/* css/footer.css */

:root {
    --color-slate-900: #0f172a;
    --color-slate-800: #1e293b;
    --color-slate-700: #334155;
    --color-slate-600: #475569;
    --color-slate-500: #64748b;
    --color-slate-400: #94a3b8;
    --color-slate-200: #e2e8f0;
    --color-slate-100: #f1f5f9;
    --color-slate-50: #f8fafc;
    --color-white: #ffffff;
    
    --color-primary: #334155;
    --color-primary-dark: #1e293b;
    --color-accent: #0f766e;
    --color-accent-light: #14b8a6;
    
    --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.1);
}

/* Footer */
.footer {
    background: var(--color-white);
    border-top: 1px solid var(--color-slate-200);
    margin-top: 120px;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 60px 24px 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

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

/* Footer Brand */
.footer-brand {
    gap: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.footer-logo-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-slate-700) 0%, var(--color-slate-800) 100%);
    border-radius: 10px;
    color: var(--color-white);
    flex-shrink: 0;
}

.footer-logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-slate-900);
}

.footer-tagline {
    font-size: 15px;
    color: var(--color-slate-600);
    line-height: 1.6;
    margin-bottom: 20px;
}

/* Social Links */
.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-slate-100);
    border-radius: 10px;
    color: var(--color-slate-600);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 1px solid transparent;
}

.social-link:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(51, 65, 85, 0.15);
}

/* Footer Heading */
.footer-heading {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-slate-900);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

/* Footer Links */
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-links li {
    margin: 0;
}

.footer-links a {
    color: var(--color-slate-600);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    position: relative;
}

.footer-links a::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

/* Footer Bottom */
.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--color-slate-100);
    text-align: center;
}

.copyright {
    font-size: 13px;
    color: var(--color-slate-500);
    margin: 0;
}

/* Responsive */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1.5fr 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .footer-container {
        padding: 48px 24px 32px;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
        margin-bottom: 20px;
    }
    
    .social-links {
        max-width: 200px;
    }
}

@media (max-width: 480px) {
    .footer-container {
        padding: 32px 16px 24px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-heading {
        font-size: 13px;
    }
    
    .footer-links a {
        font-size: 13px;
    }
    
    .footer-bottom {
        padding-top: 32px;
    }
}