footer {
    background: #222;
    color: #fff;
    padding: 40px 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.footer-section {
    flex: 1;
}

.footer-section ul,
.footer-text {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
}

.footer-bottom {
    margin-top: 20px;
    text-align: center;
    font-size: 14px;
    color: #aaa;
}

/* Collapsible Toggle */
.footer-toggle {
    background: none;
    border: none;
    color: #fff;
    font-size: 16px;
    text-align: left;
    width: 100%;
    padding: 10px 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-toggle span {
    font-size: 20px;
}

/* Collapsible Animation */
.collapsible ul,
.collapsible .footer-text {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

/* Open state */
.collapsible.open ul,
.collapsible.open .footer-text {
    max-height: 500px; /* large enough to fit content */
}

/* Mobile Layout */
@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
    }

    .footer-section {
        margin-bottom: 20px;
    }
}