/* =========================================================================
   PORMA — Production stylesheet
   ========================================================================= */
:root{
  --blue:#164DA6; --blue-hover:#103E87;
  --white:#FFFFFF; --bg-light:#F6F8FB;
  --text:#202124; --text-2:#666666;
  --border:#E4E8EE; --footer:#1D2530; --navy:#1B2E52;
  --container:1312px; --gutter:24px;
  --fs-display:56px; --fs-h2:36px; --fs-body:15px; --fs-sm:13px; --fs-xs:12px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --sec-y:84px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:"Inter","Noto Sans SC",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:var(--fs-body);line-height:1.7;color:var(--text);background:#fff;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
html[lang="en"] body{font-family:"Inter",-apple-system,BlinkMacSystemFont,sans-serif}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.skip{position:absolute;left:-9999px;top:0;background:var(--blue);color:#fff;padding:10px 18px;z-index:999}
.skip:focus{left:12px;top:12px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Utility bar ---------- */
.utility{height:42px;background:var(--bg-light);border-bottom:1px solid var(--border);font-size:var(--fs-xs);color:var(--text-2)}
.utility .inner{height:42px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.util-left{display:flex;align-items:center;gap:12px}
.region{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border:1px solid var(--border);background:#fff;font-size:var(--fs-xs);color:var(--text-2)}
.lang-toggle{display:inline-flex;border:1px solid var(--border);background:#fff}
.lang-toggle a{height:26px;padding:0 12px;display:inline-flex;align-items:center;font-size:var(--fs-xs);color:var(--text-2);transition:color .25s var(--ease),background .25s var(--ease)}
.lang-toggle a+a{border-left:1px solid var(--border)}
.lang-toggle a:hover{color:var(--blue)}
.lang-toggle a.is-active{color:var(--blue);font-weight:600;background:rgba(22,77,166,.06)}
.util-right{display:flex;align-items:center;gap:22px}
.util-item{display:inline-flex;align-items:center;gap:7px;transition:color .25s var(--ease)}
.util-item:hover{color:var(--blue)}
.util-item svg{width:14px;height:14px;flex:none;stroke:currentColor;fill:none;stroke-width:1.5}

/* ---------- Header ---------- */
.header{position:sticky;top:0;z-index:120;background:#fff;border-bottom:1px solid var(--border);transition:box-shadow .3s var(--ease)}
.header.is-stuck{box-shadow:0 1px 20px rgba(16,40,80,.08)}
.header .inner{height:74px;display:flex;align-items:center;gap:32px}
.logo{display:inline-flex;align-items:center}
.logo img{width:132px;height:auto}
.nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.nav>li{position:relative}
.nav-link{display:inline-flex;align-items:center;gap:5px;height:74px;padding:0 14px;font-size:14px;font-weight:500;color:var(--text);position:relative;transition:color .25s var(--ease)}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav-link:hover,.nav-link[aria-current="page"]{color:var(--blue)}
.nav-link:hover::after,.nav-link[aria-current="page"]::after{transform:scaleX(1)}
.caret{width:8px;height:8px;stroke:currentColor;fill:none;stroke-width:2;opacity:.55;transition:transform .3s var(--ease)}
.nav>li:hover .caret{transform:rotate(180deg)}
.submenu{position:absolute;top:74px;left:0;min-width:235px;background:#fff;border:1px solid var(--border);border-top:2px solid var(--blue);padding:8px 0;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;box-shadow:0 14px 40px rgba(16,40,80,.10)}
.nav>li:hover .submenu,.nav>li:focus-within .submenu{opacity:1;visibility:visible;transform:translateY(0)}
.submenu a{display:block;padding:9px 20px;font-size:13.5px;color:var(--text-2);transition:color .22s var(--ease),background .22s var(--ease),padding-left .22s var(--ease)}
.submenu a:hover{color:var(--blue);background:var(--bg-light);padding-left:25px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:44px;padding:0 26px;font-size:14px;font-weight:600;border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease)}
.btn svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .35s var(--ease)}
.btn:hover svg{transform:translateX(4px)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-hover)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-outline{background:transparent;color:var(--blue);border-color:var(--border)}
.btn-outline:hover{border-color:var(--blue);background:rgba(22,77,166,.04)}
.header .btn{margin-left:14px}

