*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:Arial, sans-serif;background:#f2f4f7;color:#333;line-height:1.6;}
header{background:#0d1117;padding:18px;}
nav{max-width:1100px;margin:auto;display:flex;justify-content:space-between;align-items:center;}
nav a{color:#e5e7eb;margin-right:15px;text-decoration:none;font-size:0.95rem;}
nav a:hover{color:#fff;}
.container{max-width:1100px;margin:30px auto;padding:20px;background:#fff;border-radius:10px;box-shadow:0 0 15px rgba(0,0,0,0.08);}
.hero{background:#fff;padding:35px;border-radius:12px;margin-bottom:25px;box-shadow:0 0 20px rgba(0,0,0,0.1);}
.hero h1{font-size:2.2rem;margin-bottom:10px;}
.hero p{font-size:1.1rem;color:#555;margin-bottom:10px;}
.section-title{font-size:1.8rem;margin-bottom:15px;font-weight:bold;}
.service-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;}
.service-card{background:#fafafa;padding:20px;border-radius:10px;border:1px solid #eee;}
.service-card h3{margin-bottom:8px;}
footer{text-align:center;padding:20px;margin-top:30px;color:#777;}
ul li{margin-bottom:8px;}