/* ══════════════════════════════════════════════════════════════════════════
   PIKA WEB 2.0 FOUNDATIONAL DESIGN SYSTEM
   Namespace: .pw2-*
   Constitution: docs/marketing/P02_DESIGN_CONSTITUTION.md
   Zero-Leakage Guarantee: Contains ONLY :root variables and .pw2-* scoped selectors.
   Accessibility Standard: WCAG 2.1 AA Compliant (All text >= 4.5:1, UI/Focus >= 3:1)
   ══════════════════════════════════════════════════════════════════════════ */

:root {
    /* ── 1. Brand & Semantic Colors ────────────────────────────────────────── */
    --pw2-brand-primary: #84c225;
    --pw2-brand-primary-hover: #73aa20;
    --pw2-brand-primary-dark: #5c8c15;
    --pw2-brand-secondary: #0c3a30;
    --pw2-brand-secondary-hover: #124d40;
    --pw2-accent: #9edd05;
    --pw2-accent-ink: #3f5802;       /* High-contrast brand ink (8.05:1 on white, 7.54:1 on tint) */
    --pw2-bg-tint: #f4f9f1;
    --pw2-border-tint: #dbeec8;

    /* ── 2. Canvas & Surfaces ──────────────────────────────────────────────── */
    --pw2-bg-primary: #ffffff;
    --pw2-bg-subtle: #f8faf9;
    --pw2-bg-muted: #f1f6f3;
    --pw2-bg-dark: #0c3a30;          /* Solid structural petrol background */
    --pw2-bg-dark-deep: #082922;     /* Deep petrol anchor for special stage insets */
    --pw2-surface-stage: #0e322a;

    /* ── 3. Typography Ink Colors (WCAG AA Compliant >= 4.5:1) ─────────────── */
    --pw2-text-primary: #0d2821;     /* 15.64:1 on white, 14.92:1 on subtle */
    --pw2-text-secondary: #365147;   /* 8.66:1 on white, 8.26:1 on subtle */
    --pw2-text-muted: #4a685e;       /* Refined: 6.12:1 on white, 5.84:1 on subtle */
    --pw2-text-subtle: #8da49c;      /* Non-text hairlines, placeholders, disabled only */
    --pw2-text-on-dark: #ffffff;     /* 12.62:1 on dark petrol */
    --pw2-text-on-dark-muted: rgba(255, 255, 255, 0.74); /* 7.65:1 effective contrast */
    --pw2-text-on-dark-subtle: rgba(255, 255, 255, 0.52);

    /* ── 4. Focus Indicators (WCAG SC 1.4.11 Non-Text Contrast >= 3:1) ─────── */
    --pw2-focus-on-light: #3f5802;   /* 8.05:1 contrast against white/subtle surfaces */
    --pw2-focus-on-dark: #9edd05;    /* 7.69:1 contrast against dark petrol surface */

    /* ── 5. Borders & Hairlines ────────────────────────────────────────────── */
    --pw2-border-default: #e3ede8;
    --pw2-border-subtle: #edf4f0;
    --pw2-border-strong: #c2d8cd;
    --pw2-border-accent: #9edd05;
    --pw2-border-dark: rgba(255, 255, 255, 0.12);
    --pw2-border-dark-strong: rgba(255, 255, 255, 0.22);

    /* ── 6. Status & Feedback ──────────────────────────────────────────────── */
    --pw2-status-success: #15803d;
    --pw2-status-warning: #b45309;
    --pw2-status-danger: #b91c1c;
    --pw2-status-info: #0369a1;

    /* ── 7. Typography Scale & Stacks ──────────────────────────────────────── */
    --pw2-font-sans: 'Inter Tight', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --pw2-font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

    --pw2-fs-display: 3.5rem;    /* 56px desktop */
    --pw2-fs-h1: 2.625rem;       /* 42px desktop */
    --pw2-fs-h2: 2rem;           /* 32px desktop */
    --pw2-fs-h3: 1.375rem;       /* 22px desktop */
    --pw2-fs-h4: 1.125rem;       /* 18px desktop */
    --pw2-fs-lead: 1.25rem;       /* 20px desktop */
    --pw2-fs-body: 1rem;          /* 16px standard */
    --pw2-fs-body-sm: 0.875rem;   /* 14px small */
    --pw2-fs-eyebrow: 0.75rem;    /* 12px uppercase */
    --pw2-fs-caption: 0.75rem;    /* 12px caption */

