/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --accent: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    /* Cosmic Colors */
    --cosmic-purple: #7c3aed;
    --cosmic-blue: #2563eb;
    --cosmic-cyan: #06b6d4;
    --cosmic-pink: #ec4899;

    /* Neutrals */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Background */
    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a3e;
    --bg-tertiary: #252547;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-card-hover: rgba(255, 255, 255, 0.08);

    /* Text */
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;

    /* 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;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Borders */
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    --border-radius-xl: 1.5rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);

    /* Animations */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.cosmic-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
    animation: cosmicFloat 20s ease-in-out infinite;
}

.data-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(99, 102, 241, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 30s linear infinite;
}

@keyframes cosmicFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(1deg); }
    66% { transform: translateY(10px) rotate(-1deg); }
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.hero-content {
    text-align: center;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--bg-card);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 2rem;
    padding: var(--space-sm) var(--space-lg);
    margin-bottom: var(--space-xl);
    backdrop-filter: blur(10px);
    font-size: 0.875rem;
    font-weight: 500;
}

.badge-icon {
    font-size: 1.2rem;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
}

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

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    display: block;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

.hero-actions {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--border-radius);
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Features Section */
.features {
    padding: var(--space-3xl) 0;
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: var(--space-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    min-height: 320px;
    display: flex;
    flex-direction: column;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-xl);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card.cosmic {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(99, 102, 241, 0.1));
    border-color: rgba(124, 58, 237, 0.3);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.feature-icon i {
    width: 24px;
    height: 24px;
    color: white;
}

.feature-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
    flex: 1;
}

.feature-metrics {
    display: flex;
    gap: var(--space-lg);
    margin-top: auto;
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Demo Section */
.demo {
    padding: var(--space-3xl) 0;
    background: var(--bg-secondary);
}

.demo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: var(--space-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.demo-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    backdrop-filter: blur(10px);
    min-height: 280px;
    display: flex;
    flex-direction: column;
}

.demo-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
    gap: var(--space-md);
    flex-shrink: 0;
}

.demo-card .demo-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.demo-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.cosmic-indicator {
    display: flex;
    gap: var(--space-md);
    font-size: 0.875rem;
}

.cosmic-phase {
    color: var(--cosmic-purple);
    font-weight: 500;
}

.cosmic-strength {
    color: var(--warning);
    font-weight: 500;
}

.cosmic-date {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.current-day {
    color: var(--accent);
    font-weight: 500;
    font-size: 0.875rem;
}

/* Correlation Results */
.correlation-results {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.correlation-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-fast);
}

.correlation-item:hover {
    transform: translateX(4px);
    background: rgba(99, 102, 241, 0.1);
}

.correlation-phase {
    font-size: 0.875rem;
    color: var(--text-secondary);
    min-width: 80px;
}

.correlation-number {
    font-weight: 600;
    color: var(--primary);
    font-family: var(--font-mono);
}

.correlation-value {
    font-weight: 600;
    color: var(--success);
    font-family: var(--font-mono);
}

/* Cosmic Selection */
.cosmic-selection {
    text-align: center;
}

.number-set {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.main-numbers {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: nowrap;
    justify-content: center;
    align-items: center;
}

.number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-family: var(--font-mono);
    color: white;
    box-shadow: var(--shadow-md);
    font-size: 0.875rem;
    transition: all var(--transition-normal);
    flex-shrink: 0;
}

.number:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.lucky-ball .lucky {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--warning), #f97316);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-family: var(--font-mono);
    color: white;
    box-shadow: var(--shadow-md);
    font-size: 0.875rem;
    transition: all var(--transition-normal);
}

.lucky-ball .lucky:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
}

.cosmic-suggestion {
    background: rgba(124, 58, 237, 0.1);
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: var(--border-radius);
    padding: var(--space-md);
}

.cosmic-suggestion p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

/* Strategy Tabs */
.strategy-tabs {
    display: flex;
    gap: var(--space-xs);
}

.strategy-tab {
    padding: var(--space-xs) var(--space-md);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.strategy-tab.active,
.strategy-tab:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.strategy-results {
    position: relative;
    min-height: 120px;
}

.strategy-set {
    display: none;
    text-align: center;
}

.strategy-set.active {
    display: block;
}

.confidence-meter {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    justify-content: center;
    margin-top: var(--space-md);
}

