/**
 * Raumkühl – Haupt-Stylesheet
 *
 * Kühles, luftiges Design für Raumklima-Themen.
 * Systemschriftarten (kein Google-Fonts-CDN, DSGVO-konform).
 * Akzentfarbe kommt als CSS-Variable --rk-accent aus dem Customizer.
 *
 * @package Raumkuehl
 */

/* === Design-Tokens ================================================ */
:root {
	--rk-accent: #0891b2;
	--rk-ink: #0f172a;
	--rk-ink-soft: #475569;
	--rk-ink-faint: #8595a8;
	--rk-line: #e2e8f0;
	--rk-line-soft: #eef2f7;
	--rk-bg: #ffffff;
	--rk-bg-soft: #f7fafc;
	--rk-bg-cool: #f0f9ff;
	--rk-amazon: #ff9900;
	--rk-amazon-dark: #e07f00;
	--rk-radius: 16px;
	--rk-radius-sm: 11px;
	--rk-radius-xs: 7px;
	--rk-shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
	--rk-shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 10px 28px rgba(15, 23, 42, .07);
	--rk-shadow-lg: 0 24px 60px rgba(8, 47, 73, .14);
	--rk-maxw: 1180px;
	--rk-content-maxw: 760px;
	--rk-pad: 20px;
	--rk-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

/* === Reset / Basis ================================================ */
*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	scroll-padding-top: 92px;
	-webkit-text-size-adjust: 100%;
}

body {
	margin: 0;
	font-family: var(--rk-font);
	font-size: 18px;
	line-height: 1.7;
	color: var(--rk-ink);
	background: var(--rk-bg);
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
	overflow-x: hidden;
}

img,
svg,
video {
	max-width: 100%;
	height: auto;
}

img {
	display: block;
}

a {
	color: var(--rk-accent);
	text-decoration: none;
}

a:hover {
	text-decoration: underline;
}

h1,
h2,
h3,
h4 {
	line-height: 1.22;
	color: var(--rk-ink);
	font-weight: 700;
	letter-spacing: -.012em;
}

p {
	margin: 0 0 1.1em;
}

:focus-visible {
	outline: 3px solid var(--rk-accent);
	outline-offset: 2px;
	border-radius: 3px;
}

/* === Hilfsklassen ================================================= */
.rk-container {
	width: 100%;
	max-width: var(--rk-maxw);
	margin-inline: auto;
	padding-inline: var(--rk-pad);
}

/* Verschachtelte Container (Hero, Front) nicht doppelt einrücken. */
.rk-container .rk-container {
	max-width: none;
	padding-inline: 0;
}

.screen-reader-text {
	position: absolute !important;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.rk-skip-link {
	position: absolute;
	left: 12px;
	top: -60px;
	z-index: 200;
	background: var(--rk-ink);
	color: #fff;
	padding: 12px 18px;
	border-radius: 0 0 10px 10px;
	transition: top .15s ease;
}

.rk-skip-link:focus {
	top: 0;
	text-decoration: none;
}

/* === Kopfzeile ==================================================== */
.rk-site-header {
	position: sticky;
	top: 0;
	z-index: 50;
	background: rgba(255, 255, 255, .9);
	-webkit-backdrop-filter: saturate(180%) blur(12px);
	backdrop-filter: saturate(180%) blur(12px);
	border-bottom: 1px solid var(--rk-line);
}

.rk-header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	min-height: 72px;
}

.rk-branding {
	display: flex;
	flex-direction: column;
	justify-content: center;
}

.rk-site-title {
	margin: 0;
	font-size: 1.4rem;
	font-weight: 800;
	letter-spacing: -.02em;
}

.rk-site-title a {
	color: var(--rk-ink);
}

.rk-site-title a:hover {
	color: var(--rk-accent);
	text-decoration: none;
}

.rk-site-desc {
	margin: 2px 0 0;
	font-size: .82rem;
	color: var(--rk-ink-soft);
}

.custom-logo-link {
	display: inline-flex;
}

.custom-logo {
	max-height: 52px;
	width: auto;
}

/* Primär-Navigation */
.rk-primary-nav ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	align-items: center;
	gap: 4px;
}

.rk-primary-nav li {
	position: relative;
}

.rk-primary-nav a {
	display: block;
	padding: 10px 14px;
	color: var(--rk-ink);
	font-weight: 600;
	font-size: .96rem;
	border-radius: 9px;
	transition: background .15s ease, color .15s ease;
}

