/* 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-col-grow {
    flex: 1 1 0%;
    min-width: 0;
}

.content-img-fill {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 16rem;
    min-width: 0;
    object-fit: cover;
    flex-shrink: 0;
}

.prose-bodycopy__text-panel-inset {
    padding: 4rem;
}

/* Bootstrap: explicit grid + gap (row gutters often collapse) */
.tips-grid__bs-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
}

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

@media (min-width: 768px) {
    .tips-grid__bs-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.tips-grid__subtitle {
    max-width: 42rem;
}

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

/* glossary folders — summary marker hide, folder hover */
.glossary-folders__sum::-webkit-details-marker {
    display: none;
}

.glossary-folders__sum {
    list-style: none;
}

.glossary-folders__folder {
    transition: transform 0.2s ease;
}

.glossary-folders__folder:hover {
    transform: translateY(-2px);
}

/* Layout — colors stay in Blade / @sem */

.spine-bookmark__cover {
  flex: 1 1 220px;
  min-width: 220px;
  max-width: 380px;
  min-height: 360px;
}

.spine-bookmark__margin {
  width: 36px;
  flex-shrink: 0;
  align-self: stretch;
}

.spine-bookmark__box {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.spine-bookmark__media {
  flex: 1 1 auto;
  min-height: 12rem;
  overflow: hidden;
}

.spine-bookmark__tag {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 0.12em;
  white-space: nowrap;
}

.spine-bookmark__img {
    object-fit: cover;
}
.spine-bookmark__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* cta waves — SVG wave scroll (colors via currentColor in Blade) */
.cta-waves__scene {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.cta-waves__track {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 200%;
  height: 46%;
  display: flex;
  flex-direction: row;
  animation: cta-waves-flow 24s linear infinite;
  will-change: transform;
}

.cta-waves__track--front {
  bottom: 6%;
  height: 34%;
  animation-duration: 17s;
  animation-delay: -6s;
}

.cta-waves__svg {
  flex: 0 0 50%;
  width: 50%;
  height: 100%;
  display: block;
}

@keyframes cta-waves-flow {
  0% {
    transform: translateX(-50%);
  }
  100% {
    transform: translateX(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .cta-waves__track {
    animation: none;
    transform: translateX(-25%);
  }
}