:root{
    color-scheme:light;
    --ink:#0A2A52; --steel:#2F5C8A; --paper:#F5F7FA; --paper-2:#E8EDF3;
    --accent:#1E6FC4; --accent-deep:#0F4C8C; --amber:#3C8A42; --white:#FFFFFF;
    --line: rgba(10,42,82,0.14); --text: #14304F; --text-soft: #57708F;
    --bg: var(--paper); --surface: var(--white);
    --font-head: 'Archivo', 'Arial Narrow', sans-serif;
    --font-body: 'Inter', -apple-system, sans-serif;
  }
  *{box-sizing:border-box;}
  body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-body);line-height:1.5;-webkit-font-smoothing:antialiased;}
  img,svg{max-width:100%;}
  a{color:inherit;}
  .wrap{max-width:1180px;margin:0 auto;padding:0 28px;}
  .overflow-x{overflow-x:auto;}

  header{position:sticky;top:0;z-index:30;background:var(--bg);border-bottom:1px solid var(--line);}
  .headerbar{display:flex;align-items:center;justify-content:space-between;padding:18px 28px;max-width:1180px;margin:0 auto;gap:16px;}
  .logo{display:flex;align-items:center;gap:8px;cursor:pointer;flex-shrink:0;}
  .logo .mark{width:26px;height:26px;border-radius:3px;background:var(--accent);display:inline-flex;align-items:center;justify-content:center;color:var(--white);font-size:0.7rem;font-weight:800;flex-shrink:0;}
  nav{display:flex;gap:24px;font-size:0.92rem;color:var(--text-soft);}
  nav button{
    background:none;border:none;font-family:inherit;font-size:0.92rem;color:var(--text-soft);
    cursor:pointer;padding:4px 0;border-bottom:2px solid transparent;white-space:nowrap;
  }
  nav button.active{color:var(--text);border-bottom-color:var(--accent);}
  nav button:hover{color:var(--accent-deep);}
  .cta-btn{background:var(--accent);color:var(--white);padding:10px 18px;border-radius:2px;font-weight:600;font-size:0.9rem;text-decoration:none;white-space:nowrap;border:none;cursor:pointer;font-family:inherit;}
  .navlinks{display:flex;align-items:center;gap:20px;}
  .lang-toggle{
    display:flex;border:1px solid var(--line);border-radius:2px;overflow:hidden;flex-shrink:0;
  }
  .lang-toggle button{
    background:var(--surface);border:none;font-family:var(--font-head);font-size:0.78rem;font-weight:700;
    color:var(--text-soft);padding:8px 12px;cursor:pointer;letter-spacing:0.02em;
  }
  .lang-toggle button.active{background:var(--ink);color:var(--white);}
  .mobile-nav{display:none;}
  @media (max-width:900px){
    nav{display:none;}
    .mobile-nav{display:flex;gap:6px;overflow-x:auto;padding:0 28px 14px;}
    .mobile-nav button{
      flex-shrink:0;background:var(--surface);border:1px solid var(--line);border-radius:2px;
      padding:8px 14px;font-size:0.85rem;color:var(--text-soft);font-family:inherit;white-space:nowrap;
    }
    .mobile-nav button.active{color:var(--text);border-color:var(--accent);}
  }
  @media (max-width:480px){
    .headerbar{padding:14px 16px;gap:8px;}
    .wrap{padding:0 16px;}
    .logo img{height:40px !important;}
    .navlinks{gap:10px;}
    .lang-toggle button{padding:7px 9px;font-size:0.72rem;}
    .cta-btn{padding:8px 12px;font-size:0.8rem;}
    .mobile-nav{padding:0 16px 14px;}
    section.block{padding:52px 0;}
    .hero{padding-top:44px;}
    .hero-grid{gap:32px;padding-bottom:36px;}
    .hero-ctas{gap:10px;}
    .btn-primary,.btn-secondary{padding:12px 16px;font-size:0.88rem;}
    .datasheet, .pl-copy, .pl-side, .contact-card{padding:24px;}
    .spec-panel{padding:20px;}
    .tl-row{grid-template-columns:1fr;gap:8px;}
