:root{
  --paper:#F2F3EE; --card:#FFFFFF; --ink:#0B1210; --ink2:#46504B; --mute:#7C8781;
  --line:rgba(11,18,16,.12); --green:#1C9C5E; --green-d:#147A49; --signal:#3EE08A; --amber:#F5A524;
  --night:#08100D; --night2:#0F1A16; --nline:rgba(255,255,255,.12);
  --sans:"Onest",system-ui,-apple-system,"Segoe UI",sans-serif; --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
  --w:1200px; --r:18px;
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
.wrap{width:min(var(--w),100% - 40px);margin-inline:auto}
.mono{font-family:var(--mono)}
h1,h2,h3{line-height:1.08;letter-spacing:-.02em;font-weight:700;text-wrap:balance}
h2{font-size:clamp(30px,4.4vw,54px)}
h3{font-size:22px;letter-spacing:-.01em}
:focus-visible{outline:3px solid var(--signal);outline-offset:3px;border-radius:6px}

/* кнопки */
.btn{display:inline-flex;align-items:center;gap:10px;padding:16px 26px;border-radius:999px;border:1px solid transparent;font-weight:600;font-size:16px;transition:transform .2s,background .2s,box-shadow .2s,border-color .2s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn-go{background:var(--signal);color:#04130B;box-shadow:0 10px 30px -10px rgba(62,224,138,.7)}
.btn-go:hover{background:#5BEFA0}
.btn-ghost{border-color:var(--nline);color:#fff;background:rgba(255,255,255,.04);backdrop-filter:blur(6px)}
.btn-ghost:hover{border-color:var(--signal)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--green-d)}
.arrow{width:18px;height:18px;flex:none}

/* шапка */
.top{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .3s,box-shadow .3s,color .3s;color:#fff}
.top.dim{background:rgba(8,16,13,.82);backdrop-filter:blur(12px)}
.top.solid{background:rgba(242,243,238,.92);backdrop-filter:blur(14px);color:var(--ink);box-shadow:0 1px 0 var(--line)}
.top .wrap{display:flex;align-items:center;gap:28px;height:76px}
.logo{display:flex;align-items:center;gap:12px;flex:none}
.logo img{width:40px;height:44px;object-fit:contain}
.logo b{font-family:var(--mono);font-weight:700;font-size:20px;letter-spacing:.04em;display:block;line-height:1}
.logo small{font-size:11px;color:var(--signal);letter-spacing:.02em;display:block;margin-top:4px}
.top.solid .logo small{color:var(--green)}
.nav{display:flex;gap:26px;margin-left:auto;font-size:15px;font-weight:500}
.nav a{position:relative;padding:6px 0;opacity:.86}
.nav a:hover{opacity:1}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--signal);transition:right .25s}
.nav a:hover::after{right:0}
.tels{display:flex;flex-direction:column;align-items:flex-end;line-height:1.2;flex:none}
.tels a{font-family:var(--mono);font-weight:700;font-size:15px}
.tels span{font-size:11px;opacity:.7}
.top .btn{padding:11px 20px;font-size:14px}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid currentColor;background:none;color:inherit;opacity:.9;margin-left:auto}
.burger i{display:block;width:18px;height:2px;background:currentColor;margin:4px auto;transition:.25s}
.menu-open .burger i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-open .burger i:nth-child(2){opacity:0}
.menu-open .burger i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* первый экран */
.hero{position:relative;min-height:min(100svh,920px);background:var(--night);color:#fff;display:flex;align-items:flex-end;padding:140px 0 64px;overflow:hidden;isolation:isolate}
.hero video,.hero .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;filter:saturate(.6) brightness(.55) hue-rotate(40deg)}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;background:
  linear-gradient(90deg,rgba(8,16,13,.96) 0%,rgba(8,16,13,.78) 44%,rgba(8,16,13,.3) 100%),
  linear-gradient(0deg,var(--night) 0%,transparent 34%)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:end}
.kicker{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--signal);margin-bottom:22px}
.led{width:9px;height:9px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 0 rgba(62,224,138,.7);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 12px rgba(62,224,138,0)}100%{box-shadow:0 0 0 0 rgba(62,224,138,0)}}
h1{font-size:clamp(36px,5vw,68px);font-weight:800}
h1 em{font-style:normal;color:var(--signal)}
.lead{font-size:clamp(17px,1.5vw,20px);color:rgba(255,255,255,.78);max-width:560px;margin:24px 0 34px}
.cta{display:flex;flex-wrap:wrap;gap:12px}
.facts{display:grid;grid-template-columns:repeat(3,auto);justify-content:start;margin-top:40px;border-top:1px solid var(--nline)}
.facts div{padding:18px 24px 0 0;margin-right:24px;border-right:1px solid var(--nline)}
.facts div:last-child{border:0}
.facts b{font-family:var(--mono);font-size:26px;display:block;line-height:1.1}
.facts span{font-size:13px;color:rgba(255,255,255,.6)}

