:root{
  --black:#080808;
  --dark:#111111;
  --card:#1a1a1a;
  --muted:#b7b7b7;
  --white:#ffffff;
  --orange:#ff5b00;
  --gold:#ffd000;
  --border:rgba(255,255,255,.12);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,Arial,sans-serif;background:var(--black);color:var(--white);line-height:1.6}
a{color:inherit;text-decoration:none}
.container{width:min(1180px,92%);margin:auto}
.site-header{position:fixed;top:0;left:0;right:0;z-index:99;background:rgba(0,0,0,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.nav-wrap{height:82px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:flex-start;gap:12px;font-weight:900}
.logo-mark{background:var(--orange);color:#fff;padding:9px 11px;border-radius:12px}
.logo-text{letter-spacing:.2px}.logo-text span{display:block;color:var(--orange);font-size:14px;margin-top:-2px}
.nav-menu{display:flex;align-items:center;gap:26px;font-weight:700}
.nav-menu a{color:#eaeaea}
.nav-call{background:var(--orange);padding:12px 18px;border-radius:999px;color:#fff!important}
.menu-toggle{display:none;background:none;color:#fff;border:0;font-size:30px}
.hero{position:relative;min-height:770px;display:flex;align-items:center;background:linear-gradient(135deg,#090909,#181818 55%,#301000);overflow:hidden}
.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 40%,rgba(255,91,0,.28),transparent 33%),url('images/hero-bg-new.jpg');background-size:cover;background-position:center;opacity:.55}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.9),rgba(0,0,0,.55),rgba(0,0,0,.1))}
.hero-content{position:relative;padding-top:90px;max-width:1180px}
.eyebrow{display:inline-block;color:var(--gold);font-weight:900;text-transform:uppercase;letter-spacing:1.6px;font-size:13px;margin-bottom:14px}
.hero h1{font-size:clamp(42px,6vw,78px);line-height:1.02;max-width:820px;font-weight:900;letter-spacing:-2px}
.hero p{font-size:20px;color:#ddd;max-width:680px;margin:24px 0}
.hero-actions{display:flex;gap:15px;flex-wrap:wrap;margin:32px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:900;border-radius:999px;padding:15px 24px;transition:.25s}
.btn:hover{transform:translateY(-2px)}
.btn-primary,.btn-card{background:var(--orange);color:#fff}
.btn-secondary{border:1px solid #fff;color:#fff;background:rgba(255,255,255,.05)}
.btn-dark{background:#111;color:#fff}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;max-width:900px;margin-top:34px}
.trust-grid div{background:rgba(255,255,255,.1);border:1px solid var(--border);padding:16px;border-radius:16px;font-weight:800;text-align:center}
.section{padding:105px 0}
.dark-section{background:#0e0e0e}
.metal-section{background:linear-gradient(135deg,#151515,#070707)}
.section-heading{text-align:center;margin-bottom:45px}
.section-heading h2,.why-wrap h2,.contact-wrap h2{font-size:clamp(32px,4vw,52px);line-height:1.08;font-weight:900;letter-spacing:-1.3px}
.section-heading p,.why-wrap p,.contact-wrap p{color:var(--muted);font-size:18px;margin-top:12px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.product-card{position:relative;background:linear-gradient(180deg,#202020,#111);border:1px solid var(--border);border-radius:28px;padding:22px;box-shadow:0 25px 80px rgba(0,0,0,.28);overflow:hidden}
.product-card.featured{border-color:rgba(255,91,0,.5);transform:translateY(-8px)}
.image-box{height:220px;border-radius:22px;background-size:cover;background-position:center center;background-repeat:no-repeat;margin-bottom:18px;border:1px solid var(--border)}
.rebuilt-engine-new-1{background-image:linear-gradient(rgba(0,0,0,.12),rgba(0,0,0,.12)),url('images/rebuilt-engine-new-1.jpg')}
