body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(to right, #4e54c8, #8f94fb);
    color: #fff;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    text-align: center;
    padding: 50px 20px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 10px;
    margin: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

h1 {
    font-size: 3em;
    margin: 0;
    color: black;
}

.subtitle {
    font-size: 1.2em;
    margin-top: 10px;
}

.button-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
}

h2 {
    color: #fff;
    margin-top: 40px;
    font-size: 2em;
}

ul {
    list-style-type: none;
    padding: 0;
    max-width: 600px;
    width: 100%;
}

li {
    background: rgba(255, 255, 255, 0.1);
    margin: 10px 0;
    padding: 15px;
    border-radius: 5px;
    transition: background 0.3s, transform 0.3s;
    text-align: left;
}

li:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.invite-button {
    background: #0224b9;
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.2em;
    transition: background 0.3s, transform 0.3s;
    display: inline-block;
}

.invite-button:hover {
    background: #000ece;
    transform: scale(1.05);
}

footer {
    background: rgba(0, 0, 0, 0.7);
    color: white;
    text-align: center;
    padding: 15px;
    margin-top: 40px;
    border-radius: 10px;
}


/* Responsiveness */

@media (max-width: 768px) {
    h1 {
        font-size: 2.5em;
    }
    h2 {
        font-size: 1.8em;
    }
    .invite-button {
        padding: 10px 20px;
        font-size: 1em;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2em;
    }
    p {
        font-size: 1em;
    }
    h2 {
        font-size: 1.5em;
    }
}