.content {
    display: grid;
    grid-template-columns: repeat(3, 1fr); 
    gap: 25px;
    padding: 40px;
}

.card {
    background: #e5e5e5; 
    padding: 25px;
    border-radius: 15px;
    transition: 0.3s;
    text-align: center;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.card h2, .card h3 {
    margin-bottom: 10px;
    color: #dc2626;
}

.card p {
    font-size: 14px;
    margin-bottom: 20px;
}

.btn {
    display: inline-block;
    padding: 8px 15px;
    background: #dc2626; 
    color: white;
    text-decoration: none;
    border-radius: 8px;
    transition: 0.3s;
}

.btn:hover {
    background: #b91c1c;
}

.big-card {
    grid-column: span 3;  
    background: #dcdcdc;
}



@media (max-width: 576px) {

    .content {
        grid-template-columns: 1fr;
        padding: 20px;
        gap: 20px;
    }

    .big-card {
        grid-column: span 1;
    }

    .card {
        padding: 20px;
    }

    .card p {
        font-size: 13px;
    }

    .btn {
        width: 100%;
        padding: 10px;
    }
}