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

:root {
    /* Color Palette - Official Investra Platform Colors */
    --primary-green: #2E7D32; /* Dark Green - Primary */
    --secondary-green: #4CAF50; /* Medium Green - Secondary */
    --light-green: #81C784; /* Light Green */
    --background-white: #FFFFFF; /* White Background */
    --secondary-bg: #F1F8E9; /* Light Green Tint Background */
    --text-dark: #1F2937; /* Dark Gray - Primary Text */
    --text-light: #6B7280; /* Medium Gray - Secondary Text */
    --border-light: #C8E6C9; /* Light Green Border */
    --success: #2E7D32; /* Dark Green - Success */
    --error: #EF4444; /* Red - Error */
    --warning: #F59E0B; /* Orange - Warning */
    
    /* Typography */
    --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 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* 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);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* 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);
    font-weight: 700;
}

h2 {
    font-size: var(--font-size-4xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    min-height: 44px; /* Minimum touch target size */
    min-width: 44px;
}

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

.btn-primary:hover {
    background-color: var(--secondary-green);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background-color: var(--primary-green);
    color: white;
    transform: translateY(-1px);
}

.btn-full {
    width: 100%;
}

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

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    color: inherit;
    transition: opacity 0.2s ease;
}

.nav-logo:hover {
    opacity: 0.8;
}

.nav-logo .logo {
    height: 40px;
    width: auto;
}

.nav-logo .logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-dark);
    font-family: var(--font-family);
}

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

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

.nav-cta {
    background-color: var(--primary-green);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-cta:hover {
    background-color: var(--secondary-green);
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: 120px 0 var(--spacing-2xl);
    background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--background-white) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
}

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

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

.app-mockup {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: white;
    padding: var(--spacing-sm);
}

.app-screenshot {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    display: block;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

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

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

/* Who It's For Section */
.who-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--secondary-bg);
}

.who-tabs {
    max-width: 1000px;
    margin: 0 auto;
}

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

.tab-btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border: 2px solid var(--border-light);
    background: white;
    color: var(--text-light);
    border-radius: var(--radius-lg);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.tab-content {
    position: relative;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.tab-content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.tab-text h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.tab-text ul {
    list-style: none;
    padding: 0;
}

.tab-text li {
    padding: var(--spacing-xs) 0;
    color: var(--text-light);
    position: relative;
    padding-left: var(--spacing-lg);
}

.tab-text li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

.tab-screenshot {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* Features Section */
.features-section {
    padding: var(--spacing-2xl) 0;
}

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

.feature-card {
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: all 0.2s ease;
}

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

.feature-icon {
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
}

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

.feature-card p {
    color: var(--text-light);
    margin: 0;
}

/* Why Investra Section */
.why-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--secondary-bg);
}

.comparison-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 800px;
    margin: 0 auto;
}

.comparison-item {
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
}

.comparison-item.investra {
    border-color: var(--primary-green);
    background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--background-white) 100%);
}

.comparison-item h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.comparison-item ul {
    list-style: none;
    padding: 0;
}

.comparison-item li {
    padding: var(--spacing-xs) 0;
    color: var(--text-light);
}

/* Beta Section */
.beta-section {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-green) 100%);
    color: white;
}

.beta-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

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

.beta-text p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-lg);
}

.beta-form {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Forms */
.form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-md);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Contact CTA Section */
.contact-cta {
    padding: var(--spacing-2xl) 0;
    text-align: center;
    background-color: var(--secondary-bg);
}

.cta-content h2 {
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.footer {
    background-color: var(--text-dark);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-section {
    display: flex;
    flex-direction: column;
}

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

.footer-logo .logo {
    height: 40px;
    width: auto;
}

.footer-logo .logo-text {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: white;
}

.footer-description {
    color: var(--text-light);
    margin: 0 0 var(--spacing-md) 0;
    line-height: 1.6;
}

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

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-green);
    color: white;
    text-decoration: none;
    transition: all 0.2s ease;
}

.social-links a:hover {
    background: var(--secondary-green);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Contact Page Styles */
.contact-hero {
    padding: 120px 0 var(--spacing-xl);
    background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--background-white) 100%);
    text-align: center;
}

.contact-hero-content h1 {
    margin-bottom: var(--spacing-md);
}

.contact-hero-content p {
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin: 0 auto;
}