    .gauge-num{font-size:2.1rem;}
  }

  footer{background:var(--ink);color:#A9BFD9;padding:52px 0 30px;border-top:1px solid rgba(234,241,248,0.12);}
  .foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;margin-bottom:36px;}
  @media (max-width:760px){ .foot-grid{grid-template-columns:1fr;} }
  .foot-grid h5{color:var(--white);font-family:var(--font-head);font-size:0.85rem;margin:0 0 14px;}
  .foot-grid button, .foot-grid a{display:block;color:#A9BFD9;text-decoration:none;font-size:0.9rem;margin-bottom:8px;background:none;border:none;font-family:inherit;cursor:pointer;padding:0;text-align:left;}
  .foot-bottom{border-top:1px solid rgba(234,241,248,0.12);padding-top:22px;font-size:0.8rem;color:#7893B3;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;}

      .btn-primary,.btn-secondary{padding:12px 16px;font-size:0.88rem;}
  .btn-primary{background:var(--accent);color:var(--white);padding:14px 22px;border-radius:2px;font-weight:600;text-decoration:none;font-size:0.95rem;display:inline-block;border:none;cursor:pointer;font-family:inherit;}
  .btn-secondary{border:1px solid rgba(237,234,226,0.35);color:var(--paper);padding:14px 22px;border-radius:2px;font-weight:600;text-decoration:none;font-size:0.95rem;background:none;cursor:pointer;font-family:inherit;}
  section.block{padding:80px 0;}
  .section-head{max-width:560px;margin-bottom:48px;}
  .kicker{color:var(--accent-deep);font-weight:600;font-size:0.85rem;margin-bottom:10px;}
  .section-head h2{font-family:var(--font-head);font-weight:700;font-size:clamp(1.6rem,3vw,2.2rem);margin:0 0 12px;letter-spacing:-0.01em;}
  .section-head p{color:var(--text-soft);font-size:1rem;margin:0;max-width:480px;}
  .pg-banner{background:linear-gradient(100deg,rgba(8,29,56,0.94) 0%,rgba(8,29,56,0.84) 45%,rgba(8,29,56,0.58) 100%),var(--pg-img) var(--pg-pos,center) / cover no-repeat;color:var(--paper);padding:72px 0 56px;border-bottom:1px solid rgba(234,241,248,0.12);}
  .pg-banner .section-head{margin:0 !important;max-width:640px;}
  .pg-banner .kicker{color:#7DBBFF;}
  .pg-banner h1,.pg-banner h2{color:var(--white);}
  .pg-banner p{color:#C7D6E8;}
  :root{--bv-blu:#0F4C8C;--bv-vera:#2E8B2E;}
  .hero,.pg-banner,.sustain-hero,.scr-block,.process,.pl-side,.highlight-strip,.spec-panel,footer{--bv-blu:#4DA3FF;--bv-vera:#6CC04A;}
  .bv-blu{color:var(--bv-blu);}
  .bv-vera{color:var(--bv-vera);}

  nav a,.mobile-nav a{text-decoration:none;}
  nav a{font-size:0.92rem;color:var(--text-soft);padding:4px 0;border-bottom:2px solid transparent;white-space:nowrap;}
  nav a:hover{color:var(--accent-deep);} nav a.active{color:var(--text);border-bottom-color:var(--accent);}
  .mobile-nav a{flex-shrink:0;background:var(--surface);border:1px solid var(--line);border-radius:2px;padding:8px 14px;font-size:0.85rem;color:var(--text-soft);white-space:nowrap;}
  .mobile-nav a.active{color:var(--text);border-color:var(--accent);}
  .lang-toggle a{background:var(--surface);font-family:var(--font-head);font-size:0.78rem;font-weight:700;color:var(--text-soft);padding:8px 12px;letter-spacing:0.02em;text-decoration:none;}
  .lang-toggle a.active{background:var(--ink);color:var(--white);}
  .pg-banner h1{font-family:var(--font-head);font-weight:700;font-size:clamp(1.9rem,3.8vw,2.7rem);margin:0 0 14px;letter-spacing:-0.01em;max-width:760px;line-height:1.12;}
  .pg-banner p{max-width:640px;margin:0;font-size:1.02rem;}
