/**
 * APIVerve Footer Component - Self-contained and reusable
 * 
 * Features:
 * - Completely scoped styles with .main-footer prefix
 * - Responsive design with mobile-first approach
 * - Dark mode support
 * - Consistent with site design system
 * - No global style pollution
 * 
 * Usage:
 * 1. Include this CSS file in your HTML
 * 2. Add HTML structure with .main-footer class
 * 3. Footer will automatically match your site's theme
 */

/* Footer Component Root - All styles scoped to this container */
.main-footer {
    background-color: var(--color-surface, #f9fafb);
    color: var(--color-text-primary, #111827);
    border-top: 1px solid var(--color-border, #e5e7eb);
    margin-top: 0;
}

/* Footer Container */
.main-footer .footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Footer Content - Main content area */
.main-footer .footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    padding: 3rem 0;
    border-bottom: 1px solid var(--color-border, #e5e7eb);
}

/* Footer Brand Section */
.main-footer .footer-brand {
    max-width: 300px;
}

.main-footer .footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.main-footer .footer-brand-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm, 0.375rem);
}

.main-footer .footer-brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary, #111827);
    margin: 0;
    line-height: 1.2;
}

.main-footer .footer-brand-description {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-text-secondary, #4b5563);
    margin: 0;
}

/* Footer Links Section */
.main-footer .footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

/* Footer Column */
.main-footer .footer-column {
    /* No additional styles needed - inherits grid positioning */
}

.main-footer .footer-column-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary, #111827);
    margin: 0 0 1.25rem 0;
    line-height: 1.2;
}

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

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

.main-footer .footer-column-links li:last-child {
    margin-bottom: 0;
}

/* Footer Links */
.main-footer .footer-link {
    color: var(--color-text-secondary, #4b5563);
    text-decoration: none;
    font-size: 0.875rem;
    line-height: 1.5;
    transition: color 0.2s ease;
    display: inline-block;
}

.main-footer .footer-link:hover {
    color: var(--color-primary, #0066cc);
    text-decoration: none;
}

.main-footer .footer-link:focus {
    color: var(--color-primary, #0066cc);
    outline: 2px solid var(--color-primary, #0066cc);
    outline-offset: 2px;
    border-radius: var(--radius-sm, 0.375rem);
}

/* Footer Bottom Section */
.main-footer .footer-bottom {
    padding: 1.5rem 0;
}

.main-footer .footer-copyright {
    text-align: center;
}

.main-footer .footer-copyright p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--color-text-tertiary, #6b7280);
    line-height: 1.5;
}

/* Dark mode adjustments */
[data-theme="dark"] .main-footer {
    background-color: #0f172a;
    color: #f8fafc;
    border-top-color: #334155;
}

[data-theme="dark"] .main-footer .footer-content {
    border-bottom-color: #334155;
}

[data-theme="dark"] .main-footer .footer-brand-name {
    color: #f8fafc;
}

[data-theme="dark"] .main-footer .footer-brand-description {
    color: #cbd5e1;
}

[data-theme="dark"] .main-footer .footer-column-title {
    color: #f8fafc;
}

[data-theme="dark"] .main-footer .footer-link {
    color: #94a3b8;
}

[data-theme="dark"] .main-footer .footer-link:hover {
    color: #3b82f6;
}

[data-theme="dark"] .main-footer .footer-link:focus {
    color: #3b82f6;
    outline-color: #3b82f6;
}

[data-theme="dark"] .main-footer .footer-copyright p {
    color: #64748b;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-footer .footer-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        padding: 2.5rem 0;
    }
    
    .main-footer .footer-brand {
        max-width: none;
        text-align: center;
    }
    
    .main-footer .footer-links {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .main-footer .footer-bottom {
        padding: 1.25rem 0;
    }
}

@media (max-width: 640px) {
    .main-footer .footer-container {
        padding: 0 0.75rem;
    }
    
    .main-footer .footer-content {
        padding: 2rem 0;
        gap: 2rem;
    }
    
    .main-footer .footer-brand-name {
        font-size: 1.375rem;
    }
    
    .main-footer .footer-brand-description {
        font-size: 0.875rem;
    }
    
    .main-footer .footer-links {
        gap: 1.5rem;
    }
    
    .main-footer .footer-column-title {
        font-size: 0.9375rem;
        margin-bottom: 1rem;
    }
    
    .main-footer .footer-link {
        font-size: 0.8125rem;
    }
    
    .main-footer .footer-bottom {
        padding: 1rem 0;
    }
    
    .main-footer .footer-copyright p {
        font-size: 0.8125rem;
    }
}

@media (max-width: 480px) {
    .main-footer .footer-container {
        padding: 0 0.5rem;
    }
    
    .main-footer .footer-content {
        padding: 1.5rem 0;
        gap: 1.5rem;
    }
    
    .main-footer .footer-brand-name {
        font-size: 1.25rem;
    }
    
    .main-footer .footer-links {
        gap: 1.25rem;
    }
    
    .main-footer .footer-column-title {
        margin-bottom: 0.875rem;
    }
    
    .main-footer .footer-column-links li {
        margin-bottom: 0.625rem;
    }
}

/* Tablet landscape view */
@media (min-width: 769px) and (max-width: 1024px) {
    .main-footer .footer-content {
        gap: 2.5rem;
    }
    
    .main-footer .footer-links {
        gap: 1.5rem;
    }
}

/* Large screens */
@media (min-width: 1200px) {
    .main-footer .footer-content {
        padding: 4rem 0;
        gap: 4rem;
    }
    
    .main-footer .footer-links {
        gap: 3rem;
    }
    
    .main-footer .footer-bottom {
        padding: 2rem 0;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .main-footer {
        border-top-width: 2px;
    }
    
    .main-footer .footer-link:focus {
        outline-width: 3px;
    }
    
    .main-footer .footer-content {
        border-bottom-width: 2px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .main-footer .footer-link {
        transition: none;
    }
}

/* Print styles */
@media print {
    .main-footer {
        background: white !important;
        color: black !important;
        border-top: 2px solid black;
        page-break-inside: avoid;
    }
    
    .main-footer .footer-brand-name,
    .main-footer .footer-column-title {
        color: black !important;
    }
    
    .main-footer .footer-brand-description,
    .main-footer .footer-link,
    .main-footer .footer-copyright p {
        color: #333 !important;
    }
    
    .main-footer .footer-content {
        border-bottom: 1px solid #ccc;
    }
    
    .main-footer .footer-link:hover,
    .main-footer .footer-link:focus {
        color: black !important;
        text-decoration: underline !important;
    }
}

/* Focus management for accessibility */
.main-footer .footer-link:focus-visible {
    color: var(--color-primary, #0066cc);
    outline: 2px solid var(--color-primary, #0066cc);
    outline-offset: 2px;
    border-radius: var(--radius-sm, 0.375rem);
}

/* Ensure links are easily tappable on touch devices */
@media (hover: none) and (pointer: coarse) {
    .main-footer .footer-link {
        padding: 0.25rem 0;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .main-footer .footer-column-links li {
        margin-bottom: 0.25rem;
    }
}