*{margin:0;padding:0;box-sizing:border-box;font-family:Arial,Helvetica,sans-serif}
body{background:#0d0d0d;color:#fff}
a{text-decoration:none;color:#f7c600}
.container{width:90%;max-width:1200px;margin:auto}
header{background:#000;padding:15px 0;border-bottom:4px solid #f7c600}
nav{display:flex;justify-content:space-between;align-items:center}
nav img{height:60px}
nav ul{list-style:none;display:flex;gap:25px}
nav ul li a{color:#fff;font-weight:bold}
.hero{height:85vh;background:linear-gradient(rgba(0,0,0,.7),rgba(0,0,0,.7)),url('images/excavator.jpg') center/cover no-repeat;display:flex;align-items:center;text-align:center}
.hero h1{font-size:46px;margin-bottom:20px}
.hero p{font-size:20px;margin-bottom:30px}
.btn{padding:14px 30px;background:#f7c600;color:#000;font-weight:bold;border-radius:6px}
section{padding:70px 0}
.section-title{text-align:center;margin-bottom:40px;font-size:32px;color:#f7c600}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:25px}
.card{background:#1a1a1a;padding:30px;border-radius:8px;border-left:6px solid #f7c600}
.gallery img{width:100%;border-radius:8px}
footer{background:#000;text-align:center;padding:25px;border-top:4px solid #f7c600}