    /* ── 8. Spacing Scale (4pt / 8pt Based) ────────────────────────────────── */
    --pw2-space-2xs: 4px;
    --pw2-space-xs: 8px;
    --pw2-space-sm: 12px;
    --pw2-space-md: 16px;
    --pw2-space-lg: 24px;
    --pw2-space-xl: 32px;
    --pw2-space-2xl: 48px;
    --pw2-space-3xl: 64px;
    --pw2-space-4xl: 96px;
    --pw2-space-5xl: 128px;

    /* ── 9. Container & Content Widths ─────────────────────────────────────── */
    --pw2-w-reading: 760px;
    --pw2-w-standard: 1200px;
    --pw2-w-stage: 1340px;

    /* ── 10. Radius Scale (Restrained) ─────────────────────────────────────── */
    --pw2-radius-xs: 4px;
    --pw2-radius-sm: 8px;
    --pw2-radius-md: 12px;
    --pw2-radius-lg: 16px;
    --pw2-radius-xl: 24px;
    --pw2-radius-pill: 9999px;

    /* ── 11. Shadows (Subdued Enterprise) ──────────────────────────────────── */
    --pw2-shadow-xs: 0 1px 2px rgba(12, 38, 32, 0.04);
    --pw2-shadow-sm: 0 2px 6px -1px rgba(12, 38, 32, 0.06), 0 1px 3px rgba(12, 38, 32, 0.03);
    --pw2-shadow-md: 0 8px 20px -4px rgba(12, 38, 32, 0.08), 0 2px 6px rgba(12, 38, 32, 0.03);
    --pw2-shadow-lg: 0 16px 36px -6px rgba(12, 38, 32, 0.10), 0 4px 12px rgba(12, 38, 32, 0.04);
    --pw2-shadow-xl: 0 28px 64px -12px rgba(12, 38, 32, 0.14), 0 8px 24px rgba(12, 38, 32, 0.05);

    /* ── 12. Transitions ───────────────────────────────────────────────────── */
    --pw2-trans-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
    --pw2-trans-base: 220ms cubic-bezier(0.16, 1, 0.3, 1);
    --pw2-trans-slow: 350ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ══════════════════════════════════════════════════════════════════════════
   CONTAINER & LAYOUT PRIMITIVES
   ══════════════════════════════════════════════════════════════════════════ */
.pw2-container {
    width: 100%;
    max-width: var(--pw2-w-standard);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--pw2-space-lg);
    padding-right: var(--pw2-space-lg);
    box-sizing: border-box;
}

.pw2-container--reading {
    max-width: var(--pw2-w-reading);
}

.pw2-container--stage {
    max-width: var(--pw2-w-stage);
}

.pw2-container--full {
    max-width: 100%;
}

@media (min-width: 1400px) {
    .pw2-container {
        padding-left: var(--pw2-space-xl);
        padding-right: var(--pw2-space-xl);
    }
}

@media (max-width: 767px) {
    .pw2-container {
        padding-left: var(--pw2-space-md);
        padding-right: var(--pw2-space-md);
    }
}

/* ══════════════════════════════════════════════════════════════════════════
   SECTION PRIMITIVES
   ══════════════════════════════════════════════════════════════════════════ */
.pw2-section {
    padding-top: var(--pw2-space-4xl);
    padding-bottom: var(--pw2-space-4xl);
    position: relative;
    background-color: var(--pw2-bg-primary);
    box-sizing: border-box;
}

.pw2-section--subtle {
    background-color: var(--pw2-bg-subtle);
    border-top: 1px solid var(--pw2-border-subtle);
    border-bottom: 1px solid var(--pw2-border-subtle);
}

/* Restrained Solid Petrol Surface (No Default Gradient) */
.pw2-section--dark {
    background-color: var(--pw2-bg-dark);
    color: var(--pw2-text-on-dark);
}

.pw2-section--hero {
    padding-top: var(--pw2-space-5xl);
    padding-bottom: var(--pw2-space-4xl);
}

.pw2-section--compact {
    padding-top: var(--pw2-space-2xl);
    padding-bottom: var(--pw2-space-2xl);
}

