body{font-family:Arial,sans-serif;margin:0;background:#f5f7fb;color:#222;line-height:1.7}
header{background:#0f172a;color:#fff;padding:18px 40px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap}
.logo{font-size:24px;font-weight:bold}
.nav a{color:#fff;margin:0 10px;text-decoration:none}
.hero{padding:70px 20px;text-align:center;background:linear-gradient(135deg,#0f172a,#1e3a8a);color:#fff}
.hero h1{font-size:42px;margin-bottom:20px}
.hero p{max-width:1000px;margin:auto;font-size:18px}
.container{max-width:1200px;margin:auto;padding:40px 20px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.card{background:#fff;border-radius:16px;padding:24px;text-decoration:none;color:#111;box-shadow:0 4px 12px rgba(0,0,0,.08);transition:.2s}
.card:hover{transform:translateY(-5px)}
.card h3{margin-top:0}
.section-title{text-align:center;font-size:34px;margin-bottom:30px}
.tri{margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid #ddd}
.footer{background:#0f172a;color:#fff;text-align:center;padding:20px;margin-top:40px}
.btn{display:inline-block;margin:10px;padding:14px 22px;border-radius:10px;background:#25d366;color:#fff;text-decoration:none;font-weight:bold}
.service-box{background:#fff;padding:30px;border-radius:18px;box-shadow:0 4px 12px rgba(0,0,0,.08)}