/**
 * AICT Pricing Page Styles
 * High-contrast, Zapier-inspired design
 *
 * @package AICT_Core
 * @since 1.7.0
 */

/* ==========================================================================
   CSS Variables
   ========================================================================== */
:root {
    --pricing-bg: #ffffff;
    --pricing-text: var(--aict-midnight-2);
    --pricing-text-muted: #4a4a68;
    --pricing-border: #e2e8f0;
    --pricing-accent: #5c5fe6;
    --pricing-accent-hover: #e55a2b;
    --pricing-success: #10b981;
    --pricing-card-bg: #ffffff;
    --pricing-card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --pricing-featured-bg: linear-gradient(135deg, var(--aict-midnight-2) 0%, #2d2d44 100%);
    --pricing-featured-text: #ffffff;
}

/* ==========================================================================
   Base Layout
   ========================================================================== */
.pricing-header,
.pricing-section,
.enterprise-section,
.comparison-section,
.guarantee-section,
.pro-unlocks-section,
.faq-section,
.final-cta-section {
    padding: 4rem 1.5rem;
    background: var(--pricing-bg);
}

/* Reduce gap between pricing header and pricing grid sections */
.pricing-header + .pricing-section {
    padding-top: 0;
}

.pricing-header {
    text-align: center;
    padding-bottom: 2rem;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    padding-top: 5rem;
}

.pricing-header h1 {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--pricing-text);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.pricing-header > .container > p {
    font-size: 1.25rem;
    color: var(--pricing-text-muted);
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

/* ==========================================================================
   Billing Toggle
   ========================================================================== */
.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.pricing-toggle span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--pricing-text-muted);
    cursor: pointer;
    user-select: none;
    transition: color var(--aict-transition-fast), font-weight var(--aict-transition-fast);
}
.pricing-toggle span.active {
    color: var(--pricing-text);
    font-weight: 700;
}

/* [UX-06 2026-08-12 — docs/UX_FIX_BRIEF.md] WCAG 2.5.5 target size.
   Both labels toggle the billing period (not just the knob), so both need a
   real hit area. Measured live at 390px: "Monthly" was 59x25 while "Annual"
   — which wraps with the savings badge — was already 172x79. The row is
   flex/align-items:center, so giving the labels a 44px min-height changes the
   hit box without moving anything visually. */
.pricing-toggle span {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

/* Expand the knob's hit area to >=44px WITHOUT resizing the pill. The visible
   switch is 56x28 with its handle drawn by ::after and positioned against that
   exact geometry — growing the element would decentre the handle. ::before is
   unused, so an inset overlay adds 8px of tappable margin on every side
   (measured 32x44 on mobile -> 48x60 tappable) and is invisible. */
.toggle-switch::before {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: 999px;
}

.toggle-switch {
    width: 56px;
    height: 28px;
    background: #e2e8f0;
    border-radius: 14px;
    position: relative;
    cursor: pointer;
    transition: background var(--aict-transition-base);
}

.toggle-switch::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    background: #ffffff;
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: transform var(--aict-transition-base);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.toggle-switch.annual {
    background: var(--pricing-accent);
}

.toggle-switch.annual::after {
    transform: translateX(28px);
}

.save-badge {
    background: var(--pricing-success);
    color: #ffffff !important;  /* v4.16.80r: defeat inherited muted color from .pricing-toggle span */
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-block;
    line-height: 1.2;
}
.pricing-toggle .save-badge,
.pricing-card .save-badge,
section .save-badge {
    color: #ffffff !important;
}

/* ==========================================================================
   Pricing Cards Grid
   v4.16.80o: 6-tier layout
   v4.16.80q: explicit 3-col on desktop (1024+) instead of auto-fit (was 4+2),
              card flexbox to push CTA to bottom for uniform heights, fix CTA
              button overflow (was 354px in 292px content area).
   ========================================================================== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
    max-width: 1180px;
    margin: 0 auto;
    align-items: stretch;
}

@media (max-width: 1023px) and (min-width: 769px) {
    .pricing-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        max-width: 760px;
    }
}

