@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap');

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: #edf6f9;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    padding: 15px;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 20px;
}

.card {
    background-color: #ffffff;
    border-radius: 15px;
    padding: 50px 40px;
    max-width: 600px;
    width: 100%;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: scale(1.03);
}

.card:before {
    content: '';
    position: absolute;
    top: -50px;
    left: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle at center, #76c7c0 0%, transparent 70%);
    opacity: 0.5;
    z-index: -1;
}

.card:after {
    content: '';
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle at center, #6da0b4 0%, transparent 70%);
    opacity: 0.5;
    z-index: -1;
}

.main-message {
    font-size: 34px;
    font-weight: 700;
    color: #034752;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.success-text {
    font-size: 22px;
    font-weight: 500;
    color: #028090;
    margin-bottom: 15px;
}

.support-text {
    font-size: 18px;
    font-weight: 400;
    color: #707070;
    margin-bottom: 25px;
}

.back-button {
    display: inline-block;
    padding: 15px 35px;
    background-color: #ff6f61;
    color: #ffffff;
    text-decoration: none;
    border-radius: 40px;
    font-size: 18px;
    font-weight: 500;
    transition: background-color 0.3s, transform 0.2s;
}

.back-button:hover {
    background-color: #ff5a4e;
    transform: translateY(-3px);
}

@media (max-width: 768px) {
    .card {
        padding: 40px 30px;
    }

    .main-message {
        font-size: 28px;
    }

    .success-text {
        font-size: 18px;
    }

    .support-text {
        font-size: 16px;
    }

    .back-button {
        font-size: 16px;
        padding: 12px 30px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 0 20px;
    }

    .card {
        padding: 30px 20px;
    }

    .main-message {
        font-size: 24px;
    }

    .success-text, .support-text {
        font-size: 14px;
    }

    .back-button {
        font-size: 14px;
        padding: 10px 25px;
    }
}