:root{
  --ink:#122634; --ink2:#4a6274; --ink3:#6d8697;
  --paper:#ffffff; --paper2:#f4f7f9; --paper3:#e9eff4;
  --line:#dde5eb; --line2:#c6d4de;
  --blue:#2a86c0; --blue-d:#1d6b9e; --green:#34a05b; --green-d:#2c8a4e;
  --navy:#0d1b26; --navy2:#14293a;
  --logo-light:1; --logo-dark:0;
  --ease:cubic-bezier(.22,.7,.3,1);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --ink:#e6eef4; --ink2:#a9bece; --ink3:#87a0b0;
    --paper:#0b151d; --paper2:#111f2a; --paper3:#182a37;
    --line:#22384a; --line2:#2f4b5e;
    --blue:#56a8dd; --blue-d:#7cc0ea; --green:#4fbd77; --green-d:#4fbd77;
    --logo-light:0; --logo-dark:1;
  }
}
:root[data-theme="dark"]{
  --ink:#e6eef4; --ink2:#a9bece; --ink3:#87a0b0;
  --paper:#0b151d; --paper2:#111f2a; --paper3:#182a37;
  --line:#22384a; --line2:#2f4b5e;
  --blue:#56a8dd; --blue-d:#7cc0ea; --green:#4fbd77; --green-d:#4fbd77;
  --logo-light:0; --logo-dark:1;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth; -webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:"Manrope","Noto Sans Arabic",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px; line-height:1.55; -webkit-font-smoothing:antialiased;
}
html[dir="rtl"] body{font-family:"Noto Sans Arabic","Manrope",system-ui,sans-serif; line-height:1.85}
img{max-width:100%; height:auto; display:block}
a{color:inherit; -webkit-tap-highlight-color:transparent; -webkit-touch-callout:none}
:focus-visible{outline:2px solid var(--blue); outline-offset:3px; border-radius:3px}
.wrap{width:100%; max-width:1140px; margin:0 auto; padding:0 20px}

h1,h2,h3,.serif{font-family:"Literata","Noto Sans Arabic",Georgia,serif; font-weight:600; letter-spacing:-.018em}
html[dir="rtl"] h1, html[dir="rtl"] h2, html[dir="rtl"] h3{font-family:"Noto Sans Arabic",serif}

/* появление блоков при прокрутке */
.rv{opacity:0; transform:translateY(16px); transition:opacity .7s var(--ease), transform .7s var(--ease)}
.rv.in{opacity:1; transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv{opacity:1; transform:none; transition:none}
  *{animation:none!important; transition:none!important}
}

.bars{display:flex; flex-direction:column; gap:3px; width:26px; flex:0 0 26px}
.bars i{display:block; height:3px; border-radius:1px; background:var(--blue); transform-origin:left}
.bars i:nth-child(2){opacity:.7}
.bars i:nth-child(3){background:var(--green)}

/* ---------- шапка ---------- */
header{position:static; z-index:40; background:var(--paper); border-bottom:1px solid var(--line)}
@media(min-width:880px){ header{position:sticky; top:0} }
.hbar{display:flex; align-items:center; gap:14px; min-height:62px; flex-wrap:wrap}
@media(min-width:880px){ .hbar{flex-wrap:nowrap; height:68px} }
.logo{height:24px; width:auto; transition:opacity .25s}
@media(min-width:420px){ .logo{height:26px} }


.logo-wrap{display:flex; align-items:center; flex:0 0 auto}
.logo.d{display:none}
:root[data-theme="dark"] .logo.l{display:none} :root[data-theme="dark"] .logo.d{display:block}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .logo.l{display:none} :root:not([data-theme="light"]) .logo.d{display:block}}
nav.main{display:flex; gap:24px; font-size:14.5px; order:3; width:100%;
  overflow-x:auto; -webkit-overflow-scrolling:touch; scrollbar-width:none;
  border-top:1px solid var(--line); padding:2px 0 10px; margin-top:2px}
nav.main::-webkit-scrollbar{display:none}
nav.main a{text-decoration:none; color:var(--ink2); padding:8px 0; white-space:nowrap;
  border-bottom:2px solid transparent}
nav.main a:hover{color:var(--ink); border-bottom-color:var(--green)}
.lang{margin-inline-start:auto; appearance:none; background:var(--paper2); color:var(--ink);
  border:1px solid var(--line); border-radius:7px; padding:8px 11px; font:inherit; font-size:14px;
  cursor:pointer; max-width:150px; flex:0 0 auto}
@media(min-width:880px){
  nav.main{order:0; width:auto; margin-inline-start:auto; border-top:0; padding:0; margin-top:0; overflow:visible}
  .lang{margin-inline-start:20px}
}

