/* ============================================================
   Cybertron Bikes — Urtopia dealer, Twin Cities
   Shared stylesheet. Plain CSS, no build step.
   ============================================================ */
:root{
  --brand:#0F5132; --brand-d:#0A3D25; --brand-l:#E7F2EC;
  --accent:#C8E86B; --accent-d:#A8CC45;
  --navy:#121A16; --navy-2:#1B2620; --navy-3:#070B09;
  --ink:#16191C; --muted:#5F676E; --muted-2:#8B939A;
  --bg:#FFFFFF; --bg-soft:#F6F8F7; --line:#E5E9E7;
  --shadow:0 10px 30px rgba(0,0,0,.10);
  --shadow-sm:0 4px 14px rgba(0,0,0,.07);
  --r:16px; --r-sm:12px; --maxw:1180px;
  --h:'Sora',system-ui,sans-serif; --b:'Inter',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
/* The [hidden] attribute must beat any class that sets `display`.
   Without this, .bike-card{display:flex} silently defeats the catalog
   filters — the attribute gets set but the card stays on screen. */
[hidden]{display:none !important}
html{scroll-behavior:smooth}
body{font-family:var(--b);color:var(--ink);background:var(--bg);line-height:1.6;
  -webkit-font-smoothing:antialiased;font-size:17px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--h);font-weight:700;line-height:1.14;letter-spacing:-.02em;color:var(--navy)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.container.narrow{max-width:820px}
.eyebrow{font-family:var(--b);font-weight:700;font-size:.78rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--brand);display:block}
.eyebrow.light{color:var(--accent)}
.lead{font-size:1.15rem;color:var(--muted)}
.center{text-align:center}
.section{padding:88px 0}
.section.tight{padding:56px 0}
.section.soft{background:var(--bg-soft)}
.section.pagehead{padding:64px 0 24px}
.section-head{max-width:760px;margin:0 auto 48px}
.section-head.left{margin-left:0;text-align:left}
.section-head h2{font-size:2.2rem;margin:12px 0 14px}
.section-head p{font-size:1.08rem;color:var(--muted)}
.body-copy{color:var(--muted);margin-bottom:18px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.55em;font-family:var(--b);font-weight:600;
  font-size:.98rem;padding:14px 26px;border-radius:999px;cursor:pointer;
  border:1.5px solid transparent;transition:.2s;white-space:nowrap;font-family:inherit}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(15,81,50,.24)}
.btn-primary:hover{background:var(--brand-d);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.10)}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:11px}
.brand .mark{width:40px;height:40px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--navy));display:grid;place-items:center;flex:none}
.brand .mark svg{width:22px;height:22px;color:var(--accent)}
.brand .name{font-family:var(--h);font-weight:700;font-size:1.14rem;color:var(--navy);
  letter-spacing:-.02em;line-height:1.1}
.brand .sub{font-size:.66rem;color:var(--muted-2);font-weight:600;letter-spacing:.04em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a{font-size:.95rem;font-weight:500;color:var(--ink);transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--brand)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--navy);margin:5px 0;
  transition:.3s;border-radius:2px}

/* hero */
.hero{position:relative;color:#fff;overflow:hidden;
  background:radial-gradient(1100px 600px at 78% -10%,#1E5A3C 0%,var(--navy) 48%,var(--navy-3) 100%)}
.hero::after{content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:26px 26px;opacity:.6;pointer-events:none}
.hero .container{position:relative;z-index:2;padding-top:84px;padding-bottom:88px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}
.hero h1{color:#fff;font-size:3.1rem;margin:18px 0 20px}
.hero h1 .hl{color:var(--accent)}
.hero p{font-size:1.16rem;color:#C6D4CC;max-width:560px}
.hero-cta{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-note{margin-top:14px;font-size:.92rem;color:#9BB0A5}
.hero-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:20px;padding:26px;backdrop-filter:blur(6px)}
.hero-card h4{color:#fff;font-size:1.02rem;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.dot-live{width:9px;height:9px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 4px rgba(200,232,107,.22);flex:none}
.kpi-row{display:flex;justify-content:space-between;gap:16px;padding:12px 0;
  border-bottom:1px solid rgba(255,255,255,.10);font-size:.94rem}
.kpi-row:last-child{border-bottom:none}
.kpi-row span{color:#C2CCC6}
.kpi-row b{color:var(--accent);font-family:var(--h);font-size:1.02rem;white-space:nowrap}

