/* =========================================
   AlgoAct - Material Design Theme
   Fully Responsive Algorithmic Trading Website
   ========================================= */

/* =========================================
   CSS Variables & Root Styles
   ========================================= */
:root {
    /* Primary Colors - Cyberpunk Blue/Cyan */
    --primary: #00d9ff;
    --primary-dark: #0099cc;
    --primary-light: #33e0ff;
    --primary-glow: rgba(0, 217, 255, 0.5);
    
    /* Secondary Colors - Neon Purple/Magenta */
    --secondary: #ff00ff;
    --secondary-dark: #cc00cc;
    --secondary-light: #ff33ff;
    --secondary-glow: rgba(255, 0, 255, 0.5);
    
    /* Accent Colors */
    --accent: #00ff88;
    --accent-dark: #00cc6a;
    --accent-glow: rgba(0, 255, 136, 0.5);
    
    /* Dark Theme Colors - Deeper, richer blacks */
    --dark-bg: #0a0a0f;
    --dark-bg-2: #0d0d14;
    --dark-surface: #131318;
    --dark-surface-2: #1a1a24;
    --dark-surface-3: #202030;
    --dark-border: #2a2a3a;
    
    /* Neutral Colors */
    --dark: #e8e8f0;
    --dark-gray: #b8b8c8;
    --gray: #9898a8;
    --light-gray: #686878;
    --lighter-gray: #484858;
    --white: #0a0a0f;
    
    /* Text Colors */
    --text-primary: #f0f0f8;
    --text-secondary: #c0c0d0;
    --text-tertiary: #888898;
    
    /* Semantic Colors */
    --success: #00ff88;
    --warning: #ffaa00;
    --error: #ff3366;
    --info: #00d9ff;
    
    /* Shadows - 3D Enhanced */
    --shadow-1: 0 2px 8px rgba(0,0,0,0.4), 0 1px 4px rgba(0,0,0,0.3);
    --shadow-2: 0 4px 16px rgba(0,0,0,0.5), 0 2px 8px rgba(0,0,0,0.4);
    --shadow-3: 0 8px 32px rgba(0,0,0,0.6), 0 4px 16px rgba(0,0,0,0.5);
    --shadow-4: 0 16px 48px rgba(0,0,0,0.7), 0 8px 24px rgba(0,0,0,0.6);
    --shadow-5: 0 24px 64px rgba(0,0,0,0.8), 0 12px 32px rgba(0,0,0,0.7);
    
    /* Glow Effects */
    --glow-primary: 0 0 20px var(--primary-glow), 0 0 40px var(--primary-glow);
    --glow-secondary: 0 0 20px var(--secondary-glow), 0 0 40px var(--secondary-glow);
    --glow-accent: 0 0 20px var(--accent-glow), 0 0 40px var(--accent-glow);
    
    /* Glass Morphism */
    --glass-bg: rgba(19, 19, 24, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

    
    /* Typography */
    --font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container Width */
    --container-max: 1200px;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height-base);
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-bg-2) 50%, var(--dark-bg) 100%);
    background-attachment: fixed;
    overflow-x: hidden;
    position: relative;
}

/* Animated Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(0, 217, 255, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 0, 255, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(0, 255, 136, 0.02) 0%, transparent 50%);
    z-index: -1;
    animation: backgroundPulse 15s ease-in-out infinite;
}

@keyframes backgroundPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* =========================================
   Particle Background Canvas
   ========================================= */
.bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    pointer-events: none;
    opacity: 0.6;
}

/* =========================================
   3D Interaction Enhancements
   ========================================= */

/* Parallax layers */
[data-parallax] {
    will-change: transform;
}

/* Tilt-enabled cards */
.tilt-enabled {
    transform-style: preserve-3d;
    will-change: transform;
}

/* Add subtle 3D depth to navigation items */
.nav-menu a {
    will-change: transform;
}

