/* MICE BUSINESS GROUP — двери для объектов. Тема «Графит + чертёж»: тёмные акценты и светлые информационные секции */
:root{
  --blue:#044299;--blue2:#2372CD;--graphite:#2B2F36;
  --bg:#ffffff;--bg2:#F4F6F9;--bg3:#e9eef5;--card:#ffffff;--line:#e2e7ee;--line2:#cbd4df;
  --text:#2B2F36;--muted:#5d6878;--soft:#465467;--head:#182436;
  --grid:rgba(35,114,205,.06);--shadow:0 14px 40px rgba(24,42,70,.08);
  --hero-ov:linear-gradient(90deg,rgba(14,16,20,.97) 0%,rgba(14,16,20,.88) 38%,rgba(14,16,20,.25) 70%,rgba(14,16,20,.05) 100%);
  --r:8px;--wrap:1440px;
}
[data-theme="light"]{
  --bg:#ffffff;--bg2:#F4F6F9;--bg3:#e9edf3;--card:#ffffff;--line:rgba(43,47,54,.10);--line2:rgba(43,47,54,.20);
  --text:#2B2F36;--muted:#5d6672;--soft:#3d434c;--head:#1c2026;
  --grid:rgba(4,66,153,.07);--shadow:0 18px 40px rgba(20,30,50,.10);
  --hero-ov:linear-gradient(90deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.92) 34%,rgba(255,255,255,0) 56%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:400 17px/1.6 Inter,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;-webkit-font-smoothing:antialiased;transition:background .25s,color .25s}
img{max-width:100%;display:block}
a{color:var(--blue2);text-decoration:none}
a:hover{color:#4b8fe0}
h1,h2,h3,h4{font-family:Montserrat,Inter,sans-serif;color:var(--head);margin:0 0 .5em;line-height:1.15;letter-spacing:-.01em}
h1{font-size:clamp(36px,5vw,62px);font-weight:700}
h2{font-size:clamp(28px,3.2vw,40px);font-weight:600}
h3{font-size:clamp(19px,1.8vw,24px);font-weight:600}
h4{font-size:17px;font-weight:600}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 80px}
.eyebrow{font:500 13px/1.4 Inter,sans-serif;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);margin-bottom:18px;display:block}
.eyebrow::before{content:"";display:block;width:40px;height:2px;background:var(--blue2);margin-bottom:16px}
.lead{font-size:19px;color:var(--soft);max-width:640px}
.muted{color:var(--muted)}
.small{font-size:14px}

/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(21,24,29,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
[data-theme="light"] .hdr{background:rgba(255,255,255,.94)}
.hdr__top{display:flex;align-items:center;justify-content:space-between;gap:28px;height:78px}
.hdr__navrow{border-top:1px solid var(--line)}
.hdr__dl{font-size:14px}
.logo{display:block;width:190px;flex:0 0 auto}
.logo img{width:100%;height:auto}
.logo .l-light{display:none}
[data-theme="light"] .logo .l-dark{display:none}
[data-theme="light"] .logo .l-light{display:block}
.nav{display:flex;gap:4px;justify-content:space-between;flex-wrap:nowrap;height:52px;align-items:center;margin:0 -10px}
.nav a{color:var(--soft);font-size:15px;font-weight:500;padding:8px 10px;border-radius:var(--r);white-space:nowrap}
.nav a:hover,.nav a.active{color:var(--head);background:var(--bg3)}
.hdr__right{display:flex;align-items:center;gap:16px}
.hdr__phone{color:var(--head);font-weight:600;font-size:15px;white-space:nowrap}
.theme-btn{width:52px;height:28px;border-radius:20px;border:1px solid var(--line2);background:var(--bg3);position:relative;cursor:pointer;flex:0 0 auto}
.theme-btn::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:var(--blue2);transition:left .2s}
[data-theme="light"] .theme-btn::after{left:27px}
.theme-btn span{position:absolute;top:4px;font-size:12px;line-height:18px}
.theme-btn .s1{right:7px}.theme-btn .s2{left:7px}
.burger{display:none;background:none;border:0;color:var(--head);font-size:26px;cursor:pointer}

/* buttons, badges */
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--blue);color:#fff;font:600 15.5px/1 Inter,sans-serif;padding:17px 26px;border-radius:var(--r);border:1px solid var(--blue);cursor:pointer;transition:background .2s,transform .2s}
.btn:hover{background:var(--blue2);border-color:var(--blue2);color:#fff}
.btn--sm{padding:11px 16px;font-size:14px}
.btn--ghost{background:transparent;color:var(--head);border-color:var(--line2)}
.btn--ghost:hover{background:var(--bg3);color:var(--head);border-color:var(--blue2)}
.btn .arr{font-size:18px;line-height:0}
.dl{display:inline-flex;align-items:center;gap:8px;color:var(--soft);font-weight:500;border-bottom:1px solid var(--blue2);padding-bottom:3px}
.dl:hover{color:var(--head)}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px}
.badge{display:inline-block;font:500 13px/1 Inter,sans-serif;padding:7px 10px;border:1px solid var(--blue2);color:#7fb1ec;border-radius:var(--r)}
[data-theme="light"] .badge{color:var(--blue)}
.badge--fill{background:var(--blue2);color:#fff;border-color:var(--blue2)}
[data-theme="light"] .badge--fill{color:#fff}
.tag{display:inline-block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line2);padding:4px 8px;border-radius:var(--r)}

