/* Wrapper */
.ecw-wrapper {
    width: 100%;
    position: relative;
}

/* Griglia */
.ecw-grid {
    display: grid;
    align-items: start;
    position: relative;
    width: 100%;
}

/* Card */
.ecw-card {
    text-align: center;
    cursor: pointer;
    position: relative;
    padding-bottom: 20px;
    transition: opacity 0.3s ease;
}

.ecw-card:hover {
    opacity: 0.8;
}

/* Immagini */
.ecw-card-img {
    display: block;
    margin: 0 auto;
    height: auto;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.ecw-card:hover .ecw-card-img {
    transform: translateY(-3px);
}

.ecw-card-img.ecw-circle {
    border-radius: 50%;
    aspect-ratio: 1 / 1;
}

.ecw-card-title {
    margin-bottom: 0;
    line-height: 1.2;
}

/* Freccetta */
.ecw-arrow {
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-bottom: 10px solid transparent;
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    transition: opacity 0.3s ease, bottom 0.3s ease;
    opacity: 0;
}

.ecw-card.is-active .ecw-arrow {
    opacity: 1;
    bottom: 0;
}

/* --- BOX DETTAGLI --- */
.ecw-details-box {
    grid-column: 1 / -1;
    width: 100% !important;
    box-sizing: border-box;
    
    height: 0;
    opacity: 0;
    margin: 0;
    padding: 0;
    overflow: hidden;
    
    /* Transizione classica: solo altezza e opacità */
    transition: height 0.4s ease-in-out, 
                opacity 0.4s ease-in-out, 
                margin 0.4s ease-in-out;
    
    will-change: height;
    background: transparent;
}

.ecw-details-box.is-open {
    opacity: 1;
    margin-top: 20px;
    margin-bottom: 20px;
}

.ecw-details-inner {
    width: 100%;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease 0.1s, transform 0.3s ease 0.1s;
}

.ecw-details-box.is-open .ecw-details-inner {
    opacity: 1;
    transform: translateY(0);
}