/* 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; }
}

/* v25 - chat bubble speech tail (border-triangle trick has no TW/BS utility) */
[data-chat-bubble] {
    position: relative;
}

/* fixed max-widths matching the TW max-w-3xl / max-w-2xl utilities (no BS equivalent) */
.dialogue-thread__wrap {
    max-width: 48rem;
}

.dialogue-thread__subtitle-max {
    max-width: 42rem;
}

/* fixed avatar size matching TW w-8 h-8 (no BS utility beyond 25/50/75/100%) */
.dialogue-thread__avatar {
    width: 2rem;
    height: 2rem;
}

/* fixed bubble max-width matching TW max-w-md (no BS equivalent) */
.dialogue-thread__bubble {
    max-width: 28rem;
}

[data-bubble-side="left"] [data-chat-bubble]::before {
    content: "";
    position: absolute;
    top: 1.25rem;
    left: -0.5rem;
    width: 0;
    height: 0;
    border-top: 0.5rem solid transparent;
    border-bottom: 0.5rem solid transparent;
    border-right: 0.5rem solid currentColor;
    color: inherit;
    opacity: 0.15;
}

[data-bubble-side="right"] [data-chat-bubble]::before {
    content: "";
    position: absolute;
    top: 1.25rem;
    right: -0.5rem;
    width: 0;
    height: 0;
    border-top: 0.5rem solid transparent;
    border-bottom: 0.5rem solid transparent;
    border-left: 0.5rem solid currentColor;
    color: inherit;
    opacity: 0.15;
}

/* process journal — layout, image crop, hover motion (no colors) */
.process-journal__photo {
    aspect-ratio: 1 / 1;
    object-fit: cover;
}
.process-journal__marker {
    width: 0.75rem;
    height: 0.75rem;
}
.process-journal__arrow {
    width: 2.75rem;
    height: 2.75rem;
    flex-shrink: 0;
    text-decoration: none;
    transition: transform 200ms ease;
}
.process-journal__pill {
    text-decoration: none;
    transition: transform 200ms ease;
}
.process-journal__arrow:hover,
.process-journal__pill:hover {
    transform: translateY(-1px);
}

/* Bootstrap: сетка + gap как у Tailwind (row + row-cols без col даёт слипание) */
.reasons-quad-columns__bs-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.5rem;
    width: 100%;
    margin-bottom: 4rem;
}

@media (min-width: 768px) {
    .reasons-quad-columns__bs-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 3rem;
    }
}

@media (min-width: 1024px) {
    .reasons-quad-columns__bs-row {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

.reasons-quad-columns__subtitle-max {
    max-width: 48rem;
}

/* Как mb-8 у Tailwind (2rem) */
.reasons-quad-columns__media-mb {
    margin-bottom: 2rem;
}

/* Как w-20 h-20 у Tailwind — у bs не было фиксированного квадрата */
.reasons-quad-thumb {
    width: 5rem;
    height: 5rem;
    flex-shrink: 0;
}

.reasons-quad-columns__item {
    min-height: 400px;
}

/* 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;
}