/* ============================================
   NeoZapret Website Styles - Enhanced Design
   Modern Material Design Dark Theme
   ============================================ */

/* CSS Variables - Enhanced Color Palette */
:root {
    /* Primary Colors - Темно-серые тона */
    --primary: #3A3A3A;
    --primary-dark: #2A2A2A;
    --primary-light: #4A4A4A;
    --accent: #505050;
    
    /* Background Colors - Черные и темно-серые */
    --bg: #0D0D0D;
    --bg-gradient: linear-gradient(135deg, #0D0D0D 0%, #1A1A1A 100%);
    --surface: #1A1A1A;
    --surface-light: #252525;
    --surface-elevated: #2A2A2A;
    
    /* Text Colors */
    --text-primary: #E0E0E0;
    --text-secondary: #9E9E9E;
    --text-disabled: #7A7A7A;
    --text-on-primary: #FFFFFF;
    
    /* Status Colors - Приглушенные тона */
    --success: #4A8A4F;
    --success-glow: rgba(74, 138, 79, 0.3);
    --warning: #8A6A3A;
    --warning-glow: rgba(138, 106, 58, 0.3);
    --error: #8A3A3A;
    --error-glow: rgba(138, 58, 58, 0.3);
    --info: #4A6A8A;
    --info-glow: rgba(74, 106, 138, 0.3);
    
    /* Accent Colors for Cards */
    --accent-blue: #4A6A8A;
    --accent-green: #4A8A4F;
    --accent-purple: #6A4A8A;
    --accent-orange: #8A6A3A;
    
    /* Divider */
    --divider: #2A2A2A;
    
    /* Hover/Pressed States */
    --hover: #2F2F2F;
    --pressed: #252525;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Cascadia Code', 'Consolas', monospace;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px rgba(74, 106, 138, 0.3);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--bg);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(74, 106, 138, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(74, 138, 79, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 20%, rgba(106, 74, 138, 0.05) 0%, transparent 50%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(74, 106, 138, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(74, 138, 79, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
    animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

/* Main Container */
.main-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar - Enhanced */
.sidebar {
    width: 240px;
    background: linear-gradient(180deg, rgba(26, 26, 26, 0.95) 0%, rgba(13, 13, 13, 0.95) 100%);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-right: 1px solid rgba(42, 42, 42, 0.6);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: var(--shadow-md), inset -1px 0 0 rgba(255, 255, 255, 0.02);
    z-index: 100;
}

.sidebar-content {
    padding: var(--spacing-lg) var(--spacing-md);
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* Logo Section - Enhanced */
.logo-section {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--divider);
}

.logo-text {
    font-size: 28px;
    font-weight: 700;
    display: block;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 2px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.5px;
}

/* Status Badge - Enhanced */
.status-badge {
    background: linear-gradient(135deg, var(--surface) 0%, var(--surface-light) 100%);
    border: 1px solid var(--divider);
    border-radius: var(--radius-md);
    padding: 8px 14px;
    display: inline-block;
    margin-top: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.status-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(74, 138, 79, 0.2), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.status-text {
    font-size: 12px;
    font-weight: 600;
    color: var(--success);
    position: relative;
    z-index: 1;
}

/* Developer Card - Enhanced */
.developer-card {
    background: linear-gradient(135deg, var(--surface) 0%, var(--surface-light) 100%);
    border: 1px solid var(--divider);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    margin-top: auto;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.developer-card:hover {
    border-color: var(--info);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.5px;
}

.developer-info {
    font-size: 11px;
    color: var(--text-secondary);
}

.developer-info p {
    margin-bottom: 4px;
}

.developer-info a {
    color: var(--info);
    text-decoration: none;
    transition: all var(--transition-fast);
    position: relative;
}

.developer-info a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--info);
    transition: width var(--transition-fast);
}

.developer-info a:hover {
    color: var(--text-primary);
}

.developer-info a:hover::after {
    width: 100%;
}

/* Version */
.version-text {
    font-size: 10px;
    color: var(--text-disabled);
    text-align: center;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.5px;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 240px;
    padding: var(--spacing-2xl) var(--spacing-xl);
    max-width: calc(100% - 240px);
    position: relative;
    z-index: 1;
}

.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

/* Breadcrumbs Navigation */
.breadcrumbs {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm) 0;
}

.breadcrumbs ol {
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
}

.breadcrumbs li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 13px;
    color: var(--text-secondary);
}

.breadcrumbs li:not(:last-child)::after {
    content: '/';
    color: var(--text-disabled);
    margin-left: var(--spacing-sm);
}

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

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

.breadcrumbs a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--info);
    transition: width var(--transition-fast);
}

.breadcrumbs a:hover::after {
    width: 100%;
}

/* Hero Section - Completely Redesigned */
.hero-section {
    margin-bottom: var(--spacing-3xl);
    position: relative;
    padding: var(--spacing-2xl) 0;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(74, 106, 138, 0.1) 0%, transparent 70%);
    animation: heroGlow 8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes heroGlow {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.1); }
}

