/* ==========================================================================
   KSR Seitenlayout – Frontend
   Schlank, kantig (3px Radius), Farben über CSS-Variablen.
   Wenn das Theme die Variablen bereits setzt, kann der :root-Block entfallen.
   ========================================================================== */

:root {
	--ksr-primary: #213d67;
	--ksr-secondary: #333333;
	--ksr-accent: #be1522;
	--ksr-tertiary: #f2f2f2;
	--ksr-text: #333333;
	--ksr-heading: #333333;
	--ksr-border: #d8dede;
	--ksr-surface: #f2f2f2;
	--ksr-white: #fff;
	--ksr-blue: var(--ksr-primary);
	--ksr-blue-dark: #172f52;
	--ksr-cyan: var(--ksr-accent);
	--ksr-red: var(--ksr-accent);
	--ksr-muted: #575756;
	--ksr-max: 1320px;
	--ksr-shadow: 0 4px 40px rgba(33, 61, 103, 0.11);

	--ksr-radius: 3px;
	--ksr-gap: clamp(24px, 3vw, 48px);
	--ksr-aside-w: 300px;
}

.ksr-layout {
	color: var(--ksr-text);
	line-height: 1.7;
}
.ksr-layout *,
.ksr-layout *::before,
.ksr-layout *::after { box-sizing: border-box; }

.ksr-wrap {
	width: 100%;
	max-width: var(--ksr-max);
	margin-inline: auto;
	padding-inline: clamp(16px, 4vw, 40px);
}

.ksr-sr-only {
	position: absolute !important;
	width: 1px; height: 1px;
	margin: -1px; padding: 0;
	overflow: hidden;
	clip: rect(0 0 0 0);
	white-space: nowrap;
	border: 0;
}

.ksr-layout a:focus-visible,
.ksr-layout button:focus-visible,
.ksr-slider__track:focus-visible {
	outline: 2px solid var(--ksr-accent);
	outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   Header
   ----------------------------------------------------------------------- */

.ksr-hero {
	position: relative;
	display: flex;
	min-height: var(--ksr-hero-h, 250px);
	isolation: isolate;
	overflow: hidden;
}

.ksr-hero--plain { background: var(--ksr-surface); }
.ksr-hero--image { background: var(--ksr-blue-dark); color: var(--ksr-white); }

.ksr-hero__media { position: absolute; inset: 0; z-index: -2; }
.ksr-hero__img { display: block; width: 100%; height: 100%; }

.ksr-hero--image::after {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	background: linear-gradient(to top, var(--ksr-blue-dark) 0%, rgba(23, 47, 82, .55) 45%, rgba(23, 47, 82, 0) 85%);
	opacity: var(--ksr-hero-overlay, .45);
	pointer-events: none;
}

.ksr-hero__inner {
	display: flex;
	flex-direction: column;
	padding-block: clamp(28px, 4vw, 56px);
}

.ksr-hero--valign-top    .ksr-hero__inner { justify-content: flex-start; }
.ksr-hero--valign-center .ksr-hero__inner { justify-content: center; }
.ksr-hero--valign-bottom .ksr-hero__inner { justify-content: flex-end; }
.ksr-hero--plain.ksr-hero--valign-bottom .ksr-hero__inner { justify-content: center; }

.ksr-hero--align-left   .ksr-hero__inner { align-items: flex-start; text-align: left; }
.ksr-hero--align-center .ksr-hero__inner { align-items: center;     text-align: center; }
.ksr-hero--align-right  .ksr-hero__inner { align-items: flex-end;   text-align: right; }

.ksr-hero__title {
	margin: 0;
	max-width: 22ch;
	font-size: clamp(30px, 4.4vw, 54px);
	font-weight: 400;
	line-height: 1.12;
	letter-spacing: -.01em;
	color: var(--ksr-heading);
	text-wrap: balance;
}
.ksr-hero--image .ksr-hero__title { color: var(--ksr-white); }

/* Die rote Linie aus dem Designsystem – einziges Akzent-Element im Header */
.ksr-hero__title::after {
	content: "";
	display: block;
	width: 72px;
	height: 2px;
	margin-top: 20px;
	background: var(--ksr-accent);
}
.ksr-hero--align-center .ksr-hero__title::after { margin-inline: auto; }
.ksr-hero--align-right  .ksr-hero__title::after { margin-left: auto; }

.ksr-hero__date {
	margin: 0 0 10px;
	font-size: 15px;
	color: var(--ksr-muted);
}
.ksr-hero--image .ksr-hero__date { color: rgba(255, 255, 255, .85); }