.rk-primary-nav a:hover,
.rk-primary-nav .current-menu-item > a,
.rk-primary-nav .current-menu-ancestor > a {
	background: var(--rk-bg-cool);
	color: var(--rk-accent);
	text-decoration: none;
}

/* Untermenüs (Desktop) */
.rk-primary-nav .sub-menu {
	position: absolute;
	top: 100%;
	left: 0;
	min-width: 220px;
	flex-direction: column;
	align-items: stretch;
	gap: 2px;
	background: #fff;
	border: 1px solid var(--rk-line);
	border-radius: 12px;
	box-shadow: var(--rk-shadow);
	padding: 8px;
	opacity: 0;
	visibility: hidden;
	transform: translateY(6px);
	transition: opacity .16s ease, transform .16s ease, visibility .16s;
}

.rk-primary-nav li:hover > .sub-menu,
.rk-primary-nav li:focus-within > .sub-menu {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

/* Menü-Umschalter (Mobile) */
.rk-menu-toggle {
	display: none;
	align-items: center;
	justify-content: center;
	width: 46px;
	height: 46px;
	padding: 0;
	background: var(--rk-bg-soft);
	border: 1px solid var(--rk-line);
	border-radius: 11px;
	cursor: pointer;
}

.rk-menu-bars {
	display: inline-block;
	width: 20px;
	height: 14px;
	position: relative;
}

.rk-menu-bars span {
	position: absolute;
	left: 0;
	width: 100%;
	height: 2px;
	background: var(--rk-ink);
	border-radius: 2px;
	transition: transform .2s ease, opacity .2s ease, top .2s ease;
}

.rk-menu-bars span:nth-child(1) { top: 0; }
.rk-menu-bars span:nth-child(2) { top: 6px; }
.rk-menu-bars span:nth-child(3) { top: 12px; }

.rk-menu-toggle[aria-expanded="true"] .rk-menu-bars span:nth-child(1) {
	top: 6px;
	transform: rotate(45deg);
}

.rk-menu-toggle[aria-expanded="true"] .rk-menu-bars span:nth-child(2) {
	opacity: 0;
}

.rk-menu-toggle[aria-expanded="true"] .rk-menu-bars span:nth-child(3) {
	top: 6px;
	transform: rotate(-45deg);
}

/* === Inhaltsbereich / Layout ====================================== */
.rk-site-content {
	padding-block: 40px 64px;
}

.rk-layout {
	display: flex;
	align-items: flex-start;
	gap: 44px;
}

.rk-main {
	flex: 1 1 auto;
	min-width: 0;
}

.rk-sidebar {
	flex: 0 0 320px;
	width: 320px;
	position: sticky;
	top: 96px;
}

body.no-sidebar .rk-layout,
.rk-layout-full {
	display: block;
	max-width: var(--rk-content-maxw);
	margin-inline: auto;
}

/* === Breadcrumbs ================================================== */
.rk-breadcrumbs {
	margin-bottom: 22px;
	font-size: .85rem;
}

.rk-breadcrumbs ol {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 6px;
	color: var(--rk-ink-faint);
}

.rk-breadcrumbs li {
	display: flex;
	align-items: center;
	gap: 6px;
}

.rk-breadcrumbs li:not(:last-child)::after {
	content: "/";
	color: var(--rk-line);
}

.rk-breadcrumbs a {
	color: var(--rk-ink-soft);
}

.rk-breadcrumbs [aria-current="page"] {
	color: var(--rk-ink);
	font-weight: 600;
}

/* === Archiv-Kopf ================================================== */
.rk-archive-header {
	margin-bottom: 30px;
	padding-bottom: 22px;
	border-bottom: 1px solid var(--rk-line);
}

.rk-archive-title {
	margin: 0;
	font-size: clamp(1.7rem, 1.2rem + 1.6vw, 2.3rem);
}

.rk-archive-title span {
	color: var(--rk-accent);
}

.rk-archive-desc {
	margin-top: 12px;
	color: var(--rk-ink-soft);
	max-width: 70ch;
}

/* === Beitrags-Raster (Cards) ===================================== */
.rk-post-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
	gap: 28px;
}

body.has-sidebar .rk-post-grid {
	grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

.rk-card {
	display: flex;
	flex-direction: column;
	background: #fff;
	border: 1px solid var(--rk-line);
	border-radius: var(--rk-radius);
	overflow: hidden;
	box-shadow: var(--rk-shadow-sm);
	transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.rk-card:hover {
	transform: translateY(-3px);
	box-shadow: var(--rk-shadow);
	border-color: #d7e3ee;
}

