/**
 * Frontend Footer CSS
 * 
 * Styles for website footer component.
 * 
 * SOP Compliance:
 * - SOP-CSS_v1: No inline styles (CSP compliant)
 * - SOP-SRP: Footer styling only
 * - Uses CSS variables from theme files (SST)
 * - Follows DRY: Uses utility classes where possible
 * 
 * Expected Usage:
 * - Applied to .site-footer element
 * - Responsive design for mobile/desktop
 */

/* Footer Container */
.site-footer {
    background-color: var(--bg-secondary, #1e293b);
    border-top: var(--border-width-thin, 1px) solid var(--border-primary, #334155);
    padding: var(--spacing-lg, 1.5rem) var(--spacing-md, 1rem);
    margin-top: var(--spacing-xl, 2rem);
}

.footer-container {
    max-width: var(--container-max-width, 1200px);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg, 1.5rem);
}

/* Footer Sections */
.footer-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm, 0.5rem);
}

.footer-section-title {
    font-size: var(--font-size-base, 1rem);
    font-weight: var(--font-weight-bold, 700);
    color: var(--text-primary, #f1f5f9);
    margin: 0 0 var(--spacing-sm, 0.5rem) 0;
}

.footer-section-content {
    color: var(--text-secondary, #cbd5e1);
    font-size: var(--font-size-sm, 0.875rem);
    line-height: var(--line-height-normal, 1.5);
}

/* Footer Navigation Links */
.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md, 1rem);
}

.footer-link {
    color: var(--brand-primary, #60a5fa);
    text-decoration: none;
    font-size: var(--font-size-sm, 0.875rem);
    transition: color var(--transition-base, 200ms) var(--ease-in-out, cubic-bezier(0.4, 0, 0.2, 1));
}

.footer-link:hover {
    color: var(--brand-primary-hover, #3b82f6);
    text-decoration: underline;
}

.footer-link:focus {
    outline: var(--focus-ring-width, 2px) solid var(--border-focus, #60a5fa);
    outline-offset: var(--focus-ring-offset, 2px);
}

/* Default Footer Content */
.footer-copyright,
.footer-contact {
    margin: var(--spacing-xs, 0.25rem) 0;
    color: var(--text-secondary, #cbd5e1);
    font-size: var(--font-size-sm, 0.875rem);
}

/* Obfuscated Email Link */
.footer-contact-link {
    color: var(--brand-primary, #60a5fa);
    text-decoration: none;
    transition: color var(--transition-base, 200ms) var(--ease-in-out, cubic-bezier(0.4, 0, 0.2, 1));
}

.footer-contact-link:hover {
    color: var(--brand-primary-hover, #3b82f6);
    text-decoration: underline;
}

.footer-contact-link:focus {
    outline: var(--focus-ring-width, 2px) solid var(--border-focus, #60a5fa);
    outline-offset: var(--focus-ring-offset, 2px);
}

.footer-contact-link .email-text {
    /* Ensure text is readable */
    color: inherit;
}

/* Responsive Design */
@media (max-width: 768px) {
    .footer-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-md, 1rem);
    }
    
    .footer-nav {
        flex-direction: column;
        gap: var(--spacing-sm, 0.5rem);
    }
}