/* hero */
.hero{position:relative;min-height:640px;display:flex;align-items:center;overflow:hidden;border-bottom:1px solid var(--line)}
.hero__bg{position:absolute;inset:0;background-size:cover;background-position:right center}
.hero__bg::after{content:"";position:absolute;inset:0;background:var(--hero-ov)}
.hero__grid{position:absolute;inset:0;background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(90deg,#000 0%,transparent 55%);-webkit-mask-image:linear-gradient(90deg,#000 0%,transparent 55%)}
.hero .wrap{position:relative;width:100%;padding-top:80px;padding-bottom:80px}
.hero__text{max-width:680px}
.hero__text .lead{margin-bottom:34px}
.hero__cta{display:flex;align-items:center;gap:28px;flex-wrap:wrap;margin-bottom:30px}
.callouts{position:absolute;inset:0;pointer-events:none}
.co{position:absolute;font:500 11.5px/1.35 Inter,sans-serif;letter-spacing:.12em;text-transform:uppercase;color:#e3eefb;display:flex;align-items:center;gap:0}
.co em{font-style:normal;background:rgba(12,14,18,.78);border:1px solid rgba(35,114,205,.55);padding:6px 10px;border-radius:3px;white-space:nowrap}
.co i{display:block;width:7px;height:7px;border-radius:50%;background:var(--blue2);box-shadow:0 0 0 4px rgba(35,114,205,.25)}
.co b{display:block;width:44px;height:1px;background:var(--blue2)}
[data-theme="light"] .co em{background:rgba(255,255,255,.9);color:#044299}
.hero--page{min-height:440px}
.hero--page .hero__text{max-width:760px}
.crumbs{font-size:13.5px;color:var(--muted);margin-bottom:22px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--head)}

/* trust strip */
.trust{background:var(--bg2);border-bottom:1px solid var(--line)}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.trust__i{display:flex;gap:16px;align-items:center;padding:28px 24px;border-left:1px solid var(--line)}
.trust__i:first-child{border-left:0;padding-left:0}
.trust__i svg{flex:0 0 40px;width:40px;height:40px;stroke:var(--blue2);fill:none;stroke-width:1.5}
.trust__i span{font-size:15px;line-height:1.4;color:var(--soft)}

/* sections */
.sec{padding:110px 0;position:relative}
.sec--alt{background:var(--bg2)}
.sec--dark{background:#0f1115;color:#e9edf2}
.sec--dark h2,.sec--dark h3{color:#fff}
.sec--grid{background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:48px 48px}
.sec__head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:54px;flex-wrap:wrap}
.sec__head h2{margin:0}
.sec__head .note{color:var(--muted);font-size:15px;max-width:520px}
.g2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:72px;align-items:center}
.split--rev>:first-child{order:2}

/* tiles & cards */
.tile{position:relative;display:block;border-radius:var(--r);overflow:hidden;min-height:400px;background:var(--bg3);color:#fff;isolation:isolate}
.tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s;z-index:-2}
.tile::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,16,0) 35%,rgba(10,12,16,.92) 100%);z-index:-1}
.tile:hover img{transform:scale(1.04)}
.tile__b{position:absolute;left:0;right:0;bottom:0;padding:26px}
.tile__b h3{color:#fff;margin-bottom:6px}
.tile__b p{color:#c9d1db;font-size:14.5px;margin:0 0 12px}
.tile .badge{color:#cfe0f5;border-color:rgba(127,177,236,.7);background:rgba(10,12,16,.35)}
.tile__arr{position:absolute;right:24px;bottom:26px;font-size:22px;color:#fff}
.tile--sm{min-height:260px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:border-color .2s,transform .2s,box-shadow .2s}
.card:hover{border-color:var(--blue2);box-shadow:var(--shadow)}
.card__img{aspect-ratio:4/3;background:#eef1f5;overflow:hidden}
.card__img img{width:100%;height:100%;object-fit:cover}
.card__img--contain img{object-fit:contain;padding:18px;background:#f3f5f8}
.card__b{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.card__b h3{font-size:19px;margin-bottom:10px}
.pass{list-style:none;margin:0 0 16px;padding:0;font-size:14.5px;color:var(--muted)}
.pass li{padding:6px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:12px}
.pass li b{color:var(--soft);font-weight:500;text-align:right}
.more{margin-top:auto;font-weight:600;font-size:14.5px}
.more::after{content:" →"}
.fact{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:30px}
.fact__n{font:700 46px/1 Montserrat,sans-serif;color:var(--head);margin-bottom:10px;letter-spacing:-.02em}
.fact__n small{font-size:20px;font-weight:600;color:var(--blue2);margin-left:4px}
.fact p{margin:0;color:var(--muted);font-size:15px}
.ico-list{list-style:none;padding:0;margin:0 0 28px}
.ico-list li{position:relative;padding:10px 0 10px 34px;border-bottom:1px solid var(--line);color:var(--soft)}
.ico-list li::before{content:"";position:absolute;left:0;top:17px;width:18px;height:10px;border-left:2px solid var(--blue2);border-bottom:2px solid var(--blue2);transform:rotate(-45deg)}
.img-frame{border-radius:var(--r);overflow:hidden;position:relative;border:1px solid var(--line)}
.img-frame img{width:100%;height:100%;object-fit:cover}
.mosaic{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.mosaic .img-frame{aspect-ratio:1/1}
.mosaic .img-frame:first-child{grid-row:span 2;aspect-ratio:auto}

