/* МК79 — общие стили внутренних страниц (основа: вариант Б главной) */
:root{--navy:#042D59;--deep:#031E3C;--navy2:#0B3F78;--orange:#FF3801;--orange2:#FF6A00;--ink:#1B2430;--grey:#5B6572;--muted:#8FA6C2;--line:#E3E8EE;--line-d:#1A4474;--bg:#F4F6F9;--max:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Montserrat,Arial,sans-serif;font-size:16px;line-height:1.6;color:var(--ink);background:#fff}
h1,h2,h3{margin:0 0 .5em;line-height:1.15;color:var(--navy);font-weight:800;letter-spacing:.01em}
h1{font-size:clamp(28px,4.2vw,46px);text-transform:uppercase;font-weight:900}
h2{font-size:clamp(22px,3vw,32px);text-transform:uppercase}
h3{font-size:18px;font-weight:700}
p{margin:0 0 1em}a{color:var(--navy)}img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
section{padding:64px 0;position:relative}
.sec-grey{background:var(--bg)}
.sec-navy{background:var(--navy);color:#E6EDF5}.sec-navy h2,.sec-navy h3{color:#fff}.sec-navy p{color:#C9D6E6}
.lead{font-size:18px;color:var(--grey);max-width:760px}
.eyebrow{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.16em;color:var(--orange);margin-bottom:12px;display:block}
.btn{display:inline-block;font-weight:700;font-size:15px;padding:15px 28px;border-radius:3px;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:.15s;text-align:center}
.btn-o{background:var(--orange);color:#fff;border-color:var(--orange)}.btn-o:hover{background:#E63200;border-color:#E63200}
.btn-w{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}.btn-w:hover{background:#fff;color:var(--navy)}
.btn-n{background:transparent;color:var(--navy);border-color:var(--navy)}.btn-n:hover{background:var(--navy);color:#fff}
.grid{display:grid;gap:22px}.g2{grid-template-columns:1fr 1fr}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:960px){.g3,.g4{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.g2,.g3,.g4{grid-template-columns:1fr}section{padding:44px 0}}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-head p{margin:0;max-width:560px;color:var(--grey)}.sec-navy .sec-head p{color:var(--muted)}

/* header */
.topbar{background:var(--deep);color:#C9D6E6;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding:7px 24px;flex-wrap:wrap}
.topbar a{color:#fff;text-decoration:none}
header.site{position:sticky;top:0;z-index:50;background:var(--navy);color:#fff;box-shadow:0 2px 10px rgba(0,0,0,.15)}
header.site .wrap{display:flex;align-items:center;gap:24px;height:80px}
.tlogo{font-weight:900;font-size:32px;color:#fff;line-height:1;letter-spacing:-.02em;text-decoration:none}
.tlogo i{font-style:normal;color:var(--orange2)}
.tlogo small{display:block;font-size:9.5px;font-weight:600;letter-spacing:.1em;color:#C9D6E6;margin-top:5px;text-transform:uppercase}
nav.main{margin-left:auto;display:flex;gap:22px}
nav.main a{font-weight:600;font-size:13px;text-decoration:none;color:#fff;text-transform:uppercase;letter-spacing:.06em;white-space:nowrap}
nav.main a:hover,nav.main a.active{color:var(--orange2)}
.hdr-phone{font-weight:800;font-size:18px;color:#fff;text-decoration:none;white-space:nowrap}
.hdr-phones{display:flex;flex-direction:column;gap:2px;line-height:1.15}.hdr-phones .hdr-phone{font-size:16px}
.burger{display:none;margin-left:auto;background:none;border:0;font-size:28px;cursor:pointer;color:#fff}
@media(max-width:1100px){nav.main{display:none}.burger{display:block}.hdr-cta{display:none}}

