/* Background fade-in as you already have */
body.landing::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background:
        linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
        url('images/logo.jpg') no-repeat center top;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center top;
    z-index: -1;
    opacity: 0;
    animation: fadeInLogo 2s ease-in-out forwards;
}

/* Centering and fade-in of the welcome block */
.welcome-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
    background-color: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
    animation: fadeIn 2s ease-in;
    max-width: 600px;
    margin: auto;
}

/* Buttons styling */
.button-group {
    margin-top: 20px;
}

.button {
    display: inline-block;
    background-color: #ffffff;
    color: #000000;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 6px;
    border: 2px solid black;
    font-weight: bold;
    transition: background-color 0.3s ease, color 0.3s ease;
    margin: 5px;
}

.button:hover {
    background-color: #1d72b8;
    color: #ffffff;
}

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

@keyframes fadeInLogo {
    to {
        opacity: 1;
    }
}