/* Salmark — IT-студия. Тёмный графит, один кислотный акцент, тяжёлые прописные заголовки. */
:root{
  --bg:#0c0c0d; --bg2:#141416; --bg3:#1c1c1f; --line:#2a2a2e;
  --tx:#f2f0ea; --mu:#a19e96; --ac:#d4ff3a; --ac-ink:#0c0c0d;
  --paper:#f2f0ea; --paper-mu:#4a4740; --paper-line:#d9d5ca;
  --r:18px; --wrap:1240px; --g:clamp(16px,4vw,40px);
  --fd:'Geologica',system-ui,sans-serif; --fb:'Golos Text',system-ui,sans-serif; --fm:'IBM Plex Mono',ui-monospace,monospace;
  --ease-out:cubic-bezier(.23,1,.32,1); --ease-io:cubic-bezier(.77,0,.175,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--bg);color:var(--tx);font:400 17px/1.6 var(--fb);overflow-x:clip;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
p{text-wrap:pretty}
::selection{background:var(--ac);color:var(--ac-ink)}
:focus-visible{outline:2px solid var(--ac);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--g)}
.d{font-family:var(--fd);font-weight:800;text-transform:uppercase;letter-spacing:-.02em;line-height:1;margin:0;text-wrap:balance}
.ac{color:var(--ac)}
.mono{font-family:var(--fm);font-size:13px;letter-spacing:.04em;text-transform:uppercase;color:var(--mu)}
.muted{color:var(--mu)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ac);color:var(--ac-ink);padding:8px 14px;border-radius:8px;z-index:99}
.skip:focus{left:8px}

/* Кнопки: одно действие — одна подпись «Обсудить проект» */
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--ac);color:var(--ac-ink);font:600 16px/1 var(--fb);padding:17px 24px;border-radius:999px;text-decoration:none;border:0;cursor:pointer;white-space:nowrap;transition:transform .16s var(--ease-out),box-shadow .2s ease,opacity .2s ease}
.btn svg{width:20px;height:20px;flex:none;transition:translate .2s var(--ease-out)}
@media (hover:hover) and (pointer:fine){
  .btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px -10px rgba(212,255,58,.55)}
  .btn:hover svg{translate:3px 0}
  .btn.ghost:hover{box-shadow:inset 0 0 0 1.5px var(--tx)}
}
.btn:active{transform:scale(.97);transition-duration:.08s}
.btn:disabled{opacity:.6;cursor:progress}
.btn.ghost{background:transparent;color:var(--tx);box-shadow:inset 0 0 0 1.5px #4a4a50}

