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

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-card: rgba(255, 255, 255, 0.05);
    
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-tertiary) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Particles Background */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 15, 35, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand .logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    transition: var(--transition);
}

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

.cta-button {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    color: white !important;
}

.cta-button::after {
    display: none;
}

.mobile-menu-toggle {
    display: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease-out;
}

.gradient-text {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
}

.typing-text {
    color: var(--accent-color);
    position: relative;
}

.typing-text::after {
    content: '|';
    animation: blink 1s infinite;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(99, 102, 241, 0.4);
}

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

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

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

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

/* Hero Visual */
.hero-visual {
    position: relative;
    animation: fadeInUp 1s ease-out 0.8s both;
}

.evolution-container {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dna-helix {
    position: absolute;
    width: 200px;
    height: 300px;
    opacity: 0.3;
}

/* DNA helix lines removed to clean up the visual */

.code-evolution {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 2rem;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

.code-line {
    margin-bottom: 0.5rem;
    opacity: 0.6;
    transition: var(--transition);
}

.code-line.active {
    opacity: 1;
    color: var(--accent-color);
    text-shadow: 0 0 10px rgba(6, 182, 212, 0.5);
}

/* Sections */
section {
    padding: 5rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* Features */
.features {
    background: rgba(255, 255, 255, 0.02);
}

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

.feature-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 30px 60px rgba(99, 102, 241, 0.2);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* How It Works - Interactive Stepper */
.how-it-works {
    background: rgba(0, 0, 0, 0.02);
}

.stepper-container {
    position: relative;
    margin: 3rem 0 4rem;
    padding: 2rem 0;
}

.stepper-line {
    position: absolute;
    top: 50%;
    left: 10%;
    right: 10%;
    height: 3px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    transform: translateY(-50%);
}

.stepper-progress {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
    width: 0%;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.stepper-steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 2;
    padding: 0 10%;
}

.stepper-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
    opacity: 0.6;
}

.stepper-step.active {
    opacity: 1;
}

.stepper-step.completed {
    opacity: 1;
}

.step-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 3px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: var(--transition);
    margin-bottom: 0.75rem;
}

.step-circle i {
    font-size: 1.2rem;
    color: var(--text-muted);
    transition: var(--transition);
    opacity: 1;
    transform: scale(1);
}

.step-circle .step-num {
    position: absolute;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    opacity: 0;
    transition: var(--transition);
}

.stepper-step.active .step-circle {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
}

.stepper-step.active .step-circle i {
    color: white;
    transform: scale(1.1);
}

.stepper-step.completed .step-circle {
    background: var(--success-color);
    border-color: var(--success-color);
}

.stepper-step.completed .step-circle i {
    opacity: 0;
    transform: scale(0.8);
}

.stepper-step.completed .step-circle .step-num {
    opacity: 1;
    color: white;
}

/* Highlight Local LLM step */
.step-circle.highlighted {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color)) !important;
    border-color: var(--primary-color) !important;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4) !important;
}

.step-circle.highlighted i {
    color: white !important;
    transform: scale(1.2) !important;
}

.step-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    text-align: center;
    transition: var(--transition);
    margin-bottom: 0.25rem;
}

.stepper-step.active .step-label {
    color: var(--text-primary);
}

.step-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--primary-color);
    color: white;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
    animation: pulseGlow 2s infinite;
}

.stepper-step:hover {
    opacity: 1;
    transform: translateY(-2px);
}

.stepper-step:hover .step-circle {
    transform: scale(1.05);
    box-shadow: 0 12px 30px rgba(255, 255, 255, 0.1);
}

/* Step Details */
.step-details {
    position: relative;
    min-height: 400px;
    margin-top: 2rem;
}

.step-detail {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.step-detail.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.detail-content {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

.detail-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    opacity: 0;
    transition: var(--transition);
}

.step-detail.active .detail-content::before {
    opacity: 1;
}

.detail-header {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.detail-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
}

.detail-icon.highlighted {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
    animation: pulseGlow 3s infinite;
}

.detail-icon i {
    font-size: 1.5rem;
    color: white;
}

.detail-title h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.detail-tech {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.3);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-tech.highlighted {
    background: rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.4);
    color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.2);
}

.detail-tech i {
    font-size: 0.9rem;
}

.detail-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

.detail-description p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.detail-description strong {
    color: var(--text-primary);
    font-weight: 600;
}

