/* Enlight v4 — "Engineering Light" дизайн систем + брендийн стандарт (Логоны хэрэглээний стандарт v1.0, 2026)
   Signal Red #EC3013 · Ink #201E1D · Ground #F3F2F2 · Archivo · радиус 0 */
:root{
  --bg:#F3F2F2; --paper:#FFFFFF; --ink:#201E1D; --text:#444141; --muted:#7D7979;
  --line:#E5E2E1; --line2:#C9C4C3; --tick:#D7D3D3;
  --acc:#EC3013; --accH:#DD2B0F; --accBg:#FFF2EF;
  --sans:'Archivo',system-ui,sans-serif; --mono:'IBM Plex Mono',monospace;
  --ease:cubic-bezier(.25,.6,.2,1);
  --maxw:1320px;
  /* хуучин нэршлийн нийцтэй байдал */
  --orange:#EC3013; --orangeH:#DD2B0F; --soft:#F3F2F2; --dark:#201E1D; --white:#fff;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--bg);color:var(--text);line-height:1.6;font-size:15px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{color:var(--ink);font-weight:700;letter-spacing:-.015em;font-family:var(--sans)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;width:100%}
.px{padding-left:22px;padding-right:22px}
@media(min-width:900px){.px{padding-left:44px;padding-right:44px}}
.mono{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.mono b{color:var(--acc);font-weight:500}

/* scroll progress */
#prog{position:fixed;top:0;left:0;height:2px;background:var(--acc);z-index:100;width:0}

/* reveal */
.reveal,.rv{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in,.rv.in{opacity:1;transform:none}
[data-d="1"]{transition-delay:.09s}[data-d="2"]{transition-delay:.18s}[data-d="3"]{transition-delay:.27s}[data-d="4"]{transition-delay:.36s}

/* техник зургийн + булангийн тэмдэг */
.frame{position:relative}
.cx{position:absolute;width:11px;height:11px;pointer-events:none;color:var(--line2);z-index:1}
.cx::before,.cx::after{content:'';position:absolute;background:currentColor}
.cx::before{left:5px;top:0;width:1px;height:11px}
.cx::after{top:5px;left:0;height:1px;width:11px}
.cx.tl{top:-6px;left:-6px}.cx.tr{top:-6px;right:-6px}.cx.bl{bottom:-6px;left:-6px}.cx.br{bottom:-6px;right:-6px}

/* ---- top utility bar ---- */
.util{border-bottom:1px solid var(--line);background:var(--paper)}
.util .wrap{display:flex;justify-content:space-between;padding-top:7px;padding-bottom:7px}
.util .mono{font-size:10.5px}
.util .r{display:flex;gap:22px}
@media(max-width:700px){.util .r .coord{display:none}}

/* ---- nav ---- */
nav.mainnav{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;justify-content:space-between;align-items:center;height:64px}
/* Брендийн лого lockup: тэмдэг + ENLIGHT / CONTROL SYSTEMS
   (тэмдгийн өндөр ≈ cap-height × 1.5, зай = өндрийн 1/3) */
.logo{display:flex;align-items:center;gap:11px;color:var(--ink)}
.logo .mark{width:33px;height:33px;flex:0 0 auto;color:var(--ink)}
.logo .lt{display:flex;flex-direction:column;gap:3px;line-height:1}
.logo .lt b{font-weight:700;font-size:16.5px;letter-spacing:-.01em;color:inherit}
.logo .lt i{font-style:normal;font-size:7.5px;letter-spacing:.28em;text-transform:uppercase;color:var(--muted)}
.nlinks{display:none;gap:2px}
@media(min-width:900px){.nlinks{display:flex}}
.nlinks a{font-size:13.5px;font-weight:500;color:var(--text);padding:9px 16px;border-radius:0;transition:.25s;cursor:pointer}
.nlinks a:hover{background:var(--bg);color:var(--ink)}
.nav-r{display:none;align-items:center;gap:14px}
@media(min-width:900px){.nav-r{display:flex}}
.lang{display:flex;border:1px solid var(--line2);border-radius:0;overflow:hidden}
.lang button{background:var(--paper);border:none;color:var(--muted);padding:7px 11px;font-size:11px;font-weight:600;cursor:pointer;font-family:var(--mono);letter-spacing:.06em}
.lang button.active{background:var(--ink);color:#fff}
.ncta{display:inline-flex;align-items:center;gap:9px;background:var(--ink);color:#fff;font-size:13.5px;font-weight:500;padding:11px 20px;border-radius:0;transition:background .25s;border:none;cursor:pointer;font-family:var(--sans)}
.ncta:hover{background:var(--acc)}
.ncta .dot{width:6px;height:6px;border-radius:99px;background:#4ADE80}
.burger{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:0;background:var(--ink);color:#fff;border:none;cursor:pointer}
@media(min-width:900px){.burger{display:none}}

