:root{
    --navy:#16233B;        /* Jinsen Ink — authority surfaces + headings */
    --navy-deep:#0F1A2E;   /* deeper navy for hero / footer */
    --blue:#2A7DE4;        /* Jinsen Blue — links, accents */
    --blue-cta:#155CB8;    /* Deep Blue — primary CTA (corporate) */
    --blue-cta-hover:#114f9e; /* primary CTA hover state */
    --sky:#5BA3F2;
    --slate:#5C6B82;
    --bg:#F8FAFC;
    --paper:#FFFFFF;
    --muted:#EEF3FA;
    --line:#E2E8F0;
    --on-navy-2:#a9bad4;   /* secondary text on navy surfaces (stat panel, guarantee, footer) */
    --text-body:#2b3a52;   /* long-form article body copy, deliberately softer than --navy */
    --red:#D81E27;         /* form error / alert only */
    --gold:#B8862F;        /* heritage/premium accent — since-1981, trust badges, guarantee shield */
    --eyebrow-on-navy:#9cc4f5; /* eyebrow label on navy CTA bands */
    --r:10px;
    --shadow-sm:0 1px 2px rgba(15,26,46,.06), 0 4px 14px rgba(15,26,46,.05);
    --shadow-md:0 2px 6px rgba(15,26,46,.08), 0 18px 44px rgba(15,26,46,.10);
    --maxw:1200px;
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;}
  body{font-family:"Source Sans 3",system-ui,sans-serif;color:var(--navy);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased;}
  h1,h2,h3,h4{font-family:"Lexend",sans-serif;color:var(--navy);line-height:1.1;font-weight:700;letter-spacing:-.01em;}
  a{color:inherit;text-decoration:none;}
  svg{display:block;}
  .wrap{width:min(var(--maxw),calc(100% - 48px));margin-inline:auto;}
  .eyebrow{font-family:"Lexend",sans-serif;font-size:12.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-cta);}
  :focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:4px;}

  /* skip link */
  .skip-link{position:absolute;left:-9999px;top:-9999px;z-index:100;background:var(--navy);color:#fff;font-family:"Lexend",sans-serif;font-weight:600;font-size:14px;padding:12px 20px;border-radius:8px;}
  .skip-link:focus,.skip-link:focus-visible{left:16px;top:16px;}

  /* buttons */
  .btn{display:inline-flex;align-items:center;gap:9px;min-height:48px;padding:0 24px;border-radius:var(--r);font-family:"Lexend",sans-serif;font-weight:600;font-size:15px;border:1.5px solid transparent;transition:transform .15s,background .2s,border-color .2s,color .2s;cursor:pointer;white-space:nowrap;}
  .btn-primary{background:var(--blue-cta);color:#fff;}
  .btn-primary:hover{background:var(--blue-cta-hover);transform:translateY(-2px);}
  .btn-ghost{background:#fff;color:var(--navy);border-color:var(--line);}
  .btn-ghost:hover{border-color:var(--blue);color:var(--blue-cta);}
  .btn-onnavy{background:#fff;color:var(--navy);}
  .btn-onnavy:hover{transform:translateY(-2px);}
  .btn-line-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.35);}
  .btn-line-light:hover{border-color:#fff;}

  /* header */
  header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:saturate(1.3) blur(12px);border-bottom:1px solid var(--line);}
  .nav{display:flex;align-items:center;gap:20px;height:74px;}
  .brand svg{height:46px;width:auto;}
  .navlinks{display:flex;gap:2px;margin-left:18px;}
  .navlinks a{font-family:"Lexend",sans-serif;padding:9px 14px;border-radius:8px;font-weight:500;font-size:15px;color:var(--slate);transition:background .15s,color .15s;}
  .navlinks a:hover{background:var(--muted);color:var(--navy);}
  .navlinks a[aria-current="page"]{background:var(--muted);color:var(--navy);font-weight:600;}
  .nav-right{margin-left:auto;display:flex;align-items:center;gap:16px;}
  .langs{display:flex;gap:1px;border:1px solid var(--line);border-radius:8px;overflow:hidden;}
  .langs span{font-family:"Lexend",sans-serif;font-size:12px;font-weight:600;padding:6px 9px;color:var(--slate);}
  .langs span.on{background:var(--navy);color:#fff;}
  .langs span[aria-disabled="true"]{opacity:.55;cursor:not-allowed;}