/* пульт */
.pult{position:relative;background:linear-gradient(180deg,rgba(14,26,21,.86),rgba(7,14,11,.9));border-radius:24px;backdrop-filter:blur(16px);padding:20px 20px 16px;font-family:var(--mono);font-size:13px;box-shadow:0 50px 90px -30px #000,0 0 0 1px rgba(255,255,255,.08),0 0 70px -20px rgba(62,224,138,.35)}
.pult::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:linear-gradient(140deg,rgba(62,224,138,.9),transparent 34%,transparent 66%,rgba(62,224,138,.45));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.pult-h{display:flex;justify-content:space-between;align-items:center;color:rgba(255,255,255,.55);padding-bottom:14px;border-bottom:1px solid var(--nline);text-transform:uppercase;letter-spacing:.06em;font-size:11px;gap:10px}
.pult-h b{color:var(--signal);font-weight:500;display:flex;gap:8px;align-items:center;white-space:nowrap}
.pult.talk .pult-h b{color:var(--amber)} .pult.talk .pult-h .led{background:var(--amber)}
.eq{display:none;gap:2px;align-items:flex-end;height:12px}
.pult.talk .eq{display:flex}
.eq i{width:2px;background:var(--amber);border-radius:1px;animation:eq .5s ease-in-out infinite alternate}
.eq i:nth-child(2){animation-delay:.15s}.eq i:nth-child(3){animation-delay:.3s}.eq i:nth-child(4){animation-delay:.1s}
@keyframes eq{from{height:2px}to{height:12px}}
.stage{display:grid;grid-template-columns:22px 1fr;gap:8px;margin:14px 0 12px}
.fls{padding-top:35px;display:grid;grid-auto-rows:24px;color:rgba(255,255,255,.3);font-size:10px;text-align:right;line-height:24px;align-content:start}
.shafts{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.sh{text-align:center}
.ind{height:26px;margin-bottom:8px;border:1px solid var(--nline);border-radius:8px;display:flex;align-items:center;justify-content:center;gap:5px;background:#050b09;color:var(--signal);font-weight:700;font-size:14px;text-shadow:0 0 10px rgba(62,224,138,.8)}
.ind .dir{font-size:9px;width:9px;opacity:0}
.ind .dir.on{opacity:1;animation:blink .7s steps(2) infinite}
@keyframes blink{50%{opacity:.25}}
.well{position:relative;height:194px;border:1px solid var(--nline);border-radius:8px;background:
  linear-gradient(90deg,transparent calc(50% - .5px),rgba(255,255,255,.1) calc(50% - .5px),rgba(255,255,255,.1) calc(50% + .5px),transparent calc(50% + .5px)),
  repeating-linear-gradient(0deg,transparent 0 23px,rgba(255,255,255,.07) 23px 24px),#060d0a;overflow:hidden}
.car{position:absolute;left:0;right:0;margin:0 auto;width:min(42px,calc(100% - 10px));bottom:1px;height:22px;border-radius:4px;background:#0a1a12;box-shadow:0 0 16px rgba(62,224,138,.55);will-change:transform;overflow:hidden}
.car .glow{position:absolute;inset:0;background:linear-gradient(180deg,#f2fff7,#9df5c4);opacity:0}
.car .dl,.car .dr{position:absolute;top:0;bottom:0;width:50%;background:linear-gradient(180deg,#52f09b,#22b267)}
.car .dl{left:0;transform-origin:left;border-right:1px solid rgba(4,19,11,.55)}
.car .dr{right:0;transform-origin:right}
.car svg{position:absolute;left:50%;top:50%;width:16px;height:16px;margin:-8px 0 0 -8px;color:#04130B;display:none}
.car.pax svg{display:block}
.sh.sos .car{box-shadow:0 0 22px rgba(245,165,36,.9)}
.sh.sos .car .dl,.sh.sos .car .dr{background:linear-gradient(180deg,#ffc55a,#f59a12)}
.sh.sos .ind{color:var(--amber);text-shadow:0 0 10px rgba(245,165,36,.8);border-color:var(--amber)}
.sh.sos .well{border-color:var(--amber);box-shadow:inset 0 0 26px rgba(245,165,36,.18)}
.callm{position:absolute;left:2px;width:5px;height:5px;border-radius:50%;background:var(--amber);box-shadow:0 0 8px var(--amber);display:none;animation:blink .6s steps(2) infinite}
.sh>b{display:block;margin-top:8px;font-weight:500;font-size:12px;color:#fff}
.sh>small{display:block;color:rgba(255,255,255,.45);font-size:10px;height:14px;white-space:nowrap}
.log{border-top:1px solid var(--nline);padding-top:12px;height:108px;display:flex;flex-direction:column;justify-content:flex-end;gap:5px;color:rgba(255,255,255,.4);font-size:12px;line-height:1.35;overflow:hidden}
.log p{display:flex;gap:10px}
.log p:last-child{color:#fff}
.log p.new{animation:in .35s both}
.log time{color:rgba(255,255,255,.3);flex:none}
.log .ok{color:var(--signal)} .log .wr{color:var(--amber)}
@keyframes in{from{opacity:0;transform:translateY(8px)}}
.pult-f{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-top:12px;padding-top:10px;border-top:1px solid var(--nline);font-size:10.5px;color:rgba(255,255,255,.45);text-transform:uppercase;letter-spacing:.05em}
.pult-f b{color:var(--signal);font-weight:500}
.pult-note{font-family:var(--sans);font-size:12px;color:rgba(255,255,255,.4);margin-top:10px}