/* --------------------------------------------------------------------------
   Grundraster
   ----------------------------------------------------------------------- */

.ksr-body {
	display: grid;
	grid-template-columns: minmax(0, 1fr);
	gap: var(--ksr-gap);
	padding-block: clamp(36px, 5vw, 72px);
}

.ksr-aside { order: 2; display: flex; flex-direction: column; gap: 28px; }
.ksr-main  { order: 1; min-width: 0; }

@media (min-width: 960px) {
	.has-aside .ksr-body { grid-template-columns: var(--ksr-aside-w) minmax(0, 1fr); }
	.ksr-aside { order: 0; align-self: start; }
	.ksr-main  { order: 0; }
}

/* --------------------------------------------------------------------------
   Sidebars
   ----------------------------------------------------------------------- */

.ksr-box { margin: 0; }

.ksr-box__title {
	margin: 0 0 8px;
	padding: 12px 16px;
	background: var(--ksr-primary);
	color: var(--ksr-white);
	font-size: 16px;
	font-weight: 600;
	line-height: 1.35;
	text-align: center;
	border-radius: var(--ksr-radius);
}

.ksr-side-list,
.ksr-side-list ul {
	list-style: none;
	margin: 0;
	padding: 0;
}
.ksr-side-list { display: flex; flex-direction: column; gap: 6px; }
.ksr-side-list ul { display: flex; flex-direction: column; gap: 6px; margin-top: 6px; }

.ksr-side-list a,
.ksr-side-text {
	display: flex;
	align-items: baseline;
	gap: 10px;
	padding: 9px 14px;
	border: 1px solid var(--ksr-border);
	border-radius: var(--ksr-radius);
	background: var(--ksr-white);
	color: var(--ksr-text);
	font-size: 15px;
	line-height: 1.45;
	text-align: left;
	text-decoration: none;
	transition: border-color .15s ease, color .15s ease, box-shadow .15s ease;
}
.ksr-side-label { flex: 1; min-width: 0; overflow-wrap: anywhere; }

.ksr-side-list a:hover {
	border-color: var(--ksr-primary);
	color: var(--ksr-primary);
}

/* Aktive Seite: roter Strich links, sonst unverändert ruhig */
.ksr-side-item.is-current > a,
.ksr-side-list .current-menu-item > a,
.ksr-side-list .current_page_item > a {
	border-color: var(--ksr-primary);
	box-shadow: inset 3px 0 0 var(--ksr-accent);
	color: var(--ksr-primary);
	font-weight: 600;
}

.ksr-side-item.is-sub > a,
.ksr-side-item.is-sub > .ksr-side-text,
.ksr-side-list .sub-menu a { margin-left: 16px; font-size: 14px; }
.ksr-side-list .sub-menu .sub-menu a { margin-left: 32px; }

.ksr-side-item.is-text > .ksr-side-text {
	border-color: transparent;
	background: transparent;
	padding-inline: 2px;
	font-weight: 600;
	color: var(--ksr-primary);
}

.ksr-ext {
	flex: none;
	padding: 1px 6px;
	border: 1px solid var(--ksr-border);
	border-radius: var(--ksr-radius);
	font-size: 11px;
	font-weight: 600;
	color: var(--ksr-muted);
	letter-spacing: .02em;
}
.ksr-side-list a:hover .ksr-ext { border-color: currentColor; color: inherit; }

.ksr-side-sub {
	margin: 16px 0 6px;
	font-size: 14px;
	font-weight: 600;
	color: var(--ksr-primary);
}

.ksr-side-list--recent a { flex-direction: column; gap: 2px; }
.ksr-side-date { font-size: 12px; color: var(--ksr-muted); }

/* --------------------------------------------------------------------------
   Inhalt
   ----------------------------------------------------------------------- */

.ksr-content > :first-child { margin-top: 0; }
.ksr-content > :last-child { margin-bottom: 0; }
.ksr-content img { max-width: 100%; height: auto; }
.ksr-content a { color: var(--ksr-primary); }
.ksr-content h2, .ksr-content h3, .ksr-content h4 { color: var(--ksr-heading); font-weight: 400; line-height: 1.25; }

/* --------------------------------------------------------------------------
   Beitragslisten
   ----------------------------------------------------------------------- */

.ksr-posts {
	margin-top: clamp(40px, 5vw, 64px);
	padding: clamp(28px, 3.5vw, 48px) clamp(18px, 3vw, 40px);
	background: var(--ksr-surface);
	border-radius: var(--ksr-radius);
	container-type: inline-size;
	--g: clamp(16px, 2.2vw, 32px);
}

