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

:root {
    /* Color Palette */
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --secondary-color: #8b5cf6;
    --accent-color: #06d6a0;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    scroll-behavior: smooth;
}

body.menu-open {
    overflow: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-weight: var(--font-weight-bold);
    font-size: 1.5rem;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-logo i {
    margin-right: var(--spacing-sm);
    font-size: 1.75rem;
}

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

.nav-link {
    color: var(--gray-600);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-fast);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-button {
    background: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-fast);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    margin: 3px 0;
    transition: var(--transition-fast);
}

/* Hero Section */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-20px, -20px) rotate(1deg); }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    color: var(--gray-900);
}

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

.hero-description {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
}

.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

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

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.trading-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 400px;
    animation: cardFloat 6s ease-in-out infinite;
}

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

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

.card-header h3 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-800);
}

.status-indicator {
    width: 12px;
    height: 12px;
    background: var(--success-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.trading-chart {
    height: 120px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.chart-line {
    position: absolute;
    top: 50%;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--success-color) 100%);
    transform: translateY(-50%);
}

.chart-line::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 0;
    right: 0;
    height: 20px;
    background: linear-gradient(90deg, 
        rgba(59, 130, 246, 0.1) 0%, 
        rgba(16, 185, 129, 0.1) 100%);
    border-radius: var(--radius-sm);
}

.chart-points {
    position: absolute;
    top: 50%;
    left: 10%;
    right: 10%;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
}

.point {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    border: 2px solid var(--white);
}

.point.active {
    background: var(--success-color);
    animation: pointPulse 1.5s infinite;
}

.point.profit {
    background: var(--accent-color);
}

@keyframes pointPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

.trading-info {
    display: flex;
    justify-content: space-between;
}

.info-item {
    display: flex;
    flex-direction: column;
}

.info-item .label {
    font-size: 0.75rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-item .value {
    font-weight: var(--font-weight-semibold);
    color: var(--gray-800);
}

.info-item .value.success {
    color: var(--success-color);
}

/* Enhanced trading sections */
.status-indicator.live {
    background: var(--success-color);
}

.status-indicator.offline {
    background: #ef4444;
}

.active-trades-summary {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.trade-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: rgba(59, 130, 246, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(59, 130, 246, 0.1);
}

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

.stat-item .label {
    display: block;
    color: var(--gray-500);
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-item .value {
    display: block;
    color: var(--gray-900);
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
}

.current-trade-details h4 {
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
}

.trade-info {
    display: grid;
    gap: 0.5rem;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    color: var(--gray-500);
    font-size: 0.875rem;
}

.info-value {
    color: var(--gray-900);
    font-weight: var(--font-weight-semibold);
}

.no-trades, .error-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--gray-500);
}

.no-trades h4, .error-state h4 {
    color: var(--gray-900);
    margin-bottom: 0.5rem;
    font-weight: var(--font-weight-semibold);
}

/* Recent trades section */
.recent-trades-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.trades-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
}

.trade-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border-left: 4px solid transparent;
}

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

.trade-card.profit {
    border-left-color: var(--success-color);
}

.trade-card.loss {
    border-left-color: #ef4444;
}

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

.trade-header h4 {
    margin: 0;
    color: var(--gray-900);
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
}

.trade-result {
    font-weight: var(--font-weight-bold);
    font-size: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
}

.trade-result.profit {
    color: var(--success-color);
    background: rgba(16, 185, 129, 0.1);
}

.trade-result.loss {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

.trade-details {
    display: grid;
    gap: 0.75rem;
    margin-bottom: var(--spacing-md);
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--gray-500);
    font-size: 0.875rem;
}

.detail-row span:last-child {
    color: var(--gray-900);
    font-weight: var(--font-weight-semibold);
}

.trade-footer {
    border-top: 1px solid var(--gray-200);
    padding-top: 0.75rem;
}

.trade-footer small {
    color: var(--gray-400);
    font-size: 0.75rem;
}

.no-data {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--gray-500);
    font-style: italic;
    padding: var(--spacing-2xl);
}

/* Responsive design for trading sections */
@media (max-width: 768px) {
    .trade-stats {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .trades-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .trading-card {
        padding: var(--spacing-lg);
    }
    
