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

body{
background:#0f1117;
color:#ffffff;
min-height:100vh;
}

header{
background:#171b26;
padding:20px;
display:flex;
justify-content:space-between;
align-items:center;
border-bottom:1px solid #2a3142;
}

.logo{
font-size:28px;
font-weight:bold;
color:#4ea1ff;
}

nav a{
color:white;
text-decoration:none;
margin-left:20px;
transition:0.2s;
}

nav a:hover{
color:#4ea1ff;
}

.container{
max-width:1200px;
margin:auto;
padding:60px 20px;
}

.hero{
text-align:center;
padding-top:80px;
}

.hero h1{
font-size:60px;
margin-bottom:20px;
}

.hero p{
font-size:20px;
color:#b8c0d4;
margin-bottom:40px;
}

.button{
display:inline-block;
padding:15px 30px;
background:#4ea1ff;
color:white;
text-decoration:none;
border-radius:10px;
transition:0.2s;
margin:10px;
}

.button:hover{
background:#2d7fe0;
}

.card{
background:#171b26;
padding:30px;
border-radius:15px;
max-width:500px;
margin:auto;
border:1px solid #2a3142;
}

input{
width:100%;
padding:15px;
margin-top:15px;
background:#0f1117;
border:1px solid #2a3142;
border-radius:10px;
color:white;
}

button{
width:100%;
padding:15px;
margin-top:20px;
background:#4ea1ff;
border:none;
border-radius:10px;
color:white;
font-size:16px;
cursor:pointer;
}

button:hover{
background:#2d7fe0;
}