.rk-thumb {
	display: block;
	aspect-ratio: 16 / 10;
	overflow: hidden;
	background: var(--rk-bg-cool);
}

.rk-thumb-img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform .4s ease;
}

.rk-card:hover .rk-thumb-img {
	transform: scale(1.04);
}

.rk-card-body {
	display: flex;
	flex-direction: column;
	gap: 10px;
	padding: 20px 20px 22px;
	flex: 1 1 auto;
}

.rk-card-title {
	margin: 0;
	font-size: 1.18rem;
	line-height: 1.3;
}

.rk-card-title a {
	color: var(--rk-ink);
}

.rk-card-title a:hover {
	color: var(--rk-accent);
	text-decoration: none;
}

.rk-card-meta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px;
	font-size: .8rem;
	color: var(--rk-ink-faint);
}

.rk-card-excerpt {
	margin: 0;
	color: var(--rk-ink-soft);
	font-size: .95rem;
}

.rk-card-more {
	margin-top: auto;
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-weight: 600;
	font-size: .92rem;
	color: var(--rk-accent);
}

.rk-card-more span {
	transition: transform .18s ease;
}

.rk-card-more:hover {
	text-decoration: none;
}

.rk-card-more:hover span {
	transform: translateX(4px);
}

/* Kategorie-Pills */
.rk-cats {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
}

.rk-cat-pill {
	display: inline-block;
	padding: 3px 11px;
	font-size: .74rem;
	font-weight: 600;
	letter-spacing: .01em;
	color: var(--rk-accent);
	background: var(--rk-bg-cool);
	border-radius: 999px;
	transition: background .15s ease;
}

.rk-cat-pill:hover {
	background: #dcf0f8;
	text-decoration: none;
}

.rk-dot {
	color: var(--rk-line);
}

/* === Paginierung ================================================== */
.pagination {
	margin-top: 48px;
}

.pagination .nav-links {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	justify-content: center;
}

.pagination .page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 44px;
	height: 44px;
	padding: 0 12px;
	border: 1px solid var(--rk-line);
	border-radius: 11px;
	color: var(--rk-ink);
	font-weight: 600;
	background: #fff;
	transition: background .15s ease, border-color .15s ease, color .15s ease;
}

.pagination a.page-numbers:hover {
	border-color: var(--rk-accent);
	color: var(--rk-accent);
	text-decoration: none;
}

.pagination .page-numbers.current {
	background: var(--rk-accent);
	border-color: var(--rk-accent);
	color: #fff;
}

.pagination .page-numbers.dots {
	border-color: transparent;
	background: transparent;
}

/* === Einzelner Beitrag ============================================ */
.rk-single,
.rk-page {
	max-width: var(--rk-content-maxw);
}

body.has-sidebar .rk-single,
body.has-sidebar .rk-page {
	max-width: none;
}

.rk-single-header {
	margin-bottom: 26px;
}

.rk-single-header .rk-cats {
	margin-bottom: 14px;
}

.rk-single-title,
.rk-page-title {
	margin: 0 0 16px;
	font-size: clamp(1.9rem, 1.2rem + 2.4vw, 2.7rem);
	line-height: 1.15;
}

.rk-single-meta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px;
	font-size: .88rem;
	color: var(--rk-ink-soft);
}

.rk-single-meta a {
	color: var(--rk-ink);
	font-weight: 600;
}

.rk-meta-author a:hover {
	color: var(--rk-accent);
}

.rk-updated {
	color: var(--rk-accent);
	font-weight: 600;
}

.rk-featured {
	margin: 0 0 32px;
	border-radius: var(--rk-radius);
	overflow: hidden;
	background: var(--rk-bg-cool);
	box-shadow: var(--rk-shadow-sm);
}

.rk-featured img {
	width: 100%;
}

/* Artikel-Typografie */
.rk-single-content,
.rk-page-content {
	font-size: 1.075rem;
}

.rk-single-content > h2,
.rk-page-content > h2 {
	margin: 2em 0 .6em;
	font-size: 1.65rem;
	padding-top: .2em;
}

.rk-single-content > h3,
.rk-page-content > h3 {
	margin: 1.7em 0 .5em;
	font-size: 1.3rem;
}

.rk-single-content > h4 {
	margin: 1.5em 0 .4em;
	font-size: 1.1rem;
}

.rk-single-content p,
.rk-page-content p {
	margin: 0 0 1.25em;
}

.rk-single-content a,
.rk-page-content a {
	text-decoration: underline;
	text-underline-offset: 2px;
	text-decoration-thickness: 1px;
	text-decoration-color: #b9e3ef;
}

