/* ============================================================
   ОКТАВА-ЭЛЕКТРОНДИЗАЙН — Premium Technical Design System
   Mobile-first · Dark instrumentation aesthetic · Phosphor green
   ============================================================ */

:root{
  /* Palette — dark instrumentation environment */
  --bg:        #04070d;
  --bg-2:      #060b13;
  --bg-3:      #0a1220;
  --panel:     rgba(15,24,38,.55);
  --panel-hard:#0b1320;
  --line:      rgba(148,184,210,.13);
  --line-2:    rgba(148,184,210,.22);

  --ink:       #edf4fa;          /* loud text */
  --text:      #b9c7d6;          /* body */
  --muted:     #7d90a3;          /* secondary */
  --faint:     #55687c;          /* tertiary */

  --green:     #35e878;          /* phosphor */
  --green-2:   #7dffb2;
  --green-dim: #1a8f4c;
  --amber:     #ffc64d;          /* spectrum peaks */
  --red:       #ff5d5d;

  --grad-text: linear-gradient(100deg,#f2fff7 0%,#a9f5c8 42%,#35e878 78%,#23b763 100%);
  --glow-green: 0 0 24px rgba(53,232,120,.35), 0 0 64px rgba(53,232,120,.12);

  /* Type */
  --font-display:'Unbounded',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-text:'Manrope',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-mono:'JetBrains Mono','SF Mono',Consolas,monospace;

  /* Rhythm */
  --gutter: clamp(20px,5vw,64px);
  --rail: clamp(0px,2.2vw,40px);       /* framed hairline rails */
  --sect: clamp(84px,12vh,148px);
  --radius:14px;

  --ease-out: cubic-bezier(.23,.34,.18,1);
  --ease-io:  cubic-bezier(.44,0,.56,1);

  --head-h: 74px;
  --head-extra: 0px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html:focus-within{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-text);
  font-size:16px;line-height:1.65;
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img,svg,video,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul[role='list'],ol[role='list']{list-style:none}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:4px}
::selection{background:rgba(53,232,120,.28);color:#fff}

/* Film-grain + vignette atmosphere */
body::before{
  content:"";position:fixed;inset:0;z-index:2147483000;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.05'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(1200px 500px at 50% -10%,rgba(53,232,120,.05),transparent 60%),
    radial-gradient(900px 600px at 100% 110%,rgba(35,95,160,.07),transparent 60%),
    var(--bg);
}

/* Framed blueprint rails (desktop) */
.rails{position:fixed;inset:0;z-index:1;pointer-events:none;display:none}
@media(min-width:1100px){
  .rails{display:block}
  .rails::before,.rails::after{
    content:"";position:absolute;top:0;bottom:0;width:1px;
    background:linear-gradient(180deg,transparent,var(--line) 12%,var(--line) 88%,transparent);
  }
  .rails::before{left:calc(var(--rail) + 12px)}
  .rails::after{right:calc(var(--rail) + 12px)}
}

/* ---------- Utilities ---------- */
.wrap{width:100%;max-width:1460px;margin-inline:auto;padding-inline:var(--gutter);position:relative;z-index:2}
.mono{font-family:var(--font-mono)}
.tag{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--green);white-space:nowrap;
}
.tag::before{content:"";width:22px;height:1px;background:var(--green);box-shadow:var(--glow-green)}
.tag--plain::before{display:none}
.section{padding-block:var(--sect);position:relative}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;gap:18px 32px;margin-bottom:clamp(36px,6vh,64px)}
.section-num{
  font-family:var(--font-mono);font-size:12px;color:var(--faint);letter-spacing:.2em;
  display:flex;align-items:center;gap:10px;
}
.section-num b{color:var(--green);font-weight:500}
.section-head h2{flex:1 1 100%}

h1,h2,h3{font-family:var(--font-display);color:var(--ink);font-weight:700;line-height:1.08;text-wrap:balance}
h1{font-size:clamp(30px,7.4vw,88px);letter-spacing:-.01em;text-transform:uppercase}
h2{font-size:clamp(24px,4.6vw,52px);letter-spacing:-.005em}
h3{font-size:clamp(17px,2.4vw,24px);font-weight:600;line-height:1.25}
.lede{font-size:clamp(16px,1.6vw,20px);color:var(--text);max-width:62ch}
.grad-text{
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;
  color:transparent;-webkit-text-fill-color:transparent;
  filter:drop-shadow(0 2px 18px rgba(53,232,120,.18));
}
.small{font-size:13px;color:var(--muted)}
.hr{height:1px;background:linear-gradient(90deg,transparent,var(--line-2),transparent);border:0}

