:not(.white) .two-fig{background:var(--paper)}
.scheme{width:100%;height:auto;display:block}
.sch-t{font:600 26px var(--font)}
.sch-o{fill:var(--orange)}
.sch-n circle{fill:var(--orange)}
.sch-n text{font:700 20px var(--font);fill:#fff;text-anchor:middle}
.two-key{list-style:none;margin:0;padding:0;display:grid;gap:20px;counter-reset:k}
.two-key li{counter-increment:k;position:relative;padding-left:44px;color:var(--ink-2)}
.two-key li::before{content:counter(k);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;background:var(--orange);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px}
.two-key b{display:block;color:var(--ink);font-weight:600;margin-bottom:4px}
@media (max-width:900px){.two{grid-template-columns:1fr}}