/**
 * Knowledge Center Block Styles
 * Knowledge center block styles
 * Optimized for performance and accessibility (WCAG 2.1 AA, Israeli Standards)
 *
 * @package Experis_Academy
 */

/* ========================================
   ANIMATIONS (Only if motion is allowed)
   ======================================== */

@keyframes fadeInUp {
	from {
		opacity: 0;
		transform: translateY(30px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

/* ========================================
   BASE STYLES
   ======================================== */

.knowledge-center {
	position: relative;
	width: 100%;
	padding: 72px 0;
	background-color: var(--color-bg-white);
	background-repeat: no-repeat;
	background-position: center;
	background-size: cover;
	overflow: hidden;
}

.knowledge-center__container {
	max-width: 1400px;
	margin: 0 auto;
	padding: 0 40px;
	display: flex;
	flex-direction: column;
}

/* ========================================
   HEADER
   ======================================== */

.knowledge-center__header {
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 40px;
	margin-bottom: 16px;
	width: 100%;
}

.knowledge-center__header-content {
	flex: 1;
	text-align: center;
	max-width: 100%;
}

.knowledge-center__subtitle {
	font-family: var(--font-family-hebrew);
	font-size: var(--font-size-base);
	font-weight: var(--font-weight-semibold);
	line-height: 1.3;
	color: var(--color-grey-1);
	margin: 0;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	text-align: center;
}

.knowledge-center__title {
	font-family: var(--font-family-hebrew);
	line-height: 1.2;
	color: var(--color-violet-primary);
	margin: 0 0 16px;
	text-align: center;
	direction: rtl;
}


.knowledge-center__description {
	font-size: var(--font-size-base);
	color: var(--color-text-primary);
	max-width: 100%;
	margin: 0;
	line-height: 1.6;
	text-align: center;
	direction: rtl;
}

.knowledge-center__description p {
	margin: 0;
}

.knowledge-center__description p + p {
	margin-top: 1em;
}

.knowledge-center__header-button {
	flex-shrink: 0;
	display: flex;
	align-items: center;
}

.knowledge-center__button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 12px 24px;
	border-radius: 108px;
	font-family: var(--font-family-hebrew);
	font-size: var(--font-size-base);
	font-weight: var(--font-weight-normal);
	line-height: 1.3;
	text-decoration: none;
	transition: all 0.3s ease;
	cursor: pointer;
	white-space: nowrap;
	background: var(--color-white);
	color: var(--color-violet-gradient-mid);
	border: 1px solid var(--color-violet-gradient-mid);
}

.knowledge-center__button:hover {
	background: var(--color-violet-gradient-mid);
	color: var(--color-white);
	transform: translateY(-2px);
	box-shadow: 0 4px 12px rgba(123, 90, 179, 0.3);
}

.knowledge-center__button:focus {
	outline: 2px solid var(--color-violet-gradient-mid);
	outline-offset: 2px;
}

/* ========================================
   FILTER ROW (above categories / articles)
   ======================================== */

.knowledge-center__filter {
	margin-bottom: 24px;
	width: 100%;
}

.knowledge-center__filter-inner {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	justify-content: center;
	align-items: center;
}

.knowledge-center__filter-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 10px 20px;
	border-radius: 90px;
	font-family: var(--font-family-hebrew);
	font-size: var(--font-size-base);
	font-weight: var(--font-weight-normal);
	line-height: 1.3;
	text-decoration: none;
	color: var(--color-violet-gradient-mid);
	background: transparent;
	border: none;
	cursor: pointer;
	transition: all 0.2s ease;
	white-space: nowrap;
}

.knowledge-center__filter-btn:hover {
	background: var(--color-bg-grey);
	border-color: var(--color-violet-gradient-mid);
	color: var(--color-violet-primary);
}

.knowledge-center__filter-btn.is-active {
	background: var(--color-violet-primary);
	border-color: var(--color-violet-primary);
	color: var(--color-white);
}

.knowledge-center__filter-btn:focus {
	outline: none;
}

/* Load more button */
.knowledge-center__load-more-wrap {
	display: flex;
	justify-content: center;
	margin-top: 40px;
}

.knowledge-center__load-more {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 14px 32px;
	border-radius: 90px;
	font-family: var(--font-family-hebrew);
	font-size: var(--font-size-base);
	font-weight: var(--font-weight-normal);
	line-height: 1.3;
	color: var(--color-violet-gradient-mid);
	background: var(--color-white);
	border: 1px solid var(--color-violet-gradient-start);
	cursor: pointer;
	transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.knowledge-center__load-more:hover:not(:disabled) {
	background: var(--color-bg-grey);
	border-color: var(--color-violet-gradient-mid);
	color: var(--color-violet-primary);
}

