:root{
  --page:#f4f5f4;--surface:#fff;--surface2:#f8f9f8;--ink:#172128;--ink2:#34444e;--muted:#6d7a82;
  --line:#d9dede;--line2:#c5cdce;--navy:#16384c;--navy2:#122c3b;--steel:#2f6079;--steel2:#eaf1f4;
  --amber:#c97b23;--amber2:#a96319;--green:#3f7755;--green2:#eef7f1;--red:#963c36;
  --r:9px;--max:1280px;--shadow:0 10px 28px rgba(23,33,40,.07)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--page);color:var(--ink);font:15px/1.55 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
img{max-width:100%;height:auto;display:block}
a{color:var(--steel);text-underline-offset:3px}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.container{width:min(calc(100% - 32px),var(--max));margin:auto}
.skip{position:fixed;z-index:999;left:10px;top:10px;background:#fff;color:var(--ink);border:2px solid var(--navy);border-radius:6px;padding:8px 12px;transform:translateY(-170%)}
.skip:focus{transform:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #f0a44f;outline-offset:2px}
h1,h2,h3{margin:0;line-height:1.16;letter-spacing:-.024em;color:var(--ink)}
h1{font-size:clamp(32px,4vw,48px)}h2{font-size:26px}h3{font-size:17px}
p{margin-top:0}
.kicker{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--steel);font-weight:900}
.lead{font-size:17px;color:var(--ink2);max-width:76ch}
.muted{color:var(--muted)}
.small{font-size:12px}.tiny{font-size:10px}
.card,.section{background:var(--surface);border:1px solid var(--line);border-radius:var(--r)}
.section{padding:22px;margin-bottom:16px}
.section-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(250px,.44fr);gap:28px;align-items:end;margin-bottom:15px}
.section-head p{margin:0;color:var(--muted);font-size:12.5px}
.hero{padding:38px 0 24px}.hero .lead{margin:10px 0 0}
.hero-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.stack{display:grid;gap:10px}
.badge{display:inline-flex;align-items:center;padding:4px 7px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:10px;font-weight:850;color:var(--ink2)}
.badge-green{border-color:#cfe0d3;background:var(--green2);color:#315f43}
.badge-amber{border-color:#edd9be;background:#fff7ea;color:#7d541d}
.rule{height:1px;background:var(--line);margin:16px 0}
.note{border-left:4px solid var(--amber);background:#fff8ee;padding:12px;border-radius:0 6px 6px 0;font-size:12px}
.metric{background:#fff;border:1px solid var(--line);padding:13px}.metric b{display:block;font-size:18px}.metric span{font-size:11px;color:var(--muted)}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:16px 0}

/* Brand / header */
.site-header{background:var(--navy);color:#fff;border-bottom:1px solid #295165}
.site-header .container{min-height:78px;display:grid;grid-template-columns:270px minmax(320px,1fr) auto;align-items:center;gap:24px}
.brand{display:inline-flex;align-items:center;gap:12px;color:#fff;text-decoration:none}
.brand-mark{width:46px;height:46px;flex:0 0 46px}.brand-copy{line-height:1}.brand-name{font-size:21px;font-weight:900;letter-spacing:.045em}.brand-name span{font-weight:650;color:#c9d6db}.brand-tag{display:block;margin-top:6px;font-size:8.5px;letter-spacing:.18em;font-weight:800;color:#9eb3bd}
.search{display:flex}.search input{width:100%;height:42px;border:1px solid #8ba0aa;border-right:0;border-radius:7px 0 0 7px;padding:0 13px;background:#fff;color:var(--ink)}.search button{height:42px;border:0;border-radius:0 7px 7px 0;background:#2b5c75;color:#fff;font-weight:850;padding:0 18px}
.header-actions{display:flex;gap:8px}
.main-nav{background:var(--navy2);border-bottom:1px solid #27495b}.main-nav .container{min-height:42px;display:flex;align-items:center;gap:24px;overflow:auto}.main-nav a{font-size:13px;font-weight:750;color:#e5edf0;text-decoration:none;white-space:nowrap}.main-nav a:hover{color:#fff}
