/* Image & Text / Text & Image — split layout */

.cb-split {
  --cb-split-bg:          #edeff1;
  --cb-split-placeholder: #9a9da3;
  --cb-chip:              clamp(1.75rem, 3.5vw, 2.75rem);
  --cb-line-w:            8px;
  box-sizing: border-box;
  background: var(--cb-split-bg);
  color: var(--cb-split-text, #111);
  padding: clamp(2.5rem, 6vw, 4.5rem) clamp(1.25rem, 4vw, 3rem);
}

.cb-split *,
.cb-split *::before,
.cb-split *::after {
  box-sizing: inherit;
}

/* =============================================================================
   Layout
   ============================================================================= */

.cb-split__inner {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: clamp(1.75rem, 5vw, 3.5rem);
  max-width: 72rem;
  margin: 0 auto;
}

.cb-split--image-right .cb-split__inner {
  flex-direction: row-reverse;
}

/* =============================================================================
   Media column
   ============================================================================= */

.cb-split__media {
  position: relative;
  flex: 1 1 48%;
  min-width: 0;
  z-index: 0;
}

/* SVG L-accent */
.cb-split__accent-svg {
  position: absolute;
  z-index: -1;
  width: 68%;
  height: 64%;
  overflow: visible;
  color: var(--cb-split-accent, #d60000);
  pointer-events: none;
}

.cb-split--image-left .cb-split__accent-svg {
  left: -1.5rem;
  bottom: -1.5rem;
}

.cb-split--image-right .cb-split__accent-svg {
  right: -1.5rem;
  bottom: -1.5rem;
}

.cb-split__accent-path {
  stroke-width: var(--cb-line-w);
  stroke-dasharray: 120;
  stroke-dashoffset: 120;
}

/* Solid-line bars — used by solid-l-* variants */
.cb-split__bar-v,
.cb-split__bar-h {
  position: absolute;
  background: var(--cb-split-accent, #d60000);
  pointer-events: none;
  z-index: -1;
  display: none;
}

.cb-split__bar-v {
  width: var(--cb-line-w);
  height: 64%;
  transform-origin: bottom center;
}

.cb-split__bar-h {
  width: 68%;
  height: var(--cb-line-w);
  transform-origin: left center;
}

.cb-split--image-left .cb-split__bar-v,
.cb-split--image-left .cb-split__bar-h {
  left: -1.5rem;
  bottom: -1.5rem;
}

.cb-split--image-right .cb-split__bar-v {
  right: -1.5rem;
  bottom: -1.5rem;
}

.cb-split--image-right .cb-split__bar-h {
  right: -1.5rem;
  bottom: -1.5rem;
  transform-origin: right center;
}

/* Activate bars for all solid-l-* variants */
[data-cb-animation^='solid-l'] .cb-split__bar-v,
[data-cb-animation^='solid-l'] .cb-split__bar-h {
  display: block;
}

/* Hide SVG for pure-solid variants */
[data-cb-animation='solid-l-slide'] .cb-split__accent-svg,
[data-cb-animation='solid-l-alt']   .cb-split__accent-svg {
  display: none;
}

/* Image frame — chamfered bottom-right corner replaces border-radius */
.cb-split__media-frame {
  position: relative;
  z-index: 1;
  overflow: hidden;
  background: var(--cb-split-placeholder);
  aspect-ratio: 4 / 3;
  clip-path: polygon(
    0 0,
    100% 0,
    100% calc(100% - var(--cb-chip)),
    calc(100% - var(--cb-chip)) 100%,
    0 100%
  );
}

.cb-split__media-frame--shadow > * {
  filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.18)) drop-shadow(0 2px 6px rgba(0, 0, 0, 0.1));
}

.cb-split__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cb-split__placeholder {
  width: 100%;
  height: 100%;
  min-height: 12rem;
  background: var(--cb-split-placeholder);
}

/* =============================================================================
   Copy column
   ============================================================================= */

.cb-split__copy {
  flex: 1 1 44%;
  min-width: 0;
}

.cb-split__heading {
  margin: 0 0 0.65em;
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 600;
  line-height: 1.2;
  color: inherit;
}

.cb-split__body {
  margin: 0;
  font-size: var(--cb-split-body-size, 18px);
  line-height: 1.55;
  color: inherit;
}

/* Word-cascade: individual word spans must be inline-block so transform works */
.cb-split__word {
  display: inline-block;
}

