/* GRID Analyzer Landing Page Styles */
/* A distinctive, modern design with excellent UX */

/* ============================================================
   CSS VARIABLES
   ============================================================ */
:root {
    /* Graphite Base System - Light Theme */
    --graphite-950: #0A0A0F;
    --graphite-900: #14141A;
    --graphite-800: #1F1F28;
    --graphite-700: #2A2A36;
    --graphite-600: #3A3A4A;
    --graphite-500: #5A5A6E;
    --graphite-400: #8A8A9E;
    --graphite-300: #BABAC8;
    --graphite-200: #E0E0E8;
    --graphite-100: #F5F5F8;
    --graphite-50: #FAFAFC;

    /* Electric Cyan Accent System - Standardized from branding.json */
    --cyan-300: #66E8FF;
    --cyan-400: #33E0FF;
    --cyan-500: #00D9FF;
    --cyan-600: #00B8D4;
    --cyan-700: #0099B3;

    /* Amber Accent System - from branding.json */
    --amber-400: #FBBF24;
    --amber-500: #F59E0B;
    --amber-600: #D97706;
    --amber-700: #EA580C;

    /* Primary Colors (using Graphite + Cyan) */
    --primary: var(--cyan-500);
    --primary-hover: var(--cyan-400);
    --primary-active: var(--cyan-600);
    --primary-light: var(--cyan-300);
    --primary-dark: var(--cyan-700);

    /* Background Colors - Light Theme */
    --bg-primary: var(--graphite-50);
    --bg-secondary: var(--white);
    --bg-tertiary: var(--graphite-100);
    --bg-card: var(--white);
    --bg-overlay: rgba(10, 10, 15, 0.5);

    /* Text Colors - Light Theme */
    --text-primary: var(--graphite-900);
    --text-secondary: var(--graphite-600);
    --text-tertiary: var(--graphite-500);
    --text-muted: var(--graphite-400);
    --text-inverse: var(--white);

    /* Border Colors */
    --border-primary: var(--graphite-200);
    --border-secondary: var(--graphite-300);
    --border-accent: var(--cyan-500);

    /* Semantic Colors - WCAG AA compliant from branding.json */
    --success: #059669;
    --warning: #D97706;
    --error: #DC2626;
    --info: #0891B2;

    /* Legacy support (for gradual migration) */
    --primary-indigo: var(--cyan-500);
    --primary-indigo-hover: var(--cyan-400);
    --primary-indigo-light: var(--cyan-300);
    --primary-indigo-dark: var(--cyan-700);
    --accent-cyan: var(--cyan-500);
    --accent-emerald: var(--success);
    --accent-amber: var(--warning);
    --accent-rose: var(--error);
    --gray-950: var(--graphite-950);
    --gray-900: var(--graphite-900);
    --gray-800: var(--graphite-800);
    --gray-700: var(--graphite-700);
    --gray-600: var(--graphite-600);
    --gray-500: var(--graphite-500);
    --gray-400: var(--graphite-400);
    --gray-300: var(--graphite-300);
    --gray-200: var(--graphite-200);
    --gray-100: var(--graphite-100);
    --gray-50: var(--graphite-50);
    --white: #FFFFFF;

    /* Shadows with Cyan Glow */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 40px rgba(0, 217, 255, 0.3);
    --shadow-glow-strong: 0 0 60px rgba(0, 217, 255, 0.4);
    --shadow-cyan: 0 4px 20px rgba(0, 217, 255, 0.25);

    /* Typography - Aligned with branding.json */
    --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Monaco', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    --transition-smooth: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   DARK THEME
   ============================================================ */
[data-theme="dark"] {
    /* Background Colors - Dark Theme */
    --bg-primary: var(--graphite-950);
    --bg-secondary: var(--graphite-900);
    --bg-tertiary: var(--graphite-800);
    --bg-card: var(--graphite-800);
    --bg-overlay: rgba(0, 0, 0, 0.7);

    /* Text Colors - Dark Theme */
    --text-primary: var(--graphite-50);
    --text-secondary: var(--graphite-300);
    --text-tertiary: var(--graphite-400);
    --text-muted: var(--graphite-500);
    --text-inverse: var(--graphite-900);

    /* Border Colors - Dark Theme */
    --border-primary: var(--graphite-700);
    --border-secondary: var(--graphite-600);
    --border-accent: var(--cyan-500);

    /* Shadows - Dark Theme (more pronounced) */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(0, 217, 255, 0.4);
    --shadow-glow-strong: 0 0 80px rgba(0, 217, 255, 0.5);
    --shadow-cyan: 0 4px 30px rgba(0, 217, 255, 0.35);
}

/* ============================================================
   DARK THEME - COMPREHENSIVE SECTION STYLES
   ============================================================ */

/* Core Dark Theme Backgrounds */
html[data-theme="dark"],
html[data-theme="dark"] body {
    background: var(--graphite-950) !important;
    background-color: var(--graphite-950) !important;
    color: var(--graphite-50) !important;
}

html[data-theme="dark"] .problem,
html[data-theme="dark"] .solution,
html[data-theme="dark"] .audience-segment,
html[data-theme="dark"] .how-it-works,
html[data-theme="dark"] .social-stats-banner,
html[data-theme="dark"] .pricing,
html[data-theme="dark"] .beta,
html[data-theme="dark"] .faq,
html[data-theme="dark"] .social-proof,
html[data-theme="dark"] .press-mentions {
    background: var(--graphite-900) !important;
}

html[data-theme="dark"] .problem h2,
html[data-theme="dark"] .solution h2,
html[data-theme="dark"] .audience-segment h2,
html[data-theme="dark"] .how-it-works h2,
html[data-theme="dark"] .pricing h2,
html[data-theme="dark"] .beta h2,
html[data-theme="dark"] .faq h2,
html[data-theme="dark"] .social-proof h2,
html[data-theme="dark"] .hero-title {
    color: var(--graphite-50) !important;
}

html[data-theme="dark"] .hero-subtitle,
html[data-theme="dark"] p,
html[data-theme="dark"] .problem-card p,
html[data-theme="dark"] .feature-card p {
    color: var(--graphite-300) !important;
}

html[data-theme="dark"] .section-subtitle,
html[data-theme="dark"] .stats-subtitle {
    color: var(--graphite-400) !important;
}

/* Audience Segment Tabs */
html[data-theme="dark"] .segment-tabs .tab {
    background: var(--graphite-800) !important;
    color: var(--graphite-300) !important;
    border-color: var(--graphite-700) !important;
}

[data-theme="dark"] .segment-tabs .tab:hover {
    background: var(--graphite-700);
    color: var(--text-primary);
}

[data-theme="dark"] .segment-tabs .tab.active {
    background: var(--cyan-500);
    color: var(--graphite-950);
    border-color: var(--cyan-500);
}

[data-theme="dark"] .segment-content {
    background: var(--bg-tertiary);
    border-color: var(--border-primary);
}

[data-theme="dark"] .segment-content h3,
[data-theme="dark"] .segment-features li {
    color: var(--text-primary);
}