.contact-form-section {
    padding: var(--spacing-2xl) 0;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact-info h2 {
    margin-bottom: var(--spacing-md);
}

.contact-info p {
    margin-bottom: var(--spacing-xl);
}

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

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

.contact-icon {
    color: var(--primary-green);
    flex-shrink: 0;
}

.contact-item h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.contact-item p {
    color: var(--text-light);
    margin: 0;
}

.contact-link {
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.contact-link:hover {
    color: var(--secondary-green);
    text-decoration: underline;
}

.contact-form-container {
    background: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
}

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

.contact-form .form-group label {
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

/* Demo Page Styles */
.demo-hero {
    padding: 120px 0 var(--spacing-xl);
    background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--background-white) 100%);
    text-align: center;
}

.demo-hero-content h1 {
    margin-bottom: var(--spacing-md);
}

.demo-hero-content p {
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.demo-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.interactive-demo {
    padding: var(--spacing-2xl) 0;
}

.demo-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.demo-header h2 {
    margin-bottom: var(--spacing-md);
}

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

.demo-carousel {
    max-width: 1000px;
    margin: 0 auto;
}

.carousel-container {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.carousel-slide {
    display: none;
}

.carousel-slide.active {
    display: block;
}

.slide-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.slide-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

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

.slide-info p {
    margin-bottom: var(--spacing-md);
}

.slide-info ul {
    list-style: none;
    padding: 0;
}

.slide-info li {
    padding: var(--spacing-xs) 0;
    color: var(--text-light);
    position: relative;
    padding-left: var(--spacing-lg);
}

.slide-info li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
}

.carousel-btn {
    background: white;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-light);
}

.carousel-btn:hover {
    border-color: var(--primary-green);
    color: var(--primary-green);
}

.carousel-indicators {
    display: flex;
    gap: var(--spacing-xs);
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--border-light);
    background: white;
    cursor: pointer;
    transition: all 0.2s ease;
}

.indicator.active,
.indicator:hover {
    border-color: var(--primary-green);
    background: var(--primary-green);
}

.features-demo {
    padding: var(--spacing-2xl) 0;
    background-color: var(--secondary-bg);
}

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

.feature-demo-card {
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: all 0.2s ease;
}

.feature-demo-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-green);
}

.feature-demo-icon {
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
}

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

.feature-demo-card p {
    color: var(--text-light);
    margin: 0;
}

.demo-cta-section {
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.demo-cta-content h2 {
    margin-bottom: var(--spacing-md);
}

.demo-cta-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* About Page Styles */
.about-hero {
    padding: 120px 0 var(--spacing-xl);
    background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--background-white) 100%);
    text-align: center;
}

.about-hero-content h1 {
    margin-bottom: var(--spacing-md);
}

.about-hero-content p {
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin: 0 auto;
}

.mission-section {
    padding: var(--spacing-2xl) 0;
}

.mission-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.mission-text h2 {
    margin-bottom: var(--spacing-md);
}

.mission-text p {
    margin-bottom: var(--spacing-md);
}

.mission-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.values-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--secondary-bg);
}

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

.value-card {
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: all 0.2s ease;
}

.value-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-green);
}

.value-icon {
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
}

.value-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.value-card p {
    color: var(--text-light);
    margin: 0;
}

.team-section {
    padding: var(--spacing-2xl) 0;
}

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

.team-member {
    padding: var(--spacing-xl);
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
}

.team-member:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-green);
}

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

.placeholder-photo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--secondary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: var(--text-light);
}

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

.team-title {
    color: var(--primary-green);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
}

.team-bio {
    color: var(--text-light);
    margin: 0;
    font-size: var(--font-size-sm);
}

.story-section {
    padding: var(--spacing-2xl) 0;
    background-color: var(--secondary-bg);
}

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

.story-text h2 {
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.story-text p {
    margin-bottom: var(--spacing-md);
}

.about-cta-section {
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.about-cta-content h2 {
    margin-bottom: var(--spacing-md);
}

.about-cta-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        justify-content: flex-start;
        gap: var(--spacing-md);
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: var(--spacing-lg);
        border-top: 1px solid var(--border-light);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-cta {
        justify-content: center;
    }

    .tab-content-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .comparison-bar {
        grid-template-columns: 1fr;
    }

    .beta-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    /* Contact page responsive */
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    /* Demo page responsive */
    .slide-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    /* About page responsive */
    .mission-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .team-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
    }