/* Enhanced 3D transforms for hero elements */
.hero-title,
.hero-subtitle,
.hero-description {
    will-change: transform;
}

/* Smooth transforms for feature icons */
.feature-icon {
    will-change: transform;
}

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

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

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

ul {
    list-style: none;
}

/* =========================================
   Container & Layout
   ========================================= */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* =========================================
   Navigation
   ========================================= */
.navbar {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-3), 0 0 0 1px var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-base);
    border-bottom: 1px solid var(--glass-border);
    transform-style: preserve-3d;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-shadow: var(--glow-primary);
    transform: perspective(500px) translateZ(20px);
    transition: all var(--transition-base);
}

.logo:hover {
    transform: perspective(500px) translateZ(30px);
    text-shadow: var(--glow-primary), 0 0 60px var(--primary-glow);
}

.logo .material-icons {
    font-size: 2rem;
    filter: drop-shadow(0 0 10px var(--primary-glow));
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
    padding: var(--spacing-xs);
}

.menu-toggle .material-icons {
    font-size: 1.75rem;
}

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

.nav-menu a {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    position: relative;
    transform: perspective(500px) translateZ(0);
}

.nav-menu a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: translateX(-50%);
    transition: width var(--transition-base);
    box-shadow: var(--glow-primary);
}

.nav-menu a:hover::before,
.nav-menu a.active::before {
    width: 80%;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary);
    background-color: rgba(0, 217, 255, 0.05);
    transform: perspective(500px) translateZ(10px);
    text-shadow: 0 0 20px var(--primary-glow);
}

.nav-menu .github-link {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: linear-gradient(135deg, var(--dark-surface-3), var(--dark-surface-2));
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-2);
    position: relative;
    overflow: hidden;
    transform: perspective(500px) translateZ(10px);
}

.nav-menu .github-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.2), transparent);
    transition: left 0.5s;
}

.nav-menu .github-link:hover::before {
    left: 100%;
}

.nav-menu .github-link:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    transform: perspective(500px) translateZ(20px) translateY(-2px);
    box-shadow: var(--shadow-3), var(--glow-primary);
    border-color: var(--primary);
}

.nav-menu .github-link .material-icons {
    font-size: 1.2rem;
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-surface) 50%, var(--dark-bg) 100%);
    color: var(--white);
    padding: var(--spacing-xxl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.1) 0%, transparent 70%);
    animation: heroRotate 20s linear infinite;
}

@keyframes heroRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    transform-style: preserve-3d;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease;
    background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 30px var(--primary-glow));
    transform: perspective(1000px) translateZ(50px);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.2s backwards;
    color: var(--text-primary);
    text-shadow: 0 0 20px rgba(0, 217, 255, 0.3);
    transform: perspective(1000px) translateZ(30px);
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
    animation: fadeInUp 0.8s ease 0.4s backwards;
    color: var(--text-secondary);
    transform: perspective(1000px) translateZ(20px);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s backwards;
}

/* =========================================
   Buttons
   ========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-2);
    position: relative;
    overflow: hidden;
    transform: perspective(500px) translateZ(0);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: var(--text-primary);
    border: 1px solid var(--secondary);
    box-shadow: var(--shadow-2), var(--glow-secondary);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--secondary-light), var(--secondary));
    transform: perspective(500px) translateZ(20px) translateY(-4px);
    box-shadow: var(--shadow-4), var(--glow-secondary), 0 0 60px var(--secondary-glow);
}

.btn-secondary {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    color: var(--primary);
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-2), 0 0 20px var(--primary-glow);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--dark-bg);
    transform: perspective(500px) translateZ(20px) translateY(-4px);
    box-shadow: var(--shadow-4), var(--glow-primary), 0 0 60px var(--primary-glow);
    border-color: transparent;
}

/* =========================================
   Sections
   ========================================= */
section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.2rem;
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* =========================================
   Features Section
   ========================================= */
.features {
    background: var(--dark-bg);
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

