/* ============================================
   SLIDER - MARATHON SCI-FI LIGHT
   ============================================ */

.slider {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
}

.slider-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
}

.slider-slide {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  opacity: 0;
  visibility: hidden;
}
.slider-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 1;
}
.slider-slide img {
  width: 100%; height: 100%;
  object-fit: cover;
}

.slider-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1rem 1.5rem;
  background: linear-gradient(transparent, rgba(255, 255, 255, 0.95));
  color: var(--color-text);
  text-align: left;
  font-size: 0.85rem;
}

.slider-prev,
.slider-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--color-border-strong);
  color: var(--color-cyan);
  font-size: 1.5rem;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 10;
  backdrop-filter: blur(4px);
}
.slider-prev:hover,
.slider-next:hover {
  background: rgba(255, 255, 255, 0.95);
  border-color: var(--color-cyan);
  box-shadow: var(--glow-cyan);
}
.slider-prev { left: 1rem; }
.slider-next { right: 1rem; }

.slider-dots {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 10;
}
.slider-dot {
  width: 8px; height: 8px;
  border-radius: 0;
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(0, 0, 0, 0.2);
  cursor: pointer;
  transition: all 0.3s ease;
}
.slider-dot.active {
  background: var(--color-cyan);
  border-color: var(--color-cyan);
  box-shadow: var(--glow-cyan);
}