@media (max-width: 768px) {
    .pricing-grid {
        display: flex;
        flex-direction: row;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        scroll-padding: 1rem;
        gap: 1rem;
        padding: 0.5rem 1rem 1.5rem;
        margin: 0 -1rem;
        scrollbar-width: thin;
        -webkit-overflow-scrolling: touch;
    }
    .pricing-grid > .pricing-card {
        flex: 0 0 84vw;
        max-width: 320px;
        scroll-snap-align: center;
        padding: 1.75rem 1.5rem;
    }
    .pricing-grid::-webkit-scrollbar { height: 6px; }
    .pricing-grid::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border-radius: 3px; }
}

.pricing-card {
    background: var(--pricing-card-bg);
    border: 2px solid var(--pricing-border);
    border-radius: 16px;
    padding: 1.75rem 1.5rem;
    position: relative;
    transition: transform var(--aict-transition-base), box-shadow var(--aict-transition-base);
    /* [v4.16.80q] flex column → push CTA to bottom for uniform card heights.
       overflow:visible because .plan-badge sits at top:-12px outside card. */
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    min-width: 0;
}

/* CTA on every card sits flush at bottom; everything above it stretches */
.pricing-card .plan-cta {
    margin-top: auto;
}
.pricing-card .plan-features {
    flex: 1 0 auto;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--pricing-card-shadow);
}

/* Featured Card (Pro) */
.pricing-card.featured {
    background: var(--pricing-featured-bg);
    border-color: transparent;
    color: var(--pricing-featured-text);
}

.pricing-card.featured .plan-name,
.pricing-card.featured .price-amount,
.pricing-card.featured .price-period,
.pricing-card.featured .plan-highlight,
.pricing-card.featured .plan-features li,
.pricing-card.featured .best-for h4,
.pricing-card.featured .best-for li {
    color: var(--pricing-featured-text);
}

.pricing-card.featured .plan-features li.disabled {
    color: rgba(255, 255, 255, 0.5);
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--pricing-accent);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.plan-name {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--pricing-text);
    margin-bottom: 1rem;
}

.plan-price {
    margin-bottom: 1.5rem;
}

.price-amount {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--pricing-text);
    line-height: 1;
}

.price-period {
    font-size: 1rem;
    color: var(--pricing-text-muted);
    font-weight: 500;
}

.plan-highlight {
    background: rgba(255, 107, 53, 0.1);
    color: var(--pricing-accent);
    font-size: 0.9375rem;
    font-weight: 600;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 1.5rem;
    letter-spacing: 0.02em;
}

.pricing-card.featured .plan-highlight {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
}

/* ==========================================================================
   Feature List
   ========================================================================== */
.plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
}

.plan-features li {
    padding: 0.625rem 0;
    padding-left: 1.75rem;
    position: relative;
    font-size: 1rem;
    color: var(--pricing-text);
    border-bottom: 1px solid var(--pricing-border);
}

.plan-features li:last-child {
    border-bottom: none;
}

.plan-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--pricing-success);
    font-weight: 700;
}

/* WCAG: prior `opacity: 0.6` stacked on muted text gave ~2.8:1 — failed AA.
   Removed opacity; bumped color to #6b7280 (slate-500) on white -> 4.6:1 (AA Large/Normal pass).
   Featured-card disabled override below stays at rgba(255,255,255,0.5) which is 9.5:1 on the navy gradient. */
.plan-features li.disabled {
    color: #6b7280;
}

.plan-features li.disabled::before {
    content: '✗';
    color: #6b7280;
}

.pricing-card.featured .plan-features li {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

/* ==========================================================================
   CTA Buttons
   v4.16.80q: .pricing-card .btn now full-width with reduced horizontal padding
   so it never overflows its container. Prior: padding 1rem 2rem made buttons
   ~354px in 292px content area = 32px overflow each side.
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--aict-transition-fast);
    text-align: center;
    border: none;
    box-sizing: border-box;
}

.pricing-card .btn,
.pricing-card .plan-cta {
    display: block;
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 0.9375rem;
    box-sizing: border-box;
}

.btn-primary {
    background: var(--pricing-accent);
    color: #ffffff !important;
}

.btn-primary:hover {
    background: var(--pricing-accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--pricing-text) !important;
    border: 2px solid var(--pricing-border);
}

.btn-secondary:hover {
    border-color: var(--pricing-accent);
    color: var(--pricing-accent) !important;
}

.pricing-card.featured .btn-secondary {
    border-color: rgba(255, 255, 255, 0.3);
    color: #ffffff !important;
}

.pricing-card.featured .btn-secondary:hover {
    border-color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
}

