/* Flip Cards CSS */

.div-3cols {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    padding: 20px 0;
    margin: 0 auto;
    max-width: 1200px;
}

.flip-card {
    background-color: transparent;
    perspective: 1000px;
    height: 300px;
    cursor: pointer;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.flip-card-front {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.flip-card-back {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    transform: rotateY(180deg);
}

.flip-card h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: bold;
}

.flip-card-back h2 {
    margin-bottom: 15px;
}

.flip-card p {
    margin: 0;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Responsive */
@media (max-width: 768px) {
    .div-3cols {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 15px;
    }
    
    .flip-card {
        height: 250px;
    }
    
    .flip-card h2 {
        font-size: 1.3rem;
    }
    
    .flip-card p {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .div-3cols {
        grid-template-columns: 1fr;
    }
    
    .flip-card {
        height: 220px;
    }
}