/* ===================================
   TILLRUN Footer - Global Styles
   =================================== */

.footer {
    background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
    color: var(--color-text-secondary);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(0, 217, 255, 0.1);
    margin-top: 6rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

/* Footer Brand Column */
.footer-brand {
    max-width: 400px;
}

.footer-logo {
    margin-bottom: 1.5rem;
}

.footer-logo-img {
    height: 40px;
    width: auto;
}

.footer-tagline {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-accent-cyan);
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, var(--color-accent-cyan) 0%, var(--color-accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-description {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--color-text-muted);
}

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

.footer-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: inline-block;
    position: relative;
}

.footer-links a::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent-cyan);
    transition: width 0.3s ease;
}

.footer-links a:hover {
    color: var(--color-accent-cyan);
    transform: translateX(5px);
}

.footer-links a:hover::before {
    width: 100%;
}

/* Footer Contact Info */
.footer-info {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-info li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.875rem;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.footer-info li i {
    color: var(--color-accent-cyan);
    margin-right: 0.75rem;
    margin-top: 0.25rem;
    font-size: 0.875rem;
}

/* Footer Bottom */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-copyright p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: var(--color-accent-cyan);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-link:hover {
    background: var(--color-accent-cyan);
    color: var(--color-bg-primary);
    border-color: var(--color-accent-cyan);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 217, 255, 0.4);
}

.social-link i {
    font-size: 1rem;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .footer-content {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 2.5rem;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
        max-width: 100%;
        margin-bottom: 1rem;
    }
}

@media (max-width: 768px) {
    .footer {
        padding: 3rem 0 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-brand {
        grid-column: 1;
        margin-bottom: 0;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    
    .footer-legal {
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .footer-legal {
        flex-direction: column;
        gap: 0.75rem;
    }
}