/* Reveal on scroll — только при активном JS (.js на <html>) */
.js .rv{opacity:0;transform:translateY(34px);transition:opacity .9s var(--ease-out),transform .9s var(--ease-out);transition-delay:var(--d,0s)}
.js .rv.in{opacity:1;transform:none}
.js .rv-l{transform:translateX(-40px)}
.js .rv-r{transform:translateX(40px)}
.js .rv-s{transform:scale(.94)}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .rv{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- Buttons ---------- */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:12px;
  padding:15px 28px;border-radius:999px;border:1px solid var(--line-2);
  font-family:var(--font-mono);font-size:13px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink);background:rgba(14,23,37,.5);cursor:pointer;overflow:hidden;
  transition:transform .45s var(--ease-out),border-color .3s,box-shadow .45s,background .3s;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.btn svg{width:16px;height:16px;flex:none}
.btn::after{ /* shine sweep */
  content:"";position:absolute;inset:-40% -60%;
  background:linear-gradient(105deg,transparent 42%,rgba(255,255,255,.16) 50%,transparent 58%);
  transform:translateX(-120%);transition:transform .9s var(--ease-out);
}
.btn:hover{transform:translateY(-2px);border-color:rgba(53,232,120,.5)}
.btn:hover::after{transform:translateX(120%)}
.btn:active{transform:translateY(0) scale(.98)}
.btn--solid{
  background:linear-gradient(135deg,#2fd672,#1ca355);border-color:transparent;color:#03120a;
  font-weight:700;box-shadow:0 8px 30px rgba(53,232,120,.28),inset 0 1px 0 rgba(255,255,255,.35);
}
.btn--solid:hover{box-shadow:0 12px 42px rgba(53,232,120,.42)}
.btn--solid::after{background:linear-gradient(105deg,transparent 42%,rgba(255,255,255,.45) 50%,transparent 58%)}
.btn--ghost{background:transparent}
.btn--sm{padding:11px 20px;font-size:11px}

/* Conic rotating border button (hero CTA) */
.btn-conic{position:relative;isolation:isolate}
.btn-conic::before{
  content:"";position:absolute;inset:-1px;border-radius:inherit;z-index:-1;
  background:conic-gradient(from var(--a,0deg),transparent 0 70%,var(--green) 82%,#baffd9 88%,transparent 96%);
  animation:spin 4.5s linear infinite;
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;padding:1.5px;
}
@property --a{syntax:'<angle>';initial-value:0deg;inherits:false}
@keyframes spin{to{--a:360deg}}

.link-arrow{
  display:inline-flex;align-items:center;gap:10px;color:var(--green);
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;
}
.link-arrow svg{width:15px;height:15px;transition:transform .4s var(--ease-out)}
.link-arrow:hover svg{transform:translateX(6px)}

/* ---------- Header ---------- */
.site-head{
  position:fixed;inset:0 0 auto;z-index:1000;
  transition:background .4s,border-color .4s,transform .5s var(--ease-out);
  border-bottom:1px solid transparent;
}
.site-head.scrolled{
  background:rgba(4,8,14,.78);border-bottom-color:var(--line);
  backdrop-filter:blur(18px) saturate(1.3);-webkit-backdrop-filter:blur(18px) saturate(1.3);
}
.site-head.hidden{transform:translateY(-110%)}
.head-top{
  display:none;border-bottom:1px solid var(--line);
  font-family:var(--font-mono);font-size:11px;color:var(--muted);letter-spacing:.06em;
}
.head-top .wrap{display:flex;gap:26px;align-items:center;height:34px}
.head-top a{color:var(--text)}
.head-top a:hover{color:var(--green)}
.head-top .dot{width:3px;height:3px;border-radius:50%;background:var(--green);display:inline-block;margin-right:7px;box-shadow:var(--glow-green)}
.head-top .spacer{flex:1}
@media(min-width:900px){.head-top{display:block}}

.head-main{position:relative}
.head-main .wrap{display:flex;align-items:center;gap:14px;min-height:var(--head-h);flex-wrap:wrap}
@media(max-width:859px){
  :root{--head-extra:58px}
  .head-main .wrap{padding:10px 0 12px;row-gap:10px}
  .head-search{order:3;flex:1 1 100%;max-width:none;margin-inline:0}
  .search-box{height:44px}
  .search-box kbd{display:none}
  .brand-name b{font-size:13px}
  .brand-logo{width:38px;height:38px}
}
.brand{display:flex;align-items:center;gap:13px;flex:none;z-index:5}
.brand-logo{width:44px;height:44px;flex:none;transition:transform .6s var(--ease-out)}
.brand:hover .brand-logo{transform:rotate(90deg)}
.brand-name{display:flex;flex-direction:column;line-height:1.1}
.brand-name b{font-family:var(--font-display);font-size:14.5px;font-weight:700;color:var(--ink);letter-spacing:.02em;white-space:nowrap}
.brand-name span{font-family:var(--font-mono);font-size:9.5px;color:var(--muted);letter-spacing:.22em;text-transform:uppercase;margin-top:4px}