/* ---------- герой ---------- */
.hero{position:relative; overflow:hidden; background:var(--navy); color:#eaf2f8; isolation:isolate}
.hero-art{position:absolute; inset:0; width:100%; height:100%; z-index:0; opacity:.62}
@media(max-width:820px){ .hero-art{opacity:.3} }
.hero-art .bl{fill:none; stroke:#2b5f80; stroke-width:1; opacity:.55}
.hero-art .ln{fill:none; stroke:#4b93bd; stroke-width:1.25; stroke-linecap:round; stroke-linejoin:round;
  stroke-dasharray:1200; stroke-dashoffset:1200; animation:draw 2.2s var(--ease) forwards}
.hero-art .skull{stroke-dasharray:1080; stroke-dashoffset:1080; stroke-width:1.5}
.hero-art .gyr{stroke:#3d7fa8; stroke-dasharray:140; stroke-dashoffset:140; opacity:.85}
.hero-art .gyr:nth-of-type(1){animation-delay:.35s}
.hero-art .gyr:nth-of-type(2){animation-delay:.45s}
.hero-art .gyr:nth-of-type(3){animation-delay:.55s}
.hero-art .gyr:nth-of-type(4){animation-delay:.65s}
.hero-art .vent{stroke:#5bb98a; stroke-width:1.6; stroke-dasharray:420; stroke-dashoffset:420;
  fill:#5bb98a; fill-opacity:0; animation:draw 1.5s var(--ease) .75s forwards, ventfill .9s ease 2s forwards}
.hero-art .cath{stroke:#7fc9e8; stroke-width:1.8; stroke-dasharray:900; stroke-dashoffset:900;
  animation:draw 2s var(--ease) 1s forwards}
.hero-art .valve{opacity:0; animation:mapin .5s ease 2.4s forwards}
.hero-art .valve rect{fill:none; stroke:#7fc9e8; stroke-width:1.6}
.hero-art .valve circle{fill:#5bb98a}
.hero-art .fd{fill:#7be3ad; filter:drop-shadow(0 0 5px rgba(123,227,173,.65))}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes ventfill{to{fill-opacity:.14}}
.hero-inner{position:relative; z-index:1; padding:72px 0 60px}
.hero h1{font-size:clamp(30px,6.2vw,54px); line-height:1.1; margin:0 0 20px; max-width:18ch; color:#fff}
html[dir="rtl"] .hero h1{line-height:1.35}
.hero p.lead{font-size:clamp(16px,2.3vw,19px); color:#b8cedd; max-width:58ch; margin:0 0 30px}
.cta{display:flex; flex-wrap:wrap; gap:12px}
.btn{display:inline-flex; align-items:center; justify-content:center; gap:9px; padding:14px 24px; border-radius:8px;
  text-decoration:none; font-weight:500; font-size:15.5px; border:1px solid transparent; cursor:pointer;
  font-family:inherit; transition:transform .2s var(--ease), background .2s, border-color .2s, box-shadow .25s}
.btn:active{transform:translateY(1px)}
.btn-p{background:#fff; color:#0d1b26}
.btn-p:hover{box-shadow:0 8px 24px rgba(0,0,0,.28); transform:translateY(-2px)}
.btn-s{border-color:rgba(255,255,255,.35); color:#eaf2f8}
.btn-s:hover{border-color:#fff; background:rgba(255,255,255,.08); transform:translateY(-2px)}
section .btn-p{background:var(--ink); color:var(--paper)}
section .btn-p:hover{background:var(--blue-d); color:#fff}
section .btn-s{border-color:var(--line2); color:var(--ink)}
section .btn-s:hover{background:var(--paper2); border-color:var(--ink2)}
.btn-wa{background:var(--green-d); color:#fff; border-color:var(--green-d)}
.btn-wa:hover{filter:brightness(1.07); transform:translateY(-2px)}

/* счётчики */
.stats{display:flex; flex-wrap:wrap; gap:28px 48px; margin-top:44px; padding-top:28px; border-top:1px solid rgba(255,255,255,.16)}
.stat b{display:block; font-family:"Literata",Georgia,serif; font-size:clamp(28px,5vw,40px); line-height:1; color:#fff; font-weight:600}
.stat span{display:block; font-size:14px; color:#9db7c8; margin-top:7px}

