:root{--paper:#F2F4F6;--card:#FFFFFF;--ink:#1C2430;--muted:#5A6572;--steel:#37424F;--accent:#0F5FA8;--accent-dark:#093D6B;--safety:#E8A90C;--teal:#205E63;--line:#D7DDE3;--dark:#131A22;--sand:#E9EDF1}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:'Segoe UI',Helvetica,Arial,sans-serif;font-size:17px;line-height:1.62}
a{color:var(--accent)}
a:hover{color:var(--accent-dark)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.topbar{background:var(--dark);color:#DCE4EC;font-size:.86rem}
.topbar-in{display:flex;justify-content:space-between;gap:16px;padding:7px 20px;flex-wrap:wrap}
.topbar a{color:var(--safety)}
.site-header{background:var(--card);border-bottom:3px solid var(--safety);position:relative;z-index:30}
.header-in{display:flex;align-items:center;gap:18px;padding:12px 20px}
.brand{font-size:1.3rem;font-weight:800;color:var(--ink);text-decoration:none;line-height:1.2;letter-spacing:.01em}
.brand small{display:block;font-size:.78rem;color:var(--muted);font-weight:400;letter-spacing:.05em}
.navmenu{display:none}
.burger{cursor:pointer;font-size:1.3rem;list-style:none;padding:6px 10px;border:1px solid var(--line);border-radius:6px}
.burger::-webkit-details-marker{display:none}
.navlinks{display:flex;align-items:center;gap:16px;margin-left:auto;flex-wrap:wrap}
.navlink{color:var(--ink);text-decoration:none;font-weight:600}
.navlink:hover{color:var(--accent)}
.dropwrap,.langwrap{position:relative;display:inline-flex;align-items:center;gap:2px}
.dropt,.lang-switch{display:inline-block}
.dropt summary,.lang-switch summary{cursor:pointer;list-style:none;font-size:.85rem;color:var(--steel);padding:2px 4px}
.dropt summary::-webkit-details-marker,.lang-switch summary::-webkit-details-marker{display:none}
.dropmenu,.langmenu{position:absolute;top:calc(100% + 8px);left:0;background:var(--card);border:1px solid var(--line);border-radius:8px;box-shadow:0 12px 30px rgba(19,26,34,.18);padding:10px;min-width:250px;display:flex;flex-direction:column;gap:2px;visibility:hidden;opacity:0;pointer-events:none;z-index:60}
.langmenu{left:auto;right:0;min-width:170px}
.lang-opt{color:var(--muted);padding:6px 8px;white-space:nowrap}
.dropmenu a,.langmenu a{color:var(--ink);text-decoration:none;padding:6px 8px;border-radius:5px;white-space:nowrap}
.dropmenu a:hover,.langmenu a:hover{background:var(--sand);color:var(--accent-dark)}
.dropwrap:has(.dropt[open]) .dropmenu,.langwrap:has(.lang-switch[open]) .langmenu{visibility:visible;opacity:1;pointer-events:auto}
.langwrap{margin-left:6px;border-left:1px solid var(--line);padding-left:14px}
main{display:block}
.hero{background:linear-gradient(120deg,var(--dark) 0%,var(--accent-dark) 80%);color:#F2F6FA;padding:44px 26px 38px;border-radius:0 0 12px 12px}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:30px;align-items:center}
.hero h1{font-size:2.2rem;line-height:1.16;margin:0 0 14px}
.hero p{color:#D8E2EC;max-width:56ch}
.kicker{color:var(--safety);text-transform:uppercase;letter-spacing:.13em;font-size:.8rem;font-weight:700;margin:0 0 10px}
.hero-fig{margin:0;border:4px solid var(--sand);border-radius:10px;overflow:hidden;background:var(--steel)}
.hero-fig figcaption{background:var(--sand);color:var(--ink);font-size:.85rem;padding:8px 12px}
.evidence-strip{list-style:none;display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:18px 0 0}
.evidence-strip li{background:rgba(242,246,250,.08);border:1px solid var(--safety);border-radius:999px;padding:6px 14px;font-size:.88rem;color:#F2F6FA}
.fit-strip{border-left:6px solid var(--safety);background:var(--sand);padding:12px 18px;margin:26px 0;border-radius:0 8px 8px 0;font-size:.97rem}
.fit-strip strong{color:var(--accent-dark)}
.section{padding:34px 0 6px}
.section h2{font-size:1.62rem;line-height:1.25;margin:0 0 12px;color:var(--ink)}
.section h3{font-size:1.16rem;margin:22px 0 8px}
.lede{font-size:1.08rem;color:var(--steel);max-width:68ch}
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(235px,1fr));gap:18px;margin:20px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden;display:flex;flex-direction:column}
.card img{aspect-ratio:4/3;object-fit:cover;width:100%}
.card-body{padding:14px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-body h3{margin:0;font-size:1.07rem}
.card-body p{margin:0;color:var(--muted);font-size:.95rem;flex:1}
.img-note{font-size:.8rem;color:var(--muted);font-style:italic;padding:6px 14px 0;margin:0}