/* Search — always visible, central */
.head-search{position:relative;flex:1 1 auto;max-width:560px;margin-inline:auto}
@media(min-width:1100px){.head-search{flex:1 1 380px}}
.search-box{
  display:flex;align-items:center;gap:10px;height:46px;
  border:1px solid var(--line-2);border-radius:999px;padding:0 8px 0 18px;
  background:rgba(10,18,30,.6);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:border-color .3s,box-shadow .3s,background .3s;
}
.search-box:focus-within{border-color:rgba(53,232,120,.55);box-shadow:0 0 0 4px rgba(53,232,120,.08),var(--glow-green);background:rgba(8,15,25,.85)}
.search-box svg{width:17px;height:17px;color:var(--green);flex:none}
.search-box input{
  flex:1;min-width:0;background:none;border:0;outline:0;color:var(--ink);
  font-size:14px;font-family:var(--font-text);
}
.search-box input::placeholder{color:var(--faint)}
.search-box kbd{
  font-family:var(--font-mono);font-size:10px;color:var(--muted);
  border:1px solid var(--line-2);border-radius:6px;padding:3px 7px;flex:none;
}
@media(max-width:599px){.search-box kbd{display:none}}
/* Search results dropdown */
.search-pop{
  position:absolute;top:calc(100% + 10px);left:0;right:0;z-index:60;
  background:rgba(7,12,20,.92);border:1px solid var(--line-2);border-radius:16px;
  backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
  box-shadow:0 30px 70px rgba(0,0,0,.6),0 0 0 1px rgba(53,232,120,.06);
  max-height:min(430px,60vh);overflow:auto;overscroll-behavior:contain;
  opacity:0;transform:translateY(-8px);pointer-events:none;
  transition:opacity .25s var(--ease-out),transform .25s var(--ease-out);
}
.search-pop.open{opacity:1;transform:none;pointer-events:auto}
.search-pop::-webkit-scrollbar{width:5px}
.search-pop::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:99px}
.sp-group{padding:10px 8px 4px}
.sp-label{font-family:var(--font-mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--faint);padding:6px 12px 8px}
.sp-item{
  display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:10px;cursor:pointer;
  transition:background .2s;
}
.sp-item:hover,.sp-item.active{background:rgba(53,232,120,.08)}
.sp-item svg{width:16px;height:16px;color:var(--green);flex:none}
.sp-item .t{font-size:14px;color:var(--ink);font-weight:600;line-height:1.3}
.sp-item .t mark{background:none;color:var(--green-2)}
.sp-item .s{font-size:12px;color:var(--muted);margin-top:2px}
.sp-empty{padding:26px 20px;text-align:center;color:var(--muted);font-size:13.5px}

/* Nav */
.main-nav{margin-left:auto;display:none}
.main-nav ul{display:flex;gap:4px;list-style:none}
.main-nav a{
  position:relative;display:block;padding:10px 13px;font-size:13.5px;font-weight:600;color:var(--text);
  border-radius:9px;transition:color .25s;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:5px;height:1.5px;border-radius:2px;
  background:var(--green);box-shadow:var(--glow-green);transform:scaleX(0);transform-origin:left;
  transition:transform .45s var(--ease-out);
}
.main-nav a:hover{color:var(--ink)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a[aria-current]{color:var(--green)}
.main-nav a[aria-current]::after{transform:scaleX(1)}
@media(min-width:1200px){.main-nav{display:block}}

.burger{
  margin-left:auto;width:46px;height:46px;flex:none;border-radius:12px;
  border:1px solid var(--line-2);background:rgba(10,18,30,.6);cursor:pointer;
  display:grid;place-items:center;gap:0;z-index:5;
}
.burger span{display:block;width:19px;height:1.6px;background:var(--ink);border-radius:2px;transition:.35s var(--ease-out)}
.burger span+span{margin-top:5px}
.burger.open span:nth-child(1){transform:translateY(3.3px) rotate(45deg)}
.burger.open span:nth-child(2){transform:translateY(-3.3px) rotate(-45deg)}
@media(min-width:1200px){.burger{display:none}}

/* Mobile nav drawer */
.mnav{
  position:fixed;inset:0;z-index:990;background:rgba(3,6,11,.6);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  opacity:0;pointer-events:none;transition:opacity .35s;
}
.mnav.open{opacity:1;pointer-events:auto}
.mnav-panel{
  position:absolute;inset:0 0 0 auto;width:min(420px,92vw);
  background:linear-gradient(180deg,#070d17,#04070d);
  border-left:1px solid var(--line-2);
  padding:calc(var(--head-h) + var(--head-extra) + 30px) 30px 40px;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .55s var(--ease-out);
  overflow:auto;
}
.mnav.open .mnav-panel{transform:none}
.mnav-panel a.mlink{
  display:flex;align-items:baseline;gap:16px;padding:17px 4px;
  border-bottom:1px solid var(--line);color:var(--ink);
  font-family:var(--font-display);font-size:19px;font-weight:600;
  opacity:0;transform:translateX(26px);transition:.5s var(--ease-out);
}
.mnav.open .mnav-panel a.mlink{opacity:1;transform:none;transition-delay:calc(.06s*var(--i))}
.mnav-panel a.mlink i{font-family:var(--font-mono);font-style:normal;font-size:11px;color:var(--green)}
.mnav-panel a.mlink:hover{color:var(--green)}
.mnav-foot{margin-top:auto;padding-top:34px;font-family:var(--font-mono);font-size:12px;color:var(--muted);line-height:2}
.mnav-foot a{color:var(--green)}