.burger{display:none;width:44px;height:44px;margin-left:auto;border:1px solid var(--border);background:#fff;cursor:pointer;position:relative}
.burger span{position:absolute;left:12px;width:20px;height:1.5px;background:var(--text);transition:transform .3s var(--ease),opacity .3s var(--ease)}
.burger span:nth-child(1){top:15px}.burger span:nth-child(2){top:21px}.burger span:nth-child(3){top:27px}
.burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-nav{display:none;position:fixed;inset:116px 0 0;background:#fff;z-index:110;overflow-y:auto;padding:8px 24px 60px;transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .3s var(--ease),transform .3s var(--ease)}
.mobile-nav.is-open{opacity:1;transform:none;pointer-events:auto}
.mobile-nav a{display:block;padding:15px 0;border-bottom:1px solid var(--border);font-size:16px;font-weight:500}
.mobile-nav .sub a{padding-left:16px;font-size:14px;color:var(--text-2);font-weight:400}
.mobile-nav .btn{width:100%;margin-top:26px}
.mobile-lang{display:flex;gap:0;margin-top:20px}

/* ---------- Hero ---------- */
.hero{position:relative;height:620px;min-height:520px;overflow:hidden;background:#0d1c33}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.1s var(--ease)}
.hero-slide.is-active{opacity:1}
.hero-slide img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);transition:transform 8s linear}
.hero-slide.is-active img{transform:scale(1)}
.hero-slide::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,20,38,.72) 0%,rgba(9,20,38,.42) 45%,rgba(9,20,38,.12) 78%,rgba(9,20,38,.05) 100%)}
.hero-inner{position:relative;z-index:2;height:100%;display:flex;align-items:center}
.hero-copy{max-width:660px;color:#fff}
.hero h1{font-family:"Noto Sans SC",sans-serif;font-weight:900;font-size:var(--fs-display);line-height:1.16;letter-spacing:.01em;text-shadow:0 2px 24px rgba(0,0,0,.28)}
html[lang="en"] .hero h1{font-family:"Inter",sans-serif;font-weight:800;letter-spacing:-.02em}
.hero h1 span{display:block;font-size:40px;font-weight:700;margin-top:6px;letter-spacing:.04em}
html[lang="en"] .hero h1 span{font-size:34px;letter-spacing:-.01em}
.hero-lede{margin-top:24px;font-size:15px;line-height:1.75;color:rgba(255,255,255,.86)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.hero-dots{position:absolute;left:0;right:0;bottom:26px;z-index:3;display:flex;justify-content:center;gap:9px}
.hero-dots button{width:8px;height:8px;border-radius:50%;border:0;padding:0;cursor:pointer;background:rgba(255,255,255,.45);transition:background .3s var(--ease),width .3s var(--ease)}
.hero-dots button.is-active{background:#fff;width:26px;border-radius:4px}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{position:relative;height:340px;overflow:hidden;background:#0d1c33;display:flex;align-items:center}
.page-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,20,38,.78) 0%,rgba(9,20,38,.45) 60%,rgba(9,20,38,.2) 100%)}
.page-hero .container{position:relative;z-index:2;color:#fff}
.page-hero h1{font-family:"Noto Sans SC",sans-serif;font-size:42px;font-weight:900;line-height:1.2}
html[lang="en"] .page-hero h1{font-family:"Inter",sans-serif;font-weight:800;letter-spacing:-.02em;font-size:40px}
.page-hero p{margin-top:14px;font-size:15px;color:rgba(255,255,255,.82);max-width:620px}
.crumbs{display:flex;gap:8px;font-size:12.5px;color:rgba(255,255,255,.6);margin-bottom:16px}
.crumbs a:hover{color:#fff}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- Sections ---------- */
.section{padding:var(--sec-y) 0}
.section--light{background:var(--bg-light)}
.sec-head{margin-bottom:36px}
.sec-title{font-family:"Noto Sans SC",sans-serif;font-weight:700;font-size:var(--fs-h2);line-height:1.25}
html[lang="en"] .sec-title{font-family:"Inter",sans-serif;font-weight:800;letter-spacing:-.02em}
.sec-sub{margin-top:12px;font-size:14px;color:var(--text-2);line-height:1.8;max-width:520px}