.detail-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.detail-features .feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.detail-features .feature-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateX(5px);
}

.detail-features .feature-item i {
    color: var(--accent-color);
    font-size: 1rem;
    width: 16px;
    flex-shrink: 0;
}

.detail-features .feature-item.highlighted {
    background: rgba(99, 102, 241, 0.08);
    border-color: rgba(99, 102, 241, 0.2);
}

.detail-features .feature-item.highlighted i {
    color: var(--primary-color);
}

/* LLM Models Preview */
.llm-models-preview {
    margin-top: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 15px;
}

.models-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
}

.models-header i {
    color: var(--accent-color);
}

.model-tags {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.model-tag {
    padding: 0.4rem 0.8rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.model-tag:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.3);
    color: var(--text-primary);
}

/* Demo Section */
.demo {
    background: rgba(0, 0, 0, 0.2);
}

.demo-container {
    max-width: 1400px;
    margin: 0 auto;
}

.demo-visual {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.generation-display {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.generation-display .label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.generation-display .number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-color);
}

.evolution-chart {
    margin-bottom: 2rem;
    text-align: center;
}

#evolutionChart {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

.code-editors {
    display: grid;
    grid-template-columns: minmax(400px, 1fr) auto minmax(400px, 1fr);
    gap: 2rem;
    align-items: flex-start;
    margin-bottom: 2rem;
    width: 100%;
    overflow-x: auto;
}

.code-editor-container {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.code-editor-container:hover {
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

.editor-header {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.75rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.editor-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
}

.editor-title i {
    color: var(--accent-color);
}

.editor-version {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.code-editor {
    display: flex;
    font-family: 'Fira Code', 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    min-height: 260px;
    width: 100%;
    min-width: 400px;
}

.line-numbers {
    background: rgba(0, 0, 0, 0.2);
    padding: 1rem 0.75rem;
    display: flex;
    flex-direction: column;
    color: var(--text-muted);
    font-size: 0.75rem;
    user-select: none;
    border-right: 1px solid var(--border-color);
}

.line-numbers span {
    height: 1.6em;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 0.5rem;
}

.code-content {
    flex: 1;
    padding: 1.25rem;
    min-width: 0;
    overflow-x: auto;
}

.code-line {
    min-height: 1.6em;
    display: block;
    white-space: pre;
    overflow-x: visible;
    word-wrap: break-word;
    min-width: max-content;
}

.code-line:empty {
    min-height: 1.6em;
}

/* Syntax highlighting */
.keyword {
    color: #c678dd;
    font-weight: 600;
}

.function {
    color: #61afef;
    font-weight: 500;
}

.param {
    color: #e06c75;
    font-style: italic;
}

.variable {
    color: #e5c07b;
}

.operator {
    color: #56b6c2;
    font-weight: 500;
}

.number {
    color: #d19a66;
    font-weight: 500;
}

.string {
    color: #98c379;
    font-style: italic;
}

.evolution-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    align-self: center;
    padding: 1rem 0.5rem;
}

.arrow-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
    text-align: center;
}

.arrow-content i {
    font-size: 2rem;
    animation: pulse 2s infinite;
}

.evolution-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.improvement-indicator {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
}

.improvement-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--success-color);
    font-size: 0.875rem;
    font-weight: 500;
}

.improvement-content i {
    font-size: 1.25rem;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.7;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
    }
}

@keyframes glow {
    from {
        text-shadow: 0 0 5px currentColor;
    }
    to {
        text-shadow: 0 0 10px currentColor, 0 0 15px currentColor;
    }
}

.demo-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.btn-demo {
    padding: 0.75rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

/* Research Section */
.research-section {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.03) 0%, rgba(139, 92, 246, 0.03) 50%, rgba(6, 182, 212, 0.03) 100%);
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.research-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0.3;
}

.research-content {
    margin-top: 3rem;
}

.research-foundations {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.foundation-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.foundation-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: var(--transition);
}

.foundation-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
}

.foundation-card:hover::before {
    opacity: 1;
}

.research-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: white;
}

.foundation-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.foundation-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.research-papers {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.paper-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.paper-item i {
    color: var(--accent-color);
    font-size: 0.875rem;
}

.paper-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.intent-system {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

.intent-system h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.intent-system p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.intent-flow {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 1rem;
    align-items: center;
}

.intent-step {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.intent-step:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

