.explain-layout {
    display: flex;
    flex-direction: column;
    max-width: 1280px;
    gap: 40px;
    margin: 20px auto 40px auto;
}


.explain-intro {
    background: #f2f2f2;
    padding: 50px 64px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}


.card-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}


.card {
    border: 2px solid #f2f2f2;
    overflow: hidden;
    transition: height 0.3s ease;
}
.card:not(:last-child) {
    margin-bottom: 15px;
}

.card-header {
    padding: 15px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 15px;
}

.card .card-header .icon {
    fill: #ddd;
}

.card-header h2 {
    flex: 1;
    margin: 0;
}

.card-content {
    padding: 0 15px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-in-out, padding 0.5s ease-in-out;
}

.card-content p {
    margin: 0;
}

.icon {
    max-width: 24px;
    max-height: 24px;
    width: 100%;
    height: 100%;
    fill: white;
    transform: rotate(90deg);
    transition: transform 0.3s ease;
}

.card.active .card-content {
    max-height: 500px;
    padding: 15px;
}

.card.active .icon {
    transform: rotate(270deg);
}

/* === Responsive === */
@media (max-width: 600px) {
    .explain-intro {
        padding: 50px 20px;
    }
}