/* ---------- полоса стран ---------- */
.regions{background:var(--paper2); border-bottom:1px solid var(--line); padding:26px 0}
.mapwrap{margin:4px 0 18px; border:1px solid var(--line); border-radius:14px; background:var(--paper);
  padding:10px 12px; overflow:hidden}
.map{display:block; width:100%; height:auto}
.map .ctx path{fill:var(--paper3); stroke:var(--line); stroke-width:.7; vector-effect:non-scaling-stroke}
.map .mk{fill:var(--blue); fill-opacity:.16; stroke:var(--blue); stroke-width:1.2;
  vector-effect:non-scaling-stroke; transition:fill-opacity .25s;
  opacity:0; animation:mapin .5s var(--ease) forwards}
.map .mk:hover{fill-opacity:.34}
.map .lb{fill:var(--ink); font-size:14px; font-weight:500; text-anchor:middle; paint-order:stroke;
  stroke:var(--paper); stroke-width:3.5; stroke-linejoin:round; pointer-events:none;
  opacity:0; animation:mapin .45s var(--ease) forwards}
.map .hq{opacity:0; animation:mapin .45s var(--ease) forwards}
.map .pin{fill:var(--green); stroke:var(--paper); stroke-width:1.6}
.map .pulse{fill:none; stroke:var(--green); stroke-width:1.4; transform-origin:center; transform-box:fill-box;
  animation:ping 2.8s ease-out infinite}
.map .hqlb{fill:var(--ink2); font-size:12.5px; paint-order:stroke; stroke:var(--paper); stroke-width:3.5;
  stroke-linejoin:round}
@keyframes mapin{to{opacity:1}}
@keyframes ping{0%{transform:scale(1); opacity:.9} 70%{transform:scale(2.6); opacity:0} 100%{opacity:0}}
@media(max-width:620px){ .map .lb{display:none} .map .hqlb{font-size:16px} }
@media (prefers-reduced-motion:reduce){ .map .mk,.map .lb,.map .hq{opacity:1} }
.reg-head{display:flex; align-items:center; gap:12px; margin-bottom:14px}
.reg-head h2{font-size:14px; font-weight:500; color:var(--ink2); margin:0; font-family:inherit; letter-spacing:0}
.reg-list{display:flex; flex-wrap:wrap; gap:8px}
.reg-list span{border:1px solid var(--line2); border-radius:100px; padding:7px 16px; font-size:14.5px;
  background:var(--paper); color:var(--ink); transition:border-color .2s, transform .2s var(--ease)}
.reg-list span:hover{border-color:var(--blue); transform:translateY(-2px)}

/* ---------- секции ---------- */
section{padding:52px 0; border-bottom:1px solid var(--line)}
@media(min-width:760px){ section{padding:68px 0} }
.s-head{display:flex; align-items:flex-start; gap:14px; margin-bottom:10px}
.s-head h2{font-size:clamp(24px,4vw,34px); margin:0; line-height:1.18}
.s-head .bars{margin-top:12px}
.s-sub{color:var(--ink2); max-width:62ch; margin:0 0 28px; padding-inline-start:0; font-size:16.5px}
@media(min-width:760px){ .s-sub{padding-inline-start:40px; margin-bottom:34px} }
.s-sub.tight{margin-bottom:24px}
.prose p{color:var(--ink2); max-width:66ch; font-size:16.5px; margin:0 0 16px; padding-inline-start:0}
@media(min-width:760px){ .prose p{padding-inline-start:40px} }
.note{font-size:13.5px; color:var(--ink3); padding-inline-start:0; margin:-16px 0 26px; max-width:66ch}
@media(min-width:760px){ .note{padding-inline-start:40px; margin:-22px 0 30px} }

/* ---------- блок производителя ---------- */
.brand{border:1px solid var(--line); border-radius:14px; overflow:hidden; margin-bottom:22px; background:var(--paper)}
.brand-top{padding:24px; background:linear-gradient(180deg,var(--paper2),var(--paper)); border-bottom:1px solid var(--line)}
.bmark{display:flex; align-items:center; min-height:36px; margin-bottom:16px}
.bmark img{max-height:36px; width:auto; background:#fff; padding:6px 10px; border-radius:7px; border:1px solid var(--line)}
.bmark .wm{font-size:15px; font-weight:600; letter-spacing:.06em; color:var(--ink);
  border-inline-start:3px solid var(--green); padding-inline-start:10px; line-height:1.15}
.brand-top h3{margin:0 0 3px; font-size:21px}
.brand-meta{font-size:13.5px; color:var(--ink3); margin:0 0 10px}
.brand-tag{font-size:16px; color:var(--blue-d); font-weight:500; margin:0 0 10px; font-family:inherit}
.brand-desc{font-size:15.5px; color:var(--ink2); margin:0 0 16px; max-width:70ch}