    .recent-trades-section {
        padding: 3rem 0;
    }
    
    .stat-item .value {
        font-size: 1.1rem;
    }
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

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

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

.feature-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

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

.feature-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.feature-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.feature-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

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

.feature-list li {
    color: var(--gray-600);
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-left: var(--spacing-lg);
}

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

/* Technology Section */
.technology {
    padding: 80px 0;
    background: var(--gray-50);
}

.tech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.tech-text h2 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--gray-900);
    margin-bottom: var(--spacing-lg);
}

.tech-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.tech-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.tech-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.tech-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: var(--spacing-xs);
}

.tech-item h4 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: var(--spacing-xs);
}

.tech-item p {
    color: var(--gray-600);
}

.tech-stack {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

.stack-layer {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    transition: var(--transition-normal);
}

.stack-layer:last-child {
    margin-bottom: 0;
}

.stack-layer:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.stack-layer span {
    display: block;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.layer-tech {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* Education Section */
.education {
    padding: 80px 0;
    background: var(--white);
}

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

.education-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: var(--transition-normal);
}

.education-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.education-image {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
}

.education-image i {
    font-size: 2rem;
    color: var(--white);
}

.education-card h3 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.education-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

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

.learn-link:hover {
    color: var(--primary-dark);
    transform: translateX(5px);
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
}

.cta-content p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-2xl);
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
}

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

.cta .btn-primary:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

.cta .btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

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

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 60px 0 20px;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    font-weight: var(--font-weight-bold);
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.footer-logo i {
    margin-right: var(--spacing-sm);
    color: var(--primary-color);
}

.footer-section p {
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

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

.social-links a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition-fast);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    min-width: 60px;
}

.social-links a i {
    width: 40px;
    height: 40px;
    background: var(--gray-800);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: var(--transition-fast);
}

.social-label {
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.social-links a:hover {
    color: var(--white);
    transform: translateY(-2px);
}

.social-links a:hover i {
    background: var(--primary-color);
    color: var(--white);
}

/* Specific social link colors */
.social-bot:hover i {
    background: #3b82f6; /* Blue for bot */
}

.social-channel:hover i {
    background: #10b981; /* Green for channel */
}

.social-chat:hover i {
    background: #f59e0b; /* Orange for chat */
}

.footer-section h4 {
    color: var(--white);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-lg);
}

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

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

.footer-section ul li a {
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: var(--spacing-xl);
}

.footer-disclaimer {
    background: var(--gray-800);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--warning-color);
}

.footer-disclaimer p {
    font-size: 0.875rem;
    line-height: 1.5;
    margin: 0;
}

.footer-copyright {
    text-align: center;
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: var(--spacing-3xl) var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
        z-index: 999;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-menu a {
        margin: var(--spacing-lg) 0;
        font-size: 1.125rem;
        width: 100%;
        max-width: 280px;
        text-align: center;
        padding: var(--spacing-lg) var(--spacing-xl);
        border-radius: var(--radius-lg);
        transition: background 0.2s ease;
    }
    
    .nav-menu a:hover {
        background: var(--gray-100);
    }
    
    .hamburger {
        display: flex;
        z-index: 1000;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .tech-content {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .step-card {
        padding: var(--spacing-xl);
    }
    
    .step-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .btn-large {
        padding: var(--spacing-lg) var(--spacing-xl);
        font-size: 1rem;
    }
    
    .hero-container {
        padding: 0 var(--spacing-lg);
    }
    
    .features,
    .how-it-works,
    .technology,
    .education,
    .cta {
        padding: var(--spacing-4xl) 0;
    }
    
    .section-header {
        padding: 0 var(--spacing-lg);
        margin-bottom: var(--spacing-3xl);
    }
    
    .features-grid,
    .steps-grid,
    .education-grid {
        padding: 0 var(--spacing-lg);
    }
    
    .footer {
        padding: var(--spacing-4xl) 0 var(--spacing-2xl);
    }
    
    .footer-content {
        padding: 0 var(--spacing-lg);
        gap: var(--spacing-3xl);
    }
    