/* tables */
.tbl{width:100%;border-collapse:collapse;font-size:15px}
.tbl th,.tbl td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{font:600 12.5px/1.3 Inter,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);background:var(--bg2)}
.tbl td:first-child{color:var(--muted)}
.tbl td b{color:var(--head);font-weight:600}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
.spec{width:100%;border-collapse:collapse;font-size:15px}
.spec td{padding:11px 0;border-bottom:1px solid var(--line)}
.spec td:first-child{color:var(--muted);width:46%}
.spec td:last-child{color:var(--head);font-weight:500}

/* model levels */
.levels{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--card)}
.lvl{padding:28px;border-left:1px solid var(--line)}
.lvl:first-child{border-left:0}
.lvl h4{font-size:20px;margin-bottom:4px}
.lvl .tag{margin-bottom:14px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:st;border-top:1px solid var(--line2)}
.step{padding:28px 22px 0 0;position:relative}
.step::before{counter-increment:st;content:"0" counter(st);display:block;font:700 15px Montserrat,sans-serif;color:var(--blue2);margin-bottom:14px}
.step::after{content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:50%;background:var(--blue2)}
.step h4{margin-bottom:6px}
.step p{font-size:14.5px;color:var(--muted);margin:0}
.steps--4{grid-template-columns:repeat(4,1fr)}
.steps--6{grid-template-columns:repeat(6,1fr)}

/* projects */
.proj{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.proj__img{aspect-ratio:16/10;overflow:hidden}
.proj__img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.proj:hover .proj__img img{transform:scale(1.04)}
.proj__b{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.proj__b h3{font-size:19px;margin-bottom:8px}
.proj__facts{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:13.5px;color:var(--muted);margin-bottom:12px}
.proj__facts span::before{content:"";display:inline-block;width:6px;height:6px;background:var(--blue2);margin-right:7px;vertical-align:middle}
.proj__num{font:700 30px/1 Montserrat,sans-serif;color:var(--head);margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}
.proj__num small{font:500 14px Inter,sans-serif;color:var(--muted);margin-left:6px}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:34px}
.filters button{background:transparent;border:1px solid var(--line2);color:var(--soft);font:500 14px Inter,sans-serif;padding:10px 16px;border-radius:var(--r);cursor:pointer}
.filters button.on,.filters button:hover{background:var(--blue);border-color:var(--blue);color:#fff}

/* docs */
.doc{display:flex;gap:18px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.doc__ico{flex:0 0 54px;height:68px;border:1px solid var(--line2);border-radius:3px;position:relative;background:var(--bg2)}
.doc__ico::after{content:"PDF";position:absolute;bottom:8px;left:8px;font:700 11px Inter,sans-serif;color:#fff;background:var(--blue2);padding:3px 5px;border-radius:2px}
.doc__ico.dwg::after{content:"DWG"}
.doc__ico.xls::after{content:"XLSX"}
.doc h4{font-size:16px;margin-bottom:6px}
.doc p{font-size:14px;color:var(--muted);margin:0}

/* CTA + forms */
.cta{background:#0f1115 linear-gradient(90deg,rgba(4,66,153,.55),rgba(4,66,153,0) 70%);color:#e9edf2;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(35,114,205,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(35,114,205,.14) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(90deg,transparent,#000 60%);-webkit-mask-image:linear-gradient(90deg,transparent,#000 60%)}
.cta .wrap{position:relative}
.cta h2{color:#fff}
.cta .lead{color:#c9d1db}
.form{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:34px;color:var(--text)}
.cta .form{background:rgba(21,24,29,.92);border-color:rgba(255,255,255,.12);color:#e9edf2}
[data-theme="light"] .cta .form{background:#fff;color:#2B2F36}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.fld{display:block;margin-bottom:14px}
.fld span{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.fld input,.fld textarea,.fld select{width:100%;background:var(--bg);border:1px solid var(--line2);color:var(--text);font:400 15.5px Inter,sans-serif;padding:13px 14px;border-radius:var(--r);outline:none}
.cta .fld input,.cta .fld textarea{background:rgba(255,255,255,.04);color:#e9edf2}
[data-theme="light"] .cta .fld input,[data-theme="light"] .cta .fld textarea{background:#fff;color:#2B2F36}
.fld input:focus,.fld textarea:focus{border-color:var(--blue2)}
.drop{display:block;border:1.5px dashed var(--blue2);border-radius:var(--r);padding:24px;text-align:center;cursor:pointer;margin-bottom:14px;background:rgba(35,114,205,.06);transition:background .2s}
.drop:hover,.drop.over{background:rgba(35,114,205,.14)}
.drop input{display:none}
.drop strong{display:block;color:var(--head);font-weight:600;margin-bottom:4px}
.cta .drop strong{color:#fff}
[data-theme="light"] .cta .drop strong{color:#1c2026}
.drop small{color:var(--muted);font-size:13px}
.drop .fname{display:block;margin-top:8px;color:#7fb1ec;font-weight:500}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);margin:6px 0 18px}
.agree input{margin-top:3px;accent-color:var(--blue2)}
.hp{position:absolute;left:-9999px}
.f-err{background:rgba(220,60,60,.12);border:1px solid rgba(220,60,60,.5);color:#ffb3b3;padding:12px 14px;border-radius:var(--r);margin-bottom:16px;font-size:14.5px}
[data-theme="light"] .f-err{color:#a32020}
.ok{text-align:center;padding:30px 10px}
.ok__ico{width:66px;height:66px;border-radius:50%;border:2px solid var(--blue2);margin:0 auto 20px;position:relative}
.ok__ico::after{content:"";position:absolute;left:21px;top:16px;width:20px;height:12px;border-left:3px solid var(--blue2);border-bottom:3px solid var(--blue2);transform:rotate(-45deg)}
.contacts-list{list-style:none;padding:0;margin:0}
.contacts-list li{padding:14px 0;border-bottom:1px solid var(--line)}
.contacts-list small{display:block;color:var(--muted);font-size:13px;margin-bottom:2px}
.contacts-list a,.contacts-list b{color:var(--head);font-size:19px;font-weight:600}
.cta .contacts-list a{color:#fff}

