/* Animation Slider — index.html only */

.anim-section {
  margin-top: 6rem;
}

/* ── Slider container ──────────────────────────────────────────── */

.anim-slider {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--black-soft);
  overflow: hidden;
  border-radius: var(--radius);
  margin-bottom: 2rem;
}

/* ── Slides ────────────────────────────────────────────────────── */

.anim-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.7s var(--ease-in-out);
}

.anim-slide.active {
  opacity: 1;
  pointer-events: auto;
}

/* Subtle scale-down on entry — clips at container overflow:hidden */
.anim-slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-color: var(--black-soft);
  transform: scale(1.04);
  transition: transform 8s var(--ease-out);
}

.anim-slide.active .anim-slide-bg {
  transform: scale(1);
}

/* Gradient — heavier at bottom for title legibility */
.anim-slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(5, 6, 8, 0.92) 0%,
    rgba(5, 6, 8, 0.35) 42%,
    transparent 68%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2.25rem 2.75rem;
  transition: opacity 0.35s var(--ease-out);
}

.anim-slide-content {
  margin-bottom: 1.1rem;
}

.anim-slide-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.8vw, 2.25rem);
  font-weight: 300;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin: 0;
}

.anim-slide-desc {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--ink-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0.45rem 0 0;
}

/* Play icon — matches .play-icon from main video player */
.anim-play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  border: 1px solid rgba(232, 230, 225, 0.7);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 6, 8, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  pointer-events: none;
  z-index: 3;
  transition: border-color 0.4s var(--ease-out), background 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}

.anim-play-icon::before {
  content: "";
  position: absolute;
  inset: -8px;
  border: 1px solid rgba(232, 230, 225, 0.4);
  border-radius: 50%;
  opacity: 0;
  transform: scale(0.9);
  transition: all 0.4s var(--ease-out);
}

.anim-slide:hover .anim-play-icon {
  border-color: var(--ink);
  background: rgba(5, 6, 8, 0.72);
  transform: translate(-50%, -50%) scale(1.05);
}

.anim-slide:hover .anim-play-icon::before {
  opacity: 1;
  transform: scale(1);
}

.anim-play-icon svg {
  width: 20px;
  height: 20px;
  margin-left: 4px;
  fill: var(--ink);
  transition: transform 0.3s var(--ease-out);
}

.anim-slide:hover .anim-play-icon svg {
  transform: scale(1.1);
}

.anim-slide.playing .anim-play-icon {
  opacity: 0;
}

/* ── Embed iframe ──────────────────────────────────────────────── */

.anim-embed {
  position: absolute;
  inset: 0;
  z-index: 5;
}

.anim-embed iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

/* ── Close button ──────────────────────────────────────────────── */

.anim-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 10;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 6, 8, 0.65);
  border: 1px solid var(--ink-faint);
  color: var(--ink-muted);
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.anim-close:hover {
  background: rgba(5, 6, 8, 0.9);
  color: var(--ink);
}

/* ── Navigation arrows ─────────────────────────────────────────── */

.anim-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 6;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 6, 8, 0.45);
  border: 1px solid var(--ink-faint);
  color: var(--ink-subtle);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.anim-nav:hover {
  background: rgba(5, 6, 8, 0.8);
  color: var(--ink);
  border-color: var(--ink-subtle);
}

.anim-nav-prev { left: 1.25rem; }
.anim-nav-next { right: 1.25rem; }

/* ── Dot indicators ────────────────────────────────────────────── */

.anim-dots {
  position: absolute;
  bottom: 1.5rem;
  right: 2.75rem;
  display: flex;
  gap: 0.4rem;
  z-index: 6;
}

.anim-dot {
  width: 20px;
  height: 2px;
  padding: 0;
  background: var(--ink-subtle);
  border: 0;
  border-radius: 1px;
  cursor: pointer;
  transition: background 0.25s, width 0.25s;
}

.anim-dot.active {
  background: var(--ink);
  width: 32px;
}

/* ── Auto-advance progress bar ─────────────────────────────────── */

.anim-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--ink-ghost);
  z-index: 7;
}

.anim-progress-bar {
  height: 100%;
  background: var(--ink-subtle);
  width: 0;
}

/* ── Hide chrome while a video is playing ──────────────────────── */

.anim-slider:has(.anim-slide.playing) .anim-nav,
.anim-slider:has(.anim-slide.playing) .anim-dots,
.anim-slider:has(.anim-slide.playing) .anim-progress {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

/* ── Mobile ────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .anim-section { margin-top: 4rem; }

  .anim-slide-overlay {
    padding: 1.25rem 1.5rem;
  }

  .anim-nav {
    width: 36px;
    height: 36px;
  }

  .anim-nav-prev { left: 0.5rem; }
  .anim-nav-next { right: 0.5rem; }

  .anim-dots {
    right: 1.5rem;
    bottom: 1rem;
  }
}