/* generic cards */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:.25s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:transparent}
.card .ic{width:52px;height:52px;border-radius:13px;display:grid;place-items:center;
  margin-bottom:18px;background:var(--brand-l);font-size:24px}
.card h3{font-size:1.15rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.97rem}
.card ul.plain{list-style:none;color:var(--muted);font-size:.97rem}

/* bike cards */
.bike-grid{display:grid;gap:24px;grid-template-columns:repeat(3,1fr);margin-top:24px}
.bike-card{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  display:flex;flex-direction:column;background:#fff;transition:.25s}
.bike-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.bike-card .ph{aspect-ratio:4/3;background:var(--bg-soft);position:relative;overflow:hidden}
.bike-card .ph img{width:100%;height:100%;object-fit:contain;padding:18px;transition:transform .35s}
.bike-card:hover .ph img{transform:scale(1.06)}
.badge{position:absolute;left:16px;top:16px;background:var(--brand);color:#fff;
  border-radius:999px;padding:5px 11px;font-size:.75rem;font-weight:600}
.badge.static{position:static;display:inline-block}
.cbody{padding:20px;display:flex;flex-direction:column;gap:7px;flex:1}
.cat{font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted-2);font-weight:600}
.bike-card h3{font-size:1.1rem}
.tag{font-size:.94rem;color:var(--muted)}
.dots{display:flex;align-items:center;gap:6px;padding-top:2px;flex-wrap:wrap}
.dot{width:16px;height:16px;border-radius:999px;border:1px solid var(--line);display:inline-block;flex:none}
.dotn{font-size:.78rem;color:var(--muted-2);margin-left:2px}
.price{margin-top:auto;padding-top:12px;display:flex;align-items:baseline;gap:8px}
.price b{font-size:1.08rem;font-family:var(--h)}
.strike{color:var(--muted-2);text-decoration:line-through;font-size:.92rem}
.instock{font-size:.78rem;color:var(--brand);font-weight:600}
.orderin{font-size:.78rem;color:var(--muted-2);font-weight:500}

/* detail */
.back{font-size:.94rem;color:var(--muted);display:inline-block;margin-bottom:20px}
.back:hover{color:var(--brand)}
.detail{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start}
.detail h1{font-size:2.2rem;margin:8px 0 6px}
.hero-img{aspect-ratio:4/3;background:var(--bg-soft);border-radius:var(--r);overflow:hidden}
.hero-img img{width:100%;height:100%;object-fit:contain;padding:28px}
.thumbs{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap}
.thumb{width:82px;height:82px;border-radius:10px;background:var(--bg-soft);border:none;padding:0;
  cursor:pointer;overflow:hidden;opacity:.65;outline:2px solid transparent;transition:.15s}
.thumb:hover{opacity:1}
.thumb.on{opacity:1;outline-color:var(--brand)}
.thumb img{width:100%;height:100%;object-fit:contain;padding:7px}
.pricerow{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-top:22px}
.pricerow b{font-size:1.7rem;font-family:var(--h)}
.colorpick{margin-top:28px}
.colorlabel{font-size:.95rem;font-weight:600}
.colorlabel span{color:var(--muted);font-weight:400}
.swatches{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.sw{width:38px;height:38px;border-radius:999px;border:1px solid var(--line);cursor:pointer;
  transition:.15s;padding:0}
.sw:hover{transform:scale(1.1)}
.sw.on{border-color:transparent;box-shadow:0 0 0 2px #fff,0 0 0 4px var(--brand)}
.stockline{margin-top:24px;color:var(--muted);font-size:.97rem}
.hl-list{margin-top:20px;padding-left:20px;color:var(--muted);font-size:.97rem}
.hl-list li{margin-bottom:6px}
.fineprint{font-size:.84rem;color:var(--muted-2);margin-top:14px}
.fineprint a{text-decoration:underline}
.specs-wrap{margin-top:64px}
.specs{display:grid;grid-template-columns:1fr 1fr;gap:0 44px;margin-top:18px}
.spec{display:flex;justify-content:space-between;gap:24px;
  border-bottom:1px solid var(--line);padding:9px 0;font-size:.94rem}
.spec dt{color:var(--muted);text-transform:capitalize}
.spec dd{font-weight:600;text-align:right}
.group-title{font-size:1.6rem;margin-bottom:4px}