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

.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    transition: all var(--transition-base);
    text-align: center;
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    transform: perspective(1000px) rotateX(0deg) rotateY(0deg);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.feature-card:hover {
    transform: perspective(1000px) rotateX(5deg) rotateY(5deg) translateZ(30px) translateY(-10px);
    box-shadow: var(--shadow-5), var(--glow-primary);
    border-color: var(--primary);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--glow-primary);
    position: relative;
    transform: perspective(500px) translateZ(20px);
    transition: all var(--transition-base);
}

.feature-icon::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.feature-card:hover .feature-icon::before {
    opacity: 1;
    animation: rotate 2s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.feature-icon .material-icons {
    font-size: 2.5rem;
    color: var(--text-primary);
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.5));
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* =========================================
   Info Section
   ========================================= */
.info-section {
    background: var(--dark-surface);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.info-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.03), transparent);
    animation: shimmer 10s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(0); }
    100% { transform: translateX(50%); }
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.info-content h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.info-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.info-list {
    margin-top: var(--spacing-lg);
}

.info-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.info-list .material-icons {
    color: var(--success);
    margin-top: 2px;
}

.info-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-4), var(--glow-primary);
    border: 2px solid var(--glass-border);
    position: relative;
    overflow: hidden;
    transform: perspective(1000px) rotateY(0deg);
    transition: all var(--transition-slow);
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(255, 255, 255, 0.2), transparent 30%);
    animation: spin 4s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.image-placeholder:hover {
    transform: perspective(1000px) rotateY(10deg) scale(1.05);
    box-shadow: var(--shadow-5), var(--glow-primary), 0 0 80px var(--primary-glow);
}

.image-placeholder .material-icons {
    font-size: 8rem;
    color: var(--text-primary);
    opacity: 0.9;
    filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.5));
    z-index: 1;
}

/* =========================================
   CTA Section
   ========================================= */
.cta-section {
    background: linear-gradient(135deg, var(--dark-surface) 0%, var(--dark-bg) 50%, var(--dark-surface) 100%);
    color: var(--text-primary);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(255, 0, 255, 0.1) 0%, transparent 70%);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px var(--primary-glow));
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    position: relative;
    z-index: 1;
}

/* =========================================
   Page Header
   ========================================= */
.page-header {
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-surface) 50%, var(--dark-bg) 100%);
    color: var(--text-primary);
    padding: var(--spacing-xxl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 217, 255, 0.1) 0%, transparent 70%);
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    position: relative;
    z-index: 1;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 30px var(--primary-glow));
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

/* =========================================
   Content Section
   ========================================= */
.content-section {
    padding: var(--spacing-xxl) 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xxl);
}

.content-main h2 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.content-main h2:first-child {
    margin-top: 0;
}

.content-main h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.content-main h4 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.content-main p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.content-list {
    margin: var(--spacing-md) 0;
}

.content-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-sm);
}

.content-list .material-icons {
    color: var(--primary);
    margin-top: 2px;
    font-size: 1.5rem;
}

.content-list strong {
    color: var(--text-primary);
}

/* =========================================
   Notice & Info Boxes
   ========================================= */
.notice-box,
.warning-box,
.highlight-box,
.contact-box,
.acknowledgment-box {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
    box-shadow: var(--glass-shadow);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.notice-box::before,
.warning-box::before,
.highlight-box::before,
.contact-box::before,
.acknowledgment-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transition: left 0.5s;
}

.notice-box:hover::before,
.warning-box:hover::before,
.highlight-box:hover::before,
.contact-box:hover::before,
.acknowledgment-box:hover::before {
    left: 100%;
}

.notice-box {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.05), rgba(33, 150, 243, 0.15));
    border-left: 4px solid var(--info);
    box-shadow: var(--glass-shadow), 0 0 20px rgba(0, 217, 255, 0.2);
}

