/* ========================================
   AppSweep Marketing Website - CSS Styles
   ======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #34C759;
    --color-primary-dark: #248A3D;
    --color-primary-light: #A8F0BA;
    --color-secondary: #007AFF;
    --color-accent: #FF9500;
    
    --color-text: #1D1D1F;
    --color-text-secondary: #6E6E73;
    --color-text-tertiary: #86868B;
    
    --color-bg: #FFFFFF;
    --color-bg-secondary: #F5F5F7;
    --color-bg-tertiary: #FBFBFD;
    
    --color-border: #D2D2D7;
    --color-border-light: #E8E8ED;
    
    --color-success: #34C759;
    --color-warning: #FF9500;
    --color-error: #FF3B30;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    --spacing-4xl: 96px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 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);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 24px;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
    :root {
        --color-text: #F5F5F7;
        --color-text-secondary: #A1A1A6;
        --color-text-tertiary: #6E6E73;
        
        --color-bg: #000000;
        --color-bg-secondary: #1C1C1E;
        --color-bg-tertiary: #2C2C2E;
        
        --color-border: #38383A;
        --color-border-light: #2C2C2E;
    }
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

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

ul {
    list-style: none;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-text);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text);
    transform: translateY(-2px);
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: 1.125rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-light);
}

@media (prefers-color-scheme: dark) {
    .navbar {
        background: rgba(0, 0, 0, 0.8);
    }
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-text);
}

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

.logo-icon {
    width: 28px;
    height: 28px;
    border-radius: 7px;
    display: inline-block;
    object-fit: contain;
}

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

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: var(--spacing-sm);
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

@media (max-width: 768px) {
    .nav-links, .navbar .btn {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
}

/* Hero Section */
.hero {
    padding: calc(64px + var(--spacing-4xl)) 0 var(--spacing-4xl);
    text-align: center;
    background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg) 100%);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

@media (prefers-color-scheme: dark) {
    .hero-badge {
        background: rgba(52, 199, 89, 0.2);
        color: var(--color-primary);
    }
}

.hero h1 {
    margin-bottom: var(--spacing-lg);
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.hero-note {
    display: inline-block;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-full);
    background: var(--color-bg);
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    color: var(--color-text-tertiary);
    font-size: 0.875rem;
}

.hero-meta .separator {
    color: var(--color-border);
}

/* App Window Mock */
.hero-image {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.app-window {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl), 0 0 0 1px var(--color-border-light);
    overflow: hidden;
}

.window-header {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border-light);
}

.window-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.window-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.btn-close { background: #FF5F56; }
.btn-minimize { background: #FFBD2E; }
.btn-maximize { background: #27C93F; }

.window-title {
    flex: 1;
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.window-content {
    display: flex;
    min-height: 300px;
}

.sidebar-mock {
    width: 200px;
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border-light);
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.sidebar-item.active {
    background: var(--color-primary);
    color: white;
}

.sidebar-item .badge {
    margin-left: auto;
    padding: 2px 8px;
    background: var(--color-bg);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.sidebar-item.active .badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.sidebar-item .badge.orange {
    background: var(--color-warning);
    color: white;
}

.content-mock {
    flex: 1;
    padding: var(--spacing-md);
}

.app-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.app-row:hover {
    background: var(--color-bg-secondary);
}

.app-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
}

.app-info {
    flex: 1;
}

.app-name {
    display: block;
    font-weight: 600;
    font-size: 0.9375rem;
}

.app-version {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.update-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    cursor: pointer;
}

@media (max-width: 768px) {
    .sidebar-mock {
        display: none;
    }
}

/* Section Styles */
.section-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

@media (prefers-color-scheme: dark) {
    .section-badge {
        background: rgba(52, 199, 89, 0.2);
        color: var(--color-primary);
    }
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-header p {
    color: var(--color-text-secondary);
    font-size: 1.125rem;
    margin-top: var(--spacing-md);
}

/* Problem Section */
.problem-section {
    padding: var(--spacing-4xl) 0;
    background: var(--color-bg-secondary);
}

.problem-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.problem-content h2 {
    margin-bottom: var(--spacing-lg);
}

.problem-content > p {
    color: var(--color-text-secondary);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-2xl);
}

.problem-quotes {
    display: grid;
    gap: var(--spacing-lg);
}

.problem-quotes blockquote {
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
    text-align: left;
    font-style: italic;
    color: var(--color-text-secondary);
}

.problem-quotes cite {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    font-style: normal;
    color: var(--color-text-tertiary);
}

/* Features Section */
.features-section {
    padding: var(--spacing-4xl) 0;
}

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

.feature-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

/* Sources Section */
.sources-section {
    padding: var(--spacing-4xl) 0;
    background: var(--color-bg-secondary);
}

.sources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.source-card {
    padding: var(--spacing-xl);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: transform var(--transition-normal);
}

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

.source-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 2rem;
}

.source-icon svg {
    width: 32px;
    height: 32px;
}

.source-icon.sparkle { background: #FFF3CD; color: #856404; }
.source-icon.github { background: #1C1C1E; color: white; }
.source-icon.electron { background: #E0F7FA; color: #00838F; }
.source-icon.appstore { background: #E3F2FD; color: #1565C0; }
.source-icon.crowdsourced { background: #F3E5F5; color: #7B1FA2; }

