/* ==========================================================================
   chapters-slider.css — dynamic hero slider styles for societies.html
   and affinity-groups.html.
   ========================================================================== */

.chapters-hero-slider {
  position: relative;
  height: clamp(380px, 48vh, 480px);
  width: 100%;
  background: #0b0a09; /* Deep matte charcoal */
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.chapters-slides-wrap {
  width: 100%;
  height: 100%;
  position: relative;
}

.chapters-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  z-index: 1;
  /* Snappy transitions (0.35s) since the slide cycles every 1.0s */
  transition: opacity 0.35s ease-in-out, visibility 0.35s ease-in-out;
  display: flex;
  align-items: center;
}

.chapters-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

.chapters-slide__grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: center;
  height: 100%;
  padding-top: 56px;
  padding-bottom: 24px;
}

/* Slide Typography / Details */
.chapters-slide__text {
  min-width: 0;
}

.chapters-slide__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--kletu-nutmeg);
  margin-bottom: 16px;
  opacity: 0;
  transform: translateY(10px);
  transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
}

.chapters-slide.active .chapters-slide__eyebrow {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.1s;
}

.chapters-slide__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--bg-white);
  margin: 0 0 16px;
  text-wrap: balance;
  opacity: 0;
  transform: translateY(15px);
  transition: transform 0.35s var(--ease-out), opacity 0.35s var(--ease-out);
}

.chapters-slide.active .chapters-slide__title {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.15s;
}

.chapters-slide__lead {
  font-size: clamp(0.9375rem, 1.4vw, 1.0625rem);
  line-height: 1.5;
  color: #dfdbd8; /* High-contrast warm gray */
  margin: 0 0 24px;
  max-width: 600px;
  opacity: 0;
  transform: translateY(10px);
  transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
}

.chapters-slide.active .chapters-slide__lead {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.2s;
}

.chapters-slide__actions {
  opacity: 0;
  transform: translateY(10px);
  transition: transform 0.3s var(--ease-out), opacity 0.3s var(--ease-out);
}

.chapters-slide.active .chapters-slide__actions {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.25s;
}

.chapters-slide__actions .btn--ghost {
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--bg-white);
  font-size: 0.8125rem;
  padding: 8px 18px;
}

.chapters-slide__actions .btn--ghost:hover {
  background: var(--kletu-deep-red);
  border-color: var(--kletu-deep-red);
  color: var(--bg-white);
}

/* Floating Logo Rings */
.chapters-slide__media {
  display: flex;
  align-items: center;
  justify-content: center;
}

.chapters-slide__logo-ring {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 2px solid var(--kletu-nutmeg);
  background: var(--bg-white);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  transform: scale(0.9) rotate(-5deg);
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s;
}

.chapters-slide.active .chapters-slide__logo-ring {
  transform: scale(1) rotate(0deg);
  border-color: var(--kletu-nutmeg);
}

.chapters-slide__logo-ring img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.08));
}

/* Slider Pagination Indicators */
.chapters-slider-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.chapters-slider-dots .slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background 0.3s, transform 0.3s;
}

.chapters-slider-dots .slider-dot.active {
  background: var(--kletu-nutmeg);
  transform: scale(1.25);
}

/* Responsive Overrides */
@media (max-width: 768px) {
  .chapters-hero-slider {
    height: auto;
    padding-bottom: 40px;
  }
  .chapters-slide {
    position: relative;
    opacity: 1;
    visibility: visible;
    display: none;
    height: auto;
  }
  .chapters-slide.active {
    display: flex;
  }
  .chapters-slide__grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 80px;
    padding-bottom: 20px;
    text-align: center;
  }
  .chapters-slide__lead {
    margin-left: auto;
    margin-right: auto;
  }
  .chapters-slide__logo-ring {
    width: 160px;
    height: 160px;
  }
  .chapters-slide__logo-ring img {
    max-width: 100px;
    max-height: 100px;
  }
}