/* цены, доп. услуги */
.price{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:16px;margin-bottom:56px}
.ptab{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:8px 28px}
.ptab div{display:flex;justify-content:space-between;gap:20px;padding:17px 0;border-bottom:1px solid var(--line);align-items:baseline}
.ptab div:last-child{border:0}
.ptab b{font-family:var(--mono);white-space:nowrap;font-size:17px}
.ptab b.free{color:var(--green)}
.pside{background:var(--ink);color:#fff;border-radius:var(--r);padding:28px;display:flex;flex-direction:column;gap:14px}
.pside h3{font-size:24px}
.pside p{color:rgba(255,255,255,.68);font-size:15.5px}
.pside ul{list-style:none;padding:0;display:grid;gap:10px;font-size:15px;margin:4px 0 8px}
.pside li{padding-left:24px;position:relative}
.pside li::before{content:"";position:absolute;left:0;top:8px;width:9px;height:9px;border-radius:50%;background:var(--signal)}
.pside .btn{margin-top:auto;justify-content:center}
.extra{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.extra a{background:var(--paper);padding:26px 24px;display:flex;flex-direction:column;gap:8px;min-height:170px;transition:background .25s}
.extra a:hover{background:var(--card)}
.extra h3{font-size:18px}
.extra p{font-size:14.5px;color:var(--ink2)}
.extra .n{font-family:var(--mono);font-size:12px;color:var(--green)}

/* секции */
section{padding:clamp(72px,9vw,128px) 0;position:relative}
.sec-h{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:end;margin-bottom:clamp(36px,5vw,64px)}
.floor{font-family:var(--mono);font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--green);display:flex;align-items:center;gap:12px;margin-bottom:18px}
.floor::before{content:attr(data-n);display:inline-grid;place-items:center;width:38px;height:28px;border-radius:6px;background:var(--ink);color:var(--signal);font-weight:700;letter-spacing:0}
.sec-h p{color:var(--ink2);font-size:18px;max-width:520px;justify-self:end}
.dark{background:var(--night);color:#fff}
.dark .sec-h p{color:rgba(255,255,255,.66)}
.dark .floor{color:var(--signal)} .dark .floor::before{background:var(--signal);color:var(--night)}
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s,transform .7s cubic-bezier(.2,.7,.2,1)}
.rv.on{opacity:1;transform:none}