.ksr-section-head { text-align: center; margin-bottom: clamp(24px, 3vw, 40px); }

.ksr-section-title {
	margin: 0;
	font-size: clamp(26px, 3vw, 38px);
	font-weight: 400;
	line-height: 1.2;
	color: var(--ksr-heading);
}
.ksr-section-title::after {
	content: "";
	display: block;
	width: min(455px, 70%);
	height: 2px;
	margin: 22px auto 0;
	background: var(--ksr-accent);
}

/* Karte – orientiert an den Themen-Kacheln */
.ksr-card {
	display: flex;
	flex-direction: column;
	height: 100%;
	padding: clamp(24px, 3cqi, 40px);
	background: var(--ksr-white);
	box-shadow: var(--ksr-shadow);
	border-radius: var(--ksr-radius);
}
.ksr-card__body { flex: 1; }

.ksr-card__date {
	display: block;
	margin-bottom: 10px;
	font-size: 14px;
	color: var(--ksr-muted);
}

.ksr-card__title {
	margin: 0 0 12px;
	font-size: clamp(20px, 2.2cqi + 12px, 25px);
	font-weight: 400;
	line-height: 1.3;
	color: var(--ksr-heading);
}
.ksr-card__title a { color: inherit; text-decoration: none; }
.ksr-card__title a:hover { color: var(--ksr-primary); }

.ksr-card__excerpt {
	margin: 0;
	font-size: 16px;
	line-height: 1.95;
	color: var(--ksr-text);
}

.ksr-card__foot { margin-top: 24px; }

.ksr-btn {
	display: block;
	width: 100%;
	padding: 10px 16px;
	background: var(--ksr-primary);
	color: var(--ksr-white);
	font-size: 14px;
	line-height: 1.4;
	text-align: center;
	text-decoration: none;
	border-radius: var(--ksr-radius);
	transition: background-color .15s ease;
}
.ksr-btn:hover,
.ksr-btn:focus-visible { background: var(--ksr-blue-dark); color: var(--ksr-white); }

/* Raster */
.ksr-cards {
	display: grid;
	gap: var(--g);
	grid-template-columns: repeat(auto-fill, minmax(min(100%, 250px), 1fr));
}

/* Slider */
.ksr-slider { position: relative; }

.ksr-slider__track {
	display: grid;
	grid-auto-flow: column;
	grid-auto-columns: calc((100% - 2 * var(--g)) / 3);
	gap: var(--g);
	overflow-x: auto;
	overscroll-behavior-x: contain;
	scroll-snap-type: x mandatory;
	scroll-behavior: smooth;
	scrollbar-width: none;
	/* Platz für den Schatten, ohne dass er abgeschnitten wird */
	padding: 12px 12px 32px;
	margin: -12px -12px -20px;
}
.ksr-slider__track::-webkit-scrollbar { display: none; }
.ksr-slider__track > .ksr-card { scroll-snap-align: start; }

@container (max-width: 780px) {
	.ksr-slider__track { grid-auto-columns: calc((100% - var(--g)) / 2); }
}
@container (max-width: 500px) {
	.ksr-slider__track { grid-auto-columns: 86%; }
}

.ksr-slider__nav {
	display: flex;
	justify-content: flex-end;
	gap: 8px;
	margin-top: 20px;
}
.ksr-slider.is-static .ksr-slider__nav { display: none; }

.ksr-slider__btn {
	display: inline-grid;
	place-items: center;
	width: 40px;
	height: 40px;
	padding: 0;
	border: 1px solid var(--ksr-border);
	border-radius: var(--ksr-radius);
	background: var(--ksr-white);
	color: var(--ksr-primary);
	cursor: pointer;
	transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.ksr-slider__btn:hover:not(:disabled) {
	background: var(--ksr-primary);
	border-color: var(--ksr-primary);
	color: var(--ksr-white);
}
.ksr-slider__btn:disabled { opacity: .4; cursor: default; }

/* --------------------------------------------------------------------------
   Mobil & Bewegung
   ----------------------------------------------------------------------- */

@media (max-width: 720px) {
	.ksr-hero { min-height: max(180px, calc(var(--ksr-hero-h, 250px) * .65)); }
}

@media (prefers-reduced-motion: reduce) {
	.ksr-slider__track { scroll-behavior: auto; }
	.ksr-layout * { transition: none !important; }
}