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

.hero-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--info) 0%, var(--accent-blue) 100%);
    color: var(--text-on-primary);
    padding: 6px 14px;
    border-radius: var(--radius-md);
    font-size: 12px;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    box-shadow: 0 4px 12px rgba(74, 106, 138, 0.3);
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

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

.hero-title-accent {
    background: linear-gradient(135deg, var(--info) 0%, var(--success) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 600px;
    margin-bottom: var(--spacing-xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.hero-stat-value {
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--info) 0%, var(--accent-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    position: relative;
}

.hero-stat-value::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--info) 0%, transparent 100%);
    opacity: 0.5;
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.hero-stat:hover .hero-stat-value::after {
    transform: scaleX(1);
}

.hero-stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Buttons - Enhanced */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-normal);
    font-family: var(--font-primary);
    min-height: 48px;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--text-on-primary);
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
    border-radius: var(--radius-md);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.btn-primary:hover::after {
    opacity: 1;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-lg), var(--shadow-glow), 0 8px 24px rgba(74, 106, 138, 0.3);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--surface-light) 0%, var(--surface) 100%);
    color: var(--text-primary);
    border: 1px solid var(--divider);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--surface-elevated) 0%, var(--surface-light) 100%);
    border-color: var(--primary);
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-md), 0 4px 16px rgba(58, 58, 58, 0.2);
}

.btn-hero {
    padding: 16px 32px;
    font-size: 16px;
    min-height: 52px;
}

.btn-icon {
    font-size: 18px;
}

/* Section Titles - Enhanced */
.section-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
    position: relative;
    padding-bottom: var(--spacing-md);
}

.section-title:first-of-type {
    margin-top: 0;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--info) 0%, var(--accent-blue) 50%, transparent 100%);
    border-radius: var(--radius-sm);
    animation: titleUnderline 3s ease-in-out infinite;
}

@keyframes titleUnderline {
    0%, 100% { width: 80px; opacity: 1; }
    50% { width: 120px; opacity: 0.8; }
}

/* Features Section - Enhanced */
.features-section {
    margin-bottom: var(--spacing-3xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.feature-card {
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.8) 0%, rgba(37, 37, 37, 0.8) 100%);
    backdrop-filter: blur(10px) saturate(150%);
    -webkit-backdrop-filter: blur(10px) saturate(150%);
    border: 1px solid rgba(42, 42, 42, 0.5);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--info) 0%, var(--success) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--info);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

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

.feature-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.feature-icon-wrapper {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--surface-light) 0%, var(--surface-elevated) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.feature-icon {
    font-size: 28px;
}

.feature-badge {
    background: linear-gradient(135deg, var(--info) 0%, var(--accent-blue) 100%);
    color: var(--text-on-primary);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.feature-footer {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--divider);
}

.feature-tag {
    background: var(--surface-elevated);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 500;
    border: 1px solid var(--divider);
}

/* Strategies Section - Enhanced */
.strategies-section {
    margin-bottom: var(--spacing-3xl);
}

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

.strategy-card {
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.8) 0%, rgba(37, 37, 37, 0.8) 100%);
    backdrop-filter: blur(10px) saturate(150%);
    -webkit-backdrop-filter: blur(10px) saturate(150%);
    border: 1px solid rgba(42, 42, 42, 0.5);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.strategy-card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(74, 106, 138, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.strategy-card:hover .strategy-card-glow {
    opacity: 1;
}

.strategy-card:hover {
    transform: translateY(-6px) scale(1.02);
    border-color: rgba(74, 106, 138, 0.6);
    box-shadow: var(--shadow-lg), 0 8px 32px rgba(74, 106, 138, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    background: linear-gradient(135deg, rgba(30, 30, 30, 0.9) 0%, rgba(42, 42, 42, 0.9) 100%);
}

.strategy-recommended {
    border-color: var(--info);
    box-shadow: var(--shadow-md), 0 0 20px rgba(74, 106, 138, 0.2);
}

.strategy-recommended:hover {
    box-shadow: var(--shadow-xl), 0 0 30px rgba(74, 106, 138, 0.4);
}

.strategy-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.strategy-icon {
    font-size: 32px;
    margin-bottom: var(--spacing-sm);
}

.strategy-badge {
    background: linear-gradient(135deg, var(--info) 0%, var(--accent-blue) 100%);
    color: var(--text-on-primary);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.strategy-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.strategy-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.strategy-footer {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--divider);
}

.strategy-tag {
    background: var(--surface-elevated);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 500;
    border: 1px solid var(--divider);
}

/* Download Section - Enhanced */
.download-section {
    margin-bottom: var(--spacing-3xl);
}

.download-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.download-card {
    background: linear-gradient(135deg, var(--surface) 0%, var(--surface-light) 100%);
    border: 1px solid var(--divider);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.download-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--info) 0%, var(--success) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.download-card:hover {
    transform: translateY(-6px) scale(1.02);
    border-color: rgba(74, 106, 138, 0.6);
    box-shadow: var(--shadow-lg), 0 8px 32px rgba(74, 106, 138, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    background: linear-gradient(135deg, rgba(30, 30, 30, 0.9) 0%, rgba(42, 42, 42, 0.9) 100%);
}

