/* ===========================================================
   PCG — Pipeline Construction Group · pcg.kz
   =========================================================== */

:root{
  --ink:#070E1C;
  --ink-2:#0A1428;
  --ink-3:#0E1B33;
  --line:rgba(255,255,255,.09);
  --line-d:rgba(10,20,40,.10);
  --blue:#0B5CA8;
  --blue-2:#1478D4;
  --blue-lt:#6FB3E8;
  --paper:#FFFFFF;
  --paper-2:#F4F7FA;
  --tx:#101828;
  --tx-2:#4A5768;
  --tx-3:#7B8798;
  --w:1220px;
  --r:2px;
  --ease:cubic-bezier(.22,.68,.28,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  background:var(--paper);
  color:var(--tx);
  font-family:"Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16.5px;
  line-height:1.68;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-wrap:break-word;
  overflow-x:hidden;
  overflow-x:clip;
}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{margin:0;line-height:1.1;letter-spacing:-.022em;font-weight:800}
p{margin:0 0 1.05em}

.wrap{width:100%;max-width:var(--w);margin:0 auto;padding:0 28px}

.skip{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 16px;z-index:999}
.skip:focus{left:8px;top:8px}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(22px);transition:opacity .75s var(--ease),transform .75s var(--ease)}
.rv.in{opacity:1;transform:none}
.d1{transition-delay:.09s}.d2{transition-delay:.18s}.d3{transition-delay:.27s}.d4{transition-delay:.36s}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* ===========================================================
   HEADER
   =========================================================== */
.hdr{position:fixed;inset:0 0 auto 0;z-index:100;transition:background .45s var(--ease),backdrop-filter .45s,border-color .45s,box-shadow .45s;border-bottom:1px solid transparent}
.hdr-in{max-width:var(--w);margin:0 auto;padding:0 28px;height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px;transition:height .45s var(--ease)}
.hdr-logo img{height:38px;width:auto;transition:height .45s var(--ease)}
.nav{display:flex;align-items:center;gap:30px}
.nav a{
  color:rgba(255,255,255,.82);text-decoration:none;font-size:14.5px;font-weight:600;
  letter-spacing:.005em;position:relative;padding:6px 0;transition:color .25s
}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1.5px;background:var(--blue-lt);transition:right .35s var(--ease)}
.nav a:hover{color:#fff}
.nav a:hover::after{right:0}
.nav .nav-cta{
  border:1px solid rgba(255,255,255,.28);padding:9px 20px;border-radius:100px;
  transition:background .3s,border-color .3s,color .3s
}
.nav .nav-cta::after{display:none}
.nav .nav-cta:hover{background:#fff;border-color:#fff;color:var(--ink)}

.hdr.stuck{background:rgba(7,14,28,.96);backdrop-filter:blur(14px) saturate(160%);-webkit-backdrop-filter:blur(14px) saturate(160%);border-bottom-color:rgba(255,255,255,.10)}
.hdr.stuck .hdr-in{height:66px}
.hdr.stuck .hdr-logo img{height:32px}

.burger{display:none;width:44px;height:44px;background:none;border:0;cursor:pointer;padding:11px 9px;flex-direction:column;justify-content:space-between}
.burger span{display:block;height:2px;background:#fff;border-radius:2px;transition:transform .35s var(--ease),opacity .25s}
.burger.on span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.on span:nth-child(2){opacity:0}
.burger.on span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===========================================================
   HERO
   =========================================================== */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:flex-end;background:var(--ink);padding-top:104px}
.hero-bg{position:absolute;inset:0;overflow:hidden}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 42%;animation:heroZoom 22s var(--ease) forwards}
@keyframes heroZoom{from{transform:scale(1.09)}to{transform:scale(1)}}
@media (prefers-reduced-motion:reduce){.hero-bg img{animation:none}}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(7,14,28,.86) 0%,rgba(7,14,28,.42) 32%,rgba(7,14,28,.72) 68%,rgba(7,14,28,.97) 100%),
    linear-gradient(100deg,rgba(7,14,28,.80) 0%,rgba(7,14,28,.18) 62%);
}
.hero-grid{
  position:absolute;inset:0;opacity:.30;
  background-image:linear-gradient(rgba(111,179,232,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(111,179,232,.10) 1px,transparent 1px);
  background-size:78px 78px;
  mask-image:radial-gradient(120% 90% at 18% 60%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(120% 90% at 18% 60%,#000 0%,transparent 72%);
}
.hero-in{position:relative;width:100%;max-width:var(--w);margin:0 auto;padding:0 28px 50px;color:#fff}