  /* mobile menu */
  .menu-btn{display:none;align-items:center;justify-content:center;width:44px;height:44px;flex:none;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--navy);cursor:pointer;}
  .menu-btn:hover{border-color:var(--blue);color:var(--blue-cta);}
  .menu-btn svg{width:22px;height:22px;}
  .mnav{display:none;}
  .mnav .mlink{display:block;font-family:"Lexend",sans-serif;font-weight:600;font-size:16px;color:var(--navy);padding:13px 2px;border-bottom:1px solid var(--line);}
  .mnav .mlangs{display:flex;gap:8px;margin-top:16px;}
  .mnav .mlangs span{font-family:"Lexend",sans-serif;font-size:13px;font-weight:600;padding:9px 14px;border:1px solid var(--line);border-radius:8px;color:var(--slate);}
  .mnav .mlangs span.on{background:var(--navy);color:#fff;border-color:var(--navy);}
  .mnav .mlangs span[aria-disabled="true"]{opacity:.55;cursor:not-allowed;}
  .mnav .btn{display:flex;justify-content:center;margin-top:16px;}

  /* hero */
  .hero{background:linear-gradient(180deg,#fff,var(--bg));border-bottom:1px solid var(--line);}
  .hero .wrap{display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center;padding:58px 0 54px;}
  .hero h1{font-size:clamp(30px,4.2vw,50px);line-height:1.05;font-weight:800;}
  .hero h1 .u{color:var(--blue-cta);}
  .hero p.lead{margin-top:15px;font-size:clamp(15px,1.5vw,18px);color:var(--slate);max-width:46ch;}
  .hero-cta{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap;}
  .since{margin-top:18px;display:flex;flex-wrap:wrap;align-items:center;gap:7px 11px;font-size:14px;color:var(--slate);}
  .since .pip{width:9px;height:9px;border-radius:50%;background:var(--gold);flex:none;}
  .since .dot{color:var(--line);}
  .since b{color:var(--navy);font-weight:700;}
  .since a{color:var(--blue-cta);font-weight:600;}
  .since a:hover{text-decoration:underline;}

  /* hero image (real photography drops in later) */
  .hero-figure{border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-md);background:#fff;}
  .hero-figure .imgph{height:340px;border-radius:0;border:0;border-bottom:1px solid var(--line);}
  .hero-figure .cap{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 18px;}
  .hero-figure .cap .t{font-family:"Lexend",sans-serif;font-weight:600;font-size:14px;color:var(--navy);}
  .hero-figure .cap .s{font-size:13px;color:var(--slate);}
  .badge-genuine{display:inline-flex;align-items:center;gap:7px;flex:none;white-space:nowrap;font-family:"Lexend",sans-serif;font-weight:600;font-size:12.5px;color:var(--blue-cta);background:var(--muted);border:1px solid var(--line);border-radius:999px;padding:6px 12px;}

  /* image placeholder — soft corporate, not a dev wireframe */
  .imgph{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;background:linear-gradient(135deg,var(--muted),#fff);border:1px solid var(--line);border-radius:12px;color:var(--slate);padding:22px;}
  .imgph svg{color:var(--blue);opacity:.55;}
  .imgph .t{font-size:13.5px;line-height:1.5;max-width:34ch;}
  .imgph .t b{color:var(--navy);font-weight:600;font-family:"Lexend",sans-serif;}

