/**
 * FAQ hub — answer-first editorial index.
 * The ruled layout shares the Guides/Academy language while native details
 * keep the page useful without JavaScript.
 */

.kh-faq-hub {
    --faq-rule: var(--kh-separator);
    --faq-soft: color-mix(in srgb, var(--kh-accent) 8%, transparent);

    max-width: 1240px;
    margin-inline: auto;
}

.kh-faq-hero {
    padding: clamp(2.5rem, 7vw, 6rem) 0 clamp(2.25rem, 5vw, 4.5rem);
    border-bottom: 1px solid var(--faq-rule);
}

.kh-faq-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(18rem, 0.8fr);
    gap: clamp(2rem, 7vw, 7rem);
    align-items: end;
}

.kh-faq-hub .kh-title {
    max-width: 8ch;
    margin: 0;
    font-size: clamp(4.5rem, 12vw, 9rem);
    font-weight: 520;
    line-height: 0.82;
    letter-spacing: -0.08em;
}

.kh-faq-hero__copy {
    padding-bottom: 0.35rem;
}

.kh-faq-hub .kh-lede {
    max-width: 38rem;
    font-size: clamp(1.05rem, 1.7vw, 1.35rem);
    line-height: 1.55;
}

.kh-faq-nav {
    display: grid;
    grid-template-columns: minmax(10rem, 0.28fr) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 5rem);
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--faq-rule);
}

.kh-faq-nav__label,
.kh-faq-contact__eyebrow {
    margin: 0.15rem 0 0;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.11em;
    text-transform: uppercase;
    color: var(--kh-accent);
}

.kh-faq-nav__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 2rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.kh-faq-nav__item {
    border-top: 1px solid var(--faq-rule);
}

.kh-faq-nav__item:nth-last-child(-n + 2) {
    border-bottom: 1px solid var(--faq-rule);
}

.kh-faq-nav__link {
    display: grid;
    grid-template-columns: 2.25rem minmax(0, 1fr) auto;
    gap: 0.8rem;
    align-items: center;
    min-height: 5rem;
    color: inherit;
    text-decoration: none;
    transition:
        padding 180ms ease,
        color 180ms ease,
        background-color 180ms ease;
}

.kh-faq-nav__link:hover {
    padding-inline: 0.45rem;
    color: var(--kh-accent);
    background: var(--faq-soft);
}

.kh-faq-nav__link:focus-visible,
.kh-faq-group__more:focus-visible,
.kh-faq-contact a:focus-visible,
.kh-faq-contact button:focus-visible {
    outline: 2px solid var(--kh-accent);
    outline-offset: 4px;
}

.kh-faq-nav__icon {
    display: grid;
    width: 2.25rem;
    height: 2.25rem;
    place-items: center;
    color: var(--kh-accent);
}

.kh-faq-nav__icon svg {
    width: 1.2rem;
    height: 1.2rem;
}

.kh-faq-nav__copy {
    display: grid;
    gap: 0.2rem;
}

.kh-faq-nav__title {
    font-size: 0.95rem;
    font-weight: 620;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

.kh-faq-nav__count {
    font-size: 0.75rem;
    color: var(--kh-label);
}

.kh-faq-nav__arrow {
    font-size: 0.9rem;
    color: var(--kh-label);
}

.kh-faq-group {
    scroll-margin-top: 6rem;
    padding: clamp(3.5rem, 7vw, 6.5rem) 0;
    border-bottom: 1px solid var(--faq-rule);
}

.kh-faq-group__head {
    display: grid;
    grid-template-columns: minmax(15rem, 0.42fr) minmax(0, 0.58fr);
    gap: clamp(2rem, 6vw, 6rem);
    margin-bottom: clamp(2rem, 4vw, 3.25rem);
    align-items: end;
}

.kh-faq-group__meta {
    margin: 0 0 0.65rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    color: var(--kh-accent);
}

.kh-faq-group__title {
    max-width: 15ch;
    margin: 0;
    font-size: clamp(2rem, 4vw, 3.75rem);
    font-weight: 540;
    line-height: 0.98;
    letter-spacing: -0.055em;
}

.kh-faq-group__summary {
    max-width: 42rem;
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.65;
    color: var(--kh-label);
}

.kh-faq-hub__list {
    border-top: 1px solid var(--faq-rule);
}

.kh-faq-hub__item {
    border-bottom: 1px solid var(--faq-rule);
}

.kh-faq-hub__item summary {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 1.25rem;
    gap: 1.5rem;
    align-items: center;
    padding: 1.45rem 0;
    font-size: clamp(1.05rem, 1.6vw, 1.25rem);
    font-weight: 570;
    line-height: 1.35;
    letter-spacing: -0.025em;
    cursor: pointer;
    list-style: none;
}

.kh-faq-hub__item summary::-webkit-details-marker {
    display: none;
}

.kh-faq-hub__item summary:hover {
    color: var(--kh-accent);
}

.kh-faq-hub__item summary:focus-visible {
    outline: 2px solid var(--kh-accent);
    outline-offset: 5px;
}

.kh-faq-hub__mark {
    position: relative;
    width: 1rem;
    height: 1rem;
}

.kh-faq-hub__mark::before,
.kh-faq-hub__mark::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background: currentcolor;
    transition: transform 180ms ease;
}

.kh-faq-hub__mark::after {
    transform: rotate(90deg);
}

.kh-faq-hub__item[open] .kh-faq-hub__mark::after {
    transform: rotate(0);
}

.kh-faq-hub__answer {
    max-width: 52rem;
    padding: 0 3rem 1.75rem 0;
    font-size: 0.96rem;
    line-height: 1.72;
    color: var(--kh-label);
}

.kh-faq-hub__answer > :first-child {
    margin-top: 0;
}

.kh-faq-hub__answer a,
.kh-faq-group__more {
    color: var(--kh-accent);
}

.kh-faq-group__more {
    display: inline-block;
    margin-top: 1.5rem;
    font-size: 0.8rem;
    font-weight: 700;
    text-decoration: none;
}