/* =========================================================
 *  Виатех — шапка с мега-меню (глобальная, заменяет шапку Blocksy)
 *  Использует токены из brand.css (--vt-*). Кнопка КП — .vt-btn--primary.
 * =======================================================*/

:root{ --vt-hdr:74px; }

/* Скрыть стандартную шапку Blocksy (рисуем свою) */
header#header,
header.ct-header,
.ct-header[data-device]{ display:none !important; }

/* ---------- Верхняя утилитарная полоса: гео + контакты ---------- */
/* Служебная строка — белая, в один тон с панелью мега-меню (.vt-panel{background:#fff}).
   Решение владельца 24.07.2026. Разделение верхней зоны держится на нижней границе
   шапки, её тени при прокрутке и на заливке героя (см. home.css). */
.vt-topbar{background:var(--vt-white); color:var(--vt-graphite); border-bottom:1px solid var(--vt-line)}
.vt-topbar *{box-sizing:border-box}
.vt-topbar__wrap{max-width:var(--vt-maxw); margin:0 auto; padding:0 30px; height:38px;
  display:flex; align-items:center; justify-content:space-between; gap:24px}
.vt-topbar__geo{display:inline-flex; align-items:center; gap:9px; margin:0; min-width:0;
  font-family:'JetBrains Mono',monospace; font-size:11.5px; letter-spacing:.03em;
  color:var(--vt-muted)}
.vt-topbar__geo>span{white-space:nowrap; overflow:hidden; text-overflow:ellipsis}
.vt-topbar__contacts{display:inline-flex; align-items:center; gap:16px; flex:0 0 auto}
.vt-topbar__c{display:inline-flex; align-items:center; gap:8px; color:var(--vt-indigo); text-decoration:none;
  font-family:'Manrope',sans-serif; font-weight:600; font-size:13px; letter-spacing:-.003em;
  transition:color .15s var(--vt-ease)}
.vt-topbar__c:hover{color:var(--vt-teal-600)}
.vt-topbar__ic{display:inline-flex; flex:0 0 auto; color:var(--vt-teal)}
.vt-topbar__ic svg{width:14px; height:14px; display:block}
.vt-topbar__ic--pin svg{width:13px; height:13px}
.vt-topbar__sep{width:1px; height:13px; background:var(--vt-line-2); flex:0 0 auto}
.vt-topbar a:focus-visible{outline:2px solid var(--vt-teal); outline-offset:3px; border-radius:4px}
@media (max-width:768px){
  .vt-topbar__wrap{justify-content:flex-end; height:36px; padding:0 16px}
  .vt-topbar__geo{display:none}
}
@media (max-width:520px){
  .vt-topbar{display:none}
}

/* ---------- Контакты в мобильном меню (низ drawer) ---------- */
.m-contacts{margin-top:16px; padding-top:18px; border-top:1px solid var(--vt-line);
  display:flex; flex-direction:column; gap:12px}
.m-contact{display:inline-flex; align-items:center; gap:12px; text-decoration:none; color:var(--vt-indigo)}
.m-contact__ic{display:inline-flex; flex:0 0 auto; width:36px; height:36px; border-radius:9px;
  align-items:center; justify-content:center; background:var(--vt-teal-50); color:var(--vt-teal-600)}
.m-contact__ic svg{width:18px; height:18px; display:block}
.m-contact__tx{display:flex; flex-direction:column; line-height:1.25;
  font-family:'Manrope',sans-serif; font-weight:700; font-size:15px}
.m-contact__tx small{font-family:'JetBrains Mono',monospace; font-weight:500; font-size:10px;
  letter-spacing:.1em; text-transform:uppercase; color:var(--vt-muted); margin-bottom:2px}

/* ---------- Каркас шапки ---------- */
.vt-header{position:sticky; top:0; z-index:90; background:#fff;
  border-bottom:1px solid var(--vt-line); transition:box-shadow .25s var(--vt-ease);}
.vt-header.is-scrolled{box-shadow:0 6px 22px -14px rgba(16,58,92,.28)}
.vt-header *{box-sizing:border-box}
.vt-hwrap{max-width:var(--vt-maxw); margin:0 auto; padding:0 30px;
  height:var(--vt-hdr); display:flex; align-items:center; gap:30px}
.vt-logo{display:inline-flex; align-items:center; flex:0 0 auto; line-height:0}
.vt-logo-svg{height:34px; width:auto; display:block}

