/* Core Values Styling */
.core-values {
    padding: 80px 0;
    background: var(--primary-color);
}

.value-card {
    background: var(--secondary-color);
    border-radius: 15px;
    padding: 50px 40px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
    height: 100%;
    min-height: 400px;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border: none;
}

/* Kwaliteit card */
.col-md-4:nth-child(1) .value-card {
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/projects/Kwaliteit.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Duurzaamheid card */
.col-md-4:nth-child(2) .value-card {
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/projects/Duurzaamheid.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Betrouwbaarheid card */
.col-md-4:nth-child(3) .value-card {
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/projects/Betrouwbaarheid.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #e0e0e0, #ffffff);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
    z-index: 2;
}

.value-card:hover::before {
    transform: scaleX(1);
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.value-card .service-icon {
    width: 50px;
    height: 50px;
    position: absolute;
    bottom: 20px;
    right: 20px;
    transition: all 0.4s ease;
    filter: brightness(0) invert(1);
    z-index: 2;
}

.value-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.value-card h3 {
    color: #fff;
    font-size: 24px;
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 15px;
    z-index: 2;
}

.value-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 2px;
    background: #e0e0e0;
    transition: width 0.4s ease;
}

.value-card:hover h3::after {
    width: 100px;
}

.value-card p {
    color: #fff;
    margin-bottom: 25px;
    line-height: 1.6;
    z-index: 2;
}

.value-features {
    list-style: none;
    padding: 0;
    margin: 0 0 25px 0;
    text-align: left;
    z-index: 2;
}

.value-features li {
    padding: 10px 0;
    color: #fff;
    position: relative;
    padding-left: 25px;
    transition: all 0.3s ease;
}

.value-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #e0e0e0;
    font-weight: bold;
    transition: all 0.3s ease;
}

.value-card:hover .value-features li {
    transform: translateX(5px);
}

.value-card:hover .value-features li::before {
    color: #ffffff;
}

/* Responsive Design */
@media (max-width: 768px) {
    .value-card {
        padding: 40px 30px;
        min-height: 350px;
    }
    
    .value-card h3 {
        font-size: 20px;
    }
    
    .value-card .service-icon {
        width: 40px;
        height: 40px;
        bottom: 15px;
        right: 15px;
    }
}