/* услуги */
.svc{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.svc a{grid-column:span 4;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px;display:flex;flex-direction:column;min-height:250px;position:relative;overflow:hidden;transition:transform .3s,border-color .3s,box-shadow .3s}
.svc a:hover{transform:translateY(-4px);border-color:var(--green);box-shadow:0 26px 50px -30px rgba(11,18,16,.5)}
.svc a.big{grid-column:span 6;min-height:340px;background:var(--ink);color:#fff;border-color:var(--ink)}
.svc .n{font-family:var(--mono);font-size:12px;color:var(--mute)}
.svc h3{margin:14px 0 10px}
.svc a.big h3{font-size:30px}
.svc p{color:var(--ink2);font-size:15.5px}
.svc a.big p{color:rgba(255,255,255,.7);max-width:400px}
.svc .more{margin-top:auto;padding-top:22px;font-weight:600;font-size:15px;display:flex;align-items:center;gap:8px;color:var(--green)}
.svc a.big .more{color:var(--signal)}
.svc .more svg{transition:transform .25s}
.svc a:hover .more svg{transform:translateX(5px)}
.svc a.big img{position:absolute;right:0;top:0;height:100%;width:46%;object-fit:cover;opacity:.55;mask-image:linear-gradient(90deg,transparent,#000 60%)}
.svc a.big>*{position:relative}

/* схема */
.chain{display:grid;grid-template-columns:1fr 70px 1fr 70px 1fr 70px 1fr;align-items:stretch}
.node{border:1px solid var(--nline);border-radius:var(--r);padding:24px;background:var(--night2)}
.node .ic{width:46px;height:46px;border-radius:12px;background:rgba(62,224,138,.1);display:grid;place-items:center;color:var(--signal);margin-bottom:18px}
.node h3{font-size:19px;margin-bottom:8px}
.node p{font-size:14.5px;color:rgba(255,255,255,.62)}
.node ul{list-style:none;padding:0;margin-top:12px;display:flex;flex-wrap:wrap;gap:6px}
.node li{font-family:var(--mono);font-size:11px;border:1px solid var(--nline);border-radius:999px;padding:3px 9px;color:rgba(255,255,255,.75)}
.wire{align-self:center;height:2px;background:var(--nline);position:relative;overflow:hidden}
.wire::after{content:"";position:absolute;top:0;bottom:0;width:40%;background:linear-gradient(90deg,transparent,var(--signal),transparent);animation:run 1.8s linear infinite}
.wire:nth-of-type(4)::after{animation-delay:.45s}.wire:nth-of-type(6)::after{animation-delay:.9s}
@keyframes run{from{left:-40%}to{left:100%}}

/* оборудование */
.sys{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.sys article{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:grid;grid-template-columns:200px 1fr}
.sys img{width:100%;height:100%;object-fit:cover;min-height:260px}
.sys div{padding:28px}
.tag{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--green)}
.sys h3{font-size:26px;margin:8px 0 10px}
.sys p{color:var(--ink2);font-size:15.5px;margin-bottom:18px}
.link{font-weight:600;color:var(--green-d);border-bottom:1px solid currentColor}
.pick{margin-top:16px;background:var(--ink);color:#fff;border-radius:var(--r);padding:32px;display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:32px;align-items:center}
.pick h3{font-size:26px;margin-bottom:8px}
.pick p{color:rgba(255,255,255,.65);font-size:15.5px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips a{font-family:var(--mono);font-size:13px;padding:9px 14px;border:1px solid var(--nline);border-radius:999px;transition:.2s}
.chips a:hover{background:var(--signal);color:var(--night);border-color:var(--signal)}
.chips a.all{background:rgba(62,224,138,.12);color:var(--signal);border-color:transparent}

