:root {
    --primary-color: #0078d4;
    --primary-dark: #106ebe;
    --secondary-color: #00bcf2;
    --accent-color: #ff6b35;
    --success-color: #107c10;
    --warning-color: #ff8c00;
    --error-color: #d13438;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f3f2f1;
    --bg-accent: #faf9f8;
    --bg-dark: #323130;
    
    --text-primary: #323130;
    --text-secondary: #605e5c;
    --text-light: #8a8886;
    --text-white: #ffffff;
    
    --border-color: #edebe9;
    --border-light: #f3f2f1;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-md: 0 3px 6px rgba(0,0,0,0.16), 0 3px 6px rgba(0,0,0,0.23);
    --shadow-lg: 0 10px 20px rgba(0,0,0,0.19), 0 6px 6px rgba(0,0,0,0.23);
    --shadow-xl: 0 14px 28px rgba(0,0,0,0.25), 0 10px 10px rgba(0,0,0,0.22);
    
    --border-radius: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

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

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

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

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.section-header h2 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

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

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

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

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

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

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

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
}

.nav-brand i {
    font-size: var(--font-size-2xl);
}

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

.nav-link {
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition-fast);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
}

.nav-link:hover {
    color: var(--primary-color);
    background: var(--bg-accent);
}

.nav-link.cta-button {
    background: var(--primary-color);
    color: var(--text-white) !important;
    padding: var(--spacing-sm) var(--spacing-lg);
}

.nav-link.cta-button:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.mobile-menu-toggle {
    display: none;
    font-size: var(--font-size-xl);
    cursor: pointer;
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--text-white);
    padding: calc(var(--spacing-4xl) + 80px) 0 var(--spacing-4xl);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 50px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, #ffffff, #f0f8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-2xl);
    opacity: 0.9;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.9);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.earth-animation {
    font-size: 200px;
    animation: rotate 20s linear infinite;
    filter: drop-shadow(0 0 30px rgba(255, 255, 255, 0.3));
}

.data-points {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
}

.data-point {
    position: absolute;
    font-size: var(--font-size-3xl);
    animation: orbit var(--delay, 3s) infinite linear, float 2s ease-in-out infinite;
    opacity: 0.8;
}

.data-point:nth-child(1) { top: 0; left: 50%; transform: translate(-50%, 0); }
.data-point:nth-child(2) { top: 25%; right: 0; }
.data-point:nth-child(3) { bottom: 25%; right: 0; }
.data-point:nth-child(4) { bottom: 0; left: 50%; transform: translate(-50%, 0); }
.data-point:nth-child(5) { bottom: 25%; left: 0; }
.data-point:nth-child(6) { top: 25%; left: 0; }

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes orbit {
    from { transform: rotate(0deg) translateX(150px) rotate(0deg); }
    to { transform: rotate(360deg) translateX(150px) rotate(-360deg); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Project Overview */
.project-overview {
    padding: var(--spacing-4xl) 0;
    background: var(--bg-secondary);
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.overview-card {
    background: var(--bg-primary);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: var(--font-size-3xl);
}

.overview-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
}

.feature-card {
    background: var(--bg-primary);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-lg);
}

.feature-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.feature-card p {
    margin-bottom: var(--spacing-lg);
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: var(--spacing-sm);
    color: var(--success-color);
    font-weight: bold;
}

/* Technology Stack */
.tech-stack {
    padding: var(--spacing-4xl) 0;
    background: var(--bg-secondary);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-xl);
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-xl);
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
}

.tech-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.tech-item i {
    font-size: var(--font-size-3xl);
    color: var(--primary-color);
}

.tech-item span {
    font-weight: 500;
    color: var(--text-primary);
}

/* Team Section */
.team {
    padding: var(--spacing-4xl) 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
}

.team-member {
    background: var(--bg-primary);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.team-member:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.member-photo {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: var(--font-size-3xl);
    overflow: hidden;
    position: relative;
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.photo-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: var(--font-size-3xl);
}

.team-member h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.member-role {
    color: var(--primary-color);
    font-weight: 500;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.member-bio {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-lg);
}

.member-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.member-links a {
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.member-links a:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-2px);
}

/* Training Section */
.training {
    padding: var(--spacing-4xl) 0;
    background: var(--bg-secondary);
}

.training-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.training-info h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.training-info p {
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.training-features {
    margin-bottom: var(--spacing-2xl);
}

.training-feature {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.training-feature i {
    color: var(--primary-color);
    font-size: var(--font-size-xl);
    margin-top: var(--spacing-xs);
    flex-shrink: 0;
}

.training-feature h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.training-feature p {
    margin: 0;
    font-size: var(--font-size-sm);
}

.workshop-topics h4 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.workshop-topics ul {
    list-style: none;
    padding: 0;
}

.workshop-topics li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--text-secondary);
}

