.service-card {
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 25px;
    max-width: 350px;
    margin: 20px auto;
    text-align: center;
    border: 1px solid #eaeaea;
}

.computer {
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 25px;
    max-width: 350px;
    margin: 20px auto;
    text-align: center;
    border: 1px solid #eaeaea;
}


.service-card h3 {
    margin-top: 0;
    margin-bottom: 20px;
    color: #333;
    font-size: 1.3em;
}

.service-card h5{
    margin-bottom: 20px;
    color: #ff0000;
    font-size: 1.0em;
}

.card-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
}


.card-btn {
    display: block;
    background-color: rgb(21, 192, 183); 
    color: white;
    padding: 12px;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: bold;
}

.card-btn:hover {
    background-color: rgb(20, 170, 165); 
}

@media screen and (max-width: 768px) {
    header {
        padding: 0 10px;
    }
    header h1 {
        font-size: 1.2rem;
    }
    .nav-links {
        gap: 10px; 
    }
    .nav-links li a {
        font-size: 0.9rem;
    }
    .nav-links li a.nav-login-btn {
        padding: 5px 12px; 
    }
    .main-container {
        grid-template-columns: 1fr;
    }
    .container-welcome h1 {
        font-size: 2rem;
    }
}