/* CSS Custom Properties */
:root {
    /* Colors matching the existing webapp */
    --primary-blue: #1a73e8;
    --primary-blue-hover: #1557b0;
    --primary-blue-light: #1967d2;
    --success-green: #34a853;
    --success-green-dark: #137333;
    --error-red: #ea4335;
    --error-red-dark: #c5221f;
    --warning-yellow: #f29900;
    
    /* Neutral colors */
    --text-primary: #202124;
    --text-secondary: #5f6368;
    --background: #ffffff;
    --background-light: #f8f9fa;
    --border-light: #dadce0;
    --border-lighter: #e8eaed;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Shadows matching the webapp */
    --shadow-sm: 0 1px 2px 0 rgba(60,64,67,0.3), 0 1px 3px 1px rgba(60,64,67,0.15);
    --shadow-md: 0 1px 2px 0 rgba(60,64,67,0.3), 0 2px 6px 2px rgba(60,64,67,0.15);
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-family: 'Google Sans', Arial, sans-serif;
    scroll-behavior: smooth;
    line-height: 1.5;
}

body {
    background: var(--background);
    color: var(--text-primary);
    font-size: 16px;
    overflow-x: hidden;
}

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

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* Navigation */
.navbar {
    background: var(--background);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

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

.nav-brand h1 {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 400;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    transition: color 0.2s ease;
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    margin: 2px 0;
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

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

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

.btn-secondary {
    background-color: white;
    color: var(--primary-blue);
    border: 1px solid var(--border-light);
}

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

.btn-large {
    padding: 0.75rem 1.5rem;
    font-size: 16px;
}

.btn-icon {
    width: 18px;
    height: 18px;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--background) 0%, var(--background-light) 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
    min-height: 500px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.highlight {
    color: var(--primary-blue);
    position: relative;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

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

/* Floating Cards Animation */
.floating-cards {
    position: relative;
    height: 400px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    justify-content: center;
}

.status-card {
    background: var(--background);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transform: translateX(20px);
    animation: floatIn 0.8s ease forwards;
    max-width: 280px;
    position: relative;
}

.status-card:nth-child(1) {
    animation-delay: 0.2s;
    align-self: flex-start;
}

.status-card:nth-child(2) {
    animation-delay: 0.4s;
    align-self: center;
}

.status-card:nth-child(3) {
    animation-delay: 0.6s;
    align-self: flex-end;
}

.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--text-secondary);
    opacity: 0.5;
}

.status-indicator.active {
    background-color: var(--primary-blue);
    opacity: 1;
}

.status-indicator.success {
    background-color: var(--success-green);
    opacity: 1;
}

.card-content h3 {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.card-content p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

@keyframes floatIn {
    from {
        opacity: 0;
        transform: translateX(20px) translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateX(0) translateY(0);
    }
}

@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .floating-cards {
        height: auto;
        align-items: center;
    }
    
    .status-card {
        align-self: center !important;
        transform: none;
        animation: none;
        opacity: 1;
    }
}

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

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

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

.feature-card {
    background: var(--background);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-lighter);
    transition: all 0.3s ease;
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    stroke: white;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

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

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* About Section */
.about {
    padding: 80px 0;
    background: var(--background-light);
}

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

.about-text h2 {
    font-size: 2.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.lead {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

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

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* Dashboard Preview */
.dashboard-preview {
    position: relative;
}

.browser-frame {
    background: var(--background);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border: 1px solid var(--border-lighter);
}

.browser-bar {
    background: var(--background-light);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    border-bottom: 1px solid var(--border-lighter);
}

.browser-buttons {
    display: flex;
    gap: var(--spacing-xs);
}

.browser-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.btn-close { background: var(--error-red); }
.btn-minimize { background: var(--warning-yellow); }
.btn-maximize { background: var(--success-green); }

.browser-url {
    background: var(--background);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
}

.dashboard-content {
    padding: var(--spacing-xl);
}

.dashboard-header h4 {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
}

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

.dashboard-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--background-light);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

.indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-secondary);
    opacity: 0.5;
}

.indicator.active {
    background: var(--success-green);
    opacity: 1;
}

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .stats {
        justify-content: center;
    }
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: var(--background);
}

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

.contact-info h2 {
    font-size: 2.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
}

.contact-features {
    margin-top: var(--spacing-xl);
}

.contact-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.contact-feature svg {
    width: 20px;
    height: 20px;
    stroke: var(--success-green);
}

.cta-card {
    background: var(--background);
    border: 1px solid var(--border-lighter);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    text-align: center;
}

.cta-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.cta-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.cta-note {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-md);
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* Footer */
.footer {
    background: var(--background-light);
    padding: 60px 0 var(--spacing-xl);
    border-top: 1px solid var(--border-lighter);
}

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

.footer-brand h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

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

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

.footer-section h4 {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
}

.footer-section a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

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

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

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
}

/* Smooth animations */
@media (prefers-reduced-motion: no-preference) {
    .feature-card,
    .status-card,
    .cta-card {
        transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* Focus styles */
.btn:focus,
.nav-link:focus,
.footer-section a:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --shadow-sm: 0 2px 4px rgba(0,0,0,0.8);
        --shadow-md: 0 4px 8px rgba(0,0,0,0.8);
    }
}