.eyebrow{
  font-family:"JetBrains Mono",ui-monospace,monospace;font-size:12px;letter-spacing:.20em;text-transform:uppercase;
  color:var(--blue-lt);margin:0 0 22px;display:flex;align-items:center;gap:14px
}
.eyebrow::before{content:"";width:44px;height:1px;background:var(--blue-lt);opacity:.7}

.hero h1{font-size:clamp(2.5rem,6.1vw,5.05rem);font-weight:800;letter-spacing:-.035em;margin:0 0 26px}
.hero h1 .hl{
  background:linear-gradient(94deg,#fff 8%,var(--blue-lt) 52%,#fff 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent
}
.hero-lead{max-width:640px;font-size:17.5px;color:rgba(255,255,255,.76);margin:0 0 32px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 32px;border-radius:100px;text-decoration:none;font-weight:700;font-size:15px;
  letter-spacing:.005em;transition:transform .3s var(--ease),background .3s,color .3s,border-color .3s,box-shadow .3s;
  border:1px solid transparent;cursor:pointer
}
.btn-primary{background:var(--blue-2);color:#fff;box-shadow:0 10px 34px -12px rgba(20,120,212,.85)}
.btn-primary:hover{background:#1F88E8;transform:translateY(-2px);box-shadow:0 16px 40px -12px rgba(20,120,212,.95)}
.btn-ghost{border-color:rgba(255,255,255,.30);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.55);transform:translateY(-2px)}

.hero-stats{
  position:relative;width:100%;max-width:var(--w);margin:0 auto;padding:0 28px 58px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:transparent
}
.hs{padding:24px 26px 24px 0;border-left:1px solid rgba(255,255,255,.14);padding-left:26px}
.hs:first-child{border-left:0;padding-left:0}
.hs b{display:block;font-size:clamp(2rem,3.5vw,2.85rem);font-weight:800;color:#fff;letter-spacing:-.03em;line-height:1;margin-bottom:9px;font-variant-numeric:tabular-nums}
.hs span{font-size:13px;color:rgba(255,255,255,.55);letter-spacing:.02em}

.scroll-hint{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);width:24px;height:38px;border:1px solid rgba(255,255,255,.28);border-radius:100px;display:flex;justify-content:center;padding-top:8px}
.scroll-hint span{width:3px;height:7px;border-radius:3px;background:var(--blue-lt);animation:sc 1.8s var(--ease) infinite}
@keyframes sc{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(13px)}}
@media (prefers-reduced-motion:reduce){.scroll-hint span{animation:none}}

/* ===========================================================
   SECTIONS
   =========================================================== */
.sec{padding:116px 0}
.sec-alt{background:var(--paper-2)}
.sec-dark{background:var(--ink-2);color:#fff}
.sec-head{max-width:790px;margin-bottom:64px}
.label{
  font-family:"JetBrains Mono",ui-monospace,monospace;font-size:11.5px;letter-spacing:.20em;text-transform:uppercase;
  color:var(--blue);margin:0 0 20px;display:flex;align-items:center;gap:12px
}
.label i{font-style:normal;opacity:.45}
.label::after{content:"";flex:1;height:1px;background:currentColor;opacity:.20;max-width:120px}
.sec-dark .label{color:var(--blue-lt)}
.sec h2{font-size:clamp(1.85rem,3.5vw,2.9rem);letter-spacing:-.032em;margin:0 0 20px}
.sub{font-size:17px;color:var(--tx-2);margin:0;max-width:660px}
.sec-dark .sub{color:rgba(255,255,255,.62)}