/* page hero */
.phero{background:linear-gradient(100deg,var(--deep),var(--navy) 60%,var(--navy2));color:#fff;padding:48px 0 44px;position:relative;overflow:hidden}
.phero:after{content:"";position:absolute;right:-80px;top:-60px;width:460px;height:170%;background:linear-gradient(-55deg,transparent 44%,rgba(255,56,1,.9) 44% 52%,transparent 52% 58%,rgba(255,255,255,.08) 58%);pointer-events:none}
.phero .wrap{position:relative;z-index:1}
.phero h1{color:#fff;max-width:900px}.phero h1 em{font-style:normal;color:var(--orange2)}
.phero .lead{color:#C9D6E6;max-width:760px}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:18px}.crumbs a{color:#C9D6E6;text-decoration:none}.crumbs span{margin:0 8px}
.phero .btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}

/* facts strip */
.facts{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff}
.facts div{padding:20px 22px;border-right:1px solid var(--line)}.facts div:last-child{border-right:0}
.facts strong{display:block;font-size:34px;font-weight:900;color:var(--navy);line-height:1}
.facts strong i{font-style:normal;color:var(--orange);font-size:20px}
.facts span{font-size:12px;color:var(--grey);text-transform:uppercase;letter-spacing:.08em;display:block;margin-top:8px}
@media(max-width:860px){.facts{grid-template-columns:1fr 1fr}.facts div:nth-child(2){border-right:0}.facts div{border-bottom:1px solid var(--line)}}
.facts-wrap{margin-top:-30px;position:relative;z-index:2}

/* content */
.prose{max-width:820px}.prose h2{margin-top:36px}.prose ul{padding-left:20px}.prose li{margin-bottom:8px}
.two{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:start}
@media(max-width:900px){.two{grid-template-columns:1fr}}
.aside{background:var(--bg);border:1px solid var(--line);padding:24px;position:sticky;top:96px}
.aside h3{margin-top:0}.aside ul{padding-left:18px;margin:0;font-size:14.5px}.aside li{margin-bottom:8px}
table.spec{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);font-size:15px}
table.spec th,table.spec td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
table.spec th{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--grey);background:var(--bg)}
table.spec td:first-child{font-weight:700;color:var(--navy)}
.card{background:#fff;border:1px solid var(--line);padding:26px;display:flex;flex-direction:column;position:relative;overflow:hidden;transition:.15s}
.card:before{content:"";position:absolute;left:0;top:0;width:4px;height:0;background:var(--orange);transition:.25s}
.card:hover:before{height:100%}.card:hover{box-shadow:0 12px 28px rgba(4,45,89,.08)}
.card .n{font-size:36px;font-weight:900;color:rgba(4,45,89,.08);line-height:1;margin-bottom:8px}
.card p{color:var(--grey);font-size:14.5px;flex:1}
.card a.more{font-weight:700;font-size:12.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--orange);text-decoration:none}
.card.dark{background:rgba(255,255,255,.04);border-color:var(--line-d)}.card.dark h3{color:#fff}.card.dark p{color:var(--muted)}
.step .n{font-size:56px;font-weight:900;color:var(--orange);line-height:1;margin-bottom:8px}
.step p{margin:0;font-size:14px;color:var(--grey)}.sec-navy .step p{color:var(--muted)}
.chk{list-style:none;padding:0;margin:0 0 16px;display:grid;gap:8px}
.chk li{padding-left:28px;position:relative}
.chk li:before{content:"";position:absolute;left:0;top:8px;width:15px;height:8px;border-left:3px solid var(--orange);border-bottom:3px solid var(--orange);transform:rotate(-45deg)}

/* project cards */
.proj{position:relative;overflow:hidden;min-height:320px;display:flex;align-items:flex-end;color:#fff;text-decoration:none;background:var(--navy)}
.proj img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.75;transition:.4s}
.proj:hover img{opacity:.95;transform:scale(1.04)}
.proj .t{position:relative;padding:22px;background:linear-gradient(0deg,rgba(3,30,60,.96),rgba(3,30,60,.6) 60%,transparent);width:100%}
.proj .tag{position:absolute;top:16px;left:16px;background:var(--orange);color:#fff;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;padding:5px 10px;z-index:2}
.proj h3{color:#fff;margin-bottom:6px}.proj p{margin:0;font-size:13.5px;color:#C9D6E6}
.proj .ph{position:absolute;inset:16px;display:grid;place-items:center;color:var(--muted);font-size:13px;border:1px dashed #40618A}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.gallery img,.gallery div{aspect-ratio:4/3;object-fit:cover;width:100%;background:var(--bg);border:1px solid var(--line);display:grid;place-items:center;color:var(--grey);font-size:13px}
@media(max-width:620px){.gallery{grid-template-columns:1fr 1fr}}

