.card1-content main {
    display: flex;
    flex-wrap: wrap;       
    gap: 18px;             
    justify-content: center;  
    padding: 10px 0;
}

.column {
    flex: 1 1 200px;       /* minimal lebar 200px, fleksibel */
    max-width: 220px;      /* maksimal lebar tiap card */
}

.card1 {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card1:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}

.card1-content {
    padding: 18px;
    margin-left: 5px;    
}
.card1-content h2 {
    margin-top: 0;
    color: blue;
    font-size: 1.5em;
    margin-bottom: 1px;
    font-weight: bold;
}

.card1-content p {
    color: #666;
    font-size: 0.9em;
    line-height: 1.5;
    margin-left: 5px;
}

.btn {
    display: inline-block;
    background-color: #007bff;
    color: white;
    padding: 10px 15px;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 15px;
    transition: background-color 0.3s ease;
}

.btn:hover {
    background-color: #0056b3;
}