/* Шапка */
.bar{position:fixed;inset:0 0 auto;z-index:50;transition:background-color .25s ease,border-color .25s ease;border-bottom:1px solid transparent}
.bar.solid{background:rgba(12,12,13,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-color:var(--line)}
.menu-open .bar{background:var(--bg);backdrop-filter:none;-webkit-backdrop-filter:none}
.bar .wrap{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font:800 21px/1 var(--fd);letter-spacing:-.01em;text-transform:uppercase}
.logo i{width:30px;height:30px;border-radius:8px;background:var(--ac);display:grid;place-items:center;color:var(--ac-ink);font-style:normal;font-size:19px}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{text-decoration:none;font-size:15px;color:var(--mu);transition:color .2s ease}
.nav a:hover,.nav a[aria-current]{color:var(--tx)}
.bar:not(.solid) .nav a:not(:hover):not([aria-current]){color:rgba(255,255,255,.78)}
.nav-cta{display:none}
.nw{white-space:nowrap}
.bar .btn{padding:12px 18px;font-size:15px}
.burger{display:none;margin-left:auto;background:none;border:0;color:var(--tx);width:44px;height:44px;cursor:pointer}
.burger span{display:block;width:22px;height:2px;background:currentColor;margin:5px auto;transition:transform .2s var(--ease-out)}
.menu-open .burger span:first-child{transform:translateY(3.5px) rotate(45deg)}
.menu-open .burger span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
@media (max-width:900px){
  .nav,.bar .btn{display:none}
  .burger{display:block}
  .menu-open body{overflow:hidden}
  .menu-open .nav{display:flex;position:fixed;inset:72px 0 0;flex-direction:column;gap:0;background:var(--bg);padding:12px var(--g);margin:0;transition:opacity .2s var(--ease-out)}
  .menu-open .nav a{font:800 28px/1 var(--fd);text-transform:uppercase;color:var(--tx);padding:18px 0;border-bottom:1px solid var(--line);transition:opacity .3s var(--ease-out),transform .35s var(--ease-out)}
  .menu-open .nav a:nth-child(2){transition-delay:40ms}.menu-open .nav a:nth-child(3){transition-delay:80ms}
  .menu-open .nav a:nth-child(4){transition-delay:120ms}.menu-open .nav a:nth-child(5){transition-delay:160ms}
  .menu-open .nav a:nth-child(6){transition-delay:200ms}
  .menu-open .nav .nav-cta{display:block;margin-top:24px;padding:18px 24px;border:0;border-radius:999px;background:var(--ac);color:var(--ac-ink);font-size:20px;text-align:center;transition-delay:240ms}
  @starting-style{.menu-open .nav{opacity:0}.menu-open .nav a{opacity:0;transform:translateY(12px)}}
}

/* Герой */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;padding:96px 0 56px;overflow:clip}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:40px;align-items:center;width:100%}
.hero h1{font-size:min(calc((min(100vw,var(--wrap)) - 2*var(--g)) * .6 / 9.6),11svh,92px);text-wrap:nowrap}
.hero h1 .ln{display:block;overflow:hidden;padding-bottom:.04em}
.hero h1 .ln>span{display:inline-block}
.hero .lead{font-size:clamp(17px,1.4vw,19px);max-width:40ch;margin:24px 0 30px;color:#d6d3cb}
.hero .acts{display:flex;gap:12px;flex-wrap:wrap}
.hero .grid-bg{position:absolute;inset:0;z-index:0;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse 70% 60% at 70% 45%,#000 10%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 70% 60% at 70% 45%,#000 10%,transparent 75%);opacity:.5;pointer-events:none}
.stack{position:relative;height:min(68svh,600px);perspective:1400px}
.card{position:absolute;top:50%;left:50%;width:min(52%,230px);aspect-ratio:9/19.5;border-radius:26px;overflow:hidden;box-shadow:0 40px 80px -30px rgba(0,0,0,.9),0 0 0 1px rgba(255,255,255,.08);transition:transform .6s var(--ease-out);will-change:transform;transform:translate(var(--x),var(--y)) rotate(var(--r)) translate3d(var(--px,0),var(--py,0),0)}
.card img{width:100%;height:100%;object-fit:cover}
.card.k{--x:-112%;--y:-46%;--r:-9deg;z-index:1}
.card.z{--x:-50%;--y:-54%;--r:0deg;z-index:3;width:min(56%,250px)}
.card.s{--x:12%;--y:-46%;--r:9deg;z-index:2}
@media (min-width:901px) and (max-width:1366px){.card.s{--x:6%}}
.kanri-frame{background:#155c42;padding:22px 12px 0;display:flex;flex-direction:column;align-items:center}
.kanri-frame b{font:800 15px/1 var(--fd);color:#fff;text-transform:uppercase;letter-spacing:.02em;margin-bottom:12px}
.kanri-frame img{border-radius:16px 16px 0 0;height:auto;flex:1;object-fit:cover;object-position:top}
@media (max-width:900px){
  .hero{min-height:auto;padding-top:104px}
  .hero .wrap{grid-template-columns:minmax(0,1fr)}
  .hero h1{font-size:min(calc((100vw - 2*var(--g)) / 9.4),60px)}
  .stack{height:min(110vw,480px);margin-top:10px}
}
@media (max-width:600px){.hero .acts .btn{flex:1 1 100%;justify-content:center}}

