/* Footer Styles */
.footer {
    background: var(--dark-color);
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
    margin-top: 5rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

/* Footer Brand Section */
.footer-section h3 {
    color: var(--primary-color);
    font-size: 1.75rem;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section h4 {
    color: var(--white-color);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.footer-section p {
    color: var(--gray-color);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* Footer Links */
.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    color: var(--gray-color);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-section ul li a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.footer-section ul li i {
    color: var(--primary-color);
    width: 16px;
}

/* Social Links */
.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--darker-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--gray-color);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-color);
    color: var(--white-color);
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.3);
}

/* Footer Bottom */
.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    color: var(--gray-color);
    margin: 0;
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .footer {
        padding: 3rem 0 1.5rem;
        margin-top: 3rem;
    }
    
    .footer-container {
        padding: 0 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-section {
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 2rem;
    }
    
    .footer-section:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .footer {
        padding: 2rem 0 1rem;
        margin-top: 2rem;
    }
    
    .footer-container {
        padding: 0 0.5rem;
    }
    
    .footer-content {
        gap: 1.5rem;
    }
    
    .social-links {
        gap: 0.75rem;
    }
    
    .social-links a {
        width: 35px;
        height: 35px;
    }
}

/* Animation for footer sections */
.footer-section {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.footer-section:nth-child(1) { animation-delay: 0.1s; }
.footer-section:nth-child(2) { animation-delay: 0.2s; }
.footer-section:nth-child(3) { animation-delay: 0.3s; }
.footer-section:nth-child(4) { animation-delay: 0.4s; }

/* Hover effects for footer links */
.footer-section ul li a {
    position: relative;
    overflow: hidden;
}

.footer-section ul li a::before {
    content: '';
    position: absolute;
    left: -100%;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.1), transparent);
    transition: left 0.5s ease;
}

.footer-section ul li a:hover::before {
    left: 100%;
}

/* Footer gradient border effect */
.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
    opacity: 0.5;
}