/* Footer Component */
.footer {
    background: #1a2b3c;
    color: white;
    padding: 60px 0 20px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.footer-tagline {
    color: #3498db;
    margin-bottom: 20px;
}

.footer-address {
    font-style: normal;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 10px;
}

.footer-contact {
    color: rgba(255, 255, 255, 0.8);
}

.footer-nav {
    display: flex;
    gap: 60px;
}

.footer-nav-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-nav-list {
    list-style: none;
}

.footer-nav-list a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-nav-list a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
}

.copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.back-to-top a {
    display: block;
    width: 50px;
    height: 50px;
    background: #3498db;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.back-to-top a:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.back-to-top a:hover .arrow-up {
    transform: translateY(20%) rotate(-45deg);
}

/* Responsive Design */
@media (max-width: 768px) {
    .footer-top {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-nav {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }
    
    .footer-nav-column {
        width: 100%;
    }
    
    .footer-nav-column:not(:first-child) .footer-nav-title {
        display: none;
    }
    
    .footer-nav-column:not(:first-child) {
        margin-top: 0;
    }
    
    .footer-nav-list {
        width: 100%;
    }
    
    .footer-nav-list li {
        width: 100%;
        padding: 4px 0;
    }
}