/* Бегущая строка */
.marquee{border-block:1px solid var(--line);overflow:hidden;padding:22px 0;background:var(--bg2)}
.marquee .tr{display:flex;width:max-content;animation:mq 38s linear infinite}
.marquee span{font:800 clamp(26px,3.4vw,46px)/1 var(--fd);text-transform:uppercase;letter-spacing:-.01em;padding-right:44px;display:flex;align-items:center;gap:44px;white-space:nowrap}
.marquee span::after{content:"";width:14px;height:14px;background:var(--ac);border-radius:50%}
.marquee:hover .tr{animation-play-state:paused}
@keyframes mq{to{transform:translateX(-50%)}}

/* Разделы */
section{padding:clamp(56px,7vw,96px) 0}
.h2{font-size:clamp(30px,4.4vw,60px);margin-bottom:clamp(24px,3.4vw,44px);max-width:18ch}
.sub{max-width:56ch;color:var(--mu);font-size:18px;margin:-8px 0 44px}
.h2+.sub{margin-top:0}
.light{background:var(--paper);color:var(--ac-ink)}

/* Услуги — неравная сетка */
.svc{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:16px}
.svc a{position:relative;display:flex;flex-direction:column;justify-content:space-between;gap:40px;min-height:300px;padding:30px;border-radius:var(--r);background:var(--bg2);border:1px solid #3a3a40;text-decoration:none;overflow:hidden;transition:border-color .3s ease,transform .3s var(--ease-out)}
.svc a:nth-child(1){grid-column:span 7}
.svc a:nth-child(2){grid-column:span 5}
.svc a:nth-child(3){grid-column:span 5}
.svc a:nth-child(4){grid-column:span 7}
.svc h3{font:800 clamp(26px,2.8vw,38px)/1 var(--fd);text-transform:uppercase;letter-spacing:-.02em;margin:0 0 14px}
.svc p{margin:0;color:var(--mu);max-width:44ch}
.svc .tags{display:flex;flex-wrap:wrap;gap:8px;padding-right:60px}
.svc .tags b,.chips b{font:500 13px/1 var(--fm);padding:9px 12px;border-radius:999px;border:1px solid var(--line);color:#d6d3cb}
.svc .go{position:absolute;bottom:26px;right:26px;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--bg3);transition:background-color .3s ease,transform .3s var(--ease-out)}
.svc .go svg{width:20px;height:20px}
@media (hover:hover) and (pointer:fine){
  .svc a:hover{border-color:var(--ac);transform:translateY(-4px)}
  .svc a:hover .go{background:var(--ac);color:var(--ac-ink);transform:rotate(-45deg)}
}
.svc a:active{transform:scale(.985);transition-duration:.1s}
@media (max-width:900px){.svc a{grid-column:1/-1!important;min-height:240px}}