/* FAQ */
details{border:1px solid var(--line);background:#fff;padding:0 20px;margin-bottom:10px}
summary{cursor:pointer;font-weight:700;padding:16px 0;color:var(--navy);list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";color:var(--orange);font-weight:900;font-size:20px;line-height:1}details[open] summary:after{content:"–"}
details p{color:var(--grey);font-size:15px;padding-bottom:16px}

/* CTA */
.cta{background:var(--orange);color:#fff;overflow:hidden}
.cta:after{content:"";position:absolute;right:-80px;top:-60px;width:520px;height:160%;background:linear-gradient(-55deg,transparent 42%,rgba(4,45,89,1) 42% 54%,transparent 54% 60%,rgba(255,255,255,.18) 60%);pointer-events:none}
.cta .wrap{position:relative;z-index:1}
.cta h2{color:#fff}.cta p{color:#FFE4DA;max-width:620px}
form.lead{display:grid;grid-template-columns:1fr 1fr 1.3fr auto;gap:12px;max-width:980px}
form.lead input{padding:16px;border:0;border-radius:3px;font:inherit;font-size:15px}
form.lead .btn{height:56px;background:var(--navy);color:#fff;border-color:var(--navy)}
form.lead .agree{grid-column:1/-1;font-size:12.5px;color:#FFE4DA}
@media(max-width:900px){form.lead{grid-template-columns:1fr}}

/* contacts */
.cbox dt{font-size:11.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--grey);margin-top:16px}
.cbox dd{margin:2px 0 0;font-size:16px}.cbox dd a{font-weight:800;color:var(--navy);text-decoration:none;font-size:22px}
.map{min-height:380px;overflow:hidden;padding:0;border:1px solid var(--line);background:linear-gradient(#EDF0F4 1px,transparent 1px) 0 0/40px 40px,linear-gradient(90deg,#EDF0F4 1px,transparent 1px) 0 0/40px 40px,#F8FAFC;display:grid;place-items:center;color:var(--grey);font-size:14px}

/* related */
.related a{display:block;background:#fff;border:1px solid var(--line);padding:16px 18px;text-decoration:none;font-weight:600;color:var(--navy);font-size:14.5px}
.related a:hover{border-color:var(--orange)}

/* footer */
footer{background:#02172E;color:var(--muted);font-size:14px;padding:50px 0 28px}
footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:30px;margin-bottom:34px}
footer a{color:#DCE6F2;text-decoration:none}footer a:hover{color:var(--orange2)}
footer ul{list-style:none;margin:0;padding:0}footer li{margin-bottom:8px}
footer h4{color:#fff;font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;margin:0 0 14px}
footer .bottom{border-top:1px solid var(--line-d);padding-top:18px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px}
@media(max-width:820px){footer .cols{grid-template-columns:1fr 1fr}}@media(max-width:500px){footer .cols{grid-template-columns:1fr}}
.proto{position:relative;z-index:60;background:#FFF1EC;color:#8A2A00;font-size:12.5px;text-align:center;padding:6px}
.proto a{color:#8A2A00}

/* мобильное меню */
@media(max-width:1100px){
  body.nav-open nav.main{display:flex;position:fixed;top:0;left:0;right:0;bottom:0;background:var(--navy);flex-direction:column;gap:0;padding:90px 24px 24px;z-index:49}
  body.nav-open nav.main a{font-size:20px;padding:14px 0;border-bottom:1px solid var(--line-d)}
  body.nav-open .burger{z-index:51}
}

/* выключка по ширине */
p,.lead,.prose li,.card p,.step p,.aside li,details p,.proj .t p,footer p{text-align:justify;hyphens:auto}

@media(max-width:620px){p,.lead,.prose li,.card p,.step p,.aside li,details p,.proj .t p,footer p{text-align:left;hyphens:manual}}

.cgrid{grid-template-columns:1fr 1.6fr}
@media(max-width:760px){.cgrid{grid-template-columns:1fr}}