/* НПО ГЕОКРИОЛОГ · инженерный альбом. Общая система всех страниц. */
:root{--bg:#0A0C10;--bg2:#101720;--bg3:#18232d;--text:#eef3f5;--muted:#b7c4cd;--ice:#5EC8C0;--ice2:#8FE0D9;--warm:#D6A56B;--line:#34414b;--line2:#50616c;--max:1280px;--nav:88px;--paper:#eef2f1;--ink:#14252c;--quiet:#455b64;--ease:cubic-bezier(.22,1,.36,1)}
html{scroll-padding-top:110px;scroll-behavior:auto}
body{--max:1280px;--nav:88px;overflow-x:clip;font-family:Manrope,system-ui,sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
body .wrap,body .nav-inner{width:min(100% - 80px,var(--max));margin-inline:auto}
::selection{background:var(--ice);color:var(--bg)}
input,textarea{caret-color:var(--ice)}
:focus-visible{outline:3px solid var(--ice);outline-offset:5px}
a{text-underline-offset:.22em}
a,button{-webkit-tap-highlight-color:rgba(94,200,192,.25)}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
button:disabled{cursor:wait}
[hidden]{display:none!important}
.skip-link{position:fixed;top:8px;left:16px;z-index:1000;padding:12px 18px;background:var(--ice);color:var(--bg);transform:translateY(-160%)}
.skip-link:focus{transform:none}
body .nav{position:sticky;top:0;height:var(--nav);background:var(--bg);backdrop-filter:none;border:0;z-index:100}
body .nav-inner{gap:28px;max-width:var(--max)}
body .brand{display:flex;flex:none;min-width:0}
body .brand img{width:226px;height:auto;max-height:54px;border:0;border-radius:0;padding:0;background:transparent;object-fit:contain}
body .brand span{display:none}
body .nav-links{display:flex;align-items:center;gap:22px;flex-wrap:nowrap}
body.nav-ready .nav-links{display:flex}
body.nav-ready .menu-btn{display:none}
body .nav-links a{font-size:14px;color:var(--text);min-height:44px;display:flex;align-items:center}
body .nav-links a[aria-current=page]{color:var(--ice2);text-decoration:underline;text-decoration-thickness:2px}
.nav-cta{display:flex;align-items:center;gap:12px;flex:none}
body .nav-cta .btn{font-size:14px;height:44px;padding:0 18px}
body .nav-cta .nav-phone{font-size:14px;font-weight:700;white-space:nowrap}
body .menu-btn{display:none;width:48px;height:48px;border:1px solid var(--line2);border-radius:0;place-content:center;gap:6px;color:var(--text);background:transparent}
.menu-btn span{display:block;width:20px;height:2px;background:currentColor}
body .btn{border-radius:0;min-height:48px;height:auto;padding:12px 22px;font-size:15px;line-height:1.4;font-weight:700;box-shadow:none;white-space:normal}
body .btn-ice{background:var(--ice);color:#082525;border:1px solid var(--ice)}
body .btn-ghost{background:transparent;color:inherit;border:1px solid var(--line2)}
body .btn-warm{background:var(--warm);color:var(--bg)}
body .btn.pulse{animation:none}
body h1,body h2,body h3{text-wrap:balance;font-family:Manrope,system-ui,sans-serif;letter-spacing:-.035em}
body h1{font-size:clamp(36px,4.6vw,66px);line-height:1.09;max-width:24ch}
body h2,body .sec-h{font-size:clamp(28px,3vw,42px);line-height:1.18;font-weight:700;letter-spacing:-.03em;margin:0 0 24px}
body h3{font-size:22px;line-height:1.3;font-weight:700}
body p,body li{font-size:16px;line-height:1.7;color:var(--muted)}
body p{max-width:72ch}
body main{padding-top:0;padding-bottom:96px}
body section{padding:64px 0}
body main>.hero{background:var(--bg2);padding:60px 0 56px}
body .hero .lead{font-size:18px;line-height:1.65;max-width:64ch;color:var(--muted);margin-top:24px}
body .hero-actions{gap:12px;margin-top:28px}
body .crumb{font-size:14px;line-height:1.6;margin-bottom:28px;color:var(--muted)}