    .footer-disclaimer {
        margin: var(--spacing-2xl) var(--spacing-lg) var(--spacing-xl);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero {
        padding: 100px 0 var(--spacing-3xl);
    }
    
    .hero-container {
        padding: 0 var(--spacing-md);
        gap: var(--spacing-2xl);
    }
    
    .hero-title {
        font-size: 2rem;
        margin-bottom: var(--spacing-lg);
    }
    
    .hero-description {
        margin-bottom: var(--spacing-xl);
    }
    
    .hero-buttons {
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-2xl);
    }
    
    .hero-stats {
        gap: var(--spacing-lg);
    }
    
    .section-header {
        margin-bottom: var(--spacing-2xl);
        padding: 0 var(--spacing-md);
    }
    
    .section-header h2 {
        font-size: 2rem;
        margin-bottom: var(--spacing-md);
    }
    
    .features {
        padding: var(--spacing-3xl) 0;
    }
    
    .features-grid {
        gap: var(--spacing-xl);
        padding: 0 var(--spacing-md);
    }
    
    .feature-card,
    .education-card {
        padding: var(--spacing-lg);
        margin: 0 var(--spacing-md);
    }
    
    .how-it-works {
        padding: var(--spacing-3xl) 0;
    }
    
    .steps-grid {
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-md);
    }
    
    .step-card {
        padding: var(--spacing-lg);
        margin: 0 var(--spacing-sm);
    }
    
    .step-card h3 {
        font-size: 1.25rem;
    }
    
    .technology {
        padding: var(--spacing-3xl) 0;
    }
    
    .tech-content {
        padding: 0 var(--spacing-md);
        gap: var(--spacing-2xl);
    }
    
    .tech-stack {
        padding: var(--spacing-lg);
    }
    
    .education {
        padding: var(--spacing-3xl) 0;
    }
    
    .education-grid {
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-md);
    }
    
    .cta {
        padding: var(--spacing-3xl) 0;
    }
    
    .cta-content {
        padding: 0 var(--spacing-md);
    }
    
    .cta-buttons {
        gap: var(--spacing-md);
    }
    
    .btn-large {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 1rem;
        width: 100%;
        max-width: 280px;
    }
    
    .footer {
        padding: var(--spacing-3xl) 0 var(--spacing-xl);
    }
    
    .footer-content {
        gap: var(--spacing-2xl);
        padding: 0 var(--spacing-md);
    }
    
    .footer-section {
        margin-bottom: var(--spacing-xl);
    }
    
    .social-links {
        justify-content: center;
        gap: var(--spacing-md);
    }
    
    .footer-disclaimer {
        margin: var(--spacing-xl) var(--spacing-md) var(--spacing-lg);
        padding: var(--spacing-md);
    }
    
    .footer-copyright {
        padding: 0 var(--spacing-md);
    }
}

/* How It Works Section */
.how-it-works {
    padding: var(--spacing-4xl) 0;
    background: var(--gray-50);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-3xl);
}

.step-card {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-sm);
    text-align: center;
    position: relative;
    transition: var(--transition-normal);
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 30px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    font-size: 0.875rem;
}

.step-icon {
    width: 80px;
    height: 80px;
    margin: var(--spacing-lg) 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(--white);
    font-size: 2rem;
}

.step-card h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--gray-900);
}

.step-card p {
    color: var(--gray-600);
    line-height: 1.6;
}

/* Enhanced Button Styles */
.btn-pulse {
    animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
    0% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(59, 130, 246, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0);
    }
}

.btn-large {
    padding: var(--spacing-xl) var(--spacing-3xl);
    font-size: 1.125rem;
    font-weight: var(--font-weight-bold);
}

.cta-note {
    margin-top: var(--spacing-lg);
    text-align: center;
}

.cta-note small {
    color: var(--gray-500);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.cta-note i {
    color: var(--success-color);
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    animation: fadeIn 0.6s ease-out forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.slide-up {
    transform: translateY(30px);
    opacity: 0;
    animation: slideUp 0.6s ease-out forwards;
}

@keyframes slideUp {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Loading States */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: loading 1.5s infinite;
}

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