/* Проекты — карточки складываются стопкой при прокрутке */
.cases{display:grid;gap:24px}
.case{position:sticky;top:96px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:clamp(24px,4vw,56px);align-items:center;padding:clamp(24px,4vw,52px);border-radius:28px;min-height:min(78svh,640px);overflow:hidden;color:#fff;text-decoration:none}
.case.kanri{background:#155c42}
.case.zq{background:#0d3b40}
.case.rs{background:#1b1714}
.case .mono{color:rgba(255,255,255,.7)}
.case h3{font:800 clamp(40px,5vw,72px)/1 var(--fd);text-transform:uppercase;letter-spacing:-.02em;margin:14px 0 18px}
.case p{max-width:44ch;color:rgba(255,255,255,.82);margin:0 0 24px}
.case ul{list-style:none;padding:0;margin:0 0 28px;display:grid;gap:8px}
.case li{padding-left:22px;position:relative}
.case li::before{content:"";position:absolute;left:0;top:.62em;width:10px;height:2px;background:var(--ac)}
.case .more{display:inline-flex;align-items:center;gap:10px;font-weight:600;border-bottom:1.5px solid rgba(255,255,255,.4);padding-bottom:4px;text-decoration:none;transition:border-color .2s ease,color .2s ease}
.case .more svg{width:20px;height:20px;flex:none}
.case:hover .more{border-color:var(--ac);color:var(--ac)}
.case .pics{display:flex;gap:16px;justify-content:center;align-items:flex-end}
.case .pics img{width:min(46%,250px);border-radius:22px;box-shadow:0 30px 60px -25px rgba(0,0,0,.8)}
.case .pics img:nth-child(2){transform:translateY(-34px)}
.case .pics.mix{display:block;position:relative}
.case .pics.mix img.wide{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:left top;height:auto;border-radius:14px;transform:none;margin:0}
.case .pics.mix img:last-child{position:absolute;right:-3%;bottom:-6%;width:36%;margin:0;transform:none}
@media (min-width:901px){
  .case{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}
  .case.zq>div:first-child{order:2}
}
@media (max-width:900px){
  .case{position:relative;top:auto;grid-template-columns:minmax(0,1fr);min-height:0}
  .case .pics{order:-1;margin-bottom:12px}
  .case .pics.mix{margin-bottom:28px}
}

/* Шаги — светлый раздел для передышки в ритме */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;counter-reset:s;border-top:1px solid var(--paper-line);padding:0;margin:0}
.steps li{list-style:none;padding:28px 22px 10px 0;border-right:1px solid var(--paper-line);margin-right:22px;counter-increment:s}
.steps li:last-child{border:0;margin:0}
.steps li::before{content:counter(s);display:block;font:800 64px/1 var(--fd);color:var(--ac-ink);margin-bottom:20px}
.steps h3{font:600 20px/1.25 var(--fb);margin:0 0 8px}
.steps p{margin:0;color:var(--paper-mu);font-size:15.5px}
@media (max-width:1000px){.steps{grid-template-columns:minmax(0,1fr)}.steps li{border-right:0;margin:0;border-bottom:1px solid var(--paper-line);padding:24px 0;display:grid;grid-template-columns:70px minmax(0,1fr);column-gap:16px}.steps li::before{grid-row:span 2;font-size:44px;margin:0}}

/* Технологии */
.tech{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:48px;align-items:start}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips b{font-size:14px;padding:12px 16px}
.tech .group{margin-bottom:26px}
.tech .group .mono{display:block;margin-bottom:12px}
@media (max-width:900px){.tech{grid-template-columns:minmax(0,1fr)}}

/* Принципы */
.rules{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.rules div{background:var(--bg);padding:clamp(24px,3vw,40px)}
.rules h3{font:800 24px/1.05 var(--fd);text-transform:uppercase;margin:0 0 12px;letter-spacing:-.01em}
.rules p{margin:0;color:var(--mu)}
@media (max-width:760px){.rules{grid-template-columns:minmax(0,1fr)}}

/* Вопросы */
.faq{max-width:900px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;padding:26px 0;font:600 clamp(18px,1.8vw,22px)/1.3 var(--fb)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:400 30px/1 var(--fb);color:var(--ac);transition:transform .25s var(--ease-out);flex:none}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:-8px 0 26px;color:#cfccc4;max-width:70ch}
.faq details[open]>p{animation:faq-in .3s var(--ease-out)}
@keyframes faq-in{from{opacity:0;transform:translateY(-6px)}}
@supports selector(::details-content){
  .faq{interpolate-size:allow-keywords}
  .faq details::details-content{block-size:0;overflow:clip;transition:block-size .3s var(--ease-out),content-visibility .3s allow-discrete}
  .faq details[open]::details-content{block-size:auto}
}