.knowledge-center__load-more:disabled {
	opacity: 0.7;
	cursor: wait;
}

.knowledge-center__load-more-loading {
	display: none;
}

.knowledge-center__load-more-loading:not([hidden]) {
	display: inline;
}

/* ========================================
   CAROUSEL WRAPPER
   ======================================== */

.knowledge-center__carousel-wrapper {
	position: relative;
	width: 100%;
	overflow: hidden;
}

.knowledge-center__carousel {
	display: flex;
	gap: 24px;
	transition: transform 0.5s ease;
	will-change: transform;
	padding: 26px 0;
}

/* Grid mode (with filter) – wrap, no carousel transform */
.knowledge-center__carousel--grid {
	flex-wrap: wrap;
	transform: none;
	padding: 0;
}

/* ========================================
   CARD STYLES
   ======================================== */

.knowledge-center__card {
	flex: 0 0 calc(33.333% - 16px);
	min-width: 0;
	background: var(--color-white);
	border: 1px solid var(--color-border);
	border-radius: 16px;
	overflow: hidden;
}

.knowledge-center__card-link {
	display: flex;
	flex-direction: column;
	width: 100%;
	height: 100%;
	text-decoration: none;
	color: inherit;
}

.knowledge-center__card:hover {
	transform: translateY(-4px);
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* Card Image */
.knowledge-center__card-image-wrapper {
	position: relative;
	width: 100%;
	height: 200px;
	overflow: hidden;
	background-color: var(--color-bg-grey);
}

.knowledge-center__card-image {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.5s ease;
	display: block;
}

.knowledge-center__card-image-placeholder {
	width: 100%;
	height: 100%;
	display: block;
	background: linear-gradient(135deg, var(--color-violet-gradient-start) 0%, var(--color-violet-gradient-mid) 50%, var(--color-violet-gradient-end) 100%);
}

.knowledge-center__card:hover .knowledge-center__card-image {
	transform: scale(1.05);
}

/* Card Content */
.knowledge-center__card-content {
	padding: 20px;
	display: flex;
	flex-direction: column;
	gap: 8px;
	flex: 1;
	text-align: right;
	direction: rtl;
}

.knowledge-center__card-title {
	font-family: var(--font-family-hebrew);
	font-size: var(--font-size-lg);
	font-weight: var(--font-weight-bold);
	line-height: 1.4;
	color: var(--color-violet-primary);
	margin: 0 0 8px;
	text-align: right;
	direction: rtl;
}

.knowledge-center__card-description {
	font-size: var(--font-size-base);
	color: var(--color-text-primary);
	line-height: 1.6;
	margin: 0;
	text-align: right;
	direction: rtl;
	display: -webkit-box;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
	overflow: hidden;
	text-overflow: ellipsis;
}

/* ========================================
   NAVIGATION BUTTONS
   ======================================== */

.knowledge-center__navigation {
	display: flex;
	gap: 16px;
	justify-content: center;
	margin-top: 24px;
}

.knowledge-center__nav-button {
	width: 48px;
	height: 48px;
	border-radius: 50%;
	background: transparent;
	border: 1px solid var(--color-violet-gradient-start);
	color: var(--color-violet-gradient-start);
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: all 0.3s ease;
	flex-shrink: 0;
	padding: 0;
}

.knowledge-center__nav-button:hover:not(:disabled) {
	background: var(--color-violet-gradient-start);
	color: var(--color-white);
	border-color: var(--color-violet-gradient-start);
	transform: scale(1.05);
}

.knowledge-center__nav-button:disabled {
	opacity: 0.3;
	cursor: not-allowed;
}

.knowledge-center__nav-button svg {
	width: 24px;
	height: 24px;
}

.knowledge-center__nav-button--prev svg {
	transform: scaleX(-1);
}

.knowledge-center__nav-button--next svg {
	transform: scaleX(-1);
}

/* ========================================
   NO ITEMS STATE
   ======================================== */

.knowledge-center__no-items {
	text-align: center;
	padding: 60px 20px;
	color: var(--color-text-secondary);
}

.knowledge-center__no-items p {
	font-family: var(--font-family-hebrew);
	font-size: var(--font-size-lg);
	margin: 0;
}

/* ========================================
   AOS (Animate On Scroll) INTEGRATION
   ======================================== */

[data-aos="fade-up"] {
	opacity: 0;
	transform: translateY(30px);
	transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

[data-aos="fade-up"].aos-animate {
	opacity: 1;
	transform: translateY(0);
}

/* ========================================
   TABLET RESPONSIVE (max-width: 1024px)
   ======================================== */

