/**
 * RDU Blogs — Front-end styles.
 *
 * Colour tokens mirror the Kindred style guide:
 *   --rdu-primary:            hsl(206 67% 22%)
 *   --rdu-primary-foreground: hsl(40 33% 97%)
 *   --rdu-foreground:         hsl(220 20% 20%)
 *   --rdu-muted-foreground:   hsl(220 10% 46%)
 *   --rdu-card:               hsl(34 40% 93%)
 *   --rdu-border:             hsl(40 15% 88%)
 *   --rdu-sage-light:         hsl(206 25% 93%)
 *   --rdu-cream-dark:         hsl(34 46% 87%)
 */

/* ------------------------------------------------------------------ */
/*  CSS Custom Properties                                              */
/* ------------------------------------------------------------------ */
:root {
	--rdu-primary: hsl(206, 67%, 22%);
	--rdu-primary-foreground: hsl(40, 33%, 97%);
	--rdu-foreground: hsl(220, 20%, 20%);
	--rdu-muted-foreground: hsl(220, 10%, 46%);
	--rdu-card-bg: hsl(34, 40%, 93%);
	--rdu-border: hsl(40, 15%, 88%);
	--rdu-sage-light: hsl(206, 25%, 93%);
	--rdu-cream-dark: hsl(34, 46%, 87%);
	--rdu-font-heading: 'ltc-bodoni-175', 'Playfair Display', Georgia, serif;
	--rdu-font-body: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ------------------------------------------------------------------ */
/*  Section / Container                                                */
/* ------------------------------------------------------------------ */
.rdu-blogs-section {
	padding: 5rem 0;
	box-sizing: border-box;
}

.rdu-blogs-section--page {
	background-color: transparent;
}

.rdu-blogs-section--home {
	background-color: transparent;
}

.rdu-blogs-container {
	max-width: 1280px;
	margin: 0 auto;
	padding: 0 1rem;
	box-sizing: border-box;
}

/* ------------------------------------------------------------------ */
/*  Sidebar + Main Layout                                              */
/* ------------------------------------------------------------------ */
.rdu-blogs-layout {
	display: flex;
	gap: 2.5rem;
	align-items: flex-start;
}

.rdu-blogs-sidebar {
	flex-shrink: 0;
	width: 220px;
	position: sticky;
	top: 2rem;
	max-height: calc(100vh - 4rem);
	display: flex;
	flex-direction: column;
}

.rdu-blogs-sidebar__title {
	font-family: var(--rdu-font-heading);
	font-size: 1.125rem;
	font-weight: 600;
	color: var(--rdu-foreground);
	margin: 0 0 1rem;
}

.rdu-blogs-sidebar__list {
	list-style: none !important;
	margin: 0;
	padding: 0;
	overflow-y: auto;
	flex: 1;
	scrollbar-width: thin;
	scrollbar-color: var(--rdu-border) transparent;
}

.rdu-blogs-sidebar__list::-webkit-scrollbar {
	width: 4px;
}

.rdu-blogs-sidebar__list::-webkit-scrollbar-track {
	background: transparent;
}

.rdu-blogs-sidebar__list::-webkit-scrollbar-thumb {
	background-color: var(--rdu-border);
	border-radius: 4px;
}

.rdu-blogs-sidebar__list li {
	list-style: none !important;
	margin: 0;
	padding: 0;
}

.rdu-blogs-sidebar__list li::before,
.rdu-blogs-sidebar__list li::marker {
	display: none !important;
	content: none !important;
}

.rdu-blogs-sidebar__item {
	display: flex;
	align-items: center;
	justify-content: space-between;
	width: 100%;
	padding: 0.6rem 0.85rem;
	border: none;
	border-radius: 0.5rem;
	background: transparent;
	font-family: var(--rdu-font-body);
	font-size: 0.875rem;
	color: var(--rdu-muted-foreground);
	cursor: pointer;
	transition: background-color 0.2s ease, color 0.2s ease;
	text-align: left;
	line-height: 1.4;
}

.rdu-blogs-sidebar__item:hover {
	background-color: var(--rdu-sage-light);
	color: var(--rdu-foreground);
}