/* объекты */
.cases{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.case{grid-column:span 2}
.case:nth-child(-n+2){grid-column:span 3}
.when{display:block;margin-top:12px;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.5)}
.case{position:relative;border-radius:var(--r);overflow:hidden;min-height:340px;display:flex;align-items:flex-end;color:#fff;isolation:isolate;background:var(--ink)}
.case img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.case:hover img{transform:scale(1.05)}
.case::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(0deg,rgba(8,16,13,.94) 6%,rgba(8,16,13,.25) 62%,transparent)}
.case div{padding:28px}
.case .tag{color:var(--signal)}
.case h3{font-size:24px;margin:8px 0}
.case:nth-child(-n+2){min-height:440px}
.case:nth-child(-n+2) h3{font-size:30px}
.case p{color:rgba(255,255,255,.75);font-size:15.5px;max-width:460px}
.strip{display:flex;gap:12px;margin-top:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;scrollbar-width:thin}
.strip figure{flex:0 0 240px;scroll-snap-align:start}
.strip img{height:180px;width:100%;object-fit:cover;border-radius:14px}
.strip figcaption{font-size:13px;color:var(--ink2);margin-top:8px;line-height:1.35}

/* порядок работ */
.steps{display:grid;grid-template-columns:repeat(5,1fr);counter-reset:s;border-top:1px solid var(--line)}
.steps li{list-style:none;counter-increment:s;padding:26px 22px 0 0;position:relative}
.steps li::before{content:"0" counter(s);font-family:var(--mono);font-size:13px;color:var(--green);display:block;margin-bottom:34px}
.steps li::after{content:"";position:absolute;top:-6px;left:0;width:11px;height:11px;border-radius:50%;background:var(--green);box-shadow:0 0 0 5px var(--paper)}
.steps h3{font-size:19px;margin-bottom:8px}
.steps p{font-size:14.5px;color:var(--ink2)}

/* инженер */
.eng{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:56px;align-items:center}
.eng figure{position:relative}
.eng img{border-radius:var(--r);aspect-ratio:4/5;object-fit:cover;width:100%}
.eng figcaption{position:absolute;left:16px;bottom:16px;right:16px;background:rgba(8,16,13,.82);backdrop-filter:blur(8px);color:#fff;border-radius:12px;padding:12px 16px;font-size:13.5px}
.eng blockquote{font-size:clamp(22px,2.4vw,32px);line-height:1.3;letter-spacing:-.015em;font-weight:600;margin:6px 0 26px}
.eng ul{list-style:none;padding:0;display:grid;gap:12px;margin-bottom:30px}
.eng li{padding-left:30px;position:relative;color:var(--ink2)}
.eng li::before{content:"";position:absolute;left:0;top:9px;width:16px;height:2px;background:var(--green)}
.callbox{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.callbox .t{font-family:var(--mono);font-weight:700;font-size:clamp(22px,2.4vw,30px)}
.callbox small{display:block;font-family:var(--sans);font-weight:400;font-size:13px;color:var(--mute)}

/* вопросы */
.faq{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:56px}
details{border-bottom:1px solid var(--line)}
summary{list-style:none;cursor:pointer;padding:24px 50px 24px 0;font-weight:600;font-size:19px;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:6px;top:18px;font-family:var(--mono);font-size:26px;color:var(--green);transition:transform .25s}
details[open] summary::after{transform:rotate(45deg)}
details p{padding:0 50px 26px 0;color:var(--ink2)}

/* заявка */
.lead-sec{background:var(--night);color:#fff;overflow:hidden}
.lead-sec::before{content:"";position:absolute;right:-10%;top:-30%;width:60%;aspect-ratio:1;background:radial-gradient(circle,rgba(62,224,138,.2),transparent 62%);pointer-events:none}
.lead-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;position:relative}
.lead-grid h2{margin-bottom:18px}
.lead-grid>div>p{color:rgba(255,255,255,.68);max-width:460px}
.phones{margin-top:34px;display:grid;gap:18px}
.phones a{display:block;font-family:var(--mono);font-weight:700;font-size:clamp(24px,3vw,36px);line-height:1.1}
.phones a:hover{color:var(--signal)}
.phones span{font-size:13px;color:rgba(255,255,255,.55)}
form{background:var(--night2);border:1px solid var(--nline);border-radius:22px;padding:32px;display:grid;gap:16px}
label{font-size:13px;color:rgba(255,255,255,.6);display:grid;gap:7px}
input,select,textarea{font:inherit;color:#fff;background:rgba(255,255,255,.05);border:1px solid var(--nline);border-radius:12px;padding:14px 16px;width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--signal)}
select option{color:#000}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;line-height:1.4}
.agree input{width:18px;height:18px;flex:none;margin-top:1px;accent-color:var(--signal)}
.agree a{text-decoration:underline}
form .btn{justify-content:center}

