/*
 * FAQ: the intro on the left (sticky while the list scrolls past), the questions on the
 * right; stacked on tablets and phones. Each question is a <details> with a chevron.
 */

.blk--faq {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 80px;
}

.faq__intro:empty {
    display: none;
}

.faq__intro {
    position: sticky;
    top: calc(var(--header-pinned, var(--header-height)) + var(--step-7));
    flex: 0 1 380px;
}

.faq__list {
    flex: 0 1 680px;
    min-width: 0;
}

/* ---------- Questions ---------- */

.faq__item {
    border-bottom: 1px solid var(--neutral-200);
}

.faq__question {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--step-6);
    padding: var(--step-6) var(--step-4);
    list-style: none;
    cursor: pointer;
}

.faq__question::-webkit-details-marker {
    display: none;
}

.faq__question:focus-visible {
    outline: 2px solid var(--tertiary-600);
    outline-offset: -2px;
}

.faq__question-text {
    margin: 0;
    color: var(--black);
    font-family: var(--font-sans);
    font-size: 16px;
    font-style: normal;
    font-weight: 600;
    line-height: 1.4;
    letter-spacing: 0;
}

/* Points down when closed, up when open */
.faq__chevron {
    flex-shrink: 0;
    width: 8px;
    height: 8px;
    margin: 6px 6px 0 0;
    border-right: 1.5px solid var(--black);
    border-bottom: 1.5px solid var(--black);
    transform: rotate(45deg);
    transition: transform .2s ease-in-out, margin .2s ease-in-out;
}

.faq__item[open]:not(.is-closing) .faq__chevron {
    margin-top: 10px;
    transform: rotate(-135deg);
}

.faq__answer {
    display: flex;
    flex-direction: column;
    gap: var(--step-6);
    padding: 0 var(--step-4) var(--step-6);
    color: var(--text);
    font-size: 14px;
    line-height: 1.6;
}

.faq__answer > * {
    margin: 0;
}

/* Dark backgrounds */
.is-dark .faq__item {
    border-color: color-mix(in srgb, var(--neutral-50) 25%, transparent);
}

.is-dark .faq__question-text {
    color: var(--white);
}

.is-dark .faq__chevron {
    border-color: var(--white);
}

@media (prefers-reduced-motion: reduce) {
    .faq__chevron {
        transition: none;
    }
}

@media (max-width: 1024px) {
    .blk--faq {
        flex-direction: column;
        align-items: stretch;
        gap: var(--step-7);
    }

    .faq__intro,
    .faq__list {
        flex-basis: auto;
    }

    .faq__intro {
        position: static;
    }
}

@media (max-width: 600px) {
    .faq__question {
        padding: var(--step-5) var(--step-4);
    }
}

/* ---------- Entrance (script.js) ----------
   The heading (from the left, or up when centred), then the questions one after another
   from their own side (from the left when stacked). */

.blk--faq.rv .faq__heading,
.blk--faq.rv .faq__item {
    opacity: 0;
}

.blk--faq.rv.rv-from-left .faq__heading {
    transform: translateX(calc(var(--reveal-shift) * -1));
}

.blk--faq.rv.rv-from-below .faq__heading {
    transform: translateY(var(--reveal-rise));
}

.blk--faq.rv.faq--items-from-right .faq__item {
    transform: translateX(var(--reveal-shift));
}

.blk--faq.rv.faq--items-from-left .faq__item {
    transform: translateX(calc(var(--reveal-shift) * -1));
}

.blk--faq.rv-armed .faq__heading {
    transition: opacity var(--reveal-text) ease, transform var(--reveal-text) var(--reveal-ease);
}

.blk--faq.rv-armed .faq__item {
    transition:
        opacity var(--reveal-text) ease calc(var(--rv-start, 0s) + var(--rv-i, 0) * var(--reveal-stagger) * .75),
        transform calc(var(--reveal-text) + .1s) var(--reveal-ease) calc(var(--rv-start, 0s) + var(--rv-i, 0) * var(--reveal-stagger) * .75);
}

.blk--faq.rv.rv-heading-in .faq__heading,
.blk--faq.rv.rv-items-in .faq__item {
    opacity: 1;
    transform: none;
}