.confidence-bar {
    width: 120px;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success), var(--accent));
    border-radius: 4px;
    transition: width var(--transition-slow);
}

.confidence-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Temporal Patterns */
.temporal-patterns {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.pattern-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-fast);
}

.pattern-item:hover {
    transform: translateX(4px);
    background: rgba(6, 182, 212, 0.05);
}

.pattern-item.highlight {
    background: rgba(6, 182, 212, 0.1);
    border-color: rgba(6, 182, 212, 0.3);
}

.pattern-day {
    font-size: 0.875rem;
    color: var(--text-secondary);
    min-width: 70px;
}

.pattern-number {
    font-weight: 600;
    color: var(--primary);
    font-family: var(--font-mono);
}

.pattern-count {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Usage Section */
.usage {
    padding: var(--space-3xl) 0;
    background: var(--bg-primary);
}

.usage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.usage-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    backdrop-filter: blur(10px);
    text-align: center;
    transition: all var(--transition-normal);
}

.usage-card:hover {
    transform: translateY(-4px);
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.2);
}

.usage-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent), var(--primary));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
}

.usage-icon i {
    width: 24px;
    height: 24px;
    color: white;
}

.usage-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.code-block {
    background: var(--bg-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
    text-align: left;
    overflow-x: auto;
    word-wrap: break-word;
}

.code-block pre {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--text-primary);
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

.code-block code {
    color: var(--accent);
}

/* Cosmic Wisdom Section */
.wisdom {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(99, 102, 241, 0.1));
    border-top: 1px solid rgba(124, 58, 237, 0.2);
    border-bottom: 1px solid rgba(124, 58, 237, 0.2);
}

.wisdom-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.wisdom-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--cosmic-purple), var(--primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-xl);
    animation: cosmicPulse 3s ease-in-out infinite;
}

.wisdom-icon i {
    width: 32px;
    height: 32px;
    color: white;
}

@keyframes cosmicPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 20px rgba(124, 58, 237, 0.3); }
    50% { transform: scale(1.05); box-shadow: 0 0 30px rgba(124, 58, 237, 0.5); }
}

.wisdom-quotes {
    position: relative;
    min-height: 80px;
}

.wisdom-quote {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-slow);
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: 500;
    color: var(--text-primary);
    font-style: italic;
    margin: 0;
    padding: 0 var(--space-md);
}

.wisdom-quote.active {
    opacity: 1;
    transform: translateY(0);
}

/* Disclaimer Section */
.disclaimer {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(245, 158, 11, 0.1));
    border-top: 1px solid rgba(239, 68, 68, 0.2);
    border-bottom: 1px solid rgba(239, 68, 68, 0.2);
}

.disclaimer-content {
    display: flex;
    gap: var(--space-xl);
    align-items: flex-start;
    max-width: 800px;
    margin: 0 auto;
}

.disclaimer-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--warning), var(--error));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

.disclaimer-icon i {
    width: 24px;
    height: 24px;
    color: white;
}

.disclaimer-text h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--warning);
}

.disclaimer-text p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-md);
}

.statistical-reality {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
    margin: var(--space-lg) 0;
}

.statistical-reality h4 {
    color: var(--accent);
    margin-bottom: var(--space-sm);
    font-size: 1rem;
}

.disclaimer-quote {
    font-style: italic;
    color: var(--text-primary);
    font-weight: 500;
    border-left: 3px solid var(--warning);
    padding-left: var(--space-md);
    margin-bottom: 0 !important;
}

/* Footer */
.footer {
    padding: var(--space-3xl) 0 var(--space-xl);
    background: var(--bg-tertiary);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    color: var(--text-secondary);
}

.version-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.version-label {
    font-weight: 500;
}

.version-number {
    font-family: var(--font-mono);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--border-radius);
    padding: var(--space-xs) var(--space-sm);
    color: var(--primary);
    font-weight: 500;
    transition: all var(--transition-fast);
    text-decoration: none;
    cursor: pointer;
}

.version-number:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: rgba(99, 102, 241, 0.4);
    transform: translateY(-1px);
}

.version-number.loading {
    animation: versionPulse 1.5s ease-in-out infinite;
}

