/* ============================================================
   8. FAQ — tabbed accordion
   ============================================================ */

.faq { overflow: hidden; }
.faq__wash {
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    width: min(900px, 110vw);
    height: 420px;
    background: radial-gradient(closest-side,
        rgba(31, 122, 224, 0.1) 0%,
        rgba(31, 122, 224, 0.03) 55%,
        transparent 100%);
    pointer-events: none;
}
.faq__head { text-align: center; position: relative; }

.faq__tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.55rem;
    margin-top: clamp(2rem, 4vw, 3rem);
}
.faq__tab {
    position: relative;
    padding: 0.6rem 1.35rem;
    border: 1.5px solid var(--border);
    border-radius: var(--r-pill);
    background: #ffffff;
    color: var(--muted-2);
    font-family: inherit;
    font-size: 0.93rem;
    font-weight: 600;
    cursor: pointer;
    overflow: hidden;
    isolation: isolate;
    transition: color 0.35s ease, border-color 0.35s ease;
}
.faq__tab::before {
    /* sliding indicator */
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(135deg, var(--accent), var(--accent-soft));
    transform: translateY(100%);
    transition: transform 0.4s var(--ease-reveal);
}
.faq__tab[aria-selected="true"] {
    color: #ffffff;
    border-color: transparent;
}
.faq__tab[aria-selected="true"]::before { transform: translateY(0); }

.faq__list {
    max-width: 780px;
    margin: clamp(1.8rem, 3.5vw, 2.6rem) auto 0;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    transition: opacity 0.3s ease, transform 0.3s ease;
}
.faq__list.is-changing {
    opacity: 0;
    transform: translateY(15px);
}

.frow {
    border: 1px solid var(--border);
    border-radius: var(--r-small);
    background: #ffffff;
    overflow: hidden;
    transition: box-shadow 0.35s ease, border-color 0.35s ease;
}
.frow.is-open {
    border-color: rgba(31, 122, 224, 0.35);
    box-shadow: 0 10px 30px rgba(31, 122, 224, 0.08);
}

.frow__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    width: 100%;
    padding: 1.05rem 1.3rem;
    border: none;
    background: transparent;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink);
    text-align: start;
    cursor: pointer;
}
.frow__chev {
    flex-shrink: 0;
    width: 20px; height: 20px;
    color: var(--accent);
    transition: transform 0.45s var(--ease-spring);
}
.frow.is-open .frow__chev { transform: rotate(180deg); }

.frow__answer {
    height: 0;
    overflow: hidden;
    transition: height 0.45s var(--ease-reveal);
}
.frow__answer-inner {
    padding: 0 1.3rem 1.2rem;
    color: var(--muted-2);
    font-size: 0.96rem;
    line-height: 1.7;
}

@media (prefers-reduced-motion: reduce) {
    .faq__tab::before, .frow__answer, .frow__chev, .faq__list { transition: none; }
}