/* ---------- Product strip ---------- */
.prod-strip{margin-top:-56px;position:relative;z-index:5;display:grid;grid-template-columns:repeat(6,1fr);border:1px solid var(--border);background:#fff}
.prod-card{padding:34px 16px 26px;text-align:center;background:#fff;border-right:1px solid var(--border);transition:transform .38s var(--ease),box-shadow .38s var(--ease)}
.prod-card:last-child{border-right:0}
.prod-card:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(16,40,80,.12);z-index:2}
.prod-icon{width:44px;height:44px;margin:0 auto 18px;color:var(--blue);transition:transform .4s var(--ease)}
.prod-card:hover .prod-icon{transform:translateY(-3px) scale(1.06)}
.prod-icon svg{width:100%;height:100%;stroke:currentColor;fill:none;stroke-width:1.4;stroke-linejoin:round;stroke-linecap:round}
.prod-name{font-family:"Noto Sans SC",sans-serif;font-size:16px;font-weight:700;line-height:1.4}
html[lang="en"] .prod-name{font-family:"Inter",sans-serif;font-size:15px}
.prod-more{display:inline-flex;align-items:center;gap:6px;margin-top:20px;font-size:12.5px;font-weight:500;color:var(--blue)}
.prod-more svg{width:11px;height:11px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .35s var(--ease)}
.prod-card:hover .prod-more svg{transform:translateX(4px)}

/* ---------- Cards / media ---------- */
.media{position:relative;overflow:hidden;background:#e9edf3}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.card{border:1px solid var(--border);background:#fff;transition:transform .38s var(--ease),box-shadow .38s var(--ease)}
.card:hover{transform:translateY(-5px);box-shadow:0 18px 44px rgba(16,40,80,.12)}
.card:hover .media img{transform:scale(1.07)}
.card .media{aspect-ratio:16/10}
.card-body{padding:20px 22px 22px}
.card-title{font-family:"Noto Sans SC",sans-serif;font-size:16px;font-weight:700;line-height:1.4}
html[lang="en"] .card-title{font-family:"Inter",sans-serif;font-size:15.5px}
.card-desc{margin-top:8px;font-size:13px;color:var(--text-2);line-height:1.7}
.link-arrow{display:inline-flex;align-items:center;gap:7px;margin-top:16px;font-size:13px;font-weight:500;color:var(--blue)}
.link-arrow svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .35s var(--ease)}
.link-arrow:hover svg,.card:hover .link-arrow svg{transform:translateX(5px)}

/* ---------- Liner grid ---------- */
.split-grid{display:grid;grid-template-columns:300px 1fr;gap:40px;align-items:start}
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cards-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}

