* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: #000000;
    color: white;
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
}

main {
    width: 90%;
    max-width: 650px;
    text-align: center;
    padding: 25px 0;
}

.logo {
    display: block;
    width: 100%;
    max-width: 550px;
    height: auto;
    margin: 0 auto 15px auto;
}

h2 {
    color: white;
    font-size: 28px;
    margin: 15px 0 25px;
}

button {
    display: block;
    width: 100%;
    padding: 25px 20px;
    margin: 16px 0;

    background: #38bdf8;
    color: white;

    border: 2px solid #7dd3fc;
    border-radius: 16px;

    font-size: 27px;
    font-weight: bold;

    cursor: pointer;

    box-shadow: 0 0 12px rgba(56, 189, 248, 0.55);
}

button:hover {
    background: #7dd3fc;
    color: #000000;
    transform: scale(1.02);
}

button:active {
    transform: scale(0.98);
}