/* подвал */
footer{background:#050B09;color:rgba(255,255,255,.6);padding:56px 0 110px;font-size:14.5px}
.f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
footer h4{color:#fff;font-size:14px;margin-bottom:14px;font-weight:600}
footer li{list-style:none;margin-bottom:8px}
footer ul{padding:0}
footer a:hover{color:var(--signal)}
.f-bot{margin-top:40px;padding-top:22px;border-top:1px solid var(--nline);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px}

/* шахта слева */
.rail{position:fixed;left:22px;top:50%;transform:translateY(-50%);z-index:40;display:none;flex-direction:column;align-items:center;gap:10px;mix-blend-mode:difference;color:#fff;pointer-events:none}
.rail .disp{font-family:var(--mono);font-weight:700;font-size:15px;border:1px solid currentColor;border-radius:6px;padding:3px 7px;min-width:38px;text-align:center}
.rail .tube{width:2px;height:220px;background:rgba(255,255,255,.3);position:relative}
.rail .rcar{position:absolute;left:-5px;width:12px;height:18px;border-radius:3px;background:#fff;top:0}
@media(min-width:1360px){.rail{display:flex}}

/* мобильная панель */
.mbar{display:none;position:fixed;left:10px;right:10px;bottom:10px;z-index:45;background:rgba(8,16,13,.92);backdrop-filter:blur(12px);border:1px solid var(--nline);border-radius:999px;padding:6px;gap:6px}
.mbar a{flex:1;text-align:center;padding:13px 8px;border-radius:999px;font-weight:600;font-size:14.5px;color:#fff}
.mbar a:last-child{background:var(--signal);color:var(--night)}

@media(max-width:1100px){
  .nav{position:fixed;inset:76px 0 auto 0;background:var(--paper);color:var(--ink);flex-direction:column;gap:0;padding:8px 20px 24px;margin:0;font-size:18px;box-shadow:0 30px 40px -20px rgba(0,0,0,.3);transform:translateY(-130%);transition:transform .35s;visibility:hidden}
  .menu-open .nav{transform:none;visibility:visible}
  .nav a{padding:15px 0;border-bottom:1px solid var(--line);opacity:1}
  .burger{display:block}
  .top .btn{display:none}
  .tels{margin-left:auto}.burger{margin-left:0}
  .hero .wrap{grid-template-columns:1fr}
  .chain{grid-template-columns:1fr;gap:0}
  .wire{width:2px;height:34px;justify-self:center}
  .wire::after{width:100%;height:40%;left:0;background:linear-gradient(180deg,transparent,var(--signal),transparent);animation-name:runv}
  @keyframes runv{from{top:-40%}to{top:100%}}
  .svc a{grid-column:span 6}.svc a.big{grid-column:span 12}
  .case,.case:nth-child(-n+2){grid-column:span 3}
  .extra{grid-template-columns:repeat(2,1fr)}
  .sys{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:26px}
  .eng,.faq,.lead-grid,.pick{grid-template-columns:1fr;gap:32px}
  .f-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:700px){
  body{font-size:16px}
  .wrap{width:calc(100% - 32px)}
  .top .wrap{height:64px;gap:12px}
  .nav{inset:64px 0 auto 0}
  .logo small,.tels span{display:none}
  .logo b{font-size:16px}
  .tels a:last-of-type{display:none}
  .tels a{font-size:13px}
  .hero{padding:104px 0 40px;min-height:0}
  .facts{grid-template-columns:1fr;margin-top:30px}
  .facts div{padding:12px 0;margin:0;border-right:0;border-bottom:1px solid var(--nline);display:grid;grid-template-columns:118px 1fr;gap:12px;align-items:center}
  .facts b{font-size:18px}
  .sec-h{grid-template-columns:1fr;gap:16px}
  .sec-h p{justify-self:start;font-size:16px}
  .svc a,.svc a.big{grid-column:span 12;min-height:0}
  .svc a.big{min-height:300px}
  .sys article{grid-template-columns:1fr}
  .sys img{min-height:0;height:200px}
  .cases{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:12px;margin-inline:-16px;padding:0 16px 10px;scrollbar-width:none}
  .case,.case:nth-child(-n+2){flex:0 0 84%;scroll-snap-align:center;min-height:380px}
  .case:nth-child(-n+2) h3{font-size:24px}
  .steps{grid-template-columns:1fr}
  .steps li::before{margin-bottom:12px}
  .hero video{display:none}
  .shafts{gap:6px}
  .pult{padding:16px 14px 14px}
  .price{grid-template-columns:1fr;margin-bottom:40px}
  .ptab{padding:4px 18px}
  .ptab b{font-size:15px}
  .extra{grid-template-columns:1fr}
  .extra a{min-height:0}
  summary{font-size:17px}
  form{padding:22px}
  .f-grid{grid-template-columns:1fr}
  .mbar{display:flex}
  .cta .btn{flex:1;justify-content:center}
}
@media(prefers-reduced-motion:reduce){*:not(.pult):not(.pult *){animation:none!important;transition:none!important}.rv{opacity:1;transform:none}html{scroll-behavior:auto}}

