/* 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; }
}

/* v28 - scattered rotation per card (per-index transform has no TW/BS utility) */
[data-scatter-card] {
    transition: transform 200ms ease;
}

[data-scatter-card="0"] {
    transform: rotate(-3deg);
}

[data-scatter-card="1"] {
    transform: rotate(2deg) translateY(-0.5rem);
}

[data-scatter-card="2"] {
    transform: rotate(-1.5deg);
}

[data-scatter-card]:hover {
    transform: rotate(0deg) translateY(0);
}

.content-index-sheet__shell {
    display: grid;
    grid-template-columns: minmax(14rem, 18rem) minmax(0, 1fr);
    width: 100%;
}

.content-index-sheet__shell .rounded-circle,
.content-index-sheet__shell [class*="rounded-full"] {
    flex-shrink: 0;
}

@media (max-width: 991.98px) {
    .content-index-sheet__shell {
        grid-template-columns: 1fr;
    }
}