@media (max-width: 991px) {
    .pw2-section {
        padding-top: var(--pw2-space-3xl);
        padding-bottom: var(--pw2-space-3xl);
    }
    .pw2-section--hero {
        padding-top: var(--pw2-space-4xl);
        padding-bottom: var(--pw2-space-3xl);
    }
}

@media (max-width: 767px) {
    .pw2-section {
        padding-top: var(--pw2-space-2xl);
        padding-bottom: var(--pw2-space-2xl);
    }
    .pw2-section--hero {
        padding-top: var(--pw2-space-3xl);
        padding-bottom: var(--pw2-space-2xl);
    }
}

/* ══════════════════════════════════════════════════════════════════════════
   TYPOGRAPHY PRIMITIVES
   ══════════════════════════════════════════════════════════════════════════ */
.pw2-display {
    font-family: var(--pw2-font-sans);
    font-size: var(--pw2-fs-display);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.03em;
    color: var(--pw2-text-primary);
    margin: 0 0 var(--pw2-space-md) 0;
}

.pw2-h1 {
    font-family: var(--pw2-font-sans);
    font-size: var(--pw2-fs-h1);
    font-weight: 700;
    line-height: 1.18;
    letter-spacing: -0.025em;
    color: var(--pw2-text-primary);
    margin: 0 0 var(--pw2-space-md) 0;
}

.pw2-h2 {
    font-family: var(--pw2-font-sans);
    font-size: var(--pw2-fs-h2);
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--pw2-text-primary);
    margin: 0 0 var(--pw2-space-sm) 0;
}

.pw2-h3 {
    font-family: var(--pw2-font-sans);
    font-size: var(--pw2-fs-h3);
    font-weight: 600;
    line-height: 1.35;
    letter-spacing: -0.01em;
    color: var(--pw2-text-primary);
    margin: 0 0 var(--pw2-space-xs) 0;
}

.pw2-h4 {
    font-family: var(--pw2-font-sans);
    font-size: var(--pw2-fs-h4);
    font-weight: 600;
    line-height: 1.4;
    color: var(--pw2-text-primary);
    margin: 0 0 var(--pw2-space-2xs) 0;
}

.pw2-lead {
    font-family: var(--pw2-font-sans);
    font-size: var(--pw2-fs-lead);
    font-weight: 400;
    line-height: 1.55;
    letter-spacing: -0.01em;
    color: var(--pw2-text-secondary);
    margin: 0 0 var(--pw2-space-lg) 0;
}

.pw2-body {
    font-family: var(--pw2-font-sans);
    font-size: var(--pw2-fs-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--pw2-text-secondary);
    margin: 0 0 var(--pw2-space-md) 0;
}

.pw2-body-sm {
    font-family: var(--pw2-font-sans);
    font-size: var(--pw2-fs-body-sm);
    font-weight: 400;
    line-height: 1.5;
    color: var(--pw2-text-muted);
    margin: 0 0 var(--pw2-space-sm) 0;
}

/* Eyebrow with Accessible Semantic Accent Ink (>= 7.5:1 Contrast) */
.pw2-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--pw2-font-sans);
    font-size: var(--pw2-fs-eyebrow);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--pw2-accent-ink);
    background-color: var(--pw2-bg-tint);
    border: 1px solid var(--pw2-border-tint);
    padding: 4px 12px;
    border-radius: var(--pw2-radius-pill);
    margin-bottom: var(--pw2-space-sm);
}

.pw2-caption {
    font-family: var(--pw2-font-sans);
    font-size: var(--pw2-fs-caption);
    font-weight: 500;
    line-height: 1.4;
    color: var(--pw2-text-muted);
}

/* Typography on Dark Surfaces */
.pw2-section--dark .pw2-display,
.pw2-section--dark .pw2-h1,
.pw2-section--dark .pw2-h2,
.pw2-section--dark .pw2-h3,
.pw2-section--dark .pw2-h4 {
    color: var(--pw2-text-on-dark);
}

.pw2-section--dark .pw2-lead,
.pw2-section--dark .pw2-body {
    color: var(--pw2-text-on-dark-muted);
}

.pw2-section--dark .pw2-body-sm,
.pw2-section--dark .pw2-caption {
    color: var(--pw2-text-on-dark-subtle);
}

