body {
    margin: 0;
    font-family: 'Arial', sans-serif;
    background: url('assets/gif/bg.gif') no-repeat center center fixed;
    background-size: cover;
    overflow: hidden;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    opacity: 0; 
    animation: fadeIn 0.5s ease-in-out forwards; 
}

.navbar {
    background-color: rgba(255, 255, 255, 0.8);
    padding: 15px 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: -60px; 
    width: calc(100% - 40px);
    max-width: 800px;
    display: flex;
    justify-content: center;
    transition: top 0.5s ease-in-out; 
}

.navbar ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 20px;
}

.navbar li {
    display: inline;
}

.navbar a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
    font-size: 1.2rem;
    transition: color 0.3s;
}

.navbar a:hover {
    color: #7200FF;
}

.logo {
    margin-top: 20px;
    opacity: 0;
    transition: opacity 0.3s ease-in;
}

.logo img {
    max-width: 400px; 
    width: 100%;
    height: auto;
}

.navbar.active {
    top: 0;
}

.logo.active {
    opacity: 1;
}

.navbar a.down {
    color: #b10000;
}

.white {
    color: #FFFFFF;
}

@keyframes fadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}