*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:Arial,sans-serif;
}

body{
background:#f6f8fb;
color:#222;
}

.container{
width:90%;
max-width:1200px;
margin:auto;
}

header{
background:#fff;
padding:20px 0;
box-shadow:0 2px 10px rgba(0,0,0,.05);
}

header .container{
display:flex;
justify-content:space-between;
align-items:center;
}

nav a{
margin-left:20px;
text-decoration:none;
color:#333;
font-weight:bold;
}

.hero{
padding:100px 0;
text-align:center;
}

.hero h1{
font-size:50px;
margin-bottom:20px;
}

.hero p{
font-size:20px;
margin-bottom:30px;
}

.btn{
background:#2563eb;
color:#fff;
padding:15px 35px;
border-radius:8px;
text-decoration:none;
display:inline-block;
}

.features{
padding:80px 0;
}

.features .container{
display:flex;
gap:20px;
}

.card{
background:#fff;
padding:30px;
border-radius:10px;
flex:1;
box-shadow:0 3px 12px rgba(0,0,0,.08);
}

footer{
padding:30px;
text-align:center;
background:#fff;
margin-top:50px;
}