.breadcrumbs{padding:14px 0;font-size:12px;color:var(--muted)}.breadcrumbs a{color:inherit}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:42px;padding:10px 15px;border-radius:7px;border:1px solid transparent;text-decoration:none;font-weight:850;white-space:nowrap}
.btn-primary{background:var(--amber);border-color:var(--amber);color:#fff}.btn-primary:hover{background:var(--amber2)}
.btn-secondary{background:#fff;border-color:var(--line2);color:var(--ink)}.btn-secondary:hover{background:#fafbfb}
.btn-dark{background:#214b61;color:#fff;border-color:#4a7083}
.btn-soft{background:var(--steel2);color:var(--navy);border-color:#c9d9df}
.btn-block{width:100%}

/* assistant */
.ai-link{display:inline-flex;align-items:center;gap:8px;color:#fff;border:1px solid #7393a3;background:#1d4559;border-radius:7px;padding:10px 13px;text-decoration:none;font-weight:850}
.ai-dot{width:18px;height:18px;border:1.5px solid currentColor;border-radius:50%;display:inline-grid;place-items:center;font-size:9px;font-weight:900}
.ai-panel{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;background:#eef4f6;border:1px solid #cbd9df;border-left:4px solid var(--steel);border-radius:7px;padding:15px}
.ai-float{position:fixed;right:18px;bottom:18px;z-index:70;display:flex;align-items:center;gap:8px;background:#173b4e;color:#fff;border:1px solid #52788b;border-radius:999px;padding:11px 15px;box-shadow:var(--shadow);text-decoration:none;font-weight:850;font-size:12px}.ai-float small{display:block;color:#b9cbd3;font-size:9px}

/* Product */
.product-hero{display:grid;grid-template-columns:minmax(410px,.92fr) minmax(0,1.08fr);gap:22px;align-items:stretch}
.media-card{padding:17px}.media-stage{min-height:470px;display:grid;place-items:center;background:#fafafa;border:1px solid #e3e6e6;border-radius:7px;overflow:hidden}.product-silhouette{width:82%;aspect-ratio:4/3;border:1px solid #cbd3d4;border-radius:16px;background:linear-gradient(145deg,#dfe4e5,#fafbfb 47%,#ccd3d4);display:grid;place-items:center;font-size:28px;font-weight:900;color:#40535c;box-shadow:inset 0 0 0 20px rgba(255,255,255,.32)}.media-foot{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:11px;padding-top:9px}
.product-panel{padding:21px}.product-panel .subhead{font-size:16px;color:var(--ink2);margin:10px 0 0}
.identity{margin-top:14px;display:grid;grid-template-columns:repeat(2,1fr);gap:7px}.identity-item{background:#fafbfb;border:1px solid var(--line);border-radius:6px;padding:8px 10px}.identity-item small{display:block;font-size:9.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:850}.identity-item b{display:block;font-size:13px}
.statusline{display:grid;grid-template-columns:1.15fr .85fr;gap:7px;margin-top:8px}.status,.condition{padding:9px 10px;border-radius:6px;font-size:12px}.status{background:var(--green2);border:1px solid #cfdfd4;color:#315f43;font-weight:850}.condition{background:#fafbfb;border:1px solid var(--line)}
.action-box{margin-top:13px;background:#f7f9f9;border:1px solid #cfd6d8;border-radius:7px;padding:13px}.action-buttons{display:grid;grid-template-columns:1.25fr .8fr .8fr;gap:7px}.action-buttons .btn{width:100%}
.quote-form,.form-grid{display:grid;grid-template-columns:1.25fr .65fr;gap:7px}.quote-form{margin-top:10px}.field{display:flex;flex-direction:column;gap:4px}.field label{font-size:9.5px;font-weight:850;color:#55656d;text-transform:uppercase;letter-spacing:.05em}.field input,.field textarea,.field select{width:100%;border:1px solid var(--line2);border-radius:6px;background:#fff;padding:8px 10px;color:var(--ink)}.field-full,.form-grid .full{grid-column:1/-1}.form-submit{grid-column:1/-1;display:flex;align-items:center;gap:8px}.form-note{font-size:10px;color:var(--muted)}