/* ---------- about ---------- */
.about{display:grid;grid-template-columns:1.06fr .94fr;gap:70px;align-items:start}
.about-txt .big{font-size:20px;line-height:1.55;color:var(--tx);font-weight:600;letter-spacing:-.012em;margin-bottom:1.15em}
.about-txt p{color:var(--tx-2)}
.ticks{list-style:none;margin:34px 0 0;padding:0;display:grid;gap:13px}
.ticks li{position:relative;padding-left:30px;font-size:15.5px;color:var(--tx-2)}
.ticks li b{color:var(--tx)}
.ticks li::before{
  content:"";position:absolute;left:0;top:9px;width:15px;height:9px;
  border-left:2px solid var(--blue-2);border-bottom:2px solid var(--blue-2);transform:rotate(-45deg)
}
.about-media{display:grid;gap:18px}
.ph{margin:0;position:relative;overflow:hidden;border-radius:var(--r)}
.ph img{width:100%;height:340px;object-fit:cover;transition:transform 1.1s var(--ease)}
.ph:hover img{transform:scale(1.04)}
.ph.sm img{height:210px}
.ph figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:34px 20px 16px;color:#fff;font-size:13px;letter-spacing:.02em;
  background:linear-gradient(180deg,transparent,rgba(7,14,28,.86))
}

/* ---------- service cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(10,20,40,.10);border:1px solid rgba(10,20,40,.10)}
.card{background:var(--paper-2);min-width:0;padding:38px 34px 40px;transition:background .35s var(--ease),transform .35s var(--ease)}
.card:hover{background:#fff;transform:translateY(-3px);box-shadow:0 22px 50px -30px rgba(10,20,40,.5)}
.ic{width:26px;height:26px;stroke:var(--blue-2);stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round;margin-bottom:22px}
.card h3{font-size:17.5px;font-weight:800;letter-spacing:-.015em;margin:0 0 12px}
.card p{font-size:14.8px;line-height:1.62;color:var(--tx-2);margin:0}

/* ---------- timeline ---------- */
.tl{position:relative;padding-left:0}
.tl-i{display:grid;grid-template-columns:150px 1fr;gap:36px;padding:44px 0;border-top:1px solid var(--line-d)}
.tl-i:last-child{border-bottom:1px solid var(--line-d)}
.tl-yr{
  font-family:"JetBrains Mono",ui-monospace,monospace;font-size:24px;font-weight:500;color:var(--blue);
  letter-spacing:-.01em;line-height:1.2;position:sticky;top:100px;align-self:start
}
.tl-yr span{display:block;font-size:16px;color:var(--tx-3)}
.tl-c{display:grid;grid-template-columns:1.35fr .65fr;gap:38px;align-items:start}
.tl-body h3{font-size:clamp(1.15rem,1.9vw,1.5rem);letter-spacing:-.022em;margin:0 0 12px;max-width:30ch}
.cust{font-size:14.5px;color:var(--tx-2);margin:0 0 16px}
.cust b{color:var(--blue);font-weight:800;font-variant-numeric:tabular-nums}
.cust .muted{color:var(--tx-3);font-weight:500}
.tl-body p{font-size:15.3px;color:var(--tx-2);margin:0 0 18px}
.tags{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0}
.tags li{
  font-size:12.5px;font-weight:600;letter-spacing:.01em;color:var(--tx-2);
  border:1px solid var(--line-d);padding:5px 13px;border-radius:100px;background:#fff
}
.tl-ph{overflow:hidden;border-radius:var(--r)}
.tl-ph img{width:100%;height:200px;object-fit:cover;transition:transform 1.1s var(--ease)}
.tl-i:hover .tl-ph img{transform:scale(1.05)}
.chip{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.10em;text-transform:uppercase;
  color:#0B6B3A;background:#DFF5E7;border:1px solid #B7E6C9;padding:4px 12px;border-radius:100px;margin-bottom:14px
}
.tl-i.now .tl-yr{color:var(--blue-2)}

/* ---------- resources ---------- */
.facts{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-bottom:56px}
.fact{background:var(--ink-2);padding:34px 26px}
.fact b{display:block;font-size:clamp(1.7rem,2.7vw,2.3rem);font-weight:800;letter-spacing:-.03em;color:#fff;line-height:1;margin-bottom:11px}
.fact b em{font-style:normal;font-size:.5em;font-weight:600;color:var(--blue-lt);letter-spacing:0}
.fact span{font-size:13.5px;color:rgba(255,255,255,.55)}