.version-number.error {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
    color: var(--error);
}

.version-link-icon {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
}

.version-link-icon:hover {
    color: var(--primary);
}

.version-link-icon i {
    width: 14px;
    height: 14px;
}

@keyframes versionPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.footer-links {
    display: flex;
    gap: var(--space-3xl);
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.footer-section a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: var(--space-sm);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-md);
    }

    .demo {
        padding: var(--space-2xl) 0;
    }

    .demo-grid {
        gap: var(--space-lg);
        margin: 0 var(--space-sm);
    }

    .demo-card {
        margin: 0;
        padding: var(--space-lg);
    }

    .features-grid,
    .demo-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        max-width: none;
    }

    .feature-card,
    .demo-card {
        min-height: auto;
        text-align: center;
    }

    .feature-icon {
        margin: 0 auto var(--space-lg);
    }

    .feature-content {
        align-items: center;
    }

    .feature-metrics {
        justify-content: center;
        gap: var(--space-xl);
    }

    .hero-stats {
        gap: var(--space-lg);
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
        line-height: 1.2;
    }

    .hero-description {
        font-size: 1.125rem;
        padding: 0 var(--space-sm);
    }

    .hero-badge {
        margin-bottom: var(--space-lg);
        padding: var(--space-sm) var(--space-lg);
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: var(--space-md);
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
        padding: var(--space-lg) var(--space-xl);
        font-size: 1.125rem;
    }

    .demo-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
        text-align: left;
    }

    .demo-header {
        flex-direction: column;
        align-items: center;
        gap: var(--space-sm);
        text-align: center;
    }

    .demo-header h3 {
        text-align: center;
        width: 100%;
    }

    .cosmic-indicator {
        justify-content: center;
        text-align: center;
    }

    .cosmic-date,
    .current-day {
        text-align: center;
    }

    .demo-card {
        padding: var(--space-lg);
    }

    .disclaimer-content {
        flex-direction: column;
        text-align: center;
        gap: var(--space-lg);
    }

    .disclaimer-icon {
        margin: 0 auto;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-xl);
    }

    .footer-links {
        justify-content: center;
        gap: var(--space-xl);
    }

    .number-set {
        flex-direction: column;
        gap: var(--space-md);
    }

    .main-numbers {
        gap: var(--space-xs);
        flex-wrap: nowrap;
        justify-content: center;
        overflow: visible;
        width: 100%;
        max-width: 280px;
        margin: 0 auto;
    }

    .number {
        width: 36px;
        height: 36px;
        font-size: 0.8rem;
        flex-shrink: 0;
        min-width: 36px;
    }

    .lucky-ball .lucky {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        flex-shrink: 0;
    }

    .number-set {
        flex-direction: column;
        gap: var(--space-lg);
        align-items: center;
        justify-content: center;
        width: 100%;
        max-width: 100%;
        margin: 0 auto var(--space-lg);
        padding: 0 var(--space-sm);
    }

    .lucky-ball .lucky {
        width: 44px;
        height: 44px;
        font-size: 1rem;
    }

    .confidence-meter {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .confidence-bar {
        width: 160px;
    }

    .strategy-tabs {
        justify-content: center;
        flex-wrap: wrap;
        gap: var(--space-sm);
    }

    .strategy-tab {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.75rem;
    }

    .correlation-item {
        flex-direction: column;
        gap: var(--space-xs);
        text-align: center;
        padding: var(--space-md) var(--space-lg);
    }

    .correlation-phase,
    .correlation-number,
    .correlation-value {
        text-align: center;
        width: 100%;
    }

    .correlation-item:hover {
        transform: translateY(-2px);
    }

    .pattern-item {
        flex-direction: column;
        gap: var(--space-xs);
        text-align: center;
        padding: var(--space-md) var(--space-lg);
    }

    .pattern-day,
    .pattern-number,
    .pattern-count {
        text-align: center;
        width: 100%;
    }

    .pattern-item:hover {
        transform: translateY(-2px);
    }

    .section-header h2 {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
    }

    .section-header p {
        font-size: 1rem;
        padding: 0 var(--space-sm);
    }

    .usage-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        margin: 0 var(--space-sm);
        max-width: none;
    }

