/* =========================================================
   /reifen/-Page — Listen-Showroom für Produkte
   (Reifen + Felgen + Kompletträder, gemeinsame produkte-Collection)

   Layout:
     1. Filter-Bar oben (3 Filter-Groups: Typ / Zoll / Saison)
     2. Card-Grid (4 Cols Desktop → 3 → 2 → 1 Mobile)
     3. Empty-State (sichtbar wenn alle Cards via Filter ausgeblendet)

   Datenquelle: src/_data/produkte.js → produkte.verfuegbar
   Filter-Logik: src/assets/js/reifen.js (kein Page-Reload)
   ========================================================= */

/* ---------- FILTER-BAR ---------- */
.reifen-filter {
  background: var(--surface-dark-anchor);
  border: 1px solid var(--border-hairline-dark);
  border-radius: 14px;
  padding: 16px 20px;
  margin-bottom: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
}

.reifen-filter-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.reifen-filter-group[hidden] { display: none; }

.reifen-filter-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--gy);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-right: 4px;
}

.reifen-filter-btn {
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 600;
  background: transparent;
  color: var(--gy);
  border: 1px solid var(--border-hairline-dark);
  border-radius: 8px;
  cursor: pointer;
  transition: color .2s, border-color .2s, background .2s;
  font-family: inherit;
}

.reifen-filter-btn:hover {
  color: #fff;
  border-color: var(--gy);
}

.reifen-filter-btn.is-active {
  color: #fff;
  background: var(--red);
  border-color: var(--red);
}

/* ---------- CARD-GRID ---------- */
.reifen-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

@media (max-width: 1100px) {
  .reifen-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 800px) {
  .reifen-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .reifen-grid { grid-template-columns: 1fr; }
}

/* ---------- CARD ---------- */
.reifen-card {
  display: flex;
  flex-direction: column;
  background: var(--surface-dark-anchor);
  border: 1px solid var(--border-hairline-dark);
  border-radius: 16px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform .25s, border-color .25s, box-shadow .25s;
}

.reifen-card:hover {
  transform: translateY(-4px);
  border-color: rgba(232, 32, 40, 0.4);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.reifen-card[hidden] { display: none; }

.reifen-card-img {
  aspect-ratio: 4 / 3;
  background: var(--surface-dark-card);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.reifen-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.reifen-card-img-placeholder {
  color: var(--text);
  width: 60%;
  height: 60%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.reifen-card-img-placeholder svg {
  width: 100%;
  height: 100%;
}

.reifen-card-body {
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.reifen-card-title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.35;
  margin: 0;
  color: #fff;
}

.reifen-card-spec {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  font-family: monospace;
  background: var(--surface-dark-card);
  color: #ddd;
  border-radius: 6px;
  letter-spacing: .3px;
}

.reifen-card-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.reifen-card-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--surface-dark-card);
  color: var(--gy);
  letter-spacing: .3px;
}

/* Saison-Badges mit dezenten Farb-Akzenten zur visuellen Unterscheidung */
.reifen-card-badge--saison-sommer  { background: rgba(255, 165, 0, 0.13);   color: #f4a022; }
.reifen-card-badge--saison-winter  { background: rgba(120, 180, 255, 0.13); color: #6ba8e0; }
.reifen-card-badge--saison-ganzjahr { background: rgba(120, 200, 140, 0.13); color: #6dbf85; }

/* Zustand: Neu mit ACI-Rot-Akzent (subtil), Gebraucht neutral grau */
.reifen-card-badge--zustand-neu {
  background: rgba(232, 32, 40, 0.08);
  color: var(--red);
  border: 1px solid rgba(232, 32, 40, 0.25);
  padding: 2px 7px; /* -1px wegen border */
}

.reifen-card-price {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  margin-top: auto; /* schiebt Preis nach unten, gleich-aligned über alle Cards */
  padding-top: 4px;
}

/* ---------- EMPTY-STATE (alle Cards via Filter ausgeblendet) ---------- */
.reifen-empty {
  text-align: center;
  padding: var(--space-section-y) var(--space-gutter); /* war 80px 24px */
  color: var(--gy);
  font-size: 15px;
}