/* mobile menu */
.mob{position:fixed;inset:0;z-index:120;pointer-events:none}
.mob.open{pointer-events:auto}
.mob-bg{position:absolute;inset:0;background:rgba(12,18,25,.6);opacity:0;transition:opacity .4s}
.mob.open .mob-bg{opacity:1}
.mob-sheet{position:absolute;left:0;right:0;bottom:0;margin:0 10px 10px;background:#fff;border-radius:0;border:1px solid var(--line2);padding:24px;transform:translateY(110%);transition:transform .45s var(--ease)}
.mob.open .mob-sheet{transform:translateY(0)}
.mob-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.mob-close{width:40px;height:40px;border-radius:0;background:var(--ink);color:#fff;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer}
.mob-links{display:flex;flex-direction:column}
.mob-links a{font-size:24px;line-height:30px;font-weight:600;color:var(--ink);padding:9px 0;cursor:pointer;border-bottom:1px solid var(--line)}
.mob .lang{margin-top:18px;width:max-content}

/* ---- hero ---- */
.hero{background:var(--paper);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background-image:linear-gradient(var(--bg) 1px,transparent 1px),linear-gradient(90deg,var(--bg) 1px,transparent 1px);background-size:44px 44px;opacity:.55}
.hero-g{position:relative;display:grid;grid-template-columns:1fr;gap:40px;padding-top:56px;padding-bottom:56px}
@media(min-width:1020px){.hero-g{grid-template-columns:0.9fr 1.2fr;gap:28px;align-items:center;padding-top:72px;padding-bottom:72px}}
.h-tag{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--line2);background:var(--paper);font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding:7px 14px;border-radius:0;margin-bottom:26px}
.h-tag i{width:6px;height:6px;border-radius:99px;background:var(--acc);font-style:normal}
.hero h1{font-size:clamp(2rem,5vw,3.7rem);line-height:1.1;letter-spacing:-.025em;font-weight:700}
.hero h1 .u{color:var(--acc);position:relative;white-space:nowrap}
.hero h1 .u::after{content:'';position:absolute;left:0;bottom:3px;width:100%;height:2px;background:var(--acc);transform-origin:left;animation:uline 1.2s var(--ease) .6s both}
@keyframes uline{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.hero p.sub{max-width:480px;margin-top:22px;font-size:15.5px}
.h-cta{display:flex;gap:12px;margin-top:34px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--ink);color:#fff;font-size:14px;font-weight:500;padding:14px 24px;border:none;border-radius:0;cursor:pointer;font-family:var(--sans);transition:.25s}
.btn:hover{background:var(--acc);transform:translateY(-1px)}
.btn.sec{background:var(--paper);color:var(--ink);border:1px solid var(--line2)}
.btn.sec:hover{border-color:var(--ink);background:var(--paper)}
.btn.acc{background:var(--acc)}
.btn.acc:hover{background:var(--accH)}
.h-certs{display:flex;gap:26px;margin-top:38px;padding-top:22px;border-top:1px solid var(--line);flex-wrap:wrap}
.h-certs .c b{display:block;font-size:13px;color:var(--ink);font-weight:600}
.h-certs .c span{font-size:11.5px;color:var(--muted)}