/* forms */
.siteform{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:8px}
.siteform .full{grid-column:1/-1}
label{display:block;font-size:.92rem;font-weight:600;margin-bottom:6px}
input,select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;
  padding:11px 13px;font-size:.96rem;font-family:inherit;background:#fff;color:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(15,81,50,.10)}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:6px}
.chip{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:999px;
  padding:8px 14px;font-size:.92rem;background:#fff;cursor:pointer;font-family:inherit;transition:.15s}
.chip:hover{background:var(--bg-soft)}
.chip.on{border-color:var(--brand);background:var(--brand-l);font-weight:600}
.summary{display:flex;align-items:center;gap:20px;border:1px solid var(--line);
  border-radius:var(--r);padding:16px;margin-bottom:28px;background:#fff}
.summary .t{width:132px;height:100px;background:var(--bg-soft);border-radius:10px;flex:none}
.summary .t img{width:100%;height:100%;object-fit:contain;padding:8px}
.summary h3{font-size:1.05rem}
.summary p{color:var(--muted);font-size:.93rem;margin:2px 0}
.summary b{font-family:var(--h)}
.notice{border:1px solid var(--line);background:var(--brand-l);border-radius:var(--r-sm);
  padding:16px 20px;font-size:.94rem;color:var(--muted);margin-top:22px}
.notice strong{color:var(--navy)}
.done{border:1px solid var(--line);background:var(--bg-soft);border-radius:var(--r);
  padding:36px;margin-top:8px}
.done h2{font-size:1.5rem;margin-bottom:10px}
.done p{color:var(--muted);margin-bottom:10px}

/* misc blocks */
.showroom{border:1px solid var(--line);background:var(--bg-soft);border-radius:22px;
  padding:44px;display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:center}
.showroom h2{font-size:1.9rem;margin:12px 0 8px}
.hours-box{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px}
.hours-box strong{display:block;margin-bottom:12px;font-family:var(--h)}
.hours-box ul{list-style:none}
.hours-box li{display:flex;justify-content:space-between;gap:16px;padding:7px 0;
  border-bottom:1px solid var(--line);font-size:.93rem;color:var(--muted)}
.hours-box li:last-child{border-bottom:none}
.hours-box b{color:var(--ink)}
.pills{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}
.pill{border:1px solid var(--line);border-radius:999px;padding:7px 15px;
  font-size:.9rem;color:var(--muted)}
.mapwrap{border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.mapwrap iframe{width:100%;height:320px;border:0;display:block}

/* footer */
.site-footer{margin-top:72px;border-top:1px solid var(--line);background:var(--bg-soft)}
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;padding:52px 24px}
.fgrid strong{display:block;font-family:var(--h);color:var(--navy);margin-bottom:10px}
.fgrid p,.fgrid li{font-size:.93rem;color:var(--muted);margin:4px 0}
.fgrid ul{list-style:none}
.fgrid a:hover{color:var(--brand)}
.legal{border-top:1px solid var(--line);text-align:center;font-size:.79rem;
  color:var(--muted-2);padding:22px 24px}

/* responsive */
@media(max-width:1000px){
  .hero .container{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:2.5rem}
  .bike-grid{grid-template-columns:repeat(2,1fr)}
  .detail{grid-template-columns:1fr;gap:36px}
  .showroom{grid-template-columns:1fr;padding:32px}
}
@media(max-width:860px){
  .grid-3{grid-template-columns:1fr}
  .specs{grid-template-columns:1fr}
  .fgrid{grid-template-columns:1fr;gap:28px}
}
@media(max-width:760px){
  body{font-size:16px}
  .section{padding:60px 0}
  .nav-links{display:none;position:absolute;top:74px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 18px;
    border-bottom:1px solid var(--line);box-shadow:var(--shadow-sm)}
  .nav-links.open{display:flex}
  .nav-links li{padding:11px 0;border-bottom:1px solid var(--line)}
  .nav-toggle{display:block}
  .nav-cta .btn{display:none}
  .hero h1{font-size:2.1rem}
  .bike-grid{grid-template-columns:1fr}
  .siteform{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .summary{flex-direction:column;align-items:flex-start}
  .summary .t{width:100%;height:180px}
}

/* ============================================================
   Multi-brand additions — brands, filters, accessories, notes
   ============================================================ */

/* brand tags */
.brandtag{display:inline-block;border-radius:999px;padding:4px 11px;font-size:.7rem;
  font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-family:var(--b)}
.brand-urtopia{background:var(--brand-l);color:var(--brand-d)}
.brand-zonveer{background:#FFE9DC;color:#8A3B12}
.bike-card .brandtag{position:absolute;right:16px;top:16px}
.detailtop{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}