  .meta{font-size:0.82rem;color:#9FB6D2;margin-top:16px;}
  .post-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;}
  .post-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:3px;padding:28px;text-decoration:none;color:var(--text);transition:border-color .15s,transform .15s;}
  .post-card:hover{border-color:var(--accent);transform:translateY(-2px);}
  .post-card .tag{font-size:0.78rem;font-weight:700;color:var(--accent-deep);letter-spacing:0.04em;text-transform:uppercase;margin-bottom:12px;}
  .post-card h2{font-family:var(--font-head);font-size:1.28rem;line-height:1.25;margin:0 0 12px;}
  .post-card p{color:var(--text-soft);font-size:0.95rem;margin:0 0 18px;flex:1;}
  .post-card .more{color:var(--accent-deep);font-weight:600;font-size:0.9rem;}
  article.post{max-width:720px;margin:0 auto;padding:56px 28px 20px;}
  article.post h2{font-family:var(--font-head);font-size:1.5rem;margin:40px 0 12px;letter-spacing:-0.01em;line-height:1.2;}
  article.post p,article.post li{font-size:1.04rem;line-height:1.7;color:var(--text);}
  article.post li{margin-bottom:8px;}
  article.post .lead{font-size:1.18rem;color:var(--text-soft);}
  article.post .callout{border-left:3px solid var(--accent);background:var(--surface);padding:16px 20px;margin:28px 0;border-radius:0 3px 3px 0;}
  article.post .callout p{margin:0;font-size:0.98rem;}
  .post-cta{max-width:720px;margin:20px auto 70px;padding:0 28px;}
  .post-cta{--bv-blu:#4DA3FF;--bv-vera:#6CC04A;}
  .post-cta div{background:var(--ink);color:var(--paper);padding:30px;border-radius:3px;}
  .post-cta h3{font-family:var(--font-head);margin:0 0 8px;font-size:1.25rem;color:var(--white);}
  .post-cta p{margin:0 0 18px;color:#C7D6E8;}
  .related{max-width:720px;margin:0 auto;padding:0 28px 60px;}
  .related h4{font-family:var(--font-head);margin:0 0 12px;}
  .related a{display:block;color:var(--accent-deep);font-weight:600;text-decoration:none;margin-bottom:8px;}
  @media (max-width:480px){article.post{padding:36px 16px 10px;}.post-cta,.related{padding-left:16px;padding-right:16px;}}

  /* ---- Mobile header: slim frosted bar + drawer menu ---- */
  .menu-btn{display:none;}
  @media (max-width:900px){
    header{background:color-mix(in srgb,var(--bg) 86%,transparent);-webkit-backdrop-filter:saturate(1.5) blur(12px);backdrop-filter:saturate(1.5) blur(12px);box-shadow:0 1px 0 var(--line),0 6px 20px rgba(8,29,56,0.06);}
    .headerbar{padding:9px 16px;gap:10px;}
    .logo img{height:54px !important;width:auto;}
    .navlinks{gap:10px;}
    .navlinks .cta-btn{display:none;}
    .lang-toggle{border-radius:999px;}
    .lang-toggle button,.lang-toggle a{padding:7px 12px;font-size:0.74rem;}
    .menu-btn{display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:var(--surface);cursor:pointer;padding:0;}
    .menu-btn span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s,opacity .2s;}
    header.open .menu-btn span:nth-child(1){transform:translateY(7px) rotate(45deg);}
    header.open .menu-btn span:nth-child(2){opacity:0;}
    header.open .menu-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
    .mobile-nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;overflow:visible;padding:6px 16px 18px;background:var(--bg);border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(8,29,56,0.18);}
    header.open .mobile-nav{display:flex;}
