/**
 * NQT Pages — Hub, Feature Cards, Explainer, Trust
 * Follows QuickTools design tokens from tokens.css
 * Mobile-first · Dark mode aware
 */

/* ═══ COMMON ═══ */
.nqt-ico-inline {
    display: inline-block;
    vertical-align: middle;
    flex-shrink: 0;
}
.nqt-hub .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}
.nqt-hub .section-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}
.nqt-hub .section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--font-size-base);
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.nqt-section {
    padding: var(--space-12) 0;
}

/* ═══ HERO ═══ */
.nqt-hero {
    text-align: center;
    padding: var(--space-12) 0 var(--space-8);
    background: linear-gradient(180deg, var(--accent-bg) 0%, transparent 100%);
}
.nqt-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-4);
    background: var(--success-bg);
    color: var(--success);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-5);
}
.nqt-hero__title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    line-height: 1.2;
}
.nqt-hero__logo {
    color: var(--accent);
}
.nqt-hero__subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 550px;
    margin: 0 auto var(--space-8);
    line-height: 1.6;
}
.nqt-hero__cta {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
    flex-wrap: wrap;
}
@media (max-width: 640px) {
    .nqt-hero { padding: var(--space-8) 0 var(--space-6); }
    .nqt-hero__title { font-size: var(--font-size-2xl); flex-direction: column; gap: var(--space-2); }
    .nqt-hero__subtitle { font-size: var(--font-size-base); }
    .nqt-hero__cta { flex-direction: column; align-items: center; }
    .nqt-hero__cta .btn { width: 100%; max-width: 320px; }
}

/* ═══ LIVE STATS BAR ═══ */
.nqt-live-stats {
    padding: var(--space-6) 0;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-secondary);
}
.nqt-live-stats__grid {
    display: flex;
    justify-content: center;
    gap: var(--space-10);
    flex-wrap: wrap;
}
.nqt-live-stat {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
}
.nqt-live-stat__icon {
    font-size: 24px;
}
.nqt-live-stat__value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--accent);
}
.nqt-live-stat__label {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
@media (max-width: 640px) {
    .nqt-live-stats__grid { gap: var(--space-6); }
    .nqt-live-stat__value { font-size: var(--font-size-lg); }
}

/* ═══ DUAL CURRENCY EXPLAINER ═══ */
.nqt-explainer {
    background: var(--bg-primary);
}
.nqt-dual-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
    position: relative;
}
.nqt-dual-card {
    background: var(--bg-elevated);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    position: relative;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.nqt-dual-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}
.nqt-dual-card--qc {
    border-top: 3px solid #F59E0B;
}
.nqt-dual-card--nqt {
    border-top: 3px solid var(--accent);
}
.nqt-dual-card__header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}
.nqt-dual-card__header h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
}
.nqt-dual-card--qc .nqt-dual-card__header svg { color: #F59E0B; }
.nqt-dual-card--nqt .nqt-dual-card__header svg { color: var(--accent); }

.nqt-dual-card__tag {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-bottom: var(--space-4);
}
.nqt-dual-card__tag--activity {
    background: rgba(245, 158, 11, 0.12);
    color: #D97706;
}
.nqt-dual-card__tag--value {
    background: var(--accent-bg);
    color: var(--accent-text);
}
.nqt-dual-card__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}
.nqt-dual-card__list li {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    padding-left: var(--space-5);
    position: relative;
    line-height: 1.5;
}
.nqt-dual-card__list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    font-weight: 700;
}
.nqt-dual-card--qc .nqt-dual-card__list li::before { color: #F59E0B; }
.nqt-dual-card--nqt .nqt-dual-card__list li::before { color: var(--accent); }

.nqt-dual-card__arrow {
    display: none; /* Hidden on desktop, shown in flow below */
}

@media (max-width: 768px) {
    .nqt-dual-cards { grid-template-columns: 1fr; }
}

/* ─── Flow steps ─── */
.nqt-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}
.nqt-flow__step {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--bg-elevated);
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border: 1px solid var(--border-light);
}
.nqt-flow__num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--text-inverse);
    font-size: var(--font-size-xs);
    font-weight: 700;
    flex-shrink: 0;
}
.nqt-flow__arrow {
    color: var(--text-tertiary);
    font-size: var(--font-size-lg);
}
@media (max-width: 640px) {
    .nqt-flow { flex-direction: column; gap: var(--space-2); }
    .nqt-flow__arrow { transform: rotate(90deg); }
}