/* =========================================================
   DETAIL-PAGE-STYLES (/reifen/{slug}/)
   Hero (Bild + Info-Spalte) → Galerie-Thumbnails → Specs-Tabelle
   → Beschreibung → CTA-Block (WhatsApp + Phone + Email)
   ========================================================= */

/* Dunkler Foto-Scrim wie auf /fahrzeuge/, /reifen/ und der Fahrzeug-
   Detailseite (User-Entscheidung: derselbe Hintergrund wie auf den
   Fahrzeugseiten) -- vorher hatte .reifen-detail GAR keinen Scrim, das
   Hintergrundfoto blieb hinter dem generischen hellen Aufhell-Schleier
   praktisch unsichtbar und die beiden opaken --surface-dark-anchor-Boxen
   (Spezifikationen, CTA) wirkten wie fremde schwarze Kacheln auf sonst
   leerem Grund. Mechanik 1:1 aus .vdetail::before (fahrzeuge.css) uebernommen. */
.reifen-detail {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 40px 24px 0;
  position: relative;
}
.reifen-detail::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 100vw;
  transform: translateX(-50%);
  z-index: -1;
  background:
    radial-gradient(ellipse 90% 70% at 50% 0%, rgba(255, 255, 255, .035), transparent 72%),
    var(--scrim-photo);
}
.reifen-detail > * { position: relative; }

/* "Karten" auf der Reifen-Detailseite leicht transluzent statt voll deckend
   (User-Feedback, analog Fahrzeug-Detailseite: "die Cards dementsprechend
   transparenter") -- Blur haelt Specs/Preis/CTA-Text trotzdem lesbar,
   waehrend das Foto durch die Flaechen hindurch erkennbar bleibt. Ein
   gemeinsamer Selector fuer alle betroffenen Klassen statt N Einzel-
   Overrides. Fallback ohne backdrop-filter faellt auf nahezu deckend
   zurueck (Lesbarkeit geht vor Foto-Durchsicht). */
.page--reifen-detail .reifen-detail-hero-img,
.page--reifen-detail .reifen-detail-spec-large,
.page--reifen-detail .reifen-detail-thumb,
.page--reifen-detail .reifen-detail-specs-row,
.page--reifen-detail .reifen-detail-cta-sec {
  background: rgba(16, 18, 22, .55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .page--reifen-detail .reifen-detail-hero-img,
  .page--reifen-detail .reifen-detail-spec-large,
  .page--reifen-detail .reifen-detail-thumb,
  .page--reifen-detail .reifen-detail-specs-row,
  .page--reifen-detail .reifen-detail-cta-sec {
    background: rgba(16, 18, 22, .92);
  }
}

/* Breadcrumb sitzt jetzt IM .page-hero-Scrim (siehe produkt.njk) -- helle
   statt dunkle Textfarbe, sonst auf dem dunklen Verlauf unlesbar. */
.reifen-detail-breadcrumb {
  margin-bottom: 24px;
  font-size: 14px;
}
.reifen-detail-breadcrumb a {
  color: var(--text-on-dark-muted, rgba(255,255,255,.7));
  text-decoration: none;
  transition: color .2s;
}
.reifen-detail-breadcrumb a:hover { color: var(--red); }

/* ---------- HERO (Split-Layout) ---------- */
.reifen-detail-hero-in {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: start;
}

@media (max-width: 800px) {
  .reifen-detail-hero-in { grid-template-columns: 1fr; gap: 24px; }
}

.reifen-detail-hero-img {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--surface-dark-anchor);
  border: 1px solid var(--border-hairline-dark);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Angebotsnummer-Badge oben links (Card + Detail-Hero, Sprint 11) */
.reifen-id-badge {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  padding: 4px 10px;
  background: var(--accent-red);
  color: #fff;
  font-size: 12px; font-weight: 700; letter-spacing: .2px;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, .18);
}
.reifen-detail-hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.reifen-detail-hero-placeholder {
  color: var(--text);
  width: 50%;
  height: 50%;
}
.reifen-detail-hero-placeholder svg { width: 100%; height: 100%; }

