.card{
    flex: 0 1 23rem;
    max-width: 23rem;
    height:100%;
    
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid var(--color-border);
    border-radius: var(--size-card-radius);
    background: var(--color-surface);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
nav.grid{
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(23rem, 23rem));
  justify-content: start; /* comme un wrap aligné à gauche */
}

.card-cta{ margin-top: auto; }

nav.grid .grid-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--size-card-radius) var(--size-card-radius) 0 0;
}

.grid-item .card-title{
    display: flex;
    align-items: center;
    justify-content: space-around;
    min-height: 6rem;
    font-size: 2rem;
    text-align: center;
}
.grid-item .cta {
    display: block;
    padding: 0.5rem 0;
    background: var(--btn-secondary-bg);
    color: white;
    font-size: 1.3rem;
    font-weight: 500;
    text-align: center;
}