/* Card styles - Flat Design principles */
.card {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    background: var(--light-color);
    margin-bottom: 1.5rem;
    padding: 0;
    transition: border-color 0.2s;
}

.card:hover {
    border-color: var(--primary-color);
}
.card-image {
    flex: 0 0 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-color);
    border-right: 2px solid var(--border-color);
}

.card-image img {
    max-width: 100%;
    border-radius: 0; /* Flat design: sharp edges */
    object-fit: cover;
}
.card-content {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.card-header {
    background: var(--secondary-color);
    padding: 1rem 1.5rem;
    border-radius: 0; 
    transition: all ease-in 0.2s;
}

.card-header:hover {
    background: url("/img/concrete-texture.png");
}

.card-header h3 {
    margin: 0;
    font-size: 1.15rem;
    color: var(--light-color);
    text-transform: uppercase;
    font-weight: 700;
}

.card-header:hover h3 {
    margin: 0;
    font-size: 1.15rem;
    color: var(--secondary-color);
    font-weight: 700;
}
.card-body {
    padding: 0 1.5rem;
    color: var(--text-color);
    transition: max-height 0.2s ease-in-out, margin-bottom 0.1s ease;
}
.card.collapsible .card-body {
    max-height: 0;
    overflow: hidden;
    margin-bottom: 1em;
}

.card.collapsible.expanded .card-body {
    border: 2px solid var(--border-color);
}

.card.collapsible.expanded .card-body {
    max-height: 500px;
    margin-bottom: 0;
}
.card.collapsible {
    cursor: pointer;
}
.card.collapsible .card-header {
    cursor: pointer;
}
.card.collapsible .expand-icon {
    margin-right: 1em;
    transition: transform ease-in-out .2s;
}
.card.collapsible.expanded .expand-icon {
    transform: rotate(180deg);
}
@media (max-width: 700px) {
    .card {
        flex-direction: column;
    }
    .card-image {
        border-radius: 0; /* Flat design: sharp edges */
        padding: 0.5rem 0.5rem 0 0.5rem;
        border-right: none;
    }
    .card-content {
        padding: 0.5rem;
    }
}