body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    font-family: Arial, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    color: white;
    text-align: center;
}

.container {
    text-align: center;
    animation: fadeIn 2s ease-in-out;
    padding: 20px;
    box-sizing: border-box;
}

header, footer {
    margin-bottom: 20px;
}

.logo-placeholder {
    background: white;
    color: black;
    display: inline-block;
    padding: 10px 20px;
    margin-bottom: 20px;
    font-size: 1.5em;
    font-weight: bold;
    border-radius: 5px;
}

h1 {
    font-size: 2.5em;
    margin: 0;
}

main {
    margin-bottom: 20px;
}

.countdown {
    display: flex;
    justify-content: center;
    gap: 15px;
    font-size: 2em;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.countdown div {
    background: rgba(0, 0, 0, 0.2);
    padding: 20px;
    border-radius: 10px;
    margin: 5px;
    flex: 1 1 80px;
}

footer p {
    margin: 0;
    font-size: 0.9em;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@media (max-width: 600px) {
    h1 {
        font-size: 1.8em;
    }

    .countdown {
        font-size: 1.5em;
    }

    .logo-placeholder {
        font-size: 1.2em;
        padding: 8px 16px;
    }
}