/* footer */
.ftr{background:#0c0e11;color:#9aa4b1;padding:72px 0 30px;font-size:14.5px}
.ftr .wrap>.cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:46px}
.ftr h4{color:#fff;font-size:14px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px}
.ftr a{color:#9aa4b1;display:block;padding:4px 0}
.ftr a:hover{color:#fff}
.ftr .logo{width:200px;margin-bottom:16px}
.ftr .sub{color:#c5ccd6;margin-bottom:14px}
.ftr__tel{color:#fff!important;font-size:18px;font-weight:600}
.ftr__bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:22px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px}
.demo-note{color:#6f7a87}

/* content (text pages) */
.prose{max-width:820px}
.prose h2{font-size:28px;margin-top:1.6em}
.prose h3{font-size:20px;margin-top:1.4em}
.prose li{margin-bottom:.4em}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}

@media (max-width:1240px){
  .nav a{padding:8px 7px;font-size:14px}
  .hdr__dl{display:none}
}
@media (max-width:1080px){
  .wrap{padding:0 28px}
  .hdr__navrow{border-top:0;padding:0}
  .nav{display:none;position:absolute;top:78px;left:0;right:0;height:auto;margin:0;background:var(--bg);flex-direction:column;align-items:stretch;padding:12px 28px 24px;border-bottom:1px solid var(--line)}
  .hdr__phone{display:none}
  .nav.open{display:flex}
  .nav a{font-size:16px;padding:12px 0}
  .burger{display:block}
  .hdr__right .btn{display:none}
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:44px}
  .split--rev>:first-child{order:0}
  .trust .wrap{grid-template-columns:repeat(2,1fr)}
  .trust__i:nth-child(3){border-left:0;padding-left:0}
  .steps,.steps--6{grid-template-columns:repeat(2,1fr);row-gap:30px}
  .levels{grid-template-columns:1fr}
  .lvl{border-left:0;border-top:1px solid var(--line)}
  .lvl:first-child{border-top:0}
  .ftr .wrap>.cols{grid-template-columns:1fr 1fr}
  .callouts{display:none}
  .hero__bg{background-position:68% center}
}
@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  .sec{padding:72px 0}
  .g2,.g3,.g4{grid-template-columns:1fr}
  .form .row{grid-template-columns:1fr}
  .form{padding:22px}
  .trust .wrap{grid-template-columns:1fr}
  .trust__i{border-left:0!important;padding:16px 0;border-top:1px solid var(--line)}
  .hero{min-height:560px}
  .hero__bg{background-position:72% center}
  .hero__bg::after{background:linear-gradient(180deg,rgba(14,16,20,.75),rgba(14,16,20,.92))}
  [data-theme="light"] .hero__bg::after{background:linear-gradient(180deg,rgba(255,255,255,.82),rgba(255,255,255,.95))}
  .logo{width:150px}
  .tile{min-height:320px}
  .ftr .wrap>.cols{grid-template-columns:1fr}
  .mosaic{grid-template-columns:1fr}
  .mosaic .img-frame:first-child{grid-row:auto;aspect-ratio:4/3}
}

