*{margin:0;padding:0;box-sizing:border-box}
body{font-family:Arial,Helvetica,sans-serif;background:#f4f6f8;color:#333;line-height:1.7}
.container{width:90%;max-width:1000px;margin:auto}
header{background:#0f172a;color:#fff;text-align:center;padding:80px 20px}
header h1{font-size:42px;margin-bottom:15px}
.tagline{font-size:20px;color:#d1d5db}
section{padding:70px 0}
.hero{background:#fff}
.hero h2,.services h2,.contact h2{margin-bottom:20px;color:#0f172a}
.hero p{margin-bottom:20px}
.services{background:#eef2ff}
.services ul{margin-left:20px}
.services li{margin-bottom:10px}
.contact{background:#fff}
footer{background:#0f172a;color:#fff;text-align:center;padding:30px}