/**
 * FAQ page — real-time search & filters
 */

.usl-faq-page {
    --faq-navy: var(--usl-primary-dark, #0f172a);
    --faq-blue: var(--usl-primary, #1e3a8a);
    --faq-gold: var(--usl-accent, #fbbf24);
    --faq-surface: #f8fafc;
    --faq-card: #ffffff;
    --faq-muted: #64748b;
    --faq-border: rgba(15, 23, 42, 0.08);
    color: #0f172a;
}

/* Hero */
.faq-hero {
    position: relative;
    overflow: hidden;
    padding: 4.25rem 0 3.5rem;
    background:
        radial-gradient(ellipse 75% 55% at 15% 0%, rgba(251, 191, 36, 0.16), transparent 55%),
        radial-gradient(ellipse 65% 50% at 100% 100%, rgba(96, 165, 250, 0.18), transparent 50%),
        linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #172554 100%);
    color: #fff;
}

.faq-hero__inner {
    position: relative;
    z-index: 1;
    max-width: 52rem;
    margin: 0 auto;
    padding: 0 1.5rem;
    text-align: center;
}

.faq-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.9rem;
    margin-bottom: 1rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #fde68a;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 999px;
}

.faq-hero__title {
    font-size: clamp(2rem, 4.5vw, 3rem);
    font-weight: 800;
    line-height: 1.1;
    margin: 0 0 0.75rem;
    letter-spacing: -0.02em;
}

.faq-hero__lead {
    margin: 0 0 1.75rem;
    font-size: clamp(1rem, 2vw, 1.15rem);
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.9);
}

.faq-hero__search {
    position: relative;
    max-width: 36rem;
    margin: 0 auto;
}

.faq-hero__search i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    pointer-events: none;
}

.faq-hero__search input {
    width: 100%;
    padding: 0.95rem 3rem 0.95rem 2.75rem;
    font-size: 1rem;
    border: none;
    border-radius: 0.85rem;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
    color: #0f172a;
}

.faq-hero__search input:focus {
    outline: 2px solid #fbbf24;
    outline-offset: 2px;
}

.faq-hero__search kbd {
    position: absolute;
    right: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    padding: 0.15rem 0.45rem;
    font-size: 0.68rem;
    font-family: inherit;
    color: #64748b;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    border-radius: 0.35rem;
}

.faq-hero__hint {
    margin: 0.65rem 0 0;
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.65);
}

/* Toolbar */
.faq-toolbar {
    position: sticky;
    top: 0;
    z-index: 25;
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid var(--faq-border);
    backdrop-filter: blur(10px);
    padding: 0.85rem 0;
}

.faq-toolbar__inner {
    max-width: 72rem;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.faq-toolbar__row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.65rem;
}

.faq-live-status {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: #334155;
}

.faq-live-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 999px;
    background: #22c55e;
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
    animation: faq-pulse 2s infinite;
}

@keyframes faq-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.45); }
    50% { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}

.faq-toolbar__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.faq-tool-btn {
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: #475569;
    background: var(--faq-surface);
    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.faq-tool-btn:hover {
    color: var(--faq-blue);
    border-color: rgba(30, 58, 138, 0.25);
}

.faq-category-pills {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.45rem;
    overflow-x: auto;
    padding-bottom: 0.2rem;
    scrollbar-width: none;
}

.faq-category-pills::-webkit-scrollbar {
    display: none;
}

.faq-cat-pill {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.42rem 0.85rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: #334155;
    background: var(--faq-surface);
    border: 1px solid #e2e8f0;
    border-radius: 999px;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.faq-cat-pill:hover {
    border-color: rgba(30, 58, 138, 0.25);
    color: var(--faq-blue);
}

.faq-cat-pill.is-active {
    background: var(--faq-blue);
    border-color: var(--faq-blue);
    color: #fff;
}

.faq-cat-pill__count {
    padding: 0.1rem 0.4rem;
    font-size: 0.65rem;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.08);
}

.faq-cat-pill.is-active .faq-cat-pill__count {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

/* Layout */
.faq-container {
    max-width: 72rem;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.faq-section {
    padding: 3rem 0;
}

.faq-section--alt {
    background: var(--faq-surface);
}

/* Featured */
.faq-featured {
    padding: 2.5rem 0 0;
}

.faq-featured__head {
    margin-bottom: 1.25rem;
}

.faq-featured__head h2 {
    margin: 0 0 0.35rem;
    font-size: 1.2rem;
    font-weight: 800;
}