.vt-nav{flex:1 1 auto}
.vt-nav-list{display:flex; align-items:center; gap:4px; list-style:none; margin:0; padding:0}
.vt-item{position:relative}
.vt-link{display:inline-flex; align-items:center; gap:7px;
  font-family:'Manrope',sans-serif; font-weight:600; font-size:15px; color:var(--vt-indigo);
  letter-spacing:-.005em; padding:10px 14px; border-radius:9px; line-height:1; background:none;
  border:0; cursor:pointer; text-decoration:none; position:relative;
  transition:color .18s var(--vt-ease)}
.vt-link:hover,.vt-link:focus-visible{color:var(--vt-teal)}
.vt-parent>.vt-toggle[aria-expanded="true"]{color:var(--vt-teal)}
.vt-link::after{content:""; position:absolute; left:14px; right:14px; bottom:6px; height:2px;
  background:var(--vt-teal); border-radius:2px; transform:scaleX(0); transform-origin:left;
  transition:transform .2s var(--vt-ease)}
.vt-link:hover::after,.vt-parent>.vt-toggle[aria-expanded="true"]::after{transform:scaleX(1)}
.vt-caret{width:8px; height:8px; border-right:2px solid currentColor; border-bottom:2px solid currentColor;
  transform:translateY(-2px) rotate(45deg); transition:transform .2s var(--vt-ease)}
.vt-toggle[aria-expanded="true"] .vt-caret{transform:translateY(1px) rotate(-135deg)}

/* Кнопка КП в шапке — на базе brand .vt-btn--primary */
.vt-header .vt-btn{flex:0 0 auto; white-space:nowrap; padding:12px 20px; font-size:14.5px}

/* ---------- Панели ---------- */
.vt-panel{background:#fff; opacity:0; pointer-events:none;
  transition:opacity .18s var(--vt-ease), transform .18s var(--vt-ease)}
.vt-parent.is-open .vt-panel{opacity:1; pointer-events:auto}

.vt-dropdown{position:absolute; top:calc(100% + 10px); left:0; min-width:288px; padding:10px;
  border:1px solid var(--vt-line); border-radius:var(--vt-radius-sm); box-shadow:var(--vt-shadow-md);
  transform:translateY(-6px)}
.vt-parent.is-open .vt-dropdown{transform:translateY(0)}
.vt-dropdown::before{content:""; position:absolute; top:-9px; left:26px; width:16px; height:16px;
  background:#fff; border-left:1px solid var(--vt-line); border-top:1px solid var(--vt-line);
  transform:rotate(45deg); border-radius:3px 0 0 0}
.vt-dd-list{list-style:none; margin:0; padding:0}
.vt-dd-list a{display:block; padding:10px 14px; border-radius:8px; font-size:14.5px;
  color:var(--vt-graphite); text-decoration:none; transition:background .15s var(--vt-ease), color .15s var(--vt-ease)}
.vt-dd-list a:hover{background:var(--vt-light); color:var(--vt-indigo)}
.vt-dd-foot{margin-top:4px; padding:10px 14px 6px; border-top:1px solid var(--vt-line)}
.vt-dd-foot a{font-family:'JetBrains Mono',monospace; font-size:12px; letter-spacing:.06em;
  text-transform:uppercase; color:var(--vt-teal); text-decoration:none}
.vt-dd-foot a span{display:inline-block; transition:transform .2s var(--vt-ease)}
.vt-dd-foot a:hover span{transform:translateX(4px)}

/* ---------- Мега-меню (на всю ширину, контент по сетке) ---------- */
.vt-parent--wide{position:static}
.vt-mega{position:absolute; top:100%; left:0; right:0; border-top:1px solid var(--vt-line);
  box-shadow:0 24px 34px -22px rgba(16,58,92,.30); transform:translateY(-6px)}
.vt-parent.is-open .vt-mega{transform:translateY(0)}
.vt-mega-inner{max-width:var(--vt-maxw); margin:0 auto; padding:28px 30px 24px}
.vt-mega-head{font-family:'JetBrains Mono',monospace; font-size:12px; letter-spacing:.18em;
  text-transform:uppercase; color:var(--vt-teal); padding-bottom:14px; margin-bottom:18px;
  border-bottom:1px solid var(--vt-line)}
.vt-mega-head__link{color:inherit; text-decoration:none; display:inline-flex; align-items:center; gap:8px; transition:color .15s var(--vt-ease)}
.vt-mega-head__link:hover{color:var(--vt-indigo)}
.vt-mega-head__ar{letter-spacing:0; font-weight:400; display:inline-block; transition:transform .2s var(--vt-ease)}
.vt-mega-head__link:hover .vt-mega-head__ar{transform:translateX(4px)}
.vt-mega-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:22px 26px}
.vt-grp{display:inline-flex; flex-wrap:wrap; align-items:center; gap:8px; text-decoration:none;
  font-family:'Manrope',sans-serif; font-weight:700; font-size:14.5px; color:var(--vt-indigo);
  line-height:1.3; transition:color .15s var(--vt-ease)}
.vt-grp:hover{color:var(--vt-teal)}
.vt-prod{list-style:none; margin:10px 0 0; padding:0}
.vt-prod a{display:block; padding:4px 0; font-size:13.5px; color:var(--vt-muted);
  text-decoration:none; transition:color .15s var(--vt-ease)}
.vt-prod a:hover{color:var(--vt-indigo)}
.vt-soon{font-family:'JetBrains Mono',monospace; font-size:9.5px; letter-spacing:.08em;
  text-transform:uppercase; color:var(--vt-muted); background:var(--vt-light);
  border:1px solid var(--vt-line); border-radius:20px; padding:2px 7px; line-height:1}
.vt-mega-foot{margin-top:20px; padding-top:16px; border-top:1px solid var(--vt-line)}
.vt-all{font-family:'JetBrains Mono',monospace; font-size:12px; letter-spacing:.06em; text-transform:uppercase; color:var(--vt-teal); text-decoration:none}
.vt-all span{transition:transform .2s var(--vt-ease); display:inline-block}
.vt-all:hover span{transform:translateX(4px)}

