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

body{
    background:linear-gradient(135deg,#414c64,#1b7ae7);
    color:white;
    transition:0.3s;
}

.dark{
    background:#111;
}

nav{
    position:fixed;
    width:100%;
    background:rgba(0,0,0,0.85);
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:15px 40px;
    z-index:1000;
}

.logo{
    font-weight:bold;
}

ul{
    list-style:none;
    display:flex;
}

ul li{
    margin-left:20px;
}

ul li a{
    color:white;
    text-decoration:none;
    transition:0.3s;
}

ul li a:hover{
    color:rgb(108, 99, 255);
}

.controls{
    display:flex;
    gap:10px;
    align-items:center;
}

select, button{
    padding:6px 10px;
    border:none;
    border-radius:6px;
    cursor:pointer;
}


section{
    padding:120px 40px;
    min-height:100vh;
}

.card{
    background:rgba(255,255,255,0.1);
    padding:20px;
    margin:20px 0;
    border-radius:15px;
}

button{
    background:#00f2fe;
}

.logo {
    color: white;
    font-size: 24px;    
    font-weight: bold;
    letter-spacing: 2px;
    cursor: pointer;
    transition: 0.3s;
}

.logo:hover {
    color: rgb(108, 99, 255);
    transform: scale(1.1);
}
#quizsection {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh; 
    width: 100%;
}

#quizsection .card {
    scale: 1.2;
    max-width: 600px; 
    margin: 0 auto;   
    padding: 30px;    
    box-sizing: border-box;
}