/* ---------- Why grid ---------- */
.why-grid{display:grid;grid-template-columns:340px 1fr;gap:48px;align-items:start}
.why-title{font-family:"Noto Sans SC",sans-serif;font-size:var(--fs-h2);font-weight:700;line-height:1.3}
html[lang="en"] .why-title{font-family:"Inter",sans-serif;font-weight:800;letter-spacing:-.02em}
.why-title b{color:var(--blue);font-family:"Inter",sans-serif;font-weight:800}
.why-lede{margin-top:18px;font-size:14px;color:var(--text-2);line-height:1.9}
.why-items{display:grid;grid-template-columns:repeat(3,1fr);gap:38px 34px}
.why-item{display:grid;grid-template-columns:38px 1fr;gap:16px}
.why-ico{width:34px;height:34px;color:var(--blue)}
.why-ico svg{width:100%;height:100%;stroke:currentColor;fill:none;stroke-width:1.4;stroke-linejoin:round;stroke-linecap:round}
.why-h{font-family:"Noto Sans SC",sans-serif;font-size:14.5px;font-weight:700}
html[lang="en"] .why-h{font-family:"Inter",sans-serif}
.why-p{margin-top:9px;font-size:12.5px;color:var(--text-2);line-height:1.8}

/* ---------- CTA band ---------- */
.cta-band{position:relative;background:var(--blue);color:#fff;overflow:hidden;padding:64px 0}
.cta-band .bg{position:absolute;inset:0}
.cta-band .bg img{width:100%;height:100%;object-fit:cover;opacity:.22}
.cta-band .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--blue) 12%,rgba(22,77,166,.86) 60%,rgba(22,77,166,.7) 100%)}
.cta-band .container{position:relative;z-index:2}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-band h2{font-family:"Noto Sans SC",sans-serif;font-size:30px;font-weight:700;line-height:1.35}
html[lang="en"] .cta-band h2{font-family:"Inter",sans-serif;font-weight:800;letter-spacing:-.02em}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.86)}
.btn-white{background:#fff;color:var(--blue)}
.btn-white:hover{background:#eef2f8}

/* ---------- Spec table ---------- */
.spec{width:100%;border-collapse:collapse;font-size:13.5px;margin-top:8px}
.spec th,.spec td{border:1px solid var(--border);padding:12px 16px;text-align:left}
.spec th{background:var(--bg-light);font-weight:600;width:38%}
.spec caption{text-align:left;font-size:12.5px;color:var(--text-2);padding-bottom:10px}

/* ---------- Resource list (inside product pages) ---------- */
.res-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.res-row{display:flex;align-items:center;gap:14px;padding:16px 18px;border:1px solid var(--border);background:#fff;transition:border-color .3s var(--ease),transform .3s var(--ease)}
.res-row:hover{border-color:var(--blue);transform:translateX(3px)}
.res-row .ico{width:26px;height:26px;flex:none;color:var(--blue)}
.res-row .ico svg{width:100%;height:100%;stroke:currentColor;fill:none;stroke-width:1.5}
.res-row .t{font-size:14px;font-weight:600}
.res-row .m{font-size:11.5px;color:var(--text-2);margin-top:2px}
.res-note{margin-top:18px;font-size:12.5px;color:var(--text-2);padding:14px 16px;background:var(--bg-light);border-left:3px solid var(--border)}

/* ---------- Contact page ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:14px}
.field>label{display:block;font-size:12.5px;font-weight:500;margin-bottom:6px;color:var(--text-2)}
.field input,.field select,.field textarea{width:100%;height:46px;padding:0 14px;background:#fff;border:1px solid var(--border);font-size:13.5px;transition:border-color .25s var(--ease),box-shadow .25s var(--ease)}
.field textarea{height:120px;padding:13px 14px;resize:vertical;line-height:1.6;font-family:inherit}
.field select{appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 4.5 6 8.5 10 4.5' fill='none' stroke='%23888' stroke-width='1.6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:12px}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(22,77,166,.1)}
.field .err{display:none;font-size:12px;color:#c0392b;margin-top:5px}
.field.is-bad input,.field.is-bad select,.field.is-bad textarea{border-color:#c0392b}
.field.is-bad .err{display:block}
.form-ok{display:none;margin-bottom:16px;padding:14px 16px;background:rgba(22,77,166,.07);border-left:3px solid var(--blue);font-size:13.5px}
.form-ok.is-on{display:block}
.contact-list li{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid var(--border);font-size:14px}
.contact-list b{flex:none;width:78px;color:var(--text-2);font-weight:500;font-size:13px}

