.header{
    text-align: center;
    font-size: 20px;
    padding-bottom: 30px;
}

body {
    font-family: 'Segoe UI', sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    /*background-color: #f0f2f5;*/
    padding: 2rem;
}

footer{
    font-size: small;
    padding-top: 200px;

}

.flex-column {
    display: flex;
    flex-direction: row;
    gap: 50px;
    padding: 10px;
    max-width: 800px;
    margin: auto;
}

@media (max-width: 600px) {
    .flex-column {
        flex-direction: column; /* switch to vertical on small screens */
    }
}

.app{
}

.div-app-name{
    padding: 20px;
    text-align: center;
    /*border: 1px solid #ccc;*/
}

.div-app-description{
    padding: 20px;
    text-align: center;
    border-top: 1px solid #ccc;
}

.blue-button {
    display: inline-block;
    padding: 14px 28px;
    background: linear-gradient(135deg, #42A5F5, #1E88E5);
    color: white;
    text-decoration: none;
    border-radius: 999px;
    font-size: 17px;
    font-weight: 600;
    box-shadow: 0 6px 18px rgba(33, 150, 243, 0.4);
    transition: transform 0.2s ease, box-shadow 0.3s ease;
    font-family: system-ui, sans-serif;
}

.blue-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(30, 136, 229, 0.5);
}

.blue-button:active {
    transform: scale(0.97);
}