.rk-single-content a:hover,
.rk-page-content a:hover {
	text-decoration-color: var(--rk-accent);
}

.rk-single-content ul,
.rk-single-content ol,
.rk-page-content ul,
.rk-page-content ol {
	margin: 0 0 1.25em;
	padding-left: 1.4em;
}

.rk-single-content li,
.rk-page-content li {
	margin-bottom: .5em;
}

.rk-single-content img,
.rk-page-content img {
	border-radius: var(--rk-radius-sm);
}

.rk-single-content figure,
.rk-page-content figure {
	margin: 1.6em 0;
}

.rk-single-content figcaption {
	margin-top: 8px;
	font-size: .85rem;
	color: var(--rk-ink-faint);
	text-align: center;
}

.rk-single-content blockquote,
.rk-page-content blockquote {
	margin: 1.6em 0;
	padding: 4px 0 4px 22px;
	border-left: 4px solid var(--rk-accent);
	color: var(--rk-ink-soft);
	font-style: italic;
}

.rk-single-content blockquote p:last-child,
.rk-page-content blockquote p:last-child {
	margin-bottom: 0;
}

.rk-single-content code,
.rk-page-content code {
	font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
	font-size: .9em;
	background: var(--rk-bg-soft);
	padding: .12em .4em;
	border-radius: 5px;
	border: 1px solid var(--rk-line);
}

.rk-single-content pre,
.rk-page-content pre {
	margin: 1.5em 0;
	padding: 18px 20px;
	background: #0f172a;
	color: #e2e8f0;
	border-radius: var(--rk-radius-sm);
	overflow-x: auto;
}

.rk-single-content pre code,
.rk-page-content pre code {
	background: none;
	border: 0;
	padding: 0;
	color: inherit;
}

.rk-single-content table,
.rk-page-content table {
	width: 100%;
	border-collapse: collapse;
	margin: 1.6em 0;
	font-size: .95rem;
	border: 1px solid var(--rk-line);
	border-radius: var(--rk-radius-sm);
	overflow: hidden;
}

.rk-single-content th,
.rk-single-content td,
.rk-page-content th,
.rk-page-content td {
	padding: 12px 14px;
	border-bottom: 1px solid var(--rk-line);
	text-align: left;
}

.rk-single-content thead th,
.rk-page-content thead th {
	background: var(--rk-bg-cool);
	font-size: .82rem;
	letter-spacing: .02em;
	text-transform: uppercase;
	color: var(--rk-ink-soft);
}

.rk-single-content tbody tr:nth-child(even),
.rk-page-content tbody tr:nth-child(even) {
	background: var(--rk-bg-soft);
}

/* Tags + Seiten-Links */
.rk-single-footer {
	margin-top: 36px;
	padding-top: 22px;
	border-top: 1px solid var(--rk-line);
}

.rk-tags {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px;
}

.rk-tags-label {
	font-weight: 700;
	font-size: .85rem;
	color: var(--rk-ink-soft);
}

.rk-tags a {
	display: inline-block;
	padding: 4px 12px;
	font-size: .82rem;
	background: var(--rk-bg-soft);
	border: 1px solid var(--rk-line);
	border-radius: 999px;
	color: var(--rk-ink-soft);
}

.rk-tags a:hover {
	border-color: var(--rk-accent);
	color: var(--rk-accent);
	text-decoration: none;
}

.rk-page-links {
	margin: 1.5em 0;
	display: flex;
	gap: 8px;
	font-weight: 600;
}

/* === Inhaltsverzeichnis =========================================== */
.rk-toc {
	margin: 0 0 30px;
	background: var(--rk-bg-cool);
	border: 1px solid #d6ecf5;
	border-radius: var(--rk-radius-sm);
	padding: 6px 20px;
}

.rk-toc summary {
	cursor: pointer;
	list-style: none;
	padding: 12px 0;
	font-weight: 700;
	color: var(--rk-ink);
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.rk-toc summary::-webkit-details-marker {
	display: none;
}

.rk-toc summary::after {
	content: "";
	width: 9px;
	height: 9px;
	border-right: 2px solid var(--rk-accent);
	border-bottom: 2px solid var(--rk-accent);
	transform: rotate(45deg);
	transition: transform .2s ease;
}

.rk-toc[open] summary::after {
	transform: rotate(-135deg);
}

.rk-toc-title {
	font-size: .8rem;
	letter-spacing: .04em;
	text-transform: uppercase;
	color: var(--rk-ink-soft);
}

