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

body {
    min-height: 100vh;
    background:
        radial-gradient(circle at top, #1e3a8a, transparent 40%),
        linear-gradient(135deg, #050505, #111827);

    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
}

.container {
    width: 90%;
    max-width: 650px;
}

.card {
    text-align: center;
    padding: 60px 40px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 25px;
    backdrop-filter: blur(15px);
    box-shadow: 0 20px 60px rgba(0,0,0,.4);
}

.icon {
    font-size: 55px;
    margin-bottom: 20px;
}

h1 {
    font-size: 38px;
    margin-bottom: 20px;
    font-weight: 700;
}

p {
    color: #d1d5db;
    font-size: 18px;
    line-height: 1.6;
}

.line {
    display: block;
    width: 80px;
    height: 3px;
    background: #38bdf8;
    margin: 30px auto;
    border-radius: 10px;
}

.dev {
    font-size: 16px;
}

a {
    color: #38bdf8;
    font-weight: 700;
    text-decoration: none;
    transition: .3s;
}

a:hover {
    color: white;
}

@media(max-width:600px){

    .card {
        padding: 40px 25px;
    }

    h1 {
        font-size: 30px;
    }

    p {
        font-size: 16px;
    }
}