/* 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; }
}

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

.content-full-frame {
    max-width: 80rem;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

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

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

/* Matches Tailwind flex-1: equal columns on row; avoids shrink-to-content width on Bootstrap */
.content-col-grow {
    flex: 1 1 0%;
    min-width: 0;
}

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

.tips-interactive__badge {
    z-index: 20;
}

.tips-interactive__inner {
    z-index: 10;
}

.tips-interactive__panel {
    z-index: 50;
}

.tips-interactive__thumb {
    width: 4rem;
    height: 4rem;
}

.tips-interactive__thumb--sm {
    width: 3rem;
    height: 3rem;
}

.tips-interactive__panel--collapsed {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-1rem);
}

.tips-interactive__panel--open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

/* FAQ v20 — timeline stepper mechanics */
.stepper-answers__line {
    left: 15px;
    top: 1rem;
    bottom: 1rem;
    width: 2px;
}

.stepper-answers__badge {
    width: 2rem;
    height: 2rem;
}


.pulse-boost__section {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.pulse-boost__inner {
    max-width: 72rem;
    width: 100%;
    box-sizing: border-box;
}

/* Bootstrap: col-* внутри d-flex без .row даёт неверную ширину и обрезание справа */
.pulse-boost__split-row-bs {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 1.5rem;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

@media (min-width: 1024px) {
    .pulse-boost__split-row-bs {
        flex-direction: row;
        align-items: center;
    }

    .pulse-boost__split-row-bs > * {
        flex: 1 1 0;
        min-width: 0;
        max-width: 50%;
        box-sizing: border-box;
    }
}

.pulse-boost__vessel--rise:hover { transform: scale(1.05); transition: transform .2s ease; }

@keyframes pulse-boost-highlight-throb-track {
    0%, 100% { opacity: 1; }
    50%       { opacity: .5; }
}
.pulse-boost__highlight--throb {
    animation: pulse-boost-highlight-throb-track 2s cubic-bezier(.4,0,.6,1) infinite;
}

.pulse-boost__jump--rise:hover { transform: scale(1.05); transition: transform .2s ease; }

.pulse-boost__control--rise:hover { transform: scale(1.05); transition: transform .2s ease; }

