* {
    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;
    background: linear-gradient(135deg,#667eea,#764ba2);
    overflow: hidden;
}

.card {
    width: 90%;
    max-width: 550px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(12px);
    border-radius: 20px;
    padding: 50px 40px;
    text-align: center;
    color: #fff;
    box-shadow: 0 15px 35px rgba(0,0,0,.35);
    animation: fadeIn .8s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.icon {
    width: 110px;
    height: 110px;
    margin: auto;
    border-radius: 50%;
    background: #ff5252;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 55px;
    box-shadow: 0 10px 25px rgba(255,82,82,.5);
}

h1 {
    margin-top: 30px;
    font-size: 34px;
}

p {
    margin-top: 20px;
    line-height: 1.7;
    color: #f2f2f2;
    font-size: 17px;
}

.buttons {
    margin-top: 35px;
}

.btn {
    display: inline-block;
    text-decoration: none;
    padding: 14px 30px;
    margin: 8px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    transition: .3s;
}

.retry {
    background: #ff9800;
    color: #fff;
}

    .retry:hover {
        background: #fb8c00;
        transform: translateY(-3px);
    }

.home {
    background: #ffffff;
    color: #333;
}

    .home:hover {
        background: #eeeeee;
        transform: translateY(-3px);
    }

.footer {
    margin-top: 30px;
    font-size: 14px;
    color: #e0e0e0;
}

@media(max-width:600px) {

    .card {
        padding: 35px 25px;
    }

    h1 {
        font-size: 28px;
    }

    p {
        font-size: 15px;
    }

    .btn {
        display: block;
        width: 100%;
        margin: 10px 0;
    }
}