/**
 * SubZero Theme - FAQ Page Styles
 * Dedicated FAQ page template styling
 *
 * @package SubZero
 */

/* ==========================================================================
   FAQ Hero Section
   ========================================================================== */
.faq-hero {
    position: relative;
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-secondary) 0%, #1a2a35 100%);
    overflow: hidden;
}

.faq-hero__frost-overlay {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

.faq-hero__particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.faq-hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.faq-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(0, 153, 191, 0.2);
    border: 1px solid rgba(0, 153, 191, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.faq-hero__badge svg {
    width: 16px;
    height: 16px;
}

.faq-hero__title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.faq-hero__description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.92);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

/* ==========================================================================
   FAQ Search Box
   ========================================================================== */
.faq-search {
    max-width: 500px;
    margin: 0 auto;
}

.faq-search__wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.faq-search__icon {
    position: absolute;
    left: 1rem;
    color: var(--color-secondary-lighter);
    pointer-events: none;
}

.faq-search__input {
    width: 100%;
    padding: 1rem 3rem 1rem 3rem;
    font-size: 1rem;
    font-family: var(--font-body);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-white);
    transition: border-color var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base);
}

.faq-search__input::placeholder {
    color: rgba(255, 255, 255, 0.88); /* WCAG AA compliant */
}

.faq-search__input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.faq-search__input:focus-visible {
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 4px rgba(0, 153, 191, 0.2);
}

.faq-search__clear {
    position: absolute;
    right: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-full);
    color: var(--color-white);
    cursor: pointer;
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.faq-search__clear:hover {
    background: rgba(255, 255, 255, 0.2);
}

.faq-search__hint {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.85);
    min-height: 1.5rem;
}

/* ==========================================================================
   FAQ Categories Navigation
   ========================================================================== */
.faq-categories-nav,
.faq-categories-nav[data-theme],
.faq-categories-nav[data-theme="light"] {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: var(--spacing-md) 0;
    background: #ffffff !important;
    background-color: #ffffff !important;
    border-bottom: 1px solid var(--color-secondary-pale);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: top 0.3s ease;
    /* Ensure solid background on scroll */
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
}

/* Adjust filter position when header is visible (scrolling up) */
body.header-visible .faq-categories-nav {
    top: 130px;
}

@media (max-width: 768px) {
    body.header-visible .faq-categories-nav {
        top: 120px;
    }
}

@media (max-width: 480px) {
    body.header-visible .faq-categories-nav {
        top: 140px; /* Account for stacked mobile header */
    }
}

.faq-categories__wrapper {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary-light) transparent;
    -webkit-overflow-scrolling: touch;
}

.faq-categories__wrapper::-webkit-scrollbar {
    height: 4px;
}

.faq-categories__wrapper::-webkit-scrollbar-track {
    background: transparent;
}

.faq-categories__wrapper::-webkit-scrollbar-thumb {
    background: var(--color-primary-light);
    border-radius: var(--radius-full);
}

.faq-category-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    background: var(--color-offwhite);
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    cursor: pointer;
    white-space: nowrap;
    transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}

.faq-category-tab svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: var(--color-secondary-lighter);
    transition: color var(--transition-fast);
}

.faq-category-tab:hover {
    background: var(--color-primary-pale);
    color: var(--color-primary);
}

.faq-category-tab:hover svg {
    color: var(--color-primary);
}

.faq-category-tab.is-active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.faq-category-tab.is-active svg {
    color: var(--color-white);
}

.faq-category-tab:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.faq-category-tab.is-active:focus-visible {
    outline: 2px solid var(--color-white);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px var(--color-primary);
}

/* ==========================================================================
   FAQ Content Section
   ========================================================================== */
.faq-content {
    padding: var(--spacing-2xl) 0 var(--spacing-3xl);
    background: var(--color-offwhite);
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-section {
    margin-bottom: var(--spacing-2xl);
}

.faq-section:last-of-type {
    margin-bottom: 0;
}

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

.faq-section__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-primary-pale);
}

.faq-section__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-lg);
    color: var(--color-white);
    flex-shrink: 0;
}

.faq-section__title-wrap {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.faq-section__title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin: 0;
}

.faq-section__count {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* ==========================================================================
   FAQ Accordion - Page Template
   ========================================================================== */
.faq-page .faq-accordion {
    max-width: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.faq-page .faq-item {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.06);
    overflow: hidden;
    transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.faq-page .faq-item:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12), 0 2px 6px rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.1);
}

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

.faq-page .faq-item__question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-family: var(--font-heading);
    font-size: 1.0625rem;
    font-weight: 600;
    text-align: left;
    background: none;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: color var(--transition-fast), background-color var(--transition-fast);
    color: var(--color-secondary);
    gap: var(--spacing-md);
}

.faq-page .faq-item__question:hover {
    background: var(--color-offwhite);
}

.faq-page .faq-item__question-text {
    flex: 1;
}

.faq-page .faq-item__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--color-primary-pale);
    border-radius: var(--radius-full);
    flex-shrink: 0;
    transition: background-color 0.3s ease, transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-page .faq-item__icon svg {
    width: 16px;
    height: 16px;
    stroke: var(--color-primary);
    transition: stroke 0.3s ease;
}

.faq-page .faq-item__question:hover .faq-item__icon {
    background: var(--color-primary);
}

.faq-page .faq-item__question:hover .faq-item__icon svg {
    stroke: var(--color-white);
}

