:root{--ink:#0b1728;--navy:#0b2f5f;--blue:#1462a6;--sky:#eaf4fb;--ice:#f7fbfe;--gold:#f0a51a;--white:#fff;--muted:#5b6878;--line:#d9e3ec;--shadow:0 18px 45px rgba(11,47,95,.13);--radius:18px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);line-height:1.65;background:#fff}a{color:var(--blue);text-decoration:none}img{max-width:100%;display:block}h1,h2,h3{line-height:1.12;margin:0 0 .7rem;letter-spacing:-.025em}h1{font-size:clamp(2.25rem,5vw,4.75rem)}h2{font-size:clamp(1.7rem,3vw,2.7rem)}h3{font-size:1.2rem}.wrap{width:min(1180px,calc(100% - 36px));margin:auto}.topbar{background:var(--ink);color:#dbe7f2;font-size:.9rem}.topbar .wrap{display:flex;justify-content:space-between;padding:8px 0}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:12px;color:var(--navy);font-weight:900}.brand-mark{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--navy),var(--blue));display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:0 8px 20px rgba(11,47,95,.25)}.brand small{display:block;color:var(--muted);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase}.nav-links{display:flex;align-items:center;gap:24px}.nav-links a{color:var(--ink);font-weight:700;font-size:.94rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:13px 21px;font-weight:800;border:1px solid transparent;cursor:pointer}.btn-primary{background:var(--gold);color:#1d1605}.btn-dark{background:var(--navy);color:#fff}.btn-outline{border-color:#9db6cc;color:var(--navy);background:#fff}.mobile-call{display:none}.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff}.hero:before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,18,34,.94) 0%,rgba(5,18,34,.75) 46%,rgba(5,18,34,.28) 100%),url('images/img-shop-corvette.png') center/cover no-repeat}.hero .wrap{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center;min-height:650px;padding:72px 0}.eyebrow{display:inline-flex;gap:8px;align-items:center;text-transform:uppercase;letter-spacing:.12em;font-weight:900;font-size:.78rem;color:#8ed0ff}.hero p{font-size:1.18rem;color:#e6eef6;max-width:670px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0}.trust-row{display:flex;gap:24px;flex-wrap:wrap;color:#dce8f4;font-size:.92rem}.form-card{background:#fff;color:var(--ink);border-radius:22px;padding:26px;box-shadow:var(--shadow)}.form-card h2{font-size:1.7rem;color:var(--navy)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}.field label{font-weight:800;font-size:.88rem}.field input,.field select,.field textarea{width:100%;border:1px solid #bfd0df;border-radius:11px;padding:12px 13px;font:inherit;background:#fff}.field textarea{min-height:110px}.small{font-size:.8rem;color:var(--muted)}.section{padding:82px 0}.section.alt{background:var(--ice)}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}.section-head p{max-width:650px;color:var(--muted);margin:0}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:0 10px 28px rgba(11,47,95,.07)}.card img{width:100%;aspect-ratio:4/3;object-fit:cover}.card-body{padding:22px}.card p{color:var(--muted)}.band{background:linear-gradient(135deg,var(--navy),#0d4f88);color:#fff;border-radius:24px;padding:38px;display:flex;justify-content:space-between;align-items:center;gap:30px}.area-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.area-link{padding:14px 16px;border-radius:12px;background:#fff;border:1px solid var(--line);font-weight:800}.page-hero{background:linear-gradient(135deg,var(--ink),var(--navy));color:#fff;padding:75px 0}.page-hero p{max-width:760px;color:#dce8f3;font-size:1.1rem}.content{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:44px}.prose h2{margin-top:2.2rem;color:var(--navy)}.prose h3{margin-top:1.5rem}.prose p,.prose li{color:#394759}.sidebar{position:sticky;top:105px;height:max-content}.faq details{border:1px solid var(--line);border-radius:13px;padding:16px 18px;margin:12px 0;background:#fff}.faq summary{font-weight:900;cursor:pointer}.notice{background:#eef7fd;border-left:4px solid var(--blue);padding:17px;border-radius:10px}.footer{background:#071321;color:#c7d6e4;padding:60px 0 24px}.footer a{color:#e5eef6}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}.footer h3{color:#fff}.footer-bottom{border-top:1px solid #26384a;margin-top:38px;padding-top:22px;font-size:.82rem;color:#99adbf}.legal-links{display:flex;gap:16px;flex-wrap:wrap}.checklist{list-style:none;padding:0}.checklist li{padding-left:28px;position:relative;margin:9px 0}.checklist li:before{content:'✓';position:absolute;left:0;color:#16845b;font-weight:900}.photo-consent{display:flex;gap:10px;align-items:flex-start}.photo-consent input{margin-top:5px}.menu-btn{display:none}.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.gallery img{aspect-ratio:3/2;object-fit:cover;border-radius:14px}.breadcrumbs{font-size:.85rem;color:#cbd9e6;margin-bottom:16px}.breadcrumbs a{color:#fff}.pill{display:inline-block;padding:7px 11px;background:var(--sky);color:var(--navy);font-weight:800;border-radius:999px;font-size:.82rem}.cta-strip{padding:28px 0;background:var(--gold);color:#171104}.cta-strip .