.step-icon {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.step-content h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.step-content p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.4;
    margin: 0;
}

.flow-arrow {
    font-size: 1.5rem;
    color: var(--accent-color);
    animation: pulse 2s infinite;
}

.validation-system {
    margin-bottom: 4rem;
}

.validation-header {
    text-align: center;
    margin-bottom: 3rem;
}

.validation-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.validation-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.validation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.validation-feature {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.validation-feature::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--success-color), transparent);
    opacity: 0;
    transition: var(--transition);
}

.validation-feature:hover {
    transform: translateY(-5px);
    border-color: var(--success-color);
    box-shadow: 0 15px 30px rgba(16, 185, 129, 0.2);
}

.validation-feature:hover::after {
    opacity: 1;
}

.validation-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, var(--success-color), var(--accent-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.2rem;
    color: white;
}

.validation-feature h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.validation-feature p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.9rem;
}

.research-showcase {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    margin-bottom: 4rem;
}

.showcase-header {
    text-align: center;
    margin-bottom: 3rem;
}

.showcase-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.showcase-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.research-examples {
    margin-bottom: 2rem;
}

.research-example {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 2rem;
    display: none;
    opacity: 0;
    transition: var(--transition);
}

.research-example.active {
    display: block;
    opacity: 1;
    animation: fadeInUp 0.5s ease-out;
}

.example-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.concept-badge {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.example-header h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.example-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.research-insight {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: rgba(99, 102, 241, 0.05);
    border-left: 3px solid var(--primary-color);
    border-radius: 8px;
}

.research-insight i {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.research-insight p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.implementation {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    background: rgba(16, 185, 129, 0.05);
    border-left: 3px solid var(--success-color);
    border-radius: 8px;
}

.implementation i {
    color: var(--success-color);
    font-size: 1.1rem;
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.implementation p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.implementation strong {
    color: var(--text-primary);
    font-weight: 600;
}

.research-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.research-btn {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 25px;
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.research-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: var(--transition);
}

.research-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.research-btn:hover::before {
    left: 100%;
}

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

.research-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-highlight {
    text-align: center;
    padding: 2rem;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
    transform: translateX(-100%);
    transition: var(--transition);
}

.stat-highlight:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(6, 182, 212, 0.2);
}

.stat-highlight:hover::before {
    transform: translateX(0);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(45deg, var(--accent-color), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

/* Dashboard Section */
.dashboard-section {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%);
    padding: 6rem 0;
}

.dashboard-showcase {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 3rem;
}

.dashboard-preview {
    position: relative;
}

.browser-frame {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.browser-header {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid #cbd5e1;
}

.browser-dots {
    display: flex;
    gap: 0.5rem;
}

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

.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }

.browser-url {
    background: #ffffff;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    color: #64748b;
    border: 1px solid #cbd5e1;
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.browser-url i {
    color: #10b981;
}

.dashboard-content {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    padding: 2rem;
    color: white;
    min-height: 600px;
}

.dashboard-header {
    text-align: center;
    margin-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 1.5rem;
}

.dashboard-header h1 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

.status-live {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: #10b981;
    font-size: 0.875rem;
    font-weight: 500;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse 1.5s ease-in-out infinite;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.metric-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
    transition: var(--transition);
}

.metric-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-color);
}

.metric-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.metric-label {
    font-size: 0.75rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.metric-trend {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    display: inline-block;
}

.metric-trend.up {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
}

.metric-trend.stable {
    background: rgba(6, 182, 212, 0.2);
    color: #06b6d4;
}

.metric-trend.down {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.dashboard-charts {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
}

.chart-container {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 1rem;
}

.chart-container h3 {
    font-size: 0.875rem;
    color: #94a3b8;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.generation-log {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 1rem;
}

.generation-log h3 {
    font-size: 0.875rem;
    color: #94a3b8;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.log-entries {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.log-entry {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 0.75rem;
    align-items: center;
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 4px;
    font-size: 0.75rem;
}

.gen-number {
    color: #94a3b8;
    font-weight: 600;
}

.gen-score {
    color: var(--accent-color);
    font-weight: 700;
    text-align: right;
}

.gen-status {
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.7rem;
}

.gen-status.success {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
}

.gen-status.improved {
    background: rgba(6, 182, 212, 0.2);
    color: #06b6d4;
}

.dashboard-features {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature-highlight {
    text-align: center;
}

