/* 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; }
}


.bodycopy-storyblock__cabin-stack-gap {
    gap: 4rem;
}

.bodycopy-storyblock__rail-stack-gap {
    gap: 4rem;
}

.content-flow-gap {
    gap: 4rem;
}

.content-grid-gap {
    gap: 2rem;
}

.content-prose-measure {
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

.content-wide-frame {
    max-width: 72rem;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

.content-cta__lift { transition: transform 150ms ease; }
.content-cta__lift:hover { transform: translateY(-2px); }

.content-col-grow {
    flex: 1 1 0%;
    min-width: 0;
}

.content-img-medium {
    display: block;
    width: 100%;
    height: 18rem;
    min-height: 18rem;
    flex-shrink: 0;
    object-fit: cover;
}
@media (min-width: 768px) {
    .content-img-medium {
        height: 20rem;
        min-height: 20rem;
    }
}

.content-small-height {
    display: block;
    width: 100%;
    height: 12rem;
    min-height: 12rem;
    flex-shrink: 0;
    object-fit: cover;
}


.prose-bodycopy__bg-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.prose-bodycopy__title-trail { margin-bottom: 2rem; }

.prose-bodycopy__rule-trail { margin-bottom: 3rem; }

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

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

/* Заполнение блока 16×9 без фиксированной высоты в px */
.briefing-rail-glimpse__frame .briefing-rail-glimpse__snapshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.briefing-rail-glimpse__frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.briefing-rail-glimpse__snapshot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.perks-alternate-rows__thumb {
    width: 6rem;
    height: 6rem;
    transition: transform 0.2s ease;
}

.perks-alternate-rows__cta {
    transition: transform 0.2s ease;
}

@media (min-width: 640px) {
    .perks-alternate-rows__thumb:hover {
        transform: scale(1.05);
    }

    .perks-alternate-rows__cta:hover {
        transform: scale(1.05);
    }
}

/* subscribe v26 — native details/summary disclosure affordance (layout only) */
.mailing-accordion__item summary {
    cursor: pointer;
    list-style: none;
}

.mailing-accordion__item summary::-webkit-details-marker {
    display: none;
}

.google-map-with-prominent-phone-and-email-cta-blocks__iframe { width: 100%; min-height: 400px; }
@media (min-width: 768px) { .google-map-with-prominent-phone-and-email-cta-blocks__iframe { min-height: 600px; } }

/* iframe-normalized */
.google-map-with-prominent-phone-and-email-cta-blocks__iframe {
    width: 100%;
    max-width: 100%;
    height: 400px;
    min-height: 400px;
    display: block;
    border: 0;
    box-sizing: border-box;
    vertical-align: bottom;
}

@media (min-width: 768px) {
    .google-map-with-prominent-phone-and-email-cta-blocks__iframe {
        height: 600px;
        min-height: 600px;
    }
}