/* ==========================================================
   Стили сайта. Цвета и шрифты меняются в блоке :root ниже.
   ========================================================== */
:root{
  --ink:#0C2340;        /* основной тёмный синий */
  --ink-dark:#081A30;   /* верхняя полоска */
  --deep:#0F5D8C;       /* иконки, вторичный синий */
  --paper:#F2F4F6;      /* светлый фон секций */
  --rule:#CBD3DB;       /* линии и рамки */
  --sun:#F0B429;        /* акцентный цвет (кнопки) */
  --text:#1D2B3A;
  --muted:#52606F;
  --font-head:"Bricolage Grotesque",system-ui,sans-serif;
  --font-body:"Instrument Sans",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;font-family:var(--font-body);font-size:1.0625rem;line-height:1.65;color:var(--text);background:#fff;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--ink);line-height:1.12;margin:0 0 .5em;letter-spacing:-.015em}
h1{font-size:clamp(2.6rem,6.2vw,5rem);font-weight:700}
h2{font-size:clamp(1.9rem,3.6vw,2.9rem);font-weight:650}
h3{font-size:1.3rem;font-weight:650}
p{margin:0 0 1em}
:focus-visible{outline:3px solid #3b82f6;outline-offset:3px}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--sun);color:var(--ink);padding:10px 16px;z-index:100;font-weight:600}
.skip:focus{left:8px}

/* ---------- Кнопки ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--sun);color:var(--ink);border:2px solid var(--sun);border-radius:4px;padding:14px 26px;font:600 1rem/1.2 var(--font-body);text-decoration:none;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2}
.btn:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-sm{padding:10px 18px;font-size:.95rem}
.on-dark .btn:hover,.cta .btn:hover{background:#fff;border-color:#fff;color:var(--ink)}
.cta .btn{background:var(--ink);border-color:var(--ink);color:#fff}

/* ---------- Верх сайта ---------- */
.topbar{background:var(--ink-dark);color:#C7D3E0;font-size:.875rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:8px 24px;flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--rule)}
.navbar{position:relative}
.navbar-in{display:flex;align-items:center;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:700 1.35rem/1 var(--font-head);color:var(--ink)}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:28px}
.site-nav ul{list-style:none;margin:0;padding:0}
.site-nav>ul{display:flex;gap:28px}
.site-nav a{text-decoration:none}
.site-nav>ul>li>a{display:block;padding:8px 0;font-weight:500;color:var(--ink);border-bottom:2px solid transparent}
.site-nav>ul>li>a:hover,.site-nav>ul>li>a[aria-current]{border-bottom-color:var(--sun)}
.has-sub{position:relative;padding:16px 0;margin:-16px 0}
.sub{display:none;position:absolute;top:100%;left:-16px;min-width:380px;background:#fff;border:1px solid var(--rule);padding:8px;box-shadow:0 12px 32px rgba(12,35,64,.12)}
.has-sub:hover .sub,.has-sub:focus-within .sub{display:block}
.sub a{display:block;padding:10px 16px;color:var(--ink);border-radius:2px}
.sub a:hover{background:var(--paper)}
.lang{position:relative}
.lang summary{list-style:none;cursor:pointer;border:1px solid var(--rule);border-radius:4px;padding:6px 14px;font-weight:600;font-size:.95rem;color:var(--ink)}
.lang summary::-webkit-details-marker{display:none}
.lang ul{position:absolute;right:0;top:calc(100% + 6px);min-width:170px;background:#fff;border:1px solid var(--rule);padding:6px;box-shadow:0 12px 32px rgba(12,35,64,.12)}
.lang li a{display:block;padding:8px 12px;color:var(--ink)}
.lang li a:hover{background:var(--paper)}
.nav-toggle{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--rule);border-radius:4px;background:#fff;cursor:pointer;position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{position:absolute;left:11px;width:20px;height:2px;background:var(--ink);content:""}
.nav-toggle span{top:20px}
.nav-toggle span::before{left:0;top:-6px}
.nav-toggle span::after{left:0;top:6px}

/* ---------- Главный экран ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:clamp(72px,11vw,150px) 0}
.hero h1{color:#fff;max-width:11em}
.hero-copy{position:relative;z-index:1;max-width:40rem}
.hero .lead{font-size:1.2rem;color:#D3DEEA;max-width:34em;margin-bottom:2rem}
.hero-art{position:absolute;right:-6%;top:50%;transform:translateY(-50%);width:min(62vw,680px);z-index:0}
.g-outline{fill:rgba(255,255,255,.03);stroke:rgba(255,255,255,.35);stroke-width:1.5}
.g-lines{fill:none;stroke:rgba(255,255,255,.14);stroke-width:1}
.arc{fill:none;stroke:var(--sun);stroke-width:2.5;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1;animation:draw 1.6s ease-out forwards}
.dot{fill:var(--sun)}
.ring{fill:none;stroke:var(--sun);stroke-width:2;opacity:.5}
@keyframes draw{to{stroke-dashoffset:0}}
@media (prefers-reduced-motion:reduce){.arc{animation:none;stroke-dashoffset:0}html{scroll-behavior:auto}}