/* How It Works */
[data-theme="dark"] .step-card {
    background: var(--bg-tertiary);
    border-color: var(--border-primary);
}

[data-theme="dark"] .step-number {
    background: var(--cyan-500);
    color: var(--graphite-950);
}

[data-theme="dark"] .step-card h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .step-code {
    background: var(--graphite-950);
    border-color: var(--border-secondary);
}

/* Social Stats Banner */
[data-theme="dark"] .social-stats-banner {
    border-color: var(--border-primary);
}

[data-theme="dark"] .stat-number {
    color: var(--cyan-400);
}

[data-theme="dark"] .stat-label {
    color: var(--text-tertiary);
}

/* Pricing Section */
[data-theme="dark"] .pricing-card {
    background: var(--bg-tertiary);
    border-color: var(--border-primary);
}

[data-theme="dark"] .pricing-card.featured {
    border-color: var(--cyan-500);
    box-shadow: var(--shadow-glow);
}

[data-theme="dark"] .pricing-header h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .pricing-price {
    color: var(--cyan-400);
}

[data-theme="dark"] .pricing-features li {
    color: var(--text-secondary);
}

[data-theme="dark"] .pricing-roi {
    background: var(--bg-tertiary);
    border-color: var(--border-primary);
}

[data-theme="dark"] .pricing-roi h3,
[data-theme="dark"] .pricing-roi p {
    color: var(--text-primary);
}

/* Beta Section */
[data-theme="dark"] .beta-urgency {
    background: rgba(0, 217, 255, 0.1);
    border-color: rgba(0, 217, 255, 0.3);
    color: var(--cyan-400);
}

[data-theme="dark"] .beta-benefits li {
    color: var(--text-secondary);
}

[data-theme="dark"] .beta-form input {
    background: var(--bg-tertiary);
    border-color: var(--border-primary);
    color: var(--text-primary);
}

[data-theme="dark"] .beta-form input::placeholder {
    color: var(--text-muted);
}

/* FAQ Section */
[data-theme="dark"] .faq-item {
    background: var(--bg-tertiary);
    border-color: var(--border-primary);
}

[data-theme="dark"] .faq-item:hover,
[data-theme="dark"] .faq-item:focus {
    border-color: var(--cyan-500);
}

[data-theme="dark"] .faq-item h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .faq-item p {
    color: var(--text-secondary);
}

/* Social Proof / Testimonials */
[data-theme="dark"] .testimonial-card {
    background: var(--bg-tertiary);
    border-color: var(--border-primary);
}

[data-theme="dark"] .testimonial-card blockquote {
    color: var(--text-primary);
}

[data-theme="dark"] .testimonial-author {
    color: var(--text-secondary);
}

/* Press Mentions */
[data-theme="dark"] .press-card {
    background: var(--bg-tertiary);
    border-color: var(--border-primary);
}

[data-theme="dark"] .press-card h3 {
    color: var(--text-primary);
}

[data-theme="dark"] .press-card p {
    color: var(--text-secondary);
}

/* Live Activity Notification */
[data-theme="dark"] .live-activity-notification {
    background: var(--bg-tertiary);
    border-color: var(--border-primary);
    color: var(--text-primary);
}

[data-theme="dark"] .activity-text {
    color: var(--text-secondary);
}

/* Footer */
[data-theme="dark"] .footer {
    background: var(--graphite-950);
    border-color: var(--border-primary);
}

[data-theme="dark"] .footer-section h4 {
    color: var(--text-primary);
}

[data-theme="dark"] .footer-section a,
[data-theme="dark"] .footer-section p {
    color: var(--text-secondary);
}

[data-theme="dark"] .footer-section a:hover {
    color: var(--cyan-400);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================================
   SCROLL PROGRESS INDICATOR (Phase 1)
   ============================================================ */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-indigo) 0%, var(--accent-cyan) 100%);
    z-index: 10000;
    transition: width 0.1s ease-out;
}

@media (prefers-reduced-motion: reduce) {
    .scroll-progress {
        transition: none;
    }
}

/* ============================================================
   LOADING STATES (Phase 1 - Micro-interactions)
   ============================================================ */
.btn-loading {
    cursor: wait;
    opacity: 0.7;
    pointer-events: none;
}

.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: var(--space-sm);
    vertical-align: middle;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-text {
    vertical-align: middle;
}

@media (prefers-reduced-motion: reduce) {
    .loading-spinner {
        animation: none;
        border-top-color: currentColor;
    }
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color var(--transition-base), color var(--transition-base);
}

p {
    margin-bottom: 1.5rem;
    line-height: 1.65;
}

img, video {
    max-width: 100%;
    height: auto;
}

a {
    color: var(--primary-indigo);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-indigo-hover);
}

code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--gray-100);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
}

/* ============================================================
   ACCESSIBILITY
   ============================================================ */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-md);
    background: var(--primary-indigo);
    color: var(--white);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    z-index: 9999;
    font-weight: 600;
}

.skip-link:focus {
    top: var(--space-md);
}

.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;
}

:focus-visible {
    outline: 2px solid var(--primary-indigo);
    outline-offset: 2px;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ============================================================
   SECTION SCROLL INDICATORS (Phase 2)
   ============================================================ */
.scroll-indicators {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    align-items: center;
}

.scroll-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 12px;
    height: 12px;
    text-decoration: none;
    position: relative;
}

.indicator-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--gray-400);
    transition: all var(--transition-base);
    position: relative;
}

.scroll-indicator:hover .indicator-dot,
.scroll-indicator.active .indicator-dot {
    background: var(--primary-indigo);
    width: 12px;
    height: 12px;
}

.scroll-indicator.active .indicator-dot::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-indigo);
    border-radius: 50%;
    opacity: 0.3;
}

.scroll-indicator:hover .indicator-dot::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-indigo);
    border-radius: 50%;
    opacity: 0.2;
}

@media (prefers-reduced-motion: reduce) {
    .scroll-indicator .indicator-dot {
        transition: none;
    }
}

@media (max-width: 1024px) {
    .scroll-indicators {
        display: none; /* Hide on tablets and mobile for cleaner UI */
    }
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(250, 250, 252, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-primary);
    transition: background-color var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

/* Sticky nav state change on scroll (Phase 1) */
.nav.scrolled {
    background: rgba(250, 250, 252, 0.98);
    box-shadow: var(--shadow-sm);
    border-bottom-color: var(--border-secondary);
}

html[data-theme="dark"] .nav {
    background: rgba(10, 10, 15, 0.95) !important;
    border-bottom-color: var(--graphite-700) !important;
}

html[data-theme="dark"] .nav.scrolled {
    background: rgba(10, 10, 15, 0.98) !important;
    border-bottom-color: var(--graphite-600) !important;
}

@media (prefers-reduced-motion: reduce) {
    .nav {
        transition: none;
    }
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

.logo:hover {
    color: var(--cyan-500);
}

.logo-icon {
    width: 28px;
    height: 28px;
    object-fit: contain;
    transition: transform 0.3s ease;
    display: block;
}

.logo:hover .logo-icon {
    transform: rotate(15deg);
}

.nav-links {
    display: flex;
    gap: var(--space-xl);
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--cyan-500);
}