body .crumb a{color:var(--ice2)}
body main>.wrap{padding-top:48px}
body .grid-2{grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);gap:56px;margin-top:0}
body .grid-2,body .grid-2>*{min-width:0;max-width:100%;width:100%}
body .kpis,body .kpi,body .ts{min-width:0;max-width:100%}
body .grid-2>.card{top:112px}
body .card,body .proj,body .about-card{border:0;border-radius:0;background:var(--bg2);box-shadow:none;overflow:hidden}
body .card:hover,body .proj:hover{transform:none}
body .card .body,body .card .c{padding:28px}
body .card img,body .post figure img{border:0;border-radius:0}
body .cat-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,290px),1fr));gap:28px}
body .cat-grid .card{border:0;border-radius:0}
body .cat-grid .card img{height:260px;object-fit:cover;width:100%;background:var(--paper)}
body .cat-grid .card .c{padding:26px}
body .cat-grid .card h3{font-size:23px;line-height:1.3}
body .cat-grid .card p{font-size:16px}
body .cat-grid .card .row{display:flex;flex-wrap:wrap;gap:12px}
body .kpis{gap:24px;margin:32px 0}
body .kpi{border:0;border-radius:0;padding:22px;background:var(--bg2)}
body .kpi b{font-size:28px;line-height:1.3}
body .kpi span{font-size:14px;color:var(--muted)}
body .tw{border:0;border-radius:0;margin:28px 0;background:var(--bg2)}
body table{font-size:15px;font-variant-numeric:tabular-nums}
body th,body td,body .tw th,body .tw td{padding:14px 16px;font-size:15px;border-color:var(--line);line-height:1.6}
body th{background:var(--bg3)}
body td{color:var(--text)}
body .faq details{border:0;border-radius:0;padding:20px 24px;margin:12px 0;background:var(--bg2)}
body .faq summary{font-size:17px;line-height:1.5;min-height:32px}
body .faq details p{margin-top:18px}
body .links{gap:12px}
body .links a{border-radius:0;font-size:14px;padding:10px 14px;color:var(--text)}
body .pilot{border:0;border-radius:0;background:var(--bg2);padding:24px;max-width:none}
body .pilot-badge{border-radius:0;font-family:Manrope,sans-serif;letter-spacing:0;text-transform:none;font-size:14px}
body .post{max-width:780px;padding-top:0}
body .post h2{font-size:clamp(26px,2.5vw,36px);line-height:1.25;margin:56px 0 22px}
body .post h3{margin:32px 0 16px;font-size:22px}
body .post p,body .post li{font-size:18px;line-height:1.85;color:#d3dde2}
body .post figure{margin:32px 0}
body .post figcaption{font-size:14px;text-align:left;line-height:1.6;color:var(--muted)}
body .post li{margin:6px 0}
body .post ol,body .post ul{margin-left:0;padding-left:1.3em}
body .cta{border:0;border-radius:0;background:var(--bg2);padding:40px;margin-top:64px;color:var(--text)}
body .cta h2{font-size:32px}
body .lf,body .form{display:grid;gap:18px;max-width:680px;margin-top:24px}
body .form-row,body .lf-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
body .lf label,body .field label{display:block;font-size:14px;color:var(--text);letter-spacing:0;margin-bottom:8px}
body .lf input:not([type=checkbox]),body .lf select,body .lf textarea,body .form input:not([type=checkbox]):not([type=hidden]),body .form select,body .form textarea{width:100%;min-width:0;height:52px;border:1px solid var(--line2);border-radius:0;background:var(--bg);color:var(--text);padding:12px 14px;font-size:16px;box-shadow:none}
body .lf textarea,body .form textarea{height:120px;resize:vertical}
body .lf ::placeholder,body .form ::placeholder{color:#a6b4bd;opacity:1}
body .lf input:focus-visible,body .lf select:focus-visible,body .lf textarea:focus-visible,body .form input:focus-visible,body .form select:focus-visible,body .form textarea:focus-visible{outline:2px solid var(--ice);outline-offset:3px}