/* ===== BMS AHU hero (2D + 3D твин) — handoff spec 1A ===== */
@keyframes ahuflow{to{stroke-dashoffset:-48}}
@keyframes ahuspin{to{transform:rotate(360deg)}}
@keyframes ahudamper{0%,100%{transform:rotate(-38deg)}50%{transform:rotate(6deg)}}
@keyframes ahublink{0%,100%{opacity:1}50%{opacity:.15}}
/* Бараан full-bleed 3D + баруун метрик багана + зүүн доод цагаан inset (1C) */
.ahu{position:relative;background:var(--ink);border:2px solid var(--ink);min-width:0;overflow:hidden;height:560px}
@media(min-width:1200px){.ahu{height:620px}}
.ahu canvas{width:100%;height:100%;display:block}
.ahu-track{position:absolute;left:0;top:0;pointer-events:none;display:flex;align-items:center;gap:8px;will-change:transform;z-index:2}
.ahu-track .sq{width:8px;height:8px;background:var(--acc)}
.ahu-track .chip{background:#F3F2F2;color:var(--ink);font-size:11px;letter-spacing:.1em;text-transform:uppercase;font-weight:700;padding:4px 8px;white-space:nowrap;font-family:var(--sans)}
.ahu-ctl{position:absolute;top:16px;right:206px;z-index:3;display:flex;background:rgba(32,30,29,.88);border:2px solid rgba(255,255,255,.25)}
.ahu-ctl .c{padding:8px 12px 9px;display:flex;flex-direction:column;gap:5px;border-left:1px solid rgba(255,255,255,.18)}
.ahu-ctl .c:first-child{border-left:none}
.ahu-ctl .c>span{font-family:var(--mono);font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.55);white-space:nowrap}
.ahu-ctl .row{display:flex;align-items:center;gap:8px}
.ahu-ctl .row b{font-size:16px;font-weight:700;color:var(--acc);font-variant-numeric:tabular-nums;min-width:52px;text-align:center}
.ahu-ctl button{font-family:var(--mono);cursor:pointer;border-radius:0;background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4);transition:background .15s,color .15s,border-color .15s}
.ahu-ctl button:hover{border-color:#fff;background:rgba(255,255,255,.12)}
.ahu-ctl .row button{width:24px;height:24px;font-size:15px;line-height:1;display:flex;align-items:center;justify-content:center;padding:0}
.ahu-ctl .tog{font-size:11px;font-weight:700;letter-spacing:.08em;padding:4px 10px;min-width:64px}
.ahu-ctl .tog.man,.ahu-ctl .tog.stop{background:var(--acc);border-color:var(--acc);color:#fff}
.ahu-mcol{position:absolute;top:0;right:0;height:100%;width:172px;border-left:2px solid rgba(255,255,255,.18);display:flex;flex-direction:column;z-index:2}
.ahu-mcol .cell{padding:12px 14px;border-bottom:1px solid rgba(255,255,255,.18);display:flex;flex-direction:column;gap:2px}
.ahu-mcol .cell:last-child{border-bottom:none}
.ahu-mcol .cell span{font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.55)}
.ahu-mcol .cell b{font-weight:700;font-size:24px;color:#fff;font-variant-numeric:tabular-nums}
.ahu-mcol .cell b.acc{color:var(--acc)}
.ahu-mcol .cell.trend b{font-size:19px}
.ahu-mcol .cell.trend svg{width:100%;height:44px}
.ahu-inset{position:absolute;left:16px;bottom:16px;right:206px;max-width:470px;background:#fff;border:2px solid var(--ink);padding:12px 14px;display:flex;flex-direction:column;gap:8px;z-index:2}
.ahu-inset .hd{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.ahu-inset .hd .h{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--ink)}
.ahu-inset .hd .s{font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--acc);white-space:nowrap}
.ahu-inset > svg{width:100%;height:96px}
.ahu-inset .vals{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.ahu-inset .vals .c{display:flex;flex-direction:column;gap:2px;min-width:0}
.ahu-inset .vals .c span{font-size:9px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ahu-inset .vals .c b{font-weight:700;font-size:13.5px;color:var(--ink)}
@media(max-width:700px){
  .ahu{height:auto;display:flex;flex-direction:column;background:var(--ink)}
  .ahu canvas{height:300px}
  .ahu-ctl{position:static;order:2;border:none;border-top:2px solid rgba(255,255,255,.18);justify-content:space-between}
  .ahu-ctl .c{flex:1;align-items:center}
  .ahu-mcol{position:static;width:100%;height:auto;border-left:none;border-top:2px solid rgba(255,255,255,.18);flex-direction:row;flex-wrap:wrap}
  .ahu-mcol .cell{flex:1 1 33%;border-right:1px solid rgba(255,255,255,.18)}
  .ahu-mcol .cell.trend{display:none}
  .ahu-inset{position:static;max-width:none;border:none;border-top:2px solid var(--ink)}
}