/* Theme Toggle Button */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: transparent;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    color: var(--text-secondary);
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    border-color: var(--cyan-500);
    color: var(--cyan-500);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 217, 255, 0.15);
}

.theme-toggle:active {
    transform: translateY(0);
}

.theme-toggle[aria-pressed="true"] {
    background: rgba(0, 217, 255, 0.1);
    border-color: var(--cyan-500);
    color: var(--cyan-500);
}

.theme-icon {
    width: 20px;
    height: 20px;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    color: var(--text-secondary);
}

.theme-toggle:hover .theme-icon {
    color: var(--cyan-500);
}

.theme-icon-light {
    display: block;
}

.theme-icon-dark {
    display: none;
    position: absolute;
}

[data-theme="dark"] .theme-icon-light {
    display: none !important;
}

[data-theme="dark"] .theme-icon-dark {
    display: block !important;
    position: static;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary,
.btn-primary-large,
.btn-primary-small {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    background: linear-gradient(135deg, var(--amber-500) 0%, var(--amber-600) 50%, var(--amber-700) 100%);
    color: var(--graphite-950) !important;
    font-family: var(--font-display);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-smooth);
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(245, 158, 11, 0.35), 0 0 40px rgba(245, 158, 11, 0.15);
    position: relative;
    overflow: hidden;
}

.btn-primary::before,
.btn-primary-large::before,
.btn-primary-small::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn-primary:hover::before,
.btn-primary-large:hover::before,
.btn-primary-small:hover::before {
    left: 100%;
}

.btn-primary-large {
    padding: var(--space-md) var(--space-xl);
    font-size: 1.125rem;
}

.btn-primary {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.btn-primary-small {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
}

.btn-primary:hover,
.btn-primary-large:hover,
.btn-primary-small:hover {
    background: linear-gradient(135deg, var(--amber-400) 0%, var(--amber-500) 50%, var(--amber-700) 100%);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 30px rgba(245, 158, 11, 0.45), 0 0 60px rgba(245, 158, 11, 0.25);
}

.btn-primary:active,
.btn-primary-large:active,
.btn-primary-small:active {
    transform: translateY(-1px) scale(1);
    box-shadow: var(--shadow-md);
}

.btn-primary:active,
.btn-primary-large:active,
.btn-primary-small:active {
    transform: translateY(-1px) scale(1);
    box-shadow: var(--shadow-md);
}

/* Button ripple effect (Phase 1 - Micro-interactions) */
.btn-primary,
.btn-primary-large,
.btn-primary-small,
.btn-secondary,
.btn-secondary-large {
    position: relative;
    overflow: hidden;
}

.btn-primary::after,
.btn-primary-large::after,
.btn-primary-small::after,
.btn-secondary::after,
.btn-secondary-large::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    pointer-events: none;
}

.btn-primary:active::after,
.btn-primary-large:active::after,
.btn-primary-small:active::after,
.btn-secondary:active::after,
.btn-secondary-large:active::after {
    width: 300px;
    height: 300px;
}

@media (prefers-reduced-motion: reduce) {
    .btn-primary::after,
    .btn-primary-large::after,
    .btn-primary-small::after,
    .btn-secondary::after,
    .btn-secondary-large::after {
        display: none;
    }
}

.btn-secondary,
.btn-secondary-large {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    background: transparent;
    color: var(--cyan-500);
    font-family: var(--font-display);
    font-weight: 600;
    border: 2px solid var(--cyan-500);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-smooth);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-secondary::before,
.btn-secondary-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(135deg, var(--cyan-500) 0%, var(--cyan-600) 100%);
    transition: width var(--transition-smooth);
    z-index: -1;
}

.btn-secondary:hover::before,
.btn-secondary-large:hover::before {
    width: 100%;
}

.btn-secondary-large {
    padding: calc(var(--space-md) - 2px) calc(var(--space-xl) - 2px);
    font-size: 1.125rem;
}

.btn-secondary {
    padding: calc(0.75rem - 2px) calc(1.5rem - 2px);
    font-size: 1rem;
}

.btn-secondary:hover,
.btn-secondary-large:hover {
    color: var(--white);
    border-color: var(--cyan-400);
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-cyan);
}

.btn-secondary:active,
.btn-secondary-large:active {
    transform: translateY(-1px) scale(1);
    box-shadow: var(--shadow-md);
}

.btn-icon {
    font-size: 0.875em;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
    padding: var(--space-3xl) 0 var(--space-4xl);
    position: relative;
    background:
        /* Noise texture overlay */
        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='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.03'/%3E%3C/svg%3E"),
        /* Gradient mesh */
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 217, 255, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 20% 80%, rgba(0, 217, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(0, 184, 212, 0.06) 0%, transparent 50%),
        /* Base gradient */
        linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    background-attachment: fixed;
}

html[data-theme="dark"] .hero {
    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='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.05'/%3E%3C/svg%3E"),
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(0, 217, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 20% 80%, rgba(0, 217, 255, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(0, 184, 212, 0.08) 0%, transparent 50%),
        linear-gradient(180deg, var(--graphite-950) 0%, var(--graphite-900) 100%) !important;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto var(--space-3xl);
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.12) 0%, rgba(0, 184, 212, 0.08) 100%);
    border: 1px solid rgba(0, 217, 255, 0.25);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--cyan-700);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
    box-shadow: 0 2px 8px rgba(0, 217, 255, 0.1);
}

.hero-badge:hover {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.18) 0%, rgba(0, 184, 212, 0.12) 100%);
    border-color: rgba(0, 217, 255, 0.4);
    box-shadow: 0 4px 12px rgba(0, 217, 255, 0.2);
    transform: translateY(-1px);
}

[data-theme="dark"] .hero-badge {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.15) 0%, rgba(0, 184, 212, 0.1) 100%);
    border-color: rgba(0, 217, 255, 0.3);
    color: var(--cyan-400);
    box-shadow: 0 2px 12px rgba(0, 217, 255, 0.15);
}

.hero-metrics {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    margin: var(--space-xl) 0;
    flex-wrap: wrap;
}

.metric {
    text-align: center;
}

.metric-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--cyan-500);
    line-height: 1.2;
    background: linear-gradient(135deg, var(--cyan-500) 0%, var(--cyan-600) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.metric:nth-child(1) .metric-number {
    animation-delay: 0.1s;
}

.metric:nth-child(2) .metric-number {
    animation-delay: 0.2s;
}

.metric:nth-child(3) .metric-number {
    animation-delay: 0.3s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .metric-number {
        animation: none;
        opacity: 1;
        transform: none;
    }
}

.metric-label {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: var(--space-xs);
}

.badge-pulse {
    width: 8px;
    height: 8px;
    background: var(--accent-emerald);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.highlight {
    background: linear-gradient(135deg, var(--primary-indigo) 0%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto var(--space-xl);
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}

.hero-note {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    flex-wrap: wrap;
    color: var(--gray-500);
    font-size: 0.875rem;
}

.hero-badge-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.hero-visual {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

