:root{
  --gold:#C5A028;
  --bg:#0a0a0a;
  --card:#111;
  --text:#d4d4d4;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
.container{max-width:1100px;margin:0 auto;padding:0 24px}
header{position:sticky;top:0;background:rgba(10,10,10,.9);border-bottom:1px solid #222;backdrop-filter:blur(6px);z-index:10}
header .bar{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
header .logo-lockup{display:flex;align-items:center;gap:12px}
header .logo-lockup img{height:88px} /* Larger crest on desktop */
h1.logo{color:var(--gold);letter-spacing:.18em;font-size:2rem}
nav a{color:#bbb;margin:0 10px;text-decoration:none}
nav a:hover{color:#fff}
.btn{display:inline-block;padding:12px 18px;border-radius:12px;font-weight:600;text-decoration:none}
.btn-gold{background:var(--gold);color:#111}
.btn-outline{border:1px solid var(--gold);color:var(--gold)}
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;
      background:url('../assets/escalade.png') center/cover no-repeat}
.hero::before{content:'';position:absolute;inset:0;background:rgba(0,0,0,.7)}
.hero .content{position:relative;z-index:2;max-width:800px;padding:20px}
h2{color:var(--gold);margin:16px 0;font-size:2.5rem}
section{padding:60px 0;border-top:1px solid #222}
.cards{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.card{background:var(--card);border:1px solid #222;border-radius:16px;padding:20px}
footer{border-top:1px solid #222;text-align:center;padding:20px;color:#888}
.scroll-arrow{margin-top:30px;display:inline-block;color:#ccc;animation:bounce 2s infinite;opacity:0;
              animation:fadeIn 2s ease-in-out 2s forwards,bounce 2s infinite}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(10px)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.vehicle{display:grid;grid-template-columns:1fr;gap:22px;align-items:center}
.vehicle img{width:100%;border-radius:16px;border:1px solid #222}
@media(min-width:900px){.vehicle{grid-template-columns:1fr 1fr}}

/* Mobile optimizations */
@media(max-width:640px){
  header .logo-lockup img{height:56px}        /* scale crest down on phones */
  h1.logo{font-size:1.35rem; letter-spacing:.14em}
  .hero{min-height:85vh}
  h2{font-size:2rem}
  .container{padding:0 16px}
  nav{display:none}                            /* simplify header on small screens */
}