/* intro v29 — Rolls-Royce thread: circle-expand reveal, half-ring, chat alignment, dual-layer parallax */

.intro-thread { min-height: 88vh; }

/* Clip-path circle expand from centre on load */
.intro-thread__reveal {
    animation: intro-thread-expand 900ms ease forwards;
}
@keyframes intro-thread-expand {
    from { clip-path: circle(0% at 50% 50%); }
    to   { clip-path: circle(150% at 50% 50%); }
}

/* Half-ring at the boundary (fixed size — no BS w-N/h-N utility) */
.intro-thread__half {
    width: 16rem;
    height: 8rem;
    opacity: 0.7;
    filter: blur(2px);
}
.intro-thread__sun { width: 6rem; height: 6rem; }
.intro-thread [data-msg] { max-width: 28rem; }

/* Dual-layer parallax offset (set by JS via custom props) */
.intro-thread__island [data-layer] {
    transition: transform 200ms ease-out;
    transform: translate(var(--px, 0), var(--py, 0));
}

/* Chat thread alternate alignment + retro corner tails */
.intro-thread [data-msg] { border-bottom-left-radius: 0.25rem; }
.intro-thread [data-msg]:nth-child(even) {
    margin-left: auto;
    border-bottom-left-radius: 1rem;
    border-bottom-right-radius: 0.25rem;
}

@media (prefers-reduced-motion: reduce) {
    .intro-thread__reveal { animation: none; }
    .intro-thread__island [data-layer] { transition: none; }
}

/* FAQ v18 — accordion mechanics */
.faq-accordion-panel {
    max-height: 0;
}

.faq-accordion-icon.solver-hints-symbol-reveal {
    transform: rotate(180deg);
}

.tips-interactive__badge {
    z-index: 20;
}

.tips-interactive__inner {
    z-index: 10;
}

.tips-interactive__panel {
    z-index: 50;
}

.tips-interactive__thumb {
    width: 4rem;
    height: 4rem;
}

.tips-interactive__thumb--sm {
    width: 3rem;
    height: 3rem;
}

.tips-interactive__panel--collapsed {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-1rem);
}

.tips-interactive__panel--open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.cta-services-split__marquee {
  overflow: hidden;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, black 20%, transparent 95%);
}

.cta-services-split__marquee-inner {
  display: inline-flex;
  align-items: center;
  gap: 3rem;
  white-space: nowrap;
  animation: cta-services-split__marquee 28s linear infinite;
}

@keyframes cta-services-split__marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.cta-services-split__cta {
  transition: filter 0.2s ease, transform 0.15s ease;
}

.cta-services-split__cta:hover,
.cta-services-split__cta:focus-visible {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.cta-services-split__cta:hover .cta-services-split__cta-icon,
.cta-services-split__cta:focus-visible .cta-services-split__cta-icon {
  transform: translate(2px, -2px);
}

.cta-services-split__cta-icon {
  transition: transform 0.2s ease;
}

.cta-services-split__item-hov {
  transition: border-color 0.2s ease, padding-inline-start 0.2s ease;
}

@media (prefers-reduced-motion: reduce) {
  .cta-services-split__marquee-inner {
    animation: none;
  }

  .cta-services-split__cta:hover,
  .cta-services-split__cta:focus-visible {
    transform: none;
  }
}