/* Demo Video Container (Phase 3) */
.demo-video-container {
    width: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    background: var(--gray-950);
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background: var(--gray-950);
}

.demo-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: var(--gray-950);
}

.video-play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(79, 70, 229, 0.9);
    border: none;
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: 10;
    color: var(--white);
}

.video-play-overlay:hover {
    background: rgba(79, 70, 229, 1);
    transform: translate(-50%, -50%) scale(1.1);
}

.video-play-overlay.playing {
    opacity: 0;
    pointer-events: none;
}

.play-icon {
    font-size: 1.5rem;
    margin-bottom: var(--space-xs);
}

.play-text {
    font-size: 0.75rem;
    font-weight: 600;
}

.demo-placeholder {
    background: var(--gray-950);
    color: var(--accent-cyan);
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    font-family: var(--font-mono);
    text-align: center;
    font-size: 1rem;
    box-shadow: var(--shadow-xl);
}

/* ============================================================
   PROBLEM SECTION
   ============================================================ */
.problem {
    padding: var(--space-4xl) 0;
    background: var(--white);
}

.problem h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    color: var(--gray-900);
    margin-bottom: var(--space-2xl);
}

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

.problem-card {
    text-align: center;
    padding: var(--space-xl);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    transition: all var(--transition-smooth);
    transform: translateY(0) scale(1);
    border: 1px solid var(--border-primary);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.problem-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(0, 217, 255, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-smooth);
    pointer-events: none;
}

.problem-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: var(--shadow-lg), var(--shadow-cyan);
    border-color: var(--cyan-500);
    background: var(--bg-card);
}

.problem-card:hover::after {
    opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
    .problem-card:hover {
        transform: none;
    }
}

.problem-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.problem-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.problem-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ============================================================
   SOLUTION / FEATURES SECTION
   ============================================================ */
.solution {
    padding: var(--space-4xl) 0;
    background: var(--gray-50);
}

.solution h2,
.section-subtitle {
    text-align: center;
}

.solution h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: var(--space-2xl);
}

.solution-examples {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    max-width: 800px;
    margin: 0 auto var(--space-3xl);
}

.example-card {
    background: var(--gray-950);
    border-radius: var(--radius-lg);
    overflow: hidden;
    font-family: var(--font-mono);
    box-shadow: var(--shadow-lg);
}

.example-query {
    padding: var(--space-md) var(--space-lg);
    background: var(--gray-900);
    color: var(--accent-cyan);
    font-size: 0.9rem;
    border-bottom: 1px solid var(--gray-800);
}

.example-query code {
    background: transparent;
    padding: 0;
    color: inherit;
}

.prompt {
    color: var(--accent-amber);
    margin-right: var(--space-sm);
    font-weight: 600;
}

.example-response {
    padding: var(--space-md) var(--space-lg);
    color: var(--gray-300);
    font-size: 0.85rem;
    line-height: 1.8;
}

.example-response code {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-emerald);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
}

.response-success {
    color: var(--accent-emerald);
}

.response-warning {
    color: var(--accent-amber);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    background: var(--bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-primary);
    transition: all var(--transition-smooth);
    transform: translateY(0);
    position: relative;
    overflow: visible;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--cyan-500) 0%, var(--cyan-600) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-smooth);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.feature-card:hover {
    box-shadow: var(--shadow-lg), var(--shadow-cyan);
    border-color: var(--cyan-500);
    transform: translateY(-6px) scale(1.01);
    z-index: 10;
    background: var(--bg-secondary);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

[data-theme="dark"] .feature-card {
    background: var(--bg-card);
    border-color: var(--border-primary);
}

[data-theme="dark"] .feature-card:hover {
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    background: var(--bg-tertiary);
}

/* Feature Preview on Hover (Phase 2) */
.feature-preview {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-10px);
    width: 320px;
    max-width: 90vw;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
    z-index: 100;
    margin-bottom: var(--space-md);
}

.feature-card:hover .feature-preview {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.preview-content {
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-lg);
    position: relative;
}

.preview-content::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 16px;
    height: 16px;
    background: var(--white);
    border-right: 1px solid var(--gray-300);
    border-bottom: 1px solid var(--gray-300);
    transform: translateX(-50%) rotate(45deg);
}

.preview-placeholder {
    text-align: center;
    padding: var(--space-xl);
    color: var(--gray-600);
}

.preview-placeholder .preview-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--space-sm);
}

.preview-placeholder p {
    font-size: 0.875rem;
    margin: 0;
    color: var(--gray-500);
}

/* When actual preview images/GIFs are added, use this structure:
.feature-preview img,
.feature-preview video {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    display: block;
}
*/

@media (prefers-reduced-motion: reduce) {
    .feature-preview {
        transition: none;
    }
}

/* Hide previews on mobile for better UX */
@media (max-width: 768px) {
    .feature-preview {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .feature-card:hover {
        transform: none;
    }

    .feature-preview {
        transition: none;
    }
}

/* Hide previews on mobile for better UX */
@media (max-width: 768px) {
    .feature-preview {
        display: none;
    }
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* ============================================================
   SOCIAL STATS BANNER
   ============================================================ */
.social-stats-banner {
    padding: var(--space-3xl) 0;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
}

.stats-subtitle {
    text-align: center;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xl);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
    align-items: center;
    justify-items: center;
    max-width: 800px;
    margin: 0 auto;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-indigo);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: var(--space-xs);
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-lg);
    }
}

/* ============================================================
   USE CASES SECTION
   ============================================================ */
.use-cases {
    padding: var(--space-4xl) 0;
    background: var(--white);
}

.use-cases h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    color: var(--gray-900);
    margin-bottom: var(--space-2xl);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.use-case-card {
    padding: var(--space-lg);
    background: var(--gray-50);
    border-left: 4px solid var(--primary-indigo);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    transition: all var(--transition-base);
    transform: translateX(0);
}

.use-case-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

@media (prefers-reduced-motion: reduce) {
    .use-case-card:hover {
        transform: none;
    }
}

.use-case-card h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.use-case-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* ============================================================
   HOW IT WORKS SECTION
   ============================================================ */
.how-it-works {
    padding: var(--space-4xl) 0;
    background: var(--gray-50);
}

.how-it-works h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-2xl);
}

.step {
    text-align: center;
    padding: var(--space-xl);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.step-number {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-indigo) 0%, var(--accent-cyan) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 auto var(--space-md);
}

.step h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.step code {
    display: block;
    margin-top: var(--space-sm);
    font-size: 0.9rem;
    padding: var(--space-sm);
    background: var(--gray-100);
    border-radius: var(--radius-sm);
}

.install-command {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.install-command code {
    flex: 1;
    margin: 0;
}

.copy-btn {
    background: var(--gray-200);
    border: none;
    border-radius: var(--radius-sm);
    padding: var(--space-xs) var(--space-sm);
    cursor: pointer;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.copy-btn:hover {
    background: var(--gray-300);
}

/* ============================================================
   AUDIENCE SEGMENTATION SECTION
   ============================================================ */
.audience-segment {
    padding: var(--space-4xl) 0;
    background: var(--white);
}