/* Scroll progress */
.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:1200;pointer-events:none}
.progress i{
  display:block;height:100%;width:100%;transform-origin:left;transform:scaleX(0);
  background:linear-gradient(90deg,var(--green),var(--green-2));box-shadow:var(--glow-green);
}
.progress b{
  position:absolute;top:8px;right:14px;font-family:var(--font-mono);font-weight:400;
  font-size:10px;color:var(--green);opacity:.8;letter-spacing:.1em;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;
  padding-top:calc(var(--head-h) + var(--head-extra) + 40px);overflow:hidden;isolation:isolate;
}
.hero-canvas{position:absolute;inset:0;z-index:-2;width:100%;height:100%}
.hero-bg{
  position:absolute;inset:-6% 0;z-index:-3;object-fit:cover;width:100%;height:112%;
  opacity:.5;will-change:transform;
}
.hero-veil{
  position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(180deg,rgba(4,7,13,.62) 0%,rgba(4,7,13,.18) 34%,rgba(4,7,13,.78) 62%,var(--bg) 92%),
    radial-gradient(60% 50% at 68% 40%,rgba(53,232,120,.08),transparent 70%);
}
.hero .wrap{padding-bottom:clamp(46px,7vh,90px)}
.hero-badge{margin-bottom:26px}
.hero h1{max-width:13ch}
.hero h1 .row{display:block;overflow:hidden;padding-bottom:.06em;margin-bottom:-.06em}
.js .hero h1 .word{display:inline-block;transform:translateY(110%) rotate(3deg);transform-origin:left bottom}
.hero h1 .word{display:inline-block}
.hero h1 .row.grad-text{background:none;filter:none}
.hero h1 .row.grad-text .word{
  background:var(--grad-text);-webkit-background-clip:text;background-clip:text;
  color:transparent;-webkit-text-fill-color:transparent;
  filter:drop-shadow(0 2px 18px rgba(53,232,120,.18));
}
.hero-sub{
  margin-top:26px;max-width:56ch;font-size:clamp(15px,1.5vw,18.5px);color:var(--text);
}
.js .hero-sub{opacity:0;transform:translateY(18px);transition:1s var(--ease-out) .8s}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.js .hero-cta{opacity:0;transform:translateY(18px);transition:1s var(--ease-out) 1s}
.hero.loaded .hero-sub,.hero.loaded .hero-cta{opacity:1;transform:none}
.js .hero.loaded h1 .word{transform:none;transition:transform 1.1s var(--ease-out);transition-delay:calc(.08s*var(--wi) + .15s)}

.hero-meta{
  display:flex;flex-wrap:wrap;gap:0;margin-top:clamp(34px,5vh,54px);
  border-top:1px solid var(--line);
}
.js .hero-meta{opacity:0;transition:opacity 1.2s var(--ease-out) 1.3s}
.hero.loaded .hero-meta{opacity:1}
.hm-item{
  flex:1 1 150px;padding:18px 22px 4px 0;display:flex;flex-direction:column;gap:7px;
  border-right:1px solid var(--line);margin-right:22px;
}
.hm-item:last-child{border-right:0;margin-right:0}
.hm-item b{font-family:var(--font-mono);font-weight:500;font-size:clamp(19px,2.2vw,25px);color:var(--ink)}
.hm-item b em{font-style:normal;color:var(--green)}
.hm-item span{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* Crosshair measurement readout */
.hero-hud{
  position:absolute;z-index:3;pointer-events:none;left:0;top:0;will-change:transform;
  font-family:var(--font-mono);font-size:10.5px;color:var(--green);letter-spacing:.08em;
  opacity:0;transition:opacity .3s;
}
.hero:hover .hero-hud{opacity:1}
.hero-hud .box{
  position:relative;transform:translate(18px,-50%);white-space:nowrap;
  background:rgba(4,10,8,.72);border:1px solid rgba(53,232,120,.35);border-radius:8px;
  padding:8px 11px;backdrop-filter:blur(4px);
}
.hero-hud .box::before{
  content:"";position:absolute;left:-19px;top:50%;width:14px;height:1px;background:rgba(53,232,120,.6);
}
.hero-hud .box::after{
  content:"";position:absolute;left:-27px;top:calc(50% - 4px);width:9px;height:9px;border-radius:50%;
  border:1px solid rgba(53,232,120,.7);box-shadow:0 0 10px rgba(53,232,120,.5);
}
.hero-hud b{color:#d9ffe9;font-weight:500}
@media(hover:none){.hero-hud{display:none}}

