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

body{
    background: linear-gradient(135deg, #C9D6E3, #E2EBF0);
    min-height:100vh;
    display:flex;
    flex-direction:column;
    align-items:center;
}

nav{
    width:100%;
    margin:0;
    padding:0;
    background:#000000;
}

nav ul{
    margin:0;
    padding:0;
    list-style:none;
    display:flex;
    width:100%;
}

nav li{
    flex:1;
    text-align:center;
}

nav a{
    display:block;
    padding:20px 0;
    color:white;
    text-decoration:none;
    font-weight:bold;
}

nav li a:hover{
    color: white;
    background:#312f2f;
    border-radius:5px;
}
h1{
    color:rgb(252, 249, 249);
    margin-bottom:30px;
    font-size:38px;
    text-shadow:2px 2px 8px rgba(0,0,0,.3);
}

div a{
    display:block;
    width:260px;
    text-align:center;
    margin:10px 0;
    padding:15px;
    text-decoration:none;

    background:#2F3E46;
    color:#ECF0F1;
    border:1px solid #3E5360;
    border-radius:12px;

    font-size:18px;
    transition:all .3s ease;
}

div a:hover{
    background:#435B66;
    color:#ffffff;
    transform:translateY(-5px) scale(1.03);
    box-shadow:0 10px 20px rgba(0,0,0,.3);
}