.trustbar{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:var(--line);border-radius:7px;overflow:hidden;margin-top:12px}.trustbar>div{background:#fff;padding:9px 10px}.trustbar b{display:block;font-size:11.5px}.trustbar span{display:block;font-size:9.5px;color:var(--muted)}
.quickbar{display:grid;grid-template-columns:repeat(6,1fr);border:1px solid var(--line);background:var(--line);border-radius:8px;overflow:hidden;margin-top:14px}.quickbar>div{background:#fff;padding:10px 12px}.quickbar small{display:block;color:var(--muted);font-size:9.5px;font-weight:850;text-transform:uppercase;letter-spacing:.05em}.quickbar b{display:block;font-size:14px}
.anchor{position:sticky;top:0;z-index:30;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.anchor .container{display:flex;justify-content:center;overflow:auto}.anchor a{padding:12px 14px;text-decoration:none;color:#53656e;font-size:10.5px;text-transform:uppercase;font-weight:900;white-space:nowrap;border-bottom:3px solid transparent}.anchor a:hover{color:var(--steel);border-bottom-color:var(--amber)}
.specs{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:7px;overflow:hidden}.specs th,.specs td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}.specs tr:last-child th,.specs tr:last-child td{border-bottom:0}.specs th{width:34%;background:#f4f6f6;color:#44555c;font-size:11.5px}.specs td{font-weight:650;font-size:12.5px}
.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin:0;padding:0;list-style:none}.feature-list li{padding:10px 11px;border-left:3px solid #94abb5;background:#f7f9f9;font-size:12px}.feature-list b{display:block}
.compat-grid,.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.compat,.related{border:1px solid var(--line);border-radius:7px;padding:13px;background:#fbfcfc}.compat p,.related p{font-size:11px;color:var(--muted)}
.docs-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.doc{display:flex;justify-content:space-between;gap:14px;border:1px solid var(--line);border-radius:6px;padding:11px 12px;text-decoration:none;background:#fff}.doc b{display:block;color:var(--ink);font-size:12px}.doc span{display:block;color:var(--muted);font-size:10px}
.policy-table{display:grid;grid-template-columns:185px 1fr;border:1px solid var(--line);border-radius:7px;overflow:hidden}.policy-table div{padding:10px 12px;border-bottom:1px solid var(--line)}.policy-label{background:#f4f6f6;font-weight:850;font-size:11px}.policy-value{font-size:12px;color:var(--ink2)}

/* Categories / PLPs */
.category-tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.category-tile{padding:15px;text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:8px}.category-tile h3{margin-bottom:5px}.category-tile p{font-size:11px;color:var(--muted);margin:0}
.listing{display:grid;grid-template-columns:250px minmax(0,1fr);gap:18px;align-items:start}.filters{position:sticky;top:12px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px}.filter-group{padding:12px 0;border-top:1px solid var(--line)}.filter-group:first-child{padding-top:0;border-top:0}.filter-group h3{font-size:12px;margin-bottom:8px}.filter-group label{display:flex;gap:7px;align-items:center;margin:7px 0;font-size:12px;color:var(--ink2)}
.toolbar{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:10px}.chips{display:flex;gap:6px;flex-wrap:wrap}
.product-table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden}.product-table th,.product-table td{padding:10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}.product-table th{background:#f1f4f4;color:#53636b;font-size:10px;text-transform:uppercase;letter-spacing:.05em}.product-table td{font-size:12px}.product-table tr:last-child td{border-bottom:0}.product-table .model{font-size:13px;font-weight:900}.mini-img{width:58px;height:46px;background:#edf1f1;border:1px solid #d9dede;border-radius:5px}