.feature-highlight .feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: white;
}

.feature-highlight h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.feature-highlight p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Requirements */
.requirements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.requirement-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

.requirement-card.highlight {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.1);
}

.requirement-card i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.requirement-card.highlight i {
    color: var(--success-color);
}

.requirement-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.requirement-card p {
    color: var(--text-secondary);
}

.requirement-card.llm-card {
    border-color: var(--accent-color);
    background: rgba(6, 182, 212, 0.1);
    position: relative;
}

.tested-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--success-color);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

/* GPU Options Section */
.gpu-options {
    margin-top: 4rem;
}

.section-subheader {
    text-align: center;
    margin-bottom: 3rem;
}

.section-subheader h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.section-subheader p {
    font-size: 1rem;
    color: var(--text-secondary);
}

.gpu-choice-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.gpu-option {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2rem;
    transition: var(--transition);
    position: relative;
}

.gpu-option:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.gpu-option.local {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.05);
}

.gpu-option.cloud {
    border-color: var(--accent-color);
    background: rgba(6, 182, 212, 0.05);
}

.option-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.option-header i {
    font-size: 2rem;
    color: var(--primary-color);
}

.gpu-option.local .option-header i {
    color: var(--success-color);
}

.gpu-option.cloud .option-header i {
    color: var(--accent-color);
}

.option-header h4 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.option-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.option-badge.recommended {
    background: var(--success-color);
    color: white;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.option-badge.affordable {
    background: var(--accent-color);
    color: white;
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
}

.gpu-specs {
    margin-bottom: 1.5rem;
}

.spec-item,
.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.spec-item i,
.feature-item i {
    color: var(--success-color);
    font-size: 1rem;
    width: 16px;
}

.cloud .feature-item i {
    color: var(--accent-color);
}

.llm-models {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 1rem;
    margin-top: 1rem;
}

.llm-models h5 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.model-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.model-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    font-size: 0.8rem;
}

.model-name {
    font-family: 'Courier New', monospace;
    color: var(--text-secondary);
}

.model-status.verified {
    color: var(--success-color);
    font-weight: 600;
    font-size: 0.75rem;
}

.cloud-provider {
    margin-bottom: 1.5rem;
}

.provider-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.provider-logo i {
    color: var(--accent-color);
    font-size: 1.25rem;
}

.cost-example {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 1rem;
    margin-top: 1rem;
}

.cost-example h5 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cost-breakdown {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.cost-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.cost {
    font-weight: 700;
    color: var(--accent-color);
    font-size: 1rem;
}

/* Access/Pricing */
.access {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
}

.pricing-container {
    max-width: 500px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 2px solid var(--primary-color);
    border-radius: 25px;
    padding: 3rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color), var(--secondary-color));
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.price {
    margin-bottom: 2rem;
}

.price .currency {
    font-size: 1.5rem;
    color: var(--text-secondary);
    vertical-align: top;
}

.price .amount {
    font-size: 4rem;
    font-weight: 800;
    color: var(--accent-color);
}

.price .period {
    font-size: 1rem;
    color: var(--text-muted);
    margin-left: 0.5rem;
}

.pricing-features {
    margin-bottom: 2rem;
}

.pricing-features .feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    text-align: left;
}

.pricing-features .feature i {
    color: var(--success-color);
    font-size: 1.25rem;
}

.btn-purchase {
    width: 100%;
    padding: 1.25rem 2rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 50px;
    color: white;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.btn-purchase:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.3);
}

.guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--success-color);
    font-size: 0.875rem;
}


/* Footer */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-section a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

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

.footer-brand p {
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    text-align: center;
    color: var(--text-muted);
}

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

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

@keyframes dnaRotate {
    0% {
        transform: rotateY(0deg);
    }
    100% {
        transform: rotateY(360deg);
    }
}


/* Research Section Responsive */
@media (max-width: 1024px) {
    .research-foundations {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .intent-flow {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
        font-size: 1.2rem;
    }
    
    .validation-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .research-stats {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
}

@media (max-width: 1024px) {
    .stepper-steps {
        padding: 0 5%;
    }
    
    .stepper-line {
        left: 5%;
        right: 5%;
    }
    
    .step-circle {
        width: 50px;
        height: 50px;
    }
    
    .step-circle i {
        font-size: 1rem;
    }
    
    .step-label {
        font-size: 0.8rem;
    }
}

@media (max-width: 768px) {
    .stepper-container {
        margin: 2rem 0 3rem;
        padding: 1.5rem 0;
    }
    