    .mobile-nav button,.mobile-nav a,.mobile-nav a.blog-link{background:none;border:none;border-bottom:1px solid var(--line);border-radius:0;padding:15px 4px;font-size:1.02rem;font-weight:500;color:var(--text);text-align:left;width:100%;}
    .mobile-nav button.active,.mobile-nav a.active,.mobile-nav a.blog-link.active{color:var(--accent-deep);border-color:var(--line);font-weight:700;}
    .mobile-nav a.mn-wa{background:var(--accent);color:var(--white);border:none;border-radius:3px;margin-top:16px;text-align:center;font-weight:700;}
  }
  @media (max-width:480px){
    .headerbar{padding:8px 14px;}
    .logo img{height:52px !important;}
    .mobile-nav{padding-left:14px;padding-right:14px;}
  }

  /* ---- Nav icons ---- */
  nav a[data-nav],.mobile-nav a[data-nav]{display:inline-flex;align-items:center;gap:7px;}
  nav a[data-nav]::before,.mobile-nav a[data-nav]::before{content:'';width:17px;height:17px;flex:none;background:currentColor;-webkit-mask:var(--ic) center/contain no-repeat;mask:var(--ic) center/contain no-repeat;}
  [data-nav="home"]{--ic:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22black%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M3%2011l9-8%209%208%22/%3E%3Cpath%20d%3D%22M5%2010v10h5v-6h4v6h5V10%22/%3E%3C/svg%3E");}
  [data-nav="about"]{--ic:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22black%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Ccircle%20cx%3D%2212%22%20cy%3D%2212%22%20r%3D%229%22/%3E%3Cpath%20d%3D%22M12%2011v5%22/%3E%3Ccircle%20cx%3D%2212%22%20cy%3D%228%22%20r%3D%22.6%22/%3E%3C/svg%3E");}
  [data-nav="products"]{--ic:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22black%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M3%208l9-5%209%205v8l-9%205-9-5z%22/%3E%3Cpath%20d%3D%22M3%208l9%205%209-5M12%2013v8%22/%3E%3C/svg%3E");}
  [data-nav="quality"]{--ic:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22black%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M12%203l8%203v6c0%205-3.5%208-8%209-4.5-1-8-4-8-9V6z%22/%3E%3Cpath%20d%3D%22M8.5%2012l2.5%202.5L16%209.5%22/%3E%3C/svg%3E");}
  [data-nav="coverage"]{--ic:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22black%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M12%2021s7-6.2%207-12a7%207%200%2010-14%200c0%205.8%207%2012%207%2012z%22/%3E%3Ccircle%20cx%3D%2212%22%20cy%3D%229%22%20r%3D%222.5%22/%3E%3C/svg%3E");}
  [data-nav="sustain"]{--ic:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22black%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M5%2019c0-9%205-14%2015-14%200%2010-5%2015-14%2015%22/%3E%3Cpath%20d%3D%22M5%2019c2-5%205-8%209-10%22/%3E%3C/svg%3E");}
  [data-nav="pl"]{--ic:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22black%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M3%2012V4h8l10%2010-8%208z%22/%3E%3Ccircle%20cx%3D%227.5%22%20cy%3D%228.5%22%20r%3D%221%22/%3E%3C/svg%3E");}
  [data-nav="blog"]{--ic:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22black%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M4%205a2%202%200%20012-2h12v16H6a2%202%200%2000-2%202z%22/%3E%3Cpath%20d%3D%22M8%208h6M8%2012h6%22/%3E%3Cpath%20d%3D%22M4%2019v-1%22/%3E%3C/svg%3E");}
  [data-nav="contact"]{--ic:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22black%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M21%2012a8.5%208.5%200%2001-12.6%207.4L3%2021l1.7-5A8.5%208.5%200%201121%2012z%22/%3E%3C/svg%3E");}