/* ---------- Секции ---------- */
.section{padding:clamp(64px,9vw,112px) 0}
.section-paper{background:var(--paper)}
.about-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:64px;align-items:start}
.about-text{max-width:38em}
.about-text strong{color:var(--ink);font-weight:650}
.facts h3{margin-bottom:.8em}
.facts ul{list-style:none;margin:0;padding:0}
.facts li{padding:12px 0 12px 24px;border-top:1px solid var(--rule);position:relative}
.facts li:last-child{border-bottom:1px solid var(--rule)}
.facts li::before{content:"";position:absolute;left:0;top:50%;width:9px;height:9px;margin-top:-4px;background:var(--sun)}
.why-list{list-style:none;margin:2.5rem 0 0;padding:0}
.why-item{display:grid;grid-template-columns:48px minmax(0,1fr) minmax(0,1.4fr);gap:24px;align-items:start;padding:28px 0;border-top:1px solid var(--rule)}
.why-item:last-child{border-bottom:1px solid var(--rule)}
.why-item svg{width:32px;height:32px;stroke:var(--deep);fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.why-item h3{margin:0}
.why-item p{margin:0;color:var(--muted)}
.svc-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:2.5rem}
.svc{position:relative;display:flex;flex-direction:column;justify-content:flex-end;min-height:270px;padding:28px;background:var(--paper);border:1px solid var(--rule);border-radius:4px;text-decoration:none;transition:background .2s,color .2s}
.svc h3{margin:0;max-width:13em;font-size:1.55rem}
.svc-art{position:absolute;top:24px;right:24px;width:96px;height:96px;color:var(--deep);transition:color .2s}
.svc-art svg,.motif svg{width:100%;height:100%;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.svc-go{position:absolute;right:24px;bottom:24px;width:40px;height:40px;border-radius:50%;background:var(--sun);color:var(--ink);display:grid;place-items:center}
.svc-go svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2}
.svc:hover{background:var(--ink)}
.svc:hover h3{color:#fff}
.svc:hover .svc-art{color:var(--sun)}
.cta{background:var(--sun);color:var(--ink);padding:clamp(56px,7vw,88px) 0}
.cta .wrap{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta h2{margin-bottom:.3em}
.cta p{margin:0;max-width:32em}

/* ---------- Внутренние страницы ---------- */
.page-head{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:clamp(48px,7vw,88px) 0}
.page-head h1{color:#fff;font-size:clamp(2.1rem,4.6vw,3.6rem);max-width:14em;margin-bottom:0}
.crumbs{font-size:.9rem;color:#C7D3E0;margin-bottom:1.2rem}
.crumbs a{text-decoration:none;border-bottom:1px solid rgba(255,255,255,.35)}
.crumbs span{margin:0 8px;opacity:.6}
.page-head .motif{position:absolute;right:max(24px,calc((100vw - 1160px)/2 + 24px));top:50%;width:132px;height:132px;transform:translateY(-50%);color:var(--sun)}
.main-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:64px;align-items:start}
.intro{font-size:1.25rem;color:var(--ink);max-width:34em}
.main-grid h2{font-size:1.7rem;margin-top:2.2em}
.rows{list-style:none;margin:0;padding:0}
.rows li{position:relative;padding:16px 0 16px 28px;border-top:1px solid var(--rule)}
.rows li:last-child{border-bottom:1px solid var(--rule)}
.rows li::before{content:"";position:absolute;left:0;top:27px;width:9px;height:9px;background:var(--sun)}
.steps{list-style:none;counter-reset:s;margin:0;padding:0}
.steps li{counter-increment:s;display:grid;grid-template-columns:48px 1fr;gap:16px;padding:20px 0;border-top:1px solid var(--rule)}
.steps li:last-child{border-bottom:1px solid var(--rule)}
.steps li::before{content:counter(s);font:700 1.8rem/1 var(--font-head);color:var(--deep)}
.steps h3{margin:0 0 .2em;font-size:1.15rem}
.steps p{margin:0;color:var(--muted)}
.aside{position:sticky;top:104px;display:grid;gap:24px}
.aside-box{background:var(--paper);border-left:4px solid var(--sun);padding:28px}
.aside-box h3{font-size:1.2rem}
.aside-box ul{list-style:none;margin:0;padding:0}
.aside-box li a{display:block;padding:8px 0;border-top:1px solid var(--rule);text-decoration:none;color:var(--ink)}
.aside-box li a:hover{text-decoration:underline}