  /* trust bar */
  .trust{background:var(--navy);color:#fff;}
  .trust .wrap{display:flex;flex-wrap:wrap;gap:14px 40px;align-items:center;justify-content:space-between;padding:20px 0;}
  .trust .item{display:flex;align-items:center;gap:10px;font-size:14.5px;font-weight:600;color:#fff;}
  .trust .item svg{color:var(--sky);flex:none;}
  .trust .item.is-accent svg{color:var(--gold);}
  .trust .item a{text-decoration:underline;text-decoration-color:rgba(255,255,255,.4);text-underline-offset:3px;transition:text-decoration-color .15s;}
  .trust .item a:hover{text-decoration-color:#fff;}

  /* sections */
  .sec{padding:84px 0;}
  .sec-bg{background:var(--bg);}
  .sec-head{max-width:64ch;margin-bottom:40px;}
  .sec-head h2{font-size:clamp(28px,3.4vw,42px);font-weight:700;margin-top:12px;}
  .sec-head p{margin-top:14px;color:var(--slate);font-size:17px;}

  /* brand categories */
  .cats{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
  .cat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;box-shadow:var(--shadow-sm);transition:transform .18s,box-shadow .2s,border-color .2s;}
  .cat:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--sky);}
  .cat .ico{width:46px;height:46px;border-radius:11px;background:var(--muted);display:grid;place-items:center;color:var(--blue-cta);margin-bottom:16px;}
  .cat h3{font-size:19px;}
  .cat .sub{font-size:14px;color:var(--slate);margin:4px 0 16px;}
  .logos{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;}
  .logo-ph{min-width:0;display:flex;align-items:center;justify-content:center;height:66px;padding:10px 14px;background:#fff;border:1px solid var(--line);border-radius:9px;transition:border-color .15s,box-shadow .15s;}
  .logo-ph:hover{border-color:var(--sky);box-shadow:var(--shadow-sm);}
  /* normalize mixed logo aspect ratios: square logos fill height (42px), wide wordmarks reined in by width (80%) so visual mass is even */
  .logo-ph img{max-height:42px;max-width:80%;width:auto;object-fit:contain;}
  .cat-foot{margin-top:14px;padding:6px 0;font-family:"Lexend",sans-serif;font-weight:600;font-size:14px;color:var(--blue-cta);display:inline-flex;align-items:center;gap:7px;}
  .cat-foot svg{transition:transform .15s;}
  .cat:hover .cat-foot svg{transform:translateX(4px);}

  /* quality / credentials */
  .qual-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
  .qcard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px;box-shadow:var(--shadow-sm);}
  .qcard .qn{font-family:"Lexend",sans-serif;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--blue-cta);text-transform:uppercase;}
  .qcard h3{font-size:19px;margin:12px 0 9px;}
  .qcard p{font-size:15px;color:var(--slate);}
  .qicon{width:48px;height:48px;border-radius:12px;background:var(--muted);display:grid;place-items:center;color:var(--blue-cta);margin-bottom:8px;}
  .guarantee{margin-top:30px;display:flex;align-items:center;gap:22px;background:var(--navy);border-radius:16px;padding:30px 36px;box-shadow:var(--shadow-md);}
  .guarantee .g-shield{width:34px;height:34px;color:var(--gold);flex:none;}
  .guarantee .g-t b{font-family:"Lexend",sans-serif;font-size:20px;color:#fff;display:block;}
  .guarantee .g-t span{font-size:15.5px;color:var(--on-navy-2);}
  .cert-note{margin-top:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 22px;box-shadow:var(--shadow-sm);}
  .cert-note b{display:block;font-family:"Lexend",sans-serif;font-size:16px;color:var(--navy);margin-bottom:5px;}
  .cert-note span{display:block;color:var(--slate);font-size:15px;}