/* brand strip on the home page */
.brandstrip{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.brandbox{border:1px solid var(--line);border-radius:var(--r);padding:28px;background:#fff;
  transition:.25s;display:block}
.brandbox:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:transparent}
.brandbox h3{font-size:1.3rem;margin:14px 0 8px}
.brandbox p{color:var(--muted);font-size:.98rem}
.brandbox .more{display:inline-block;margin-top:14px;font-size:.88rem;font-weight:600;color:var(--brand)}

/* filters */
.filters{display:grid;gap:14px;padding:22px;border:1px solid var(--line);
  border-radius:var(--r);background:var(--bg-soft);margin-bottom:28px}
.filterrow{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.flabel{font-size:.76rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted-2);min-width:92px}
.resultcount{font-size:.9rem;color:var(--muted);margin-bottom:16px}
.empty{text-align:center;padding:48px 0;color:var(--muted)}
.linkbtn{background:none;border:none;color:var(--brand);font:inherit;font-weight:600;
  cursor:pointer;text-decoration:underline;padding:0}

/* use notes */
.usenote{border-radius:var(--r-sm);padding:14px 18px;font-size:.92rem;margin-top:24px;
  border:1px solid transparent;line-height:1.5}
.usenote strong{display:block;margin-bottom:2px}
.usenote.warn{background:#FFF4E5;border-color:#F5C88B;color:#7A4A08}
.usenote.info{background:#EAF2FB;border-color:#B6CFEA;color:#1F4A7A}
.warnline{color:#8A5000;font-size:.82rem;font-weight:600;margin-top:4px}

/* accessories */
.accgroup{margin-bottom:44px}
.acc-grid{display:grid;gap:20px;grid-template-columns:repeat(4,1fr);margin-top:18px}
.acc-card{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;
  display:flex;flex-direction:column;transition:.25s}
.acc-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:transparent}
.acc-card .ph{aspect-ratio:1/1;background:var(--bg-soft)}
.acc-card .ph img{width:100%;height:100%;object-fit:contain;padding:14px}
.acc-card .cbody{padding:16px;gap:8px}
.acc-card h3{font-size:.98rem;line-height:1.3}
.acc-card .price{padding-top:6px}
.acc-card .btn-sm{padding:8px 16px;font-size:.86rem;align-self:flex-start;margin-top:4px}
.fits{display:flex;gap:6px;flex-wrap:wrap}
.fit{font-size:.7rem;font-weight:600;letter-spacing:.04em;background:var(--bg-soft);
  border:1px solid var(--line);border-radius:999px;padding:3px 9px;color:var(--muted)}

/* cross-link block on Zonveer bike pages */
.crosslink{margin-top:56px;border:1px solid var(--line);background:var(--bg-soft);
  border-radius:var(--r);padding:28px 32px;display:flex;align-items:center;
  justify-content:space-between;gap:24px;flex-wrap:wrap}
.crosslink h3{font-size:1.15rem;margin-bottom:4px}
.crosslink p{color:var(--muted);font-size:.95rem}

@media(max-width:1000px){
  .acc-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:860px){
  .brandstrip{grid-template-columns:1fr}
  .acc-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  .flabel{min-width:0;width:100%}
  .crosslink{flex-direction:column;align-items:flex-start}
}

/* ============================================================
   Hero photography + light/dark mode
   ============================================================ */

/* --- hero background photos (crossfade) --- */
.hero-bg{position:absolute;inset:0;overflow:hidden;z-index:0}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center 60%;
  transform:scale(1.04)}
.hero-slide.alt{opacity:0;animation:heroAlt 18s ease-in-out infinite}
@keyframes heroAlt{0%,6%{opacity:0}44%,56%{opacity:1}94%,100%{opacity:0}}
/* scrim so the copy stays readable over any photo, in both themes */
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,12,9,.94) 0%,rgba(6,12,9,.80) 42%,rgba(6,12,9,.38) 100%)}
@media(max-width:1000px){
  .hero-bg::after{background:linear-gradient(180deg,rgba(6,12,9,.90) 0%,rgba(6,12,9,.82) 55%,rgba(6,12,9,.90) 100%)}
}
@media(prefers-reduced-motion:reduce){
  .hero-slide.alt{animation:none;opacity:.001}
}
/* the hero keeps its dark treatment in both themes — it sits on photography */
.hero{background:#070B09}