/* ---------- Контакты ---------- */
.contact-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:64px;align-items:start}
.field{margin-bottom:20px}
.field label{display:block;font-weight:600;color:var(--ink);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;font:inherit;color:var(--text);background:#fff;border:1px solid #8A97A6;border-radius:4px}
.field textarea{min-height:160px;resize:vertical}
.hp{position:absolute;left:-9999px}
.form-status{margin:16px 0 0;font-weight:600}
.form-status.ok{color:#1B6B3A}
.form-status.err{color:#A12622}
.info dt{font-weight:650;color:var(--ink);margin-top:1.4em}
.info dt:first-child{margin-top:0}
.info dd{margin:0;color:var(--muted)}
.info a{color:var(--deep)}
.legal{max-width:46rem}
.legal h2{font-size:1.6rem;margin-top:1.8em}
.legal h2:first-child{margin-top:0}

/* ---------- Подвал ---------- */
.site-footer{background:linear-gradient(180deg,#0C2340 0%,#0D3A6A 100%);color:#C7D3E0;padding:72px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px}
.site-footer .brand{color:#fff;margin-bottom:16px}
.site-footer h4{color:#fff;font-size:1.05rem;margin-bottom:.9em}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:.6em}
.site-footer a{text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.15);font-size:.92rem}

/* ---------- Мобильная версия ---------- */
@media (max-width:960px){
  .nav-toggle{display:block}
  .site-nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--rule);flex-direction:column;align-items:stretch;gap:16px;padding:12px 24px 24px;max-height:calc(100vh - 120px);overflow:auto}
  .site-nav.open{display:flex}
  .site-nav>ul{flex-direction:column;gap:0}
  .has-sub{padding:0;margin:0}
  .sub{display:block;position:static;min-width:0;border:0;box-shadow:none;padding:0 0 8px 16px}
  .lang ul{position:static;box-shadow:none;margin-top:6px}
  .about-grid,.main-grid,.contact-grid{grid-template-columns:1fr;gap:40px}
  .svc-grid{grid-template-columns:1fr}
  .aside{position:static}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .why-item{grid-template-columns:40px 1fr;gap:8px 16px}
  .why-item p{grid-column:2}
  .hero-art{opacity:.35;right:-30%;width:100vw}
  .page-head .motif{display:none}
}

.facts li a{color:var(--ink);text-decoration:none}
.facts li a:hover{text-decoration:underline}

/* ==========================================================
   Release v2: бренд, часы, инженерный стиль
   ========================================================== */
.brand{gap:12px;font-size:1rem}
.brand-logo{width:52px;height:52px;object-fit:contain;flex:none}
.brand-name{display:flex;flex-direction:column;font-family:"Montserrat",var(--font-head);line-height:1}
.b1{font-size:1.5rem;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.b-s{font-size:1.18em;background:linear-gradient(135deg,#f7a824 10%,#ee4f5b 90%);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.b2{margin-top:4px;font-size:.74rem;font-weight:800;color:var(--ink);letter-spacing:.075em;text-transform:uppercase}
.site-footer .b1,.site-footer .b2{color:#fff}
.navbar-in{min-height:78px}
.clock{font-variant-numeric:tabular-nums;white-space:nowrap}
.info .clock{white-space:normal}

/* чертёжная сетка */
.hero,.page-head{background-color:var(--ink);background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:40px 40px}
.section-paper{background-color:var(--paper);background-image:linear-gradient(rgba(12,35,64,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(12,35,64,.05) 1px,transparent 1px);background-size:32px 32px}

/* инженерная сцена в hero */
.hero-art{right:-4%;width:min(64vw,720px)}
.hero-art svg{width:100%;height:auto}
.ind{fill:rgba(255,255,255,.04);stroke:rgba(255,255,255,.42);stroke-width:1.6;stroke-linejoin:round}
.ind-thin{fill:none;stroke:rgba(255,255,255,.2);stroke-width:1.1}
.ind-pipe{fill:none;stroke:rgba(255,255,255,.55);stroke-width:2.2;stroke-linejoin:round}
.ind-grid{fill:none;stroke:rgba(255,255,255,.05);stroke-width:1}
.gear-amber{fill:rgba(240,180,41,.08);stroke:var(--sun);stroke-width:2;stroke-linejoin:round}
.flame{fill:var(--sun);opacity:.9}
.flame-in{fill:#ee4f5b;opacity:.9}
.spin{animation:spin 48s linear infinite}
.spin.rev{animation-duration:30s;animation-direction:reverse}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.spin{animation:none}}