  /* coverage */
  .cov-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center;}
  .cov-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 4px;border-bottom:1px solid var(--line);}
  .cov-row:last-child{border-bottom:0;}
  .cov-row .reg{font-family:"Lexend",sans-serif;font-weight:600;font-size:16px;}
  .cov-row .reg small{display:block;color:var(--slate);font-weight:400;font-size:13.5px;font-family:"Source Sans 3",sans-serif;}
  .cov-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex:none;}
  .sla{font-family:"Lexend",sans-serif;font-size:13px;font-weight:600;color:var(--blue-cta);background:var(--muted);border:1px solid var(--line);border-radius:8px;padding:7px 14px;white-space:nowrap;}
  .sla.same{color:#fff;background:var(--blue-cta);border-color:var(--blue-cta);}
  .cov-wa{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:7px 13px;border-radius:8px;background:#128c4a;color:#fff;font-family:"Lexend",sans-serif;font-size:13px;font-weight:700;line-height:1;white-space:nowrap;box-shadow:0 8px 16px rgba(18,140,74,.16);}
  .cov-wa:hover{background:#0f7a42;color:#fff;}
  .cov-wa:focus-visible{outline:3px solid var(--sky);outline-offset:3px;}
  .stat-panel{background:var(--navy);color:#fff;border-radius:18px;padding:38px;box-shadow:var(--shadow-md);}
  .stat-panel .lead-stat{font-family:"Lexend",sans-serif;font-size:56px;font-weight:800;line-height:1;}
  .stat-panel .lead-stat em{color:var(--sky);font-style:normal;}
  .stat-panel p{color:var(--on-navy-2);margin-top:12px;font-size:15.5px;}
  .stat-panel .mini{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);}
  .stat-panel .mini b{font-family:"Lexend",sans-serif;font-size:26px;font-weight:700;display:block;}
  .stat-panel .mini span{font-size:13px;color:var(--on-navy-2);}

  /* social proof (C1) — placeholders, dashed border signals "not real yet" same as nolink chips */
  .proof-logos{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-bottom:30px;}
  .proof-logo{min-height:96px;padding:14px;border-style:dashed;}
  .proof-logo .t{font-size:12px;}
  .proof-quotes{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
  .quote-card{background:#fff;border:1px dashed var(--line);border-radius:14px;padding:26px;box-shadow:var(--shadow-sm);}
  .quote-card .ph-tag{display:inline-block;font-family:"Lexend",sans-serif;font-weight:600;font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--gold);background:var(--muted);border-radius:6px;padding:4px 9px;margin-bottom:14px;}
  .quote-card p{font-size:16px;color:var(--text-body);font-style:italic;line-height:1.6;}
  .quote-card cite{display:block;margin-top:14px;font-style:normal;font-family:"Lexend",sans-serif;font-weight:600;font-size:13.5px;color:var(--slate);}

  /* vehicle make belt */
  .oem-belt{overflow:hidden;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow-sm);
    -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);}
  .oem-track{display:flex;gap:12px;width:max-content;padding:18px;animation:oem-belt 28s linear infinite;}
  .oem-track span{display:inline-flex;align-items:center;justify-content:center;min-width:132px;height:58px;border:1px solid var(--line);border-radius:10px;background:var(--bg);
    font-family:"Lexend",sans-serif;font-size:16px;font-weight:700;color:var(--navy);white-space:nowrap;}
  @keyframes oem-belt{from{transform:translateX(0);}to{transform:translateX(-50%);}}

  /* low-commitment lead capture (C8) */
  .leadcap{background:var(--muted);border:1px solid var(--line);border-radius:20px;padding:40px 44px;
    display:grid;grid-template-columns:1.2fr .9fr;gap:32px;align-items:center;}
  .leadcap-copy h2{font-size:clamp(22px,2.6vw,30px);margin-top:10px;}
  .leadcap-copy p{color:var(--slate);margin-top:10px;font-size:15.5px;max-width:48ch;}
  .leadcap-form{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;}
  .leadcap-form[hidden]{display:none;}
  .leadcap-form .field{flex:1 1 220px;margin-bottom:0;}
  .leadcap-form .btn{flex:none;}
  .leadcap .form-ok{background:#fff;}

