/* intro v19 — photo-free index list: soft blurred blobs, fixed icon tiles, scroll reveal */

/* Soft background blobs (fixed size + blur have no BS utility; colour stays a Tailwind/BS class) */
.intro-index__blob {
    width: 24rem;
    height: 24rem;
    filter: blur(64px);
    opacity: 0.5;
}

/* Icon tile fixed size (BS has no w-N/h-N utility) */
.intro-index__icon-tile {
    width: 3rem;
    height: 3rem;
}

/* Scroll reveal — cards hide only once JS arms the section (no-JS content stays visible) */
.intro-index.is-armed .intro-index__card {
    opacity: 0;
    transform: translateY(1.5rem);
    transition: opacity 560ms ease, transform 560ms ease;
}
.intro-index.is-armed .intro-index__card.is-in {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .intro-index.is-armed .intro-index__card {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

.content-prose-column {
    max-width: 28rem;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

.content-heading-gap {
    margin-bottom: 2rem;
}

.content-section-pad {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.tips-compact__thumb {
    width: 3rem;
    height: 3rem;
}

.tips-compact__thumb--xs {
    width: 1.5rem;
    height: 1.5rem;
}

.tips-compact__min-shrink {
    min-width: 0;
}

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

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

/* glossary invert — hover lift supplied via Tailwind on @sem('block'). */

/* cta slice — diagonal bottom edge + cover image */
.cta-slice__section {
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 93%);
  padding-bottom: 5rem;
}

.cta-slice__cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cta-slice__title-track {
  letter-spacing: 0.28em;
}

.cta-slice__tagline-track {
  letter-spacing: 0.14em;
}

.cta-slice__signature-track {
  letter-spacing: 0.22em;
}

@media (max-width: 767px) {
  .cta-slice__section {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 97%);
    padding-bottom: 3rem;
  }

  .cta-slice__title-track {
    letter-spacing: 0.16em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cta-slice__section {
    clip-path: none;
    padding-bottom: 0;
  }
}