.plan-cta {
    width: 100%;
    margin-top: 1rem;
}

/* ==========================================================================
   Best For Section
   ========================================================================== */
.best-for {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--pricing-border);
}

.pricing-card.featured .best-for {
    border-top-color: rgba(255, 255, 255, 0.1);
}

.best-for h4 {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--pricing-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.75rem;
}

.best-for ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.best-for li {
    font-size: 0.9375rem;
    color: var(--pricing-text-muted);
    padding: 0.25rem 0;
}

/* ==========================================================================
   Enterprise Section
   ========================================================================== */
.enterprise-section {
    background: #f8fafc;
}

.enterprise-card {
    background: var(--pricing-card-bg);
    border: 2px solid var(--pricing-border);
    border-radius: 16px;
    padding: 3rem;
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 2rem;
    align-items: center;
}

.enterprise-content h2 {
    font-size: 1.75rem;
    line-height: 1.3;
    font-weight: 700;
    color: var(--pricing-text);
    margin-bottom: 0.5rem;
}

.enterprise-content p {
    color: var(--pricing-text-muted);
    margin: 0;
}

.enterprise-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.enterprise-feature {
    font-size: 0.875rem;
    color: var(--pricing-success);
    font-weight: 500;
}

/* ==========================================================================
   Comparison Table
   ========================================================================== */
.comparison-section {
    background: #ffffff;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--pricing-text);
    text-align: center;
    margin-bottom: 3rem;
}

.comparison-table {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    border-collapse: collapse;
    background: var(--pricing-card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--pricing-card-shadow);
}

.comparison-table th,
.comparison-table td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--pricing-border);
}

.comparison-table th {
    background: var(--pricing-text);
    color: #ffffff;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.comparison-table th:not(:first-child) {
    text-align: center;
}

.comparison-table td:not(:first-child) {
    text-align: center;
    font-weight: 500;
}

.comparison-table tbody tr:hover {
    background: #f8fafc;
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.check-icon {
    color: var(--pricing-success);
    font-size: 1.25rem;
}

/* [v4.16.80fh — wcag-2-2-aa-audit-fixes] icon color was #9ca3af (2.85:1 on white).
   WCAG 1.4.11 requires 3:1 minimum for graphical icons. Bumped to #6b7280
   (4.6:1) to clear non-text contrast threshold. */
.cross-icon {
    color: #6b7280;
    font-size: 1.25rem;
}

/* ==========================================================================
   Guarantee Section
   ========================================================================== */
.guarantee-section {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #ffffff;
}

.guarantee-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.guarantee-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.guarantee-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.guarantee-content p {
    font-size: 1.125rem;
    opacity: 0.9;
    line-height: 1.6;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-section {
    background: #f8fafc;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    background: var(--pricing-card-bg);
    border: 1px solid var(--pricing-border);
    border-radius: 12px;
    padding: 1.5rem;
}

.faq-item h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--pricing-text);
    margin-bottom: 0.75rem;
}

.faq-item p {
    font-size: 0.9375rem;
    color: var(--pricing-text-muted);
    line-height: 1.6;
    margin: 0;
}

/* ==========================================================================
   Final CTA Section
   ========================================================================== */
.final-cta-section {
    background: var(--pricing-text);
    color: #ffffff;
    text-align: center;
}

.final-cta-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.final-cta-section .text-gray {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
}

.cta-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

.cta-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 2rem;
}

.cta-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.cta-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    margin: 0;
}

.trust-badges {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.trust-badge {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
    .pricing-header h1 {
        font-size: 2rem;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .enterprise-card {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .enterprise-features {
        justify-content: center;
    }

    .comparison-table {
        font-size: 0.875rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 0.75rem;
    }

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

    .final-cta-section h2 {
        font-size: 1.75rem;
    }

    .cta-cards {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Animation
   ========================================================================== */
.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
    opacity: 0;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in:nth-child(1) { animation-delay: 0.1s; }
.fade-in:nth-child(2) { animation-delay: 0.2s; }
.fade-in:nth-child(3) { animation-delay: 0.3s; }

/* ==========================================================================
   Loading State for Checkout
   ========================================================================== */
.btn.loading {
    pointer-events: none;
    opacity: 0.7;
    position: relative;
}

.btn.loading::after {
    content: '';
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: aict-spin-anchored var(--aict-animation-spin-dur, 0.8s) linear infinite;
}

