/**
 * FAQ Module - Hub Page Styles (faq-hub.css)
 *
 * Uses gestalt design tokens (gestalt-variables.css).
 * Follows prefixed BEM: faq-{block}__{element}
 *
 * Layout mirrors the blog listing pattern (blg-blog.css):
 * frosted-glass section container > filter bar > card grid.
 *
 * Part of the FAQ Module (faq- prefix).
 */

/* Hero section */
.hero-section {
    padding: var(--space-xl) 0;
    padding-bottom: 0;
    color: var(--color-text);
    position: relative;
    overflow: hidden;
}

.hero-title {
    font-size: var(--font-3xl);
    font-weight: var(--font-semibold);
    color: var(--color-text);
    position: relative;
    overflow: hidden;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    font-weight: var(--font-normal);
    max-width: 800px;
    margin: 0 auto;
}

/* -----------------------------------------------
   Section container (matches blg-section pattern)
   ----------------------------------------------- */
.faq-section {
    padding: 40px 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    box-shadow: var(--elevation-3);
    border: 1px solid rgba(255, 255, 255, 0.3);
    margin: 30px 0;
    transition: transform var(--transition-slow);
}

.faq-section__content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* -----------------------------------------------
   Filter bar (matches blg-filter-bar pattern)
   ----------------------------------------------- */
.faq-filter-bar {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.faq-filter-bar__search {
    flex: 1;
    min-width: 200px;
    position: relative;
}

.faq-filter-bar__icon {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-light);
    pointer-events: none;
    z-index: 1;
}

.faq-filter-bar__search .form-control {
    padding-left: 2.5rem;
}

.faq-filter-bar__clear {
    color: var(--color-danger);
    text-decoration: none;
    font-size: var(--font-sm);
    white-space: nowrap;
}

.faq-filter-bar__clear:hover {
    text-decoration: underline;
}

/* -----------------------------------------------
   FAQ cards grid
   ----------------------------------------------- */
.faq-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    padding: var(--space-sm);
}

.faq-card {
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    box-shadow: var(--elevation-1);
    transition: all var(--transition-base);
    border: 1px solid var(--color-border);
    flex: 1 1 calc(50% - var(--space-md));
    min-width: 280px;
    padding: var(--space-lg);
}

.faq-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--elevation-2);
}

.faq-card__question {
    font-size: var(--font-lg);
    font-weight: var(--font-semibold);
    color: var(--color-text);
    margin: 0 0 var(--space-sm) 0;
    line-height: 1.4;
}

.faq-card__question a {
    color: var(--color-text);
    text-decoration: none;
}

.faq-card__question a:hover {
    color: var(--color-primary);
}

.faq-card__source {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-sm);
    color: var(--color-text-secondary);
}

.faq-card__source i {
    color: var(--color-primary);
    font-size: var(--font-sm);
}

.faq-card__source a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: var(--font-medium);
}

.faq-card__source a:hover {
    text-decoration: underline;
}

/* -----------------------------------------------
   No results
   ----------------------------------------------- */
.faq-no-results {
    text-align: center;
    padding: var(--space-3xl) var(--space-lg);
    color: var(--color-text-light);
}

.faq-no-results .fas {
    font-size: var(--font-3xl);
    margin-bottom: var(--space-md);
}

.faq-no-results p {
    font-size: var(--font-lg);
    margin: 0;
}

/* -----------------------------------------------
   Responsive
   ----------------------------------------------- */
@media (max-width: 768px) {
    .faq-card {
        flex: 1 1 100%;
    }

    .faq-section {
        margin: 20px 15px;
    }

    .faq-filter-bar {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (prefers-reduced-motion: reduce) {
    .faq-card,
    .faq-section {
        transition: none;
        transform: none;
    }
}