/* ═══════════════════════════════════════════════════════════════
   faq.css — FAQ page styles
   ═══════════════════════════════════════════════════════════════ */

.faq-main {
    padding-top: 70px;
}

/* ─── Hero ──────────────────────────────────────────────────── */

.faq-hero {
    padding: 60px 0 48px;
    text-align: center;
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-surface);
}

.faq-hero h1 {
    font-family: var(--font-tech);
    font-size: clamp(26px, 4vw, 44px);
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--text-primary);
    margin: 12px 0 12px;
    line-height: 1.2;
}

.faq-hero-sub {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* ─── Search box ─────────────────────────────────────────────────── */

.faq-search-wrap {
    position: relative;
    max-width: 560px;
    margin: 0 auto 28px;
}

.faq-search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 14px;
    pointer-events: none;
}

.faq-search {
    width: 100%;
    padding: 13px 44px 13px 44px;
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
    background: var(--bg-base);
    font-size: 14.5px;
    font-family: var(--font-body);
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-shadow: var(--shadow-soft);
}

.faq-search::placeholder {
    color: var(--text-muted);
}

.faq-search:focus {
    border-color: rgba(37, 99, 235, 0.4);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.08);
    background: var(--bg-surface);
}

.faq-search-clear {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    cursor: pointer;
    font-size: 13px;
    display: none;
    padding: 4px;
    border-radius: 4px;
    transition: color 0.2s;
}

.faq-search-clear:hover {
    color: var(--text-primary);
}

.faq-search-clear.visible {
    display: flex;
}

/* ─── Category nav ──────────────────────────────────────────────── */

.faq-cats {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.faq-cat {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 99px;
    border: 1px solid var(--border-subtle);
    background: var(--bg-base);
    color: var(--text-secondary);
    font-size: 13.5px;
    font-family: var(--font-tech);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.faq-cat i {
    font-size: 12px;
}

.faq-cat:hover {
    border-color: var(--border-highlight);
    color: var(--text-primary);
    background: var(--bg-surface);
}

.faq-cat.active {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

/* ─── FAQ body ──────────────────────────────────────────────── */

.faq-body {
    padding: 48px 0 80px;
}

/* ─── No search results ─────────────────────────────────────────────── */

.faq-no-result {
    text-align: center;
    padding: 64px 0;
    color: var(--text-muted);
}

.faq-no-result i {
    font-size: 40px;
    margin-bottom: 16px;
    display: block;
    opacity: 0.5;
}

.faq-no-result p {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.faq-no-result span {
    font-size: 14px;
}

.faq-no-result a {
    color: var(--accent-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* ─── Category sections ──────────────────────────────────────────────── */

.faq-section {
    margin-bottom: 48px;
}

.faq-section[hidden] {
    display: none;
}

.faq-section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-subtle);
}

.faq-section-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(37, 99, 235, 0.07);
    border: 1px solid rgba(37, 99, 235, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-size: 14px;
    flex-shrink: 0;
}

.faq-section-header h2 {
    font-family: var(--font-tech);
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    flex: 1;
}

.faq-count {
    font-size: 12px;
    color: var(--text-muted);
    background: var(--bg-base);
    border: 1px solid var(--border-subtle);
    padding: 3px 9px;
    border-radius: 99px;
    white-space: nowrap;
}

/* ─── FAQ items ──────────────────────────────────────────────── */

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.faq-item {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-shadow: var(--shadow-soft);
}

.faq-item[open] {
    border-color: rgba(37, 99, 235, 0.18);
    box-shadow: var(--shadow-hover);
}

.faq-item[hidden] {
    display: none;
}

.faq-item.search-highlight {
    border-color: rgba(37, 99, 235, 0.3);
}

.faq-item summary {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    font-size: 14.5px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    list-style: none;
    user-select: none;
    transition: color 0.2s, background 0.15s;
}

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

.faq-item summary:hover {
    color: var(--accent-primary);
    background: var(--bg-base);
}