    .stepper-steps {
        flex-direction: column;
        gap: 2rem;
        padding: 0;
    }
    
    .stepper-line {
        left: 50%;
        right: auto;
        width: 3px;
        height: 80%;
        top: 10%;
        transform: translateX(-50%);
    }
    
    .stepper-progress {
        width: 100%;
        height: 0%;
        transition: height 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .stepper-step {
        flex-direction: row;
        align-items: center;
        gap: 1rem;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .step-circle {
        margin-bottom: 0;
    }
    
    .step-label {
        margin-bottom: 0;
        text-align: left;
        flex: 1;
    }
    
    .step-badge {
        position: relative;
        top: auto;
        right: auto;
        margin-left: auto;
    }
    
    .detail-content {
        padding: 2rem;
    }
    
    .detail-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .detail-features {
        grid-template-columns: 1fr;
    }
    
    .model-tags {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .detail-content {
        padding: 1.5rem;
    }
    
    .detail-title h3 {
        font-size: 1.5rem;
    }
    
    .stepper-step {
        max-width: 250px;
    }
    
    .step-circle {
        width: 45px;
        height: 45px;
    }
    
    .step-circle i {
        font-size: 0.9rem;
    }
    
    .step-label {
        font-size: 0.75rem;
    }
}
    
    .research-section {
        padding: 4rem 0;
    }
    
    .foundation-card,
    .intent-system {
        padding: 2rem;
    }
    
    .research-showcase {
        padding: 2rem;
    }
    
    .validation-grid {
        grid-template-columns: 1fr;
    }
    
    .validation-feature {
        padding: 1.5rem;
    }
    
    .research-controls {
        flex-direction: column;
        align-items: center;
    }
    
    .research-btn {
        min-width: 200px;
        text-align: center;
    }
    
    .research-stats {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    
    .stat-highlight {
        padding: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .intent-flow {
        gap: 1rem;
    }
    
    .intent-step {
        padding: 1rem;
    }
    
    .step-content h4 {
        font-size: 0.8rem;
    }
    
    .step-content p {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .research-stats {
        grid-template-columns: 1fr;
    }
    
    .example-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .research-insight,
    .implementation {
        padding: 0.75rem;
    }
    
    .research-insight p,
    .implementation p {
        font-size: 0.85rem;
    }
}

/* Contact Page Styles */
.contact-hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.contact-hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.contact-hero .hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease-out;
}

.contact-hero .hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.contact-section {
    padding: 5rem 0;
    background: rgba(0, 0, 0, 0.02);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: flex-start;
}

.contact-info {
    padding-right: 2rem;
}

.contact-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 3rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    transition: var(--transition);
}

.contact-method:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 30px rgba(99, 102, 241, 0.15);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    flex-shrink: 0;
}

.contact-details h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.contact-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
}

.contact-link:hover {
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(6, 182, 212, 0.3);
}

.contact-details p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* Team Profile */
.team-profile {
    position: sticky;
    top: 100px;
}

.profile-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

.profile-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.profile-image {
    text-align: center;
    margin-bottom: 2rem;
}

.profile-icon {
    text-align: center;
    margin-bottom: 2rem;
}

.team-icon {
    width: 120px;
    height: 120px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    margin: 0 auto;
    border: 4px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

.team-icon:hover {
    transform: scale(1.05);
    border-color: var(--primary-color);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.3);
}

.profile-placeholder {
    width: 120px;
    height: 120px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    margin: 0 auto;
}

.profile-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
    display: block;
    margin: 0 auto;
}

.profile-photo:hover {
    transform: scale(1.05);
    border-color: var(--primary-color);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.3);
}

.profile-header {
    text-align: center;
    margin-bottom: 2rem;
}

.profile-header h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.profile-title {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.profile-description {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.95rem;
}

.profile-description p {
    margin-bottom: 1.5rem;
}

.profile-highlights {
    margin: 2rem 0;
    padding: 1.5rem;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 12px;
    border-left: 3px solid var(--primary-color);
}

.profile-highlights h4 {
    color: var(--primary-color);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.expertise-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.expertise-tag {
    padding: 0.4rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
}

.expertise-tag:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.3);
    color: var(--text-primary);
}