    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }

    .tab-buttons {
        flex-direction: column;
        align-items: center;
    }

    .tab-btn {
        width: 100%;
        max-width: 300px;
    }

    .carousel-controls {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus styles for accessibility */
button:focus,
a:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}

/* 404 Error Page */
.error-404 {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--background-white) 0%, var(--secondary-bg) 100%);
}

.error-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.error-number {
    font-size: 8rem;
    font-weight: 700;
    color: var(--primary-green);
    line-height: 1;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.error-404 h1 {
    font-size: var(--font-size-3xl);
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.error-404 p {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.error-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.error-suggestions {
    border-top: 1px solid var(--border-light);
    padding-top: var(--spacing-xl);
}

.error-suggestions h3 {
    font-size: var(--font-size-lg);
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.suggestion-links {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.suggestion-links a {
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.suggestion-links a:hover {
    background-color: var(--primary-green);
    color: white;
    transform: translateY(-1px);
}

/* Mobile Responsive for 404 */
@media (max-width: 768px) {
    .error-number {
        font-size: 6rem;
    }
    
    .error-404 h1 {
        font-size: var(--font-size-2xl);
    }
    
    .error-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .suggestion-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* Accessibility Improvements */
.btn:focus,
.nav-link:focus,
.nav-cta:focus,
.tab-btn:focus,
.carousel-btn:focus,
.indicator:focus,
.social-link:focus {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}

/* Skip to main content link for screen readers */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-green);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: var(--radius-sm);
    z-index: 1001;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 6px;
}

/* Improved focus states for interactive elements */
.nav-toggle:focus {
    outline: 2px solid var(--primary-green);
    outline-offset: 2px;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    margin: 5px 0;
    transition: 0.3s;
}

/* Screen reader only text */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-green: #006400;
        --secondary-green: #008000;
        --text-dark: #000000;
        --text-light: #333333;
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .fade-in-up {
        animation: none;
    }
}

/* Blog Styles */
.blog-hero {
    padding: 120px 0 var(--spacing-xl);
    background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--background-white) 100%);
    text-align: center;
}

.blog-hero-content h1 {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.blog-hero-content p {
    font-size: var(--font-size-xl);
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* Blog Categories */
.blog-categories {
    padding: var(--spacing-lg) 0;
    background: var(--background-white);
    border-bottom: 1px solid var(--border-light);
}

.category-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.category-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: 2px solid var(--border-light);
    background: white;
    color: var(--text-light);
    border-radius: var(--radius-lg);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: var(--font-size-sm);
}

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

/* Blog Posts Grid */
.blog-posts {
    padding: var(--spacing-2xl) 0;
    background: var(--background-white);
}

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

.blog-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    opacity: 1;
    transform: translateY(0);
    cursor: pointer;
}

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

.blog-card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.blog-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
}

.blog-card:hover .blog-image {
    transform: scale(1.05);
}

.blog-category {
    position: absolute;
    bottom: var(--spacing-sm);
    left: var(--spacing-sm);
    background: var(--primary-green);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 3;
}

.blog-card-content {
    position: relative;
    z-index: 2;
    padding: var(--spacing-lg);
}

.blog-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

.blog-date {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.blog-title {
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.blog-title a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: var(--font-size-xl);
    font-weight: 600;
    transition: color 0.2s ease;
    display: block;
    width: 100%;
    height: 100%;
}

.blog-title a:hover {
    color: var(--primary-green);
}

.blog-excerpt {
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.blog-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-light);
}

.author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--secondary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-green);
}

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

.author-name {
    font-weight: 500;
    color: var(--text-dark);
    font-size: var(--font-size-sm);
}

.author-title {
    font-size: var(--font-size-xs);
    color: var(--text-light);
}

/* Load More Button */
.blog-load-more {
    text-align: center;
    margin-top: var(--spacing-xl);
}

/* Newsletter Section */
.blog-newsletter {
    padding: var(--spacing-2xl) 0;
    background: var(--secondary-bg);
}

.newsletter-content {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-content h2 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.newsletter-content p {
    margin-bottom: var(--spacing-lg);
    color: var(--text-light);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 400px;
    margin: 0 auto;
}

.newsletter-form .form-group {
    flex: 1;
}

.newsletter-form input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: border-color 0.2s ease;
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--primary-green);
}

/* Blog Responsive Design */
@media (max-width: 768px) {
    .blog-hero-content h1 {
        font-size: var(--font-size-4xl);
    }
    
