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

body {
    background-color: #000000;
    color: #ffffff;
    font-family: 'Arial', sans-serif;
    min-height: 100vh;
    overflow: hidden;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    position: relative;
    z-index: 1;
}

.logo {
    max-width: 300px;
    margin-bottom: 2rem;
    animation: pulse 2s infinite;
}

.announcement {
    text-align: center;
    margin-top: 2rem;
}

.announcement h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    background: linear-gradient(45deg, #ffffff, #9b4dff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.announcement p {
    font-size: 1.2rem;
    color: #9b4dff;
    opacity: 0.8;
}

.animated-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(155, 77, 255, 0.2) 0%, rgba(0, 0, 0, 0.8) 70%);
    z-index: -1;
    animation: pulse-bg 8s ease-in-out infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes pulse-bg {
    0% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 0.5;
    }
}

.sound-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(155, 77, 255, 0.2);
    border: 2px solid #9b4dff;
    color: #ffffff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 100;
}

.sound-toggle:hover {
    background: rgba(155, 77, 255, 0.4);
    transform: scale(1.1);
}

.sound-toggle .sound-icon {
    font-size: 1.5rem;
}