body .check,body .lf-check{display:flex;align-items:flex-start;gap:12px;font-size:14px;line-height:1.65;color:var(--muted);letter-spacing:0;cursor:pointer}
body .check input,body .lf-check input{flex:none;accent-color:var(--ice);width:20px;height:20px;margin-top:3px}
body .form-note{font-size:14px;line-height:1.6;color:var(--muted)}
body .form-note a{text-decoration:underline}
body .lf-msg,body .form-msg,body .form-err{font-size:16px;border-radius:0;padding:16px;line-height:1.6}
body .form-msg:empty{display:none}
body .form-err,body .lf-err{background:#3b2025;color:#ffd2d2;border:0}
body .lf-ok{background:#14372b;color:#b9f5cf;border:0}
body footer{border:0;background:var(--bg);padding:56px 0 36px;color:var(--muted);font-size:14px}
body .foot{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:32px}
.footer-brand img{width:280px;height:auto;max-width:100%;margin-bottom:22px}
.footer-links{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.footer-links a{font-size:15px;min-height:28px}
.footer-contact a{display:block;width:fit-content;font-size:21px;margin-bottom:14px}
.footer-meta{margin-top:40px;display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;font-size:13px}
.footer-meta p{font-size:13px}
.footer-legal{margin-top:28px;display:grid;gap:16px;max-width:90ch;color:var(--muted);font-size:13px;line-height:1.75}
.footer-legal .legal{margin:0;font-size:13px;line-height:1.75;color:var(--muted)}
/* Главная: фактура работ ведёт от задачи к инженерным сведениям. */
body.home main{padding:0}
.home .intro{background:var(--bg);padding:36px 0 40px}
.anchor-alias{display:block;height:0;overflow:hidden;scroll-margin-top:110px}
.intro-title{display:flex;align-items:center;gap:32px;justify-content:space-between}
body.home .intro h1{font-size:clamp(48px,6.25vw,90px);max-width:15ch;line-height:1.03;margin:0;font-weight:700}
.intro-mark{width:90px;height:90px;flex:none}
.intro-grid{display:grid;grid-template-columns:1fr 1.12fr;gap:64px;align-items:center;margin-top:32px}
body .intro-copy p{font-size:19px;line-height:1.75;color:#d2dee4;max-width:44ch}
.intro-copy .hero-actions{margin-top:28px;align-items:center}
.plain-link{display:inline-flex;align-items:center;gap:14px;min-height:48px;font-size:15px;font-weight:600;text-decoration:underline}
.arrow{width:20px;height:20px;flex:none;display:inline-block}
.intro-photo{margin:0;min-width:0}
.intro-photo img{width:100%;height:300px;object-fit:cover;object-position:center 50%}
.intro-photo figcaption{font-size:13px;color:var(--muted);margin-top:12px}
.intro-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:36px}
.intro-nav a{display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:15px;min-height:52px;color:var(--text)}
.paper{--text:var(--ink);--muted:var(--quiet);--line:#b7c7cb;--line2:#8ca5ab;background:var(--paper);color:var(--ink)}
.paper p,.paper li{color:var(--quiet)}
.section-intro{display:grid;grid-template-columns:1fr 1fr;gap:64px;margin-bottom:48px;align-items:start}
.section-intro h2{max-width:18ch}
.section-intro p{font-size:18px;line-height:1.75}
body .home-section{padding:96px 0}
.directions{display:grid;gap:44px}
.direction-row{display:grid;grid-template-columns:240px 1fr 1fr;gap:36px;align-items:start}
.direction-row figure{margin:0;overflow:hidden;background:#dce5e5}
.direction-row img{width:100%;height:186px;object-fit:cover}
.direction-row .diagram img{object-fit:contain}
.direction-row h3{font-size:27px;margin:0;max-width:20ch}