    .blog-hero-content p {
        font-size: var(--font-size-lg);
    }
    
    .category-filters {
        gap: var(--spacing-xs);
    }
    
    .category-btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: var(--font-size-xs);
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .blog-card-content {
        padding: var(--spacing-md);
    }
    
    .blog-title a {
        font-size: var(--font-size-lg);
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .blog-hero {
        padding: 100px 0 var(--spacing-lg);
    }
    
    .blog-hero-content h1 {
        font-size: var(--font-size-3xl);
    }
    
    .blog-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .blog-author {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
}

.blog-card.fade-in-up {
    opacity: 1;
    transform: translateY(0);
}

/* Blog Header Component Styles */
.blog-post-header {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-green) 100%);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.blog-post-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: var(--spacing-lg) 0 var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.back-to-blog {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s ease;
}

.back-to-blog:hover {
    opacity: 0.8;
}

.post-category {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.blog-post-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    color: white;
}

.blog-post-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.post-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.author-details {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: white;
    font-size: var(--font-size-base);
}

.author-title {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
}

.post-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
}

/* Blog Post Content */
.blog-post-content {
    padding: var(--spacing-2xl) 0;
    background: var(--background-white);
}

.post-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
}

.post-featured-image {
    margin-bottom: var(--spacing-xl);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.post-featured-image .featured-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    object-position: center;
    display: block;
}

.post-intro {
    font-size: var(--font-size-lg);
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    font-weight: 500;
}

.post-content h2 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-dark);
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.post-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-dark);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

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

.post-content ul {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.post-content li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.post-content li::before {
    content: "•";
    color: var(--primary-green);
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

/* Related Posts */
.related-posts {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-light);
}

.related-posts h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
}

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

.related-post {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--secondary-bg);
    transition: all 0.2s ease;
}

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

.related-post-image {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
}

.related-post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: var(--radius-sm);
}

.related-post-content h4 {
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.related-post-content h4 a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: var(--font-size-base);
    font-weight: 600;
    transition: color 0.2s ease;
}

.related-post-content h4 a:hover {
    color: var(--primary-green);
}

.related-post-date {
    font-size: var(--font-size-sm);
    color: var(--text-light);
}

/* Blog Post Responsive Design */
@media (max-width: 768px) {
    .blog-post-header {
        padding: 100px 0 var(--spacing-lg);
    }
    
    .blog-post-title {
        font-size: var(--font-size-3xl);
    }
    
    .blog-post-info {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .post-meta {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .post-content {
        padding: 0 var(--spacing-sm);
    }
    
    .related-posts-grid {
        grid-template-columns: 1fr;
        margin-bottom: var(--spacing-lg);
    }
    
    .related-post {
        flex-direction: column;
        text-align: center;
    }
    
    .related-post-image {
        width: 100%;
        height: 150px;
    }
}

@media (max-width: 480px) {
    .blog-post-title {
        font-size: var(--font-size-2xl);
    }
    
    .post-intro {
        font-size: var(--font-size-base);
    }
    
    .blog-post-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

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

.modal-header h2 {
    margin: 0;
    color: var(--text-dark);
    font-size: var(--font-size-xl);
}

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

.success-icon {
    margin-bottom: var(--spacing-lg);
    color: var(--primary-green);
}

.modal-body p {
    margin-bottom: var(--spacing-md);
    color: var(--text-medium);
    line-height: 1.6;
}

.modal-body p:last-of-type {
    margin-bottom: 0;
    font-weight: 500;
    color: var(--text-dark);
}

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

/* reCAPTCHA Styles */
.g-recaptcha {
    margin: var(--spacing-sm) 0;
    display: flex;
    justify-content: center;
}

.g-recaptcha > div {
    transform: scale(0.9);
    transform-origin: 0 0;
}

@media (max-width: 480px) {
    .g-recaptcha > div {
        transform: scale(0.8);
    }
}

/* Modal Responsive */
@media (max-width: 768px) {
    .modal-content {
        margin: 10% auto;
        width: 95%;
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--spacing-lg);
    }
    
    .modal-header h2 {
        font-size: var(--font-size-lg);
    }
}

/* Form hidden state */
.beta-form.hidden {
    display: none;
}

/* Loading state for submit button */
.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn:disabled:hover {
    transform: none;
    box-shadow: none;
}