/* Страницы услуг и проектов */
.page-hero{padding:150px 0 70px;border-bottom:1px solid var(--line)}
.page-hero.kanri{background:#155c42;border:0}
.page-hero.zq{background:#0d3b40;border:0}
.page-hero.rs{background:#1b1714;border:0}
.page-hero.kanri .mono,.page-hero.zq .mono,.page-hero.rs .mono,.page-hero.kanri .facts span,.page-hero.zq .facts span,.page-hero.rs .facts span{color:rgba(255,255,255,.72)}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 28px;padding:0;list-style:none}
.crumbs li+li::before{content:"/";margin-right:8px;opacity:.4}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--tx)}
.page-hero h1{font-size:clamp(32px,8.6vw,92px);max-width:15ch;hyphens:manual;-webkit-hyphens:manual;overflow-wrap:break-word}
.page-hero .lead{font-size:clamp(18px,1.6vw,21px);color:#d6d3cb;max-width:52ch;margin:28px 0 34px}
.ph-art .shot{max-width:300px}
.ph-art .phones img{width:min(48%,230px)}
@media (min-width:901px){
  .ph-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:48px;align-items:center}
  .page-hero{padding:120px 0 56px}
  .page-hero h1{font-size:clamp(32px,min(5.6vw,8.5svh),80px)}
  .ph-art .shot{max-height:min(64svh,600px);width:auto}
  .ph-art .phones img{max-height:min(60svh,520px);width:auto}
}
@media (max-width:900px){.ph-art{display:none}}
.what{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.what div{padding:30px;border-radius:var(--r);background:var(--bg2);border:1px solid var(--line)}
.what div:first-child{grid-column:1/-1;border:1.5px solid var(--ac)}
.what h3{font:800 clamp(22px,2.2vw,28px)/1.05 var(--fd);text-transform:uppercase;margin:0 0 12px;letter-spacing:-.01em}
.what p{margin:0;color:var(--mu)}
@media (max-width:760px){.what{grid-template-columns:minmax(0,1fr)}}
.prose{max-width:72ch}
.prose p{margin:0 0 18px}
.prose h2{font:800 clamp(22px,3.4vw,44px)/1.02 var(--fd);overflow-wrap:break-word;text-transform:uppercase;letter-spacing:-.02em;margin:56px 0 22px;text-wrap:balance}
.prose h2:first-child{margin-top:0}
.prose ul{padding-left:0;list-style:none;display:grid;gap:10px;margin:0 0 22px}
.prose li{padding-left:24px;position:relative}
.prose li::before{content:"";position:absolute;left:0;top:.7em;width:12px;height:2px;background:var(--ac)}
.prose a{color:var(--ac)}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.8fr);gap:56px;align-items:start}
.split .side{position:sticky;top:110px}
@media (max-width:900px){.split{grid-template-columns:minmax(0,1fr)}.split .side{position:static;order:-1}}
.shot{border-radius:22px;box-shadow:0 30px 60px -25px rgba(0,0,0,.9);margin:0 auto}
.phones{display:flex;gap:14px;justify-content:center}
.phones img{width:min(48%,260px);border-radius:22px}
.phones img:nth-child(2){margin-top:40px}
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:0 0 20px}
.facts div{border-top:2px solid var(--ac);padding-top:16px}
.facts b{display:block;font:800 22px/1.1 var(--fd);text-transform:uppercase;margin-bottom:6px}
.facts span{color:var(--mu);font-size:15px}
@media (max-width:700px){.facts{grid-template-columns:minmax(0,1fr)}}
.next{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.next a{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:88px;padding:22px;border-radius:14px;border:1px solid var(--line);text-decoration:none;font:800 18px/1.1 var(--fd);text-transform:uppercase;transition:border-color .2s ease,color .2s ease}
.next a svg{width:20px;height:20px;flex:none}
.next a:hover{border-color:var(--ac);color:var(--ac)}
@media (max-width:900px){.next{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.next a{font-size:15px;padding:18px 16px;overflow-wrap:break-word}}
@media (max-width:420px){.next{grid-template-columns:minmax(0,1fr)}.next a{min-height:0}}

