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

html, body {
    height: 100%;
    width: 100%;
    overflow: hidden;
    font-family: sans-serif;
    background-color: #d90320;
}

.main-container {
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-box {
    background-color: #ffffff;
    width: 240px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    opacity: 0;
    animation: fadeIn 1.8s ease-in forwards;
}

.logo-img {
    width: 100%;
    height: auto;
    display: block;
}

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