/* hero schematic */
.schem{border:1px solid var(--line);background:var(--paper);border-radius:0;padding:18px;position:relative}
.schem .s-top{display:flex;justify-content:space-between;margin-bottom:10px}
.schem svg{width:100%;height:auto;display:block}
.schem .nodebox{fill:var(--paper);stroke:var(--line2);stroke-width:1}
.schem .nodebox.hot{stroke:var(--acc)}
.schem text{font-family:var(--mono);letter-spacing:.06em}
.schem .nl{font-size:8.5px;fill:var(--ink);font-weight:500}
.schem .ns{font-size:7px;fill:var(--muted)}
.schem .wire{stroke:var(--line2);stroke-width:1;fill:none}
.schem .flow{stroke:var(--acc);stroke-width:1.4;fill:none;stroke-dasharray:5 7;animation:flow 1.6s linear infinite}
@keyframes flow{to{stroke-dashoffset:-12}}
.schem .pulse{fill:var(--acc);animation:pl 2s infinite}
@keyframes pl{0%,100%{opacity:1}50%{opacity:.25}}
.reads{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);margin-top:14px}
.reads .r{padding:11px 8px 2px;border-right:1px solid var(--line)}
.reads .r:last-child{border-right:none}
.reads .r b{font-family:var(--mono);font-size:15px;color:var(--ink);font-weight:500;display:block}
.reads .r b i{color:var(--acc);font-style:normal;font-size:11px}
.reads .r span{font-size:10px;color:var(--muted);font-family:var(--mono);text-transform:uppercase;letter-spacing:.08em}

/* ---- partners strip ---- */
.partners{background:var(--paper);border-bottom:1px solid var(--line);overflow:hidden}
.partners .row{display:flex;align-items:center;gap:26px;padding-top:16px;padding-bottom:16px}
.pt-lbl{flex:0 0 auto}
.pt-mask{overflow:hidden;flex:1;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.pt-tr{display:flex;width:max-content;animation:marq 30s linear infinite}
.pt-tr span{font-size:14px;font-weight:600;color:#9AA2AC;padding:0 34px;white-space:nowrap;display:flex;align-items:center}
.pt-tr span::after{content:'';width:4px;height:4px;background:var(--tick);border-radius:99px;margin-left:68px}
@keyframes marq{to{transform:translateX(-50%)}}

/* ---- section shells ---- */
.sec{padding:92px 0;position:relative}
.sec-white{background:var(--paper);border-top:1px solid var(--line)}
.shead{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:50px;flex-wrap:wrap}
.shead .l .mono{display:block;margin-bottom:12px}
.shead h2{font-size:clamp(1.7rem,3.6vw,2.6rem);font-weight:700;letter-spacing:-.02em}
.shead .r{font-size:13.5px;color:var(--muted);max-width:320px}

/* ---- solutions ---- */
.sol-grid{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:680px){.sol-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.sol-grid{grid-template-columns:repeat(3,1fr)}}
.sol{background:var(--paper);border:1px solid var(--line);border-radius:0;padding:26px;cursor:pointer;position:relative;transition:border-color .3s,box-shadow .3s,transform .3s;display:block}
.sol:hover{border-color:var(--ink);box-shadow:0 10px 30px -18px rgba(12,18,25,.25);transform:translateY(-3px)}
.sol .top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:38px}
.sol .ic{display:flex;align-items:flex-start}
.sol .ic svg{width:68px;height:68px;stroke:var(--ink);fill:none;stroke-width:1.25;stroke-linecap:square;overflow:visible;transition:transform .3s var(--ease)}
@media(max-width:640px){.sol .ic svg{width:54px;height:54px}}
.sol:hover .ic svg{transform:translateY(-3px)}
.sol .idx{font-family:var(--mono);font-size:11px;color:var(--muted)}
.sol h3{font-size:16.5px;margin-bottom:8px}
.sol p{font-size:13.5px;color:var(--muted)}
.sol .go{position:absolute;right:22px;bottom:20px;font-family:var(--mono);font-size:11px;color:var(--acc);opacity:0;transform:translateX(-6px);transition:.3s}
.sol:hover .go{opacity:1;transform:none}