.rk-toc-list,
.rk-toc-sub {
	list-style: none;
	margin: 0;
	padding: 0 0 14px;
	counter-reset: rk-toc;
}

.rk-toc-list > li {
	counter-increment: rk-toc;
	margin: 6px 0;
}

.rk-toc-list > li > a::before {
	content: counter(rk-toc) ". ";
	color: var(--rk-accent);
	font-weight: 700;
}

.rk-toc a {
	color: var(--rk-ink-soft);
	font-size: .95rem;
}

.rk-toc a:hover {
	color: var(--rk-accent);
}

.rk-toc-sub {
	padding: 4px 0 4px 22px;
}

.rk-toc-sub li {
	margin: 4px 0;
	font-size: .9rem;
}

/* === FAQ ========================================================== */
.rk-faq {
	margin: 40px 0;
}

.rk-faq-heading {
	font-size: 1.55rem;
	margin: 0 0 18px;
}

.rk-faq-item {
	border: 1px solid var(--rk-line);
	border-radius: var(--rk-radius-sm);
	margin-bottom: 12px;
	background: #fff;
	overflow: hidden;
	transition: border-color .15s ease, box-shadow .15s ease;
}

.rk-faq-item[open] {
	border-color: #cfe9f3;
	box-shadow: var(--rk-shadow-sm);
}

.rk-faq-item summary {
	cursor: pointer;
	list-style: none;
	padding: 18px 52px 18px 20px;
	font-weight: 600;
	font-size: 1.05rem;
	color: var(--rk-ink);
	position: relative;
}

.rk-faq-item summary::-webkit-details-marker {
	display: none;
}

.rk-faq-item summary::after {
	content: "+";
	position: absolute;
	right: 20px;
	top: 50%;
	transform: translateY(-50%);
	font-size: 1.5rem;
	font-weight: 400;
	color: var(--rk-accent);
	line-height: 1;
}

.rk-faq-item[open] summary::after {
	content: "–";
}

.rk-faq-answer {
	padding: 0 20px 18px;
	color: var(--rk-ink-soft);
}

.rk-faq-answer p:last-child {
	margin-bottom: 0;
}

/* === Produktbox =================================================== */
.rk-product {
	position: relative;
	display: grid;
	grid-template-columns: 200px 1fr;
	gap: 24px;
	padding: 24px;
	margin: 32px 0;
	background: #fff;
	border: 1px solid var(--rk-line);
	border-radius: var(--rk-radius);
	box-shadow: var(--rk-shadow);
}

.rk-product-badge {
	position: absolute;
	top: 16px;
	left: 16px;
	z-index: 2;
	background: var(--rk-accent);
	color: #fff;
	font-size: .72rem;
	font-weight: 700;
	letter-spacing: .03em;
	text-transform: uppercase;
	padding: 5px 11px;
	border-radius: 999px;
}

.rk-product-media {
	display: flex;
	align-items: center;
	justify-content: center;
	background: var(--rk-bg-soft);
	border-radius: var(--rk-radius-sm);
	padding: 14px;
}

.rk-product-media img {
	max-height: 200px;
	width: auto;
	object-fit: contain;
	mix-blend-mode: multiply;
}

.rk-product-body {
	display: flex;
	flex-direction: column;
	gap: 12px;
	min-width: 0;
}

.rk-product-title {
	margin: 0;
	font-size: 1.25rem;
	line-height: 1.3;
}

.rk-product-title a {
	color: var(--rk-ink);
}

.rk-product-title a:hover {
	color: var(--rk-accent);
}

.rk-product-desc {
	color: var(--rk-ink-soft);
	font-size: .96rem;
}

.rk-product-desc p:last-child {
	margin-bottom: 0;
}

.rk-product-features {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 7px;
}

.rk-product-features li {
	position: relative;
	padding-left: 26px;
	font-size: .95rem;
	color: var(--rk-ink);
}

.rk-product-features li::before {
	content: "";
	position: absolute;
	left: 2px;
	top: .32em;
	width: 6px;
	height: 11px;
	border-right: 2.5px solid var(--rk-accent);
	border-bottom: 2.5px solid var(--rk-accent);
	transform: rotate(40deg);
}

.rk-product-foot {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 14px;
	margin-top: auto;
	padding-top: 6px;
}

.rk-product-price {
	font-size: 1.45rem;
	font-weight: 800;
	color: var(--rk-ink);
	letter-spacing: -.02em;
}

.rk-product-disclaimer {
	margin: 0;
	font-size: .74rem;
	line-height: 1.5;
	color: var(--rk-ink-faint);
}