.warning-box {
    background: linear-gradient(135deg, rgba(255, 167, 38, 0.05), rgba(255, 167, 38, 0.15));
    border-left: 4px solid var(--warning);
    box-shadow: var(--glass-shadow), 0 0 20px rgba(255, 167, 38, 0.2);
}

.warning-box .material-icons {
    color: var(--warning);
    font-size: 2rem;
}

.highlight-box {
    background: linear-gradient(135deg, rgba(0, 188, 212, 0.05), rgba(0, 188, 212, 0.15));
    border-left: 4px solid var(--accent);
    box-shadow: var(--glass-shadow), 0 0 20px rgba(0, 188, 212, 0.2);
}

.contact-box {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.05), rgba(26, 26, 36, 0.5));
    border-left: 4px solid var(--primary);
    box-shadow: var(--glass-shadow), 0 0 20px var(--primary-glow);
}

.acknowledgment-box {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05), rgba(102, 187, 106, 0.15));
    border-left: 4px solid var(--success);
    box-shadow: var(--glass-shadow), 0 0 20px rgba(0, 255, 136, 0.2);
}

.notice-box .material-icons,
.highlight-box .material-icons,
.contact-box .material-icons,
.acknowledgment-box .material-icons {
    color: var(--primary);
    font-size: 2rem;
}

/* =========================================
   Cards & Grids
   ========================================= */
.values-grid,
.risk-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.value-card,
.risk-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--glass-shadow);
    text-align: center;
    transition: all var(--transition-base);
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
    transform: perspective(1000px) translateZ(0);
}

.value-card::before,
.risk-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.1), transparent);
    transition: left 0.5s;
}

.value-card:hover::before,
.risk-card:hover::before {
    left: 100%;
}

.value-card:hover,
.risk-card:hover {
    transform: perspective(1000px) translateZ(20px) translateY(-8px);
    box-shadow: var(--shadow-4), var(--glow-primary);
    border-color: var(--primary);
}

.value-card .material-icons,
.risk-card .material-icons {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(0 0 15px var(--primary-glow));
    transition: all var(--transition-base);
}

.value-card:hover .material-icons {
    transform: scale(1.2) rotateY(360deg);
    transition: transform 0.6s ease;
}

.risk-card .material-icons {
    color: var(--error);
    filter: drop-shadow(0 0 15px rgba(255, 51, 102, 0.5));
}

.risk-card:hover .material-icons {
    transform: scale(1.2) rotateY(360deg);
    transition: transform 0.6s ease;
}

.value-card h4,
.risk-card h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

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

/* =========================================
   GitHub Section
   ========================================= */
.github-section {
    margin: var(--spacing-xl) 0;
}

.github-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    color: var(--text-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--glass-shadow), var(--glow-primary);
    border: 2px solid var(--glass-border);
    position: relative;
    overflow: hidden;
    transform: perspective(1000px) translateZ(0);
    transition: all var(--transition-base);
}

.github-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(0, 217, 255, 0.1), transparent 30%);
    animation: spin 6s linear infinite;
}

.github-card:hover {
    transform: perspective(1000px) translateZ(30px) scale(1.02);
    box-shadow: var(--shadow-5), var(--glow-primary), 0 0 60px var(--primary-glow);
    border-color: var(--primary);
}

.github-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.2), rgba(0, 153, 204, 0.3));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--primary);
    box-shadow: var(--glow-primary);
    position: relative;
    z-index: 1;
    transition: all var(--transition-base);
}

.github-card:hover .github-icon {
    transform: scale(1.1) rotateY(360deg);
    transition: transform 0.8s ease;
}

.github-icon .material-icons {
    font-size: 3rem;
    color: var(--primary);
    filter: drop-shadow(0 0 10px var(--primary-glow));
}

.github-card h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.github-card p {
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.github-card .btn {
    background-color: var(--primary);
    color: var(--dark-bg);
}