.workshop-topics li::before {
    content: '📚';
    position: absolute;
    left: 0;
    top: var(--spacing-sm);
}

.training-visual {
    display: flex;
    justify-content: center;
}

.workshop-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

.workshop-stat {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary-color);
}

.workshop-stat h3 {
    font-size: var(--font-size-4xl);
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.workshop-stat p {
    margin: 0;
    font-weight: 500;
    color: var(--text-primary);
}

/* Media & Testimonials Section */
.media-section {
    padding: var(--spacing-4xl) 0;
    background: var(--bg-secondary);
}

.media-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4xl);
}

/* Podcast Section */
.podcast-card {
    background: var(--bg-primary);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-xl);
    align-items: flex-start;
}

.media-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: var(--font-size-3xl);
    flex-shrink: 0;
}

.media-info {
    flex: 1;
}

.media-info h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.media-description {
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

.youtube-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    margin-bottom: var(--spacing-lg);
}

.youtube-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--border-radius-md);
}

.media-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.media-link:hover {
    color: var(--secondary-color);
}

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

.subsection-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    color: var(--text-primary);
}

.subsection-description {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.testimonial-card {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.testimonial-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: var(--font-size-xl);
}

.testimonial-card h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.testimonial-role {
    color: var(--primary-color);
    font-weight: 500;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

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

.testimonial-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* Workshop Photos Section */
.workshop-photos-section {
    margin-top: var(--spacing-4xl);
}

.photo-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.photo-item {
    text-align: center;
}

.photo-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.photo-item img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}

.photo-placeholder {
    width: 100%;
    height: 200px;
    background: var(--bg-primary);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    transition: var(--transition);
}

.photo-placeholder:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.photo-placeholder i {
    font-size: var(--font-size-3xl);
}

.photo-caption {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

/* Responsive Design for Media Section */
@media (max-width: 768px) {
    .podcast-card {
        flex-direction: column;
        text-align: center;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .photo-gallery {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--spacing-lg);
    }
}

/* Impact Section */
.impact {
    padding: var(--spacing-4xl) 0;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
}

.impact-card {
    background: var(--bg-primary);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    text-align: center;
}

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

.impact-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: var(--font-size-3xl);
}

.impact-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.impact-card p {
    margin-bottom: var(--spacing-lg);
}

.impact-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-color);
    font-weight: 500;
    transition: var(--transition-fast);
}

.impact-link:hover {
    color: var(--primary-dark);
    transform: translateX(2px);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    backdrop-filter: blur(4px);
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 400px;
    width: 90%;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
}

.close {
    font-size: var(--font-size-xl);
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

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

.modal-body {
    padding: var(--spacing-xl);
}

.qr-container {
    text-align: center;
}

.qr-container canvas {
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius);
}

.qr-container p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.qr-url {
    font-weight: 500;
    color: var(--primary-color);
    font-family: monospace;
    background: var(--bg-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    display: inline-block;
}

/* Contact Section */
.contact {
    padding: var(--spacing-4xl) 0;
    background: var(--bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.contact-card {
    background: var(--bg-primary);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.contact-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: var(--font-size-3xl);
}

.contact-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.contact-card p {
    margin-bottom: var(--spacing-lg);
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-color);
    font-weight: 500;
    transition: var(--transition-fast);
}

.contact-link:hover {
    color: var(--primary-dark);
    transform: translateX(2px);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 600;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-fast);
}

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

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom p {
    margin-bottom: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-2xl);
    }
    
    .hero-visual {
        order: -1;
    }
    
    .earth-animation {
        font-size: 150px;
    }
    
    .data-points {
        width: 250px;
        height: 250px;
    }
    
    .training-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .features-grid,
    .team-grid,
    .impact-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .overview-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .footer-links {
        order: -1;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .earth-animation {
        font-size: 120px;
    }
    
    .data-points {
        width: 200px;
        height: 200px;
    }
    
    .data-point {
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .section-header h2 {
        font-size: var(--font-size-3xl);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-size-sm);
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .workshop-stats {
        gap: var(--spacing-md);
    }
    
    .workshop-stat {
        padding: var(--spacing-lg);
    }
    
    .workshop-stat h3 {
        font-size: var(--font-size-3xl);
    }
    
    .earth-animation {
        font-size: 100px;
    }
    
    .data-points {
        width: 150px;
        height: 150px;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .footer,
    .hero-buttons,
    .btn,
    .modal {
        display: none;
    }
    
    body {
        color: #000;
        background: #fff;
    }
    
    .hero {
        background: none;
        color: #000;
    }
    
    .section-header h2 {
        color: #000;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus states for keyboard navigation */
.btn:focus,
.nav-link:focus,
.contact-link:focus,
.impact-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0000ff;
        --text-primary: #000000;
        --text-secondary: #000000;
        --bg-primary: #ffffff;
        --border-color: #000000;
    }
}