  /* news */
  .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
  .article{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .18s,box-shadow .2s;}
  .article:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
  .article .thumb{height:168px;position:relative;border-bottom:1px solid var(--line);}
  .article .thumb .imgph{height:100%;border:0;border-radius:0;}
  .article .tag{position:absolute;left:16px;top:16px;font-family:"Lexend",sans-serif;font-size:11px;font-weight:600;letter-spacing:.06em;color:#fff;background:var(--navy);padding:6px 11px;border-radius:7px;}
  .article .body{padding:22px 22px 24px;}
  .article h3{font-size:18px;line-height:1.25;}
  .article p{font-size:14.5px;color:var(--slate);margin-top:9px;}
  .article .read{margin-top:13px;padding:5px 0;font-family:"Lexend",sans-serif;font-weight:600;font-size:14px;color:var(--blue-cta);display:inline-flex;align-items:center;gap:7px;}

  /* contact band */
  .cta-band{background:linear-gradient(135deg,var(--navy),var(--navy-deep));color:#fff;border-radius:20px;padding:54px;display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center;box-shadow:var(--shadow-md);}
  .cta-band h2{color:#fff;font-size:clamp(26px,3vw,38px);}
  .cta-band p{color:#cdd9e8;margin-top:14px;font-size:16.5px;max-width:44ch;}
  .cta-actions{display:flex;flex-direction:column;gap:12px;}
  .cta-actions .btn{justify-content:center;}

  /* footer */
  footer{background:var(--navy-deep);color:var(--on-navy-2);padding:60px 0 32px;}
  .foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:38px;}
  footer .brand svg{height:40px;}
  footer h4{color:#fff;font-size:13px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:16px;}
  footer a{display:block;color:var(--on-navy-2);font-size:14.5px;padding:10px 0;}
  footer a:hover{color:#fff;}
  footer .addr{font-size:14.5px;line-height:1.7;margin-top:18px;}
  .footer-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
  .assoc-badge{display:inline-flex;align-items:center;gap:10px;border:1px solid rgba(255,255,255,.16);border-radius:10px;padding:10px 12px;color:var(--on-navy-2);font-size:13px;}
  .assoc-badge:hover{color:#fff;border-color:rgba(255,255,255,.34);}
  .assoc-badge .mark{display:grid;place-items:center;width:50px;height:30px;border-radius:7px;background:#fff;color:var(--navy);font-family:"Lexend",sans-serif;font-size:11px;font-weight:800;letter-spacing:.04em;}
  .foot-bot{margin-top:38px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;}

  .mobar{display:none;}

  @media (max-width:980px){
    .hero .wrap{grid-template-columns:1fr;gap:40px;padding:56px 0;}
    .cov-grid{grid-template-columns:1fr;gap:30px;}
    .cta-band{grid-template-columns:1fr;padding:40px;}
    .news-grid{grid-template-columns:1fr 1fr;}
    .qual-grid{grid-template-columns:1fr;}
    .foot-grid{grid-template-columns:1fr 1fr;}
    .trust .wrap{justify-content:flex-start;}
    .navlinks,.nav-right .btn{display:none;}
    .menu-btn{display:inline-flex;}
    .mnav.open{display:block;padding:8px 0 20px;}
    body{padding-bottom:76px;}
    .mobar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;gap:10px;padding:11px 16px calc(11px + env(safe-area-inset-bottom));background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-top:1px solid var(--line);}
    .mobar .btn{flex:1;justify-content:center;}
  }
  @media (max-width:720px){
    .cats{grid-template-columns:1fr;}
    .logos{grid-template-columns:repeat(2,1fr);}
    .sec{padding:60px 0;}
    .hero .wrap{padding:44px 0 38px;}
    .hero-figure{display:none;}
  }
  @media (max-width:640px){
    .trust .wrap{flex-direction:column;align-items:flex-start;gap:13px;}
    .trust .item{width:100%;}
    .hero-figure .cap{flex-wrap:wrap;}
  }
  @media (max-width:560px){.news-grid{grid-template-columns:1fr;}}
  @media (max-width:430px){.foot-grid{grid-template-columns:1fr;}.hero-cta .btn{flex:1;justify-content:center;}.langs{display:none;}.cov-row{align-items:flex-start;flex-direction:column;gap:10px;}.cov-actions{width:100%;justify-content:space-between;}.cov-wa{flex:1;}}
  @media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto;}.oem-track{animation:none;}}

