/* ============================================================
   TANZARCHIV – zentrales Stylesheet
   Reines CSS, kein JavaScript.
   Farbpalette und Schriften lassen sich zentral über die
   CSS-Variablen unten anpassen.
   ============================================================ */

:root {
  /* -------- Farben (gedeckt, edel) — Schema 2: Bordeaux & Altgold -------- */
  --color-bg: #f5efe9;            /* Seitenhintergrund, warmes Creme */
  --color-bg-soft: #eee2d3;       /* leichte Flächen, z. B. Hero */
  --color-surface: #fffbf6;       /* Kachel-/Kartenhintergrund */
  --color-border: #e0d3c4;        /* dezente Rahmen */

  --color-text: #2b211f;          /* Haupttext, warmes Dunkelbraun */
  --color-text-soft: #77655d;     /* Nebentext, gedämpft */
  --color-text-invert: #f6ece4;   /* Text auf dunklem Grund */

  --color-primary: #5c1f2e;       /* Bordeaux – Header, Akzente */
  --color-primary-dark: #42151f;  /* dunklere Variante, z. B. Hover */
  --color-accent: #bd9a52;        /* Altgold – Akzentfarbe */
  --color-accent-dark: #9c7d3f;

  --radius: 12px;
  --shadow-soft: 0 2px 10px rgba(66, 21, 31, 0.10);
  --shadow-hover: 0 10px 24px rgba(66, 21, 31, 0.18);

  --font-heading: Georgia, 'Iowan Old Style', 'Palatino Linotype', 'Book Antiqua', serif;
  --font-body: 'Segoe UI', system-ui, -apple-system, Helvetica, Arial, sans-serif;

  --max-width: 1140px;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* -------- Grundgerüst -------- */

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-weight: normal;
  margin: 0 0 0.4em 0;
}

a { color: inherit; }

img, svg { display: block; }

.icon {
  width: 1em;
  height: 1em;
  fill: currentColor;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

.site-header {
  background: var(--color-primary);
  color: var(--color-text-invert);
  border-bottom: 3px solid var(--color-accent);
}

.site-header .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}

.site-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  color: var(--color-text-invert);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-logo .icon { width: 1.15em; height: 1.15em; color: var(--color-accent); }

.main-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
}

.main-nav a {
  display: inline-block;
  text-decoration: none;
  color: var(--color-text-invert);
  padding: 0.5rem 1rem;
  border-radius: 999px;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  background: rgba(245, 241, 232, 0.1);
  border-color: rgba(245, 241, 232, 0.35);
}

.main-nav a[aria-current="page"] {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  font-weight: 600;
  border-color: var(--color-accent);
}

/* ============================================================
   HERO / EINSTIEG (Startseite)
   ============================================================ */

.hero {
  background: linear-gradient(180deg, var(--color-bg-soft), var(--color-bg));
  padding: 3.5rem 0 3rem 0;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 0.5rem;
}

.hero p {
  color: var(--color-text-soft);
  max-width: 46ch;
  margin: 0 auto;
  font-size: 1.05rem;
}

.hero-rule {
  width: 70px;
  height: 2px;
  background: var(--color-accent);
  margin: 1.1rem auto 1.4rem auto;
  border: none;
}

/* -------- Kategorie-Karten auf der Startseite -------- */

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  padding: 3rem 0;
}

.category-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2.2rem 1.6rem;
  text-align: center;
  color: var(--color-text);
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.category-card:hover,
.category-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-accent);
}

.category-card .eyebrow {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent-dark);
  margin-bottom: 0.6rem;
}

.category-card h2 {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.category-card p {
  color: var(--color-text-soft);
  font-size: 0.95rem;
  margin: 0;
}

/* -------- die ganze Kachel bleibt klickbar --------
   Unsichtbarer Link, der sich über die komplette Karte legt
   (z-index 1). Führt zur zugehörigen Kategorie-Seite. */

.category-stretched-link {
  position: absolute;
  inset: 0;
  z-index: 1;
}

/* -------- einzelnes Wort im Fließtext als Link --------
   z-index 2 sorgt dafür, dass dieser Link ÜBER dem unsichtbaren
   Karten-Link liegt und somit unabhängig klickbar bleibt (führt
   zu einer anderen/externen Adresse als die Karte selbst). */

.inline-link {
  position: relative;
  z-index: 2;
  color: var(--color-accent-dark);
  text-decoration: underline;
  text-decoration-color: var(--color-border);
  text-underline-offset: 2px;
}

.inline-link:hover,
.inline-link:focus-visible {
  color: var(--color-primary);
  text-decoration-color: currentColor;
}