.scroll-cue{
  position:absolute;bottom:clamp(120px,17vh,170px);right:calc(var(--gutter)*.5);z-index:3;
  display:none;align-items:center;gap:14px;font-family:var(--font-mono);
  font-size:10px;letter-spacing:.3em;text-transform:uppercase;color:var(--muted);
  writing-mode:vertical-rl;
}
.scroll-cue i{width:1px;height:56px;background:var(--line-2);position:relative;overflow:hidden}
.scroll-cue i::after{content:"";position:absolute;inset:0;background:var(--green);animation:cue 2.2s var(--ease-io) infinite}
@keyframes cue{0%{transform:translateY(-100%)}60%,100%{transform:translateY(100%)}}
@media(min-width:900px){.scroll-cue{display:flex}}

/* ---------- Ticker ---------- */
.ticker{
  border-block:1px solid var(--line);padding:15px 0;overflow:hidden;position:relative;
  background:linear-gradient(180deg,rgba(53,232,120,.03),transparent);
  -webkit-mask:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
}
.ticker-track{display:flex;gap:56px;width:max-content;animation:tick 46s linear infinite}
.ticker:hover .ticker-track{animation-play-state:paused}
.ticker-track span{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.16em;color:var(--muted);
  text-transform:uppercase;white-space:nowrap;display:flex;align-items:center;gap:56px;
}
.ticker-track span::after{content:"";width:5px;height:5px;border-radius:50%;background:var(--green);opacity:.6}
@keyframes tick{to{transform:translateX(-50%)}}

/* ---------- Applications (направления) ---------- */
.apps-grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden;grid-template-columns:1fr}
@media(min-width:640px){.apps-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1100px){.apps-grid{grid-template-columns:repeat(3,1fr)}}
.app-card{
  position:relative;background:var(--bg-2);padding:clamp(24px,3vw,38px);overflow:hidden;
  transition:background .5s;isolation:isolate;min-height:210px;display:flex;flex-direction:column;
}
.app-card::before{ /* hover spectrum wash */
  content:"";position:absolute;inset:0;z-index:-1;opacity:0;transition:opacity .6s;
  background:
    radial-gradient(120% 90% at 50% 110%,rgba(53,232,120,.14),transparent 60%);
}
.app-card:hover::before{opacity:1}
.app-icon{width:46px;height:46px;color:var(--green);margin-bottom:auto;transition:transform .6s var(--ease-out)}
.app-card:hover .app-icon{transform:translateY(-4px)}
.app-icon svg{width:100%;height:100%}
.app-card h3{margin:26px 0 8px;font-size:18px;transition:color .3s}
.app-card:hover h3{color:var(--green-2)}
.app-card p{font-size:13.5px;color:var(--muted);line-height:1.6}
.app-idx{
  position:absolute;top:20px;right:22px;font-family:var(--font-mono);font-size:10.5px;
  color:var(--faint);letter-spacing:.15em;
}
.app-card::after{ /* baseline trace */
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--green),var(--green-2));box-shadow:var(--glow-green);
  transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease-out);
}
.app-card:hover::after{transform:scaleX(1)}

/* ---------- Products ---------- */
.prod-showcase{display:grid;gap:clamp(30px,5vw,60px);grid-template-columns:1fr}
@media(min-width:1024px){.prod-showcase{grid-template-columns:repeat(3,1fr);align-items:stretch}}
.prod-card{
  position:relative;display:flex;flex-direction:column;border-radius:22px;overflow:hidden;
  background:linear-gradient(175deg,#0b141f 0%,#060b13 70%);
  border:1px solid var(--line);
  transition:transform .6s var(--ease-out),border-color .4s,box-shadow .6s;
}
.prod-card:hover{transform:translateY(-8px);border-color:rgba(53,232,120,.35);box-shadow:0 40px 80px rgba(0,0,0,.5),0 0 0 1px rgba(53,232,120,.08)}
.prod-visual{
  position:relative;aspect-ratio:4/3.4;display:grid;place-items:center;overflow:hidden;
  background:
    radial-gradient(70% 60% at 50% 42%,rgba(53,232,120,.10),transparent 70%),
    radial-gradient(90% 90% at 50% 120%,rgba(20,40,70,.5),transparent);
}
.prod-visual::before{ /* measurement grid */
  content:"";position:absolute;inset:0;opacity:.5;
  background:
    repeating-linear-gradient(90deg,transparent 0 39px,rgba(148,184,210,.06) 39px 40px),
    repeating-linear-gradient(0deg,transparent 0 39px,rgba(148,184,210,.06) 39px 40px);
}
.prod-visual img{
  position:relative;z-index:2;max-height:82%;width:auto;max-width:84%;object-fit:contain;
  filter:drop-shadow(0 30px 40px rgba(0,0,0,.6));
  transition:transform .8s var(--ease-out);
  will-change:transform;
}
.prod-card:hover .prod-visual img{transform:translateY(-10px) scale(1.03)}
.prod-visual .orbit{
  position:absolute;width:74%;aspect-ratio:1;border:1px dashed rgba(53,232,120,.18);border-radius:50%;
  animation:orbit 26s linear infinite;
}
.prod-visual .orbit::after{
  content:"";position:absolute;top:-4px;left:50%;width:7px;height:7px;border-radius:50%;
  background:var(--green);box-shadow:var(--glow-green);
}
@keyframes orbit{to{transform:rotate(360deg)}}
.prod-body{padding:clamp(22px,2.6vw,32px);border-top:1px solid var(--line);display:flex;flex-direction:column;gap:14px;flex:1}
.prod-body .tag{font-size:10px}
.prod-body h3{font-size:clamp(19px,1.8vw,23px)}
.prod-body p{font-size:14px;color:var(--muted)}
.spec-list{list-style:none;margin-top:2px;display:flex;flex-direction:column;gap:9px}
.spec-list li{
  display:flex;justify-content:space-between;gap:16px;font-family:var(--font-mono);font-size:11.5px;
  padding-bottom:9px;border-bottom:1px dashed var(--line);
}
.spec-list li span{color:var(--faint);letter-spacing:.05em}
.spec-list li b{color:var(--green-2);font-weight:500;text-align:right}
.prod-body .link-arrow{margin-top:auto;padding-top:8px}

