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

body {
    height: 100vh;
    overflow: hidden;
    background-color: #f0f0f0;
}

.white-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: white;
    z-index: 1000;
    animation: fadeOut 1s ease-out forwards;
    animation-delay: 0.5s;
}

.announcement-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    gap: 20px;
    padding-top: 20px;
}

.announcement-header {
    color: #333;
    font-size: 3rem;
    font-weight: bold;
    text-transform: uppercase;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    opacity: 0;
    animation: fadeIn 9s ease-out forwards;
}

.announcement-banner {
    position: relative;
    width: 100%;
    max-width: 800px;
    overflow: hidden;
}

.banner-image {
    width: 100%;
    height: auto;
    transform: translateY(-100%);
    animation: slideDown 15s ease-out forwards;
}

@keyframes slideDown {
    0% {
        transform: translateY(-100%);
    }
    100% {
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeOut {
    0% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        visibility: hidden;
    }
}