.product-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.product-card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px}.product-card .img{aspect-ratio:4/3;background:#f0f3f3;border:1px solid #e0e5e5;border-radius:5px;display:grid;place-items:center;color:#849197;font-size:11px}.product-card h3{margin-top:9px}.product-card p{font-size:11px;color:var(--muted)}
.pagination{display:flex;gap:6px;justify-content:center;margin:18px 0}.pagination a{min-width:36px;height:36px;display:grid;place-items:center;background:#fff;border:1px solid var(--line);border-radius:6px;text-decoration:none}.pagination [aria-current=page]{background:var(--navy);color:#fff;border-color:var(--navy)}
.lifecycle{display:grid;grid-template-columns:150px 1fr;gap:8px}.lifecycle>div{padding:10px;border-bottom:1px solid var(--line)}.lifecycle .label{background:#f4f6f6;font-size:11px;font-weight:850}
.comparebar{position:sticky;bottom:0;z-index:20;background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px;display:flex;justify-content:space-between;gap:12px;align-items:center;box-shadow:0 -4px 18px rgba(23,33,40,.08)}

/* Search / content / blog */
.search-large{display:grid;grid-template-columns:1fr auto}.search-large input{height:48px;border:1px solid var(--line2);border-radius:7px 0 0 7px;padding:0 14px}.search-large button{border:0;background:var(--navy);color:#fff;border-radius:0 7px 7px 0;padding:0 22px;font-weight:850}
.resource-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;border:1px solid var(--line);background:#fff;border-radius:7px;padding:12px;text-decoration:none}.resource-row b{color:var(--ink)}.resource-row span{font-size:10px;color:var(--muted)}
.resource-list{display:grid;gap:8px}
.blog-hero{display:grid;grid-template-columns:1.15fr .85fr;gap:16px}.blog-feature{padding:20px;background:#fff;border:1px solid var(--line);border-radius:9px}.blog-feature .cover{aspect-ratio:16/9;background:linear-gradient(135deg,#dfe6e8,#f9fbfb);border-radius:7px;display:grid;place-items:center;color:#5a6e77;font-weight:900}.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.post-card{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden}.post-card .cover{aspect-ratio:16/9;background:#edf1f1;display:grid;place-items:center;color:#7d8b90;font-size:11px}.post-card .copy{padding:13px}.post-card p{font-size:11px;color:var(--muted)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:24px}.article-body{background:#fff;border:1px solid var(--line);border-radius:9px;padding:30px}.article-body p,.article-body li{color:var(--ink2)}.article-body h2{margin-top:30px}.article-body h3{margin-top:20px}.article-meta{display:flex;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:11px;margin:10px 0 20px}.toc{position:sticky;top:12px;background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px}.toc a{display:block;padding:6px 0;font-size:12px}.byline{display:grid;grid-template-columns:46px 1fr;gap:10px;align-items:center}.avatar{width:46px;height:46px;border-radius:50%;background:#dce5e8;display:grid;place-items:center;font-size:11px;font-weight:900}
.ref-list{font-size:12px;color:var(--muted)}.ref-list li{margin:5px 0}

/* forms / about / services */
.form-card{background:#fff;border:1px solid var(--line);border-radius:9px;padding:20px}.form-grid{grid-template-columns:1fr 1fr;gap:10px}
.service-step{display:grid;grid-template-columns:42px 1fr;gap:12px}.service-step .num{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:#fff;font-weight:900}.service-step p{font-size:12px;color:var(--muted);margin-top:4px}