/* бледная шестерня в шапке внутренних страниц */
.gear-bg{position:absolute;right:-120px;top:50%;width:440px;height:440px;transform:translateY(-50%);opacity:.7;pointer-events:none}
.gear-bg svg{width:100%;height:100%}
.page-head .wrap{position:relative;z-index:1}
.page-head .motif{z-index:1}

.intro+p{color:var(--muted)}
.main-grid h2{border-top:0}
.steps li::before{color:var(--sun);-webkit-text-stroke:1px var(--ink)}

@media (max-width:960px){
  .hero-art{right:-35%;width:110vw;opacity:.4}
  .gear-bg{right:-200px;opacity:.5}
}
@media (max-width:480px){
  .brand-logo{width:44px;height:44px}
  .b1{font-size:1.25rem}
  .b2{font-size:.62rem}
  .topbar .wrap{font-size:.8rem}
}

/* ==========================================================
   Release v3: S из шаблона, фото-фон, флаги, плавные меню
   ========================================================== */
.b-s{display:inline-block;height:1.08em;width:auto;vertical-align:-.12em;margin-right:.03em;background:none;-webkit-text-fill-color:initial}
.brand-name .b1{display:flex;align-items:flex-end}

/* hero с фото */
.hero{background-image:none;background-color:#06101f}
.hero-art{left:0;right:0;top:0;bottom:0;transform:none;width:auto}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:62% 25%}
.hero-art::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,16,31,.92) 0%,rgba(6,16,31,.72) 42%,rgba(6,16,31,.15) 100%),linear-gradient(0deg,rgba(6,16,31,.55),transparent 40%)}
.hero-copy{text-shadow:0 2px 24px rgba(0,0,0,.45)}

/* шапка внутренних страниц с фото */
.page-head{background-image:none;background-color:#06101f}
.ph-photo{position:absolute;inset:0}
.ph-img{width:100%;height:100%;object-fit:cover;object-position:50% 40%}
.ph-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,16,31,.94),rgba(6,16,31,.7) 55%,rgba(6,16,31,.35))}

/* about: фото */
.facts-photo{margin:0 0 28px;border-radius:4px;overflow:hidden;border:1px solid var(--rule)}
.facts-img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}

/* карточки услуг: 5 штук, сетка 6 колонок (3 + 2) */
.svc-grid{grid-template-columns:repeat(6,1fr)}
.svc{grid-column:span 2;min-height:300px;padding:0;overflow:hidden;background:var(--ink);border:0;justify-content:flex-end}
.svc:nth-child(n+4){grid-column:span 3}
.svc-photo{position:absolute;inset:0;transition:transform .7s cubic-bezier(.2,.7,.2,1)}
.svc-img{width:100%;height:100%;object-fit:cover;display:block}
.svc::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(0deg,rgba(6,16,31,.92) 12%,rgba(6,16,31,.35) 60%,rgba(6,16,31,.1));transition:background .4s}
.svc:hover .svc-photo{transform:scale(1.06)}
.svc h3{position:relative;z-index:2;color:#fff;padding:0 84px 26px 26px;max-width:none;font-size:1.4rem}
.svc-art{z-index:2;width:56px;height:56px;top:20px;right:20px;color:var(--sun);opacity:.95}
.svc-go{z-index:2;bottom:22px;transition:transform .3s}
.svc:hover .svc-go{transform:translateX(4px)}
.svc:hover{background:var(--ink)}

/* ---- плавное выпадающее меню услуг ---- */
.sub{display:block;visibility:hidden;opacity:0;transform:translateY(8px);pointer-events:none;transition:opacity .22s ease,transform .22s ease,visibility 0s linear .22s}
.has-sub:hover .sub,.has-sub:focus-within .sub{visibility:visible;opacity:1;transform:none;pointer-events:auto;transition:opacity .22s ease,transform .22s ease,visibility 0s}
.sub a{transition:background .18s,padding-left .18s}
.sub a:hover{padding-left:22px}
.chev{width:12px;height:12px;margin-left:5px;vertical-align:-1px;stroke:currentColor;fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;transition:transform .25s}
.has-sub:hover .chev,.has-sub:focus-within .chev{transform:rotate(180deg)}
.site-nav>ul>li>a{transition:border-color .2s;display:flex;align-items:center;white-space:nowrap}