@media (max-width: 1024px) {
	.knowledge-center {
		padding: 60px 0;
	}

	.knowledge-center__container {
		padding: 0 24px;
	}

	.knowledge-center__title {
	}

	.knowledge-center__card {
		flex: 0 0 calc(50% - 12px);
	}
}

/* ========================================
   MOBILE RESPONSIVE (max-width: 768px)
   ======================================== */

@media (max-width: 768px) {
	.knowledge-center {
		padding: 56px 0;
	}

	.knowledge-center__container {
		padding: 0 16px;
	}

	.knowledge-center__header {
		flex-direction: column;
		gap: 24px;
		margin-bottom: 32px;
		align-items: flex-start;
	}

	.knowledge-center__header-content {
		max-width: 100%;
		width: 100%;
	}

	.knowledge-center__header-button {
		width: 100%;
		justify-content: flex-start;
	}

	.knowledge-center__button {
		width: 100%;
		justify-content: center;
	}

	.knowledge-center__subtitle {
		font-size: var(--font-size-sm);
		margin-bottom: 6px;
	}

	.knowledge-center__title {
		margin-bottom: 12px;
	}

	.knowledge-center__description {
		font-size: var(--font-size-base);
	}

	.knowledge-center__filter-inner {
		gap: 8px;
		justify-content: center;
	}

	.knowledge-center__filter-btn {
		padding: 8px 16px;
		font-size: var(--font-size-sm);
	}

	.knowledge-center__carousel-wrapper {
		overflow: hidden;
		touch-action: pan-y pinch-zoom;
	}

	.knowledge-center__carousel {
		gap: 16px;
		padding: 0 0 8px 0;
	}

	.knowledge-center__carousel--grid .knowledge-center__card {
		flex: 0 0 100%;
		min-width: 0;
	}

	.knowledge-center__card {
		flex: 0 0 350px;
		min-width: 350px;
	}

	/* Disable AOS on mobile – show entire block and all articles (animation was hiding content) */
	.knowledge-center[data-aos],
	.knowledge-center [data-aos] {
		opacity: 1 !important;
		transform: translateY(0) !important;
		transition: none !important;
	}

	.knowledge-center__card-image-wrapper {
		height: 200px;
	}

	.knowledge-center__card-content {
		padding: 20px;
		gap: 8px;
	}

	.knowledge-center__card-title {
		font-size: var(--font-size-lg);
	}

	.knowledge-center__card-description {
		font-size: var(--font-size-base);
		-webkit-line-clamp: 2;
	}

	/* Hide navigation buttons on mobile */
	.knowledge-center__navigation {
		display: none !important;
	}
}

/* ========================================
   SMALL MOBILE (max-width: 402px)
   ======================================== */

@media (max-width: 402px) {
	.knowledge-center {
		padding: 48px 0;
	}

	.knowledge-center__title {
	}

	.knowledge-center__card {
		flex: 0 0 320px;
		min-width: 320px;
	}

	.knowledge-center__card-image-wrapper {
		height: 180px;
	}

	.knowledge-center__card-content {
		padding: 16px;
	}

	.knowledge-center__card-title {
		font-size: var(--font-size-base);
	}

	.knowledge-center__card-description {
		font-size: var(--font-size-sm);
		-webkit-line-clamp: 2;
	}
}

/* ========================================
   ACCESSIBILITY (WCAG 2.1 AA + Israeli Standards)
   ======================================== */

/* Focus styles - Minimum 2px outline */
.knowledge-center__card-link:focus,
.knowledge-center__nav-button:focus,
.knowledge-center__button:focus,
.knowledge-center__filter-btn:focus {
	outline: none;
}

.knowledge-center__nav-button:focus {
	border-radius: 50%;
}

.knowledge-center__button:focus {
	border-radius: 108px;
}

/* Skip animations for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
	.knowledge-center__card,
	.knowledge-center__card-image,
	.knowledge-center__card-title,
	.knowledge-center__title,
	.knowledge-center__carousel,
	.knowledge-center__nav-button,
	.knowledge-center__button,
	[data-aos] {
		animation: none !important;
		transition: none !important;
	}
	
	.knowledge-center__carousel {
		transition: none !important;
	}
}

/* High contrast mode support */
@media (prefers-contrast: high) {
	.knowledge-center__card {
		border: 2px solid var(--color-text-primary);
	}

	.knowledge-center__button {
		border: 2px solid var(--color-violet-gradient-mid);
	}
	
	.knowledge-center__nav-button {
		border: 2px solid var(--color-violet-gradient-start);
	}
}

/* Print styles */
@media print {
	.knowledge-center__navigation {
		display: none;
	}

	.knowledge-center__carousel {
		flex-wrap: wrap;
	}

	.knowledge-center__card {
		page-break-inside: avoid;
		break-inside: avoid;
	}
}