/**
 * TalentHub Footer Styles
 * Site footer component with branding, navigation, contact, and social links
 */

/* ========================================================================
   FOOTER MAIN
   ======================================================================== */

.site-footer {
	background: var(--color-surface, #f8f9fa);
	border-top: 1px solid var(--color-border, #e0e0e0);
	margin-top: auto;
}

.site-footer .container {
	max-width: var(--container-width, 1200px);
	margin: 0 auto;
	padding: 0 var(--spacing-lg, 1.5rem);
}

.footer-main {
	padding: var(--spacing-3xl, 48px) 0 var(--spacing-2xl, 32px);
}

.footer-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: var(--spacing-2xl, 32px);
}

/* ========================================================================
   FOOTER COLUMNS
   ======================================================================== */

.footer-column {
	min-width: 0; /* Prevent grid overflow */
}

.footer-heading {
	font-size: 1rem;
	font-weight: 600;
	margin: 0 0 var(--spacing-md, 16px) 0;
	color: var(--color-text, #1f2937);
}

/* ========================================================================
   BRAND COLUMN
   ======================================================================== */

.footer-brand .footer-logo {
	margin-bottom: var(--spacing-md, 16px);
}

.footer-brand .footer-logo a {
	font-size: 1.25rem;
	font-weight: 700;
	color: var(--color-primary, #4f46e5);
	text-decoration: none;
	transition: opacity 0.2s ease;
}

.footer-brand .footer-logo a:hover {
	opacity: 0.8;
}

.footer-brand .footer-logo img {
	max-width: 150px;
	height: auto;
}

.footer-tagline {
	margin: 0;
	font-size: 0.875rem;
	line-height: 1.6;
	color: var(--color-text-light, #6b7280);
}

/* ========================================================================
   QUICK LINKS COLUMN
   ======================================================================== */

.footer-menu {
	list-style: none;
	margin: 0;
	padding: 0;
}

.footer-menu li {
	margin-bottom: var(--spacing-sm, 8px);
}

.footer-menu li:last-child {
	margin-bottom: 0;
}

.footer-menu a {
	font-size: 0.9375rem;
	color: var(--color-text-secondary, #4b5563);
	text-decoration: none;
	transition: color 0.2s ease;
	display: inline-block;
}

.footer-menu a:hover,
.footer-menu a:focus {
	color: var(--color-primary, #4f46e5);
}

/* ========================================================================
   CONTACT COLUMN
   ======================================================================== */

.footer-contact-list {
	list-style: none;
	margin: 0;
	padding: 0;
}

.footer-contact-list li {
	margin-bottom: var(--spacing-md, 16px);
	font-size: 0.9375rem;
	color: var(--color-text-secondary, #4b5563);
	line-height: 1.6;
}

.footer-contact-list li:last-child {
	margin-bottom: 0;
}

.footer-contact-list a {
	color: var(--color-text-secondary, #4b5563);
	text-decoration: none;
	transition: color 0.2s ease;
}

.footer-contact-list a:hover,
.footer-contact-list a:focus {
	color: var(--color-primary, #4f46e5);
}

.contact-address {
	white-space: pre-line;
}

/* ========================================================================
   SOCIAL LINKS COLUMN
   ======================================================================== */

.social-links {
	display: flex;
	gap: var(--spacing-md, 16px);
	flex-wrap: wrap;
}

.social-link {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	border-radius: 50%;
	background: var(--color-background, #ffffff);
	border: 1px solid var(--color-border, #e0e0e0);
	color: var(--color-text-secondary, #4b5563);
	text-decoration: none;
	transition: all 0.2s ease;
}

.social-link:hover,
.social-link:focus {
	background: var(--color-primary, #4f46e5);
	border-color: var(--color-primary, #4f46e5);
	color: var(--color-white, #ffffff);
	transform: translateY(-2px);
}

.social-link svg {
	width: 20px;
	height: 20px;
	fill: currentColor;
}

/* ========================================================================
   COPYRIGHT BAR
   ======================================================================== */

.footer-copyright {
	background: var(--color-background, #ffffff);
	border-top: 1px solid var(--color-border, #e0e0e0);
	padding: var(--spacing-lg, 20px) 0;
}

.copyright-content {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--spacing-lg, 20px);
	flex-wrap: wrap;
}

.copyright-text {
	margin: 0;
	font-size: 0.875rem;
	color: var(--color-text-light, #6b7280);
}