.audience-segment h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    color: var(--gray-900);
    margin-bottom: var(--space-2xl);
}

.segment-tabs {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.segment-tabs .tab {
    padding: var(--space-md) var(--space-xl);
    background: var(--gray-100);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--gray-700);
}

.segment-tabs .tab:hover {
    background: var(--gray-200);
}

.segment-tabs .tab:focus-visible {
    outline: 2px solid var(--primary-indigo);
    outline-offset: 2px;
}

.segment-tabs .tab.active {
    background: var(--primary-indigo);
    color: var(--white);
    border-color: var(--primary-indigo);
}

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

.segment-content h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-lg);
}

.segment-features {
    list-style: none;
    text-align: left;
    max-width: 400px;
    margin: var(--space-lg) auto;
}

.segment-features li {
    padding: var(--space-sm) 0;
    padding-left: var(--space-lg);
    position: relative;
    color: var(--gray-700);
}

.segment-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-emerald);
    font-weight: bold;
}

@media (max-width: 768px) {
    .segment-tabs {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .segment-tabs .tab {
        width: 100%;
    }
}

/* ============================================================
   PRICING SECTION
   ============================================================ */
.pricing {
    padding: var(--space-4xl) 0;
    background: var(--gray-50);
}

.pricing h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    position: relative;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    transform: translateY(0) scale(1);
}

.pricing-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: var(--shadow-xl);
}

@media (prefers-reduced-motion: reduce) {
    .pricing-card:hover {
        transform: none;
    }
}

.pricing-card.featured {
    border: 2px solid var(--primary-indigo);
    transform: scale(1.02);
}

.pricing-card.featured:hover {
    transform: scale(1.02) translateY(-4px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-indigo) 0%, var(--accent-cyan) 100%);
    color: var(--white);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.pricing-header h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.pricing-price {
    margin-bottom: var(--space-xs);
}

.price-amount {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--gray-900);
}

.price-period {
    font-size: 1rem;
    color: var(--gray-500);
}

.pricing-save {
    font-size: 0.875rem;
    color: var(--accent-emerald);
    font-weight: 600;
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--space-xl);
    flex-grow: 1;
}

.pricing-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

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

.feature-check {
    color: var(--accent-emerald);
    font-weight: 600;
}

.feature-unavailable {
    color: var(--gray-400);
}

.pricing-card button,
.pricing-card a.btn-primary,
.pricing-card a.btn-secondary {
    width: 100%;
}

.pricing-note {
    text-align: center;
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: var(--space-sm);
}

.pricing-roi {
    margin-top: var(--space-3xl);
    background: linear-gradient(135deg, var(--accent-emerald) 0%, var(--accent-cyan) 100%);
    color: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    text-align: center;
}

.pricing-roi h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.pricing-roi p {
    font-size: 1.125rem;
    margin-bottom: var(--space-xs);
}

/* ============================================================
   BETA SIGNUP SECTION
   ============================================================ */
.beta {
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, var(--primary-indigo) 0%, var(--primary-indigo-dark) 100%);
    color: var(--white);
}

.beta h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-sm);
}

.beta .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.beta-urgency {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    margin: 0 auto var(--space-xl);
    width: fit-content;
    font-weight: 500;
}

.urgency-icon {
    animation: pulse 1.5s infinite;
}

.beta-benefits {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.benefit {
    font-size: 1rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.beta-form {
    max-width: 500px;
    margin: 0 auto;
}

.form-row {
    display: flex;
    gap: var(--space-sm);
    width: 100%;
}

.form-row input {
    flex: 1;
    padding: var(--space-md);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    transition: all var(--transition-fast);
}

.form-row input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-row input:focus {
    outline: none;
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.15);
}

.form-row button {
    white-space: nowrap;
}

.beta-note {
    text-align: center;
    margin-top: var(--space-sm);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

@media (max-width: 480px) {
    .form-row {
        flex-direction: column;
    }

    .form-row button {
        width: 100%;
    }
}

.beta-privacy {
    text-align: center;
    margin-top: var(--space-md);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.beta-success {
    max-width: 500px;
    margin: var(--space-xl) auto 0;
    padding: var(--space-xl);
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid rgba(16, 185, 129, 0.4);
    border-radius: var(--radius-lg);
    text-align: center;
}

.beta-success h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.beta-success-cta {
    margin-top: var(--space-md);
}

.beta-success-cta a {
    color: var(--white);
    text-decoration: underline;
}

/* ============================================================
   FAQ SECTION
   ============================================================ */
.faq {
    padding: var(--space-4xl) 0;
    background: var(--white);
}

.faq h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    color: var(--gray-900);
    margin-bottom: var(--space-2xl);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-lg);
}

.faq-item {
    padding: var(--space-lg);
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.faq-item:hover,
.faq-item:focus {
    background: var(--white);
    box-shadow: var(--shadow-md);
}

.faq-item h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
    padding-right: var(--space-lg);
    position: relative;
}

.faq-item h3::after {
    content: '+';
    position: absolute;
    right: 0;
    top: 0;
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--gray-400);
    transition: transform var(--transition-fast);
}

.faq-item.faq-active h3::after {
    transform: rotate(45deg);
}

.faq-item p {
    color: var(--gray-600);
    line-height: 1.6;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item.faq-active p {
    max-height: 500px;
    padding-top: var(--space-sm);
}

/* ============================================================
   SOCIAL PROOF / TESTIMONIALS
   ============================================================ */
.social-proof {
    padding: var(--space-4xl) 0;
    background: var(--gray-50);
}

.social-proof h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.testimonial-card {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
    transform: translateY(0);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px) scale(1.01);
}

@media (prefers-reduced-motion: reduce) {
    .testimonial-card:hover {
        transform: none;
    }
}

.testimonial-stars {
    color: var(--accent-amber);
    font-size: 1rem;
    letter-spacing: 2px;
    margin-bottom: var(--space-md);
}

.testimonial-quote {
    font-size: 1rem;
    color: var(--gray-700);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-indigo) 0%, var(--accent-cyan) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 600;
    font-size: 0.875rem;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-info strong {
    font-weight: 600;
    color: var(--gray-900);
}

.author-info span {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.social-stats {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-3xl);
    margin-top: var(--space-3xl);
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--gray-200);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-indigo);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: var(--space-xs);
}

/* Hide old placeholder */
.testimonials-placeholder {
    display: none;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about {
    padding: var(--space-4xl) 0;
    background: var(--gray-50);
}

.about h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-sm);
    color: var(--gray-900);
}

.about .section-subtitle {
    text-align: center;
    color: var(--gray-600);
    margin-bottom: var(--space-3xl);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-story,
.about-philosophy,
.about-principle,
.about-honesty,
.about-evolution,
.about-closing {
    margin-bottom: var(--space-2xl);
}

.about-content h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--amber-500);
    display: inline-block;
}

.about-content p {
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--gray-700);
    margin-bottom: var(--space-md);
}

.about-content p:last-child {
    margin-bottom: 0;
}

.about-content em {
    font-style: italic;
    color: var(--gray-800);
    background: var(--amber-100);
    padding: 0.1em 0.3em;
    border-radius: 3px;
}

