footer {
    background: linear-gradient(to right, var(--color-footer-gradient-left), var(--color-footer-gradient-right));
    color: var(--color-text);
    padding: var(--space-xl) 0 var(--space-md);
    position: relative;
    overflow: hidden;
    border-top: 1px solid var(--color-border);
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--space-xs);
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.footer-content {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    max-width: var(--breakpoint-md);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    gap: var(--space-xl);
    align-items: center;
}

.footer-logo {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 0;
    padding: var(--space-sm) 0;
}

.footer-logo img {
    max-width: 140px;
    height: auto;
    display: block;
    margin: 0;
    transition: transform 0.3s ease;
    filter: drop-shadow(0 0 var(--space-sm) rgba(0, 127, 255, 0.3));
}

.footer-logo img:hover {
    transform: scale(1.05);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-xl);
    flex: 0 1 auto;
}

.footer-links-column {
    display: flex;
    flex-direction: column;
    min-width: 160px;
}

.footer-links-column h4 {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-md);
    font-weight: 600;
    letter-spacing: 0.5px;
    position: relative;
    padding-bottom: var(--radius-lg);
}

.footer-links-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: calc(var(--space-lg) + 6px);
    height: 2px;
    background: var(--color-primary);
}

.footer-links a {
    color: var(--color-text-light);
    text-decoration: none;
    margin: var(--space-sm) 0;
    transition: all 0.2s ease;
    font-size: var(--font-size-base);
    display: inline-block;
    position: relative;
    padding-left: 0;
}

.footer-links a:hover {
    color: var(--color-text);
    transform: translateX(var(--space-xs));
}

.footer-social {
    display: flex;
    margin-top: var(--space-md);
    gap: var(--radius-lg);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: calc(var(--space-xl) - 4px);
    height: calc(var(--space-xl) - 4px);
    background: var(--color-border);
    border-radius: var(--radius-round);
    color: var(--color-text);
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--color-primary);
    transform: translateY(calc(-1 * var(--space-xs)));
    box-shadow: 0 5px 15px rgba(0, 127, 255, 0.4);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    margin-top: var(--space-lg);
    color: var(--color-text-faded);
    font-size: calc(var(--font-size-base) - 3px);
    border-top: 1px solid var(--color-border);
    max-width: var(--breakpoint-lg);
    margin-left: auto;
    margin-right: auto;
}

.footer-bottom a {
    color: var(--color-text-faded);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-bottom a:hover {
    color: var(--color-primary);
}

/* Styl dla wersji mobilnej */
@media (max-width: var(--breakpoint-sm)) {
    footer {
        padding: var(--space-lg) 0 var(--space-sm);
    }
    
    .footer-content {
        flex-direction: column;
        padding: 0 var(--space-md);
        gap: var(--space-lg);
    }
    
    .footer-logo {
        margin: 0 auto var(--space-md);
        text-align: center;
    }
    
    .footer-logo img {
        margin: 0 auto;
    }
    
    .footer-links {
        justify-content: center;
        gap: var(--space-lg);
    }
    
    .footer-links-column {
        align-items: center;
        text-align: center;
        min-width: 140px;
    }
    
    .footer-links-column h4 {
        text-align: center;
    }
    
    .footer-links-column h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-links a {
        text-align: center;
    }
    
    .footer-links a:hover {
        transform: none;
    }
    
    .footer-social {
        justify-content: center;
    }
    
}