.base-ph{margin:0 0 56px;position:relative;overflow:hidden;border-radius:var(--r)}
.base-ph img{width:100%;height:clamp(240px,38vw,470px);object-fit:cover}
.base-ph figcaption{position:absolute;left:0;right:0;bottom:0;padding:52px 26px 20px;color:#fff;font-size:13.5px;background:linear-gradient(180deg,transparent,rgba(7,14,28,.88))}

.fleet{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.fl{background:var(--ink-2);min-width:0;padding:34px 30px 36px}
.fl h3{font-size:12.5px;font-weight:800;color:var(--blue-lt);margin:0 0 18px;text-transform:uppercase;letter-spacing:.14em}
.fl ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.fl li{font-size:14.6px;color:rgba(255,255,255,.72);line-height:1.5;padding-left:16px;position:relative}
.fl li::before{content:"";position:absolute;left:0;top:10px;width:5px;height:5px;background:var(--blue-2);border-radius:50%}
.fl li b{color:#fff;font-weight:800;font-variant-numeric:tabular-nums}

/* ---------- clients ---------- */
.logos{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line-d);border:1px solid var(--line-d);margin-bottom:70px}
.lg{
  background:#fff;padding:30px 22px;min-height:118px;min-width:0;display:flex;align-items:center;
  font-size:14px;font-weight:700;line-height:1.35;letter-spacing:-.01em;color:var(--tx);
  transition:background .3s,color .3s;
  /* длинные названия («Мангистауэнергомонтажналадка») должны переноситься.
     Именно anywhere, а не break-word: только он уменьшает min-content ширину flex-элемента */
  overflow-wrap:anywhere;
  -webkit-hyphens:auto;hyphens:auto
}
.lg:hover{background:var(--ink-2);color:#fff}

/* ---------- письма в деревянных рамках ---------- */
.frames{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:78px}

.frm{margin:0;display:flex;flex-direction:column}

/* багет: слоями — тонкая продольная текстура + общий градиент дерева */
.frm-in{
  display:block;width:100%;padding:12px;border:0;cursor:pointer;position:relative;
  border-radius:3px;
  background:
    repeating-linear-gradient(91deg,
      rgba(0,0,0,.13) 0 1px, rgba(255,255,255,.055) 1px 3px, rgba(0,0,0,0) 3px 9px),
    linear-gradient(158deg,#a9743c 0%,#8a5a2b 38%,#6b4220 72%,#573517 100%);
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,.20),
    inset 0 0 0 2px rgba(0,0,0,.16),
    0 20px 46px -22px rgba(10,20,40,.62),
    0 3px 10px -4px rgba(10,20,40,.35);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease)
}
.frm-in:hover{
  transform:translateY(-4px);
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,.26),
    inset 0 0 0 2px rgba(0,0,0,.16),
    0 30px 60px -24px rgba(10,20,40,.72),
    0 4px 12px -4px rgba(10,20,40,.4)
}
.frm-in:focus-visible{outline:3px solid var(--blue-2);outline-offset:4px}

/* сам скан: белая бумага с лёгкой внутренней тенью от багета */
.frm-in img{
  width:100%;aspect-ratio:1/1.414;object-fit:contain;background:#fff;
  box-shadow:0 0 0 1px rgba(0,0,0,.22),inset 0 2px 8px rgba(0,0,0,.16)
}

.frm-hint{
  position:absolute;left:50%;bottom:34px;transform:translate(-50%,8px);
  background:rgba(7,14,28,.88);color:#fff;font-size:12.5px;font-weight:600;letter-spacing:.02em;
  padding:8px 18px;border-radius:100px;opacity:0;transition:opacity .3s var(--ease),transform .3s var(--ease);
  pointer-events:none;white-space:nowrap
}
.frm-in:hover .frm-hint,.frm-in:focus-visible .frm-hint{opacity:1;transform:translate(-50%,0)}