.about-closing {
    text-align: center;
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--gray-200);
}

.about-closing p {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--gray-800);
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: var(--space-xl);
    margin-top: var(--space-lg);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 4px;
    bottom: 4px;
    width: 2px;
    background: linear-gradient(to bottom, var(--amber-400), var(--amber-600));
    border-radius: 1px;
}

.timeline-item {
    position: relative;
    margin-bottom: var(--space-lg);
    padding-left: var(--space-md);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: calc(-1 * var(--space-xl) + 2px);
    top: 6px;
    width: 10px;
    height: 10px;
    background: var(--amber-500);
    border-radius: 50%;
    border: 2px solid var(--white);
    box-shadow: 0 0 0 2px var(--amber-200);
}

.timeline-date {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--amber-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.timeline-event {
    display: block;
    font-size: 0.9375rem;
    color: var(--gray-700);
    line-height: 1.5;
}

/* About Section Dark Mode */
html[data-theme="dark"] .about,
[data-theme="dark"] .about {
    background: var(--graphite-900);
}

html[data-theme="dark"] .about h2,
[data-theme="dark"] .about h2 {
    color: var(--gray-100);
}

html[data-theme="dark"] .about .section-subtitle,
[data-theme="dark"] .about .section-subtitle {
    color: var(--gray-400);
}

html[data-theme="dark"] .about-content h3,
[data-theme="dark"] .about-content h3 {
    color: var(--gray-200);
    border-bottom-color: var(--amber-400);
}

html[data-theme="dark"] .about-content p,
[data-theme="dark"] .about-content p {
    color: var(--gray-300);
}

html[data-theme="dark"] .about-content em,
[data-theme="dark"] .about-content em {
    color: var(--gray-200);
    background: rgba(245, 158, 11, 0.15);
}

html[data-theme="dark"] .about-closing,
[data-theme="dark"] .about-closing {
    border-top-color: var(--gray-700);
}

html[data-theme="dark"] .about-closing p,
[data-theme="dark"] .about-closing p {
    color: var(--gray-200);
}

html[data-theme="dark"] .timeline::before,
[data-theme="dark"] .timeline::before {
    background: linear-gradient(to bottom, var(--amber-500), var(--amber-700));
}

html[data-theme="dark"] .timeline-item::before,
[data-theme="dark"] .timeline-item::before {
    background: var(--amber-500);
    border-color: var(--graphite-900);
    box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.3);
}

html[data-theme="dark"] .timeline-date,
[data-theme="dark"] .timeline-date {
    color: var(--amber-400);
}

html[data-theme="dark"] .timeline-event,
[data-theme="dark"] .timeline-event {
    color: var(--gray-300);
}

/* ============================================================
   FINAL CTA
   ============================================================ */
.final-cta {
    padding: var(--space-4xl) 0;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-950) 100%);
    color: var(--white);
    text-align: center;
}

.final-cta h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.final-cta > .container > p {
    font-size: 1.25rem;
    color: var(--gray-400);
    margin-bottom: var(--space-xl);
}

.cta-note {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: var(--space-md);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: var(--gray-950);
    color: var(--gray-300);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: var(--space-md);
}

.footer-brand > p {
    color: var(--gray-400);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.footer-social a {
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

.footer-social a:hover {
    color: var(--white);
}

.footer-section h4 {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--space-md);
}

.footer-section a {
    display: block;
    color: var(--gray-400);
    margin-bottom: var(--space-sm);
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--accent-cyan);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--space-xl);
    text-align: center;
    color: var(--gray-500);
}

.footer-bottom p {
    margin-bottom: var(--space-xs);
}

.footer-bottom a {
    color: var(--gray-400);
}

.footer-bottom a:hover {
    color: var(--white);
}

/* ============================================================
   LEGAL PAGES
   ============================================================ */
.legal-page {
    padding: var(--space-3xl) 0;
    min-height: 60vh;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-sm);
}

.legal-updated {
    color: var(--gray-500);
    margin-bottom: var(--space-2xl);
}

.legal-section {
    margin-bottom: var(--space-2xl);
}

.legal-section h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 2px solid var(--gray-200);
}

.legal-section h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
    margin: var(--space-lg) 0 var(--space-sm);
}

.legal-section p {
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.legal-section ul {
    list-style: none;
    margin-bottom: var(--space-md);
}

.legal-section ul li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-sm);
    color: var(--gray-700);
    line-height: 1.6;
}

.legal-section ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-indigo);
    font-weight: bold;
}

.privacy-highlight {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin: var(--space-lg) 0;
}

.privacy-highlight h3 {
    margin-top: 0 !important;
    color: var(--primary-indigo);
}

.legal-footer {
    margin-top: var(--space-3xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--gray-200);
    text-align: center;
}

.legal-footer p {
    color: var(--gray-500);
    margin-bottom: var(--space-lg);
}

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-brand {
        grid-column: span 2;
        max-width: none;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .hero-cta .btn-primary-large,
    .hero-cta .btn-secondary-large {
        width: 100%;
        max-width: 300px;
    }

    .hero-note {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 80px var(--space-xl) var(--space-xl);
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
        transition: right var(--transition-slow);
        z-index: 1000;
    }

    .nav-links.nav-open {
        display: flex;
        right: 0;
    }

    .nav-links a {
        padding: var(--space-md) 0;
        border-bottom: 1px solid var(--gray-100);
        width: 100%;
    }

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

    .pricing-card.featured {
        transform: none;
    }

    .pricing-card.featured:hover {
        transform: translateY(-4px);
    }

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

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

    .social-stats {
        gap: var(--space-xl);
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        max-width: none;
    }

    .footer-logo {
        justify-content: center;
    }

    .footer-social {
        justify-content: center;
    }

    .beta-benefits {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .stat-number {
        font-size: 2rem;
    }

    .price-amount {
        font-size: 2.5rem;
    }
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Apply animations to sections when they come into view */
.hero-content {
    animation: fadeInUp 0.6s ease-out;
}

.hero-visual {
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

/* Reduced motion preference */
/* ============================================================
   PHASE 2: SCROLL-TRIGGERED REVEAL ANIMATIONS
   ============================================================ */

.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animations for child elements */
.reveal-on-scroll-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
    min-height: 1px; /* Ensure elements take space even when invisible */
}

.reveal-on-scroll-stagger.revealed > *:nth-child(1) { transition-delay: 0.1s; }
.reveal-on-scroll-stagger.revealed > *:nth-child(2) { transition-delay: 0.2s; }
.reveal-on-scroll-stagger.revealed > *:nth-child(3) { transition-delay: 0.3s; }
.reveal-on-scroll-stagger.revealed > *:nth-child(4) { transition-delay: 0.4s; }
.reveal-on-scroll-stagger.revealed > *:nth-child(5) { transition-delay: 0.5s; }
.reveal-on-scroll-stagger.revealed > *:nth-child(6) { transition-delay: 0.6s; }

.reveal-on-scroll-stagger.revealed > * {
    opacity: 1 !important;
    transform: translateY(0);
    visibility: visible;
}

