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

:root {
    /* Primary Colors - Laboratory Theme */
    --primary: #0066cc;
    --primary-dark: #004499;
    --primary-light: #3388dd;
    --secondary: #00bcd4;
    --accent: #ff9800;
    
    /* Neutral Colors */
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --gray: #6c757d;
    --dark-gray: #343a40;
    --black: #212529;
    
    /* Status Colors */
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --info: #17a2b8;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0066cc 0%, #00bcd4 100%);
    --gradient-hero: linear-gradient(135deg, #0066cc 0%, #004499 50%, #00bcd4 100%);
    --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
    
    /* Typography */
    --font-primary: 'Inter', system-ui, -apple-system, 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: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Borders */
    --border-radius-sm: 6px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--black);
    background-color: var(--white);
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-base);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary);
}

.nav-logo i {
    font-size: var(--font-size-xl);
    color: var(--secondary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
}

.nav-link {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

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

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

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

.btn-contact {
    background: var(--gradient-primary);
    color: var(--white) !important;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
}

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

.btn-contact::after {
    display: none;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background: var(--dark-gray);
    margin: 3px 0;
    transition: var(--transition-base);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    color: var(--white);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
    z-index: 2;
    position: relative;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-xl);
}

.highlight {
    background: linear-gradient(45deg, #00bcd4, #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    opacity: 0.9;
    margin-bottom: var(--space-2xl);
    line-height: 1.6;
}

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

.stat {
    text-align: center;
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--secondary);
    display: block;
}

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

.hero-actions {
    display: flex;
    gap: var(--space-lg);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    text-decoration: none;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
    text-align: center;
    white-space: nowrap;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary);
    transform: translateY(-3px);
}

.btn-large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: var(--font-size-lg);
}

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

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

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

.lab-animation {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-xl);
    padding: var(--space-2xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.workflow-diagram {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.workflow-node {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    position: relative;
    transition: all var(--transition-base);
    cursor: pointer;
}

.workflow-node.active {
    background: var(--success);
    animation: pulse 2s infinite;
}

.workflow-node.processing {
    background: var(--warning);
    animation: spin 2s linear infinite;
}

.workflow-node.pending {
    background: rgba(255, 255, 255, 0.3);
    border: 2px solid var(--white);
}

.workflow-arrow {
    font-size: var(--font-size-2xl);
    color: var(--white);
    opacity: 0.7;
}

.status-indicators {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.status-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.status-dot.active {
    background: var(--success);
    animation: blink 1s infinite;
}

.status-dot.success {
    background: var(--success);
}

.status-dot.warning {
    background: var(--warning);
}

/* Hero Particles */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.hero-particles::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="25" cy="75" r="1" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
    animation: float 20s linear infinite;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: var(--space-4xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: var(--dark-gray);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--gray);
    line-height: 1.7;
}

/* Features Section */
.features {
    padding: var(--space-4xl) 0;
    background: var(--light-gray);
}

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

.feature-card {
    background: var(--white);
    padding: var(--space-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid rgba(0, 102, 204, 0.1);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.feature-icon i {
    font-size: var(--font-size-2xl);
    color: var(--white);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--dark-gray);
}

.feature-card p {
    color: var(--gray);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

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

.feature-card li {
    padding: var(--space-xs) 0;
    color: var(--gray);
    position: relative;
    padding-left: var(--space-lg);
}

.feature-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: var(--space-xs);
    color: var(--success);
    font-weight: 600;
}

/* Architecture Section */
.architecture {
    padding: var(--space-4xl) 0;
    background: var(--white);
}

.architecture-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.architecture-diagram {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.arch-layer {
    background: var(--gradient-card);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 102, 204, 0.1);
    transition: all var(--transition-base);
}

.arch-layer:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.layer-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--space-lg);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.arch-components {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.arch-component {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--white);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--dark-gray);
    transition: all var(--transition-fast);
}

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

.arch-component.highlight {
    background: var(--gradient-primary);
    color: var(--white);
}

