.coll-content {
    padding: 30px;
}

.collapsible {
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.collapsible-header {
    padding: 18px 20px;
    background: #f8f9fa;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
    border-left: 4px solid #4a6cf7;
}

.collapsible-header:hover {
    background: #e9ecef;
}

.collapsible-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #212529;
}

.icon {
    transition: transform 0.3s ease;
}

.collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    background: white;
}

.collapsible-content-inner {
    padding: 0 20px;
}

.collapsible-content p {
    padding: 20px 0;
    line-height: 1.6;
    color: #495057;
}

.active .collapsible-header {
    background: #e9ecef;
}

.active .icon {
    transform: rotate(180deg);
}

.active .collapsible-content {
    max-height: 500px;
}


@media (max-width: 600px) {
    .coll-content {
        padding: 20px;
    }

    .collapsible-header {
        padding: 15px;
    }

    .collapsible-header h3 {
        font-size: 1.1rem;
    }
}