/*
 * firms-depth.css - SEO depth block on the canonical /firms catalog page.
 * Crawlable "how we rank" intro + a data-driven FAQ. White cards, dark text
 * (OPAQUE-BACKGROUND RULE): the purple page gradient never bleeds through.
 */

.firms-depth {
    background: var(--color-surface-card, #ffffff);
    border: 1px solid var(--color-border-light, #e5e7eb);
    border-radius: 14px;
    padding: 28px 28px 20px;
    margin-bottom: 32px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.firms-depth__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary, #1a1a2e);
    margin: 0 0 14px;
}

.firms-depth__title--faq {
    margin-top: 26px;
    padding-top: 22px;
    border-top: 1px solid var(--color-border-light, #e5e7eb);
}

.firms-depth__lead {
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--color-text-mid, #444);
    margin: 0 0 14px;
}

.firms-depth__lead:last-of-type {
    margin-bottom: 0;
}

/* FAQ accordion */
.firms-faq {
    margin-top: 4px;
}

.firms-faq__item {
    background: var(--color-surface-card, #ffffff);
    border: 1px solid var(--color-border-light, #e5e7eb);
    border-radius: 10px;
    margin-bottom: 8px;
    overflow: hidden;
}

.firms-faq__q {
    padding: 15px 18px;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-text-primary, #1a1a2e);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background 0.15s ease;
}

.firms-faq__q::-webkit-details-marker {
    display: none;
}

.firms-faq__q::after {
    content: '+';
    font-size: 1.2rem;
    color: var(--color-text-hint, #9ca3af);
    flex-shrink: 0;
    margin-left: 12px;
    transition: transform 0.2s ease;
}

.firms-faq__item[open] .firms-faq__q::after {
    content: '\2212';
    color: var(--color-primary, #6366f1);
}

.firms-faq__q:hover {
    background: var(--color-surface-warm, #f8f9fa);
}

.firms-faq__q:focus-visible {
    outline: 2px solid var(--color-primary, #6366f1);
    outline-offset: -2px;
}

.firms-faq__a {
    padding: 0 18px 15px;
    font-size: 0.88rem;
    color: var(--color-text-mid, #444);
    line-height: 1.7;
}

@media (max-width: 560px) {
    .firms-depth {
        padding: 20px 18px 14px;
    }
    .firms-depth__title {
        font-size: 1.12rem;
    }
}

/* All Tracked Firms directory - flat crawlable link grid (indexation mesh) */
.firms-directory {
    list-style: none;
    margin: 4px 0 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 6px 18px;
}

.firms-directory__item {
    margin: 0;
    min-width: 0;
}

.firms-directory__link {
    display: block;
    padding: 6px 4px;
    font-size: 0.9rem;
    line-height: 1.4;
    color: var(--color-primary, #6366f1);
    text-decoration: none;
    border-radius: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: background 0.15s ease, color 0.15s ease;
}

.firms-directory__link:hover,
.firms-directory__link:focus-visible {
    background: var(--color-surface-warm, #f8f9fa);
    color: var(--color-primary-dark, #4f46e5);
    text-decoration: underline;
    outline: none;
}

@media (max-width: 560px) {
    .firms-directory {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }
}

@media (prefers-reduced-motion: reduce) {
    .firms-faq__q,
    .firms-faq__q::after,
    .firms-directory__link {
        transition: none;
    }
}