/* =============================================================
   ENVIOUS LANDSCAPING — components/slider.css
   Before/After draggable image comparison slider
   ============================================================= */

/* ── Slider Section Wrapper ── */
.slider-section {
  background: var(--color-primary);
  position: relative;
  overflow: hidden;
}

.slider-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-accent),
    transparent
  );
}

/* ── Container ── */
.before-after-container {
  position: relative;
  width: 100%;
  max-width: 920px;
  margin-inline: auto;
  user-select: none;
}

/* ── Slider Track ── */
[data-slider] {
  position: relative;
  width: 100%;
  overflow: hidden;
  cursor: col-resize;
  /* Aspect ratio — overridden by JS for real images */
  aspect-ratio: 16 / 9;
  background: var(--color-secondary);
  border: 1px solid rgba(198, 168, 125, 0.34);
  box-shadow:
    0 24px 80px rgba(0, 0, 0, 0.28),
    inset 0 0 0 1px rgba(248, 250, 252, 0.04);
  touch-action: none; /* Prevent page scroll during drag */
}

[data-slider]::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 4;
  background:
    linear-gradient(180deg, rgba(2, 6, 23, 0.08), transparent 42%, rgba(2, 6, 23, 0.38)),
    linear-gradient(90deg, rgba(2, 6, 23, 0.28), transparent 50%, rgba(2, 6, 23, 0.18));
  pointer-events: none;
}

/* ── Image Layers ── */
[data-after-image],
[data-before-image] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 54%;
  pointer-events: none;
  display: block;
  filter: saturate(0.78) contrast(1.04);
}

[data-after-image] {
  z-index: 1;
}

[data-before-image] {
  z-index: 2;
  /* Clip is set dynamically via JS inline width */
  clip-path: inset(0 50% 0 0);
  transition: clip-path 0s; /* No transition — JS handles smoothness */
}

/* ── Divider Line ── */
.slider__divider {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: var(--color-accent);
  z-index: 10;
  pointer-events: none;
  box-shadow:
    0 0 12px rgba(198, 168, 125, 0.6),
    0 0 32px rgba(198, 168, 125, 0.2);
}

/* ── Drag Handle ── */
.slider__handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(198, 168, 125, 0.96);
  border: 2px solid rgba(248, 250, 252, 0.9);
  z-index: 11;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease;
  pointer-events: none;
  cursor: col-resize;
}

.slider__handle:hover,
[data-slider]:active .slider__handle {
  transform: translate(-50%, -50%) scale(1.12);
  box-shadow: var(--shadow-xl), var(--shadow-glow-strong);
}

/* ── Handle Arrows ── */
.slider__handle-arrows {
  display: flex;
  align-items: center;
  gap: 4px;
}

.slider__handle-arrow {
  width: 0;
  height: 0;
  border-style: solid;
}

.slider__handle-arrow--left {
  border-width: 6px 8px 6px 0;
  border-color: transparent var(--color-bg) transparent transparent;
}

.slider__handle-arrow--right {
  border-width: 6px 0 6px 8px;
  border-color: transparent transparent transparent var(--color-bg);
}

/* ── Labels ── */
.slider__label {
  position: absolute;
  top: var(--space-4);
  z-index: 12;
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.slider__label--before {
  left: var(--space-4);
  color: var(--color-text);
  background: rgba(2, 6, 23, 0.78);
  border: 1px solid rgba(198, 168, 125, 0.28);
  backdrop-filter: blur(12px);
}

.slider__label--after {
  right: var(--space-4);
  color: var(--color-accent);
  background: rgba(2, 6, 23, 0.78);
  border: 1px solid rgba(198, 168, 125, 0.48);
  backdrop-filter: blur(12px);
}

/* ── Percentage Overlay ── */
.slider__percentage {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  z-index: 12;
  font-family: var(--font-body);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(2, 6, 23, 0.8);
  border: 1px solid var(--color-border);
  padding: var(--space-1) var(--space-4);
  pointer-events: none;
  white-space: nowrap;
  transition: opacity var(--transition-base);
}

/* ── Placeholder State (no real images) ── */
.slider__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-4);
  z-index: 0;
}

.slider__placeholder-half {
  position: absolute;
  top: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-3);
}

.slider__placeholder-half--before {
  left: 0;
  width: 50%;
  background: linear-gradient(135deg, #0d1a2d 0%, #1a2d4a 100%);
}

.slider__placeholder-half--after {
  right: 0;
  width: 50%;
  background: linear-gradient(135deg, #1a2d1a 0%, #2d4a2d 100%);
}

.slider__placeholder-label {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 300;
  color: rgba(248, 250, 252, 0.25);
  letter-spacing: var(--tracking-wide);
}

.slider__placeholder-sub {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: rgba(248, 250, 252, 0.15);
}

/* ── Gallery Row (Multiple Sliders) ── */
.slider-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-12);
}

.slider-gallery [data-slider] {
  aspect-ratio: 4 / 3;
}

/* ── Caption ── */
.slider__caption {
  margin-top: var(--space-4);
  text-align: center;
}

.slider__caption-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.slider__caption-sub {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-muted);
}

/* ── Drag Instruction Badge ── */
.slider__instruction {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-subtle);
}

.slider__instruction-icon {
  font-style: normal;
  font-size: 1rem;
  line-height: 1;
}

/* ── Loading State ── */
[data-slider].is-loading::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--color-secondary);
  z-index: 20;
}

/* ── Active Drag State ── */
[data-slider].is-dragging {
  cursor: grabbing;
}

[data-slider].is-dragging .slider__handle {
  transform: translate(-50%, -50%) scale(1.15);
  box-shadow: var(--shadow-xl), var(--shadow-glow-strong);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .slider-gallery {
    grid-template-columns: 1fr;
  }

  .slider__handle {
    width: 34px;
    height: 34px;
  }
}