:root{--bg:#f6f6f7;--surface:#fff;--ink:#23272b;--muted:#5a6168;--line:#dcdfe2;--red:#c8102e;--dark:#2b2f33;--on-dark:#f2f3f4;box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#15171a;--surface:#1e2226;--ink:#eceef0;--muted:#a3aab1;--line:#32383e;--red:#ee3b56;--dark:#0f1113}}
:root[data-theme="dark"]{--bg:#15171a;--surface:#1e2226;--ink:#eceef0;--muted:#a3aab1;--line:#32383e;--red:#ee3b56;--dark:#0f1113}
*,*::before,*::after{box-sizing:inherit}html{scroll-padding-top:calc(64px + env(safe-area-inset-top,0px));scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 -apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
a{color:inherit}:focus-visible{outline:3px solid var(--red);outline-offset:2px}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--surface);color:var(--ink);border-bottom:3px solid var(--red)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}
.brand{display:flex;align-items:center}.logo{display:block;height:42px;width:auto;max-width:100%;object-fit:contain}@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .logo{filter:brightness(1.3)}}
nav{display:flex;gap:18px;font-size:14px;align-items:center}nav a{text-decoration:none;opacity:.85}nav a:hover{opacity:1;text-decoration:underline}
.menu-toggle{display:none;align-items:center;justify-content:center;flex-direction:column;gap:5px;width:42px;height:42px;padding:9px;border:1px solid var(--line);border-radius:4px;background:var(--surface);color:var(--ink);cursor:pointer}
.menu-toggle span{display:block;width:20px;height:2px;background:currentColor;border-radius:2px}
.menu-toggle:focus-visible{outline:3px solid var(--red);outline-offset:3px}
.lang a{border:1px solid var(--line);border-radius:4px;padding:4px 9px;font-weight:700;opacity:1}
.hero{background:linear-gradient(rgba(20,23,26,.86),rgba(20,23,26,.7)),url(/img/hero.jpg) center/cover var(--dark);color:var(--on-dark);padding:72px 0 0}
.phero{background:linear-gradient(rgba(20,23,26,.86),rgba(20,23,26,.68)),var(--img) center/cover var(--dark);color:#fff;padding:52px 0 44px}.phero .crumb,.phero .crumb a{color:rgba(255,255,255,.8)}.phero .tag{color:#ff8497}.plead{max-width:68ch;margin:12px 0 0;font-size:17px;opacity:.92}
.ph{background:#fff;border-radius:3px;margin:-6px -6px 14px}.ph img{display:block;width:100%;height:170px;object-fit:contain}
h1{font-size:clamp(30px,5vw,50px);line-height:1.1;margin:0 0 18px;font-weight:800;max-width:22ch}
.h1s{font-size:clamp(28px,4vw,40px);max-width:none;margin:0 0 6px}
.hero p{font-size:18px;max-width:58ch;margin:0 0 28px;opacity:.88}
.btn{display:inline-block;padding:13px 22px;font-weight:700;text-decoration:none;background:var(--red);color:#fff;border-radius:4px}
.btn.ghost{background:none;border:2px solid currentColor;margin-left:10px}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin-top:56px;background:#44494f}
.facts div{background:var(--dark);padding:20px 20px 24px;font-size:14px;opacity:1}.facts strong{display:block;font-size:24px;color:#fff}
section{padding:60px 0}.band{background:var(--surface);border-block:1px solid var(--line)}
h2{font-size:clamp(24px,3.4vw,34px);margin:0 0 10px;line-height:1.2}
h2::after{content:"";display:block;width:48px;height:4px;background:var(--red);margin-top:10px}
.lead{color:var(--muted);max-width:68ch;margin:14px 0 30px}.mu{color:var(--muted);margin:0}
.grid{display:grid;gap:20px}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-top:4px solid var(--red);padding:22px}.band .card{background:var(--bg)}
.card h3,h3{margin:0 0 4px;font-size:19px}.card p{margin:0 0 10px;color:var(--muted)}
.tag{color:var(--red);font-weight:700;font-size:14px;margin:0 0 10px}
.models{font-size:14px;border-top:1px solid var(--line);padding-top:10px;margin-top:6px}
.more{color:var(--red);font-weight:700;text-decoration:none}.more:hover{text-decoration:underline}
.crumb{font-size:14px;color:var(--muted);margin:0 0 14px}
footer{background:var(--dark);color:var(--on-dark);padding:22px 0;font-size:14px}footer p{margin:0}
@media (max-width:820px){
  header .wrap{position:relative}
  .menu-toggle{display:flex;flex:0 0 auto}
  header nav{display:none;position:absolute;top:60px;left:0;right:0;z-index:10;flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 14px;background:var(--surface);border-bottom:3px solid var(--red);box-shadow:0 8px 16px rgba(0,0,0,.12)}
  header nav.is-open{display:flex}
  header nav>a{display:block;padding:11px 4px;border-bottom:1px solid var(--line);opacity:1}
  header nav .lang{padding-top:10px}
  header nav .lang a{display:inline-block}
  .g3,.g2,.facts{grid-template-columns:1fr}.btn.ghost{margin:10px 0 0}section{padding:44px 0}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Articles index — lightweight static structure */
.article-intro{max-width:72ch}
.article-empty{border:1px dashed var(--line);border-radius:4px;padding:28px;background:var(--surface);color:var(--muted);max-width:760px}
.article-empty h2{color:var(--ink)}
.article-empty h2::after{display:none}
.article-note{font-size:14px;color:var(--muted)}