/* ============ shared interior-page header ============ */
.page-hero{background:linear-gradient(180deg,#fff,var(--bg));border-bottom:1px solid var(--line);}
.page-hero .wrap{padding:52px 0 44px;}
.page-hero h1{font-size:clamp(28px,4vw,46px);font-weight:800;margin-top:12px;}
.page-hero p.lead{margin-top:14px;color:var(--slate);font-size:17px;max-width:60ch;}
.crumbs{font-family:"Lexend",sans-serif;font-size:13px;color:var(--slate);display:flex;gap:8px;align-items:center;}
.crumbs a:hover{color:var(--blue-cta);}
.crumbs span{color:var(--line);}

/* ============ products (brands) page ============ */
.brand-cat{margin-top:44px;scroll-margin-top:96px;}
.brand-cat > h2{font-size:clamp(22px,2.6vw,30px);display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;}
.brand-cat > h2 small{font-weight:400;font-size:15px;color:var(--slate);font-family:"Source Sans 3",sans-serif;}
.brand-cat .sub{color:var(--slate);margin:6px 0 20px;font-size:15px;}
.brand-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.brand-tile{display:flex;flex-direction:column;align-items:center;justify-content:space-between;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 16px 16px;min-height:150px;
  box-shadow:var(--shadow-sm);transition:transform .18s,box-shadow .2s,border-color .2s;}
/* clickability affordance: hover/lift is scoped to real links only, never to the non-link nolink variant */
a.brand-tile:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--sky);}
.brand-tile .logo{height:64px;display:flex;align-items:center;justify-content:center;width:100%;}
.brand-tile .logo img{max-height:60px;max-width:82%;width:auto;object-fit:contain;}
.brand-tile .pt{font-size:12.5px;color:var(--slate);text-align:center;line-height:1.35;}
/* permanent (non-hover) external cue on real links, darkens on hover */
.brand-tile .ext{display:inline-flex;align-items:center;gap:5px;font-family:"Lexend",sans-serif;font-weight:600;
  font-size:12px;color:var(--slate);transition:color .15s;}
a.brand-tile:hover .ext{color:var(--blue-cta);}
/* non-linked brands: visibly muted at rest, no pointer, no hover lift */
.brand-tile.nolink{cursor:default;background:var(--muted);}
.brand-tile.nolink:hover{transform:none;box-shadow:var(--shadow-sm);border-color:var(--line);}
.brand-tile.nolink .logo img{filter:grayscale(1);opacity:.5;}
.brand-tile.nolink .pt{color:var(--slate);}
.brand-tile.nolink .no-site{font-size:11.5px;color:var(--slate);font-style:italic;text-align:center;}

