/* ===================================
   FAQ — shared semantic standard
   =================================== */

.faq-section {
    padding: var(--space-4xl) 0;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-list,
.faq-accordion {
    border-top: 1px solid var(--color-gray-200);
}

/*
 * Some older blog bundles automatically add .faq-accordion to FAQ sections.
 * Keep the canonical shared treatment one-column even when that compatibility
 * class is present, instead of inheriting the old two-column grid.
 */
.faq-section.faq-accordion {
    display: block;
    grid-template-columns: none;
    gap: 0;
}

/*
 * Canonical markup uses native <details class="faq-item"> and <summary>.
 * Legacy button-based .faq-question markup remains supported during migration.
 */
.faq-section .faq-item {
    margin: 0;
    padding: 0;
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--color-gray-200);
    overflow: visible;
}

.faq-section details.faq-item > summary,
.faq-section .faq-question {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    padding: var(--space-lg) 2.75rem var(--space-lg) 0;
    background: transparent;
    border: 0;
    color: var(--color-gray-900);
    cursor: pointer;
    text-align: left;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
    list-style: none;
}

.faq-section details.faq-item > summary::-webkit-details-marker {
    display: none;
}

.faq-section details.faq-item > summary::after {
    content: '+';
    position: absolute;
    top: 50%;
    right: 0;
    width: 1.5rem;
    height: 1.5rem;
    display: grid;
    place-items: center;
    color: var(--color-gray-500);
    font-size: 1.25rem;
    font-weight: 400;
    line-height: 1;
    transform: translateY(-50%);
}

.faq-section details.faq-item[open] > summary::after {
    content: '\2212';
    color: var(--color-primary);
}

.faq-section details.faq-item > summary:hover,
.faq-section .faq-question:hover {
    color: var(--color-primary);
}

.faq-section details.faq-item > summary:focus-visible,
.faq-section .faq-question:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 4px;
}

/* Legacy button accordions may wrap the label in a span and include an SVG. */
.faq-section .faq-question span {
    color: inherit;
    font: inherit;
}

.faq-section .faq-question svg {
    flex-shrink: 0;
    color: var(--color-gray-400);
    transition: transform 180ms ease;
}

.faq-section .faq-item.active .faq-question svg {
    transform: rotate(180deg);
    color: var(--color-primary);
}

.faq-section .faq-answer {
    max-height: none;
    overflow: visible;
    padding: 0 2.75rem var(--space-lg) 0;
    transition: none;
}

/* Legacy closed state only. Native details handles visibility itself. */
.faq-section .faq-item:not(details) .faq-answer {
    display: none;
}

.faq-section .faq-item:not(details).active .faq-answer {
    display: block;
}

.faq-section .faq-answer p,
.faq-section .faq-answer ul,
.faq-section .faq-answer ol {
    margin: 0;
    color: var(--color-gray-600);
    font-size: 0.9375rem;
    line-height: 1.75;
}

/* Older shared bundles add paragraph padding inside .faq-answer. */
.faq-section .faq-answer p {
    padding: 0;
}

.faq-section .faq-answer p + p,
.faq-section .faq-answer p + ul,
.faq-section .faq-answer p + ol {
    margin-top: var(--space-sm);
}

.faq-section .faq-answer strong {
    color: var(--color-gray-900);
}

@media (max-width: 768px) {
    .faq-section details.faq-item > summary,
    .faq-section .faq-question {
        padding-top: var(--space-md);
        padding-bottom: var(--space-md);
        padding-right: 2.25rem;
        font-size: 0.9375rem;
    }

    .faq-section .faq-answer {
        padding-right: 0;
        padding-bottom: var(--space-md);
    }
}

@media (prefers-reduced-motion: reduce) {
    .faq-section .faq-question svg {
        transition: none;
    }
}