/* ===== внутренние страницы ===== */
.phead{padding:120px 0 56px}
.phead .wrap{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:56px;align-items:center}
.crumbs{font-family:var(--mono);font-size:12px;color:var(--mute);display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.crumbs a:hover{color:var(--green)}
.phead h1{font-size:clamp(32px,4.2vw,56px);font-weight:800}
.phead h1 em{color:var(--green-d)}
.phead .lead{color:var(--ink2);margin:20px 0 0}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0 30px}
.pill{border:1px solid var(--line);border-radius:999px;padding:8px 15px;font-size:14px;background:var(--card)}
.pill b{font-family:var(--mono)}
.phead figure img{border-radius:var(--r);aspect-ratio:4/3;object-fit:cover;width:100%}
.btn-line{border-color:var(--line);color:var(--ink);background:var(--card)}
.btn-line:hover{border-color:var(--green)}
.toc{position:sticky;top:76px;z-index:30;background:rgba(242,243,238,.94);backdrop-filter:blur(10px);border-block:1px solid var(--line)}
.toc .wrap{display:flex;gap:4px;overflow-x:auto;padding:10px 0;scrollbar-width:none}
.toc a{white-space:nowrap;font-size:14px;padding:7px 14px;border-radius:999px;color:var(--ink2);transition:.2s}
.toc a:hover{background:var(--ink);color:#fff}
section.blk{padding:clamp(44px,5.5vw,76px) 0;scroll-margin-top:130px}
.blk h2{font-size:clamp(26px,3.2vw,40px);margin-bottom:26px}
.blk>.wrap>p,.prose p{color:var(--ink2);max-width:760px;margin-bottom:16px}
.two{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);gap:48px;align-items:start}
.two h2{margin-bottom:14px}
.two>div:first-child p{color:var(--ink2)}
.check{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:14px 28px}
.check li{padding-left:30px;position:relative}
.check li::before{content:"";position:absolute;left:2px;top:6px;width:14px;height:8px;border-left:2px solid var(--green);border-bottom:2px solid var(--green);transform:rotate(-45deg)}
.tblw{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
.tbl{width:100%;border-collapse:collapse;font-size:15.5px;min-width:520px}
.tbl th,.tbl td{padding:15px 22px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.tbl tr:last-child td{border-bottom:0}
.tbl th{font-family:var(--mono);font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--mute);background:#FAFAF7;font-weight:500}
.tbl td.num{font-family:var(--mono);font-weight:700;white-space:nowrap}
.tbl td.yes{color:var(--green-d);font-weight:600}
.tbl .hl{background:rgba(62,224,138,.1)}
.note{font-size:14px;color:var(--mute);margin-top:12px}
.vsteps{list-style:none;padding:0;counter-reset:v;border-top:1px solid var(--line)}
.vsteps li{counter-increment:v;display:grid;grid-template-columns:56px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid var(--line)}
.vsteps li::before{content:"0" counter(v);font-family:var(--mono);color:var(--green);font-size:14px;padding-top:4px}
.vsteps h3{font-size:19px;margin-bottom:6px}
.vsteps p{color:var(--ink2);font-size:15.5px}
.cards4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cards4>div{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.cards4 h3{font-size:18px;margin-bottom:8px}
.cards4 p{font-size:14.5px;color:var(--ink2)}
.author{display:flex;gap:18px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px 24px;font-size:14.5px;color:var(--ink2)}