/* ============ parts catalogue + toggle ============ */
.cat-toolbar{position:sticky;top:74px;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);padding:14px 0;margin-bottom:8px;}
.cat-toolbar .wrap{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.seg{display:inline-flex;background:var(--muted);border:1px solid var(--line);border-radius:10px;padding:3px;}
.seg button{font-family:"Lexend",sans-serif;font-weight:600;font-size:14px;color:var(--slate);
  background:transparent;border:0;border-radius:8px;padding:9px 18px;min-height:44px;cursor:pointer;transition:background .15s,color .15s;}
.seg button[aria-pressed="true"]{background:var(--navy);color:#fff;}
.seg button:focus-visible{outline:3px solid var(--blue);outline-offset:2px;}
.cat-hint{font-size:13.5px;color:var(--slate);}
.cat-group{margin-top:34px;}
.cat-group > h2{font-size:22px;display:flex;align-items:center;gap:12px;}
.cat-group > h2 .co{font-family:"Lexend",sans-serif;font-size:12px;font-weight:700;color:var(--blue-cta);
  background:var(--muted);border:1px solid var(--line);border-radius:8px;padding:4px 10px;}
.part-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 18px;margin-top:10px;
  background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-sm);}
.part-row.part-only{justify-content:flex-start;}
.part-row .pn{font-family:"Lexend",sans-serif;font-weight:600;font-size:16px;}
.part-row .chips{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;}
.bchip{display:inline-flex;align-items:center;gap:7px;background:var(--bg);border:1px solid var(--line);
  border-radius:999px;padding:5px 12px 5px 6px;font-family:"Lexend",sans-serif;font-weight:600;font-size:12.5px;color:var(--navy);
  transition:border-color .15s,background .15s;}
/* clickability affordance: hover scoped to the linked chip only */
a.bchip:hover{border-color:var(--blue);background:#fff;}
.bchip img{height:22px;width:auto;max-width:60px;object-fit:contain;}
.bchip .ext-ico{color:var(--slate);transition:color .15s;flex:none;}
a.bchip:hover .ext-ico{color:var(--blue-cta);}
/* non-linked brand chips: muted, dashed, no pointer, with a short "no site" tag */
.bchip.nolink{cursor:default;background:var(--muted);border-style:dashed;}
.bchip.nolink img{filter:grayscale(1);opacity:.5;}
.bchip.nolink .nolink-tag{font-family:"Source Sans 3",sans-serif;font-weight:400;font-style:italic;font-size:11px;color:var(--slate);}
.brand-grid-group{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;align-items:stretch;}
.brand-block{margin-top:14px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:var(--shadow-sm);}
.brand-grid-group .brand-block{margin-top:0;min-height:136px;display:flex;flex-direction:column;justify-content:space-between;}
.brand-block .bh{display:flex;align-items:center;gap:12px;}
.brand-block .bh img{height:30px;width:auto;max-width:120px;object-fit:contain;}
.brand-block .bh a{display:inline-flex;align-items:center;gap:6px;font-family:"Lexend",sans-serif;font-weight:700;font-size:16px;color:var(--navy);}
.brand-block .bh a .ext-ico{color:var(--slate);transition:color .15s;}
.brand-block .bh a:hover .ext-ico{color:var(--blue-cta);}
.brand-block .bh span.nolink-name{display:inline-flex;align-items:center;gap:6px;font-family:"Lexend",sans-serif;font-weight:700;font-size:16px;color:var(--slate);}
.brand-block .bh span.nolink-name .nolink-tag{font-family:"Source Sans 3",sans-serif;font-weight:400;font-style:italic;font-size:12px;color:var(--slate);}
.brand-block.nolink .bh img{filter:grayscale(1);opacity:.5;}
.brand-block ul{margin:12px 0 0;padding-left:0;list-style:none;display:flex;flex-wrap:wrap;gap:8px;}
.brand-block li{font-size:13.5px;color:var(--slate);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:6px 11px;}

/* catalogue filter (B4) */
.cat-search{position:relative;flex:1 1 220px;min-width:180px;max-width:320px;}
.cat-search input[type="search"]{width:100%;font-family:"Source Sans 3",sans-serif;font-size:14.5px;
  color:var(--navy);background:#fff;border:1.5px solid var(--line);border-radius:10px;padding:10px 14px;
  min-height:44px;transition:border-color .15s;}
.cat-search input[type="search"]:focus{outline:none;border-color:var(--blue);}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.no-matches{margin-top:24px;padding:20px 22px;background:var(--muted);border:1px solid var(--line);
  border-radius:12px;color:var(--slate);font-size:15px;}

/* honest "find by vehicle" prompt (B5) */
.vehicle-prompt{background:var(--muted);border-bottom:1px solid var(--line);padding:16px 0;}
.vehicle-prompt .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.vehicle-prompt p{font-size:14.5px;color:var(--navy);max-width:60ch;}
.vehicle-prompt p b{font-family:"Lexend",sans-serif;}
.vehicle-prompt .btn{flex:none;}