/* ---------- Feature band (метрология) ---------- */
.band{position:relative;overflow:hidden;border-block:1px solid var(--line);isolation:isolate}
.band-bg{position:absolute;inset:-12% 0;z-index:-2;object-fit:cover;width:100%;height:124%;opacity:.34;will-change:transform}
.band-veil{position:absolute;inset:0;z-index:-1;background:linear-gradient(100deg,rgba(4,7,13,.94) 20%,rgba(4,7,13,.55) 60%,rgba(4,7,13,.85))}
.band-inner{padding-block:clamp(90px,14vh,170px)}
.band-grid{display:grid;gap:44px;grid-template-columns:1fr}
@media(min-width:1024px){.band-grid{grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}}
.check-list{list-style:none;display:flex;flex-direction:column}
.check-list li{
  display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--line);align-items:flex-start;
}
.check-list li:first-child{border-top:1px solid var(--line)}
.check-ic{flex:none;width:34px;height:34px;color:var(--green);margin-top:2px}
.check-ic svg{width:100%;height:100%}
.check-list b{display:block;color:var(--ink);font-weight:700;font-size:15.5px;margin-bottom:3px}
.check-list p{font-size:13.5px;color:var(--muted)}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden}
@media(min-width:768px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{background:rgba(7,12,20,.72);padding:clamp(22px,3vw,36px) clamp(18px,2.4vw,30px);position:relative;overflow:hidden}
.stat::after{
  content:attr(data-i);position:absolute;right:12px;top:10px;font-family:var(--font-mono);
  font-size:10px;color:var(--faint);letter-spacing:.15em;
}
.stat b{
  display:block;font-family:var(--font-mono);font-weight:500;color:var(--ink);
  font-size:clamp(34px,4.6vw,54px);line-height:1;letter-spacing:-.02em;
}
.stat b i{font-style:normal;color:var(--green)}
.stat span{display:block;margin-top:12px;font-size:12px;color:var(--muted);line-height:1.5}

/* ---------- Library preview & library page ---------- */
.lib-shell{display:grid;gap:36px;grid-template-columns:1fr}
@media(min-width:1100px){.lib-shell{grid-template-columns:290px 1fr;gap:56px;align-items:start}}
.lib-cats{display:flex;gap:10px;flex-wrap:wrap}
@media(min-width:1100px){
  .lib-cats{flex-direction:column;gap:4px;position:sticky;top:calc(var(--head-h) + var(--head-extra) + 30px)}
}
.lib-cat{
  display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:12px;cursor:pointer;
  border:1px solid transparent;color:var(--muted);font-size:13.5px;font-weight:600;
  transition:.3s;background:none;text-align:left;width:auto;
}
.lib-cat svg{width:17px;height:17px;flex:none;opacity:.7}
.lib-cat .cnt{margin-left:auto;font-family:var(--font-mono);font-size:10.5px;color:var(--faint)}
.lib-cat:hover{color:var(--ink);background:rgba(53,232,120,.05)}
.lib-cat.active{color:var(--green);border-color:rgba(53,232,120,.3);background:rgba(53,232,120,.07)}
.lib-cat.active svg{opacity:1}
@media(max-width:1099px){.lib-cat{border-color:var(--line);padding:10px 14px;font-size:12.5px}}

.lib-tools{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:26px}
.lib-search{flex:1 1 300px}
.lib-count{font-family:var(--font-mono);font-size:11.5px;color:var(--muted);letter-spacing:.1em}
.lib-count b{color:var(--green);font-weight:500}

