* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary: hsl(250, 84%, 54%);
    --primary-light: hsl(250, 84%, 64%);
    --primary-dark: hsl(250, 84%, 44%);
    --secondary: hsl(340, 82%, 52%);
    --bg-dark: hsl(240, 21%, 8%);
    --bg-card: hsl(240, 18%, 12%);
    --bg-elevated: hsl(240, 16%, 16%);
    --text-primary: hsl(0, 0%, 98%);
    --text-secondary: hsl(240, 5%, 70%);
    --border: hsl(240, 12%, 20%);
    
    /* Severity Colors */
    --critical: hsl(0, 84%, 60%);
    --high: hsl(30, 84%, 60%);
    --medium: hsl(45, 84%, 60%);
    
    /* Spacing */
    --container-max: 1200px;
    --section-padding: 6rem 2rem;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero {
    padding: 8rem 0 6rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    opacity: 0.15;
    filter: blur(80px);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.15; }
    50% { transform: scale(1.1); opacity: 0.2; }
}

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

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

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


.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.gradient-text {
    color: var(--primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.875rem 1.75rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    font-family: var(--font-primary);
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

.quick-install {
    margin-top: 2rem;
}

.code-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    position: relative;
}

.code-block:hover {
    border-color: var(--primary);
}

.code-block code {
    color: var(--text-primary);
}

.copy-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.copy-btn:hover {
    color: var(--primary);
    background: var(--bg-elevated);
}

/* Terminal */
.terminal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.terminal-header {
    background: var(--bg-elevated);
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

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

.dot-red { background: hsl(0, 70%, 60%); }
.dot-yellow { background: hsl(45, 70%, 60%); }
.dot-green { background: hsl(120, 70%, 60%); }

.terminal-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.terminal-body {
    padding: 1.5rem;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.8;
}

.terminal-line {
    margin-bottom: 0.5rem;
}

.terminal-spacer {
    margin-bottom: 1rem;
}

.prompt {
    color: var(--primary);
    margin-right: 0.5rem;
}

.command {
    color: var(--text-primary);
}

.output {
    color: var(--text-secondary);
}

.severity-badge {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.75rem;
    margin-right: 0.5rem;
}

.severity-badge.critical {
    background: hsla(0, 84%, 60%, 0.2);
    color: var(--critical);
}

.detail {
    color: var(--text-secondary);
    margin-left: 1.5rem;
}

.summary {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.summary-item {
    font-weight: 600;
}

.summary-item.critical { color: var(--critical); }
.summary-item.high { color: var(--high); }
.summary-item.medium { color: var(--medium); }

/* Features Section */
.features {
    padding: var(--section-padding);
    background: linear-gradient(180deg, transparent 0%, var(--bg-card) 100%);
}

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

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

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

.feature-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.2);
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

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

/* AI Architecture Section */
.ai-architecture {
    padding: var(--section-padding);
    background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-dark) 100%);
}

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

.ai-features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
    text-align: left;
}

.ai-feature-item {
    background: var(--bg-elevated);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.ai-feature-item:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.ai-feature-item h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

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

.research-reference {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.reference-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.research-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    justify-content: center;
}

.research-link:hover {
    gap: 1rem;
    color: var(--primary-light);
}

.research-link svg {
    flex-shrink: 0;
}

/* Customers Section */
.customers {
    padding: var(--section-padding);
    background: var(--bg-dark);
}

.customers-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.customer-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    min-width: 200px;
}

.customer-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.2);
}

.customer-logo {
    width: 80px;
    height: 80px;
    border-radius: 12px;
    object-fit: cover;
    border: 2px solid var(--border);
    transition: all 0.3s ease;
}

.customer-card:hover .customer-logo {
    border-color: var(--primary);
}

.customer-name {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
}

/* Installation Section */
.installation {
    padding: var(--section-padding);
    background: var(--bg-dark);
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.step-number {
    width: 48px;
    height: 48px;
    background: var(--primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.step-content .code-block {
    margin-top: 0.75rem;
}

/* CTA Section */
.cta {
    padding: var(--section-padding);
    background: var(--primary);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -25%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    filter: blur(60px);
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

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

.cta .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.cta .btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    color: white;
}

.cta .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: white;
}

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

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

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

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .terminal {
        order: -1;
    }
    
    .ai-architecture-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 640px) {
    :root {
        --section-padding: 4rem 1.5rem;
    }
    
    .hero {
        padding: 5rem 0 3rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .terminal-body {
        font-size: 0.75rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: column;
        gap: 1rem;
    }
    
    .cta h2 {
        font-size: 1.75rem;
    }
    
    .cta p {
        font-size: 1rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}