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

:root {
    --primary-color: #00d9ff;
    --primary-dark: #00b8d4;
    --primary-glow: rgba(0, 217, 255, 0.3);
    --text-primary: #e4e4e7;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --bg-primary: #0a0a0f;
    --bg-secondary: #111118;
    --bg-tertiary: #1a1a24;
    --bg-card: #161620;
    --border-color: #27272a;
    --border-hover: #3f3f46;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(0, 217, 255, 0.2);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    line-height: 1.6;
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo a {
    color: var(--primary-color);
    text-decoration: none;
    text-shadow: 0 0 10px var(--primary-glow);
    transition: var(--transition);
}

.logo a:hover {
    opacity: 0.8;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.95rem;
}

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

.btn-secondary {
    padding: 0.5rem 1.25rem;
    background: var(--primary-color);
    color: white;
    border-radius: 6px;
    transition: var(--transition);
}

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

.btn-login {
    padding: 0.5rem 1.25rem;
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.95rem;
}

.btn-login:hover {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 0 15px var(--primary-glow);
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    margin-top: 80px;
    padding: 6rem 0;
    background: linear-gradient(135deg, #0a0a0f 0%, #1a1a24 50%, #0a0a0f 100%);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(0, 217, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 217, 255, 0.05) 0%, transparent 50%);
    color: var(--text-primary);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
    color: var(--text-primary);
    text-shadow: 0 0 30px var(--primary-glow);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: var(--text-secondary);
    font-weight: 400;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    padding: 0.875rem 2rem;
    background: var(--primary-color);
    color: var(--bg-primary);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 0 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--primary-glow), var(--shadow-lg);
    background: var(--primary-dark);
}

.btn-outline {
    padding: 0.875rem 2rem;
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    transition: var(--transition);
    font-size: 1rem;
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--bg-primary);
    box-shadow: var(--shadow-glow);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.section-description {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 3rem;
}

/* Problem Section */
.problem-section {
    background: var(--bg-secondary);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.problem-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.problem-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Problem Icons */
.icon-testing::before {
    content: '';
    width: 24px;
    height: 24px;
    border: 2px solid var(--primary-color);
    border-radius: 4px;
    position: relative;
    display: block;
}

.icon-testing::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.icon-guardrails::before {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-color);
    border-top: none;
    border-radius: 0 0 4px 4px;
    position: relative;
    display: block;
}

.icon-guardrails::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 2px;
    background: var(--primary-color);
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
}

.icon-integration::before {
    content: '';
    width: 20px;
    height: 2px;
    background: var(--primary-color);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
}

.icon-integration::after {
    content: '';
    width: 20px;
    height: 2px;
    background: var(--primary-color);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-45deg);
}

.icon-data::before {
    content: '';
    width: 24px;
    height: 18px;
    border: 2px solid var(--primary-color);
    border-radius: 2px;
    position: relative;
    display: block;
}

.icon-data::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 2px;
    background: var(--primary-color);
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 4px 0 var(--primary-color);
}

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

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

/* Stats Section */
.stats-section {
    background: var(--bg-secondary);
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

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

.stat-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md), 0 0 20px rgba(0, 217, 255, 0.1);
    transform: translateY(-2px);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.stat-source {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Guardrails Section */
.guardrails-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

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

.guardrail-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--primary-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.guardrail-card:hover {
    box-shadow: var(--shadow-md), 0 0 20px rgba(0, 217, 255, 0.1);
    transform: translateX(4px);
    border-color: var(--primary-color);
}

.guardrail-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1.25rem;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Guardrail Icons */
.icon-detection::before {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    position: relative;
    display: block;
}

.icon-detection::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 0 2px var(--bg-primary), 0 0 0 4px var(--primary-color);
}

.icon-safety::before {
    content: '';
    width: 18px;
    height: 20px;
    border: 2px solid var(--primary-color);
    border-top: none;
    border-radius: 0 0 2px 2px;
    position: relative;
    display: block;
}

.icon-safety::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 2px;
    background: var(--primary-color);
    top: -4px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px 2px 0 0;
}

.icon-ci::before {
    content: '';
    width: 20px;
    height: 2px;
    background: var(--primary-color);
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 6px 0 var(--primary-color), 0 12px 0 var(--primary-color);
}