.card-link{font-weight:700;text-decoration:none}
.spec-plate{background:var(--teal);color:#F2F6FA;border-radius:12px;padding:22px 24px;margin:24px 0}
.spec-plate h2{color:#F2F6FA}
.spec-table,.compare-table{width:100%;border-collapse:collapse;background:var(--card);margin:16px 0 24px;font-size:.95rem}
.spec-table th,.spec-table td,.compare-table th,.compare-table td{border:1px solid var(--line);padding:9px 12px;text-align:left;vertical-align:top}
.spec-table th,.compare-table th{background:var(--sand);color:var(--ink)}
.table-scroll{overflow-x:auto}
.check-list,.point-list{padding-left:20px}
.check-list li,.point-list li{margin-bottom:8px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px 18px;margin:12px 0}
.faq-item h3{margin:0 0 6px}
.faq-item p{margin:0;color:var(--steel)}
.cta-band{border-radius:12px;padding:26px 28px;margin:34px 0;color:#F2F6FA}
.cta-band h2{color:#F2F6FA;margin:0 0 8px}
.cta-band p{max-width:62ch}
.cta-quote{background:var(--accent)}
.cta-fit{background:var(--teal)}
.cta-model{background:var(--steel)}
.cta-compare{background:var(--accent-dark)}
.cta-guide{background:var(--dark)}
.cta-read{background:var(--teal)}
.btn{display:inline-block;background:var(--card);color:var(--ink);font-weight:700;text-decoration:none;padding:11px 22px;border-radius:999px;margin-top:8px}
.btn-dark{background:var(--safety);color:var(--dark)}
.btn-dark:hover{background:var(--accent);color:#FFFFFF}
.hero .btn{margin-right:10px}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:14px;margin:16px 0 8px}
.related-card{background:var(--card);border:1px solid var(--line);border-top:4px solid var(--accent);border-radius:8px;padding:14px 16px}
.related-card a{font-weight:700;text-decoration:none}
.related-card p{margin:6px 0 0;color:var(--muted);font-size:.93rem}
form.inquiry{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px;max-width:720px}
form.inquiry label{display:block;font-weight:700;margin:14px 0 5px}
form.inquiry input[type=text],form.inquiry input[type=email],form.inquiry select,form.inquiry textarea{width:100%;padding:11px 12px;border:1px solid var(--steel);border-radius:7px;font:inherit;background:#FFFFFF}
form.inquiry textarea{min-height:130px}
.botcheck{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-note{color:var(--muted);font-size:.92rem}
.submit-btn{background:var(--accent);color:#FFFFFF;border:0;padding:13px 30px;border-radius:999px;font:inherit;font-weight:700;cursor:pointer;margin-top:18px}
.submit-btn:hover{background:var(--accent-dark)}
.site-footer{background:var(--dark);color:#B9C4CF;margin-top:48px;padding:36px 0 26px}
.site-footer a{color:var(--safety)}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:22px}
.footer-grid h3{color:#F2F6FA;margin:0 0 10px;font-size:1rem}
.footer-grid ul{list-style:none;padding:0;margin:0}
.footer-grid li{margin-bottom:6px}
.footer-base{border-top:1px solid var(--steel);margin-top:24px;padding-top:14px;font-size:.88rem;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.article-meta{color:var(--muted);font-size:.92rem}
.diagram{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin:18px 0}
.diagram-step{background:var(--card);border:1px solid var(--line);border-top:5px solid var(--accent);border-radius:8px;padding:14px}
.diagram-step strong{display:block;margin-bottom:6px;color:var(--accent-dark)}
.notfound{padding:60px 0;text-align:center}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}.hero h1{font-size:1.8rem}}
@media (max-width:860px){
.navmenu{display:block;margin-left:auto}
.navlinks{display:none}
.site-header:has(.navmenu[open]) .navlinks{display:flex;flex-direction:column;align-items:flex-start;width:100%;padding:12px 20px 18px;gap:12px}
.header-in{flex-wrap:wrap}
.langwrap{border-left:0;padding-left:0;margin-left:0}
.dropmenu,.langmenu{position:static;box-shadow:none;border:0;min-width:0;display:none}
.dropwrap:has(.dropt[open]) .dropmenu,.langwrap:has(.lang-switch[open]) .langmenu{display:flex}
}
/* Desktop nav must stay on one line: at wide viewports the longest locale
   labels (RU) once pushed the language switcher onto a second line beneath
   the nav (AUDIT-RECHECK 2026-11-07 item 7). Below this width the row may
   still wrap, and at <=860px the burger menu takes over entirely. */
@media (min-width:1200px){
.navlinks{flex-wrap:nowrap}
.navlink{white-space:nowrap}
.langwrap{flex:0 0 auto;white-space:nowrap}
}