.faq-chevron {
    font-size: 11px;
    color: var(--text-muted);
    flex-shrink: 0;
    transition: transform 0.25s;
}

.faq-item[open] .faq-chevron {
    transform: rotate(90deg);
    color: var(--accent-primary);
}

/* ─── FAQ answers ──────────────────────────────────────────────── */

.faq-answer {
    padding: 0 20px 20px 42px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.faq-answer p {
    margin: 0 0 10px;
}

.faq-answer ul,
.faq-answer ol {
    padding-left: 18px;
    margin: 8px 0 10px;
}

.faq-answer li {
    margin-bottom: 6px;
    line-height: 1.7;
}

.faq-answer strong {
    color: var(--text-primary);
    font-weight: 600;
}

.faq-answer a {
    color: var(--accent-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.faq-answer code {
    font-family: 'JetBrains Mono', 'Fira Code', 'Menlo', monospace;
    font-size: 12.5px;
    background: var(--bg-base);
    color: #D97706;
    padding: 2px 6px;
    border-radius: 5px;
    border: 1px solid var(--border-subtle);
}

/* ─── Code blocks ─────────────────────────────────────────────────── */

.faq-code {
    background: #F8FAFC;
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    padding: 14px 16px;
    margin: 10px 0;
    overflow-x: auto;
    font-family: 'JetBrains Mono', 'Fira Code', 'Menlo', monospace;
    font-size: 12.5px;
    color: #334155;
    line-height: 1.8;
    white-space: pre;
}

/* ─── Callout boxes ─────────────────────────────────────────────────── */

.faq-tip {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 10px;
    background: rgba(16, 185, 129, 0.05);
    border-left: 3px solid rgba(16, 185, 129, 0.35);
    font-size: 13.5px;
    color: var(--text-secondary);
    margin-top: 12px;
    line-height: 1.65;
}

.faq-tip i {
    color: var(--accent-secondary);
    font-size: 13px;
    flex-shrink: 0;
    margin-top: 2px;
}

/* ─── Bottom nav ──────────────────────────────────────────────── */

.faq-footer-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 64px;
    padding-top: 40px;
    border-top: 1px solid var(--border-subtle);
}

.faq-nav-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 14px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.25s;
    box-shadow: var(--shadow-soft);
}

.faq-nav-card:hover {
    border-color: rgba(37, 99, 235, 0.2);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.faq-nav-card > i:first-child {
    font-size: 22px;
    color: var(--accent-primary);
    flex-shrink: 0;
}

.faq-nav-card div {
    flex: 1;
}

.faq-nav-card strong {
    display: block;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 3px;
}

.faq-nav-card span {
    font-size: 13px;
    color: var(--text-muted);
}

.faq-nav-arrow {
    font-size: 12px;
    color: var(--text-muted);
    flex-shrink: 0;
}

/* ─── Responsive ─────────────────────────────────────────────────── */

@media (max-width: 768px) {
    .faq-main {
        padding-top: 0;
    }

    .faq-hero {
        padding: 92px 0 36px;
    }

    .faq-hero h1 {
        font-size: 36px;
    }

    .faq-cats {
        gap: 6px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex-wrap: nowrap;
        justify-content: flex-start;
        margin-left: -16px;
        margin-right: -16px;
        padding-left: 16px;
        padding-right: 16px;
        padding-bottom: 2px;
    }

    .faq-cat {
        font-size: 12.5px;
        padding: 7px 13px;
        flex-shrink: 0;
    }

    .faq-footer-nav {
        grid-template-columns: 1fr;
    }

    .faq-answer {
        padding-left: 20px;
    }

}

@media (max-width: 480px) {
    .faq-search-wrap {
        max-width: 100%;
    }

    .faq-item summary {
        font-size: 13.5px;
        padding: 14px 16px;
    }

    .faq-code {
        font-size: 11.5px;
    }
}

@media (max-width: 380px) {
    .faq-hero h1 { font-size: 22px; }
    .faq-cat { white-space: nowrap; }
    .faq-item summary { font-size: 13px; }
}