.pw2-section--dark .pw2-eyebrow {
    color: var(--pw2-accent);
    background-color: rgba(158, 221, 5, 0.12);
    border-color: rgba(158, 221, 5, 0.28);
}

/* Responsive Typography Adjustments */
@media (max-width: 991px) {
    .pw2-display { font-size: 2.75rem; line-height: 1.16; }
    .pw2-h1 { font-size: 2.25rem; line-height: 1.2; }
    .pw2-h2 { font-size: 1.75rem; line-height: 1.28; }
}

@media (max-width: 767px) {
    .pw2-display { font-size: 2.25rem; line-height: 1.2; }
    .pw2-h1 { font-size: 1.875rem; line-height: 1.25; }
    .pw2-h2 { font-size: 1.5rem; line-height: 1.3; }
    .pw2-lead { font-size: 1.0625rem; line-height: 1.55; }
}

/* ══════════════════════════════════════════════════════════════════════════
   BUTTON PRIMITIVES (Visual Hierarchy Primitives - Min 44px Interactive Target)
   ══════════════════════════════════════════════════════════════════════════ */
.pw2-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--pw2-space-xs);
    font-family: var(--pw2-font-sans);
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    border-radius: var(--pw2-radius-md);
    transition: background-color var(--pw2-trans-fast), color var(--pw2-trans-fast), border-color var(--pw2-trans-fast), transform var(--pw2-trans-fast);
    min-height: 44px;
    padding: 12px 24px;
    border: 1.5px solid transparent;
    box-sizing: border-box;
    white-space: nowrap;
}

/* Focus Visibility with >= 3:1 Non-Text Contrast */
.pw2-btn:focus-visible {
    outline: 2px solid var(--pw2-focus-on-light);
    outline-offset: 2px;
}

.pw2-btn--primary {
    background-color: var(--pw2-brand-primary);
    color: var(--pw2-text-primary);     /* 7.24:1 contrast */
    border-color: var(--pw2-brand-primary);
}

.pw2-btn--primary:hover {
    background-color: var(--pw2-brand-primary-hover);
    border-color: var(--pw2-brand-primary-hover);
    color: var(--pw2-text-primary);     /* 5.59:1 contrast */
}

/* Accessible Active State: Retains 5.59:1 Contrast with Subtle Physical Shift */
.pw2-btn--primary:active {
    background-color: var(--pw2-brand-primary-hover);
    border-color: var(--pw2-brand-primary-hover);
    transform: translateY(1px);
}

.pw2-btn--secondary {
    background-color: transparent;
    color: var(--pw2-text-primary);
    border-color: var(--pw2-border-strong);
}

.pw2-btn--secondary:hover {
    background-color: var(--pw2-bg-subtle);
    border-color: var(--pw2-text-primary);
    color: var(--pw2-text-primary);
}

.pw2-btn--dark-primary {
    background-color: var(--pw2-brand-primary);
    color: var(--pw2-text-primary);
    border-color: var(--pw2-brand-primary);
}

.pw2-btn--dark-primary:hover {
    background-color: var(--pw2-accent);
    border-color: var(--pw2-accent);
    color: var(--pw2-text-primary);
}

.pw2-btn--dark-secondary {
    background-color: transparent;
    color: var(--pw2-text-on-dark);
    border-color: rgba(255, 255, 255, 0.3);
}

.pw2-btn--dark-secondary:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.6);
    color: var(--pw2-text-on-dark);
}

/* Tertiary Link with Preserved 44px Interactive Target Area */
.pw2-btn--tertiary {
    background-color: transparent;
    border-color: transparent;
    color: var(--pw2-text-primary);
    padding: 8px 4px;
    min-height: 44px;
    font-weight: 600;
}

.pw2-btn--tertiary:hover {
    color: var(--pw2-accent-ink);       /* Accessible brand link hover: 8.05:1 */
}

.pw2-btn--lg {
    min-height: 52px;
    padding: 16px 32px;
    font-size: 1rem;
}

/* Small Button Variant: Retains 44px Minimum Interactive Target */
.pw2-btn--sm {
    min-height: 44px;
    padding: 10px 18px;
    font-size: 0.8125rem;
}

