* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {

    min-height: 100vh;

    background:
        linear-gradient(135deg,
            #050b18,
            #08142d);

    font-family: Arial, sans-serif;

    display: flex;
    justify-content: center;
    align-items: center;

    color: white;

    padding: 20px;
}

.container {

    width: 100%;
    max-width: 1000px;
}

h1 {

    text-align: center;

    font-size: 60px;

    margin-bottom: 50px;
}

.plans {

    display: flex;

    gap: 30px;

    justify-content: center;

    flex-wrap: wrap;
}

.card {

    width: 320px;

    background: #10182b;

    border-radius: 25px;

    padding: 35px;

    text-align: center;

    cursor: pointer;

    transition: .3s;

    border: 2px solid transparent;

    position: relative;
}

.card:hover {

    transform: translateY(-10px);

    border-color: #00e7ff;

    box-shadow:
        0 0 30px rgba(0, 231, 255, .4);
}

.card h2 {

    font-size: 32px;

    margin-bottom: 20px;
}

.price {

    font-size: 60px;

    color: #00e7ff;

    font-weight: bold;

    margin-bottom: 20px;
}

.card p {

    color: #bdbdbd;

    font-size: 18px;

    margin-bottom: 25px;
}

.card button {

    width: 100%;

    padding: 15px;

    border: none;

    border-radius: 12px;

    background: #00e7ff;

    color: black;

    font-size: 18px;

    font-weight: bold;

    cursor: pointer;
}

.badge {

    position: absolute;

    top: -12px;

    right: 15px;

    background: #00e7ff;

    color: black;

    padding: 6px 12px;

    border-radius: 20px;

    font-size: 12px;

    font-weight: bold;
}

.premium {

    border: 2px solid #00e7ff;
}

@media(max-width:768px) {

    h1 {

        font-size: 40px;
    }

    .card {

        width: 100%;
        max-width: 350px;
    }

    .price {

        font-size: 48px;
    }
}