.arch-component i {
    font-size: var(--font-size-md);
    color: var(--primary);
}

.arch-component.highlight i {
    color: var(--white);
}

.tech-stack {
    background: var(--light-gray);
    padding: var(--space-2xl);
    border-radius: var(--border-radius-lg);
    position: sticky;
    top: 100px;
}

.tech-stack h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--space-xl);
    color: var(--dark-gray);
    text-align: center;
}

.tech-categories {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.tech-category h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary);
    margin-bottom: var(--space-md);
}

.tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.tech-item {
    background: var(--white);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--dark-gray);
    border: 1px solid rgba(0, 102, 204, 0.2);
    transition: all var(--transition-fast);
}

.tech-item:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

/* Solutions Section */
.solutions {
    padding: var(--space-4xl) 0;
    background: var(--light-gray);
}

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

.solution-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.solution-header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--space-2xl);
    text-align: center;
}

.solution-header i {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-lg);
}

.solution-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.solution-content {
    padding: var(--space-2xl);
}

.solution-content p {
    color: var(--gray);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.solution-content ul {
    list-style: none;
}

.solution-content li {
    padding: var(--space-sm) 0;
    color: var(--gray);
    position: relative;
    padding-left: var(--space-lg);
}

.solution-content li::before {
    content: '→';
    position: absolute;
    left: 0;
    top: var(--space-sm);
    color: var(--primary);
    font-weight: 600;
}

/* CTA Section */
.cta {
    padding: var(--space-4xl) 0;
    background: var(--gradient-hero);
    text-align: center;
    color: var(--white);
}

.cta-content h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.cta-content p {
    font-size: var(--font-size-xl);
    opacity: 0.9;
    margin-bottom: var(--space-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: var(--space-4xl) 0 var(--space-xl) 0;
}

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

.footer-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--white);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--space-lg);
    color: var(--white);
}

.footer-logo i {
    font-size: var(--font-size-xl);
    color: var(--secondary);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

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

.social-links 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(--white);
    text-decoration: none;
    transition: all var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.footer-copyright p {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

.footer-legal {
    display: flex;
    gap: var(--space-lg);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--secondary);
}

/* Animations */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

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

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

@keyframes float {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

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

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

/* Tooltips */
[data-tooltip] {
    position: relative;
    cursor: pointer;
}

[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 120%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: var(--white);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    white-space: nowrap;
    z-index: 1000;
    opacity: 0;
    animation: fadeIn 0.3s ease forwards;
}

[data-tooltip]:hover::before {
    content: '';
    position: absolute;
    bottom: 110%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: rgba(0, 0, 0, 0.9);
    z-index: 1000;
}

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

/* Responsive Design */
@media (max-width: 1200px) {
    .architecture-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
    
    .tech-stack {
        position: static;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition-base);
        box-shadow: var(--shadow-lg);
        padding: var(--space-xl);
        gap: var(--space-lg);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .workflow-diagram {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .arch-components {
        justify-content: center;
    }
    
    .section-header h2 {
        font-size: var(--font-size-3xl);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }
    
    .nav-container {
        padding: 0 var(--space-md);
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .feature-card {
        padding: var(--space-lg);
    }
    
    .section-header h2 {
        font-size: var(--font-size-2xl);
    }
    
    .workflow-node {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-lg);
    }
    
    .btn {
        padding: var(--space-sm) var(--space-lg);
        font-size: var(--font-size-sm);
    }
    
    .btn-large {
        padding: var(--space-md) var(--space-xl);
        font-size: var(--font-size-base);
    }
}

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

/* Print Styles */
@media print {
    .navbar,
    .hamburger,
    .hero-particles,
    .cta,
    .footer {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
        color: #000;
        background: #fff;
    }
    
    .hero {
        background: none;
        color: #000;
        min-height: auto;
        padding: 2rem 0;
    }
    
    .section-header h2 {
        color: #000;
        page-break-after: avoid;
    }
    
    .feature-card,
    .solution-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
}