.inline-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 3px;
}

/* ============================================================
   INHALTSBEREICH KATEGORIE-SEITEN
   ============================================================ */

.page-intro {
  padding: 2.4rem 0 1rem 0;
}

.page-intro .eyebrow {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent-dark);
  margin-bottom: 0.5rem;
}

.page-intro p {
  color: var(--color-text-soft);
  max-width: 70ch;
}

main {
  padding-bottom: 4rem;
}

/* -------- Kurse als Akkordeon (details/summary, ohne JS) -------- */

.course {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 1.1rem;
  overflow: hidden;
}

.course > summary {
  cursor: pointer;
  list-style: none;
  padding: 1.1rem 1.4rem;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--color-bg-soft);
  border-bottom: 1px solid transparent;
}

.course > summary::-webkit-details-marker { display: none; }

.course > summary::after {
  content: "\2304"; /* dezenter Pfeil nach unten */
  font-size: 1.1rem;
  color: var(--color-accent);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.course[open] > summary {
  border-bottom-color: var(--color-border);
}

.course[open] > summary::after {
  transform: rotate(180deg);
}

.course > summary:hover,
.course > summary:focus-visible {
  background: #e6ddc9;
}

.course-body {
  padding: 1.4rem;
}

.course-count {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-soft);
  font-weight: normal;
  margin-left: auto;
}

/* ============================================================
   KACHELN (die vier Typen)
   ============================================================ */

.tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 1.1rem;
  align-items: stretch;
}

.tile {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.1rem 1.1rem 1rem 1.1rem;
  text-decoration: none;
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  box-shadow: var(--shadow-soft);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

a.tile:hover,
a.tile:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-accent);
}

.tile-tag {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-soft);
  margin-bottom: 0.3rem;
}

.tile-icon {
  width: 26px;
  height: 26px;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.tile-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-primary);
}

.tile-figure {
  font-size: 0.92rem;
  color: var(--color-text);
}

.tile-figure-part {
  font-size: 0.6rem;
  color: var(--color-text);
}

.tile-date {
  margin-top: auto;
  padding-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-text-soft);
}

.tile-desc {
  font-size: 0.92rem;
  color: var(--color-text);
}

/* -------- Badge "Privat" (kleines Schloss-Symbol) -------- */

.tile-private .tile-icon { color: var(--color-primary); }

.private-badge {
  position: absolute;
  top: 0.9rem;
  right: 0.9rem;
  width: 15px;
  height: 15px;
  color: var(--color-accent-dark);
}

/* -------- Externe Video-Kachel -------- */

.tile-external-video .tile-icon { color: var(--color-accent-dark); }

.external-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.78rem;
  color: var(--color-accent-dark);
}

.external-mark::after {
  content: "\2197"; /* dezenter Pfeil = externer Link */
  font-size: 0.85rem;
}

/* -------- Externe Audio-Kachel (groesser) -------- */

.tile-audio {
  grid-column: span 2;
  padding: 1.3rem 1.4rem 1.2rem 1.4rem;
}

.tile-audio .tile-icon { color: var(--color-accent-dark); width: 30px; height: 30px; }

.audio-list {
  list-style: none;
  margin: 0.4rem 0 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.audio-list li {
  border-top: 1px dashed var(--color-border);
  padding-top: 0.35rem;
}

.audio-list li:first-child {
  border-top: none;
  padding-top: 0;
}

.audio-list a {
  text-decoration: none;
  font-size: 0.92rem;
  color: var(--color-text);
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
}

.audio-list a:hover,
.audio-list a:focus-visible {
  color: var(--color-accent-dark);
  text-decoration: underline;
}

.audio-list a::after {
  content: "\2197";
  font-size: 0.75rem;
  color: var(--color-accent-dark);
}

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

.site-footer {
  background: var(--color-primary-dark);
  color: var(--color-text-invert);
  text-align: center;
  padding: 1.6rem 0;
  font-size: 0.85rem;
}

.site-footer a { color: var(--color-text-invert); text-decoration: underline; }

/* ============================================================
   RESPONSIVE ANPASSUNGEN
   ============================================================ */

@media (max-width: 640px) {
  .site-header .container { flex-direction: column; align-items: flex-start; }
  .main-nav ul { justify-content: flex-start; }
  .course > summary { font-size: 1.1rem; padding: 0.9rem 1.1rem; }
  .course-body { padding: 1rem; }
  .tile-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 0.8rem; }
  .tile-audio { grid-column: 1 / -1; }
  .hero { padding: 2.4rem 0 2rem 0; }
}

@media (min-width: 641px) and (max-width: 900px) {
  .tile-audio { grid-column: span 2; }
}