/* Reference60409, editorial update65610: high contrast content in both modes. */
.hdr{background:rgba(32,38,46,.97);--head:#fff;--soft:#e2e8f0;--line:rgba(255,255,255,.12);--bg3:#303944;--line2:#566271;color:#e2e8f0}
.hdr__top{height:96px;gap:24px}.hdr__right{gap:22px}.hdr .logo{width:185px}.hdr .dl{font-size:13px}.nav{height:56px}.nav a{font-size:14px;padding:10px 8px}.hdr .theme-btn{background:#31435b}.theme-btn span{color:#fff}
[data-theme="light"] .hdr{--head:#182436;--soft:#3c4b5f;--line:#e2e7ee;--bg3:#edf2f8;--line2:#cbd4df}
[data-theme="light"] .theme-btn span{color:#182436}
.hero{min-height:650px;--head:#fff;--soft:#e0e6ef;--muted:#c1cddd;--line2:rgba(255,255,255,.35)}
.hero__text{max-width:650px}.hero .lead{font-size:20px;line-height:1.55;max-width:590px}.hero .eyebrow{font-size:12px;letter-spacing:.18em}.hero h1{font-size:clamp(38px,4.3vw,64px);line-height:1.08;letter-spacing:-.045em;margin-bottom:24px}.hero .badge{background:rgba(16,30,46,.5);color:#b9d7ff;border-color:#5c9bdd}.hero .hero__cta{gap:22px;margin:32px 0}.hero__grid{opacity:.35}.hero__bg::after{background:linear-gradient(90deg,rgba(18,25,34,.96),rgba(18,25,34,.78) 38%,rgba(18,25,34,.05) 78%)}
.hero--page{min-height:430px}.hero--page h1{font-size:clamp(34px,3.8vw,54px)}
[data-theme="light"] .hero{--head:#182436;--soft:#344254;--muted:#465467;--line2:#b4c1d1}
[data-theme="light"] .hero__bg::after{background:linear-gradient(90deg,rgba(255,255,255,.98),rgba(255,255,255,.9) 38%,rgba(255,255,255,.04) 80%)}
[data-theme="light"] .hero .badge{background:rgba(255,255,255,.88);color:#044299}
.hero-detail{position:absolute;right:5.5%;bottom:42px;border-left:2px solid #559fe8;padding-left:16px;color:#d8e6f5;max-width:230px;font-size:12px;letter-spacing:.08em}.hero-detail strong{display:block;color:white;font-size:14px;letter-spacing:0;margin-bottom:6px}[data-theme="light"] .hero-detail{background:#fffffff0;color:#3c4b5f;padding:14px}[data-theme="light"] .hero-detail strong{color:#182436}
.trust{background:#edf3fa}.trust__i{padding:25px 20px}.trust__i span{color:#34445a;font-size:14px}.trust__i svg{stroke:#2372cd}
.sec{padding:96px 0}.sec__head{margin-bottom:40px;gap:24px}.sec__head .note{max-width:440px;margin:0}.eyebrow{color:#516b8d;letter-spacing:.16em;font-size:12px}h2{letter-spacing:-.025em;line-height:1.16}.lead{line-height:1.65}
.sec--dark,.cta{--bg:#20262e;--bg2:#29323e;--bg3:#313d4c;--card:#283240;--text:#e2eaf4;--head:#fff;--muted:#b8c5d6;--soft:#dce5f0;--line:rgba(255,255,255,.14);--line2:rgba(255,255,255,.25);background-color:#20262e;color:var(--text)}
.sec--dark .eyebrow{color:#a5c9f4}.sec--dark .badge{color:#bbd9ff}.sec--dark .btn--ghost{color:white}.sec--dark .more{color:#9bc8ff}.sec--dark .object-visual{border:0;background:#20262e;aspect-ratio:4/3}.object-visual img{object-fit:contain;width:100%;height:100%}
.tile{min-height:0;background:#fff;color:#182436;border:1px solid #dce4ee;display:flex;flex-direction:column;box-shadow:0 4px 14px rgba(26,43,64,.035)}
.tile img{position:relative;inset:auto;width:100%;height:238px;object-fit:cover;z-index:auto}.tile::after{display:none}.tile__b{position:relative;bottom:auto;padding:24px 22px 32px;flex:1}.tile__b h3{color:#182436;font-size:21px;line-height:1.23;padding-right:18px}.tile__b p{color:#526175;font-size:14px;margin:12px 0 0}.tile .badge{color:#044299;border-color:#bdd2ec;background:#f2f7fd;font-size:12px;padding:6px 8px}.tile__arr{color:#044299;bottom:28px;right:18px}.tile:hover{color:#044299;border-color:#7aa5d8;box-shadow:var(--shadow)}.tile:hover img{transform:scale(1.025)}.tile--sm img{height:180px}.tile--sm .tile__b{padding:20px 22px 26px}.tile--sm h3{font-size:19px}.tile--sm{min-height:0}
.card{border-color:#dce4ee}.card__b{padding:26px}.card__b h3{font-size:21px}.fact{padding:30px;background:#fff}.fact__n{font-size:clamp(32px,3.2vw,46px);white-space:nowrap}.fact__n small{font-size:16px}.badge{color:#044299;background:#f3f7fc;border-color:#b6cce7}.badge--fill{color:#fff;background:#044299;border-color:#044299}.tag{color:#536479;background:#f7f9fc}.more{color:#165da9}.more:hover{color:#044299}.pass li{align-items:flex-start}.pass li b{min-width:0;overflow-wrap:anywhere}.g2>*,.g3>*,.g4>*,.split>*{min-width:0}.spec{table-layout:fixed}.spec td{overflow-wrap:anywhere;padding:14px 10px 14px 0}.tbl{min-width:560px}.tbl-wrap:focus-visible{outline:3px solid #2372cd;outline-offset:4px}
.feature-list{display:grid;gap:0;margin:24px 0 30px}.feature-row{display:grid;grid-template-columns:46px 1fr;gap:18px;padding:22px 0;border-bottom:1px solid #dce4ee}.feature-row:first-child{padding-top:0}.feature-row .num{font:600 18px Montserrat,sans-serif;color:#044299;background:#edf3fb;width:44px;height:44px;border-radius:50%;display:grid;place-items:center}.feature-row h3{font-size:21px;margin:0 0 7px}.feature-row p{color:#526175;font-size:15px;margin:0}.feature-photo{aspect-ratio:4/5}.feature-photo img{object-fit:cover}.pill-row{display:flex;gap:10px;flex-wrap:wrap}.pill{background:#edf3fb;color:#044299;padding:9px 14px;border-radius:6px;font-size:14px;font-weight:500}