.direction-row .direction-detail p{font-size:16px;margin:0 0 12px;color:var(--quiet)}
.direction-row a{font-size:15px;font-weight:700;min-height:44px;display:inline-flex;align-items:center;gap:14px;color:var(--ink);text-decoration:underline}
.direction-row figure figcaption{font-size:13px;color:var(--quiet);padding:8px 0 0}
.technology-layout{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.technology-photo img{width:100%;height:450px;object-fit:cover}
.technology-photo figcaption{color:var(--muted);font-size:14px;margin-top:14px}
.technology-copy p{margin-bottom:24px}
.process-list{list-style:none;padding:0;margin:32px 0;display:grid;gap:24px;counter-reset:step}
.process-list li{display:grid;grid-template-columns:32px 1fr;gap:16px;counter-increment:step;margin:0}
.process-list li::before{content:counter(step);font-family:Manrope,sans-serif;color:var(--ice2);font-size:18px}
.process-list b{color:var(--text);display:block;font-size:18px;margin-bottom:4px}
.process-list p{font-size:15px;margin:0}
.process-video{margin-top:48px;max-width:900px;margin-inline:auto}
.process-video video{width:100%;max-height:500px;background:var(--bg2);display:block}
.process-video figcaption{font-size:14px;margin-top:14px;color:var(--muted)}
.equipment-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:28px}
.equipment-item{min-width:0}
.equipment-item>a{display:block}
.equipment-item img{width:100%;height:300px;object-fit:cover;background:#dbe4e4}
.equipment-item:first-child img{object-position:40% 40%}
.equipment-item h3{margin:24px 0 12px;font-size:25px}
.equipment-item p{font-size:16px;margin-bottom:14px}
.equipment-item .media-caption{font-size:13px;line-height:1.5;margin:10px 0 0;color:var(--quiet)}
.equipment-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:20px}
.equipment-actions .btn{padding:12px 16px}
.equipment-actions a:not(.btn){font-size:15px;font-weight:600;text-decoration:underline;min-height:44px;display:flex;align-items:center}
.paper .btn-ghost{border-color:#79949c}
.equipment-links{display:flex;gap:28px;flex-wrap:wrap;margin-top:44px}
.equipment-links a{font-size:16px;text-decoration:underline;min-height:44px;display:flex;align-items:center}
.case-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center}
.case-layout img{width:100%;height:480px;object-fit:cover}
.case-layout p{margin-bottom:22px;font-size:18px}
.case-result{font-size:36px;line-height:1.2;color:var(--ice2);margin:28px 0 16px;font-weight:700;letter-spacing:-.03em}
.case-result small{font-size:17px;line-height:1.5;display:block;color:var(--muted);font-weight:400;letter-spacing:0;margin-top:10px}
.case-caption{font-size:14px;margin-top:12px;color:var(--muted)}
.expert-layout{display:grid;grid-template-columns:260px 1fr 1fr;gap:48px;align-items:start}
.expert-layout img{width:100%;height:300px;object-fit:cover;object-position:50% 30%}
.expert-layout h3{font-size:28px;margin:0 0 20px}
.expert-layout p{margin-bottom:20px;font-size:17px}
.article-links{display:grid;gap:18px;margin-top:24px}
.article-links a{font-size:17px;text-decoration:underline;line-height:1.6}
body.home #cta{padding:96px 0;margin:0;background:var(--bg2)}
.contact-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:start}
.contact-layout .contact-copy{position:sticky;top:120px}
.contact-copy p{font-size:18px;margin-bottom:32px}
.contact-direct{display:flex;flex-direction:column;gap:12px;margin:28px 0}
.contact-direct a{font-size:24px;width:fit-content;text-decoration:underline}
.home .contact-layout form{margin-top:0;max-width:none}