/* =============================================================================
   IMAGE / ACCENT — HIDDEN initial states (no transitions — enables snap-back)

   Transitions are intentionally declared ONLY in the .cb-split--visible rules
   below. This means:
     • Adding   cb-split--visible  → CSS sees transition in the new state → animates IN
     • Removing cb-split--visible  → CSS sees no transition in new state  → snaps back instantly
   This gives clean re-entry animation every time the block scrolls into view.
   ============================================================================= */

.cb-split[data-cb-animation]:not([data-cb-animation='none']):not(.cb-split--visible) .cb-split__media {
  opacity: 0;
}

.cb-split--image-left[data-cb-animation]:not([data-cb-animation='none']):not(.cb-split--visible) .cb-split__media {
  transform: translateX(-2rem) scale(1.04);
}

.cb-split--image-right[data-cb-animation]:not([data-cb-animation='none']):not(.cb-split--visible) .cb-split__media {
  transform: translateX(2rem) scale(1.04);
}

/* Bars collapsed */
[data-cb-animation^='solid-l']:not(.cb-split--visible) .cb-split__bar-v {
  transform: scaleY(0);
}

[data-cb-animation^='solid-l']:not(.cb-split--visible) .cb-split__bar-h {
  transform: scaleX(0);
}

/* Ghost SVG hidden for double variant until visible */
[data-cb-animation='solid-l-double']:not(.cb-split--visible) .cb-split__accent-svg {
  opacity: 0;
}

/* =============================================================================
   IMAGE / ACCENT — VISIBLE states (transitions declared here — animate IN)
   ============================================================================= */

/* Image slides in with scale */
.cb-split[data-cb-animation]:not([data-cb-animation='none']).cb-split--visible .cb-split__media {
  transition:
    opacity   1.0s ease,
    transform 1.1s  cubic-bezier(0.22, 1, 0.36, 1);
  opacity: 1;
  transform: none;
}

/* solid-l-slide / solid-l-double: vertical draws first */
[data-cb-animation='solid-l-slide'].cb-split--visible .cb-split__bar-v,
[data-cb-animation='solid-l-double'].cb-split--visible .cb-split__bar-v {
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.55s;
  transform: scaleY(1);
}

[data-cb-animation='solid-l-slide'].cb-split--visible .cb-split__bar-h,
[data-cb-animation='solid-l-double'].cb-split--visible .cb-split__bar-h {
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1) 1.1s;
  transform: scaleX(1);
}

/* solid-l-alt: horizontal draws first */
[data-cb-animation='solid-l-alt'].cb-split--visible .cb-split__bar-h {
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1) 0.55s;
  transform: scaleX(1);
}

[data-cb-animation='solid-l-alt'].cb-split--visible .cb-split__bar-v {
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1) 1.1s;
  transform: scaleY(1);
}

/* solid-l-double: ghost SVG fades in softly */
[data-cb-animation='solid-l-double'].cb-split--visible .cb-split__accent-svg {
  transition: opacity 0.5s ease 0.3s;
  opacity: 0.3;
}

[data-cb-animation='solid-l-double'] .cb-split__accent-path {
  stroke-dashoffset: 0;
  transition: none;
}

/* curve-l-accent: SVG stroke draws in */
[data-cb-animation='curve-l-accent'].cb-split--visible .cb-split__accent-path {
  transition: stroke-dashoffset 1.05s cubic-bezier(0.4, 0, 0.2, 1) 0.6s;
  stroke-dashoffset: 0;
}

/* Static — show accent immediately */
.cb-split[data-cb-animation='none'] .cb-split__accent-path {
  stroke-dashoffset: 0;
  transition: none;
}

/* =============================================================================
   TEXT — HIDDEN initial states (no transitions — enables snap-back)
   ============================================================================= */

/* slide-up */
[data-cb-text-anim='slide-up']:not(.cb-split--visible) .cb-split__heading {
  opacity: 0;
  transform: translateY(1.6rem);
}

[data-cb-text-anim='slide-up']:not(.cb-split--visible) .cb-split__body {
  opacity: 0;
  transform: translateY(1.1rem);
}

/* split-sides: heading in from left, body in from right */
[data-cb-text-anim='split-sides']:not(.cb-split--visible) .cb-split__heading {
  opacity: 0;
  transform: translateX(-2.5rem);
}

[data-cb-text-anim='split-sides']:not(.cb-split--visible) .cb-split__body {
  opacity: 0;
  transform: translateX(2.5rem);
}

