:root{
  --blue:#28347f;
  --blue-dark:#18215b;
  --ink:#141414;
  --muted:#64676f;
  --line:#e6e7eb;
  --soft:#f5f6f8;
  --white:#ffffff;
  --max:1180px;
  --shadow:0 16px 45px rgba(15,22,55,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.topbar{background:var(--ink);color:#fff;font-size:.92rem}
.topbar .container{display:flex;justify-content:space-between;gap:24px;align-items:center;padding:8px 0}
.topbar a{color:#fff}
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:84px}
.brand{display:flex;align-items:center;gap:14px;min-width:305px}
.wordmark{display:flex;align-items:center;gap:10px;line-height:.92}
.wordmark-left{font-family:Georgia,'Times New Roman',serif;font-weight:900;font-size:1.1rem;letter-spacing:-.02em;text-transform:uppercase}
.wordmark-left span{display:block}
.wordmark-right{background:var(--blue);color:#fff;padding:10px 18px 11px;font-family:'Brush Script MT','Segoe Script',cursive;font-size:1.55rem;font-style:italic;white-space:nowrap}
.navlinks{display:flex;align-items:center;gap:22px;font-size:.96rem;font-weight:700}
.navlinks a:hover{color:var(--blue)}
.lang{border-left:1px solid var(--line);padding-left:18px}
.menu-toggle{display:none;background:none;border:0;font-size:1.6rem}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 19px;border-radius:2px;border:2px solid var(--blue);font-weight:800;line-height:1.1;transition:.18s ease;cursor:pointer}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark);border-color:var(--blue-dark)}
.btn-dark{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--blue)}
.hero{position:relative;min-height:610px;display:grid;align-items:center;overflow:hidden;background:#202020}
.hero:before{content:'';position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(8,12,35,.88) 0%,rgba(8,12,35,.62) 52%,rgba(8,12,35,.24) 100%),url('https://www.pneusstlaurent.com/img/banner.png');background-size:cover;background-position:center}
.hero .container{position:relative;z-index:2}
.hero-copy{max-width:780px;color:#fff;padding:76px 0 96px}
.eyebrow{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;font-weight:900;color:var(--blue)}
.hero .eyebrow{color:#dfe3ff}
h1{font-family:Georgia,'Times New Roman',serif;font-size:clamp(2.5rem,5vw,5rem);line-height:1.03;letter-spacing:-.035em;margin:.15em 0 .28em;font-weight:700}
.hero p{font-size:1.18rem;max-width:720px;color:#eef0f6;margin:0 0 26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.trustbar{position:relative;margin-top:-42px;z-index:3}
.trustgrid{background:#fff;box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(5,1fr);border-radius:3px;overflow:hidden}
.trustitem{padding:22px 18px;text-align:center;border-right:1px solid var(--line)}
.trustitem:last-child{border-right:0}
.trustitem strong{display:block;font-size:1.05rem;color:var(--blue)}
.trustitem span{font-size:.84rem;color:var(--muted)}
section{padding:88px 0}
.section-head{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:36px}
.section-head h2,.content h2{font-family:Georgia,'Times New Roman',serif;font-size:clamp(2rem,3.4vw,3.4rem);line-height:1.08;margin:.2em 0;color:var(--ink);letter-spacing:-.025em}
.section-head p{max-width:600px;color:var(--muted);margin:0}
.services{background:var(--soft)}
.cardgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);padding:30px;min-height:250px;display:flex;flex-direction:column;justify-content:space-between;transition:.18s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#d8d9df}
.card .num{font-size:.78rem;color:var(--blue);font-weight:900;letter-spacing:.12em}
.card h3{font-family:Georgia,'Times New Roman',serif;font-size:1.55rem;line-height:1.15;margin:8px 0 12px}
.card p{color:var(--muted);margin:0 0 22px}
.card .more{font-weight:900;color:var(--blue)}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.photo-panel{min-height:520px;background:linear-gradient(135deg,#232323,#090909);position:relative;overflow:hidden;box-shadow:var(--shadow)}
.photo-panel:before{content:'';position:absolute;inset:0;background:url('https://www.pneusstlaurent.com/img/banner.png') center/cover;opacity:.72}
.photo-panel:after{content:'13 BAIES';position:absolute;right:18px;bottom:14px;color:#fff;font-family:Georgia,serif;font-size:2.3rem;font-weight:700;letter-spacing:.04em}
.checklist{display:grid;gap:12px;margin:24px 0}
.check{display:flex;gap:12px;align-items:flex-start}
.check i{font-style:normal;color:var(--blue);font-weight:900}
