/* Styles pour le bloc Stacking Cards */
/* Basé sur la documentation JavaScript avec position sticky */

.stacking-cards-block {
    padding: 40px 20px;
    position: relative;
}

.stacking-title-container {
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.stacking-main-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    color: #2c3e50;
    margin: 0;
}

.highlight-green {
    color: #39A347;
}

/* Container principal pour les cartes empilables */
.stacking-container {
    display: flex;
    justify-content: center;
    /* Hauteur calculée pour éviter le scroll vide */
    min-height: calc(100vh + (var(--cards-count) - 1) * 30vh);
}

.stack-cards {
    width: 100%;
    max-width: 600px;
    list-style: none;
    padding: 0;
    margin: 0;
}

/* Styles des cartes individuelles - suivant la doc JavaScript */
.stack-cards__item {
    position: sticky;
    top: 150px; /* Augmenter cette valeur pour descendre les cartes (au lieu de 1rem) */
    width: 100%;
    height: 12%;
    background: #fff;
    border-radius: 20px;
    padding: 50px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
    border: 3px solid var(--card-border-color, #39A347);
    transform-origin: center top;
    margin-bottom: 3rem;
    transform: translateY(0) scale(1);
}

/* Responsive */
@media (max-width: 768px) {
    .stack-cards__item {
        top: 100px; /* Plus bas sur tablette */
        height: 450px;
        padding: 35px 30px;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .stack-cards__item {
        top: 80px; /* Plus bas sur mobile */
        height: 400px;
        padding: 30px 25px;
        margin-bottom: 1.5rem;
    }
}

/* Contenu des cartes */
.card-content {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.card-header {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 20px;
}

.card-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--card-border-color, #39A347);
    line-height: 1;
    flex-shrink: 0;
    min-width: 60px;
}

.card-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: #2c3e50;
    margin: 0;
    line-height: 1.3;
}

.card-text {
    font-size: 1.4rem;
    line-height: 1.6;
    color: #555;
    flex-grow: 1;
}

.card-text p {
    margin: 0 0 15px 0;
}

.card-text p:last-child {
    margin-bottom: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .stacking-cards-block {
        padding: 20px 15px;
    }
    
    .stacking-main-title {
        font-size: 2rem;
    }
    
    .stacking-container {
        min-height: calc(100vh + (var(--cards-count) - 1) * 50vh);
    }
    
    .stack-cards {
        max-width: 90%;
    }
    
    .stack-cards__item {
        top: 0.5rem;
        height: 450px;
        padding: 35px 30px;
        margin-bottom: 2rem;
    }
    
    .card-header {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    
    .card-number {
        font-size: 1.5rem;
        min-width: auto;
    }
    
    .card-title {
        font-size: 1.5rem;
    }
    
    .card-text {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .stacking-main-title {
        font-size: 1.8rem;
    }
    
    .stack-cards__item {
        height: 400px;
        padding: 30px 25px;
        margin-bottom: 1.5rem;
    }
    
    .card-title {
        font-size: 1.3rem;
    }
    
    .card-text {
        font-size: 0.95rem;
    }
}