/* ---- stats ---- */
.stats-sec{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:relative}
.stats-sec::before{content:'';position:absolute;top:0;left:0;right:0;height:10px;background:repeating-linear-gradient(90deg,var(--tick) 0 1px,transparent 1px 24px)}
.stat-g{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line)}
@media(min-width:900px){.stat-g{grid-template-columns:repeat(4,1fr)}}
.stat{background:var(--paper);padding:44px 30px}
.stat .n{font-size:clamp(2.1rem,4vw,3.2rem);font-weight:700;color:var(--ink);letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums}
.stat .n b{color:var(--acc);font-weight:700}
.stat .l{margin-top:10px;font-size:13px;color:var(--muted)}
.stat .mono{display:block;margin-bottom:14px}

/* ---- projects ---- */
.proj-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:820px){.proj-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1160px){.proj-grid{grid-template-columns:repeat(3,1fr)}}
.pcard{background:var(--paper);border:1px solid var(--line);border-radius:0;overflow:hidden;cursor:pointer;transition:border-color .3s,box-shadow .3s,transform .3s;display:flex;flex-direction:column}
.pcard:hover{border-color:var(--ink);box-shadow:0 14px 34px -20px rgba(12,18,25,.3);transform:translateY(-3px)}
.pcard .im{position:relative;aspect-ratio:16/9.4;overflow:hidden;border-bottom:1px solid var(--line)}
.pcard .im img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.pcard:hover .im img{transform:scale(1.045)}
.pcard .im .tg{position:absolute;top:12px;left:12px;background:var(--paper);border:1px solid var(--line);font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);padding:5px 11px;border-radius:0}
.pcard .bd{padding:20px;flex:1;display:flex;flex-direction:column;gap:9px}
.pcard h3{font-size:16px;line-height:1.35}
.pcard .pd{font-size:13px;color:var(--muted);flex:1}
.pcard .meta{border-top:1px solid var(--line);padding-top:13px;display:flex;flex-direction:column;gap:4px}
.pcard .meta .m{display:flex;justify-content:space-between;font-size:11px;font-family:var(--mono);gap:10px}
.pcard .meta .m span:first-child{color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.pcard .meta .m span:last-child{color:var(--ink);text-align:right}

/* ---- about ---- */
.ab-g{display:grid;grid-template-columns:1fr;gap:44px}
@media(min-width:1000px){.ab-g{grid-template-columns:1fr 1fr;align-items:center}}
.ab-vis{position:relative}
.ab-vis img{border-radius:0;border:1px solid var(--line);width:100%;aspect-ratio:4/3;object-fit:cover}
.ab-vis .card{position:absolute;left:-12px;bottom:-14px;background:var(--paper);border:1px solid var(--line2);border-radius:0;padding:14px 18px;box-shadow:0 16px 38px -22px rgba(12,18,25,.35)}
.ab-vis .card b{font-size:20px;color:var(--ink);font-weight:700;display:block;font-variant-numeric:tabular-nums}
.ab-vis .card span{font-size:11.5px;color:var(--muted)}
.ab-txt h2{font-size:clamp(1.6rem,3.2vw,2.4rem);font-weight:700;margin-bottom:16px}
.ab-txt .quote{border-left:2px solid var(--acc);padding:6px 0 6px 18px;margin:22px 0 14px;color:var(--ink);font-size:15.5px;font-weight:500}
.ab-txt .quote p,.ab-txt .vision-line p{margin:0}
.ab-txt .ql{display:block;margin-bottom:5px;font-size:10px;letter-spacing:.14em}
.ab-txt .vision-line{border-left:2px solid var(--line2);padding:6px 0 6px 18px;margin:0 0 8px;color:var(--muted);font-size:14px}
.values{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:26px}
.val{border:1px solid var(--line);border-radius:0;padding:16px;background:var(--bg)}
.val b{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink);margin-bottom:4px}
.val b i{width:5px;height:5px;background:var(--acc);border-radius:99px;font-style:normal;flex:0 0 auto}
.val p{font-size:12px;color:var(--muted)}
/* timeline ruler */
.timeline{margin-top:80px;position:relative;padding-top:34px}
.timeline::before{content:'';position:absolute;top:0;left:0;right:0;height:12px;background:repeating-linear-gradient(90deg,var(--tick) 0 1px,transparent 1px 20px)}
.timeline::after{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:var(--line2)}
.tl-g{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:820px){.tl-g{grid-template-columns:repeat(5,1fr)}}
.tstep b{font-family:var(--mono);font-size:14px;color:var(--acc);display:block;margin-bottom:6px}
.tstep p{font-size:12.5px;color:var(--muted)}