details{border-bottom:1px solid var(--line); overflow-anchor:none}
summary{scroll-margin-top:80px}
details:last-child{border-bottom:0}
summary{list-style:none; cursor:pointer; padding:16px 24px; display:flex; align-items:center; gap:13px;
  font-weight:500; font-size:16px; transition:background .2s}
summary::-webkit-details-marker{display:none}
summary:hover{background:var(--paper2)}
summary .ico{flex:0 0 22px; width:22px; height:22px; color:var(--blue); opacity:.85}
.cnt{font-size:13px; color:var(--ink3); font-weight:400; background:var(--paper3);
  border-radius:100px; padding:2px 9px; line-height:1.5}
.chev{margin-inline-start:auto; width:10px; height:10px; border-inline-end:2px solid var(--ink3);
  border-bottom:2px solid var(--ink3); transform:rotate(45deg); transition:transform .25s var(--ease); flex:0 0 auto}
details[open] .chev{transform:rotate(-135deg)}
details[open] summary{background:var(--paper2)}
details[open] .plist{animation:fade .28s var(--ease) both}
@keyframes fade{from{opacity:0} to{opacity:1}}
.cat-note{padding:0 24px 14px; margin:0; color:var(--ink2); font-size:15px; max-width:66ch}
.plist{border-top:1px solid var(--line)}
.prod{display:flex; gap:18px; padding:20px 24px; border-bottom:1px solid var(--line); transition:background .2s}
.prod:last-child{border-bottom:0}
.prod:hover{background:var(--paper2)}
.pthumb{flex:0 0 84px; width:84px; height:84px; object-fit:contain; background:#fff; border:1px solid var(--line);
  border-radius:10px; padding:6px}
.pbody{min-width:0; flex:1}
.pbody h4{margin:0 0 6px; font-size:17px; font-weight:600; font-family:"Literata",Georgia,serif; letter-spacing:-.01em}
.pbody p{margin:0 0 13px; font-size:15px; color:var(--ink2); max-width:66ch}
.docs,.bdocs{display:flex; flex-wrap:wrap; gap:8px}
.doc{display:inline-flex; align-items:center; gap:7px; font-size:13.5px; text-decoration:none;
  padding:7px 12px; border-radius:7px; border:1px solid var(--line2); color:var(--ink); background:var(--paper);
  transition:border-color .2s, color .2s, transform .2s var(--ease)}
.doc:hover{border-color:var(--blue); color:var(--blue-d); transform:translateY(-2px)}
.doc svg{flex:0 0 13px; opacity:.6; transition:opacity .2s}
.doc:hover svg{opacity:1}
@media(max-width:520px){
  .prod{gap:13px; padding:16px} .pthumb{flex:0 0 60px; width:60px; height:60px}
  summary{padding:15px 16px} .cat-note{padding:0 16px 12px} .brand-top{padding:20px 16px}
}

/* ---------- услуги ---------- */
.grid3{display:grid; grid-template-columns:1fr; gap:1px; background:var(--line); border:1px solid var(--line);
  border-radius:14px; overflow:hidden}
@media(min-width:620px){ .grid3{grid-template-columns:1fr 1fr} }
@media(min-width:940px){ .grid3{grid-template-columns:1fr 1fr 1fr} }
.cell{background:var(--paper); padding:24px; transition:background .25s; position:relative}
.cell:hover{background:var(--paper2)}
.cell h4{margin:0 0 8px; font-size:17px; font-weight:600; font-family:"Literata",Georgia,serif}
.cell p{margin:0; font-size:15px; color:var(--ink2)}