.pw2-btn:disabled,
.pw2-btn--disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ══════════════════════════════════════════════════════════════════════════
   SURFACE & BORDER PRIMITIVES
   ══════════════════════════════════════════════════════════════════════════ */
.pw2-surface {
    background-color: var(--pw2-bg-primary);
    border: 1px solid var(--pw2-border-default);
    border-radius: var(--pw2-radius-md);
    box-shadow: var(--pw2-shadow-xs);
    box-sizing: border-box;
}

.pw2-surface--subtle {
    background-color: var(--pw2-bg-subtle);
    border: 1px solid var(--pw2-border-subtle);
    border-radius: var(--pw2-radius-md);
    box-sizing: border-box;
}

.pw2-surface--muted {
    background-color: var(--pw2-bg-muted);
    border: 1px solid var(--pw2-border-subtle);
    border-radius: var(--pw2-radius-sm);
    box-sizing: border-box;
}

.pw2-surface--dark {
    background-color: var(--pw2-bg-dark);
    border: 1px solid var(--pw2-border-dark);
    border-radius: var(--pw2-radius-md);
    color: var(--pw2-text-on-dark);
    box-sizing: border-box;
}

.pw2-border {
    border: 1px solid var(--pw2-border-default);
}

.pw2-border--subtle {
    border: 1px solid var(--pw2-border-subtle);
}

/* ══════════════════════════════════════════════════════════════════════════
   PRODUCT STAGE & SCREENSHOT PRESENTATION PRIMITIVES
   ══════════════════════════════════════════════════════════════════════════ */
.pw2-product-stage {
    position: relative;
    margin-top: var(--pw2-space-xl);
    max-width: var(--pw2-w-stage);
    margin-left: auto;
    margin-right: auto;
}

.pw2-product-frame {
    position: relative;
    background-color: var(--pw2-bg-primary);
    border: 1px solid var(--pw2-border-default);
    border-radius: var(--pw2-radius-lg);
    box-shadow: var(--pw2-shadow-lg);
    overflow: hidden;
}

.pw2-product-frame--stage {
    background-color: var(--pw2-surface-stage);
    border-color: rgba(255, 255, 255, 0.1);
}

.pw2-product-frame__header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background-color: var(--pw2-bg-subtle);
    border-bottom: 1px solid var(--pw2-border-default);
}

.pw2-product-frame__dots {
    display: flex;
    gap: 6px;
}

.pw2-product-frame__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--pw2-border-strong);
}

.pw2-product-frame__title {
    font-family: var(--pw2-font-mono);
    font-size: 0.6875rem;
    color: var(--pw2-text-muted);
    margin-left: auto;
}

.pw2-product-frame img,
.pw2-product-frame picture img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 0 0 var(--pw2-radius-lg) var(--pw2-radius-lg);
}

.pw2-product-caption {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--pw2-space-sm);
    margin-top: var(--pw2-space-sm);
    font-size: 0.75rem;
    color: var(--pw2-text-muted);
}

/* ── Generic Product Viewport & Cropping Primitives ──────────────────────── */
.pw2-product-viewport {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.pw2-product-viewport--pan {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
    scrollbar-width: thin;
    scrollbar-color: var(--pw2-border-default) transparent;
}

.pw2-product-viewport--pan > * {
    min-width: 720px;
}

.pw2-product-scroll-hint {
    display: none;
    align-items: center;
    justify-content: center;
    gap: var(--pw2-space-xs);
    margin-top: var(--pw2-space-xs);
    font-size: 0.75rem;
    color: var(--pw2-text-muted);
}

@media (max-width: 767px) {
    .pw2-product-scroll-hint {
        display: flex;
    }
}

.pw2-product-crop {
    position: relative;
    overflow: hidden;
}

/* ── Restrained Annotation Callout System (Max 3, Zero Glow/Pulse) ───────── */
.pw2-product-callout {
    position: absolute;
    transform: translate(-50%, -50%);
    z-index: 2;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.pw2-product-callout__marker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--pw2-bg-dark);
    color: var(--pw2-text-on-dark);
    border: 2px solid #ffffff;
    font-family: var(--pw2-font-mono);
    font-size: 0.6875rem;
    font-weight: 700;
    box-shadow: var(--pw2-shadow-md);
    line-height: 1;
    pointer-events: auto;
}