/* ---- переключатель языка с флагами ---- */
.lang-btn{display:flex;align-items:center;gap:8px;cursor:pointer;border:1px solid var(--rule);border-radius:4px;background:#fff;padding:6px 10px 6px 12px;font:600 .95rem var(--font-body,inherit);color:var(--ink);transition:border-color .2s,box-shadow .2s}
.lang-btn:hover,.lang.open .lang-btn{border-color:var(--deep);box-shadow:0 0 0 3px rgba(15,93,140,.12)}
.lang-btn .chev{margin:0}
.lang.open .chev{transform:rotate(180deg)}
.flag{width:22px;height:15px;object-fit:cover;border-radius:2px;box-shadow:0 0 0 1px rgba(12,35,64,.18);flex:none;display:block}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);min-width:180px;z-index:30;background:#fff;border:1px solid var(--rule);border-radius:4px;padding:6px;box-shadow:0 14px 36px rgba(12,35,64,.16);visibility:hidden;opacity:0;transform:translateY(-6px) scale(.98);transform-origin:top right;transition:opacity .2s ease,transform .2s ease,visibility 0s linear .2s}
.lang.open .lang-menu{visibility:visible;opacity:1;transform:none;transition:opacity .2s ease,transform .2s ease,visibility 0s}
.lang-menu li a{display:flex;align-items:center;gap:10px;padding:9px 12px;color:var(--ink);border-radius:3px;transition:background .15s}
.lang-menu li a:hover{background:var(--paper)}
.lang-menu li a[aria-current]{font-weight:600;background:var(--paper)}

/* ---- уведомление «адрес скопирован» ---- */
.toast{position:fixed;left:50%;bottom:28px;z-index:100;max-width:calc(100vw - 32px);background:var(--ink);color:#fff;padding:12px 20px;border-radius:6px;font-size:.95rem;box-shadow:0 12px 32px rgba(0,0,0,.28);opacity:0;transform:translate(-50%,16px);pointer-events:none;transition:opacity .25s ease,transform .25s ease}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* плавность прочих элементов */
.btn{transition:background .2s,color .2s,transform .2s,box-shadow .2s}
.btn:hover{transform:translateY(-1px)}
.contact-form input,.contact-form select,.contact-form textarea{transition:border-color .2s,box-shadow .2s}
.form-status{transition:opacity .3s}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){*{transition-duration:.01ms!important;animation-duration:.01ms!important}html{scroll-behavior:auto}}

@media (max-width:960px){
  .hero-art::after{background:linear-gradient(0deg,rgba(6,16,31,.85),rgba(6,16,31,.6))}
  .hero-art{opacity:1;right:0;width:auto}
  .svc-grid{grid-template-columns:1fr}
  .svc,.svc:nth-child(n+4){grid-column:auto;min-height:230px}
  /* плавное раскрытие мобильного меню */
  .site-nav{display:flex;visibility:hidden;opacity:0;transform:translateY(-10px);max-height:0;padding-top:0;padding-bottom:0;overflow:hidden;pointer-events:none;transition:opacity .25s ease,transform .25s ease,max-height .35s ease,padding .25s ease,visibility 0s linear .35s}
  .site-nav.open{visibility:visible;opacity:1;transform:none;max-height:calc(100vh - 120px);padding-top:12px;padding-bottom:24px;overflow:auto;pointer-events:auto;transition:opacity .25s ease,transform .25s ease,max-height .35s ease,padding .25s ease,visibility 0s}
  .sub{visibility:visible;opacity:1;transform:none;pointer-events:auto}
  .sub a:hover{padding-left:16px}
  .chev{display:none}
  .lang-menu{position:static;box-shadow:none;margin-top:6px;visibility:visible;opacity:1;transform:none;max-height:0;padding:0 6px;overflow:hidden;border-width:0;transition:max-height .3s ease,padding .3s ease}
  .lang.open .lang-menu{max-height:220px;padding:6px;border-width:1px}
  .lang-btn .chev{display:block}
  .nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{transition:transform .25s,background .25s,top .25s}
  .nav-toggle[aria-expanded="true"] span{background:transparent}
  .nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}
}

/* release v3.12: логотип-слово целиком по шаблону, выровненные строки */
.brand-word{display:block;height:40px;width:auto;flex:none}
.brand{gap:12px}
@media (max-width:480px){.brand-word{height:33px}}

/* v5: больше кадра в фото */
.svc:nth-child(n+4){min-height:340px}
.svc:nth-child(5) .svc-img{object-position:50% 40%}
.svc:nth-child(1) .svc-img{object-position:55% 50%}