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

.download-card-title {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.download-card-desc {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.requirements {
    margin-bottom: var(--spacing-md);
}

.requirements p {
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.requirements ul {
    margin-left: var(--spacing-lg);
    margin-top: var(--spacing-xs);
}

.requirements li {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
}

.download-btn {
    width: 100%;
    margin-top: var(--spacing-md);
}

.runtime-download {
    background: linear-gradient(135deg, var(--surface) 0%, var(--surface-light) 100%);
    border: 1px solid var(--warning);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.runtime-text {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.runtime-text a {
    color: var(--info);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.runtime-text a:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

/* Requirements Section - Enhanced */
.requirements-section {
    margin-bottom: var(--spacing-3xl);
}

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

.requirement-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: linear-gradient(135deg, var(--surface) 0%, var(--surface-light) 100%);
    border: 1px solid var(--divider);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.requirement-item:hover {
    transform: translateX(4px);
    border-color: var(--info);
    box-shadow: var(--shadow-md);
}

.requirement-icon {
    font-size: 28px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-elevated);
    border-radius: var(--radius-md);
}

.requirement-item div {
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.6;
}

.requirement-item strong {
    color: var(--text-primary);
}

/* Support Section - Enhanced */
.support-section {
    margin-bottom: var(--spacing-3xl);
}

.support-content {
    background: linear-gradient(135deg, var(--surface) 0%, var(--surface-light) 100%);
    border: 1px solid var(--divider);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.support-content p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.support-list {
    margin-left: var(--spacing-lg);
}

.support-list li {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.8;
}

.support-list code {
    background: var(--bg);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-primary);
    border: 1px solid var(--divider);
}

.support-list a {
    color: var(--info);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.support-list a:hover {
    color: var(--text-primary);
    text-decoration: underline;
}

/* FAQ Section - Enhanced */
.faq-section {
    margin-bottom: var(--spacing-3xl);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    background: linear-gradient(135deg, var(--surface) 0%, var(--surface-light) 100%);
    border: 1px solid var(--divider);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.faq-item:hover {
    transform: translateX(4px);
    border-color: var(--info);
    box-shadow: var(--shadow-md);
}

.faq-question {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.faq-answer {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Keywords Section - Enhanced */
.keywords-section {
    margin-bottom: var(--spacing-3xl);
}

.keywords-content {
    background: linear-gradient(135deg, var(--surface) 0%, var(--surface-light) 100%);
    border: 1px solid var(--divider);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.keywords-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

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

/* License Section - Enhanced */
.license-section {
    margin-bottom: var(--spacing-3xl);
}

.license-text {
    background: linear-gradient(135deg, var(--surface) 0%, var(--surface-light) 100%);
    border: 1px solid var(--divider);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
    box-shadow: var(--shadow-sm);
}

/* Warning Banners */
.warning-banner {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: linear-gradient(135deg, rgba(138, 106, 58, 0.1) 0%, rgba(138, 106, 58, 0.05) 100%);
    border: 1px solid var(--warning);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.warning-banner:hover {
    border-color: var(--warning);
    box-shadow: var(--shadow-md);
    transform: translateX(2px);
}

.warning-icon {
    font-size: 24px;
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(138, 106, 58, 0.2);
    border-radius: var(--radius-sm);
}

.warning-content {
    flex: 1;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

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

.warning-educational {
    border-color: var(--warning);
}

.warning-vpn {
    border-color: var(--info);
    background: linear-gradient(135deg, rgba(74, 106, 138, 0.1) 0%, rgba(74, 106, 138, 0.05) 100%);
}

.warning-vpn .warning-icon {
    background: rgba(74, 106, 138, 0.2);
}

.warning-text {
    background: linear-gradient(135deg, rgba(138, 106, 58, 0.1) 0%, rgba(138, 106, 58, 0.05) 100%);
    border: 1px solid var(--warning);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    box-shadow: var(--shadow-sm);
    margin-top: var(--spacing-md);
}

/* Scrollbar Styling - Enhanced */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--surface-light) 0%, var(--primary) 100%);
    border-radius: var(--radius-sm);
    border: 2px solid var(--bg);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        display: none;
    }
    
    .main-content {
        margin-left: 0;
        max-width: 100%;
        padding: var(--spacing-md);
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .features-grid,
    .strategies-grid,
    .download-cards {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        gap: var(--spacing-md);
    }
    
    .hero-stat-value {
        font-size: 24px;
    }
}

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

.feature-card,
.strategy-card,
.download-card,
.requirement-item {
    animation: fadeInUp 0.6s ease-out backwards;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }
.feature-card:nth-child(7) { animation-delay: 0.7s; }

/* Selection */
::selection {
    background-color: var(--info);
    color: var(--text-on-primary);
}

::-moz-selection {
    background-color: var(--info);
    color: var(--text-on-primary);
}

/* Focus Styles */
*:focus-visible {
    outline: 2px solid var(--info);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}