/* ---------- Footer ---------- */
.footer{background:var(--footer);color:rgba(255,255,255,.62);padding:64px 0 0;font-size:13px}
.footer .logo img{width:132px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-about{margin-top:20px;line-height:1.9;font-size:12.5px;max-width:290px}
.footer h4{font-family:"Noto Sans SC",sans-serif;font-size:14.5px;font-weight:700;color:#fff;margin-bottom:18px}
html[lang="en"] .footer h4{font-family:"Inter",sans-serif}
.footer li{margin-bottom:11px}
.footer li a{transition:color .25s var(--ease),padding-left .25s var(--ease)}
.footer li a:hover{color:#fff;padding-left:4px}
.footer-contact li{display:flex;gap:8px;line-height:1.8}
.footer-contact b{color:rgba(255,255,255,.85);font-weight:500;flex:none}
.social{display:flex;gap:10px;margin-top:26px}
.social a{width:34px;height:34px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.7);transition:background .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease)}
.social a:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.social svg{width:15px;height:15px;fill:currentColor}
.footer-bottom{margin-top:52px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.42)}
.footer-bottom nav{display:flex;gap:24px}
.footer-bottom a:hover{color:#fff}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  :root{--fs-display:46px;--fs-h2:30px}
  .nav-link{padding:0 10px;font-size:13px}
  .prod-strip{grid-template-columns:repeat(3,1fr)}
  .prod-card{border-bottom:1px solid var(--border)}
  .prod-card:nth-child(3n){border-right:0}
  .prod-card:nth-child(n+4){border-bottom:0}
  .split-grid,.why-grid{grid-template-columns:1fr;gap:32px}
  .sec-sub{max-width:none}
}
@media (max-width:900px){
  :root{--sec-y:60px;--fs-display:38px;--fs-h2:26px}
  .utility{display:none}
  .header .inner{height:64px}
  .nav,.header .btn{display:none}
  .burger{display:block}
  .mobile-nav{display:block;inset:64px 0 0}
  .hero{height:auto;min-height:0;padding:90px 0}
  .hero-inner{display:block}
  .hero h1 span{font-size:26px}
  .page-hero{height:260px}
  .page-hero h1{font-size:30px}
  .prod-strip{margin-top:-30px}
  .cards-3,.cards-2,.res-list{grid-template-columns:1fr;gap:16px}
  .why-items{grid-template-columns:1fr 1fr;gap:30px 24px}
  .contact-grid{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:640px){
  :root{--fs-display:31px;--gutter:18px;--sec-y:52px}
  .hero h1 span{font-size:21px}
  .prod-strip{grid-template-columns:repeat(2,1fr);margin-top:0}
  .prod-card:nth-child(2n){border-right:0}
  .prod-card:nth-child(3n){border-right:1px solid var(--border)}
  .prod-card:nth-child(n+4){border-bottom:1px solid var(--border)}
  .prod-card:nth-last-child(-n+2){border-bottom:0}
  .why-items{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:12px}
  .hero-actions .btn{flex:1 1 100%}
  .spec th{width:44%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* ============================================================
   v2 — Minimal header (no main nav bar), menu, product detail
   ============================================================ */
.hbar{height:74px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.hright{display:flex;align-items:center;gap:22px}
.hcontacts{display:flex;align-items:center;gap:20px}
.hutil{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--text-2);transition:color .25s var(--ease)}
.hutil:hover{color:var(--blue)}
.hutil .hi{width:15px;height:15px;display:inline-flex;color:var(--blue)}
.hutil .hi svg{width:100%;height:100%;fill:currentColor}
.lang-toggle{display:inline-flex;border:1px solid var(--border);background:#fff}
.lang-toggle .lang{height:30px;padding:0 13px;display:inline-flex;align-items:center;font-size:13px;color:var(--text-2);font-weight:500;transition:color .25s var(--ease),background .25s var(--ease)}
.lang-toggle .lang+.lang{border-left:1px solid var(--border)}
.lang-toggle .lang:hover{color:var(--blue)}
.lang-toggle .lang.is-active{color:var(--blue);background:rgba(22,77,166,.06);font-weight:600}
/* compact menu */
.hmenu{position:relative}
.hmenu-btn{display:inline-flex;align-items:center;gap:9px;height:40px;padding:0 16px;border:1px solid var(--border);background:#fff;cursor:pointer;font-size:13px;font-weight:500;color:var(--text);transition:border-color .25s var(--ease),color .25s var(--ease)}
.hmenu-btn:hover{border-color:var(--blue);color:var(--blue)}
.hmenu-btn>span{display:none}
.hmenu-btn em{font-style:normal}
.hmenu-panel{position:absolute;top:52px;right:0;min-width:190px;background:#fff;border:1px solid var(--border);border-top:2px solid var(--blue);box-shadow:0 14px 40px rgba(16,40,80,.12);opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s;padding:6px 0;z-index:60}
.hmenu-panel.is-open{opacity:1;visibility:visible;transform:none}
.hmenu-panel a{display:block;padding:11px 20px;font-size:14px;color:var(--text-2);transition:color .22s var(--ease),background .22s var(--ease),padding-left .22s var(--ease)}
.hmenu-panel a:hover{color:var(--blue);background:var(--bg-light);padding-left:25px}

