/* Footer Component CSS */

/* CSS Variables */
:root {
    --color-slate-800: #1e293b;
    --color-white: #ffffff;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-400: #9ca3af;
    --color-gray-300: #d1d5db;
    --color-primary: #fbbf24;
    --color-primary-dark: #f97316;
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --line-height-relaxed: 1.625;
    --border-radius-md: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-radius-full: 9999px;
    --transition-normal: 0.3s ease;
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --z-fixed: 999;
}

/* Main Footer */
.footer {
    background-color: #333333;
    color: var(--color-white);
    padding-top: var(--spacing-16);
    padding-bottom: var(--spacing-8);
    margin-top: 4rem;
    margin-left: 1rem;
    margin-right: 1rem;
    margin-bottom: 1rem;
    border-radius: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-12);
}

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

.footer-section h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--spacing-6);
    position: relative;
}

.footer-section h4:after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

/* Footer Title (Company Name) */
.footer-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-6);
}

.footer-description {
    color: #e2e8f0;
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-6);
    font-size: var(--font-size-sm);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* Footer Lists */
.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section li {
    margin-bottom: var(--spacing-3);
}

.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: all var(--transition-normal);
    display: inline-block;
    padding: var(--spacing-1) 0;
}

.footer-section a:hover {
    color: var(--color-primary);
    transform: translateX(4px);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* Social Links */
.social-links {
    display: flex;
    gap: var(--spacing-4);
    margin-top: var(--spacing-4);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--color-gray-700);
    border-radius: var(--border-radius-full);
    color: var(--color-white);
    text-decoration: none;
    transition: all var(--transition-normal);
    font-size: var(--font-size-lg);
}

.social-links a:hover {
    background-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Contact Info in Footer */
.contact-info-footer {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.contact-item-footer {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    color: #e2e8f0;
    font-size: var(--font-size-sm);
    padding: var(--spacing-1) 0;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.contact-item-footer i {
    color: var(--color-primary);
    font-size: var(--font-size-base);
    width: 20px;
    text-align: center;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.contact-item-footer span {
    line-height: var(--line-height-relaxed);
}

/* Footer Bottom */
.footer-bottom {
    border-top: 1px solid var(--color-gray-600);
    padding-top: var(--spacing-8);
}

.footer-bottom-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-6);
}

.footer-legal {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.footer-legal p {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    margin: 0;
}

.legal-links {
    display: flex;
    gap: var(--spacing-6);
}

.legal-links a {
    color: var(--color-gray-400);
    text-decoration: none;
    font-size: var(--font-size-xs);
    transition: color var(--transition-normal);
}

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

/* Footer Certifications */
.footer-certifications {
    display: flex;
    gap: var(--spacing-6);
    align-items: center;
}

.certification-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    background-color: var(--color-gray-700);
    border-radius: var(--border-radius-md);
    color: var(--color-gray-300);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border: 1px solid var(--color-gray-600);
    transition: all var(--transition-normal);
}

.certification-badge:hover {
    background-color: var(--color-gray-600);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.certification-badge i {
    color: var(--color-primary);
    font-size: var(--font-size-sm);
}

/* Newsletter Signup */
.newsletter-signup {
    margin-top: var(--spacing-6);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-2);
    margin-top: var(--spacing-4);
}

.newsletter-input {
    flex: 1;
    padding: var(--spacing-3) var(--spacing-4);
    border: 1px solid var(--color-gray-600);
    border-radius: var(--border-radius-md);
    background-color: var(--color-gray-700);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    transition: all var(--transition-normal);
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: var(--color-gray-600);
}

.newsletter-input::placeholder {
    color: var(--color-gray-400);
}

.newsletter-button {
    padding: var(--spacing-3) var(--spacing-4);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    border: none;
    border-radius: var(--border-radius-md);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.newsletter-button:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    border: none;
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: var(--z-fixed);
    font-size: var(--font-size-lg);
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* Responsive Footer */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--spacing-6);
    }
}

@media (max-width: 768px) {
    .footer {
        padding-top: var(--spacing-12);
        padding-bottom: var(--spacing-6);
        margin-left: 0.5rem;
        margin-right: 0.5rem;
        border-radius: 0.75rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
        margin-bottom: var(--spacing-8);
    }
    
    .footer-bottom-content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-4);
    }
    
    .footer-certifications {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-3);
    }
    
    .certification-badge {
        width: 100%;
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
        margin-top: var(--spacing-6);
    }
    
    .newsletter-form {
        flex-direction: column;
        gap: var(--spacing-3);
    }
    
    .newsletter-button {
        width: 100%;
    }
    
    .legal-links {
        flex-direction: column;
        gap: var(--spacing-2);
    }
    
    .back-to-top {
        bottom: var(--spacing-4);
        right: var(--spacing-4);
        width: 45px;
        height: 45px;
        font-size: var(--font-size-base);
    }
}

@media (max-width: 480px) {
    .footer-container {
        padding: 0 var(--spacing-3);
    }
    
    .footer-section {
        text-align: center;
    }
    
    .footer-section h4:after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .contact-info-footer {
        align-items: center;
    }
    
    .contact-item-footer {
        justify-content: center;
        text-align: center;
    }
}

/* Accessibility */
.social-links a:focus,
.footer-section a:focus,
.newsletter-input:focus,
.newsletter-button:focus,
.legal-links a:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .footer {
        display: none;
    }
}