.pw2-product-callout__label {
    display: inline-block;
    background-color: var(--pw2-bg-primary);
    color: var(--pw2-text-primary);
    border: 1px solid var(--pw2-border-default);
    border-radius: var(--pw2-radius-sm);
    padding: 4px 8px;
    font-family: var(--pw2-font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: var(--pw2-shadow-md);
    white-space: nowrap;
    pointer-events: auto;
}

/* ══════════════════════════════════════════════════════════════════════════
   SECTION ARCHETYPE COMPOSITION HELPERS (Layout-Neutral Naming)
   ══════════════════════════════════════════════════════════════════════════ */
.pw2-editorial-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--pw2-space-3xl);
    align-items: center;
}

.pw2-editorial-split--reversed {
    direction: rtl;
}

.pw2-editorial-split--reversed > * {
    direction: ltr;
}

.pw2-trust-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--pw2-space-xl);
}

.pw2-proof-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--pw2-space-xl);
}

.pw2-value-chain {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: var(--pw2-space-md);
    flex-wrap: nowrap;
}

.pw2-value-chain__step {
    flex: 1;
    position: relative;
    padding: var(--pw2-space-lg);
    background-color: var(--pw2-bg-primary);
    border: 1px solid var(--pw2-border-default);
    border-radius: var(--pw2-radius-md);
    box-sizing: border-box;
}

/* Data -> Intelligence Flow Layout */
.pw2-data-flow {
    display: grid;
    grid-template-columns: 1fr auto 1.2fr auto 1fr;
    gap: var(--pw2-space-md);
    align-items: center;
}

.pw2-data-flow__col {
    display: flex;
    flex-direction: column;
    gap: var(--pw2-space-sm);
}

.pw2-data-flow__arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pw2-border-strong);
    font-size: 1.5rem;
}

/* FAQ Layout Primitives */
.pw2-faq-item {
    border-bottom: 1px solid var(--pw2-border-subtle);
    padding: var(--pw2-space-lg) 0;
}

.pw2-faq-item:first-child {
    border-top: 1px solid var(--pw2-border-subtle);
}

.pw2-faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--pw2-space-md);
    font-family: var(--pw2-font-sans);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--pw2-text-primary);
    cursor: pointer;
    min-height: 44px;
}

.pw2-faq-answer {
    padding-top: var(--pw2-space-sm);
    color: var(--pw2-text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

@media (max-width: 991px) {
    .pw2-editorial-split {
        grid-template-columns: 1fr;
        gap: var(--pw2-space-xl);
    }
    .pw2-value-chain {
        flex-direction: column;
    }
    .pw2-data-flow {
        grid-template-columns: 1fr;
        gap: var(--pw2-space-lg);
    }
    .pw2-data-flow__arrow {
        transform: rotate(90deg);
    }
}

/* ══════════════════════════════════════════════════════════════════════════
   BADGES & GOVERNANCE TAGS
   ══════════════════════════════════════════════════════════════════════════ */
.pw2-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--pw2-font-sans);
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 3px 8px;
    border-radius: var(--pw2-radius-pill);
    line-height: 1;
}

/* Mandatory Metric Safety Demo Badge (11.4:1 contrast on #fef3c7) */
.pw2-badge--demo {
    background-color: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

/* Status Badge with Accessible Accent Ink (7.54:1 contrast) */
.pw2-badge--status {
    background-color: var(--pw2-bg-tint);
    color: var(--pw2-accent-ink);
    border: 1px solid var(--pw2-border-tint);
}

.pw2-badge--neutral {
    background-color: var(--pw2-bg-muted);
    color: var(--pw2-text-secondary);
    border: 1px solid var(--pw2-border-default);
}

/* ══════════════════════════════════════════════════════════════════════════
   ACCESSIBILITY & UTILITY PRIMITIVES
   ══════════════════════════════════════════════════════════════════════════ */
.pw2-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.pw2-focus-ring:focus-visible {
    outline: 2px solid var(--pw2-focus-on-light);
    outline-offset: 2px;
}

/* Dark Section Focus Behavior (7.69:1 Contrast on Dark Petrol) */
.pw2-section--dark .pw2-btn:focus-visible,
.pw2-section--dark .pw2-focus-ring:focus-visible {
    outline: 2px solid var(--pw2-focus-on-dark);
    outline-offset: 2px;
}

.pw2-text-center {
    text-align: center;
}

.pw2-text-left {
    text-align: left;
}

/* Scoped Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    [class*="pw2-"] {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}