*{margin:0;padding:0;box-sizing:border-box;font-family:Arial,Helvetica,sans-serif;}
body{background:#ffffff;color:#111;line-height:1.6;}
header{width:100%;padding:18px 50px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;background:#fff;box-shadow:0 4px 20px rgba(0,0,0,.06);z-index:10;}
.logo{font-size:24px;font-weight:800;color:#111;}
nav a{margin-left:25px;text-decoration:none;color:#111;font-weight:500;}
.hero{padding:120px 10%;background:#fff;}
.hero h1{font-size:48px;margin-bottom:15px;}
.hero p{max-width:650px;color:#444;}
.btn{display:inline-block;margin-top:20px;padding:12px 22px;border-radius:8px;background:#000;color:#fff;text-decoration:none;}
.section{padding:90px 10%;}
.card-area{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;}
.card{padding:25px;border-radius:18px;background:#fff;box-shadow:0 10px 40px rgba(0,0,0,.08);transition:all .3s}
.card:hover{transform:translateY(-5px);}
footer{padding:50px;text-align:center;background:#111;color:white;margin-top:40px;}
.fade{opacity:0;transform:translateY(25px);transition:1s}
.show{opacity:1;transform:translateY(0)}