.doc-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.doc{
  display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;
  padding:19px 8px;border-bottom:1px solid var(--line);cursor:pointer;
  transition:background .25s;position:relative;
}
.doc:hover{background:rgba(53,232,120,.04)}
.doc::before{
  content:"";position:absolute;left:-1px;top:20%;bottom:20%;width:2px;border-radius:2px;
  background:var(--green);box-shadow:var(--glow-green);opacity:0;transition:opacity .3s;
}
.doc:hover::before{opacity:1}
.doc-ic{
  width:42px;height:42px;border-radius:11px;border:1px solid var(--line-2);
  display:grid;place-items:center;color:var(--green);background:rgba(53,232,120,.05);flex:none;
}
.doc-ic svg{width:19px;height:19px}
.doc-main{min-width:0}
.doc-main b{display:block;color:var(--ink);font-weight:600;font-size:14.5px;line-height:1.35}
.doc-main b mark{background:none;color:var(--green-2)}
.doc-main .meta{
  display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:6px;
  font-family:var(--font-mono);font-size:10.5px;color:var(--faint);letter-spacing:.06em;text-transform:uppercase;
}
.doc-dl{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line-2);display:grid;place-items:center;
  color:var(--muted);transition:.35s var(--ease-out);flex:none;
}
.doc-dl svg{width:16px;height:16px}
.doc:hover .doc-dl{color:#04160c;background:var(--green);border-color:var(--green);transform:rotate(-45deg);box-shadow:var(--glow-green)}
@media(max-width:560px){
  .doc{grid-template-columns:auto 1fr;gap:14px}
  .doc-dl{display:none}
}
.lib-empty{padding:60px 20px;text-align:center;color:var(--muted);border-bottom:1px solid var(--line)}

/* ---------- Services ---------- */
.svc-grid{display:grid;gap:22px;grid-template-columns:1fr}
@media(min-width:760px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1200px){.svc-grid{grid-template-columns:repeat(3,1fr)}}
.svc-card{
  position:relative;padding:clamp(26px,3vw,36px);border:1px solid var(--line);border-radius:20px;
  background:linear-gradient(170deg,rgba(14,22,36,.5),rgba(7,11,19,.6));overflow:hidden;
  transition:transform .55s var(--ease-out),border-color .4s;
  display:flex;flex-direction:column;gap:16px;
}
.svc-card:hover{transform:translateY(-6px);border-color:rgba(53,232,120,.3)}
.svc-card .corner{position:absolute;width:9px;height:9px;border-radius:50%;background:radial-gradient(circle,rgba(53,232,120,.7),transparent 70%);opacity:.55}
.svc-card .corner:nth-child(1){top:12px;left:12px}.svc-card .corner:nth-child(2){top:12px;right:12px}
.svc-card .corner:nth-child(3){bottom:12px;left:12px}.svc-card .corner:nth-child(4){bottom:12px;right:12px}
.svc-icon{width:44px;height:44px;color:var(--green)}
.svc-icon svg{width:100%;height:100%}
.svc-card p{font-size:13.5px;color:var(--muted)}
.svc-card .price{font-family:var(--font-mono);font-size:12px;color:var(--green-2);letter-spacing:.05em}
.svc-card .link-arrow{margin-top:auto}

/* Table (МСИ цены) */
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th{
  text-align:left;font-family:var(--font-mono);font-weight:500;font-size:11px;letter-spacing:.15em;
  text-transform:uppercase;color:var(--faint);padding:14px 16px;border-bottom:1px solid var(--line-2);
}
.tbl td{padding:16px;border-bottom:1px solid var(--line);color:var(--text)}
.tbl td:first-child{color:var(--ink);font-weight:600}
.tbl td b{font-family:var(--font-mono);font-weight:500;color:var(--green-2)}
.tbl tr{transition:background .25s}
.tbl tbody tr:hover{background:rgba(53,232,120,.04)}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:rgba(8,13,22,.5)}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:1px;background:linear-gradient(var(--green),var(--line-2))}
.tl-item{position:relative;padding:0 0 34px}
.tl-item::before{
  content:"";position:absolute;left:-30.5px;top:7px;width:9px;height:9px;border-radius:50%;
  background:var(--bg);border:2px solid var(--green);box-shadow:var(--glow-green);
}
.tl-item time{font-family:var(--font-mono);font-size:12px;color:var(--green);letter-spacing:.15em}
.tl-item b{display:block;color:var(--ink);font-size:16.5px;margin:6px 0 4px;font-weight:700}
.tl-item p{font-size:13.5px;color:var(--muted);max-width:56ch}

/* ---------- Companies (группа) ---------- */
.co-grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden;grid-template-columns:1fr}
@media(min-width:900px){.co-grid{grid-template-columns:repeat(3,1fr)}}
.co-card{background:var(--bg-2);padding:clamp(26px,3vw,40px);position:relative;transition:background .4s}
.co-card:hover{background:#0a1322}
.co-card .num{font-family:var(--font-mono);font-size:11px;color:var(--green);letter-spacing:.2em}
.co-card h3{margin:14px 0 10px}
.co-card p{font-size:13.5px;color:var(--muted)}

