/* ==========================================================================
   pds-faq — sticky intro left, native <details> accordion right
   ========================================================================== */

.pds-faq {
    background: var(--pds-paper);
    padding-block: var(--pds-section-y);
}

.pds-faq__inner {
    display: grid;
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
    align-items: start;
    gap: clamp(2.5rem, 6vw, 5.5rem);
}

/* --- Aside --------------------------------------------------------------- */

.pds-faq__aside {
    position: sticky;
    top: calc(78px + 3rem);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.125rem;
}

.pds-faq__aside .pds__h2 {
    max-inline-size: 14ch;
}

/* Scoped to a class rather than the bare element so it cannot override the
   shared .pds__eyebrow primitive, which is also a <p>. */
.pds-faq__intro {
    max-inline-size: 38ch;
    font-size: var(--pds-fs-small);
    color: var(--pds-body);
}

.pds-faq__aside > div {
    margin-block-start: .5rem;
}

/* --- List ---------------------------------------------------------------- */

.pds-faq__list {
    display: flex;
    flex-direction: column;
    border-block-start: 1px solid var(--pds-line);
}

.pds-faq__item {
    border-block-end: 1px solid var(--pds-line);
}

.pds-faq__item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding-block: clamp(1.125rem, 2vw, 1.5rem);
    cursor: pointer;
    list-style: none;
}

.pds-faq__item summary::-webkit-details-marker {
    display: none;
}

.pds-faq__question {
    font-family: var(--pds-display);
    font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -.018em;
    color: var(--pds-title);
    transition: color .3s var(--pds-ease);
}

.pds-faq__item:hover .pds-faq__question,
.pds-faq__item[open] .pds-faq__question {
    color: var(--pds-purple);
}

.pds-faq__toggle {
    display: grid;
    place-items: center;
    flex: none;
    inline-size: 2.125rem;
    block-size: 2.125rem;
    border: 1px solid var(--pds-line);
    border-radius: 50%;
    color: var(--pds-title);
    transition: transform .35s var(--pds-ease), background-color .3s var(--pds-ease),
                border-color .3s var(--pds-ease), color .3s var(--pds-ease);
}

.pds-faq__item:hover .pds-faq__toggle {
    border-color: var(--pds-purple);
    color: var(--pds-purple);
}

.pds-faq__item[open] .pds-faq__toggle {
    transform: rotate(135deg);
    background: var(--pds-purple);
    border-color: var(--pds-purple);
    color: #fff;
}

/* --- Answer -------------------------------------------------------------- */

.pds-faq__answer {
    padding-block: 0 clamp(1.25rem, 2.2vw, 1.75rem);
    padding-inline-end: clamp(0rem, 4vw, 3.5rem);
    max-inline-size: 68ch;
}

.pds-faq__answer p {
    font-size: var(--pds-fs-small);
    line-height: 1.65;
    color: var(--pds-body);
    white-space: pre-line;
}

@media (prefers-reduced-motion: no-preference) {

    .pds-faq__item[open] .pds-faq__answer {
        animation: pds-faq-open .45s var(--pds-ease-out);
    }
}

@keyframes pds-faq-open {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: none; }
}

/* --- Responsive ---------------------------------------------------------- */

@media (max-width: 1024px) {

    .pds-faq__inner {
        grid-template-columns: minmax(0, 1fr);
        gap: 2.25rem;
    }

    .pds-faq__aside {
        position: static;
    }
}

@media (max-width: 600px) {

    .pds-faq__item summary {
        gap: 1rem;
    }

    .pds-faq__aside .pds__btn {
        inline-size: 100%;
        justify-content: center;
    }

    .pds-faq__aside > div {
        inline-size: 100%;
    }
}