/* Article pages */
.article-wrap{max-width:820px}
.article-wrap h2{margin-top:38px}
.article-wrap h2::after{margin-top:12px}
.article-wrap p,.article-wrap li{max-width:76ch}
.article-wrap ul{padding-left:24px}
.article-hero{margin:24px 0 28px;background:var(--surface);border:1px solid var(--line);border-radius:4px;overflow:hidden}
.article-hero img{display:block;width:100%;height:auto;max-height:460px;object-fit:contain;background:#fff;padding:12px}
.article-hero figcaption{padding:10px 14px;color:var(--muted);font-size:13px;border-top:1px solid var(--line)}
.article-callout{background:var(--surface);border-left:4px solid var(--red);padding:18px 20px;margin:18px 0}
.article-callout h3{margin:0 0 8px}
.article-callout p{margin:0}
.article-cta{background:var(--surface);border:1px solid var(--line);border-top:4px solid var(--red);padding:24px;margin:36px 0}
.article-cta h2{margin-top:0}
.article-cta h2::after{display:none}
.article-source{font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:16px;margin-top:30px}
.article-listing{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:20px;margin-top:28px}
.article-card{background:var(--surface);border:1px solid var(--line);border-top:4px solid var(--red);padding:22px}
.article-card h2{font-size:23px;margin:0 0 10px}
.article-card h2::after{display:none}
.article-card p{color:var(--muted)}
.article-meta{font-size:13px;color:var(--muted);margin-bottom:8px}

/* Batch 01: product gallery image consistency */
.article-hero img{max-width:100%;height:auto;display:block;}

.article-related{margin:32px 0;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:4px}.article-related h2{margin:0 0 12px}.article-related h2::after{display:none}.article-related ul{margin:0;padding-left:22px}.article-related li{margin:6px 0}.article-related a{color:var(--red);font-weight:600}

/* Product-category cards: consistent manufacturer imagery */
.card-photo{margin:-22px -22px 16px;background:#fff;border-bottom:1px solid var(--line);overflow:hidden}
.card-photo img{display:block;width:100%;height:156px;object-fit:contain;padding:10px}
.card-photo.fab-reference img{height:156px;padding:8px}
@media (max-width:820px){.card-photo img{height:170px}}


/* Batch 05: brand dropdown navigation */
.nav-products{position:relative;display:block}
.nav-products-main{display:flex;align-items:center;gap:3px}
.nav-products-link{display:inline-block;padding:8px 0}
.products-toggle{display:inline-flex;align-items:center;justify-content:center;border:0;background:transparent;color:inherit;opacity:.8;padding:6px 5px;cursor:pointer;font:inherit;line-height:1;border-radius:3px}
.products-toggle:hover{background:var(--bg);opacity:1}
.products-submenu{display:none;position:absolute;top:100%;left:-12px;min-width:180px;padding:6px;background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--red);box-shadow:0 8px 18px rgba(0,0,0,.12);z-index:20}
.products-submenu a{display:block;padding:9px 12px;text-decoration:none;white-space:nowrap;opacity:1;border-radius:2px}
.products-submenu a:hover,.products-submenu a:focus-visible{background:var(--bg);text-decoration:none}
.nav-products:hover .products-submenu,.nav-products:focus-within .products-submenu,.products-submenu.is-open{display:block}
@media (max-width:820px){
 header nav .nav-products{border-bottom:1px solid var(--line)}
 header nav .nav-products-main{justify-content:space-between}
 header nav .nav-products-link{display:block;flex:1;padding:11px 4px;border:0}
 header nav .products-toggle{width:38px;height:38px;border:1px solid var(--line);margin:3px 0}
 header nav .products-submenu{position:static;min-width:0;border:0;border-left:3px solid var(--red);box-shadow:none;margin:0 0 8px 8px;padding:2px 0 2px 6px;background:transparent}
 header nav .products-submenu a{white-space:normal;padding:9px 10px;border-bottom:0}
 header nav .nav-products:hover .products-submenu:not(.is-open){display:none}
 header nav .nav-products:focus-within .products-submenu.is-open,header nav .products-submenu.is-open{display:block}
}