.reifen-detail-hero-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 8px;
}

.reifen-detail-eyebrow {
  font-size: 12px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.reifen-detail-title {
  font-family: var(--font-heading);
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 700;
  line-height: 1.2;
  margin: 0;
  color: #fff;
}

.reifen-detail-spec-large {
  display: inline-block;
  align-self: flex-start;
  padding: 8px 16px;
  font-size: 16px;
  font-weight: 600;
  font-family: monospace;
  background: var(--surface-dark-anchor);
  border: 1px solid var(--border-hairline-dark);
  color: #fff;
  border-radius: 8px;
  letter-spacing: .5px;
}
.reifen-detail-spec-sep { color: var(--gy); margin: 0 4px; }

.reifen-detail-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.reifen-detail-price {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: var(--red);
  margin-top: 8px;
}

/* ---------- SECTION-HEADERS innerhalb des Detail-Articles ---------- */
.reifen-detail-section-h {
  font-family: var(--font-heading);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  margin: 0 0 24px;
  color: #fff;
}

/* ---------- GALERIE-THUMBNAILS ---------- */
.reifen-detail-gallery {
  margin-bottom: 48px;
}
.reifen-detail-thumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.reifen-detail-thumb {
  width: 96px;
  height: 72px;
  padding: 0;
  border: 2px solid var(--border-hairline-dark);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  background: var(--surface-dark-anchor);
  transition: border-color .2s;
}
.reifen-detail-thumb:hover { border-color: var(--gy); }
.reifen-detail-thumb.is-active { border-color: var(--red); }
.reifen-detail-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- SPEZIFIKATIONEN (DL-Tabelle, Pattern aus Über-Uns-Öffnungszeiten) ---------- */
.reifen-detail-specs-sec {
  margin-bottom: 48px;
}
.reifen-detail-specs-group {
  margin-bottom: 24px;
}
.reifen-detail-specs-group:last-child { margin-bottom: 0; }

.reifen-detail-specs-h {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 12px;
  color: #fff;
}

.reifen-detail-specs {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid var(--border-hairline-dark);
  border-radius: 12px;
  overflow: hidden;
}
@media (max-width: 600px) {
  .reifen-detail-specs { grid-template-columns: 1fr; }
}

.reifen-detail-specs-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-hairline-dark);
  background: var(--surface-dark-anchor);
}
.reifen-detail-specs-row dt {
  font-size: 13px;
  font-weight: 600;
  color: var(--gy);
}
.reifen-detail-specs-row dd {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}

/* ---------- BESCHREIBUNG (Markdown-Body) ---------- */
.reifen-detail-desc-sec {
  margin-bottom: 48px;
}
.reifen-detail-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--gy);
  max-width: 720px;
}
.reifen-detail-desc p { margin: 0 0 1em; }
.reifen-detail-desc p:last-child { margin-bottom: 0; }
.reifen-detail-desc strong { color: #fff; }
.reifen-detail-desc ul, .reifen-detail-desc ol { padding-left: 24px; margin: 0 0 1em; }
.reifen-detail-desc li { margin-bottom: 0.4em; }

/* ---------- CTA-BLOCK (WhatsApp + Phone + Email) ---------- */
.reifen-detail-cta-sec {
  background: var(--surface-dark-anchor);
  border: 1px solid var(--border-hairline-dark);
  border-radius: 16px;
  padding: 40px;
  margin-bottom: 80px;
}
.reifen-detail-cta-lead {
  color: var(--gy);
  font-size: 15px;
  line-height: 1.6;
  margin: -12px 0 24px;
  max-width: 600px;
}
.reifen-detail-cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.reifen-detail-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--red);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 12px;
  transition: transform .2s, box-shadow .2s;
  box-shadow: 0 4px 16px rgba(232, 32, 40, 0.2);
}
.reifen-detail-cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 32, 40, 0.35);
}

.reifen-detail-cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  background: transparent;
  color: var(--gy);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--border-hairline-dark);
  border-radius: 10px;
  transition: color .2s, border-color .2s;
}
.reifen-detail-cta-secondary:hover {
  color: #fff;
  border-color: var(--gy);
}