* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(-45deg, #111, #222, #333, #111);
    background-size: 400% 400%;
    animation: gradient 10s ease infinite;
    color: white;
    text-align: center;
}

@keyframes gradient {
    0% {background-position: 0% 50%;}
    50% {background-position: 100% 50%;}
    100% {background-position: 0% 50%;}
}

.container h1 {
    font-size: 3rem;
    margin-bottom: 10px;
}

.container p {
    margin-bottom: 30px;
    opacity: 0.7;
}

#countdown {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 30px;
}

#countdown div {
    display: flex;
    flex-direction: column;
}

#countdown span {
    font-size: 2rem;
    font-weight: bold;
}

form {
    display: flex;
    justify-content: center;
}

input {
    padding: 10px;
    border: none;
    outline: none;
    width: 200px;
}

button {
    padding: 10px 20px;
    border: none;
    background: white;
    color: black;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background: #ddd;
}

@media(max-width: 600px) {
    #countdown {
        flex-direction: column;
        gap: 10px;
    }
}