/* Заявка */
.contact{background:var(--ac);color:var(--ac-ink)}
.contact .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,6vw,90px);align-items:start}
.contact .h2{max-width:11ch;margin-bottom:22px}
.contact p{color:#2b2d20;max-width:40ch}
.contact form{display:grid;gap:14px}
.contact label{display:grid;gap:6px;font:500 13px/1 var(--fm);text-transform:uppercase;letter-spacing:.04em}
.contact label small{font-size:12px;text-transform:none;letter-spacing:0;opacity:.7}
.contact input,.contact textarea,.contact select{font:400 17px/1.4 var(--fb);color:var(--ac-ink);background:#fbffe6;border:1.5px solid rgba(12,12,13,.5);border-radius:12px;padding:14px 16px;width:100%;transition:border-color .15s ease,background-color .15s ease}
.contact input:focus,.contact textarea:focus,.contact select:focus{outline:none;border-color:var(--ac-ink);background:#fff}
.contact textarea{min-height:130px;resize:vertical}
.contact ::placeholder{color:#5c5f4a;opacity:1}
.contact :focus-visible{outline-color:var(--ac-ink)}
.contact .chk{display:flex;flex-wrap:wrap;gap:8px;border:0;padding:0;margin:0}
.contact .chk legend{font:500 13px/1 var(--fm);text-transform:uppercase;letter-spacing:.04em;margin-bottom:10px}
.contact .chk label{display:block;font:500 15px/1 var(--fb);text-transform:none;letter-spacing:0}
.contact .chk input{position:absolute;opacity:0;width:1px;height:1px}
.contact .chk label>span{display:inline-block;padding:13px 16px;border-radius:999px;border:1.5px solid rgba(12,12,13,.5);cursor:pointer;transition:background-color .2s ease,color .2s ease,transform .12s var(--ease-out)}
.contact .chk label:active>span{transform:scale(.96)}
.contact .chk input:checked+span{background:var(--ac-ink);color:var(--ac);border-color:var(--ac-ink)}
.contact .chk input:focus-visible+span{outline:2px solid var(--ac-ink);outline-offset:2px}
.contact .btn{background:var(--ac-ink);color:var(--ac);justify-self:start}
.contact .note{font-size:13px;margin:0}
.contact .note a{color:inherit}
.status{margin:0;font-weight:600}
.status:empty{display:none}
.status:not(:empty){animation:faq-in .25s var(--ease-out)}
.hp{position:absolute;left:-9999px}
@media (max-width:900px){.contact .wrap{grid-template-columns:minmax(0,1fr)}}
@media (max-width:600px){.contact .btn{justify-self:stretch;justify-content:center}}

/* Подвал */
footer{padding:60px 0 0;border-top:1px solid var(--line);overflow:hidden}
footer .cols{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(4,minmax(0,1fr));gap:32px;font-size:15px}
footer h4{font:500 13px/1 var(--fm);text-transform:uppercase;letter-spacing:.04em;color:var(--mu);margin:0 0 16px}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:0}
footer a{text-decoration:none;color:#d6d3cb;display:inline-block;padding:9px 0}
@media (max-width:900px){footer a{padding:12px 0}}
footer a:hover{color:var(--ac)}
footer .legal{color:var(--mu);font-size:14px;margin-top:14px}
footer .word{font:800 calc((min(100vw,var(--wrap)) - 2*var(--g)) / 4.9)/.8 var(--fd);text-transform:uppercase;letter-spacing:-.04em;color:var(--bg3);margin:50px 0 -.12em;white-space:nowrap;user-select:none}
@media (max-width:800px){footer .cols{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}footer .cols>div:first-child{grid-column:1/-1}}

/* Плавающая кнопка на телефоне — в зоне большого пальца */
.fab{display:none}
@media (max-width:900px){.fab{display:inline-flex;position:fixed;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));z-index:40;box-shadow:0 12px 30px -10px rgba(0,0,0,.8);transition:transform .3s var(--ease-out),opacity .2s ease}.fab.hide{transform:translateY(120%);opacity:0;transition-duration:.2s,.15s}}