/* word-cascade: individual words hidden */
[data-cb-text-anim='word-cascade']:not(.cb-split--visible) .cb-split__word {
  opacity: 0;
  transform: translateY(0.55em);
}

[data-cb-text-anim='word-cascade']:not(.cb-split--visible) .cb-split__body {
  opacity: 0;
  transform: translateY(1.1rem);
}

/* =============================================================================
   TEXT — VISIBLE states (transitions declared here — animate IN)
   ============================================================================= */

/* slide-up */
[data-cb-text-anim='slide-up'].cb-split--visible .cb-split__heading {
  transition:
    opacity   0.75s ease                             0.3s,
    transform 0.85s cubic-bezier(0.22, 1, 0.36, 1) 0.3s;
  opacity: 1;
  transform: none;
}

[data-cb-text-anim='slide-up'].cb-split--visible .cb-split__body {
  transition:
    opacity   0.75s ease                             0.52s,
    transform 0.85s cubic-bezier(0.22, 1, 0.36, 1) 0.52s;
  opacity: 1;
  transform: none;
}

/* split-sides */
[data-cb-text-anim='split-sides'].cb-split--visible .cb-split__heading {
  transition:
    opacity   0.7s ease                              0.25s,
    transform 0.9s cubic-bezier(0.22, 1, 0.36, 1)  0.25s;
  opacity: 1;
  transform: none;
}

[data-cb-text-anim='split-sides'].cb-split--visible .cb-split__body {
  transition:
    opacity   0.7s ease                              0.42s,
    transform 0.9s cubic-bezier(0.22, 1, 0.36, 1)  0.42s;
  opacity: 1;
  transform: none;
}

/* word-cascade: each word staggered by --word-i CSS variable */
[data-cb-text-anim='word-cascade'].cb-split--visible .cb-split__word {
  transition:
    opacity   0.45s ease                             calc(var(--word-i, 0) * 0.09s + 0.25s),
    transform 0.55s cubic-bezier(0.22, 1, 0.36, 1) calc(var(--word-i, 0) * 0.09s + 0.25s);
  opacity: 1;
  transform: none;
}

[data-cb-text-anim='word-cascade'].cb-split--visible .cb-split__body {
  transition:
    opacity   0.7s ease                             0.95s,
    transform 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.95s;
  opacity: 1;
  transform: none;
}

/* =============================================================================
   Reduced motion — override all transitions and show everything immediately
   ============================================================================= */

@media (prefers-reduced-motion: reduce) {
  .cb-split .cb-split__media,
  .cb-split .cb-split__heading,
  .cb-split .cb-split__body,
  .cb-split .cb-split__word {
    transition: none !important;
    opacity:    1    !important;
    transform:  none !important;
  }

  .cb-split .cb-split__accent-path {
    transition:        none !important;
    stroke-dashoffset: 0    !important;
  }

  .cb-split .cb-split__bar-v,
  .cb-split .cb-split__bar-h {
    transition: none !important;
    transform:  none !important;
  }

  .cb-split .cb-split__accent-svg {
    opacity: 0.3 !important;
    transition: none !important;
  }
}

/* =============================================================================
   Responsive — stacked on narrow screens
   ============================================================================= */

@media (max-width: 52rem) {
  .cb-split__inner {
    flex-direction: column;
    align-items: stretch;
  }

  .cb-split--image-right .cb-split__inner {
    flex-direction: column;
  }

  /* Both accent elements move to bottom-left when stacked */
  .cb-split--image-left  .cb-split__accent-svg,
  .cb-split--image-right .cb-split__accent-svg {
    left: -1.5rem;
    right: auto;
    bottom: -1.5rem;
  }

  .cb-split--image-left  .cb-split__bar-v,
  .cb-split--image-right .cb-split__bar-v,
  .cb-split--image-left  .cb-split__bar-h,
  .cb-split--image-right .cb-split__bar-h {
    left: -1.5rem;
    right: auto;
    bottom: -1.5rem;
  }

  /* Reset horizontal grow direction to left-to-right when stacked */
  .cb-split--image-right .cb-split__bar-h {
    transform-origin: left center;
  }
}

@media (max-width: 30rem) {
  .cb-split {
    padding: clamp(1.75rem, 5vw, 2.75rem) 1rem;
  }

  .cb-split__inner {
    gap: 1.25rem;
  }
}