/* Bewertungssterne */
.rk-stars {
	position: relative;
	display: inline-block;
	font-size: 1.05rem;
	line-height: 1;
	letter-spacing: 2px;
	white-space: nowrap;
}

.rk-stars-bg {
	color: #d8e0e8;
}

.rk-stars-fg {
	position: absolute;
	left: 0;
	top: 0;
	overflow: hidden;
	color: #f5a623;
	white-space: nowrap;
}

.rk-product-rating {
	display: flex;
	align-items: center;
}

/* === Buttons ====================================================== */
.rk-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	min-height: 48px;
	padding: 0 24px;
	font-family: inherit;
	font-size: 1rem;
	font-weight: 700;
	line-height: 1;
	border: 1px solid transparent;
	border-radius: 12px;
	cursor: pointer;
	text-align: center;
	transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
}

.rk-btn:hover {
	text-decoration: none;
	transform: translateY(-1px);
}

.rk-btn-amazon {
	background: var(--rk-amazon);
	color: #1a1a1a;
	box-shadow: 0 6px 16px rgba(255, 153, 0, .28);
}

.rk-btn-amazon:hover {
	background: var(--rk-amazon-dark);
	color: #1a1a1a;
	box-shadow: 0 10px 22px rgba(255, 153, 0, .34);
}

.rk-btn-ghost {
	background: #fff;
	border-color: var(--rk-line);
	color: var(--rk-ink);
}

.rk-btn-ghost:hover {
	border-color: var(--rk-accent);
	color: var(--rk-accent);
}

/* === Autorenbox =================================================== */
.rk-author-box {
	display: flex;
	gap: 22px;
	align-items: flex-start;
	margin: 40px 0;
	padding: 26px;
	background: var(--rk-bg-cool);
	border: 1px solid #d6ecf5;
	border-radius: var(--rk-radius);
}

.rk-author-avatar {
	flex: 0 0 auto;
}

.rk-author-img {
	width: 84px;
	height: 84px;
	border-radius: 50%;
	border: 3px solid #fff;
	box-shadow: var(--rk-shadow-sm);
}

.rk-author-eyebrow {
	margin: 0 0 2px;
	font-size: .74rem;
	letter-spacing: .05em;
	text-transform: uppercase;
	color: var(--rk-ink-soft);
}

.rk-author-name {
	margin: 0 0 8px;
	font-size: 1.2rem;
}

.rk-author-name a {
	color: var(--rk-ink);
}

.rk-author-name a:hover {
	color: var(--rk-accent);
}

.rk-author-bio {
	margin: 0;
	color: var(--rk-ink-soft);
	font-size: .96rem;
}

.rk-author-link {
	margin: 8px 0 0;
	font-size: .9rem;
	font-weight: 600;
}

/* === Verwandte Beiträge =========================================== */
.rk-related {
	margin: 48px 0 0;
	padding-top: 36px;
	border-top: 1px solid var(--rk-line);
}

.rk-related-title {
	font-size: 1.5rem;
	margin: 0 0 22px;
}

/* === Werbung (AdSense) ============================================ */
.rk-ad {
	margin: 30px 0;
	text-align: center;
	overflow: hidden;
}

.rk-ad-label {
	display: block;
	font-size: .68rem;
	letter-spacing: .08em;
	text-transform: uppercase;
	color: var(--rk-ink-faint);
	margin-bottom: 4px;
}

.rk-ad-incontent {
	background: var(--rk-bg-soft);
	border-radius: var(--rk-radius-sm);
	padding: 14px;
}

.rk-ad-sidebar {
	margin: 0 0 24px;
}

/* === Suchformular ================================================= */
.rk-search-form {
	display: flex;
	gap: 8px;
	max-width: 420px;
}

.rk-search-field {
	flex: 1 1 auto;
	min-width: 0;
	font-family: inherit;
	font-size: 1rem;
	padding: 12px 16px;
	border: 1px solid var(--rk-line);
	border-radius: 12px;
	background: #fff;
	color: var(--rk-ink);
	transition: border-color .15s ease, box-shadow .15s ease;
}

.rk-search-field:focus {
	outline: none;
	border-color: var(--rk-accent);
	box-shadow: 0 0 0 3px rgba(8, 145, 178, .15);
}

.rk-search-submit {
	flex: 0 0 auto;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 48px;
	height: 48px;
	border: none;
	border-radius: 12px;
	background: var(--rk-accent);
	color: #fff;
	cursor: pointer;
	transition: filter .15s ease;
}