/* centered section head */
.sec-head--center{text-align:center;max-width:640px;margin-left:auto;margin-right:auto;margin-bottom:44px}
.sec-head--center .sec-sub{margin-left:auto;margin-right:auto;max-width:520px}

/* product grid (homepage roofing) */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--border);border:1px solid var(--border)}
.prod-card{background:#fff;padding:38px 28px 32px;display:flex;flex-direction:column;align-items:flex-start;transition:background .35s var(--ease),transform .35s var(--ease)}
.prod-card:hover{background:var(--bg-light)}
.prod-icon{width:44px;height:44px;color:var(--blue);margin-bottom:20px;transition:transform .4s var(--ease)}
.prod-card:hover .prod-icon{transform:translateY(-3px) scale(1.06)}
.prod-icon svg{width:100%;height:100%;stroke:currentColor;fill:none;stroke-width:1.4;stroke-linejoin:round;stroke-linecap:round}
.prod-name{font-family:"Noto Sans SC",sans-serif;font-size:18px;font-weight:700;line-height:1.4}
html[lang="en"] .prod-name{font-family:"Inter",sans-serif;font-size:17px}
.prod-desc{margin-top:9px;font-size:13.5px;color:var(--text-2);line-height:1.7;flex:1}
.prod-more{display:inline-flex;align-items:center;gap:7px;margin-top:20px;font-size:13px;font-weight:500;color:var(--blue)}
.prod-more svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .35s var(--ease)}
.prod-card:hover .prod-more svg{transform:translateX(4px)}

/* icon media (products overview roofing cards) */
.media--icon{aspect-ratio:16/10;display:grid;place-items:center;background:var(--bg-light);color:var(--blue)}
.media--icon svg{width:60px;height:60px;stroke:currentColor;fill:none;stroke-width:1.3;stroke-linejoin:round;stroke-linecap:round}
.cards-3--tight{grid-template-columns:repeat(3,1fr)}