.process{background:var(--ink);color:#fff}
.process .section-head h2,.process .section-head p{color:#fff}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:#3b3b3b;border:1px solid #3b3b3b}
.step{background:var(--ink);padding:28px 22px;min-height:210px}
.step span{font-size:.75rem;letter-spacing:.14em;color:#bbc2ff;font-weight:900}
.step h3{font-family:Georgia,serif;font-size:1.32rem;margin:10px 0 8px}
.step p{color:#cfcfd4;font-size:.94rem;margin:0}
.affiliations{padding:50px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.aff-grid{display:grid;grid-template-columns:1.2fr repeat(4,1fr);align-items:center;gap:18px}
.aff-box{border:1px solid var(--line);min-height:105px;display:flex;align-items:center;justify-content:center;text-align:center;padding:18px;font-weight:900;color:var(--blue);background:#fff}
.aff-box small{display:block;color:var(--muted);font-weight:600}
.reviews{background:#fff}
.quotegrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote{border-top:4px solid var(--blue);background:var(--soft);padding:28px;min-height:230px}
.quote p{font-family:Georgia,serif;font-size:1.13rem;margin:0 0 20px}
.quote cite{font-style:normal;font-weight:800;color:var(--muted);font-size:.9rem}
.faq{background:var(--soft)}
details{background:#fff;border:1px solid var(--line);margin-bottom:10px;padding:0 22px}
summary{cursor:pointer;font-weight:900;padding:18px 34px 18px 0;position:relative;list-style:none}
summary::-webkit-details-marker{display:none}
summary:after{content:'+';position:absolute;right:0;top:17px;color:var(--blue);font-size:1.4rem}
details[open] summary:after{content:'−'}
details p{color:var(--muted);margin:0 0 20px;max-width:900px}
.cta{background:var(--blue);color:#fff;padding:70px 0}
.cta-wrap{display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta h2{font-family:Georgia,serif;font-size:clamp(2rem,4vw,3.5rem);margin:0 0 10px}
.cta p{margin:0;color:#e5e8ff}
.footer{background:#0c0c0d;color:#fff;padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer h4{font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;color:#b9c0ff;margin:0 0 16px}
.footer p,.footer a{color:#c8c8cd;font-size:.93rem}
.footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid #2b2b2d;margin-top:38px;padding-top:20px;color:#8c8c91;font-size:.85rem;display:flex;justify-content:space-between;gap:20px}
.page-hero{background:linear-gradient(135deg,#101527,#28347f);color:#fff;padding:92px 0 78px}
.page-hero h1{font-size:clamp(2.5rem,5vw,4.4rem);max-width:900px}
.page-hero p{max-width:780px;color:#e7e9f2;font-size:1.12rem}
.breadcrumb{font-size:.84rem;color:#cbd0ff;margin-bottom:18px}
.content{padding:72px 0}
.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:56px}
.content h3{font-family:Georgia,serif;font-size:1.5rem;margin:30px 0 10px}
.content p,.content li{color:#4f5258}
.content ul{padding-left:22px}
.sidebar{position:sticky;top:112px;align-self:start;background:var(--soft);padding:26px;border:1px solid var(--line)}
.sidebar h3{margin:0 0 12px;font-size:1.15rem}
.sidebar .btn{width:100%;margin-top:10px}
.notice{border-left:4px solid var(--blue);background:#f0f2fb;padding:18px 20px;margin:24px 0;color:#303449}
.policy{background:#fff;border:1px solid var(--line);padding:24px;margin:20px 0}
.policy strong{color:var(--blue)}
.resource-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.resource{border:1px solid var(--line);padding:28px;background:#fff}
.resource h3{margin-top:0}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:42px}
.contact-box{background:var(--soft);padding:34px;border:1px solid var(--line)}
form{display:grid;gap:15px}
label{font-weight:800;font-size:.9rem}
input,textarea,select{width:100%;padding:13px 14px;border:1px solid #cfd1d8;background:#fff;font:inherit}
textarea{min-height:150px;resize:vertical}
.mobilebar{display:none}
@media (max-width:980px){
  .navlinks{display:none}.menu-toggle{display:block}.nav.open .navlinks{display:flex;position:absolute;top:84px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:24px 20px;border-bottom:1px solid var(--line)}
  .trustgrid{grid-template-columns:repeat(2,1fr)}.trustitem{border-bottom:1px solid var(--line)}
  .cardgrid,.quotegrid{grid-template-columns:1fr 1fr}.split,.content-grid,.contact-grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr}.aff-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.sidebar{position:static}
}
@media (max-width:640px){