/* ═══ FEATURE CARDS GRID ═══ */
.nqt-features {
    background: var(--bg-secondary);
}
.nqt-features__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}
@media (min-width: 768px) { .nqt-features__grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .nqt-features__grid { grid-template-columns: repeat(4, 1fr); } }

.nqt-feat-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-elevated);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    border-top: 3px solid var(--card-accent, var(--accent));
    text-decoration: none;
    color: inherit;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    position: relative;
    min-height: 160px;
}
.nqt-feat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.nqt-feat-card--locked {
    opacity: 0.65;
    cursor: default;
}
.nqt-feat-card--locked:hover {
    transform: none;
    box-shadow: var(--shadow-sm);
}
.nqt-feat-card__icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-3);
    background: color-mix(in srgb, var(--card-accent) 12%, transparent);
    color: var(--card-accent);
}
.nqt-feat-card__body {
    flex: 1;
}
.nqt-feat-card__title {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-1);
    color: var(--text-primary);
}
.nqt-feat-card__desc {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}
.nqt-feat-card__tag {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    padding: 2px var(--space-2);
    border-radius: var(--radius-sm);
    margin-top: var(--space-3);
    align-self: flex-start;
}
.nqt-feat-card__tag--live {
    background: var(--success-bg);
    color: var(--success);
}
.nqt-feat-card__tag--soon {
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
}

@media (max-width: 640px) {
    .nqt-features__grid { grid-template-columns: 1fr; }
    .nqt-feat-card { min-height: auto; }
}

/* ═══ TRUST SECTION ═══ */
.nqt-trust {
    background: var(--bg-primary);
}
.nqt-trust__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-5);
}
.nqt-trust-card {
    text-align: center;
    padding: var(--space-6);
    background: var(--bg-elevated);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
    transition: transform var(--transition-base);
}
.nqt-trust-card:hover {
    transform: translateY(-2px);
}
.nqt-trust-card__icon {
    font-size: 36px;
    display: block;
    margin-bottom: var(--space-3);
}
.nqt-trust-card h3 {
    font-size: var(--font-size-base);
    font-weight: 700;
    margin-bottom: var(--space-2);
}
.nqt-trust-card p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}
@media (min-width: 768px) { .nqt-trust__grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 640px) { .nqt-trust__grid { grid-template-columns: 1fr; } }

/* ═══ CTA FINAL ═══ */
.nqt-cta-final {
    text-align: center;
    background: linear-gradient(180deg, transparent 0%, var(--accent-bg) 100%);
    padding: var(--space-16) 0;
}
.nqt-cta-final h2 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--space-3);
}
.nqt-cta-final p {
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}
@media (max-width: 640px) {
    .nqt-cta-final h2 { font-size: var(--font-size-2xl); }
    .nqt-cta-final { padding: var(--space-10) 0; }
}

/* ═══ FAQ (reuse earn-landing pattern) ═══ */
.nqt-faq {
    background: var(--bg-secondary);
    padding-bottom: var(--space-16);
}
.nqt-faq .faq-list {
    max-width: 700px;
    margin: 0 auto;
}
.nqt-faq .faq-item {
    border-bottom: 1px solid var(--border-light);
}
.nqt-faq .faq-item__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-4) 0;
    background: none;
    border: none;
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
    font-family: var(--font-sans);
}
.nqt-faq .faq-item__question::after {
    content: '+';
    font-size: var(--font-size-xl);
    color: var(--text-tertiary);
    transition: transform var(--transition-fast);
    flex-shrink: 0;
    margin-left: var(--space-3);
}
.nqt-faq .faq-item.open .faq-item__question::after {
    content: '−';
    color: var(--accent);
}
.nqt-faq .faq-item__answer {
    display: none;
    padding-bottom: var(--space-4);
}
.nqt-faq .faq-item__answer p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}
.nqt-faq .faq-item.open .faq-item__answer {
    display: block;
}

/* ═══ color-mix FALLBACK (older browsers) ═══ */
@supports not (color: color-mix(in srgb, red 50%, blue)) {
    .nqt-feat-card__icon {
        background: var(--accent-bg);
        color: var(--accent);
    }
}