*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;
}

body{
    height:100vh;
    display:flex;
    justify-content:center;
    align-items:center;
    overflow:hidden;
    background:#0f172a;
    color:#fff;
}

.background{
    position:fixed;
    width:100%;
    height:100%;
    background:
    radial-gradient(circle at top left,#00d4ff33,transparent 40%),
    radial-gradient(circle at bottom right,#7c3aed55,transparent 40%),
    linear-gradient(135deg,#020617,#0f172a,#111827);
    z-index:-1;
}

.container{
    width:100%;
    display:flex;
    justify-content:center;
    align-items:center;
}

.card{
    width:420px;
    padding:50px;
    text-align:center;
    border-radius:25px;
    background:rgba(255,255,255,.08);
    backdrop-filter:blur(18px);
    border:1px solid rgba(255,255,255,.15);
    box-shadow:0 20px 60px rgba(0,0,0,.4);
}

.logo{
    font-size:70px;
    margin-bottom:20px;
}

h1{
    font-size:38px;
    margin-bottom:15px;
}

h1 span{
    color:#00d4ff;
}

p{
    color:#d1d5db;
    line-height:1.8;
    margin-bottom:35px;
}

.buttons{
    display:flex;
    gap:15px;
    justify-content:center;
}

.btn{
    text-decoration:none;
    padding:15px 35px;
    border-radius:50px;
    font-weight:bold;
    transition:.35s;
}

.login{
    background:#06b6d4;
    color:#fff;
}

.login:hover{
    background:#0891b2;
    transform:translateY(-4px);
}

.register{
    background:#7c3aed;
    color:#fff;
}

.register:hover{
    background:#6d28d9;
    transform:translateY(-4px);
}

footer{
    position:absolute;
    bottom:20px;
    width:100%;
    text-align:center;
    color:#94a3b8;
    font-size:14px;
}

@media(max-width:500px){

.card{
    width:90%;
    padding:35px;
}

h1{
    font-size:28px;
}

.buttons{
    flex-direction:column;
}

.btn{
    width:100%;
}

}