.faq-featured__head p {
    margin: 0;
    font-size: 0.88rem;
    color: var(--faq-muted);
}

.faq-featured-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.85rem;
}

@media (min-width: 768px) {
    .faq-featured-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.faq-featured-card {
    padding: 1.1rem 1.15rem;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.06), rgba(30, 58, 138, 0.02));
    border: 1px solid rgba(30, 58, 138, 0.12);
    border-left: 4px solid var(--faq-blue);
    border-radius: 0.9rem;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.faq-featured-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

.faq-featured-card__q {
    margin: 0 0 0.45rem;
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.4;
    color: #0f172a;
}

.faq-featured-card__a {
    margin: 0;
    font-size: 0.82rem;
    line-height: 1.55;
    color: #475569;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Category blocks */
.faq-category-block {
    margin-bottom: 2.5rem;
}

.faq-category-block.is-hidden {
    display: none;
}

.faq-category-block__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding-bottom: 0.65rem;
    border-bottom: 2px solid var(--faq-blue);
}

.faq-category-block__head h2 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 800;
}

.faq-category-block__count {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--faq-muted);
}

/* Accordion */
.faq-accordion {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.faq-item {
    background: var(--faq-card);
    border: 1px solid var(--faq-border);
    border-radius: 0.9rem;
    overflow: hidden;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.04);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item.is-hidden {
    display: none;
}

.faq-item.is-open {
    border-color: rgba(30, 58, 138, 0.22);
    box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
}

.faq-item__summary {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.85rem;
    padding: 1rem 1.15rem;
    cursor: pointer;
    list-style: none;
}

.faq-item__summary::-webkit-details-marker {
    display: none;
}

.faq-item__question {
    flex: 1;
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.45;
    color: #0f172a;
}

.faq-item__icon {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 0.45rem;
    color: var(--faq-blue);
    background: rgba(30, 58, 138, 0.08);
    transition: transform 0.25s ease, background 0.2s ease;
}

.faq-item.is-open .faq-item__icon {
    transform: rotate(180deg);
    background: var(--faq-blue);
    color: #fff;
}

.faq-item__body {
    padding: 0 1.15rem 1rem;
}

.faq-item__answer {
    font-size: 0.9rem;
    line-height: 1.65;
    color: #475569;
}

.faq-item__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.85rem;
    padding-top: 0.75rem;
    border-top: 1px dashed #e2e8f0;
    font-size: 0.72rem;
    font-weight: 600;
    color: #94a3b8;
}

.faq-item__meta i {
    margin-right: 0.25rem;
    color: var(--faq-blue);
}

.faq-highlight {
    background: #fef08a;
    color: #0f172a;
    padding: 0 0.12rem;
    border-radius: 0.15rem;
}

/* Empty state */
.faq-empty {
    display: none;
    text-align: center;
    padding: 3rem 1.5rem;
    background: #fff;
    border: 1px dashed #cbd5e1;
    border-radius: 1.15rem;
}

.faq-empty.is-visible {
    display: block;
}

.faq-empty i {
    font-size: 2.5rem;
    color: #cbd5e1;
    margin-bottom: 0.85rem;
}

.faq-empty h3 {
    margin: 0 0 0.45rem;
    font-size: 1.15rem;
    font-weight: 800;
}

.faq-empty p {
    margin: 0 0 1rem;
    color: var(--faq-muted);
    font-size: 0.92rem;
}

/* Help CTA */
.faq-help {
    padding: 4rem 0;
    background: linear-gradient(160deg, #0f172a 0%, #1e3a8a 100%);
    color: #fff;
}

.faq-help__inner {
    max-width: 52rem;
    margin: 0 auto;
    padding: 0 1.5rem;
    text-align: center;
}

.faq-help h2 {
    margin: 0 0 0.55rem;
    font-size: clamp(1.4rem, 3vw, 1.85rem);
    font-weight: 800;
}

.faq-help > .faq-help__inner > p {
    margin: 0 0 1.5rem;
    color: rgba(255, 255, 255, 0.88);
    line-height: 1.6;
}

.faq-help__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.65rem;
}

.faq-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.7rem 1.25rem;
    font-size: 0.88rem;
    font-weight: 600;
    border-radius: 0.6rem;
    text-decoration: none;
    transition: transform 0.2s ease;
}

.faq-btn:hover {
    transform: translateY(-2px);
}

.faq-btn--primary {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: #0f172a;
}

.faq-btn--ghost {
    border: 2px solid rgba(255, 255, 255, 0.45);
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.faq-btn--ghost:hover {
    color: #fff;
}