/* =========================
   Slider – Komponenten-Styles
   ========================= */

/* Fallback-Variablen (falls global nicht gesetzt) */
:root{
  --logo-color: #2f6fbd;
  --logo-color-rgb: 47,111,189; /* gleiche Farbe als RGB */
}

/* Wrapper */
.photo-slider{
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 78vh;               /* passt sich dem Viewport an */
  border-radius: 14px;
  overflow: hidden;               /* keine Scrollbars im Slider */
  background: #f4f6f8;
  box-shadow: 0 8px 24px rgba(0,0,0,.12);
}

/* Viewport */
.photo-slider .slider-viewport{
  width: 100%;
  height: 100%;
}

/* Slides-Streifen */
.photo-slider .slides{
  list-style: none;
  padding: 0;
  margin: 0;
  height: 100%;
  display: flex;
  transition: transform .45s ease;
  will-change: transform;
}

/* Einzelslide */
.photo-slider .slides li{
  min-width: 100%;
  height: 100%;
  position: relative;
}

/* Bild vollständig anzeigen (Letterboxing statt Zuschnitt) */
.photo-slider .slides img{
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
  background: #e9eef3;     /* dezente Fläche bei Letterboxing */
}

/* ========== Navigation ========== */
.photo-slider .slider-nav{
  position: absolute;
  top: 50%;
  translate: 0 -50%;       /* vertikal zentriert */
  width: 56px;
  height: 56px;
  border: 0;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: transparent; /* Standard: nur Pfeil sichtbar */
  cursor: pointer;
  isolation: isolate;      /* Pseudo-Elemente unter Pfeil */
}

/* Hauptkreis (kräftig, direkt beim Hover sichtbar) */
.photo-slider .slider-nav::before{
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: rgba(var(--logo-color-rgb), .85);
  opacity: 0;
  transform: scale(.96);
  transition: opacity .18s ease, transform .18s ease;
  z-index: -1;
}

/* Äußerer, größerer transparenter Kreis mit Delay */
.photo-slider .slider-nav::after{
  content: "";
  position: absolute;
  inset: -6px; /* größerer Kreis */
  border-radius: inherit;
  background: rgba(var(--logo-color-rgb), .35);
  opacity: 0;
  transform: scale(.9);
  transition: opacity .25s ease .1s, transform .25s ease .1s;
  z-index: -2;
}

/* Hover-Effekt */
.photo-slider .slider-nav:hover::before{
  opacity: 1;
  transform: scale(1);
}

.photo-slider .slider-nav:hover::after{
  opacity: 1;
  transform: scale(1);
}

/* Pfeil-Icon: Seitenverhältnis bleibt */
.photo-slider .slider-nav img{
  height: 28px;   /* fixe Höhe */
  width: auto;    /* Breite automatisch */
  filter: brightness(0) invert(1);
  pointer-events: none;
}

/* Positionen */
.photo-slider .slider-nav.prev{ left: 16px; }
.photo-slider .slider-nav.next{ right: 16px; }

/* Linker Pfeil drehen */
.photo-slider .slider-nav.prev img{ transform: rotate(180deg); }

/* Disabled-States */
.photo-slider .slider-nav[disabled],
.photo-slider .slider-nav.is-disabled{
  opacity: .6;
  cursor: default;
}

/* Tastaturfokus */
.photo-slider .slider-nav:focus-visible{
  outline: 3px solid color-mix(in oklab, var(--logo-color) 55%, white);
  outline-offset: 2px;
}

/* Mobile */
@media (max-width: 640px){
  .photo-slider .slider-nav{ width: 48px; height: 48px; }
  .photo-slider .slider-nav img{ height: 24px; }
}