/* Fade in from left */
.reveal-on-scroll-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-on-scroll-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

/* Fade in from right */
.reveal-on-scroll-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-on-scroll-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

/* Scale in */
.reveal-on-scroll-scale {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal-on-scroll-scale.revealed {
    opacity: 1;
    transform: scale(1);
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    /* Disable reveal animations for reduced motion */
    .reveal-on-scroll,
    .reveal-on-scroll-left,
    .reveal-on-scroll-right,
    .reveal-on-scroll-scale {
        opacity: 1 !important;
        transform: none !important;
    }

    .reveal-on-scroll-stagger > * {
        opacity: 1 !important;
        transform: none !important;
        visibility: visible !important;
    }
}

/* ============================================================
   DARK MODE
   ============================================================ */
[data-theme="dark"] {
    /* Dark mode color overrides */
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        /* Background Colors - Inverted */
        --bg-primary: #0F0F14;
        --bg-secondary: #18181B;
        --bg-tertiary: #27272A;

        /* Text Colors - Inverted */
        --text-primary: #FAFAFA;
        --text-secondary: #E4E4E7;
        --text-tertiary: #A1A1AA;

        /* Surface Colors */
        --surface-elevated: #27272A;
        --surface-hover: #3F3F46;

        /* Border Colors */
        --border-primary: #3F3F46;
        --border-secondary: #52525B;
    }
}

[data-theme="dark"] body {
    background: var(--gray-950);
    color: var(--gray-100);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) body {
        background: var(--gray-950);
        color: var(--gray-100);
    }

    /* Navigation */
    .nav {
        background: rgba(15, 15, 20, 0.95);
        border-bottom-color: var(--gray-800);
    }

    .nav.scrolled {
        background: rgba(15, 15, 20, 0.98);
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    }

    .logo {
        color: var(--gray-100);
    }

    .nav-links a {
        color: var(--gray-400);
    }

    .nav-links a:hover {
        color: var(--gray-100);
    }

    /* Hero Section */
    .hero {
        background: linear-gradient(180deg, var(--gray-950) 0%, var(--gray-900) 100%);
    }

    .hero-title,
    .hero-subtitle {
        color: var(--gray-100);
    }

    .hero-badge {
        background: rgba(79, 70, 229, 0.2);
        border-color: var(--primary-indigo);
        color: var(--primary-indigo-light);
    }

    /* Problem Section */
    .problem {
        background: var(--gray-900);
    }

    .problem h2 {
        color: var(--gray-100);
    }

    .problem-card {
        background: var(--gray-800);
        border: 1px solid var(--gray-700);
    }

    .problem-card:hover {
        background: var(--gray-700);
        border-color: var(--primary-indigo);
    }

    .problem-card h3 {
        color: var(--gray-100);
    }

    .problem-card p {
        color: var(--gray-300);
    }

    /* Solution Section */
    .solution {
        background: var(--gray-950);
    }

    .solution h2 {
        color: var(--gray-100);
    }

    .section-subtitle {
        color: var(--gray-300);
    }

    .feature-card {
        background: var(--gray-800);
        border-color: var(--gray-700);
    }

    .feature-card:hover {
        background: var(--gray-700);
        border-color: var(--primary-indigo);
    }

    .feature-card h3 {
        color: var(--gray-100);
    }

    .feature-card p {
        color: var(--gray-300);
    }

    /* Logo Wall */
    .logo-wall {
        background: var(--gray-900);
        border-color: var(--gray-800);
    }

    .logo-wall-subtitle {
        color: var(--gray-400);
    }

    /* Use Cases */
    .use-cases {
        background: var(--gray-950);
    }

    .use-cases h2 {
        color: var(--gray-100);
    }

    .use-case-card {
        background: var(--gray-800);
        border-left-color: var(--primary-indigo);
    }

    .use-case-card:hover {
        background: var(--gray-700);
    }

    .use-case-card h3 {
        color: var(--gray-100);
    }

    .use-case-card p {
        color: var(--gray-300);
    }

    /* Pricing */
    .pricing {
        background: var(--gray-900);
    }

    .pricing h2 {
        color: var(--gray-100);
    }

    .pricing-card {
        background: var(--gray-800);
        border-color: var(--gray-700);
    }

    .pricing-card.featured {
        border-color: var(--primary-indigo);
        background: var(--gray-800);
    }

    .pricing-card h3 {
        color: var(--gray-100);
    }

    .price-amount {
        color: var(--gray-100);
    }

    .pricing-features li {
        color: var(--gray-300);
    }

    /* Beta Section */
    .beta {
        background: var(--gray-950);
    }

    .beta h2 {
        color: var(--gray-100);
    }

    .beta-form input {
        background: var(--gray-800);
        border-color: var(--gray-700);
        color: var(--gray-100);
    }

    .beta-form input::placeholder {
        color: var(--gray-500);
    }

    .beta-form input:focus {
        border-color: var(--primary-indigo);
        background: var(--gray-700);
    }

    /* FAQ */
    .faq {
        background: var(--gray-900);
    }

    .faq h2 {
        color: var(--gray-100);
    }

    .faq-item {
        background: var(--gray-800);
        border: 1px solid var(--gray-700);
    }

    .faq-item:hover {
        background: var(--gray-700);
    }

    .faq-item h3 {
        color: var(--gray-100);
    }

    .faq-item p {
        color: var(--gray-300);
    }

    /* Social Proof */
    .social-proof {
        background: var(--gray-950);
    }

    .social-proof h2 {
        color: var(--gray-100);
    }

    .testimonial-card {
        background: var(--gray-800);
        border-color: var(--gray-700);
    }

    .testimonial-quote {
        color: var(--gray-300);
    }

    .testimonial-author strong {
        color: var(--gray-100);
    }

    /* Press Mentions */
    .press-mentions {
        background: var(--gray-900);
        border-color: var(--gray-800);
    }

    .press-title {
        color: var(--gray-100);
    }

    .press-item {
        background: var(--gray-800);
        border-color: var(--gray-700);
    }

    .press-item:hover {
        border-color: var(--primary-indigo);
    }

    .press-quote {
        color: var(--gray-300);
    }

    .press-badge {
        background: var(--gray-800);
        border-color: var(--gray-700);
        color: var(--gray-300);
    }

    /* Final CTA */
    .final-cta {
        background: var(--gray-950);
    }

    .final-cta h2 {
        color: var(--gray-100);
    }

    /* Footer */
    footer {
        background: var(--gray-950);
        border-top-color: var(--gray-800);
    }

    footer,
    footer a {
        color: var(--gray-400);
    }

    footer a:hover {
        color: var(--gray-100);
    }

    /* Scroll Indicators */
    .indicator-dot {
        background: var(--gray-600);
    }

    .scroll-indicator:hover .indicator-dot,
    .scroll-indicator.active .indicator-dot {
        background: var(--primary-indigo-light);
    }

    /* Terminal/Demo */
    .demo-placeholder,
    .terminal-window {
        background: var(--gray-900);
        border-color: var(--gray-800);
    }