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px}.cta-strip h2{font-size:1.55rem;margin:0}.cta-strip .btn{background:var(--ink);color:#fff}@media(max-width:900px){.nav-links{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;padding:22px;flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--line)}.nav-links.open{display:flex}.menu-btn{display:block;border:0;background:var(--sky);padding:10px 12px;border-radius:10px;font-size:1.15rem}.nav .btn-dark{display:none}.mobile-call{display:flex;position:fixed;left:14px;right:14px;bottom:14px;z-index:80;background:var(--gold);color:#161003;padding:14px;border-radius:999px;justify-content:center;font-weight:900;box-shadow:0 10px 28px rgba(0,0,0,.25)}.hero .wrap{grid-template-columns:1fr;padding:58px 0}.hero:before{background:linear-gradient(rgba(5,18,34,.9),rgba(5,18,34,.82)),url('images/img-shop-corvette.png') center/cover}.grid-3,.grid-2,.footer-grid,.content{grid-template-columns:1fr}.area-list{grid-template-columns:1fr 1fr}.sidebar{position:static}.section{padding:60px 0}.gallery{grid-template-columns:1fr 1fr}}@media(max-width:560px){.topbar{display:none}.brand small{display:none}.form-grid,.area-list,.gallery{grid-template-columns:1fr}.section-head,.band,.cta-strip .wrap{align-items:flex-start;flex-direction:column}.hero .wrap{min-height:auto}.form-card{padding:19px}.wrap{width:min(100% - 24px,1180px)}}

/* Customer tools */
.visualizer{display:grid;grid-template-columns:360px 1fr;gap:34px;align-items:center}.visualizer-controls{background:var(--ice);border:1px solid var(--line);padding:24px;border-radius:18px}.visualizer-controls input[type=range]{width:100%;margin:24px 0}.preset-row{display:flex;flex-wrap:wrap;gap:8px}.preset-row button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;font-weight:800;cursor:pointer}.car-window-scene{position:relative;min-height:390px;border-radius:22px;overflow:hidden;background:linear-gradient(#8ed0ff 0 46%,#d9d7cf 46% 100%);box-shadow:var(--shadow)}.car-window-scene .sky:before{content:'';position:absolute;inset:25px 8% auto;height:110px;background:linear-gradient(90deg,#d8e9f2,#f8fbfd);clip-path:polygon(0 100%,13% 20%,25% 100%,40% 5%,56% 100%,73% 28%,100% 100%)}.car-body{position:absolute;left:8%;right:8%;bottom:28px;height:225px;background:linear-gradient(160deg,#dce2e8,#748393);border-radius:44% 35% 18% 18%/48% 45% 22% 22%;box-shadow:inset 0 -28px 0 #1d2b38}.car-body:before,.car-body:after{content:'';position:absolute;bottom:-17px;width:72px;height:72px;border-radius:50%;background:#101820;border:12px solid #52606c}.car-body:before{left:13%}.car-body:after{right:13%}.window{position:absolute;left:25%;right:25%;top:28px;height:92px;background:rgba(4,18,30,.65);clip-path:polygon(12% 0,88% 0,100% 100%,0 100%);display:grid;place-items:center;color:#fff;font-weight:900;transition:background .2s}.comparison-table{overflow-x:auto;margin-bottom:24px}.comparison-table table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line)}.comparison-table th,.comparison-table td{text-align:left;padding:15px;border-bottom:1px solid var(--line);vertical-align:top}.comparison-table th{background:var(--navy);color:#fff}.wizard-shell{max-width:920px;margin:auto}.wizard-step{border:1px solid var(--line);border-radius:18px;padding:24px;margin-bottom:18px;background:#fff;box-shadow:0 8px 24px rgba(11,47,95,.06)}.choice-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.choice{position:relative}.choice input{position:absolute;opacity:0}.choice span{display:block;border:2px solid var(--line);border-radius:14px;padding:16px;text-align:center;font-weight:800;cursor:pointer;height:100%}.choice input:checked+span{border-color:var(--blue);background:var(--sky);color:var(--navy)}@media(max-width:900px){.visualizer{grid-template-columns:1fr}.choice-grid{grid-template-columns:1fr 1fr}}@media(max-width:560px){.choice-grid{grid-template-columns:1fr}.car-window-scene{min-height:300px}}

/* Platform expansion */
.skip-link{position:absolute;left:-9999px;top:8px;background:#fff;color:#000;padding:10px;z-index:999}.skip-link:focus{left:8px}.tool-panel{border:1px solid var(--line);border-radius:22px;padding:28px;background:var(--ice);margin-bottom:34px}.result-card{display:none;margin-top:20px;padding:22px;border-radius:16px;background:#fff;border:2px solid var(--blue);box-shadow:0 8px 22px rgba(11,47,95,.08)}.result-card.show{display:block}.progress{height:9px;background:#dce8f1;border-radius:999px;margin-bottom:22px;overflow:hidden}.progress span{display:block;width:33%;height:100%;background:var(--gold)}.meter-set{display:grid;gap:18px;margin:24px 0}.meter-set div{display:grid;grid-template-columns:240px 1fr;gap:16px;align-items:center}.meter-set meter{width:100%;height:24px}.glossary dt{font-weight:900;color:var(--navy);margin-top:20px}.glossary dd{margin-left:0;color:#394759}.nav-links{gap:15px}.nav-links a{font-size:.88rem}@media(max-width:700px){.meter-set div{grid-template-columns:1fr}.tool-panel{padding:18px}}
/* I-12 interstate shield brand system */
.brand{display:flex;align-items:center;flex:0 0 auto;line-height:0}
.brand-logo{width:86px;height:auto;max-width:100%;display:block}
@media(max-width:1120px) and (min-width:901px){
  .brand-logo{width:78px}
  .nav-links{gap:10px}
  .nav-links a{font-size:.82rem}
}
@media(max-width:900px){
  .nav{height:86px}
  .nav-links{top:86px}
  .brand-logo{width:82px}
}
@media(max-width:420px){
  .brand-logo{width:74px}
}