.rdu-blogs-sidebar__item--active {
	background-color: var(--rdu-primary);
	color: var(--rdu-primary-foreground);
}

.rdu-blogs-sidebar__item--active:hover {
	background-color: var(--rdu-primary);
	color: var(--rdu-primary-foreground);
}

.rdu-blogs-sidebar__count {
	font-size: 0.75rem;
	opacity: 0.7;
	margin-left: 0.5rem;
	flex-shrink: 0;
}

.rdu-blogs-main {
	flex: 1;
	min-width: 0;
}

/* Dropdown — hidden on desktop */
.rdu-blogs-sidebar__dropdown {
	display: none;
}

/* Mobile: sidebar stacks on top, show dropdown, hide list */
@media (max-width: 767px) {
	.rdu-blogs-layout {
		flex-direction: column;
		gap: 1.5rem;
	}

	.rdu-blogs-sidebar {
		width: 100%;
		position: static;
		max-height: none;
	}

	.rdu-blogs-sidebar__list {
		display: none !important;
	}

	.rdu-blogs-sidebar__dropdown {
		display: block;
		width: 100%;
		padding: 0.7rem 1rem;
		font-family: var(--rdu-font-body);
		font-size: 0.875rem;
		color: var(--rdu-foreground);
		background-color: #fff;
		border: 1px solid var(--rdu-border);
		border-radius: 0.5rem;
		cursor: pointer;
		appearance: none;
		-webkit-appearance: none;
		background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23646870' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
		background-repeat: no-repeat;
		background-position: right 0.85rem center;
		padding-right: 2.5rem;
	}

	.rdu-blogs-sidebar__dropdown:focus {
		outline: 2px solid var(--rdu-primary);
		outline-offset: 1px;
		border-color: var(--rdu-primary);
	}
}

/* ------------------------------------------------------------------ */
/*  Loading text                                                       */
/* ------------------------------------------------------------------ */
.rdu-blogs-loading-text {
	text-align: center;
	font-family: var(--rdu-font-body);
	font-size: 0.9rem;
	color: var(--rdu-muted-foreground);
	padding: 3rem 0;
}

/* ------------------------------------------------------------------ */
/*  Grid                                                               */
/* ------------------------------------------------------------------ */
.rdu-blogs-grid {
	display: grid;
	grid-template-columns: repeat(1, 1fr);
	gap: 2rem;
}

@media (min-width: 768px) {
	.rdu-blogs-grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (min-width: 1024px) {
	.rdu-blogs-grid {
		grid-template-columns: repeat(3, 1fr);
	}
}

/* Home variant: 3 columns from sm */
@media (min-width: 640px) {
	.rdu-blogs-grid--home {
		grid-template-columns: repeat(3, 1fr);
	}
}

.rdu-blogs-grid--home {
	gap: 1.5rem;
}

/* ------------------------------------------------------------------ */
/*  Blog Card (shared)                                                 */
/* ------------------------------------------------------------------ */
.rdu-blog-card {
	display: block;
	background-color: var(--rdu-card-bg);
	border-radius: 1rem;
	overflow: hidden;
	box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
	border: 1px solid var(--rdu-border);
	text-decoration: none;
	color: inherit;
	transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.rdu-blog-card:hover,
.rdu-blog-card:focus-visible {
	box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
	border-color: hsla(206, 67%, 22%, 0.2);
	text-decoration: none;
	color: inherit;
}

/* Image */
.rdu-blog-card__image-wrap {
	position: relative;
	width: 100%;
	height: 12rem; /* h-48 */
	overflow: hidden;
}

.rdu-blog-card__image {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	transition: transform 0.3s ease;
}

.rdu-blog-card:hover .rdu-blog-card__image {
	transform: scale(1.05);
}

.rdu-blog-card__image-placeholder {
	width: 100%;
	height: 12rem;
	background: linear-gradient(135deg, var(--rdu-sage-light), var(--rdu-cream-dark));
}

/* Content */
.rdu-blog-card__content {
	padding: 1.5rem;
}

.rdu-blog-card__meta {
	font-family: var(--rdu-font-body);
	font-size: 0.75rem;
	color: var(--rdu-muted-foreground);
	margin: 0 0 0.5rem;
	line-height: 1.4;
}