/* --- brand cards with photo backgrounds --- */
.brandbox{position:relative;overflow:hidden;isolation:isolate;min-height:230px;
  display:flex;flex-direction:column;justify-content:flex-end;color:#fff}
.brandbox-bg{position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center;
  transition:transform .5s ease}
.brandbox::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(6,12,9,.15) 0%,rgba(6,12,9,.72) 55%,rgba(6,12,9,.92) 100%)}
.brandbox:hover .brandbox-bg{transform:scale(1.06)}
.brandbox h3{color:#fff}
.brandbox p{color:#D5DED9}
.brandbox .more{color:var(--accent)}
.brandbox .brandtag{align-self:flex-start;margin-bottom:auto}

/* --- theme toggle --- */
.theme-toggle{width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);display:grid;place-items:center;cursor:pointer;
  transition:.2s;flex:none;padding:0}
.theme-toggle:hover{border-color:var(--brand);color:var(--brand)}
.theme-toggle svg{width:19px;height:19px}
.theme-toggle .i-sun{display:none}
[data-theme="dark"] .theme-toggle .i-sun{display:block}
[data-theme="dark"] .theme-toggle .i-moon{display:none}

/* --- surface token (used by cards etc. so dark mode can swap it) --- */
:root{--surface:#FFFFFF; --plate:#F6F8F7}
.card,.bike-card,.acc-card,.hours-box,.summary,.chip,.brandbox,
input,select,textarea{background:var(--surface)}
/* photo plates stay light in both themes — product shots are cut out on white */
.bike-card .ph,.acc-card .ph,.hero-img,.thumb,.summary .t{background:var(--plate)}

/* ============================================================
   DARK MODE
   Only tokens and the handful of rules that hardcoded white.
   ============================================================ */
[data-theme="dark"]{
  color-scheme:dark;
  --brand:#4FB783; --brand-d:#6ED0A0; --brand-l:#12271D;
  --accent:#C8E86B;
  --navy:#F0F4F2; --navy-2:#1B2620; --navy-3:#070B09;
  --ink:#E4EAE7; --muted:#9BA6A1; --muted-2:#7B8681;
  --bg:#0D1211; --bg-soft:#141A17; --line:#26302B;
  --surface:#141A17; --plate:#EEF1EF;
  --shadow:0 10px 30px rgba(0,0,0,.55);
  --shadow-sm:0 4px 14px rgba(0,0,0,.45);
}
[data-theme="dark"] .site-header{background:rgba(13,18,17,.88);border-bottom-color:var(--line)}
[data-theme="dark"] .nav-links{background:var(--bg)}
[data-theme="dark"] .btn-primary{color:#08130D}
[data-theme="dark"] .btn-light{background:var(--surface);color:var(--ink)}
[data-theme="dark"] .brand .mark{background:linear-gradient(135deg,var(--brand),#0B1712)}
[data-theme="dark"] .sw.on{box-shadow:0 0 0 2px var(--bg),0 0 0 4px var(--brand)}
[data-theme="dark"] .badge{color:#08130D}
[data-theme="dark"] .brand-urtopia{background:#12271D;color:#7FD9A9}
[data-theme="dark"] .brand-zonveer{background:#2E1A0E;color:#F0A874}
[data-theme="dark"] .usenote.warn{background:#2A1D0A;border-color:#6B4E17;color:#F2C97D}
[data-theme="dark"] .usenote.info{background:#0F1E2C;border-color:#2A4A66;color:#9CC5EC}
[data-theme="dark"] .warnline{color:#E5B25E}
[data-theme="dark"] .notice{background:var(--brand-l);border-color:var(--line)}
[data-theme="dark"] .fit{background:var(--bg);border-color:var(--line)}
[data-theme="dark"] .mapwrap iframe{filter:invert(.9) hue-rotate(180deg)}
[data-theme="dark"] .chip.on{background:var(--brand-l);border-color:var(--brand);color:var(--accent)}
[data-theme="dark"] .filters{background:var(--bg-soft)}
[data-theme="dark"] .brandbox{background:#0B0F0D}

/* Lumos brand tag + helmet option rows */
.brand-lumos{background:#EAF0FB;color:#26467F}
[data-theme="dark"] .brand-lumos{background:#141F33;color:#8FB6EC}
.optrow{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:26px}
.optrow .colorlabel{margin-bottom:8px}
@media(max-width:760px){.optrow{grid-template-columns:1fr;gap:18px}}