.footer-legal-links {
	display: flex;
	gap: var(--spacing-lg, 20px);
}

.footer-legal-links a {
	font-size: 0.875rem;
	color: var(--color-text-secondary, #4b5563);
	text-decoration: none;
	transition: color 0.2s ease;
}

.footer-legal-links a:hover,
.footer-legal-links a:focus {
	color: var(--color-primary, #4f46e5);
	text-decoration: underline;
}

/* ========================================================================
   RESPONSIVE DESIGN
   ======================================================================== */

/* Tablet (768-1024px) - 2x2 Grid */
@media (max-width: 1024px) {
	.footer-grid {
		grid-template-columns: repeat(2, 1fr);
		gap: var(--spacing-xl, 24px);
	}
}

/* Mobile (<768px) - Stacked */
@media (max-width: 768px) {
	.footer-main {
		padding: var(--spacing-2xl, 32px) 0 var(--spacing-xl, 24px);
	}

	.footer-grid {
		grid-template-columns: 1fr;
		gap: var(--spacing-2xl, 32px);
	}

	.copyright-content {
		flex-direction: column;
		text-align: center;
		gap: var(--spacing-md, 16px);
	}

	.footer-legal-links {
		flex-wrap: wrap;
		justify-content: center;
	}
}

/* Small mobile (<480px) */
@media (max-width: 480px) {
	.footer-main {
		padding: var(--spacing-xl, 24px) 0 var(--spacing-lg, 20px);
	}

	.footer-grid {
		gap: var(--spacing-xl, 24px);
	}

	.social-links {
		gap: var(--spacing-sm, 8px);
	}

	.social-link {
		width: 36px;
		height: 36px;
	}

	.social-link svg {
		width: 18px;
		height: 18px;
	}
}

/* ========================================================================
   DARK MODE SUPPORT
   ======================================================================== */

@media (prefers-color-scheme: dark) {
	.site-footer {
		background: var(--color-dark-surface, #1f2937);
		border-top-color: var(--color-dark-border, #374151);
	}

	.footer-heading {
		color: var(--color-dark-text, #f3f4f6);
	}

	.footer-brand .footer-logo a {
		color: var(--color-primary-light, #818cf8);
	}

	.footer-tagline {
		color: var(--color-dark-text-secondary, #9ca3af);
	}

	.footer-menu a {
		color: var(--color-dark-text-secondary, #d1d5db);
	}

	.footer-menu a:hover,
	.footer-menu a:focus {
		color: var(--color-primary-light, #818cf8);
	}

	.footer-contact-list li {
		color: var(--color-dark-text-secondary, #d1d5db);
	}

	.footer-contact-list a {
		color: var(--color-dark-text-secondary, #d1d5db);
	}

	.footer-contact-list a:hover,
	.footer-contact-list a:focus {
		color: var(--color-primary-light, #818cf8);
	}

	.social-link {
		background: var(--color-dark-bg, #111827);
		border-color: var(--color-dark-border, #374151);
		color: var(--color-dark-text-secondary, #d1d5db);
	}

	.social-link:hover,
	.social-link:focus {
		background: var(--color-primary, #4f46e5);
		border-color: var(--color-primary, #4f46e5);
		color: var(--color-white, #ffffff);
	}

	.footer-copyright {
		background: var(--color-dark-bg, #111827);
		border-top-color: var(--color-dark-border, #374151);
	}

	.copyright-text {
		color: var(--color-dark-text-light, #9ca3af);
	}

	.footer-legal-links a {
		color: var(--color-dark-text-secondary, #d1d5db);
	}

	.footer-legal-links a:hover,
	.footer-legal-links a:focus {
		color: var(--color-primary-light, #818cf8);
	}
}

/* ========================================================================
   ACCESSIBILITY
   ======================================================================== */

/* Focus visible for keyboard navigation */
.footer-menu a:focus-visible,
.footer-contact-list a:focus-visible,
.social-link:focus-visible,
.footer-legal-links a:focus-visible {
	outline: 2px solid var(--color-primary, #4f46e5);
	outline-offset: 2px;
	border-radius: 4px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
	.footer-menu a,
	.footer-contact-list a,
	.social-link,
	.footer-legal-links a,
	.footer-brand .footer-logo a {
		transition: none;
	}
}

/* High contrast support */
@media (prefers-contrast: high) {
	.site-footer {
		border-top-width: 2px;
	}

	.footer-copyright {
		border-top-width: 2px;
	}

	.social-link {
		border-width: 2px;
	}
}