  [data-nav="gallery"]{--ic:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22black%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Crect%20x%3D%223%22%20y%3D%225%22%20width%3D%2218%22%20height%3D%2214%22%20rx%3D%222%22/%3E%3Ccircle%20cx%3D%228.5%22%20cy%3D%2210%22%20r%3D%221.6%22/%3E%3Cpath%20d%3D%22M21%2016l-5-5-9%208%22/%3E%3C/svg%3E");}
  nav{gap:18px;}
  @media (min-width:901px) and (max-width:1500px){nav{gap:11px;font-size:.8rem;}nav a,nav a.blog-link{font-size:.8rem;}nav a[data-nav]{gap:5px;}nav a[data-nav]::before{width:14px;height:14px;}}
  @media (min-width:901px) and (max-width:1180px){nav a[data-nav],nav a.blog-link{font-size:0;gap:0;}nav a[data-nav]::before{width:20px;height:20px;}nav{gap:14px;}nav a.active{font-size:.8rem;gap:6px;}nav a.active::before{width:16px;height:16px;}}
  .mobile-nav a[data-nav]{gap:12px;}
  .mobile-nav a[data-nav]::before{width:20px;height:20px;}
  .mobile-nav a.mn-wa::before{display:none;}

  /* ---- Flags in language toggle ---- */
  .lang-toggle a[hreflang]{display:inline-flex;align-items:center;gap:7px;}
  .lang-toggle a[hreflang]::before{content:'';width:18px;height:12px;border-radius:2px;flex:none;box-shadow:0 0 0 1px rgba(0,0,0,.18);background:var(--fl) center/cover no-repeat;}
  .lang-toggle a[hreflang="en"]{--fl:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%2060%2040%22%3E%3Crect%20width%3D%2260%22%20height%3D%2240%22%20fill%3D%22%23012169%22/%3E%3Cpath%20d%3D%22M0%200l60%2040M60%200L0%2040%22%20stroke%3D%22%23fff%22%20stroke-width%3D%228%22/%3E%3Cpath%20d%3D%22M0%200l60%2040M60%200L0%2040%22%20stroke%3D%22%23C8102E%22%20stroke-width%3D%223%22/%3E%3Cpath%20d%3D%22M30%200v40M0%2020h60%22%20stroke%3D%22%23fff%22%20stroke-width%3D%2213%22/%3E%3Cpath%20d%3D%22M30%200v40M0%2020h60%22%20stroke%3D%22%23C8102E%22%20stroke-width%3D%228%22/%3E%3C/svg%3E");}
  .lang-toggle a[hreflang="sq"]{--fl:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%2060%2040%22%3E%3Crect%20width%3D%2260%22%20height%3D%2240%22%20fill%3D%22%23E41E20%22/%3E%3Cg%20fill%3D%22%23000%22%3E%3Cpath%20d%3D%22M30%209l-3%203-5-3%202%205-6%202%206%202-3%205%205-2%202%204h4l2-4%205%202-3-5%206-2-6-2%202-5-5%203z%22/%3E%3Cpath%20d%3D%22M30%2018l-4%204%202%206h4l2-6z%22/%3E%3Ccircle%20cx%3D%2227%22%20cy%3D%229%22%20r%3D%222%22/%3E%3Ccircle%20cx%3D%2233%22%20cy%3D%229%22%20r%3D%222%22/%3E%3C/g%3E%3C/svg%3E");}
  @media (max-width:480px){.lang-toggle a[hreflang]{gap:5px;}.lang-toggle a[hreflang]::before{width:16px;height:11px;}}

  /* ---- Products dropdown ---- */
  .dd{position:relative;display:inline-flex;align-items:center;}
  .dd-toggle::after{content:'';display:inline-block;width:6px;height:6px;margin-left:7px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:translateY(-2px) rotate(45deg);}
  .dd-menu{display:none;position:absolute;top:100%;left:-14px;min-width:220px;flex-direction:column;gap:2px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 14px 34px rgba(8,29,56,.16);padding:8px;z-index:60;}
  .dd-menu::before{content:'';position:absolute;left:0;right:0;top:-12px;height:12px;}
  .dd:hover .dd-menu,.dd:focus-within .dd-menu{display:flex;}
  nav .dd-menu a{padding:10px 12px;border-bottom:none;border-radius:6px;font-size:.92rem;color:var(--text);width:100%;}
  nav .dd-menu a:hover{background:var(--surface);color:var(--accent-deep);}
  .mobile-nav a.sub{padding-left:40px;font-size:.95rem;color:var(--text-soft);}