.icon-ci::after {
    content: '';
    width: 6px;
    height: 6px;
    border: 2px solid var(--primary-color);
    border-right: none;
    border-bottom: none;
    position: absolute;
    top: 50%;
    right: 8px;
    transform: translateY(-50%) rotate(-45deg);
}

.icon-validation::before {
    content: '';
    width: 20px;
    height: 16px;
    border: 2px solid var(--primary-color);
    border-radius: 2px;
    position: relative;
    display: block;
}

.icon-validation::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 10px;
    border-right: 2px solid var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
    top: 2px;
    left: 6px;
    transform: rotate(45deg);
}

.icon-collaboration::before {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid var(--primary-color);
    border-radius: 2px;
    position: relative;
    display: block;
    margin: 0 auto;
}

.icon-collaboration::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid var(--primary-color);
    border-radius: 2px;
    top: 12px;
    left: 8px;
}

.icon-monitoring::before {
    content: '';
    width: 20px;
    height: 14px;
    border: 2px solid var(--primary-color);
    border-radius: 2px 2px 0 0;
    position: relative;
    display: block;
}

.icon-monitoring::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 8px;
    background: var(--primary-color);
    bottom: -8px;
    left: 4px;
    box-shadow: 4px 0 0 var(--primary-color), 8px 0 0 var(--primary-color), 12px 0 0 var(--primary-color);
}

.guardrail-card h3 {
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

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

/* Research Section */
.research-section {
    background: var(--bg-secondary);
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.research-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.research-card:hover {
    box-shadow: var(--shadow-md), 0 0 20px rgba(0, 217, 255, 0.1);
    transform: translateY(-4px);
    border-color: var(--primary-color);
}

.research-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1.25rem;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Research Icons */
.icon-paper::before {
    content: '';
    width: 20px;
    height: 24px;
    border: 2px solid var(--primary-color);
    border-radius: 2px;
    position: relative;
    display: block;
}

.icon-paper::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 2px;
    background: var(--primary-color);
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 4px 0 var(--primary-color), 0 8px 0 var(--primary-color), 0 12px 0 var(--primary-color);
}

.research-card h3 {
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.research-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.research-source {
    font-size: 0.875rem;
    color: var(--primary-color);
    font-weight: 500;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.research-note {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.research-note p {
    color: var(--text-primary);
    line-height: 1.8;
    margin: 0;
}

.research-note strong {
    color: var(--primary-color);
}

/* Solution Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.feature-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md), 0 0 20px rgba(0, 217, 255, 0.1);
    transform: translateY(-2px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1.25rem;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Feature Icons */
.icon-registry::before {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-color);
    border-radius: 3px;
    position: relative;
    display: block;
}

.icon-registry::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 2px;
    top: 2px;
    right: 2px;
}

.icon-playground::before {
    content: '';
    width: 0;
    height: 0;
    border-left: 12px solid var(--primary-color);
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-40%, -50%);
}

.icon-playground::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
}

.icon-automation::before {
    content: '';
    width: 24px;
    height: 24px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    position: relative;
    display: block;
}

.icon-automation::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 2px;
    background: var(--primary-color);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
    box-shadow: 0 0 0 2px var(--bg-primary), 0 0 0 4px var(--primary-color);
}

.icon-metrics::before {
    content: '';
    width: 20px;
    height: 16px;
    border: 2px solid var(--primary-color);
    border-bottom: none;
    position: relative;
    display: block;
}

.icon-metrics::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 8px;
    background: var(--primary-color);
    bottom: -2px;
    left: 4px;
    box-shadow: 6px 0 0 var(--primary-color), 12px 0 0 var(--primary-color);
}

.icon-analytics::before {
    content: '';
    width: 24px;
    height: 18px;
    border: 2px solid var(--primary-color);
    border-top: none;
    border-radius: 0 0 2px 2px;
    position: relative;
    display: block;
}

.icon-analytics::after {
    content: '';
    position: absolute;
    width: 2px;
    height: 12px;
    background: var(--primary-color);
    bottom: -2px;
    left: 6px;
    box-shadow: 4px 0 0 var(--primary-color), 8px 0 0 var(--primary-color), 12px 0 0 var(--primary-color);
}

.icon-team::before {
    content: '';
    width: 18px;
    height: 18px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    position: relative;
    display: block;
    margin: 0 auto;
}

.icon-team::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    top: 12px;
    left: 6px;
}