.author img{width:64px;height:64px;border-radius:50%;object-fit:cover;flex:none}
.author b{color:var(--ink);display:block;font-size:16px}
.inner .faq{grid-template-columns:1fr}
.inner .cases .case,.inner .cases .case:nth-child(-n+2){grid-column:span 2;min-height:320px}
.inner .cases .case:nth-child(-n+2) h3{font-size:24px}
/* карточка блока */
.prod{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:48px;align-items:start}
.pimg{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;position:sticky;top:150px}
.pimg img{width:100%;aspect-ratio:3/2;object-fit:contain}
.pimg figcaption{font-family:var(--mono);font-size:12px;color:var(--mute);text-align:center;margin-top:12px}
.vers{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:24px 0 20px}
.vers button{border:1px solid var(--line);background:var(--card);border-radius:14px;padding:14px 16px;text-align:left;color:var(--ink);transition:.2s;position:relative}
.vers button:hover{border-color:var(--green)}
.vers button[aria-selected=true]{border-color:var(--ink);background:var(--ink);color:#fff}
.vers b{font-family:var(--mono);font-size:20px;display:block}
.vers small{font-size:12.5px;opacity:.7;display:block;line-height:1.3;margin-top:4px}
.rec{position:absolute;top:-9px;right:10px;font-family:var(--mono);font-size:10px;background:var(--signal);color:var(--night);padding:2px 8px;border-radius:999px;text-transform:uppercase;letter-spacing:.04em}
.vpanel[hidden]{display:none}
.vpanel>p{color:var(--ink2)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:10px 24px;font-size:15.5px;margin:18px 0 22px;padding:18px 0;border-block:1px solid var(--line)}
.kv dt{color:var(--mute)} .kv dd{margin:0}
.buy{display:flex;flex-wrap:wrap;gap:18px 28px;align-items:center}
.pricebig{font-family:var(--mono);font-weight:700;font-size:34px;line-height:1}
.pricebig small{display:block;font-family:var(--sans);font-weight:400;font-size:12.5px;color:var(--mute);margin-top:6px}
.kit{columns:2;column-gap:32px;padding-left:20px;color:var(--ink2)}
.kit li{margin-bottom:8px;break-inside:avoid}
.docs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;list-style:none;padding:0}
.docs a{display:flex;gap:12px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 16px;font-size:14.5px;transition:.2s}
.docs a:hover{border-color:var(--green)}
.docs a::before{content:"PDF";font-family:var(--mono);font-size:10px;background:var(--ink);color:var(--signal);padding:4px 6px;border-radius:5px}
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.gal img{border-radius:14px;aspect-ratio:1;object-fit:cover;width:100%}
.gal figcaption{font-size:13px;color:var(--ink2);margin-top:8px;line-height:1.35}
@media(max-width:1100px){
  .phead .wrap,.two,.prod{grid-template-columns:1fr;gap:32px}
  .pimg{position:static}
  .cards4{grid-template-columns:repeat(2,1fr)}
  .docs{grid-template-columns:repeat(2,1fr)}
  .inner .cases .case,.inner .cases .case:nth-child(-n+2){grid-column:span 3}
}
@media(max-width:700px){
  .phead{padding:92px 0 36px}
  .toc{top:64px}
  .check,.cards4,.docs{grid-template-columns:1fr}
  .kit{columns:1}
  .gal{grid-template-columns:repeat(2,1fr)}
  .vers b{font-size:17px}.vers button{padding:12px 10px}.vers small{font-size:11.5px}
  .tbl th,.tbl td{padding:12px 14px}
  .vsteps li{grid-template-columns:36px 1fr;gap:10px}
  .pricebig{font-size:28px}
  .buy .btn{flex:1;justify-content:center}
}