.faq-page .faq-item__question:hover .faq-item__icon svg polyline,
.faq-page .faq-item__question:hover .faq-item__icon svg line,
.faq-page .faq-item__question:hover .faq-item__icon svg path {
    stroke: var(--color-white);
}

.faq-page .faq-item.is-open .faq-item__question {
    background: var(--color-primary-pale);
}

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

.faq-page .faq-item.is-open .faq-item__icon svg {
    stroke: var(--color-white) !important;
    color: var(--color-white);
}

.faq-page .faq-item.is-open .faq-item__icon svg polyline,
.faq-page .faq-item.is-open .faq-item__icon svg line {
    stroke: var(--color-white) !important;
}

.faq-page .faq-item__answer {
    display: grid;
    grid-template-rows: 0fr;
    overflow: hidden;
    transition: grid-template-rows 0.35s cubic-bezier(0.4, 0, 0.2, 1), padding-bottom 0.35s ease;
    padding-bottom: 0;
}

.faq-page .faq-item__answer-content {
    min-height: 0 !important;
    overflow: hidden !important;
    padding: 0 var(--spacing-lg);
    color: var(--color-text);
    line-height: 1.8;
}

.faq-page .faq-item.is-open .faq-item__answer {
    grid-template-rows: 1fr;
    padding-bottom: var(--spacing-lg);
}

.faq-page .faq-item.is-open .faq-item__answer-content {
    overflow: visible !important;
}

.faq-page .faq-item__answer-content p {
    margin-bottom: var(--spacing-sm);
}

.faq-page .faq-item__answer-content p:last-child {
    margin-bottom: 0;
}

.faq-page .faq-item__answer-content ul,
.faq-page .faq-item__answer-content ol {
    margin: var(--spacing-sm) 0;
    padding-left: 1.5rem;
}

.faq-page .faq-item__answer-content li {
    margin-bottom: 0.5rem;
}

/* ==========================================================================
   FAQ No Results
   ========================================================================== */
.faq-no-results {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.faq-no-results__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-md);
    background: var(--color-primary-pale);
    border-radius: var(--radius-full);
    color: var(--color-primary);
}

.faq-no-results h3 {
    font-size: 1.25rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.faq-no-results p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

/* ==========================================================================
   FAQ Empty State
   ========================================================================== */
.faq-empty {
    text-align: center;
    padding: var(--spacing-3xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
}

/* ==========================================================================
   FAQ CTA Section
   ========================================================================== */
.faq-cta {
    position: relative;
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-secondary) 100%);
    overflow: hidden;
}

.faq-cta__bg {
    position: absolute;
    inset: 0;
}

.faq-cta__frost-overlay {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

.faq-cta__particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.faq-cta__content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.faq-cta__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin-bottom: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    color: var(--color-white);
}

.faq-cta__title {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.faq-cta__text {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.92);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.faq-cta__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
}

.faq-cta__phone {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-white);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.faq-cta__phone:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
}

.faq-cta__phone svg {
    flex-shrink: 0;
}

/* ==========================================================================
   FAQ Page Responsive
   ========================================================================== */
@media (max-width: 768px) {
    .faq-hero {
        padding: var(--spacing-2xl) 0;
    }

    .faq-hero__title {
        font-size: 2rem;
    }

    .faq-category-tab {
        padding: 0.5rem 0.875rem;
        font-size: 0.8125rem;
    }

    .faq-category-tab svg {
        width: 16px;
        height: 16px;
    }

    .faq-section__header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .faq-section__icon {
        width: 48px;
        height: 48px;
    }

    .faq-section__icon svg {
        width: 24px;
        height: 24px;
    }

    .faq-page .faq-item__question {
        padding: var(--spacing-md);
        font-size: 1rem;
    }

    .faq-page .faq-item__answer-content {
        padding: 0 var(--spacing-md) var(--spacing-md);
    }

    .faq-cta__actions {
        flex-direction: column;
    }

    .faq-cta__phone {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .faq-hero__description {
        font-size: 1rem;
    }

    .faq-search__input {
        padding: 0.875rem 2.5rem;
        font-size: 0.9375rem;
    }

    .faq-category-tab span {
        display: none;
    }

    .faq-category-tab {
        padding: 0.625rem;
    }

    .faq-section__title {
        font-size: 1.25rem;
    }

    .faq-page .faq-item__question {
        font-size: 0.9375rem;
        gap: var(--spacing-sm);
    }

    .faq-page .faq-item__icon {
        width: 28px;
        height: 28px;
    }

    .faq-page .faq-item__icon svg {
        width: 16px;
        height: 16px;
    }
}

/* ==========================================================================
   FAQ Print Styles
   ========================================================================== */
@media print {
    .faq-categories-nav,
    .faq-search,
    .faq-cta {
        display: none !important;
    }

    .faq-hero {
        min-height: auto;
        padding: 2rem 0;
        background: #f5f5f5 !important;
    }

    .faq-hero__title {
        color: #000 !important;
    }

    .faq-page .faq-item__answer {
        grid-template-rows: 1fr !important;
    }

    .faq-page .faq-item__icon {
        display: none;
    }
}

/* ==========================================================================
   Reduced Motion Support
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    .faq-hero__particles .ice-particle,
    .faq-item,
    .faq-category-tab,
    .faq-search__input {
        animation: none !important;
        transition: none !important;
    }

    .faq-item__answer {
        transition: none !important;
    }
}