.service-cards{margin-top:40px}.service-card{background:#f4f6f9;border:1px solid #e1e7ee;border-radius:8px;display:grid;grid-template-columns:155px 1fr;overflow:hidden}.service-card img{width:100%;height:100%;object-fit:cover;min-height:230px}.service-card__body{padding:28px}.service-card h3{font-size:24px;line-height:1.25}.service-card p{font-size:15px;color:#526175}.service-card .more{display:inline-block;margin-top:6px}.steps{border-top-color:#bfd0e4}.step::before{color:#044299;font-size:23px}.step h4{font-size:16px;line-height:1.35}.step p{color:#526175;line-height:1.6}.step{min-width:0}.step::after{box-shadow:0 0 0 5px #edf3fb}.school-strip{background:#f4f6f9}.school-strip .img-frame{aspect-ratio:5/4}.school-strip h2{max-width:540px}
.cta .form,[data-theme="light"] .cta .form{--head:#182436;--text:#2b2f36;--soft:#465467;--muted:#5d6878;--bg:#fff;--line:#e2e7ee;--line2:#b9c6d7;background:#fff;color:#2b2f36;border:1px solid #dce4ee;box-shadow:0 24px 60px #0002}.cta .fld input,.cta .fld textarea{background:#fff;color:#2b2f36}.cta .drop strong{color:#182436}.cta .agree,.cta .fld span,.cta .drop small{color:#5d6878}.cta .drop .fname{color:#044299}.cta .contacts-list small{color:#c0cddd}.cta .eyebrow{color:#b4ccec}.cta .contacts-list li{border-color:#ffffff30}.ftr{background:#171d26;color:#b2c0d0}.ftr a{color:#bbc8d8}.ftr .sub{color:#e1e9f2}.ftr .demo-note{color:#a9b8cb}.ftr .btn{color:#fff}.ftr .wrap>.cols{gap:26px}.ftr__tel{font-size:16px;white-space:nowrap}.ftr a[href^="mailto:"]{overflow-wrap:anywhere}.doc{background:#fff}.doc:hover{border-color:#93b5df}
:focus-visible{outline:3px solid #2372cd;outline-offset:4px}.btn:focus-visible{outline-offset:5px}.mobile-cta{display:none}.review-banner{padding:10px 20px;text-align:center;background:#edf3fa;color:#34445a;font-size:12px}.review-banner a{margin-left:14px;text-decoration:underline}.review-form-note{font-size:14px;color:#5d6878}.review-contact{padding:30px;background:#fff;border:1px solid #dce4ee;border-radius:8px;color:#2b2f36}.review-contact h3{color:#182436}.review-contact .btn{color:#fff}
@media(min-width:1081px) and (max-width:1360px){.wrap{padding-left:48px;padding-right:48px}.hdr__right{gap:14px}.hdr .hdr__dl{display:none}.service-card{grid-template-columns:120px 1fr}.service-card__body{padding:24px}}
@media(max-width:1080px){.wrap{padding-left:28px;padding-right:28px}.hdr__top{height:78px}.hdr .logo{width:165px}.hdr .nav{background:#20262e;--soft:#e2e8f0;--head:#fff;max-height:calc(100dvh - 78px);overflow-y:auto}[data-theme="light"] .hdr .nav{background:#fff;--soft:#34445a;--head:#182436}.hero-detail{display:none}.hero .hero__text{max-width:620px}.feature-photo{max-height:600px;aspect-ratio:4/3}.service-card{grid-template-columns:1fr}.service-card img{height:190px;min-height:0}.service-cards{gap:18px}.hdr .nav a{font-size:16px}.trust__i span{font-size:14px}}
@media(max-width:640px){body{padding-bottom:65px}.wrap{padding-left:20px;padding-right:20px}.sec{padding:64px 0}.hero{min-height:590px}.hero--page{min-height:390px}.hero .wrap{padding-top:52px;padding-bottom:52px}.hero h1{font-size:38px;line-height:1.11}.hero--page h1{font-size:34px}.hero .lead{font-size:17px;line-height:1.55}.hero .hero__cta{align-items:stretch;flex-direction:column;gap:20px}.hero .btn{justify-content:center}.hero .dl{align-self:flex-start;font-size:14px}.hero__bg::after{background:linear-gradient(90deg,#14202df0,#14202da6)}[data-theme="light"] .hero__bg::after{background:linear-gradient(90deg,#fffffff2,#ffffffe0)}.hero .eyebrow{font-size:10px;letter-spacing:.12em}.hero .badge{font-size:12px}.hdr .logo{width:145px}.hdr__right{gap:15px}.trust .wrap{grid-template-columns:1fr 1fr;gap:0}.trust__i{padding:18px 10px!important;gap:10px;align-items:flex-start}.trust__i svg{width:27px;height:27px;flex-basis:27px}.trust__i span{font-size:12px;line-height:1.45}.sec__head{margin-bottom:28px}h2{font-size:30px}.tile img{height:240px}.tile__b h3{font-size:22px}.tile--sm img{height:200px}.fact__n{font-size:38px}.steps{grid-template-columns:1fr;row-gap:0;border-top:0;counter-reset:st}.step{padding:20px 0 20px 56px;border-bottom:1px solid #dce4ee}.step::before{position:absolute;left:0;top:20px;font-size:22px}.step::after{display:none}.step h4{font-size:18px}.service-cards{grid-template-columns:1fr}.service-card{grid-template-columns:1fr}.service-card img{height:200px}.service-card h3{font-size:24px}.feature-row h3{font-size:20px}.feature-row{gap:14px;grid-template-columns:40px 1fr}.feature-row .num{width:38px;height:38px;font-size:16px}.feature-photo{aspect-ratio:4/3}.ftr{padding-bottom:35px}.ftr .wrap>.cols{gap:32px}.mobile-cta{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:55;background:#fff;padding:10px 20px calc(10px + env(safe-area-inset-bottom));border-top:1px solid #dce4ee;gap:12px}.mobile-cta .btn{flex:1;justify-content:center;padding:14px 12px;font-size:14px}.mobile-cta .mobile-call{display:grid;place-items:center;border:1px solid #b9cbe0;border-radius:6px;padding:0 14px;font-size:20px}.review-banner{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}.reveal{opacity:1;transform:none}}

