/* CSS Variables - Using the refined color palette */
:root {
    /* Background Colors - Warm neutrals */
    --bg-primary: rgb(26, 27, 30);
    --bg-secondary: rgb(35, 37, 41);
    --bg-tertiary: rgb(45, 47, 52);
    --surface: rgb(35, 37, 41);
    --surface-hover: rgb(45, 47, 52);

    /* Text Colors */
    --text-primary: rgb(230, 230, 230);
    --text-secondary: rgb(180, 180, 182);
    --text-tertiary: rgb(140, 140, 142);

    /* Brand Colors - Lighter blues */
    --primary-blue: #4A9EFF;
    --primary-blue-light: #6BB1FF;
    --primary-blue-dark: #3D8BFF;

    /* Accent Colors */
    --accent-teal: #06B6D4;
    --accent-purple: #A78BFA;
    --accent-indigo: #818CF8;

    /* Semantic Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;

    /* Borders */
    --border-primary: rgb(55, 57, 62);
    --border-secondary: rgb(70, 72, 77);

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-base: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    --spacing-xxxl: 64px;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

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

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    background-color: rgba(26, 27, 30, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-primary);
    padding: var(--spacing-base) 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-links a:hover {
    color: var(--text-primary);
}

/* Buttons */
.btn {
    padding: 10px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn-primary {
    background: var(--primary-blue);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-blue-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(74, 158, 255, 0.3);
}

.btn-secondary {
    background: var(--surface);
    color: var(--text-primary);
    border: 1px solid var(--border-secondary);
}

.btn-secondary:hover {
    background: var(--surface-hover);
    border-color: var(--border-primary);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

.btn svg {
    flex-shrink: 0;
}

/* Hero Section */
.hero {
    padding: var(--spacing-xxxl) 0 80px;
    text-align: center;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--text-primary), var(--primary-blue-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-base);
    justify-content: center;
    margin-bottom: var(--spacing-xxxl);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xxxl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-primary);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Screenshot Section */
.screenshot-section {
    padding: 0 0 80px;
    background: var(--bg-primary);
}

.screenshot-wrapper {
    max-width: 1000px;
    margin: 0 auto;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-primary);
}

.app-screenshot {
    width: 100%;
    height: auto;
    display: block;
}

/* Sections */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-base);
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

/* Features Section */
.features {
    background: var(--bg-secondary);
}

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

.feature-card {
    background: var(--surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-blue);
    box-shadow: 0 8px 24px rgba(74, 158, 255, 0.15);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-base);
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: var(--spacing-md);
}

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

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
    position: relative;
    transition: all var(--transition-normal);
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-blue);
    box-shadow: 0 12px 32px rgba(74, 158, 255, 0.2);
}

.pricing-card-featured {
    border-color: var(--primary-blue);
    background: linear-gradient(135deg, var(--surface), var(--bg-tertiary));
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-blue);
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 24px;
    margin-bottom: var(--spacing-base);
}

.price {
    margin-bottom: var(--spacing-xl);
}

.price-amount {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-blue);
}

.price-period {
    color: var(--text-secondary);
    font-size: 16px;
}

.pricing-includes {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: var(--spacing-base);
    font-weight: 600;
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
}

.pricing-features li {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-primary);
    color: var(--text-secondary);
}

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

.pricing-note {
    margin-top: var(--spacing-base);
    text-align: center;
    color: var(--text-tertiary);
    font-size: 14px;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    text-align: center;
    padding: 80px 0;
}

.cta h2 {
    font-size: 40px;
    margin-bottom: var(--spacing-base);
}

.cta p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: var(--spacing-xxxl) 0 var(--spacing-xl);
    border-top: 1px solid var(--border-primary);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xxxl);
    margin-bottom: var(--spacing-xl);
    align-items: start;
}

.footer-section h4 {
    margin-bottom: var(--spacing-base);
    font-size: 16px;
}

.footer-section p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.footer-section a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: var(--spacing-sm);
    font-size: 14px;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-primary);
    color: var(--text-tertiary);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: var(--spacing-base);
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-actions {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }

    .section-title {
        font-size: 32px;
    }

    .screenshot-wrapper {
        border-radius: var(--radius-md);
    }

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

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

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

    .privacy-content h1 {
        font-size: 36px;
    }

    .privacy-content h2 {
        font-size: 24px;
    }
}

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

.hero-content,
.feature-card,
.pricing-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Privacy Policy Page */
.privacy-policy {
    padding: 100px 0 80px;
    background: var(--bg-primary);
}

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

.privacy-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: var(--spacing-base);
    color: var(--text-primary);
}

.privacy-content .last-updated {
    color: var(--text-tertiary);
    font-size: 14px;
    margin-bottom: var(--spacing-xxxl);
}

.privacy-content h2 {
    font-size: 28px;
    font-weight: 600;
    margin-top: var(--spacing-xxxl);
    margin-bottom: var(--spacing-base);
    color: var(--text-primary);
}

.privacy-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    color: var(--primary-blue);
}

.privacy-content p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-base);
}

.privacy-content ul {
    margin: var(--spacing-base) 0;
    padding-left: var(--spacing-xl);
}

.privacy-content li {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.privacy-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.privacy-summary {
    background: var(--surface);
    border: 1px solid var(--border-primary);
    border-left: 4px solid var(--primary-blue);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xxxl);
}

.privacy-summary h3 {
    margin-top: 0;
}

.privacy-summary p {
    margin-bottom: 0;
}

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