/* ---- insights ---- */
.ins-grid{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:900px){.ins-grid{grid-template-columns:repeat(3,1fr)}}
.ins{background:var(--paper);border:1px solid var(--line);border-radius:0;padding:24px;cursor:pointer;transition:border-color .3s,transform .3s,box-shadow .3s;display:flex;flex-direction:column;min-height:190px}
.ins:hover{border-color:var(--ink);transform:translateY(-3px);box-shadow:0 10px 30px -18px rgba(12,18,25,.25)}
.ins .cat{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--acc);margin-bottom:14px}
.ins h3{font-size:16px;line-height:1.4;margin-bottom:9px}
.ins p{font-size:13px;color:var(--muted);flex:1}
.ins .foot{font-family:var(--mono);font-size:10.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-top:16px;display:flex;justify-content:space-between}
.ins .foot .a{color:var(--ink)}

/* ---- contact (бараан хэсэг) ---- */
.con{background:var(--ink);color:#AEB6C0}
.con .shead h2{color:#fff}
.con .shead .mono{color:#6E7480}
.contact-grid{display:grid;grid-template-columns:1fr;gap:40px}
@media(min-width:980px){.contact-grid{grid-template-columns:1fr 1.1fr}}
.con-l{display:flex;flex-direction:column}
.con-l a{display:flex;justify-content:space-between;gap:16px;padding:16px 2px;border-bottom:1px solid rgba(255,255,255,.1);font-size:14.5px;color:#D7DCE2;transition:.25s}
.con-l a:hover{color:var(--acc);padding-left:8px}
.con-l a span:first-child{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:#6E7480;align-self:center}
.form{background:#fff;border-radius:0;padding:30px}
.form h3{font-size:17px;margin-bottom:18px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.f-in{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:0;color:var(--ink);font-family:var(--sans);font-size:14px;padding:13px 15px;margin-bottom:12px;transition:border-color .25s}
.f-in:focus{outline:none;border-color:var(--acc);background:#fff}
textarea.f-in{resize:vertical;min-height:84px}
select.f-in{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%2379828D'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.form .btn{width:100%;justify-content:center;background:var(--acc)}
.form .btn:hover{background:var(--accH)}
.form-ok{background:#E8F7EE;color:#166534;border:1px solid #BCE5CC;border-radius:0;padding:12px 16px;font-size:13.5px;margin-bottom:14px;display:none}

/* ---- footer ---- */
footer{background:var(--ink);border-top:1px solid rgba(255,255,255,.08);padding:44px 0 24px;color:#AEB6C0}
.foot-grid{display:grid;grid-template-columns:1fr;gap:30px;margin-bottom:34px}
@media(min-width:768px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.foot h5{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:#6E7480;margin-bottom:14px;font-weight:500}
.foot a{display:block;color:#AEB6C0;font-size:13.5px;padding:5px 0;cursor:pointer;transition:color .2s}
.foot a:hover{color:var(--acc)}
.foot-about p{color:#8B93A0;font-size:13.5px;margin:14px 0}
.foot-about .logo{color:#F3F2F2}
.foot-about .logo .mark{color:#F3F2F2}
.foot-about .logo .lt i{color:#8B8887}
.socials{display:flex;gap:10px;margin-top:6px}
.socials a{width:34px;height:34px;border-radius:0;border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;padding:0;transition:.2s}
.socials a:hover{background:var(--acc);border-color:var(--acc)}
.socials svg{width:15px;height:15px;fill:#fff}
.foot-bot{border-top:1px solid rgba(255,255,255,.08);padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.foot-bot .mono{color:#6E7480}

/* ================= ДЭД ХУУДАС ================= */
.subhero{background:var(--paper);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.subhero::before{content:'';position:absolute;inset:0;background-image:linear-gradient(var(--bg) 1px,transparent 1px),linear-gradient(90deg,var(--bg) 1px,transparent 1px);background-size:44px 44px;opacity:.5}
.subhero .in{position:relative;padding-top:52px;padding-bottom:44px}
@media(min-width:900px){.subhero .in{padding-top:64px;padding-bottom:56px}}
.crumbs{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:20px;display:flex;gap:10px;flex-wrap:wrap}
.crumbs a{color:var(--muted)}.crumbs a:hover{color:var(--acc)}
.crumbs .sep{color:var(--line2)}
.subhero h1{font-size:clamp(1.7rem,4.4vw,3rem);font-weight:700;line-height:1.12;letter-spacing:-.02em}
.subhero .sub{color:var(--muted);font-size:15.5px;max-width:660px;margin-top:14px}
.subhero .meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.chip{border:1px solid var(--line2);background:var(--paper);border-radius:0;padding:6px 13px;font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink)}

