/* ============================================================
   BADROH Vorher/Nachher-Slider  ·  badroh.at
   Einbau: 1× CSS + 1× JS einbinden, dann überall im HTML:

   <div class="ba-slider"
        data-vorher="img/projekt1-vorher.jpg"
        data-nachher="img/projekt1-nachher.jpg"
        data-label="Badsanierung Graz – Vorher/Nachher"></div>

   Funktioniert mit Maus, Touch und Tastatur (Pfeiltasten).
   ============================================================ */

.ba-slider {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;          /* für Hochformat-Fotos; bei Querformat: 4 / 3 */
  overflow: hidden;
  border-radius: 16px;
  background: #0d2440;
  box-shadow: 0 18px 50px -18px rgba(8, 26, 48, 0.55);
  cursor: ew-resize;
  touch-action: pan-y;          /* vertikales Scrollen am Handy bleibt möglich */
  -webkit-user-select: none;
  user-select: none;
  outline: none;
}
.ba-slider:focus-visible {
  box-shadow: 0 0 0 3px #5bbbe6, 0 18px 50px -18px rgba(8, 26, 48, 0.55);
}

.ba-slider .ba-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.ba-slider .ba-vorher-wrap {
  position: absolute;
  inset: 0;
  clip-path: inset(0 50% 0 0); /* Startposition Mitte */
  will-change: clip-path;
}
.ba-slider.ba-anim .ba-vorher-wrap,
.ba-slider.ba-anim .ba-handle {
  transition: clip-path 0.45s ease, left 0.45s ease;
}

/* Trennlinie + Griff */
.ba-slider .ba-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  margin-left: -1.5px;
  background: #fff;
  box-shadow: 0 0 16px rgba(255, 255, 255, 0.85);
  will-change: left;
}
.ba-slider .ba-knob {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(8, 26, 48, 0.45);
}
.ba-slider .ba-knob svg {
  width: 22px;
  height: 22px;
  stroke: #123055;
}

/* Badges */
.ba-slider .ba-badge {
  position: absolute;
  top: 14px;
  padding: 6px 14px;
  border-radius: 999px;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  pointer-events: none;
  transition: opacity 0.25s ease;
}
.ba-slider .ba-badge-vorher {
  left: 14px;
  background: rgba(13, 36, 64, 0.88);
  color: #f4f7fb;
}
.ba-slider .ba-badge-nachher {
  right: 14px;
  /* Markenblau statt Signalgruen - das Gruen kollidierte mit dem WhatsApp-Button */
  background: #2f9fd0;
  color: #f4f7fb;
}
.ba-slider .ba-badge.ba-hidden { opacity: 0; }

/* Hinweis-Pfeil unten (verschwindet nach erster Nutzung) */
.ba-slider .ba-hint {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(13, 36, 64, 0.85);
  color: #f4f7fb;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 500;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.ba-slider .ba-hint.ba-hidden { opacity: 0; }

@media (prefers-reduced-motion: reduce) {
  .ba-slider.ba-anim .ba-vorher-wrap,
  .ba-slider.ba-anim .ba-handle { transition: none; }
}