.home .contact-copy .legal{font-size:14px;line-height:1.7;max-width:40ch}
/* Старые появления не задерживают доступ к тексту или форме. */
body .reveal,body .reveal-stagger,.js-anim body .reveal,body .js-anim .reveal,body .reveal.on{opacity:1;transform:none;animation:none;transition:none}
@media(max-width:1200px){
 body .nav-inner{gap:18px}body .brand img{width:196px}body .nav-links{gap:16px}body .nav-phone{display:none}body .nav-links a{font-size:13px}
 .direction-row{grid-template-columns:200px 1fr 1fr;gap:24px}.intro-grid{gap:40px}.expert-layout{gap:28px;grid-template-columns:220px 1fr 1fr}
}
@media(max-width:1000px){
 body{--nav:76px}body .wrap,body .nav-inner{width:calc(100% - 48px)}body .nav-cta .nav-phone{display:none}
 body .menu-btn,body.nav-ready .menu-btn{display:grid}body .nav-links,body.nav-ready .nav-links{display:none}
 body .nav-links.open,body.nav-ready .nav-links.open{display:flex;position:absolute;top:var(--nav);left:0;right:0;flex-direction:column;align-items:stretch;padding:18px 24px 28px;gap:0;background:var(--bg2);max-height:calc(100dvh - var(--nav));overflow-y:auto;border:0}
 body .nav-links a,body.nav-ready .nav-links.open a{font-size:18px;padding:10px 0;min-height:48px}
 body .grid-2{grid-template-columns:minmax(0,1fr) minmax(240px,.6fr);gap:32px}.intro-grid{gap:32px;grid-template-columns:1fr 1fr}.intro-photo img{height:330px}
 body.home .intro h1{font-size:70px}.intro-mark{width:70px;height:70px}.intro-nav{gap:16px}.intro-nav a{font-size:13px}
 .direction-row{grid-template-columns:180px 1fr;gap:20px 28px}.direction-detail{grid-column:2}.direction-row figure{grid-row:span 2}.direction-row h3{font-size:25px;max-width:none}.direction-row img{height:210px}
 .technology-layout,.case-layout{gap:36px}.equipment-grid{grid-template-columns:1fr 1fr}.equipment-item:last-child{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:0 28px}.equipment-item:last-child>a{grid-row:span 3}.equipment-item:last-child h3{margin-top:0}
 .expert-layout{grid-template-columns:220px 1fr}.expert-reading{grid-column:1/-1}.contact-layout{gap:40px;grid-template-columns:.8fr 1.2fr}body .form-row{grid-template-columns:1fr}.contact-direct a{font-size:20px}
 body .foot{grid-template-columns:1fr 1fr}.footer-contact{grid-column:1/-1;display:flex;gap:28px;flex-wrap:wrap}
}
@media(max-width:700px){
 body{--nav:72px}html{scroll-padding-top:90px}body .wrap,body .nav-inner{width:calc(100% - 40px)}body .brand img{width:170px}body .nav-inner{gap:12px}body .nav-cta{gap:10px}body .nav-cta>.btn{display:none}body .menu-btn{width:44px;height:44px}
 body h1{font-size:36px;line-height:1.14}body h2,body .sec-h{font-size:30px}body h3{font-size:22px}body main>.hero{padding:32px 0 36px}body .crumb{font-size:13px;margin-bottom:22px}
 body .hero .lead{font-size:17px}body .hero-actions{gap:12px}body .hero-actions .btn{min-height:48px}body main>.wrap{padding-top:28px}body .grid-2{display:flex;flex-direction:column;gap:32px}body .grid-2>.card{position:static;max-width:100%;width:100%}
 body section{padding:36px 0}body .post p,body .post li{font-size:17px;line-height:1.8}body .post h2{font-size:27px;margin-top:42px}body .kpis{gap:12px;grid-template-columns:1fr 1fr}body .kpi{padding:18px}body .kpi b{font-size:24px}
 body .cta{padding:28px 20px;margin-top:40px}body .cta h2{font-size:28px}body .lf-row,body .form-row{grid-template-columns:1fr}body .lf,body .form{gap:20px}body .cat-grid .card img{height:260px}body .cat-grid .card .c{padding:24px}body .foot{grid-template-columns:1fr;gap:32px}.footer-contact{grid-column:auto;display:block}.footer-meta{margin-top:32px;gap:18px}