/* detail body */
.detail{padding:56px 0 76px}
.detail-grid{display:grid;grid-template-columns:1fr;gap:40px}
@media(min-width:1024px){.detail-grid{grid-template-columns:minmax(0,1fr) 350px;align-items:start}}
.article{max-width:780px}
.article p{margin:0 0 18px;font-size:15.5px;line-height:1.75}
.article h2{font-size:clamp(1.2rem,2.4vw,1.55rem);margin:34px 0 14px;font-weight:700}
.article h3{font-size:16.5px;margin:26px 0 10px;font-weight:600}
.article ul,.article ol{margin:0 0 18px 22px;font-size:15.5px;line-height:1.75}
.article li{margin-bottom:6px}
.article b,.article strong{color:var(--ink)}
.article img{border-radius:0;border:1px solid var(--line);margin:8px 0 24px}
.article figure{margin:8px 0 24px}
.article figure img{margin:0;width:100%;background:#fff}
.article figcaption{font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-top:6px}
.article blockquote{border-left:2px solid var(--acc);padding:5px 0 5px 18px;margin:0 0 18px;color:var(--ink);font-size:15px;font-weight:500}
.gallery{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:6px 0 24px}
.gallery img{margin:0;width:100%;aspect-ratio:16/10;object-fit:cover;cursor:zoom-in;transition:opacity .25s}
.gallery img:hover{opacity:.88}
.gallery figure{margin:0}
.gallery figcaption{font-family:var(--mono);font-size:10px;letter-spacing:.06em;color:var(--muted);margin-top:5px;text-transform:uppercase}
/* зураг томруулагч */
.lightbox{position:fixed;inset:0;z-index:300;background:rgba(12,10,10,.92);display:none;align-items:center;justify-content:center;padding:30px;cursor:zoom-out}
.lightbox.open{display:flex}
.lightbox img{max-width:100%;max-height:100%;border:1px solid rgba(255,255,255,.2)}
.side{display:flex;flex-direction:column;gap:14px;position:sticky;top:84px}
.sidebox{background:var(--paper);border:1px solid var(--line);border-radius:0;padding:20px}
.sidebox h4{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:12px;font-weight:500}
.sidebox .srow{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--line);font-size:12px;font-family:var(--mono)}
.sidebox .srow:last-child{border:none}
.sidebox .srow span{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:10.5px;align-self:center}
.sidebox .srow b{color:var(--ink);text-align:right;font-weight:500}
.sidebox a.sl{display:block;padding:8px 0;font-size:13.5px;color:var(--text);border-bottom:1px solid var(--line)}
.sidebox a.sl:last-child{border:none}
.sidebox a.sl:hover{color:var(--acc)}
.feats{display:grid;grid-template-columns:1fr;gap:10px;margin:6px 0 22px}
@media(min-width:640px){.feats{grid-template-columns:1fr 1fr}}
.feat-i{display:flex;gap:10px;align-items:flex-start;background:var(--bg);border:1px solid var(--line);border-radius:0;padding:12px 14px;font-size:13.5px}
.feat-i svg{width:16px;height:16px;stroke:var(--acc);fill:none;stroke-width:2.2;flex:0 0 auto;margin-top:3px}

/* CTA strip */
.cta-strip{background:var(--ink);border-radius:0;padding:32px 26px;display:flex;flex-direction:column;gap:18px;align-items:flex-start;margin-top:44px}
@media(min-width:768px){.cta-strip{flex-direction:row;align-items:center;justify-content:space-between;padding:36px 40px}}
.cta-strip h3{color:#fff;font-size:clamp(1.05rem,2.3vw,1.4rem);line-height:1.3;font-weight:600}
.cta-strip p{color:#8B93A0;font-size:13.5px;margin-top:4px}
.cta-strip .btn{background:var(--acc);flex:0 0 auto}
.cta-strip .btn:hover{background:var(--accH)}