.hero .eyebrow{color:var(--muted)}
.catalog-toolbar{margin:0 0 26px}.catalog-toolbar .filters{margin-bottom:0}.filters button:focus-visible{outline-offset:3px}

/* Keep anchor headings visible below the sticky navigation. */
section[id],main [id]{scroll-margin-top:176px}
.table-scroll-hint{display:none}
#ispolneniya .tbl{min-width:0;table-layout:fixed}
@media(max-width:1080px){section[id],main [id]{scroll-margin-top:96px}}
@media(max-width:640px){.table-scroll-hint{display:block;color:#526175;font-size:13px;margin:0 0 10px}#ispolneniya .tbl th{font-size:10px;letter-spacing:.02em;padding:12px 8px}#ispolneniya .tbl td{font-size:13px;padding:12px 8px}#ispolneniya .tbl th:nth-child(1){width:34%}#ispolneniya .tbl th:nth-child(2){width:28%}#ispolneniya .tbl th:nth-child(3){width:38%}}

/* Screen audit65652: retain button spacing and separate request step numbers. */
.ftr .btn{min-height:44px;padding:12px 16px;line-height:1.35;justify-content:center;text-align:center;white-space:normal;max-width:100%}
.steps--request{grid-template-columns:1fr;border-top:0;row-gap:0}
.steps--request .step{padding:20px 0 20px 56px;border-left:0;border-bottom:1px solid var(--line)}
.steps--request .step::before{position:absolute;left:0;top:20px;width:38px;margin:0;font-size:22px}
.steps--request .step::after{display:none}
[data-theme="light"] .hdr .theme-btn span{color:#fff}
.review-banner a{color:#044299}
.acoustic-options{margin-top:30px;padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--r)}
.acoustic-options h3{font-size:22px}.acoustic-options p{font-size:15px;color:var(--muted);margin-bottom:16px}.acoustic-options .pill-row{margin-bottom:16px}