/* Появление при прокрутке: класс js ставит скрипт в <head>; без JS всё видно сразу */
.js .rv{opacity:0;transform:translateY(24px);transition:opacity .5s var(--ease-out) var(--d,0ms),transform .7s var(--ease-out) var(--d,0ms)}
.js .rv.in{opacity:1;transform:none}
@media print{.js .rv{opacity:1;transform:none}}

/* Первый экран: CSS-анимация с первой отрисовки, без ожидания JS */
.js .hero h1 .ln>span{animation:ln-up .8s var(--ease-out) backwards}
.js .hero h1 .ln:nth-child(2)>span{animation-delay:.06s}
.js .hero h1 .ln:nth-child(3)>span{animation-delay:.12s}
.js .hero h1 .ln:nth-child(4)>span{animation-delay:.18s}
@keyframes ln-up{from{transform:translateY(105%)}}
@media (min-width:901px){ /* на телефоне карточки не анимируем: картинка там самая тяжёлая на экране */
  .js .hero .card{animation:deal .9s var(--ease-out) backwards,fade-in .3s linear backwards}
  .js .hero .card.z{animation-delay:.15s,.15s}
  .js .hero .card.k{animation-delay:.22s,.22s}
  .js .hero .card.s{animation-delay:.29s,.29s}
}
@keyframes deal{from{transform:translate(-50%,-46%) rotate(0deg) scale(.94)}}
@keyframes fade-in{from{opacity:0}}

/* Главный «вау»: проекты уходят вглубь, когда сверху наезжает следующий */
@supports (animation-timeline:view()){
@media (min-width:901px) and (prefers-reduced-motion:no-preference){
  .cases{timeline-scope:--c2,--c3}
  .cases>.case:nth-child(2){view-timeline:--c2 block}
  .cases>.case:nth-child(3){view-timeline:--c3 block}
  .case{transform-origin:50% 0}
  .case::after{content:"";position:absolute;inset:0;border-radius:inherit;background:#000;opacity:0;pointer-events:none}
  .cases>.case:nth-child(1),.cases>.case:nth-child(1)::after{animation-timeline:--c2}
  .cases>.case:nth-child(2),.cases>.case:nth-child(2)::after{animation-timeline:--c3}
  .cases>.case:not(:last-child){animation-name:case-sink;animation-timing-function:linear;animation-fill-mode:both;animation-range:entry 0% contain 0%}
  .cases>.case:not(:last-child)::after{animation-name:case-dim;animation-timing-function:linear;animation-fill-mode:both;animation-range:entry 0% contain 0%}
}}
@keyframes case-sink{to{scale:.92}}
@keyframes case-dim{to{opacity:.55}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .marquee .tr{animation:none}
  .js .rv{transform:none;transition:opacity .4s linear}
  .js .hero h1 .ln>span,.js .hero .card{animation:none}
  .btn,.svc a,.case,.card,.fab,.menu-open .nav a{transition-property:opacity,background-color,border-color,color,box-shadow}
  .btn:hover,.svc a:hover,.btn:active,.svc a:active{transform:none}
  .faq details[open]>p,.status:not(:empty){animation:none}
}

/* 404 */
.nf{min-height:80svh;display:grid;place-items:center;text-align:center;padding-top:100px}
.nf .d{font-size:clamp(90px,22vw,260px);color:var(--ac)}
.split.one{grid-template-columns:minmax(0,1fr)}
@media (min-width:901px){.only-m{display:none}}

/* первые экраны проектов на телефоне: короткое имя продукта — крупно */
@media (max-width:900px){.page-hero:is(.kanri,.zq,.rs) h1{font-size:clamp(44px,14vw,64px)}}
/* после текста страницы вопросы идут без двойного отступа */
section:has(> .wrap > .prose) + section[aria-labelledby="faq-h"]{padding-top:0}