 .home .intro{padding:30px 0 36px}body.home .intro h1{font-size:clamp(32px,9.7vw,40px);max-width:100%;letter-spacing:-.03em}.intro-mark{display:none}.intro-grid{display:flex;flex-direction:column;align-items:stretch;gap:28px;margin-top:26px}body .intro-copy p{font-size:17px;line-height:1.7;max-width:none}.intro-copy .hero-actions{margin-top:24px;gap:16px}.intro-photo img{height:240px}.intro-photo figcaption{font-size:13px;line-height:1.6}.intro-nav{grid-template-columns:1fr 1fr;gap:8px 22px;margin-top:24px}.intro-nav a{font-size:14px;min-height:52px}.intro-nav svg{width:16px}
 body .home-section{padding:56px 0}.section-intro{grid-template-columns:1fr;gap:0;margin-bottom:32px}.section-intro h2{max-width:none;margin-bottom:20px}.section-intro p{font-size:17px}.directions{gap:36px}.direction-row{grid-template-columns:1fr;gap:18px}.direction-row figure{grid-row:auto}.direction-row img{height:205px}.direction-row .diagram img{height:205px}.direction-row h3{font-size:25px;max-width:23ch}.direction-detail{grid-column:auto}.direction-row .direction-detail p{font-size:16px}
 .technology-layout,.case-layout{grid-template-columns:1fr;gap:28px}.technology-photo img{height:320px}.technology-copy h2{margin-bottom:24px}.process-list{gap:24px}.process-video{margin-top:32px}.equipment-grid{grid-template-columns:1fr;gap:36px}.equipment-item img{height:300px}.equipment-item:last-child{display:block;grid-column:auto}.equipment-item:last-child h3{margin-top:24px}.equipment-item h3{font-size:24px}.equipment-links{gap:12px 24px;margin-top:32px}.case-layout img{height:300px}.case-layout h2{font-size:30px}.case-result{font-size:36px}.expert-layout{grid-template-columns:1fr;gap:28px}.expert-layout img{height:330px;max-width:300px}.expert-reading{grid-column:auto}.expert-layout h3{font-size:27px}
 body.home #cta{padding:56px 0}.contact-layout{grid-template-columns:1fr;gap:36px}.contact-layout .contact-copy{position:static}.contact-copy p{font-size:17px;margin-bottom:24px}.contact-direct a{font-size:22px}.home .contact-copy .legal{font-size:13px}.home .form-actions .btn{width:100%}
}
/* Emil: short, interruptible feedback on controls; content never enters late. */
body .btn{transition:background-color 160ms ease,color 160ms ease,transform 120ms var(--ease)}
body .menu-btn span{transition:transform 160ms var(--ease)}
body .menu-btn[aria-expanded=true] span:first-child{transform:translateY(4px) rotate(45deg)}
body .menu-btn[aria-expanded=true] span:last-child{transform:translateY(-4px) rotate(-45deg)}
body .btn:active{transform:scale(.98)}
body .btn:disabled{opacity:.65;transform:none}
body .btn:focus-visible,body .menu-btn:focus-visible span{transition:none}
@media(hover:hover) and (pointer:fine){
 body .btn-ice:hover{background:var(--ice2);border-color:var(--ice2)}
 body .btn-ghost:hover{background:var(--bg3);color:var(--text)}
 .paper .btn-ghost:hover{background:#dce7e5;color:var(--ink)}
 body .nav-links a:hover{color:var(--ice2)}
 .plain-link .arrow,.direction-row a .arrow,.intro-nav .arrow{transition:transform 160ms var(--ease)}
 .plain-link:hover .arrow,.direction-row a:hover .arrow,.intro-nav a:hover .arrow{transform:translateX(4px)}
}
@view-transition{navigation:none}
@media(prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}
 body *,body *::before,body *::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
 body .btn:active,.plain-link:hover .arrow,.direction-row a:hover .arrow,.intro-nav a:hover .arrow{transform:none}
}