/* Contact Page Feature Highlights */
.features-highlight {
    margin: 2rem 0;
    padding: 2rem;
    background: rgba(99, 102, 241, 0.03);
    border-radius: 15px;
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.features-highlight h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
}

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

.feature-list li {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list li strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Profile Enhancements */
.section-title {
    color: var(--primary-color);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 1px;
}

.vision-statement {
    margin-top: 2rem;
    padding: 2rem;
    background: rgba(6, 182, 212, 0.05);
    border-radius: 12px;
    border-left: 3px solid var(--accent-color);
}

.vision-statement h4 {
    color: var(--accent-color);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.mission-highlight {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(6, 182, 212, 0.1));
    border-radius: 10px;
    text-align: center;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.mission-highlight p {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.05rem;
    line-height: 1.7;
}

.mission-highlight strong {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* Contact Form */
.contact-form-section {
    padding: 5rem 0;
    background: rgba(0, 0, 0, 0.02);
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

.form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.form-header {
    text-align: center;
    margin-bottom: 3rem;
}

.form-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

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

.form-group label {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
    resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    background: rgba(255, 255, 255, 0.08);
}

.form-group textarea {
    min-height: 120px;
    font-family: inherit;
}

.checkbox-group {
    flex-direction: row;
    align-items: center;
    margin: 1rem 0;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.05);
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.checkbox-label input[type="checkbox"]:checked {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.btn-submit {
    padding: 1.25rem 2rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 50px;
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1rem;
    align-self: flex-start;
    min-width: 200px;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.3);
}

.btn-submit:active {
    transform: translateY(-1px);
}

/* Contact Page Responsive */
@media (max-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-info {
        padding-right: 0;
    }
    
    .team-profile {
        position: static;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .contact-hero {
        min-height: 50vh;
        padding-top: 80px;
    }
    
    .contact-section,
    .contact-form-section {
        padding: 3rem 0;
    }
    
    .contact-method {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }
    
    .contact-header h2 {
        font-size: 2rem;
    }
    
    .form-container {
        padding: 2rem;
        margin: 0 1rem;
    }
    
    .profile-card {
        padding: 2rem;
    }
    
    .profile-placeholder {
        width: 100px;
        height: 100px;
        font-size: 2.5rem;
    }
    
    .profile-photo {
        width: 100px;
        height: 100px;
    }
    
    .profile-header h3 {
        font-size: 1.5rem;
    }
    
    .expertise-tags {
        justify-content: center;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .step::after {
        display: none;
    }
    
    .requirements-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .demo-controls {
        flex-direction: column;
    }
    
    .mutation-line {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
    }
    
    .payment-form {
        padding: 1.5rem 2rem 2rem;
    }
    
    .modal-header {
        padding: 2rem 2rem 1.5rem;
    }
    
    .payment-options {
        flex-direction: column;
    }
    
    .code-editors {
        grid-template-columns: 1fr;
        gap: 1rem;
        overflow-x: auto;
    }
    
    .evolution-arrow {
        order: 1;
        padding: 0.5rem;
    }
    
    .evolution-arrow .arrow-content {
        flex-direction: row;
        gap: 1rem;
    }
    
    .evolution-arrow .arrow-content i {
        transform: rotate(90deg);
        font-size: 1.5rem;
    }
    
    .code-editor {
        font-size: 0.8rem;
        min-width: 350px;
        min-height: 240px;
    }
    
    .code-content {
        padding: 1rem;
        overflow-x: auto;
    }
    
    .line-numbers {
        padding: 0.75rem 0.5rem;
    }
    
    .dashboard-showcase {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .dashboard-content {
        padding: 1rem;
        min-height: 500px;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .dashboard-charts {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .browser-header {
        padding: 0.75rem 1rem;
    }
    
    .browser-url {
        font-size: 0.75rem;
    }
    
    .dashboard-features {
        gap: 1.5rem;
    }
    
    .gpu-choice-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .gpu-option {
        padding: 1.5rem;
    }
    
    .option-header {
        margin-bottom: 1rem;
    }
    
    .option-header h4 {
        font-size: 1.25rem;
    }
    
    .llm-models,
    .cost-example {
        padding: 0.75rem;
    }
    
    .model-item {
        padding: 0.5rem;
        font-size: 0.75rem;
    }
    
    .spec-item,
    .feature-item {
        font-size: 0.85rem;
    }
}