.rk-search-submit:hover {
	filter: brightness(1.08);
}

/* === Hero (Startseite) ============================================ */
.rk-hero {
	position: relative;
	overflow: hidden;
	border-radius: 26px;
	background:
		radial-gradient(120% 120% at 100% 0%, #e0f5fb 0%, rgba(224, 245, 251, 0) 55%),
		linear-gradient(160deg, #f3fbfe 0%, #eef6fc 45%, #f7fafc 100%);
	border: 1px solid #e2eef5;
	padding: clamp(40px, 5vw, 76px) clamp(24px, 4vw, 60px);
	margin-bottom: 56px;
}

.rk-hero-inner {
	position: relative;
	z-index: 2;
	max-width: 720px;
}

.rk-hero-eyebrow {
	margin: 0 0 14px;
	display: inline-block;
	font-size: .82rem;
	font-weight: 700;
	letter-spacing: .04em;
	text-transform: uppercase;
	color: var(--rk-accent);
	background: rgba(255, 255, 255, .7);
	padding: 6px 14px;
	border-radius: 999px;
	border: 1px solid #d6ecf5;
}

.rk-hero-title {
	margin: 0 0 18px;
	font-size: clamp(2.1rem, 1.2rem + 3.6vw, 3.4rem);
	line-height: 1.08;
	letter-spacing: -.025em;
}

.rk-hero-text {
	margin: 0 0 28px;
	font-size: 1.15rem;
	color: var(--rk-ink-soft);
	max-width: 56ch;
}

.rk-hero .rk-search-form {
	max-width: 480px;
}

.rk-hero-glow {
	position: absolute;
	right: -120px;
	top: -120px;
	width: 380px;
	height: 380px;
	background: radial-gradient(circle, rgba(8, 145, 178, .16) 0%, rgba(8, 145, 178, 0) 70%);
	pointer-events: none;
	z-index: 1;
}

/* === Startseiten-Sektionen ======================================== */
.rk-front-intro {
	max-width: var(--rk-content-maxw);
	margin: 0 auto 56px;
	font-size: 1.075rem;
	color: var(--rk-ink-soft);
}

.rk-front-section {
	margin-bottom: 64px;
}

.rk-section-head {
	margin-bottom: 28px;
}

.rk-section-title {
	margin: 0;
	font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.1rem);
}

.rk-section-sub {
	margin: 6px 0 0;
	color: var(--rk-ink-soft);
}

.rk-cat-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
	gap: 18px;
}

.rk-cat-card {
	position: relative;
	display: flex;
	flex-direction: column;
	gap: 4px;
	padding: 22px 24px;
	background: #fff;
	border: 1px solid var(--rk-line);
	border-radius: var(--rk-radius);
	box-shadow: var(--rk-shadow-sm);
	transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.rk-cat-card:hover {
	transform: translateY(-3px);
	box-shadow: var(--rk-shadow);
	border-color: #cfe9f3;
	text-decoration: none;
}

.rk-cat-card-name {
	font-size: 1.15rem;
	font-weight: 700;
	color: var(--rk-ink);
}

.rk-cat-card-count {
	font-size: .85rem;
	color: var(--rk-ink-faint);
}

.rk-cat-card-arrow {
	position: absolute;
	right: 22px;
	top: 22px;
	color: var(--rk-accent);
	transition: transform .18s ease;
}

.rk-cat-card:hover .rk-cat-card-arrow {
	transform: translateX(4px);
}

.rk-front-more {
	margin-top: 36px;
	text-align: center;
}

/* === 404 / keine Ergebnisse ======================================= */
.rk-404,
.rk-no-results {
	max-width: var(--rk-content-maxw);
}

.rk-404-title,
.rk-no-results-title {
	font-size: clamp(1.8rem, 1.2rem + 2vw, 2.4rem);
	margin: 0 0 14px;
}

.rk-404 .rk-search-form,
.rk-no-results .rk-search-form {
	margin: 22px 0 32px;
}

.rk-404-recent {
	margin-top: 36px;
	padding-top: 26px;
	border-top: 1px solid var(--rk-line);
}

.rk-404-recent h2 {
	font-size: 1.2rem;
	margin: 0 0 14px;
}

.rk-404-recent ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 10px;
}

.rk-404-recent a {
	font-weight: 600;
}

/* === Sidebar / Widgets ============================================ */
.rk-sidebar .widget {
	margin-bottom: 32px;
	padding: 22px;
	background: #fff;
	border: 1px solid var(--rk-line);
	border-radius: var(--rk-radius);
}