.github-card .btn:hover {
    background-color: var(--primary-light);
}

/* =========================================
   Sidebar
   ========================================= */
.content-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.sidebar-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--glass-shadow);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-base);
    transform: perspective(500px) translateZ(0);
}

.sidebar-card:hover {
    transform: perspective(500px) translateZ(10px);
    box-shadow: var(--shadow-3), 0 0 30px var(--primary-glow);
    border-color: var(--primary);
}

.sidebar-card h3,
.sidebar-card h4 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.sidebar-card.warning {
    background: linear-gradient(135deg, rgba(255, 167, 38, 0.05), rgba(255, 167, 38, 0.15));
    border-left: 4px solid var(--warning);
    box-shadow: var(--glass-shadow), 0 0 20px rgba(255, 167, 38, 0.3);
}

.sidebar-card.warning .material-icons {
    color: var(--warning);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.sidebar-card.highlight {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1), rgba(0, 153, 204, 0.2));
    color: var(--text-primary);
    border: 2px solid var(--primary);
    box-shadow: var(--glass-shadow), var(--glow-primary);
    position: relative;
    overflow: hidden;
}

.sidebar-card.highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
}

.sidebar-card.highlight .material-icons {
    color: var(--primary);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.sidebar-links {
    list-style: none;
}

.sidebar-links li {
    margin-bottom: var(--spacing-sm);
}

.sidebar-links a {
    color: var(--primary);
    transition: all var(--transition-base);
}

.sidebar-links a:hover {
    color: var(--primary-dark);
    padding-left: var(--spacing-xs);
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.info-item .material-icons {
    color: var(--primary);
    font-size: 1.5rem;
}

.info-item strong {
    display: block;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.info-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

/* =========================================
   Footer
   ========================================= */
.footer {
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--dark-surface) 100%);
    color: var(--text-primary);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
    border-top: 1px solid var(--glass-border);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), var(--accent), transparent);
}

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

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.footer-section ul {
    list-style: none;
}

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

.footer-section ul li a {
    color: var(--text-secondary);
    transition: all var(--transition-base);
}

.footer-section ul li a:hover {
    color: var(--primary);
    padding-left: var(--spacing-xs);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    border: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
    transform: perspective(500px) translateZ(0);
}

.social-link::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.social-link:hover::before {
    opacity: 1;
}

.social-link:hover {
    transform: perspective(500px) translateZ(20px) translateY(-6px);
    box-shadow: var(--shadow-3), var(--glow-primary);
    border-color: transparent;
}

.social-link .material-icons {
    color: var(--text-primary);
    font-size: 1.25rem;
    position: relative;
    z-index: 1;
    transition: all var(--transition-base);
}

.social-link:hover .material-icons {
    color: var(--dark-bg);
    transform: scale(1.2) rotate(360deg);
}

.footer-bottom {
    border-top: 1px solid var(--dark-border);
    padding-top: var(--spacing-lg);
    text-align: center;
}

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

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

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

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

/* =========================================
   Responsive Design
   ========================================= */
@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .content-sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    /* Typography */
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    /* Navigation */
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--dark-surface);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: 0 4px 12px rgba(0,0,0,0.5);
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-base);
        border-bottom: 1px solid var(--dark-border);
    }
    
    .nav-menu.active {
        max-height: 500px;
    }
    
    .nav-menu a {
        display: block;
        padding: var(--spacing-md);
        width: 100%;
    }
    
    /* Grid Layouts */
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .values-grid,
    .risk-cards {
        grid-template-columns: 1fr;
    }
    
    /* Hero */
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-base: 14px;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
}

/* =========================================
   Print Styles
   ========================================= */
@media print {
    .navbar,
    .hero,
    .cta-section,
    .footer {
        display: none;
    }
    
    body {
        font-size: 12pt;
        background: white;
        color: black;
    }
    
    a {
        color: black;
        text-decoration: underline;
    }
}