.premium-engine-new{background-image:url('images/premium-engine-new.jpg')}
.basic-engine-new-1{background-image:url('images/basic-engine-new-1.jpg')}
.rebuilt-transmission-new{background-image:url('images/rebuilt-transmission-new.jpg')}
.premium-transmission-new-1{background-image:url('images/premium-transmission-new-1.jpg')}
.basic-transmission-new{background-image:url('images/basic-transmission-new.jpg')}
.badge{display:inline-block;background:rgba(255,91,0,.15);border:1px solid rgba(255,91,0,.35);color:#ffb38a;padding:7px 12px;border-radius:999px;font-weight:900;font-size:12px;margin-bottom:12px}
.product-card h3{font-size:25px;margin-bottom:10px}
.product-card p{color:#cfcfcf}
.product-card h4{font-size:27px;color:var(--gold);margin:18px 0}
.product-card ul{list-style:none;margin:0 0 22px}
.product-card li{color:#ddd;margin:9px 0}
.product-card li:before{content:"✓";color:var(--orange);font-weight:900;margin-right:8px}
.btn-card{width:100%}
.why-section{background:#101010}
.why-wrap{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.why-list{display:grid;gap:14px}
.why-list div{background:var(--card);border:1px solid var(--border);padding:18px;border-radius:16px;font-weight:800}
.why-wrap .btn{margin-top:26px}
.shipping-cta{background:linear-gradient(135deg,var(--orange),#ff8a00);color:#fff;text-align:center;padding:82px 0}
.shipping-cta h2{font-size:clamp(34px,5vw,58px);line-height:1.05}
.shipping-cta p{font-size:20px;margin:14px 0 24px}
.testimonials{background:#090909}
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.testimonial-card{background:#171717;border:1px solid var(--border);padding:26px;border-radius:24px;color:var(--gold);font-weight:900}
.testimonial-card p{color:#eee;font-weight:500;margin:14px 0}
.testimonial-card strong{color:#fff}
.contact-section{background:linear-gradient(135deg,#101010,#000)}
.contact-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:center}
.phone-large{display:block;font-size:clamp(34px,5vw,56px);font-weight:900;color:var(--orange);margin-top:24px}
.contact-card{background:#171717;border:1px solid var(--border);border-radius:28px;padding:32px}
.contact-card h3{font-size:28px;margin-bottom:14px}
.contact-card p{margin:12px 0;color:#ddd}
.full{width:100%;margin-top:18px}
.footer{background:#000;border-top:1px solid var(--border);padding:35px 0 80px}
.footer-wrap{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:25px}
.footer a{display:block;color:#ddd;margin:7px 0}
.footer p{color:#aaa}
.floating-call{position:fixed;right:18px;bottom:18px;z-index:100;background:var(--orange);color:#fff;padding:15px 22px;border-radius:999px;font-weight:900;box-shadow:0 12px 35px rgba(255,91,0,.45)}
@media(max-width:900px){
  .menu-toggle{display:block}
  .nav-menu{position:absolute;top:82px;left:0;right:0;background:#050505;display:none;flex-direction:column;padding:24px;border-bottom:1px solid var(--border)}
  .nav-menu.active{display:flex}
  .hero{min-height:720px}
  .trust-grid,.card-grid,.testimonial-grid,.why-wrap,.contact-wrap,.footer-wrap{grid-template-columns:1fr}
  .product-card.featured{transform:none}
  .hero-actions .btn{width:100%}
  .trust-grid div{text-align:left}
  .logo-text{font-size:14px}
  .section{padding:72px 0}
}
@media(max-width:520px){
  .nav-wrap{height:74px}
  .nav-menu{top:74px}
  .hero h1{letter-spacing:-1px}
  .hero p{font-size:17px}
  .image-box{height:190px}
  .floating-call{left:16px;right:16px;text-align:center}
  .footer{padding-bottom:95px}
}