/* =============================================================================
   Callout — Animation Scene
   Split layout: left copy + right animated lego-brick construction.
   ============================================================================= */

.cb-cas {
  position: relative;
  overflow: hidden;
  background: var(--cas-bg, #edeff1);
  color: var(--cas-text, #1a1a1a);
  padding: clamp(4rem, 10vw, 7rem) clamp(1.5rem, 5vw, 3rem);
  box-sizing: border-box;
}

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

/* =============================================================================
   Inner wrapper — two-column grid
   ============================================================================= */

.cb-cas__inner {
  max-width: 72rem;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

/* =============================================================================
   Left column — copy
   ============================================================================= */

.cb-cas__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.25rem;
}

.cb-cas__kicker {
  margin: 0;
  font-size: clamp(0.7rem, 1vw, 0.85rem);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cas-text, #1a1a1a);
  opacity: 0.65;
}

.cb-cas__headline {
  margin: 0;
  font-size: clamp(1.75rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--cas-text, #1a1a1a);
}

.cb-cas__cta {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: clamp(0.85rem, 1.1vw, 1rem);
  text-decoration: none;
  transition: opacity 0.25s ease, transform 0.2s ease, background-color 0.25s ease;
}

/* Colour + shape come from shared `cb-btn` + `--cb-btn-bg` (defaults to section CTA colour). */
.cb-cas__cta.cb-btn {
  --cb-btn-bg: var(--cas-cta, #c1272d);
}

.cb-cas__cta:hover,
.cb-cas__cta:focus-visible {
  transform: translateY(-1px);
}

/* =============================================================================
   Copy entrance — fade-up on scroll
   ============================================================================= */

.cb-cas__kicker,
.cb-cas__headline,
.cb-cas__cta {
  transition: opacity 0.6s ease, transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}

.cb-cas:not(.cb-cas--visible) .cb-cas__kicker {
  opacity: 0;
  transform: translateY(1.2rem);
}
.cb-cas:not(.cb-cas--visible) .cb-cas__headline {
  opacity: 0;
  transform: translateY(1.4rem);
  transition-delay: 0.08s;
}
.cb-cas:not(.cb-cas--visible) .cb-cas__cta {
  opacity: 0;
  transform: translateY(1rem);
  transition-delay: 0.16s;
}

.cb-cas--visible .cb-cas__kicker,
.cb-cas--visible .cb-cas__headline,
.cb-cas--visible .cb-cas__cta {
  opacity: 1;
  transform: none;
}

.cb-cas--visible .cb-cas__headline {
  transition-delay: 0.08s;
}
.cb-cas--visible .cb-cas__cta {
  transition-delay: 0.16s;
}

/* =============================================================================
   Right column — animation scene
   ============================================================================= */

.cb-cas__scene {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1.15;
  overflow: hidden;
}

/* =============================================================================
   Lego bricks (injected by JS)
   ============================================================================= */

.cb-cas__brick {
  position: absolute;
  border-radius: 2px;
  box-shadow:
    inset 0 -2px 0 rgba(0, 0, 0, 0.12),
    inset 0  1px 0 rgba(255, 255, 255, 0.08),
    0 1px 3px rgba(0, 0, 0, 0.10);
  will-change: transform, opacity;
}

.cb-cas__stud {
  display: inline-block;
  border-radius: 50%;
  box-shadow:
    inset 0 -1px 0 rgba(0, 0, 0, 0.18),
    inset 0  1px 0 rgba(255, 255, 255, 0.12);
}

.cb-cas__brick-studs {
  position: absolute;
  top: 0;
  display: flex;
}

/* =============================================================================
   Photo circle (positioned by JS within the structure)
   ============================================================================= */

.cb-cas__photo {
  position: absolute;
  z-index: 10;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid #fff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
  opacity: 0;
}

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

/* =============================================================================
   Reduced motion
   ============================================================================= */

@media (prefers-reduced-motion: reduce) {
  .cb-cas__brick,
  .cb-cas__kicker,
  .cb-cas__headline,
  .cb-cas__cta,
  .cb-cas__photo {
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* =============================================================================
   Mobile — stack to single column
   ============================================================================= */

@media (max-width: 48rem) {
  .cb-cas__inner {
    grid-template-columns: 1fr;
  }

  .cb-cas__copy {
    align-items: center;
    text-align: center;
  }

  .cb-cas__scene {
    aspect-ratio: 1 / 1;
    max-width: 22rem;
    margin: 0 auto;
  }
}