/* Footer Base Styles */
.site-footer {
    background-color: #ffffff;
    color: #000000;
    padding: 60px 20px 30px;
}

.footer-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

/* Brand Column */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.brand-logo img {
    height: 50px;
    width: auto;
    display: block;
}

.social-links {
    display: flex;
    gap: 12px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.social-links li a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #f5f5f5;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-links li a:hover {
    background-color: #8d00ea;
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(141, 0, 234, 0.3);
}

.social-links img {
    width: 20px;
    height: 20px;
    filter: brightness(0);
}

.social-links li a:hover img {
    filter: brightness(0) invert(1);
}

/* Footer Sections */
.footer-section {
    display: flex;
    flex-direction: column;
}

.section-title {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 15px 0;
    color: #000000;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.toggle-icon {
    display: none;
}

.toggle-icon img {
    width: 16px;
    height: 16px;
    filter: brightness(0);
    transition: transform 0.3s ease;
}

.section-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.section-links li a {
    color: #000000;
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s ease;
    display: inline-block;
}

.section-links li a:hover {
    color: #8d00ea;
}

/* Copyright */
.footer-copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #e0e0e0;
    font-size: 14px;
    color: #666666;
}

/* Tablet Styles */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

/* Mobile Styles */
@media (max-width: 768px) {
    .site-footer {
        padding: 40px 20px 20px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 25px;
        margin-bottom: 30px;
    }

    .section-title {
        cursor: pointer;
        padding-bottom: 12px;
        border-bottom: 1px solid #e0e0e0;
    }

    .toggle-icon {
        display: block;
    }

    .section-links {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, margin-top 0.4s ease;
        gap: 8px;
    }

    .footer-section.is-open .section-links {
        max-height: 300px;
        margin-top: 15px;
    }

    .footer-section.is-open .toggle-icon img {
        transform: rotate(45deg);
    }
}