/* ---- chatbot ---- */
.chat-fab{position:fixed;bottom:24px;right:24px;z-index:200;width:56px;height:56px;border-radius:0;background:var(--ink);border:none;cursor:pointer;box-shadow:0 14px 30px -12px rgba(12,18,25,.5);display:flex;align-items:center;justify-content:center;transition:.3s}
.chat-fab:hover{background:var(--acc);transform:translateY(-2px)}
.chat-fab svg{width:24px;height:24px;stroke:#fff;fill:none;stroke-width:1.8}
.chat-fab .notif{position:absolute;top:-5px;right:-5px;width:14px;height:14px;background:#4ADE80;border-radius:99px;border:2px solid var(--bg);color:transparent;overflow:hidden}
.chat-panel{position:fixed;bottom:24px;right:24px;z-index:201;width:390px;max-width:calc(100vw - 32px);height:600px;max-height:calc(100vh - 48px);background:#fff;border-radius:0;box-shadow:0 30px 70px -20px rgba(12,18,25,.4);display:none;flex-direction:column;overflow:hidden;border:1px solid var(--line2)}
.chat-panel.open{display:flex}
.chat-head{background:var(--ink);padding:16px 18px;display:flex;align-items:center;gap:12px}
.chat-av{width:40px;height:40px;border-radius:0;background:var(--acc);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.chat-av svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:2}
.chat-head h4{font-size:14.5px;color:#fff;font-weight:600}
.chat-head .st{font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:#4ADE80;display:flex;align-items:center;gap:6px}
.chat-head .st .dot{width:6px;height:6px;border-radius:99px;background:#4ADE80}
.chat-head .x{margin-left:auto;background:none;border:none;color:rgba(255,255,255,.7);font-size:22px;cursor:pointer;line-height:1}
.chat-body{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:11px;background:var(--bg)}
.msg{max-width:84%;padding:11px 14px;border-radius:0;font-size:13.5px;line-height:1.55}
.msg.bot{background:#fff;border:1px solid var(--line);color:var(--text);align-self:flex-start}
.msg.user{background:var(--ink);color:#fff;align-self:flex-end;font-weight:500}
.msg.bot b{color:var(--acc)}
.typing{align-self:flex-start;background:#fff;border:1px solid var(--line);padding:13px 15px;border-radius:0;display:flex;gap:5px}
.typing span{width:6px;height:6px;border-radius:99px;background:var(--muted);animation:typ 1.2s infinite}
.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}
@keyframes typ{0%,60%,100%{opacity:.3}30%{opacity:1}}
.chat-opts{display:flex;flex-direction:column;gap:7px;padding:0 18px 8px;background:var(--bg)}
.chat-opt{background:#fff;border:1px solid var(--line2);color:var(--ink);padding:10px 14px;border-radius:0;font-size:13px;cursor:pointer;text-align:left;transition:.2s;font-family:var(--sans)}
.chat-opt:hover{border-color:var(--acc);color:var(--acc);background:var(--accBg)}
.chat-in{padding:12px;border-top:1px solid var(--line);display:flex;gap:8px;background:#fff}
.chat-in input{flex:1;background:var(--bg);border:1px solid var(--line);border-radius:0;padding:11px 13px;color:var(--ink);font-family:var(--sans);font-size:13.5px}
.chat-in input:focus{outline:none;border-color:var(--acc)}
.chat-send{width:42px;height:42px;flex:0 0 auto;border-radius:0;background:var(--acc);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center}
.chat-send:hover{background:var(--accH)}
.chat-send svg{width:18px;height:18px;stroke:#fff;fill:none;stroke-width:2}
.lead-card{background:var(--bg);border:1px solid var(--line2);border-radius:0;padding:15px;font-size:12.5px}
.lead-card h5{font-family:var(--mono);font-size:11px;color:var(--acc);margin-bottom:10px;text-transform:uppercase;letter-spacing:.08em}
.lead-card .lrow{display:flex;justify-content:space-between;padding:5px 0;border-bottom:1px dashed var(--line2)}
.lead-card .lrow:last-child{border:none}
.lead-card .lrow span{color:var(--muted)}.lead-card .lrow b{color:var(--ink);text-align:right}

@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal,.rv{opacity:1;transform:none}}