/* Custom anchored variant — preserves translateY(-50%) for vertically-centered spinner pseudo-element. */
@keyframes aict-spin-anchored {
    to { transform: translateY(-50%) rotate(360deg); }
}

/* ==========================================================================
   What Pro Unlocks Section
   ========================================================================== */
.pro-unlocks-section {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.pro-unlocks-section .section-subtitle {
    text-align: center;
    color: var(--pricing-text-muted);
    font-size: 1.1rem;
    margin: -0.5rem auto 2.5rem;
    max-width: 540px;
}

.unlocks-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 960px;
    margin: 0 auto;
}

.unlock-card {
    background: #ffffff;
    border: 1px solid var(--pricing-border);
    border-radius: 12px;
    padding: 1.75rem 1.5rem;
    text-align: left;
    box-shadow: var(--pricing-card-shadow);
    display: flex;
    flex-direction: column;
}

.unlock-icon {
    font-size: 2rem;
    margin-bottom: 0.875rem;
    line-height: 1;
}

.unlock-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--pricing-text);
    margin: 0 0 0.625rem;
    line-height: 1.3;
}

.unlock-card p {
    font-size: 0.9375rem;
    color: var(--pricing-text-muted);
    line-height: 1.6;
    margin: 0;
    flex: 1;
}

.unlock-link {
    display: inline-block;
    margin-top: 1rem;
    color: var(--pricing-accent);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
}

.unlock-link:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .unlocks-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

@media (min-width: 480px) and (max-width: 768px) {
    .unlocks-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .unlock-card:last-child {
        grid-column: 1 / -1;
        max-width: calc(50% - 0.5rem);
        margin: 0 auto;
    }
}

/* ==========================================================================
   Dark Mode — [data-theme="dark"] via AICT dark mode toggle
   ========================================================================== */
[data-theme="dark"] {
    --pricing-bg: #0f172a;
    --pricing-text: #e2e8f0;
    --pricing-text-muted: #94a3b8;
    --pricing-border: #2d3748;
    --pricing-card-bg: #1e293b;
    --pricing-card-shadow: 0 4px 6px -1px rgba(0,0,0,0.4), 0 2px 4px -1px rgba(0,0,0,0.3);
}

[data-theme="dark"] .pricing-header {
    background: linear-gradient(180deg, #0f172a 0%, #0f172a 100%);
}

[data-theme="dark"] .pro-unlocks-section {
    background: linear-gradient(180deg, #0a1120 0%, #0f172a 100%);
}

[data-theme="dark"] .unlock-card {
    background: #1e293b;
}

/* Non-featured card buttons: solid outline → white text + visible border in dark */
[data-theme="dark"] .btn-secondary {
    color: #e2e8f0 !important;
    border-color: #4a5568;
    background: rgba(255,255,255,0.04);
}

[data-theme="dark"] .btn-secondary:hover {
    border-color: var(--pricing-accent);
    color: var(--pricing-accent) !important;
    background: rgba(99,102,241,0.12);
}

/* Featured card (Pro) already has dark bg + white — leave as-is */
[data-theme="dark"] .pricing-card.featured .btn-secondary {
    border-color: rgba(255,255,255,0.3);
    color: #ffffff !important;
    background: rgba(255,255,255,0.08);
}

/* Final CTA dark backgrounds already work — keep foreground readable */
[data-theme="dark"] .final-cta-section {
    background: #0a0a1a;
}

/* Guarantee / comparison sections */
[data-theme="dark"] .guarantee-section,
[data-theme="dark"] .comparison-section,
[data-theme="dark"] .faq-section,
[data-theme="dark"] .enterprise-section {
    background: #0f172a;
}

[data-theme="dark"] .comparison-table th {
    background: #1e293b;
    color: #e2e8f0;
}

[data-theme="dark"] .comparison-table td,
[data-theme="dark"] .comparison-table tr:nth-child(even) td {
    background: transparent;
    color: #e2e8f0;
    border-bottom-color: #2d3748;
}

[data-theme="dark"] .comparison-table tr:nth-child(even) {
    background: #1a2535;
}

[data-theme="dark"] .faq-item {
    border-color: #2d3748;
}

[data-theme="dark"] .enterprise-card {
    background: #1e293b;
    border-color: #2d3748;
}