:root{--blue:#0d3b66;--green:#06d6a0;--orange:#f4a261}
body{font-family:Arial;margin:0;background:#f4f6f8}
header{background:#fff;border-bottom:1px solid #ddd}
.container{width:90%;margin:auto}
.header-flex{display:flex;justify-content:space-between;align-items:center}
.logo{height:42px}
nav a{margin:0 12px;text-decoration:none;color:#333;font-weight:bold}
.hero{background:var(--blue);color:#fff;text-align:center;padding:80px}
.btn{background:var(--green);color:#fff;padding:12px 22px;border-radius:6px;text-decoration:none;display:inline-block}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:22px;margin-top:30px}
.card{background:#fff;border-radius:10px;padding:18px;box-shadow:0 4px 12px rgba(0,0,0,.08)}
.badge{background:var(--orange);color:#fff;padding:4px 8px;border-radius:4px;font-size:12px}
.stock.sold{color:red;font-weight:bold}
.filters select{padding:10px;margin:8px}
footer{text-align:center;background:#222;color:#fff;padding:25px;margin-top:60px}