    .usage-card {
        padding: var(--space-lg);
        text-align: center;
        margin: 0;
        width: 100%;
        box-sizing: border-box;
    }

    .usage-icon {
        margin: 0 auto var(--space-lg);
    }

    .code-block {
        padding: var(--space-md);
        font-size: 0.8rem;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    .code-block pre {
        font-size: 0.8rem;
        line-height: 1.4;
        white-space: pre-wrap;
        word-break: break-all;
    }

    .wisdom-content {
        padding: 0 var(--space-md);
    }

    .wisdom-quote {
        font-size: clamp(1.125rem, 4vw, 1.375rem);
        padding: 0 var(--space-lg);
    }
}

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

    .demo {
        padding: var(--space-xl) 0;
    }

    .demo-grid {
        gap: var(--space-md);
        margin: 0 var(--space-xs);
        padding: 0 var(--space-xs);
    }

    .demo-card {
        margin: 0;
        padding: var(--space-md) var(--space-sm);
        min-height: auto;
    }

    .features-grid,
    .demo-grid,
    .usage-grid {
        grid-template-columns: 1fr;
    }

    .usage-grid {
        gap: var(--space-md);
        margin: 0 var(--space-xs);
        padding: 0;
    }

    .feature-card,
    .usage-card {
        padding: var(--space-lg);
        margin: 0 var(--space-xs);
        width: auto;
        box-sizing: border-box;
    }

    .usage-card {
        padding: var(--space-lg) var(--space-md);
        margin: 0;
        border-radius: var(--border-radius);
    }

    .demo-card {
        text-align: center;
    }

    .demo-header {
        align-items: center;
        text-align: center;
        gap: var(--space-md);
    }

    .demo-header h3 {
        font-size: 1.125rem;
        text-align: center;
        margin-bottom: 0;
    }

    .cosmic-indicator {
        justify-content: center;
        align-items: center;
        text-align: center;
        width: 100%;
    }

    .correlation-results {
        gap: var(--space-md);
    }

    .correlation-item {
        padding: var(--space-lg);
        text-align: center;
        border-radius: var(--border-radius-lg);
        background: rgba(255, 255, 255, 0.05);
    }

    .correlation-phase {
        font-size: 0.875rem;
        color: var(--text-muted);
        margin-bottom: var(--space-xs);
    }

    .correlation-number {
        font-size: 1.125rem;
        font-weight: 700;
        margin-bottom: var(--space-xs);
    }

    .correlation-value {
        font-size: 1rem;
        font-weight: 700;
    }

    .temporal-patterns {
        gap: var(--space-md);
    }

    .pattern-item {
        padding: var(--space-lg);
        text-align: center;
        border-radius: var(--border-radius-lg);
        background: rgba(255, 255, 255, 0.05);
    }

    .pattern-day {
        font-size: 0.875rem;
        color: var(--text-muted);
        margin-bottom: var(--space-xs);
    }

    .pattern-number {
        font-size: 1.125rem;
        font-weight: 700;
        margin-bottom: var(--space-xs);
    }

    .pattern-count {
        font-size: 1rem;
        color: var(--text-secondary);
    }

    .hero-stats {
        gap: var(--space-md);
        margin-bottom: var(--space-xl);
    }

    .stat {
        min-width: 80px;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .btn {
        max-width: 240px;
        padding: var(--space-md) var(--space-lg);
        font-size: 1rem;
    }

    .main-numbers {
        flex-wrap: wrap;
    .main-numbers {
        gap: 1px;
        max-width: 200px;
        margin: 0 auto;
        padding: 0;
    }

    .number {
        width: 32px;
        height: 32px;
        font-size: 0.7rem;
        flex-shrink: 0;
        min-width: 32px;
    }

    .lucky-ball .lucky {
        width: 40px;
        height: 40px;
        font-size: 0.875rem;
    }

    .footer-links {
        flex-direction: column;
        gap: var(--space-xl);
    }

    .footer-section {
        margin-bottom: var(--space-lg);
    }

    .demo-header h3 {
        font-size: 1rem;
    }

    .cosmic-indicator {
        flex-direction: column;
        gap: var(--space-xs);
        align-items: center;
    }

    .strategy-results {
        min-height: 140px;
    }

    .correlation-results,
    .temporal-patterns {
        gap: var(--space-sm);
    }