.source-card h3 {
    margin-bottom: var(--spacing-sm);
}

.source-card p {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

/* How It Works Section */
.how-it-works-section {
    padding: var(--spacing-4xl) 0;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.step-card {
    text-align: center;
    padding: var(--spacing-xl);
}

.step-number {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    background: var(--color-primary);
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
}

.step-card h3 {
    margin-bottom: var(--spacing-sm);
}

.step-card p {
    color: var(--color-text-secondary);
}

/* Pricing Section */
.pricing-section {
    padding: var(--spacing-4xl) 0;
    background: var(--color-bg-secondary);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
}

.pricing-card {
    padding: var(--spacing-2xl);
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    border: 2px solid var(--color-border-light);
    position: relative;
}

.pricing-card.featured {
    border-color: var(--color-primary);
}

.featured-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border-light);
}

.pricing-header h3 {
    margin-bottom: var(--spacing-sm);
}

.price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-text);
}

.price-note {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-text-secondary);
}

.pricing-header p {
    color: var(--color-text-secondary);
}

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

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
}

.pricing-features .check {
    color: var(--color-success);
    font-weight: 700;
}

.pricing-features .cross {
    color: var(--color-text-tertiary);
}

.pricing-card .btn {
    width: 100%;
}

/* Testimonials Section */
.testimonials-section {
    padding: var(--spacing-4xl) 0;
}

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

.testimonial-card {
    padding: var(--spacing-xl);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
}

.stars {
    color: var(--color-warning);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.testimonial-card p {
    font-style: italic;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.testimonial-author strong {
    display: block;
    color: var(--color-text);
}

.testimonial-author span {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-4xl) 0;
    text-align: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
}

.cta-section h2 {
    color: white;
    margin-bottom: var(--spacing-md);
}

.cta-section p {
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
    font-size: 1.125rem;
}

.cta-section .btn-primary {
    background: white;
    color: var(--color-primary-dark);
}

.cta-section .btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
}

/* Footer */
.footer {
    padding: var(--spacing-4xl) 0 var(--spacing-2xl);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border-light);
}

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

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
    }
}

.footer-brand p {
    color: var(--color-text-secondary);
    margin-top: var(--spacing-md);
    font-size: 0.9375rem;
}

.footer-links h4 {
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

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

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border-light);
    text-align: center;
    color: var(--color-text-tertiary);
    font-size: 0.875rem;
}

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

/* Page Styles for Subpages */
.page-header {
    padding: calc(64px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    background: var(--color-bg-secondary);
    text-align: center;
}

.page-header h1 {
    margin-bottom: var(--spacing-md);
}

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

.page-note {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-full);
    background: var(--color-bg);
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    display: inline-block;
}

.page-content {
    padding: var(--spacing-3xl) 0 var(--spacing-4xl);
}

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

.content-section h2 {
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-md);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border-light);
}

.content-section h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.content-section h3 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
}

.content-section p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.content-section ul, .content-section ol {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
}

.content-section li {
    margin-bottom: var(--spacing-sm);
}

.content-section ul {
    list-style: disc;
}

.content-section ol {
    list-style: decimal;
}

/* FAQ Styles */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-category {
    margin-bottom: var(--spacing-2xl);
}

.faq-category h2 {
    margin-bottom: var(--spacing-lg);
}

.faq-item {
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background var(--transition-fast);
}

.faq-question:hover {
    background: var(--color-bg-secondary);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-text-secondary);
    transition: transform var(--transition-fast);
}

.faq-item.open .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item.open .faq-answer {
    max-height: 500px;
}

.faq-answer-content {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--color-text-secondary);
}

/* Tutorial Styles */
.tutorial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto var(--spacing-3xl);
}

.tutorial-card {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.tutorial-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.tutorial-card h3 {
    margin-bottom: var(--spacing-sm);
}

.tutorial-card p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 0.9375rem;
}

.tutorial-card .btn {
    width: 100%;
}

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

.tutorial-step {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--color-border-light);
}

.tutorial-step:last-child {
    border-bottom: none;
}

.step-indicator {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: white;
    font-weight: 700;
    border-radius: 50%;
}

.step-content h3 {
    margin-bottom: var(--spacing-sm);
}

.step-content p {
    color: var(--color-text-secondary);
}

.tip-box {
    padding: var(--spacing-lg);
    background: var(--color-primary-light);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

@media (prefers-color-scheme: dark) {
    .tip-box {
        background: rgba(52, 199, 89, 0.15);
    }
}

.tip-box strong {
    color: var(--color-primary-dark);
}

@media (prefers-color-scheme: dark) {
    .tip-box strong {
        color: var(--color-primary);
    }
}

/* Support Page Styles */
.support-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto var(--spacing-3xl);
}

.support-card {
    padding: var(--spacing-2xl);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    text-align: center;
}

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

.support-card h3 {
    margin-bottom: var(--spacing-sm);
}

.support-card p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-2xl);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: 1rem;
    background: var(--color-bg);
    color: var(--color-text);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(52, 199, 89, 0.2);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
}

/* Keyboard Shortcuts Table */
.shortcuts-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
}

.shortcuts-table th,
.shortcuts-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border-light);
}

.shortcuts-table th {
    font-weight: 600;
    color: var(--color-text);
}

.shortcuts-table td {
    color: var(--color-text-secondary);
}

.shortcuts-table kbd {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: 0.875rem;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

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

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .tutorial-step {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}