.value-card{border-top:3px solid var(--steel);background:#fff;padding:14px;border-radius:6px}.value-card p{font-size:11px;color:var(--muted)}
.timeline{display:grid;gap:10px}.timeline-item{display:grid;grid-template-columns:120px 1fr;gap:15px;border-bottom:1px solid var(--line);padding:11px 0}.timeline-item b{font-size:12px}.timeline-item p{font-size:12px;color:var(--muted)}
.footer{margin-top:38px;background:#10181c;color:#bac7cb;border-top:1px solid #2f3b40}.footer .container{padding:32px 0;display:grid;grid-template-columns:1.8fr repeat(3,1fr);gap:28px}.footer strong{color:#fff}.footer p{font-size:11px}


/* Exact current top-level menu structure + native category dropdown */
.nav-cats{position:relative;color:#e5edf0}
.nav-cats summary{list-style:none;cursor:pointer;font-size:13px;font-weight:750;white-space:nowrap}
.nav-cats summary::-webkit-details-marker{display:none}
.nav-cats summary::after{content:" ▾";font-size:10px;color:#9eb3bd}
.nav-cats[open] summary{color:#fff}
.nav-menu{position:absolute;left:0;top:33px;z-index:80;width:min(560px,82vw);display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid #385a6b;border-radius:8px;overflow:hidden;box-shadow:var(--shadow)}
.nav-menu a{background:#fff!important;color:var(--ink)!important;padding:10px 12px;font-size:12px!important;font-weight:750!important}
.nav-menu a:hover{background:#f4f7f8!important;color:var(--steel)!important}
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px}
.contact-method{background:#fff;border:1px solid var(--line);border-radius:8px;padding:16px}
.contact-method.primary{border-top:4px solid var(--amber)}
.contact-method.secondary{border-top:4px solid var(--steel)}
.contact-value{font-size:18px;font-weight:900;color:var(--navy);margin:5px 0}
.footer-contact{margin-top:12px;font-size:11px;line-height:1.7}
.footer-contact a{color:#dce8ec}
@media(max-width:720px){
 .nav-cats{flex:0 0 auto}
 .nav-menu{position:fixed;left:10px;right:10px;top:132px;width:auto;grid-template-columns:1fr;max-height:60vh;overflow:auto}
 .contact-grid{grid-template-columns:1fr}
}

@media(max-width:1050px){
 .site-header .container{grid-template-columns:245px 1fr}.header-actions{display:none}
 .product-hero,.listing,.article-layout,.blog-hero{grid-template-columns:1fr}.filters,.toc{position:static}
 .section-head{grid-template-columns:1fr}.category-tiles{grid-template-columns:repeat(2,1fr)}
 .product-cards,.post-grid{grid-template-columns:repeat(2,1fr)}.compat-grid,.related-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:720px){
 .container{width:min(calc(100% - 20px),var(--max))}.site-header .container{grid-template-columns:1fr;gap:10px;padding:11px 0}
 .brand-mark{width:42px;height:42px}.ai-float{display:none}
 .grid2,.grid3,.grid4,.metrics,.category-tiles,.product-cards,.post-grid,.form-grid,.identity,.statusline,.action-buttons,.quote-form,.trustbar,.feature-list,.compat-grid,.docs-grid,.related-grid{grid-template-columns:1fr}
 .field-full,.form-grid .full,.form-submit{grid-column:auto}.quickbar{grid-template-columns:repeat(2,1fr)}.media-stage{min-height:300px}
 .anchor .container{justify-content:flex-start}.product-table{display:block;overflow-x:auto;white-space:nowrap}.policy-table,.lifecycle{grid-template-columns:1fr}
 .footer .container{grid-template-columns:1fr 1fr}.comparebar{position:static;align-items:flex-start;flex-direction:column}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.site-header,.main-nav,.ai-float,.btn,.filters,.anchor,.footer{display:none!important}body{background:#fff}.section,.card,.article-body{border:0}}