/* Owner clarification65662: two complete themes, with one semantic palette. */
html[data-theme="dark"]{
  color-scheme:dark;
  --bg:#171c24;--bg2:#1e2631;--bg3:#2b3746;--card:#222c39;
  --head:#f7faff;--text:#e3ebf5;--soft:#d0dceb;--muted:#b4c2d4;
  --line:#394859;--line2:#536579;--link:#8fc2ff;--link-hover:#c3e1ff;
  --accent:#83baff;--badge-bg:#243e5c;--badge-fg:#cee5ff;
  --header:#1b2430;--footer:#121923;--section-accent:#202e41;
  --grid:rgba(131,186,255,.06);--switch:#314b6c;--switch-icon:#fff;
  --shadow:0 18px 40px rgba(0,0,0,.22);
}
html[data-theme="light"]{
  color-scheme:light;
  --bg:#ffffff;--bg2:#f4f6f9;--bg3:#e6edf6;--card:#ffffff;
  --head:#182436;--text:#2b3748;--soft:#435267;--muted:#526175;
  --line:#dce4ee;--line2:#b9c8d9;--link:#0859a7;--link-hover:#044299;
  --accent:#1b65b6;--badge-bg:#edf4fc;--badge-fg:#044299;
  --header:#ffffff;--footer:#eef3f9;--section-accent:#edf4fc;
  --grid:rgba(4,66,153,.055);--switch:#d5e4f6;--switch-icon:#044299;
  --shadow:0 18px 40px rgba(24,42,70,.08);
}
/* Old section-local colors must inherit the selected page palette. */
html[data-theme] :is(.hdr,.hero,.sec--dark,.cta,.form,.cta .form,.hdr .nav,.review-contact){
  --bg:inherit;--bg2:inherit;--bg3:inherit;--card:inherit;
  --head:inherit;--text:inherit;--soft:inherit;--muted:inherit;
  --line:inherit;--line2:inherit;
}
html[data-theme] body{background:var(--bg);color:var(--text)}
html[data-theme] a{color:var(--link)}
html[data-theme] a:hover{color:var(--link-hover)}
html[data-theme] :is(h1,h2,h3,h4){color:var(--head)}
html[data-theme] :is(.muted,.small.muted,.eyebrow,.hero .eyebrow,.sec--dark .eyebrow,.cta .eyebrow,.table-scroll-hint,.review-form-note,.pass){color:var(--muted)}
html[data-theme] :is(.lead,.hero .lead,.cta .lead,.ico-list li,.pass li b){color:var(--soft)}
html[data-theme] .hdr{background:var(--header);border-color:var(--line);color:var(--text)}
html[data-theme] .hdr__phone{color:var(--head)}
html[data-theme] .hdr .dl{color:var(--link)}
html[data-theme] .hdr .nav{background:var(--header);border-color:var(--line)}
html[data-theme] .nav a{color:var(--soft)}
html[data-theme] .nav a:is(:hover,.active){color:var(--head);background:var(--bg3)}
html[data-theme] .hdr .theme-btn{background:var(--switch);border-color:var(--line2)}
html[data-theme] .hdr .theme-btn span{color:var(--switch-icon)}
html[data-theme] .theme-btn::after{background:var(--accent)}
html[data-theme] .hero{background:var(--bg);border-color:var(--line)}
html[data-theme="dark"] .hero__bg::after{background:linear-gradient(90deg,rgba(23,28,36,.98),rgba(23,28,36,.86) 38%,rgba(23,28,36,.08) 80%)}
html[data-theme="light"] .hero__bg::after{background:linear-gradient(90deg,rgba(255,255,255,.99),rgba(255,255,255,.94) 38%,rgba(255,255,255,.1) 80%)}
html[data-theme] .hero-detail{background:var(--card);color:var(--soft);padding:14px;border-color:var(--accent);border-radius:4px}
html[data-theme] .hero-detail strong{color:var(--head)}
html[data-theme] :is(.crumbs,.crumbs a){color:var(--muted)}
html[data-theme] .trust{background:var(--bg2);border-color:var(--line)}
html[data-theme] .trust__i span{color:var(--soft)}
html[data-theme] .trust__i svg{stroke:var(--accent)}
html[data-theme] .sec{background-color:var(--bg)}
html[data-theme] :is(.sec--alt,.school-strip){background:var(--bg2)}
html[data-theme] :is(.sec--dark,.cta){background:var(--section-accent);color:var(--text)}
html[data-theme] .cta::before{opacity:.28}
html[data-theme] :is(.tile,.card,.fact,.proj,.levels,.doc,.tbl-wrap,.form,.cta .form,.review-contact,.acoustic-options){background:var(--card);color:var(--text);border-color:var(--line)}
html[data-theme] :is(.tile__b h3,.card__b h3,.review-contact h3,.fact__n,.proj__num,.tile:hover){color:var(--head)}
html[data-theme] :is(.tile__b p,.fact p,.doc p,.feature-row p,.service-card p,.step p){color:var(--muted)}
html[data-theme] :is(.tile__arr,.more,.sec--dark .more,.fact__n small){color:var(--link)}
html[data-theme] :is(.badge,.hero .badge,.tile .badge,.sec--dark .badge,.pill,.feature-row .num){background:var(--badge-bg);color:var(--badge-fg);border-color:var(--line2)}
html[data-theme] .badge--fill{background:var(--blue);color:#fff;border-color:var(--blue)}
html[data-theme] .tag{background:var(--bg2);color:var(--muted);border-color:var(--line2)}
html[data-theme] :is(.card__img,.card__img--contain img,.doc__ico){background:var(--bg2);border-color:var(--line)}
html[data-theme] :is(.service-card,.feature-row,.steps,.step,.tbl td,.spec td,.pass li){border-color:var(--line)}
html[data-theme] .service-card{background:var(--card)}
html[data-theme] .step::after{background:var(--accent);box-shadow:0 0 0 5px var(--bg2)}
html[data-theme] :is(.tbl th,.doc__ico){background:var(--bg2);color:var(--muted)}
html[data-theme] .tbl td:first-child{color:var(--muted)}
html[data-theme] :is(.tbl td b,.spec td:last-child){color:var(--head)}
html[data-theme] .spec td:first-child{color:var(--muted)}
html[data-theme] .filters button{background:var(--card);color:var(--soft);border-color:var(--line2)}
html[data-theme] .filters button:is(.on,:hover){background:var(--blue);color:#fff;border-color:var(--blue)}
html[data-theme] :is(.btn,.mobile-cta .btn,.review-contact .btn,.ftr .btn){background:var(--blue);color:#fff;border-color:var(--blue)}
html[data-theme] .btn:hover{background:#1b5daf;color:#fff;border-color:#1b5daf}
html[data-theme] :is(.btn--ghost,.sec--dark .btn--ghost){background:transparent;color:var(--head);border-color:var(--line2)}
html[data-theme] .btn--ghost:hover{background:var(--bg3);color:var(--head)}
html[data-theme] :is(.fld input,.fld textarea,.fld select,.cta .fld input,.cta .fld textarea){background:var(--bg);color:var(--text);border-color:var(--line2)}
html[data-theme] :is(.agree,.fld span,.drop small,.cta .agree,.cta .fld span,.cta .drop small){color:var(--muted)}
html[data-theme] :is(.drop strong,.cta .drop strong){color:var(--head)}
html[data-theme] :is(.drop .fname,.cta .drop .fname){color:var(--link)}
html[data-theme] :is(.contacts-list a,.contacts-list b,.cta .contacts-list a){color:var(--head)}
html[data-theme] :is(.contacts-list small,.cta .contacts-list small){color:var(--muted)}
html[data-theme] .cta .contacts-list li{border-color:var(--line)}
html[data-theme] .ftr{background:var(--footer);color:var(--muted);border-top:1px solid var(--line)}
html[data-theme] :is(.ftr a,.ftr .demo-note){color:var(--muted)}
html[data-theme] :is(.ftr h4,.ftr .sub,.ftr a:hover){color:var(--head)}
html[data-theme] .ftr__tel{color:var(--head)!important}
html[data-theme] .ftr__bottom{border-color:var(--line)}
html[data-theme] .ftr .btn{color:#fff}
html[data-theme] :is(.mobile-cta,.review-banner){background:var(--bg2);color:var(--soft);border-color:var(--line)}
html[data-theme] :is(.mobile-cta .mobile-call,.review-banner a){color:var(--link);border-color:var(--line2)}
html[data-theme] .sec--dark .object-visual{background:transparent}
@media(max-width:640px){
  html[data-theme="dark"] .hero__bg::after{background:linear-gradient(90deg,rgba(23,28,36,.97),rgba(23,28,36,.82))}
  html[data-theme="light"] .hero__bg::after{background:linear-gradient(90deg,rgba(255,255,255,.97),rgba(255,255,255,.87))}
}

/* Theme the contain letterboxing while preserving the original photographs. */
html[data-theme] img[style*="object-fit:contain"]{background:var(--bg2)!important}

/* Pseudo-elements need their own selector; keep CTA hover contrast in footer. */
html[data-theme] .step::before{color:var(--link)}
html[data-theme] .ftr .btn:hover{color:#fff}

html[data-theme] :is(.fld input,.fld textarea)::placeholder{color:var(--muted);opacity:1}
@media(max-width:1080px){html[data-theme] .hdr .nav{height:auto}}