/* Единая навигация на всех страницах */
.header{max-width:1180px;margin:0 auto;padding:22px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}.header .header-brand{font-size:14px;font-weight:900;letter-spacing:.1em;color:inherit}.header .nav{display:flex;gap:22px;align-items:center;flex-wrap:wrap;font-size:13px;color:#77746d}.header .nav a:hover,.header .nav a[aria-current="page"]{color:#d85d0a}.header .header-phone{font-size:13px;font-weight:800;white-space:nowrap;color:inherit}.hero-visual img{width:100%;height:auto;aspect-ratio:1.54;object-fit:cover}a:focus-visible{outline:3px solid #ff781c;outline-offset:3px}@media(max-width:800px){.header{gap:12px}.header .nav{display:flex;order:3;width:100%;gap:12px 18px;padding-top:5px}.header .header-phone{margin-left:auto}}@media(max-width:550px){.header{padding:19px 20px}.header .nav{gap:9px 15px;font-size:12px}.header .header-phone{font-size:11px}}
.header a,.header a:visited{text-decoration:none!important}



/* AV ENERGY — Mobile usability patch 2026-10-31.
   Safe override: styles only. Does not affect forms, analytics or pricing logic. */
html{overflow-x:clip}
body{min-width:0;overflow-x:clip}
img,svg,video{max-width:100%}
.header .nav a{display:inline-flex;align-items:center;min-height:36px}
@media (max-width:800px){
  .header{align-items:center;row-gap:5px}
  .header .header-brand{font-size:15px}
  .header .header-phone{font-size:13px}
  .header .nav{order:3;width:100%;padding:6px 0 0;display:flex;flex-wrap:nowrap;gap:7px;overflow-x:auto;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;scrollbar-width:thin;white-space:nowrap}
  .header .nav a{flex:0 0 auto;min-height:42px;padding:9px 11px;border:1px solid #d9d4c9;border-radius:9px;background:rgba(255,255,255,.40);font-size:12px;font-weight:700;text-decoration:none}
  .header .nav a[aria-current="page"]{border-color:#e9a67c;background:#fff1e7}
  .header .nav a:hover{border-color:#e69a69}
  .hero-visual img{height:auto}
  .wrap,.section,.seo-links{min-width:0}
  .btn,.btn-primary,.btn-outline,.btn.orange{min-height:44px}
}
@media (max-width:600px){
  body{font-size:15px}
  .header{padding:15px 16px 11px;gap:8px}
  .header .header-brand{letter-spacing:.06em}
  .header .header-phone{font-size:12px;white-space:nowrap}
  .header .nav{margin-top:2px}
  .site .hero{padding-left:16px;padding-right:16px}
  .site .hero-content h1{font-size:clamp(30px,9.2vw,44px);line-height:1.08}
  .site .hero-content p{line-height:1.6}
  .site .brand-lockup{margin-bottom:30px}
  .site .actions{gap:10px}
  .site .actions .btn{width:100%;max-width:500px;min-height:48px;padding:14px 16px}
  .site .section{padding:34px 16px}
  .site .hero-calc{margin-top:22px}
  .site .hero-calc a{min-height:48px}
  .seo-links{padding:26px 16px 45px}
  .seo-grid{grid-template-columns:1fr}
  .seo-grid a{padding:18px}
  .wrap{padding-left:16px;padding-right:16px}
  .wrap .hero{gap:18px}
  .wrap h1{overflow-wrap:break-word;font-size:clamp(30px,8.5vw,44px)}
  .wrap .panel{padding:20px}
  .wrap .two{grid-template-columns:1fr}
  .links{gap:8px}
  .links a{min-height:44px;display:inline-flex;align-items:center}
  .ae-section{padding-left:16px;padding-right:16px}
  .ae-expert{padding:20px}
  .ae-expert .ae-tiles,.ae-process{grid-template-columns:1fr}
  /* Calculator: make search, quantity controls and lead form easy to tap */
  .workspace{grid-template-columns:minmax(0,1fr)}
  .workspace .panel{padding:0}
  .workspace .toolbar{padding:12px}
  .workspace .search{font-size:16px;min-height:48px;width:100%}
  .workspace .categories{gap:7px;padding:12px}
  .workspace .chip{min-height:43px;padding:10px 13px;font-size:12px}
  .workspace .service{grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:14px 12px}
  .workspace .service h3{font-size:14px}
  .workspace .qty{flex-shrink:0}
  .workspace .qty button{width:41px;height:44px;font-size:22px}
  .workspace .qty input{width:40px;min-height:44px;font-size:16px}
  .workspace .summary-head{padding:19px}
  .workspace .summary-body{padding:16px}
  .workspace .total{font-size:clamp(24px,7vw,32px);white-space:normal;text-align:right;overflow-wrap:anywhere}
  .workspace .btn{min-height:48px}
  .workspace .lead-form input:not([type="checkbox"]),.workspace .lead-form textarea{font-size:16px;min-height:46px}
  .workspace .lead-form .agree{font-size:13px;align-items:flex-start}
  .workspace .lead-form .agree input{width:20px;height:20px;margin-top:0}
  .foot{gap:8px;flex-wrap:wrap}
}
@media (max-width:360px){
 .header .header-phone{font-size:11px}
 .workspace .service{grid-template-columns:1fr}
 .workspace .qty{justify-self:start}
}
@media print{
 .header .nav{overflow:visible}
}