.rk-sidebar .widget:last-child {
	margin-bottom: 0;
}

.rk-sidebar .widget-title {
	margin: 0 0 16px;
	font-size: 1.05rem;
	padding-bottom: 12px;
	border-bottom: 2px solid var(--rk-bg-cool);
}

.rk-sidebar ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

.rk-sidebar li {
	padding: 8px 0;
	border-bottom: 1px solid var(--rk-line-soft);
}

.rk-sidebar li:last-child {
	border-bottom: 0;
}

.rk-sidebar a {
	color: var(--rk-ink);
}

.rk-sidebar a:hover {
	color: var(--rk-accent);
}

.rk-sidebar .rk-ad .widget-title {
	border: 0;
	padding: 0;
}

/* === Fußzeile ===================================================== */
.rk-site-footer {
	margin-top: 40px;
	background: #0c1726;
	color: #c5d2e0;
}

.rk-footer-widgets {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 40px;
	padding-block: 56px 40px;
}

.rk-footer-col .widget-title,
.rk-footer-col h2,
.rk-footer-col h3 {
	color: #fff;
	font-size: 1.05rem;
	margin: 0 0 16px;
}

.rk-footer-col ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

.rk-footer-col li {
	padding: 6px 0;
}

.rk-footer-col a {
	color: #c5d2e0;
}

.rk-footer-col a:hover {
	color: #fff;
}

.rk-footer-bottom {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 14px;
	padding-block: 22px;
	border-top: 1px solid rgba(255, 255, 255, .1);
	font-size: .88rem;
}

.rk-footer-note {
	flex-basis: 100%;
	margin: 0 0 4px;
	color: #91a1b5;
	font-size: .82rem;
}

.rk-footer-menu {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	gap: 18px;
	margin: 0;
	padding: 0;
}

.rk-footer-menu a {
	color: #c5d2e0;
}

.rk-footer-menu a:hover {
	color: #fff;
}

.rk-copyright {
	margin: 0;
	color: #91a1b5;
}

/* === Responsiv ==================================================== */
@media (max-width: 980px) {
	.rk-layout {
		display: block;
	}

	.rk-sidebar {
		width: 100%;
		position: static;
		margin-top: 48px;
	}

	body.has-sidebar .rk-single,
	body.has-sidebar .rk-page {
		max-width: none;
	}
}

@media (max-width: 880px) {
	.rk-menu-toggle {
		display: inline-flex;
	}

	.rk-primary-nav {
		position: absolute;
		left: 0;
		right: 0;
		top: 100%;
		background: #fff;
		border-bottom: 1px solid var(--rk-line);
		box-shadow: var(--rk-shadow);
		padding: 12px var(--rk-pad);
		display: none;
	}

	.rk-primary-nav.is-open {
		display: block;
	}

	.rk-primary-nav ul {
		flex-direction: column;
		align-items: stretch;
		gap: 2px;
		max-width: var(--rk-maxw);
		margin-inline: auto;
	}

	.rk-primary-nav a {
		padding: 13px 14px;
	}

	.rk-primary-nav .sub-menu {
		position: static;
		opacity: 1;
		visibility: visible;
		transform: none;
		box-shadow: none;
		border: 0;
		border-radius: 0;
		padding: 0 0 0 16px;
		display: none;
	}

	.rk-primary-nav .is-expanded > .sub-menu {
		display: flex;
	}
}

@media (max-width: 760px) {
	body {
		font-size: 17px;
	}

	.rk-site-content {
		padding-block: 28px 48px;
	}

	.rk-product {
		grid-template-columns: 1fr;
		gap: 18px;
		padding: 20px;
	}

	.rk-product-media {
		max-width: 240px;
		margin-inline: auto;
	}

	.rk-product-foot {
		flex-direction: column;
		align-items: stretch;
	}

	.rk-product-foot .rk-btn {
		width: 100%;
	}

	.rk-author-box {
		flex-direction: column;
		gap: 16px;
		padding: 22px;
	}

	.rk-footer-widgets {
		grid-template-columns: 1fr;
		gap: 28px;
		padding-block: 40px 28px;
	}

	.rk-footer-bottom {
		flex-direction: column;
		align-items: flex-start;
	}
}

/* === Bewegung reduzieren ========================================== */
@media (prefers-reduced-motion: reduce) {
	*,
	*::before,
	*::after {
		animation-duration: .001ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: .001ms !important;
		scroll-behavior: auto !important;
	}

	.rk-card:hover,
	.rk-cat-card:hover,
	.rk-btn:hover {
		transform: none;
	}
}