/* ---------- контакты ---------- */
.cwrap{display:grid; grid-template-columns:1fr; gap:34px}
@media(min-width:880px){ .cwrap{grid-template-columns:1fr 1fr; gap:52px} }
.info{display:flex; flex-direction:column; gap:22px}
.info .row{display:flex; flex-direction:column; gap:4px}
.info .k{font-size:13.5px; color:var(--ink3)}
.info .v{font-size:17px; font-weight:500}
.info .v a{text-decoration:none; border-bottom:1px solid var(--line2); transition:border-color .2s}
.info .v a:hover{border-bottom-color:var(--blue)}
form{display:flex; flex-direction:column; gap:15px}
label{font-size:14px; color:var(--ink2); display:flex; flex-direction:column; gap:7px}
input,textarea{font:inherit; font-size:16px; color:var(--ink); background:var(--paper2);
  border:1px solid var(--line2); border-radius:8px; padding:13px; width:100%; transition:border-color .2s, box-shadow .2s}
textarea{min-height:112px; resize:vertical}
input:focus,textarea:focus{border-color:var(--blue); outline:none; box-shadow:0 0 0 3px rgba(42,134,192,.2)}
.hint{font-size:13.5px; color:var(--ink3); margin:0}
.alt{display:flex; flex-wrap:wrap; gap:10px; margin-top:2px}
.alt a{font-size:14.5px; text-decoration:none; padding:10px 16px; border-radius:7px; border:1px solid var(--line2);
  color:var(--ink); transition:border-color .2s, background .2s, transform .2s var(--ease)}
.alt a:hover{border-color:var(--ink2); background:var(--paper2); transform:translateY(-2px)}

/* ---------- подвал ---------- */
footer{padding:36px 0 48px; font-size:14px; color:var(--ink3); background:var(--paper2)}
footer p{margin:0 0 10px; max-width:80ch}
.fbrands{display:flex; flex-wrap:wrap; gap:6px 18px; margin:0 0 18px; padding:0; list-style:none; color:var(--ink2)}
.fbrands a{text-decoration:none; border-bottom:1px solid transparent; transition:border-color .2s}
.fbrands a:hover{border-bottom-color:var(--blue)}

/* ---------- многостраничность ---------- */
.crumbs{font-size:13.5px; color:var(--ink3); padding:18px 0 0}
.crumbs a{text-decoration:none; border-bottom:1px solid var(--line2)}
.crumbs a:hover{border-bottom-color:var(--blue)}
.crumbs span{margin:0 7px; opacity:.6}
.page-head{padding:26px 0 8px}
.page-head h1{font-size:clamp(28px,5vw,44px); margin:0 0 12px; line-height:1.14}
.page-head p{color:var(--ink2); font-size:17px; max-width:66ch; margin:0}
.tiles{display:grid; grid-template-columns:1fr; gap:18px; margin-top:8px}
@media(min-width:680px){ .tiles{grid-template-columns:1fr 1fr} }
@media(min-width:1000px){ .tiles{grid-template-columns:repeat(3,minmax(0,1fr))} }
.tile{display:flex; flex-direction:column; gap:12px; padding:24px; text-decoration:none; position:relative;
  border:1px solid var(--line); border-radius:14px; background:var(--paper); overflow:hidden;
  transition:border-color .3s}
.tile::before{content:""; position:absolute; inset-inline-start:0; top:0; height:3px; width:0;
  background:linear-gradient(90deg,var(--blue),var(--green)); transition:width .4s var(--ease)}
.tile:hover{border-color:var(--line2)}
.tile:hover::before{width:100%}
.tile .bmark{margin:0 0 2px}
.tile h3{margin:0; font-size:18px}
.tile .tmeta{font-size:13.5px; color:var(--ink3); margin:0}
.tile .ttag{font-size:15.5px; color:var(--blue-d); font-weight:500; margin:0}
.tile .tcnt{font-size:14px; color:var(--ink2); margin:auto 0 0; transition:transform .25s var(--ease)}
.tile:hover .tcnt{transform:translateX(4px)}
.cta-band{background:var(--navy); color:#eaf2f8; padding:52px 0; position:relative; overflow:hidden}
.cta-band h2{margin:0 0 10px; font-size:clamp(22px,3.6vw,30px); color:#fff}
.cta-band p{margin:0 0 20px; color:#b8cedd; max-width:56ch}
.cta-band .btn-p{background:#fff; color:#0d1b26}
.brand.solo{border:0; border-radius:0; margin:0; box-shadow:none}
.brand.solo:hover{box-shadow:none}
.brand.solo .brand-top{background:transparent; padding-inline:0; border-bottom:1px solid var(--line)}
.brand.solo details{border-bottom:1px solid var(--line); overflow-anchor:none}
summary{scroll-margin-top:80px}
.brand.solo summary{padding-inline:0}
.brand.solo .cat-note{padding-inline:0}
.brand.solo .prod{padding-inline:0}
footer nav.fnav{display:flex; flex-wrap:wrap; gap:6px 18px; margin:0 0 16px; padding:0; list-style:none}
footer nav.fnav a{text-decoration:none; color:var(--ink2); border-bottom:1px solid transparent}
footer nav.fnav a:hover{border-bottom-color:var(--blue)}