.feature-card h3 {
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

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

/* Metrics Section */
.metrics-section {
    background: var(--bg-secondary);
}

/* Eval Hero */
.eval-hero {
    margin: 3rem 0;
    padding: 3rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.eval-hero-content h3 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.eval-hero-content p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 0;
}

/* Eval Features Grid */
.eval-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.eval-feature-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.eval-feature-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md), 0 0 20px rgba(0, 217, 255, 0.1);
    transform: translateY(-2px);
}

.eval-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1.25rem;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.eval-feature-card h3 {
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

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

/* Eval Icons */
.icon-custom::before {
    content: '';
    width: 24px;
    height: 24px;
    border: 2px solid var(--primary-color);
    border-radius: 4px;
    position: relative;
    display: block;
}

.icon-custom::after {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    border: 2px solid var(--primary-color);
    border-radius: 2px;
    top: 8px;
    right: 4px;
    background: var(--primary-color);
    opacity: 0.3;
}

.icon-ownership::before {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    position: relative;
    display: block;
}

.icon-ownership::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 0 2px var(--bg-primary), 0 0 0 4px var(--primary-color);
}

.icon-standard::before {
    content: '';
    width: 20px;
    height: 16px;
    border: 2px solid var(--primary-color);
    border-top: none;
    position: relative;
    display: block;
}

.icon-standard::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    bottom: -2px;
    left: 4px;
    box-shadow: 6px 0 0 var(--primary-color), 12px 0 0 var(--primary-color);
}

.icon-flexible::before {
    content: '';
    width: 20px;
    height: 2px;
    background: var(--primary-color);
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 6px 0 var(--primary-color), 0 12px 0 var(--primary-color);
}

.icon-flexible::after {
    content: '';
    width: 6px;
    height: 6px;
    border: 2px solid var(--primary-color);
    border-right: none;
    border-bottom: none;
    position: absolute;
    top: 50%;
    right: 8px;
    transform: translateY(-50%) rotate(-45deg);
}

/* Eval Comparison */
.eval-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.comparison-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.comparison-card.standard {
    border-left: 3px solid var(--text-muted);
}

.comparison-card.custom {
    border-left: 3px solid var(--primary-color);
}

.comparison-card h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.comparison-card.custom h4 {
    color: var(--primary-color);
}

.comparison-card > p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

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

.comparison-card li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    padding-left: 1.5rem;
    line-height: 1.6;
}

.comparison-card li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 600;
}

.comparison-card.standard li:before {
    color: var(--text-muted);
}

.comparison-card li:last-child {
    border-bottom: none;
}

/* Eval CTA */
.eval-cta {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    text-align: center;
}

.eval-cta-text {
    font-size: 1.25rem;
    color: var(--text-primary);
    line-height: 1.8;
    margin: 0;
    font-weight: 500;
}

/* Use Cases Section */
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.use-case-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--primary-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.use-case-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
    transform: translateX(4px);
}

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

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

/* CTA Section */
.cta-section {
    background: var(--bg-secondary);
    background-image: 
        radial-gradient(circle at 50% 50%, rgba(0, 217, 255, 0.1) 0%, transparent 70%);
    color: var(--text-primary);
    text-align: center;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.cta-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

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

.cta-section .btn-primary:hover {
    background: var(--primary-dark);
}

/* Contact Section */
.contact-section {
    background: var(--bg-secondary);
}

.contact-form-container {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
    background: var(--bg-tertiary);
}

.form-group textarea {
    resize: vertical;
}

.contact-form .btn-primary {
    width: 100%;
    margin-top: 0.5rem;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 3rem 0 1.5rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.footer-section h4 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

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

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

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

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn-primary,
    .btn-outline {
        width: 100%;
        text-align: center;
    }

    .problem-grid,
    .features-grid,
    .metrics-grid,
    .use-cases-grid,
    .stats-grid,
    .guardrails-grid,
    .research-grid,
    .eval-features-grid,
    .eval-comparison {
        grid-template-columns: 1fr;
    }

    .eval-hero {
        padding: 2rem;
    }

    .eval-hero-content h3 {
        font-size: 1.5rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 4rem 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .section {
        padding: 3rem 0;
    }

    .contact-form {
        padding: 1.5rem;
    }
}

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

/* Selection Color */
::selection {
    background: var(--primary-color);
    color: var(--bg-primary);
}