.frm figcaption{
  margin-top:18px;font-size:13px;color:var(--tx-3);line-height:1.45;
  display:flex;flex-direction:column;gap:3px
}
.frm figcaption b{color:var(--tx);font-size:14.5px;font-weight:800;letter-spacing:-.012em}

/* ---------- лайтбокс ---------- */
.lb{
  position:fixed;inset:0;z-index:200;background:rgba(5,10,20,.94);
  display:flex;align-items:center;justify-content:center;padding:40px 24px;
  animation:lbIn .28s var(--ease)
}
.lb[hidden]{display:none}
@keyframes lbIn{from{opacity:0}to{opacity:1}}
.lb-fig{margin:0;display:flex;flex-direction:column;align-items:center;gap:16px;max-height:100%}
.lb-fig img{
  max-width:min(880px,92vw);max-height:calc(100vh - 150px);width:auto;height:auto;
  background:#fff;border-radius:2px;box-shadow:0 30px 90px -30px rgba(0,0,0,.9)
}
.lb-fig figcaption{color:rgba(255,255,255,.72);font-size:13.5px;text-align:center;letter-spacing:.01em}
.lb-x{
  position:absolute;top:20px;right:24px;width:46px;height:46px;line-height:1;
  font-size:30px;color:#fff;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
  border-radius:50%;cursor:pointer;transition:background .25s,transform .25s
}
.lb-x:hover{background:rgba(255,255,255,.2);transform:rotate(90deg)}
.lb-x:focus-visible{outline:3px solid var(--blue-2);outline-offset:3px}

.partners{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.pt{border:1px solid var(--line-d);padding:38px 34px 34px;border-radius:var(--r);background:#fff}
.pt h3{font-size:22px;letter-spacing:-.02em;margin:0 0 16px;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.pt h3 span{font-size:12px;font-weight:600;letter-spacing:.10em;text-transform:uppercase;color:var(--blue);background:#EAF4FD;padding:4px 11px;border-radius:100px}
.pt p{font-size:15px;color:var(--tx-2)}
.pt-nums{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px;padding-top:24px;border-top:1px solid var(--line-d)}
.pt-nums b{display:block;font-size:22px;font-weight:800;letter-spacing:-.02em;color:var(--tx);margin-bottom:6px}
.pt-nums span{font-size:12.5px;color:var(--tx-3);line-height:1.4}
.pt-link{margin:20px 0 0}
.pt-link a{color:var(--blue);font-weight:700;font-size:14.5px;text-decoration:none}
.pt-link a:hover{text-decoration:underline}

/* ---------- CTA / contacts ---------- */
.sec-cta{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.sec-cta::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(80% 120% at 12% 0%,rgba(20,120,212,.30),transparent 62%);
  pointer-events:none
}
.cta-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}
.sec-cta .label{color:var(--blue-lt)}
.sec-cta h2{margin-bottom:20px}
.sec-cta .sub{color:rgba(255,255,255,.65)}
.cta-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}

.req{margin:0;display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.req>div{background:rgba(255,255,255,.025);padding:18px 24px;display:grid;grid-template-columns:190px 1fr;gap:20px;align-items:start}
.req dt{font-size:12.5px;color:rgba(255,255,255,.45);letter-spacing:.02em;margin:0}
.req dd{margin:0;font-size:14.8px;color:#fff;line-height:1.5}

/* ---------- footer ---------- */
.ftr{background:#050A15;color:#fff;padding:70px 0 0}
.ftr-in{display:grid;grid-template-columns:1.5fr 1fr 1.1fr;gap:52px;padding-bottom:52px}
.ftr-logo{height:40px;width:auto;margin-bottom:20px}
.ftr-brand p{font-size:14.5px;color:rgba(255,255,255,.52);max-width:38ch;margin:0}
.ftr-nav{display:grid;gap:11px;align-content:start}
.ftr-nav a{font-size:14.5px;color:rgba(255,255,255,.66);text-decoration:none;transition:color .25s}
.ftr-nav a:hover{color:#fff}
.ftr-c{display:grid;gap:11px;align-content:start}
.ftr-c a,.ftr-c span{font-size:14.8px;color:rgba(255,255,255,.80);text-decoration:none}
.ftr-c a:hover{color:var(--blue-lt)}
.ftr-c span{color:rgba(255,255,255,.48);font-size:13.5px}
.ftr-btm{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:22px 28px;border-top:1px solid rgba(255,255,255,.09);font-size:12.5px;color:rgba(255,255,255,.38)}