    /* Video Testimonials */
    .video-testimonial-card {
        background: var(--gray-800);
        border-color: var(--gray-700);
    }

    .video-testimonial-content .testimonial-quote {
        color: var(--gray-300);
    }
}

/* Additional [data-theme="dark"] selectors for manual theme toggle */
[data-theme="dark"] .nav { background: rgba(15, 15, 20, 0.95); border-bottom-color: var(--gray-800); }
[data-theme="dark"] .nav.scrolled { background: rgba(15, 15, 20, 0.98); box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3); }
[data-theme="dark"] .logo { color: var(--gray-100); }
[data-theme="dark"] .nav-links a { color: var(--gray-400); }
[data-theme="dark"] .nav-links a:hover { color: var(--gray-100); }
[data-theme="dark"] .hero { background: linear-gradient(180deg, var(--gray-950) 0%, var(--gray-900) 100%); }
[data-theme="dark"] .hero-title, [data-theme="dark"] .hero-subtitle { color: var(--gray-100); }
[data-theme="dark"] .hero-badge { background: rgba(79, 70, 229, 0.2); border-color: var(--primary-indigo); color: var(--primary-indigo-light); }
[data-theme="dark"] .problem { background: var(--gray-900); }
[data-theme="dark"] .problem h2 { color: var(--gray-100); }
[data-theme="dark"] .problem-card { background: var(--gray-800); border: 1px solid var(--gray-700); }
[data-theme="dark"] .problem-card:hover { background: var(--gray-700); border-color: var(--primary-indigo); }
[data-theme="dark"] .problem-card h3 { color: var(--gray-100); }
[data-theme="dark"] .problem-card p { color: var(--gray-300); }
[data-theme="dark"] .solution { background: var(--gray-950); }
[data-theme="dark"] .solution h2 { color: var(--gray-100); }
[data-theme="dark"] .section-subtitle { color: var(--gray-300); }
[data-theme="dark"] .feature-card { background: var(--gray-800); border-color: var(--gray-700); }
[data-theme="dark"] .feature-card:hover { background: var(--gray-700); border-color: var(--primary-indigo); }
[data-theme="dark"] .feature-card h3 { color: var(--gray-100); }
[data-theme="dark"] .feature-card p { color: var(--gray-300); }
[data-theme="dark"] .logo-wall { background: var(--gray-900); border-color: var(--gray-800); }
[data-theme="dark"] .logo-wall-subtitle { color: var(--gray-400); }
[data-theme="dark"] .use-cases { background: var(--gray-950); }
[data-theme="dark"] .use-cases h2 { color: var(--gray-100); }
[data-theme="dark"] .use-case-card { background: var(--gray-800); border-left-color: var(--primary-indigo); }
[data-theme="dark"] .use-case-card:hover { background: var(--gray-700); }
[data-theme="dark"] .use-case-card h3 { color: var(--gray-100); }
[data-theme="dark"] .use-case-card p { color: var(--gray-300); }
[data-theme="dark"] .pricing { background: var(--gray-900); }
[data-theme="dark"] .pricing h2 { color: var(--gray-100); }
[data-theme="dark"] .pricing-card { background: var(--gray-800); border-color: var(--gray-700); }
[data-theme="dark"] .pricing-card.featured { border-color: var(--primary-indigo); background: var(--gray-800); }
[data-theme="dark"] .pricing-card h3 { color: var(--gray-100); }
[data-theme="dark"] .price-amount { color: var(--gray-100); }
[data-theme="dark"] .pricing-features li { color: var(--gray-300); }
[data-theme="dark"] .beta { background: var(--gray-950); }
[data-theme="dark"] .beta h2 { color: var(--gray-100); }
[data-theme="dark"] .beta-form input { background: var(--gray-800); border-color: var(--gray-700); color: var(--gray-100); }
[data-theme="dark"] .beta-form input::placeholder { color: var(--gray-500); }
[data-theme="dark"] .beta-form input:focus { border-color: var(--primary-indigo); background: var(--gray-700); }
[data-theme="dark"] .faq { background: var(--gray-900); }
[data-theme="dark"] .faq h2 { color: var(--gray-100); }
[data-theme="dark"] .faq-item { background: var(--gray-800); border: 1px solid var(--gray-700); }
[data-theme="dark"] .faq-item:hover { background: var(--gray-700); }
[data-theme="dark"] .faq-item h3 { color: var(--gray-100); }
[data-theme="dark"] .faq-item p { color: var(--gray-300); }
[data-theme="dark"] .social-proof { background: var(--gray-950); }
[data-theme="dark"] .social-proof h2 { color: var(--gray-100); }
[data-theme="dark"] .testimonial-card { background: var(--gray-800); border-color: var(--gray-700); }
[data-theme="dark"] .testimonial-quote { color: var(--gray-300); }
[data-theme="dark"] .testimonial-author strong { color: var(--gray-100); }
[data-theme="dark"] .press-mentions { background: var(--gray-900); border-color: var(--gray-800); }
[data-theme="dark"] .press-title { color: var(--gray-100); }
[data-theme="dark"] .press-item { background: var(--gray-800); border-color: var(--gray-700); }
[data-theme="dark"] .press-item:hover { border-color: var(--primary-indigo); }
[data-theme="dark"] .press-quote { color: var(--gray-300); }
[data-theme="dark"] .press-badge { background: var(--gray-800); border-color: var(--gray-700); color: var(--gray-300); }
[data-theme="dark"] .final-cta { background: var(--gray-950); }
[data-theme="dark"] .final-cta h2 { color: var(--gray-100); }
[data-theme="dark"] footer { background: var(--gray-950); border-top-color: var(--gray-800); }
[data-theme="dark"] footer, [data-theme="dark"] footer a { color: var(--gray-400); }
[data-theme="dark"] footer a:hover { color: var(--gray-100); }
[data-theme="dark"] .indicator-dot { background: var(--gray-600); }
[data-theme="dark"] .scroll-indicator:hover .indicator-dot, [data-theme="dark"] .scroll-indicator.active .indicator-dot { background: var(--primary-indigo-light); }
[data-theme="dark"] .demo-placeholder, [data-theme="dark"] .terminal-window { background: var(--gray-900); border-color: var(--gray-800); }
[data-theme="dark"] .video-testimonial-card { background: var(--gray-800); border-color: var(--gray-700); }

/* Music Toggle Button */
.music-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--graphite-800);
    border: 1px solid var(--graphite-700);
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.music-toggle:hover {
    background: var(--graphite-700);
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

.music-toggle .music-icon {
    font-size: 20px;
    transition: transform 0.2s ease;
}

.music-toggle.playing .music-icon::before {
    content: '🔊';
}

.music-toggle:not(.playing) .music-icon::before {
    content: '🔇';
}

.music-toggle.playing .music-icon {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

[data-theme="dark"] .music-toggle {
    background: var(--graphite-700);
    border-color: var(--graphite-600);
}

[data-theme="dark"] .music-toggle:hover {
    background: var(--graphite-600);
}
[data-theme="dark"] .video-testimonial-content .testimonial-quote { color: var(--gray-300); }