.rdu-blog-card__title {
	font-family: var(--rdu-font-heading);
	font-size: 1.125rem;
	font-weight: 600;
	color: var(--rdu-foreground);
	margin: 0 0 0.75rem;
	line-height: 1.35;
	transition: color 0.2s ease;
}

.rdu-blog-card:hover .rdu-blog-card__title {
	color: var(--rdu-primary);
}

.rdu-blog-card__excerpt {
	font-family: var(--rdu-font-body);
	font-size: 0.875rem;
	color: var(--rdu-muted-foreground);
	margin: 0 0 1rem;
	line-height: 1.6;
	display: -webkit-box;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.rdu-blog-card__read-more {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	font-family: var(--rdu-font-body);
	font-size: 0.875rem;
	font-weight: 500;
	color: var(--rdu-primary);
}

.rdu-blog-card__read-more svg {
	flex-shrink: 0;
}

/* ------------------------------------------------------------------ */
/*  Load More Button (Blog Page)                                       */
/* ------------------------------------------------------------------ */
.rdu-blogs-load-more-wrap {
	text-align: center;
	margin-top: 2.5rem;
}

.rdu-blogs-load-more-btn {
	display: inline-block;
	padding: 0.75rem 2rem;
	background-color: var(--rdu-foreground);
	color: var(--rdu-primary-foreground);
	font-family: var(--rdu-font-body);
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	border: none;
	border-radius: 9999px;
	cursor: pointer;
	transition: background-color 0.2s ease, opacity 0.2s ease;
	line-height: 1.5;
}

.rdu-blogs-load-more-btn:hover {
	background-color: hsla(220, 20%, 20%, 0.9);
}

.rdu-blogs-load-more-btn:disabled {
	opacity: 0.5;
	cursor: not-allowed;
}

.rdu-blogs-load-more-btn--loading {
	pointer-events: none;
	opacity: 0.7;
}

/* ------------------------------------------------------------------ */
/*  Home Page Heading & CTA                                            */
/* ------------------------------------------------------------------ */
.rdu-blogs-home__heading {
	font-family: var(--rdu-font-heading);
	font-size: 1.875rem;
	font-weight: 600;
	color: var(--rdu-foreground);
	text-align: center;
	margin: 0 0 2.5rem;
	line-height: 1.25;
}

@media (min-width: 768px) {
	.rdu-blogs-home__heading {
		font-size: 2.25rem;
	}
}

.rdu-blogs-home__subheading-row {
	display: flex;
	align-items: center;
	justify-content: flex-start;
	margin-bottom: 1rem;
	max-width: 1120px;
	margin-left: auto;
	margin-right: auto;
}

.rdu-blogs-home__label {
	font-family: var(--rdu-font-body);
	font-size: 0.875rem;
	color: var(--rdu-muted-foreground);
}

.rdu-blogs-home__cta-wrap {
	text-align: center;
	margin-top: 2rem;
}

.rdu-blogs-home__cta-btn {
	display: inline-block;
	padding: 0.75rem 2rem;
	background-color: var(--rdu-foreground);
	color: var(--rdu-primary-foreground);
	font-family: var(--rdu-font-body);
	font-size: 0.75rem;
	font-weight: 600;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	text-decoration: none;
	border-radius: 9999px;
	transition: background-color 0.2s ease;
	line-height: 1.5;
}

.rdu-blogs-home__cta-btn:hover {
	background-color: hsla(220, 20%, 20%, 0.9);
	color: var(--rdu-primary-foreground);
	text-decoration: none;
}

/* ------------------------------------------------------------------ */
/*  Empty State                                                        */
/* ------------------------------------------------------------------ */
.rdu-blogs-empty {
	text-align: center;
	font-family: var(--rdu-font-body);
	font-size: 1rem;
	color: var(--rdu-muted-foreground);
	padding: 3rem 0;
}

/* ------------------------------------------------------------------ */
/*  Fade-in animation for newly loaded cards                           */
/* ------------------------------------------------------------------ */
@keyframes rduFadeInUp {
	from {
		opacity: 0;
		transform: translateY(12px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.rdu-blog-card--new {
	animation: rduFadeInUp 0.4s ease forwards;
}