/* ============ contact form ============ */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;box-shadow:var(--shadow-md);}
.field{margin-bottom:16px;}
.field label{display:block;font-family:"Lexend",sans-serif;font-weight:600;font-size:14px;margin-bottom:6px;}
.field input,.field select,.field textarea{width:100%;font-family:"Source Sans 3",sans-serif;font-size:15px;
  color:var(--navy);background:#fff;border:1.5px solid var(--line);border-radius:10px;padding:12px 14px;min-height:48px;transition:border-color .15s;}
.field textarea{min-height:120px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);}
.err{display:none;color:var(--red);font-size:13px;margin-top:5px;}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:var(--red);}
.field.invalid .err{display:block;}
/* required/optional markers (C4) */
.req-mark{color:var(--red);}
.opt-mark{font-weight:400;color:var(--slate);font-size:12.5px;margin-left:4px;}
.form-legend{font-size:13px;color:var(--slate);margin-bottom:18px;}
.form-legend .req-mark{margin-right:4px;}
/* phone-or-email group: one of the two required, not both (C4) */
.field-group{border:0;padding:0;margin:0 0 16px;min-width:0;}
.field-group legend{display:block;width:100%;padding:0;font-family:"Lexend",sans-serif;font-weight:600;font-size:14px;margin-bottom:10px;}
.field-group .field{margin-bottom:12px;}
.field-group .channel-err{margin-top:2px;}
.field-group.invalid .field input{border-color:var(--red);}
.field-group.invalid .channel-err{display:block;}
.form-ok{display:none;background:var(--muted);border:1px solid var(--sky);border-radius:12px;padding:22px;text-align:center;}
.form-ok.show{display:block;}
.form-ok h3{color:var(--blue-cta);}
.contact-info .row{display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--line);}
.contact-info .row:last-child{border-bottom:0;}
.contact-info .row svg{color:var(--blue-cta);flex:none;margin-top:2px;}
.contact-info .row b{font-family:"Lexend",sans-serif;font-size:14px;display:block;}
.contact-info .row span{color:var(--slate);font-size:14px;}
.route-list{display:grid;grid-template-columns:1fr 1fr;gap:8px 10px;margin-top:8px;}
.route-list a{display:block;color:var(--blue-cta);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:7px 9px;font-family:"Lexend",sans-serif;font-size:12.5px;font-weight:600;line-height:1.25;}
.route-list a:hover{border-color:var(--blue);background:#fff;}
.map-ph{margin-top:20px;height:220px;border-radius:14px;}

/* ============ article page ============ */
.article-body{max-width:65ch;margin-inline:auto;}
.article-body h2{font-size:26px;margin:34px 0 12px;}
.article-body p{font-size:17px;color:var(--text-body);margin-top:14px;}
.article-body ul{margin:14px 0 0 22px;}
.article-body li{font-size:17px;color:var(--text-body);margin-top:8px;}
.article-meta{display:flex;gap:14px;color:var(--slate);font-size:14px;margin-top:14px;}

/* ============ responsive additions ============ */
@media (max-width:980px){
  .brand-grid{grid-template-columns:repeat(3,1fr);}
  .contact-grid{grid-template-columns:1fr;gap:28px;}
  .proof-logos{grid-template-columns:repeat(3,1fr);}
  .proof-quotes{grid-template-columns:1fr;}
  .leadcap{grid-template-columns:1fr;padding:32px;}
}
@media (max-width:720px){
  .brand-grid{grid-template-columns:repeat(2,1fr);}
  .cat-toolbar{top:75px;}
  .part-row{flex-direction:column;align-items:flex-start;gap:10px;}
  .part-row .chips{justify-content:flex-start;}
  .route-list{grid-template-columns:1fr;}
}
@media (max-width:430px){
  .brand-grid{grid-template-columns:1fr 1fr;}
  .proof-logos{grid-template-columns:repeat(2,1fr);}
}