/* page hero plain (no image) */
.page-hero--plain{height:auto;background:var(--bg-light);color:var(--text);display:block;padding:56px 0 48px}
.page-hero--plain::after{display:none}
.page-hero--plain .container{position:static;color:var(--text)}
.page-hero--plain h1{color:var(--text)}
.page-hero--plain p{color:var(--text-2)}
.page-hero--plain .crumbs{color:var(--text-2)}
.page-hero--plain .crumbs a:hover{color:var(--blue)}
.crumbs--dark{color:var(--text-2);margin-bottom:14px}
.crumbs--dark a:hover{color:var(--blue)}

/* prose */
.prose{font-size:15px;line-height:1.95;color:var(--text-2);max-width:760px}

/* subcategory list (insulation) */
.sub-list{display:grid;gap:1px;background:var(--border);border:1px solid var(--border)}
.sub-item{background:#fff;padding:24px 26px}
.sub-h{font-family:"Noto Sans SC",sans-serif;font-size:16px;font-weight:700}
html[lang="en"] .sub-h{font-family:"Inter",sans-serif}
.sub-p{margin-top:8px;font-size:13.5px;color:var(--text-2);line-height:1.75}

/* tick list */
.tick-list{max-width:720px}
.tick-list li{position:relative;padding:11px 0 11px 28px;border-bottom:1px solid var(--border);font-size:14px}
.tick-list li::before{content:"";position:absolute;left:0;top:17px;width:14px;height:9px;border-left:2px solid var(--blue);border-bottom:2px solid var(--blue);transform:rotate(-45deg)}

/* why items 2-col variant */
.why-items--2{grid-template-columns:repeat(2,1fr)}

/* technical resources rows (pending state) */
.res-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.res-row{display:flex;align-items:center;gap:14px;padding:16px 18px;border:1px solid var(--border);background:#fff}
.res-row.is-pending{opacity:.72;background:var(--bg-light)}
.res-row .ico{width:26px;height:26px;flex:none;color:var(--blue)}
.res-row .ico svg{width:100%;height:100%;stroke:currentColor;fill:none;stroke-width:1.5}
.res-row .rt{font-size:14px;font-weight:600}
.res-row .rm{font-size:11.5px;color:var(--text-2);margin-top:2px}
.res-note{margin-top:18px;font-size:12.5px;color:var(--text-2);padding:14px 16px;background:var(--bg-light);border-left:3px solid var(--border);max-width:760px}

/* related systems */
.rel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.rel-card{display:flex;align-items:center;gap:12px;padding:18px 18px;border:1px solid var(--border);background:#fff;font-size:13.5px;font-weight:600;transition:border-color .3s var(--ease),transform .3s var(--ease)}
.rel-card:hover{border-color:var(--blue);transform:translateY(-3px)}
.rel-card .rel-ico{width:28px;height:28px;flex:none;color:var(--blue)}
.rel-card .rel-ico svg{width:100%;height:100%;stroke:currentColor;fill:none;stroke-width:1.4}
.rel-card .rel-name{flex:1}
.rel-card svg:last-child{width:13px;height:13px;stroke:var(--blue);fill:none;stroke-width:2;transition:transform .35s var(--ease)}
.rel-card:hover svg:last-child{transform:translateX(4px)}

/* cta phone */
.cta-phone{margin-top:14px;font-size:17px;font-weight:600}
.cta-phone a{color:#fff}
.form-note{margin-top:12px;font-size:11.5px;color:#8b93a1}

/* responsive additions */
@media (max-width:1080px){
  .hcontacts{display:none}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .hbar{height:64px}
  .hmenu-btn>span{display:block;position:relative;width:18px;height:1.5px;background:currentColor}
  .hmenu-btn>span::before,.hmenu-btn>span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:currentColor}
  .hmenu-btn>span::before{top:-5px}.hmenu-btn>span::after{top:5px}
  .hmenu-btn em{display:none}
  .why-items--2{grid-template-columns:1fr}
}
@media (max-width:640px){
  .prod-grid{grid-template-columns:1fr}
  .cards-3--tight{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .res-list{grid-template-columns:1fr}
  .lang-toggle .lang{padding:0 11px}
}