  .container{width:min(var(--max),calc(100% - 28px))}.topbar .container{font-size:.78rem}.topbar .desktop-only{display:none}.brand{min-width:0}.wordmark-left{font-size:.78rem}.wordmark-right{font-size:1.12rem;padding:8px 10px}.nav{min-height:74px}.hero{min-height:560px}.hero-copy{padding:58px 0 84px}.hero p{font-size:1.03rem}.trustbar{margin-top:-30px}.trustgrid{grid-template-columns:1fr 1fr}.trustitem{padding:16px 10px}.section-head{display:block}.cardgrid,.quotegrid,.steps,.aff-grid,.resource-grid,.footer-grid{grid-template-columns:1fr}.photo-panel{min-height:350px}.cta-wrap{display:block}.cta .btn{margin-top:22px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:8px}.mobilebar{position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);box-shadow:0 -4px 20px rgba(0,0,0,.08)}.mobilebar a{padding:14px;text-align:center;font-weight:900}.mobilebar a:first-child{background:var(--ink);color:#fff}.mobilebar a:last-child{background:var(--blue);color:#fff}body{padding-bottom:50px}
}


/* v2 content additions */
.callout-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:28px 0}
.callout{border:1px solid var(--line);background:#fff;padding:24px}
.callout strong{display:block;color:var(--blue);font-size:1.05rem;margin-bottom:6px}
.factgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:26px 0}
.fact{background:var(--soft);border:1px solid var(--line);padding:20px;text-align:center}
.fact strong{display:block;color:var(--blue);font-size:1.35rem}
.article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.article-card{border:1px solid var(--line);background:#fff;padding:28px;display:flex;flex-direction:column;justify-content:space-between;min-height:265px}
.article-card .tag{font-size:.75rem;font-weight:900;letter-spacing:.12em;color:var(--blue);text-transform:uppercase}
.article-card h3{font-family:Georgia,serif;font-size:1.55rem;line-height:1.18;margin:9px 0 10px}
.article-card p{color:var(--muted)}
.source-note{font-size:.85rem;color:var(--muted);border-top:1px solid var(--line);padding-top:18px;margin-top:32px}
.visual{border:1px solid var(--line);background:#fff;padding:26px;margin:26px 0}
.tread-scale{display:grid;grid-template-columns:1fr 1fr 1fr;gap:3px;margin:18px 0}
.tread-scale div{padding:18px;text-align:center;font-weight:800}
.tread-scale .good{background:#e8f4eb}.tread-scale .watch{background:#fff5d9}.tread-scale .limit{background:#fbe5e5}
.oil-swatches{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0}
.swatch{border:1px solid var(--line);padding:18px;text-align:center}
.oil-dot{width:64px;height:64px;border-radius:50%;margin:0 auto 10px;border:2px solid #bbb}
.pad-chart{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
.pad-chart div{padding:18px;border:1px solid var(--line);background:var(--soft)}
.policy-banner{background:#f0f2fb;border:1px solid #cfd5f5;border-left:5px solid var(--blue);padding:22px;margin:24px 0}
.phone-only{background:var(--blue);color:#fff;padding:22px;border-radius:2px;margin:22px 0}
.phone-only a{color:#fff;font-weight:900;text-decoration:underline}
.owner-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin:26px 0}
.owner-card{background:var(--soft);border:1px solid var(--line);padding:26px}
.lang-switch{display:flex;gap:8px;align-items:center;font-size:.84rem}
.lang-switch a{padding:6px 7px;border:1px solid var(--line)}
.lang-switch a[aria-current="page"]{background:var(--blue);color:#fff;border-color:var(--blue)}
@media(max-width:980px){.factgrid{grid-template-columns:1fr 1fr}.callout-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.article-list,.owner-grid,.oil-swatches,.pad-chart,.tread-scale,.callout-grid,.factgrid{grid-template-columns:1fr}}

/* v4 contact, map and multilingual additions */
.map-section{padding:0;background:#fff}
.map-wrap{width:100%;height:430px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden}
.map-wrap iframe{width:100%;height:100%;border:0;display:block}
.contact-form-panel{background:#fff;border:1px solid var(--line);padding:30px;margin-top:28px;box-shadow:0 10px 30px rgba(15,22,55,.06)}
.contact-form-panel h2{margin-top:0}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.form-note{font-size:.88rem;color:var(--muted);margin:0}
.required{color:var(--blue)}
.honeypot{display:none!important}
.map-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
@media(max-width:640px){.map-wrap{height:330px}.form-row{grid-template-columns:1fr}.contact-form-panel{padding:22px}}