/* Shared FAQ styles — home + contact (identical top-level rules only) */

.rstc-home-faq__head,
.rstc-contact-faq__head {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    justify-content: space-between;
    gap: 20px 28px;
    margin-bottom: 28px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(31, 42, 46, 0.1);
}

.rstc-home-faq__head h2,
.rstc-contact-faq__head h2 {
    margin: 0 0 8px;
    font-family: var(--font-family-BeVietnam), "Be Vietnam Pro", sans-serif;
    font-size: clamp(1.55rem, 2.4vw, 2.1rem);
    color: #1f2a2e;
    letter-spacing: -0.02em;
}

.rstc-home-faq__head p,
.rstc-contact-faq__head p {
    margin: 0;
    max-width: 48ch;
    color: #55605b;
    line-height: 1.65;
    font-size: 15px;
}

.rstc-home-faq__filters,
.rstc-contact-faq__filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
}

.rstc-home-faq__filter,
.rstc-contact-faq__filter {
    appearance: none;
    border: 0;
    background: transparent;
    padding: 6px 0;
    color: #55605b;
    font-size: 13px;
    font-weight: 600;
    position: relative;
    cursor: pointer;
}

.rstc-home-faq__filter::after,
.rstc-contact-faq__filter::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background: var(--rstc-green);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .22s ease;
}

.rstc-home-faq__filter:hover,
        .rstc-home-faq__filter.is-active,
.rstc-contact-faq__filter:hover,
        .rstc-contact-faq__filter.is-active {
    color: #1f2a2e;
}

.rstc-home-faq__filter.is-active::after,
        .rstc-home-faq__filter:hover::after,
.rstc-contact-faq__filter.is-active::after,
        .rstc-contact-faq__filter:hover::after {
    transform: scaleX(1);
}

.rstc-home-faq__list,
.rstc-contact-faq__list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.rstc-home-faq__item,
.rstc-contact-faq__item {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(31, 42, 46, 0.08);
    box-shadow: 0 10px 28px rgba(16, 20, 16, 0.03);
}

.rstc-home-faq__item[hidden],
.rstc-contact-faq__item[hidden] {
    display: none !important;
}

.rstc-home-faq__item summary,
.rstc-contact-faq__item summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 18px 48px 18px 18px;
    position: relative;
    color: #1f2a2e;
    font-weight: 600;
}

.rstc-home-faq__item summary::-webkit-details-marker,
.rstc-contact-faq__item summary::-webkit-details-marker {
    display: none;
}

.rstc-home-faq__item summary::after,
.rstc-contact-faq__item summary::after {
    content: "+";
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--rstc-green-deep);
    font-size: 1.25rem;
    font-weight: 500;
}

.rstc-home-faq__item[open] summary::after,
.rstc-contact-faq__item[open] summary::after {
    content: "–";
}

.rstc-home-faq__num,
.rstc-contact-faq__num {
    min-width: 1.6em;
    color: var(--rstc-green-deep);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    padding-top: 3px;
}

.rstc-home-faq__q,
.rstc-contact-faq__q {
    display: flex;
    flex-direction: column;
    gap: 4px;
    line-height: 1.4;
}

.rstc-home-faq__q em,
.rstc-contact-faq__q em {
    font-style: normal;
    color: var(--rstc-green-deep);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.rstc-home-faq__a,
.rstc-contact-faq__a {
    padding: 0 18px 18px 48px;
    color: #55605b;
    line-height: 1.7;
    font-size: 15px;
}

.rstc-home-faq__a p,
.rstc-contact-faq__a p {
    margin: 0;
}