/* ---------- Contacts ---------- */
.contact-grid{display:grid;gap:26px;grid-template-columns:1fr}
@media(min-width:1024px){.contact-grid{grid-template-columns:1fr 1fr;gap:56px}}
.c-row{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.c-row:first-child{border-top:1px solid var(--line)}
.c-ic{width:40px;height:40px;flex:none;color:var(--green)}
.c-ic svg{width:100%;height:100%}
.c-row b{display:block;font-family:var(--font-mono);font-size:10.5px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);margin-bottom:7px}
.c-row a,.c-row p{color:var(--ink);font-size:16px;font-weight:600;line-height:1.5}
.c-row a:hover{color:var(--green)}
.c-row small{display:block;color:var(--muted);font-size:13px;font-weight:400;margin-top:4px}

.form{display:flex;flex-direction:column;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.field input,.field textarea,.field select{
  background:rgba(10,17,28,.6);border:1px solid var(--line-2);border-radius:12px;
  padding:14px 16px;color:var(--ink);font-size:15px;outline:0;transition:border-color .3s,box-shadow .3s;
}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field textarea:focus{border-color:rgba(53,232,120,.55);box-shadow:0 0 0 4px rgba(53,232,120,.08)}
.form-note{font-size:12px;color:var(--faint)}
.form-ok{
  display:none;padding:16px 18px;border:1px solid rgba(53,232,120,.4);border-radius:12px;
  color:var(--green-2);font-size:14px;background:rgba(53,232,120,.06);
}
.form.sent .form-ok{display:block}

/* SVG map */
.map-frame{position:relative;border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#060c15}
.map-frame svg{width:100%;height:auto;display:block}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;border-block:1px solid var(--line);text-align:center;padding-block:clamp(80px,13vh,150px)}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.55;
  background:radial-gradient(50% 60% at 50% 110%,rgba(53,232,120,.16),transparent 70%);
}
.cta-band h2{max-width:20ch;margin-inline:auto}
.cta-band .lede{margin:20px auto 0}
.cta-band .hero-cta{justify-content:center}

/* ---------- Footer ---------- */
.site-foot{border-top:1px solid var(--line);background:linear-gradient(180deg,transparent,rgba(6,10,17,.9));position:relative;overflow:hidden}
.foot-wave{position:absolute;inset:0 0 auto;height:120px;opacity:.5;pointer-events:none}
.foot-grid{display:grid;gap:40px;padding:clamp(56px,8vh,90px) 0 40px;grid-template-columns:1fr}
@media(min-width:900px){.foot-grid{grid-template-columns:1.3fr 1fr 1fr 1.1fr}}
.foot-brand p{font-size:13.5px;color:var(--muted);margin-top:18px;max-width:34ch}
.foot-col h4{
  font-family:var(--font-mono);font-weight:500;font-size:10.5px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--faint);margin-bottom:20px;
}
.foot-col ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.foot-col a{font-size:14px;color:var(--text);transition:color .25s,padding .3s var(--ease-out)}
.foot-col a:hover{color:var(--green);padding-left:6px}
.foot-contacts{font-family:var(--font-mono);font-size:13px;color:var(--text);line-height:2.1}
.foot-contacts a{color:var(--green)}
.foot-bottom{
  border-top:1px solid var(--line);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px 30px;
  justify-content:space-between;font-family:var(--font-mono);font-size:11px;color:var(--faint);letter-spacing:.06em;
}
.foot-bottom .sig{color:var(--green)}

/* ---------- Page hero (внутренние страницы) ---------- */
.page-hero{position:relative;padding:calc(var(--head-h) + var(--head-extra) + clamp(60px,10vh,120px)) 0 clamp(40px,7vh,80px);overflow:hidden;isolation:isolate}
.page-hero-bg{position:absolute;inset:0;z-index:-2;opacity:.4}
.page-hero-bg img{width:100%;height:112%;object-fit:cover;will-change:transform}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(4,7,13,.78),rgba(4,7,13,.5) 55%,var(--bg));
}
.crumbs{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:26px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);
}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--green)}
.crumbs i{font-style:normal;color:var(--green)}
.page-hero h1{font-size:clamp(28px,5.6vw,64px);max-width:16ch}
.page-hero .lede{margin-top:22px}

/* Marquee divider SVG */
.wave-divider{display:block;width:100%;height:70px;color:var(--green);opacity:.55}
.wave-divider path{stroke-dasharray:6 10}

/* Anchor offset */
[id]{scroll-margin-top:calc(var(--head-h) + var(--head-extra) + 20px)}

/* Selection of small helpers */
.flex{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.mt-s{margin-top:14px}.mt-m{margin-top:28px}.mt-l{margin-top:48px}
.center{text-align:center}
.maxw{max-width:70ch}