    .wisdom-quote {
        font-size: clamp(1rem, 5vw, 1.25rem);
        padding: 0 var(--space-sm);
    }

    .disclaimer-content {
        padding: 0 var(--space-sm);
    }

    .statistical-reality {
        padding: var(--space-md);
        margin: var(--space-md) 0;
    }

    .code-block {
        padding: var(--space-sm);
        font-size: 0.75rem;
    }

    .code-block pre {
        font-size: 0.75rem;
        line-height: 1.3;
        white-space: pre-wrap;
        word-break: break-all;
        overflow-wrap: break-word;
    }
}

@media (max-width: 360px) {
    .container {
        padding: 0 var(--space-sm);
    }

    .demo {
        padding: var(--space-lg) 0;
    }

    .demo-grid {
        gap: var(--space-sm);
        margin: 0;
        padding: 0 var(--space-xs);
    }

    .demo-card {
        margin: 0;
        padding: var(--space-md) var(--space-sm);
    }

    .hero-title {
        font-size: clamp(1.75rem, 9vw, 2.5rem);
    }

    .hero-description {
        font-size: 1rem;
    }

    .usage {
        padding: var(--space-2xl) 0;
    }

    .usage-grid {
        gap: var(--space-sm);
        margin: 0;
        padding: 0 var(--space-xs);
    }

    .feature-card,
    .usage-card {
        padding: var(--space-md);
        margin: 0;
        width: auto;
        box-sizing: border-box;
    }

    .usage-card {
        padding: var(--space-md);
        text-align: center;
        border-radius: var(--border-radius);
        background: var(--bg-card);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .usage-icon {
        width: 50px;
        height: 50px;
        margin: 0 auto var(--space-md);
    }

    .usage-card h3 {
        font-size: 1.125rem;
        margin-bottom: var(--space-md);
    }

    .code-block {
        padding: var(--space-sm);
        font-size: 0.7rem;
        border-radius: var(--border-radius);
        overflow-x: auto;
        word-wrap: break-word;
    }

    .code-block pre {
        font-size: 0.7rem;
        line-height: 1.2;
        white-space: pre-wrap;
        word-break: break-all;
        overflow-wrap: break-word;
        margin: 0;
    }

    .demo-card {
        padding: var(--space-lg);
        text-align: center;
    }

    .correlation-item,
    .pattern-item {
        padding: var(--space-md) var(--space-lg);
    }

    .btn {
        max-width: 200px;
        padding: var(--space-sm) var(--space-md);
    }

    .main-numbers {
        gap: 2px;
        flex-wrap: nowrap;
        justify-content: center;
        width: 100%;
        max-width: 240px;
        margin: 0 auto;
        padding: 0;
    }

    .number {
        width: 36px;
        height: 36px;
        font-size: 0.85rem;
        flex-shrink: 0;
    }

    .number-set {
        gap: var(--space-sm);
        margin: 0 auto var(--space-sm);
        flex-shrink: 0;
        min-width: 36px;
    }

    .lucky-ball .lucky {
        width: 38px;
        height: 38px;
        font-size: 0.9rem;
        flex-shrink: 0;
    }

    .number-set {
        gap: var(--space-md);
        padding: 0;
        margin: 0 auto var(--space-md);
        max-width: 100%;
        overflow: visible;
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-md);
        align-items: center;
    }

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

    .stat-number {
        font-size: 1.75rem;
    }

    .stat-label {
        font-size: 0.875rem;
    }

    .demo-header {
        margin-bottom: var(--space-md);
        gap: var(--space-xs);
    }

    .demo-header h3 {
        font-size: 0.95rem;
        margin-bottom: 0;
    }

    .cosmic-indicator {
        gap: var(--space-sm);
        font-size: 0.8rem;
        justify-content: center;
        flex-wrap: wrap;
    }

    .cosmic-date,
    .current-day {
        font-size: 0.8rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus styles for accessibility */
.btn:focus,
.strategy-tab:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Animation utilities */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Print styles */
@media print {
    .hero-background,
    .cosmic-particles,
    .data-grid {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .demo-card,
    .feature-card,
    .usage-card {
        border: 1px solid #ccc;
        background: white;
    }
}