/* ===========================================================
   RESPONSIVE
   =========================================================== */
@media (max-width:1080px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .fleet{grid-template-columns:repeat(2,1fr)}
  .logos{grid-template-columns:repeat(3,1fr)}
  .facts{grid-template-columns:repeat(3,1fr)}
  .frames{grid-template-columns:repeat(2,1fr);gap:28px}
  .about{grid-template-columns:1fr;gap:44px}
  .ph img{height:300px}
}

@media (max-width:900px){
  .burger{display:flex}
  .nav{
    position:fixed;inset:0 0 0 auto;width:min(84vw,340px);background:rgba(7,14,28,.98);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    flex-direction:column;align-items:flex-start;justify-content:center;gap:6px;padding:0 34px;
    transform:translateX(100%);visibility:hidden;pointer-events:none;
    transition:transform .45s var(--ease),visibility 0s .45s;border-left:1px solid var(--line)
  }
  .nav.open{transform:none;visibility:visible;pointer-events:auto;transition:transform .45s var(--ease),visibility 0s}
  .nav a{font-size:20px;padding:13px 0;width:100%}
  .nav .nav-cta{margin-top:16px;padding:12px 26px}
  /* без backdrop-filter: иначе шапка становится containing block для fixed-меню
     и выезжающая панель обрезается по высоте шапки */
  .hdr,.hdr.stuck{background:rgba(7,14,28,.97);backdrop-filter:none;-webkit-backdrop-filter:none}
  .cta-grid{grid-template-columns:1fr;gap:44px}
  .partners{grid-template-columns:1fr}
  .ftr-in{grid-template-columns:1fr 1fr;gap:36px}
  .tl-c{grid-template-columns:1fr;gap:22px}
  .tl-ph img{height:230px}
  .tl-i{grid-template-columns:1fr;gap:14px;padding:38px 0}
  .tl-yr{position:static;font-size:19px;display:flex;align-items:baseline;gap:8px}
  .tl-yr span{display:inline;font-size:19px}
}

@media (max-width:760px){
  .sec{padding:78px 0}
  .wrap{padding:0 20px}
  .hdr-in{padding:0 20px}
  .hero-in{padding:0 20px 44px}
  .hero-stats{padding:0 20px 74px;grid-template-columns:repeat(2,1fr);gap:0}
  .hs{padding:18px 16px;border-left:1px solid rgba(255,255,255,.14);border-top:1px solid rgba(255,255,255,.14)}
  .hs:nth-child(1),.hs:nth-child(2){border-top:0}
  .hs:nth-child(odd){border-left:0;padding-left:0}
  .hero h1{font-size:clamp(2.1rem,9vw,3rem)}
  .cards{grid-template-columns:1fr}
  .fleet{grid-template-columns:1fr}
  .logos{grid-template-columns:repeat(2,1fr)}
  .facts{grid-template-columns:repeat(2,1fr)}
  .lg{min-height:96px;padding:22px 20px}
  .frames{grid-template-columns:1fr;gap:34px;max-width:420px;margin-left:auto;margin-right:auto}
  .frm-in{padding:14px}
  .lb{padding:24px 14px}
  .lb-x{top:12px;right:14px}
  .sec-head{margin-bottom:42px}
  .req>div{grid-template-columns:1fr;gap:6px;padding:16px 20px}
  .ftr-in{grid-template-columns:1fr;gap:34px}
  .ftr-btm{padding:20px}
  .pt-nums{grid-template-columns:1fr;gap:14px}
  .btn{padding:14px 26px;font-size:14.5px}
  .hero-cta .btn{flex:1 1 auto}
}

/* очень узкие экраны: заказчики в одну колонку — длинные названия
   («Мангистауэнергомонтажналадка») влезают без дробления дефисами */
@media (max-width:560px){
  .logos{grid-template-columns:1fr}
  .lg{min-height:0;padding:18px 20px}
}