/* ---------- Бургер / мобайл ---------- */
.vt-burger{display:none; flex:0 0 auto; width:42px; height:42px; border-radius:9px;
  align-items:center; justify-content:center; flex-direction:column; gap:5px; background:none; border:0; cursor:pointer}
.vt-burger span{width:20px; height:2px; background:var(--vt-indigo); border-radius:2px;
  transition:transform .25s var(--vt-ease), opacity .2s var(--vt-ease)}
.vt-burger.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.vt-burger.is-active span:nth-child(2){opacity:0}
.vt-burger.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.vt-backdrop{position:fixed; inset:0; background:rgba(16,58,92,.32); opacity:0;
  pointer-events:none; transition:opacity .25s var(--vt-ease); z-index:95}
.vt-backdrop.is-open{opacity:1; pointer-events:auto}
.vt-drawer{position:fixed; top:0; right:0; height:100dvh; width:min(380px,86vw);
  background:#fff; z-index:100; transform:translateX(100%); transition:transform .3s var(--vt-ease);
  display:flex; flex-direction:column; padding:24px 18px 24px;
  overflow-y:auto; box-shadow:var(--vt-shadow-md)}
.vt-drawer.is-open{transform:translateX(0)}
.vt-drawer .vt-btn--primary{width:100%; margin-top:18px; padding:15px; font-size:16px}
.m-list{list-style:none; margin:0; padding:0}
.m-top{display:flex; align-items:center; justify-content:space-between; width:100%;
  font-family:'Manrope',sans-serif; font-weight:600; font-size:17px; color:var(--vt-indigo);
  padding:15px 6px; border-bottom:1px solid var(--vt-line); text-align:left; text-decoration:none;
  background:none; border-left:0; border-right:0; border-top:0; cursor:pointer}
.m-top .vt-caret{border-color:var(--vt-muted); margin-left:auto}
.m-acc-body{padding:4px 0 10px}
.m-flat{list-style:none; margin:0; padding:2px 0 0}
.m-flat a{display:block; padding:9px 14px; font-size:15px; color:var(--vt-graphite); text-decoration:none}
.m-industry{font-family:'JetBrains Mono',monospace; font-size:12px; letter-spacing:.16em;
  text-transform:uppercase; color:var(--vt-teal); padding:8px 14px 6px}
.m-industry__link{color:inherit; text-decoration:none; display:inline-flex; align-items:center; gap:6px}
.m-industry__link span{letter-spacing:0; font-weight:400}
.m-grps{list-style:none; margin:0; padding:0}
.m-grp-row{display:flex; align-items:center; justify-content:space-between; gap:8px}
.m-grp-row>a{flex:1 1 auto; padding:9px 14px; font-size:15px; font-weight:500;
  color:var(--vt-indigo); text-decoration:none; display:flex; align-items:center; gap:8px}
.m-sub-toggle{width:40px; height:40px; position:relative; flex:0 0 auto; background:none; border:0; cursor:pointer}
.m-sub-toggle::before,.m-sub-toggle::after{content:""; position:absolute; top:50%; left:50%;
  width:11px; height:2px; background:var(--vt-muted); transform:translate(-50%,-50%); border-radius:2px}
.m-sub-toggle::after{transform:translate(-50%,-50%) rotate(90deg); transition:opacity .2s var(--vt-ease)}
.m-sub-toggle[aria-expanded="true"]::after{opacity:0}
.m-sub{list-style:none; margin:0 0 6px; padding:0 0 0 14px}
.m-sub a{display:block; padding:7px 14px; font-size:14px; color:var(--vt-muted); text-decoration:none}
.m-all,.m-all a{padding:12px 14px; display:block}
.m-all a{font-family:'JetBrains Mono',monospace; font-size:12px; letter-spacing:.06em;
  text-transform:uppercase; color:var(--vt-teal); text-decoration:none}

.vt-header :focus-visible,.vt-drawer :focus-visible{outline:2px solid var(--vt-teal); outline-offset:2px; border-radius:6px}
@media (prefers-reduced-motion:reduce){.vt-header *,.vt-drawer,.vt-backdrop{transition:none !important}}

/* ---------- Адаптив ---------- */
@media (max-width:980px){
  .vt-nav,.vt-hwrap>.vt-btn{display:none}
  .vt-burger{display:flex}
  .vt-hwrap{gap:16px; justify-content:space-between}
}
@media (max-width:560px){
  .vt-hwrap{padding:0 16px}
  .vt-logo-svg{height:40px}
}

/* Разделение секций-отраслей в мега-меню (когда отраслей > 1). */
.vt-mega-sec + .vt-mega-sec{margin-top:22px; padding-top:18px; border-top:1px solid var(--vt-line)}
.m-industry:not(:first-child){margin-top:14px}