/* Design System: Architecture for Intelligence */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    /* Primary Colors */
    --deep-space-black: #0A0A0A;
    --quantum-blue: #1E3A8A;
    --emerald-intelligence: #059669;
    
    /* Secondary Colors */
    --platinum-silver: #E5E7EB;
    --warm-white: #F9FAFB;
    --charcoal-gray: #374151;
    
    /* Accent Colors */
    --neural-gold: #D97706;
    --crimson-alert: #DC2626;
    --mint-success: #10B981;
    
    /* Spacing System */
    --spacing-xs: 12px;
    --spacing-sm: 24px;
    --spacing-md: 48px;
    --spacing-lg: 96px;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--charcoal-gray);
    background: var(--warm-white);
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Typography System */
h1 {
    font-size: 48px;
    font-weight: 700;
    color: var(--deep-space-black);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h2 {
    font-size: 36px;
    font-weight: 600;
    color: var(--deep-space-black);
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h3 {
    font-size: 24px;
    font-weight: 500;
    color: var(--charcoal-gray);
    line-height: 1.4;
    margin-bottom: var(--spacing-xs);
}

h4 {
    font-size: 20px;
    font-weight: 500;
    color: var(--charcoal-gray);
    line-height: 1.4;
    margin-bottom: var(--spacing-xs);
}

p {
    font-size: 16px;
    font-weight: 400;
    color: var(--charcoal-gray);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

/* Header & Navigation */
header {
    background: var(--deep-space-black);
    color: var(--warm-white);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

nav {
    background: var(--deep-space-black);
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--warm-white);
}

.logo a {
    color: var(--warm-white);
    text-decoration: none;
    font-size: 24px;
    font-weight: 700;
}

.logo a:visited {
    color: var(--warm-white);
}

.logo a:hover {
    color: var(--warm-white);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-links a {
    color: var(--warm-white);
    text-decoration: none;
    font-weight: 500;
    transition: color 200ms ease-in-out;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--emerald-intelligence);
    transition: width 200ms ease-in-out;
}

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

/* Hero Section */
.hero {
    background: var(--deep-space-black);
    color: var(--warm-white);
    padding: var(--spacing-lg) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(30, 58, 138, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(5, 150, 105, 0.1) 0%, transparent 50%);
    pointer-events: none;
    animation: gradient-scale 160s ease-in-out infinite;
}

@keyframes gradient-scale {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.3);
    }
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero h1 {
    color: var(--warm-white);
    margin-bottom: var(--spacing-sm);
    font-size: 64px;
    font-weight: 700;
    letter-spacing: -1px;
}

.tagline {
    font-size: 24px;
    font-weight: 300;
    color: var(--platinum-silver);
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.5px;
}

.hero h2 {
    color: var(--warm-white);
    margin-bottom: var(--spacing-md);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-text {
    font-size: 18px;
    color: var(--platinum-silver);
    margin-bottom: var(--spacing-md);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.patent-badges {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
    flex-wrap: wrap;
}

.patent-badge {
    background: rgba(255, 255, 255, 0.1);
    color: var(--warm-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    backdrop-filter: blur(10px);
    transition: all 200ms ease-in-out;
}

.patent-badge:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.cta-buttons {
    margin-top: var(--spacing-md);
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Button System */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: all 200ms ease-in-out;
    border: none;
    cursor: pointer;
    text-align: center;
    min-width: 140px;
}

.btn-primary {
    background: var(--deep-space-black);
    color: var(--warm-white);
    border: 2px solid var(--warm-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--warm-white);
    color: var(--deep-space-black);
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background: var(--warm-white);
    color: var(--deep-space-black);
    transform: scale(1.02);
}

.btn-tertiary {
    background: transparent;
    color: var(--quantum-blue);
    border: none;
    text-decoration: underline;
    text-underline-offset: 4px;
    padding: var(--spacing-xs) 0;
}

.btn-tertiary:hover {
    color: var(--emerald-intelligence);
    transform: scale(1.02);
}

/* Features Section */
.features {
    padding: var(--spacing-lg) 0;
    background: var(--warm-white);
}

.features h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

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

.feature-card {
    background: var(--warm-white);
    border: 1px solid var(--platinum-silver);
    border-radius: 12px;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: all 200ms ease-in-out;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--quantum-blue), var(--emerald-intelligence));
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--quantum-blue);
}

.feature-card h3 {
    color: var(--deep-space-black);
    margin-bottom: var(--spacing-sm);
    font-size: 20px;
}

.feature-card p {
    margin-bottom: var(--spacing-sm);
    color: var(--charcoal-gray);
}

.feature-highlight {
    background: rgba(5, 150, 105, 0.1);
    color: var(--emerald-intelligence);
    padding: var(--spacing-xs);
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid rgba(5, 150, 105, 0.2);
}

/* Architecture Section */
.architecture-section {
    padding: var(--spacing-lg) 0;
    background: var(--deep-space-black);
    color: var(--warm-white);
}

.architecture-section h2 {
    color: var(--warm-white);
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.architecture-text {
    text-align: center;
    color: var(--platinum-silver);
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    font-size: 18px;
}

.architecture-text.dark {
    color: var(--deep-space-black);
}

.architecture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.architecture-item {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 200ms ease-in-out;
}

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

.architecture-item h4 {
    color: var(--emerald-intelligence);
    margin-bottom: var(--spacing-xs);
    font-size: 18px;
}

.architecture-item p {
    color: var(--platinum-silver);
    font-size: 14px;
    margin: 0;
    line-height: 1.5;
}

/* Tech Specs Section */
.tech-specs {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    border-radius: 12px;
    margin: var(--spacing-md) 0;
    border-left: 4px solid var(--emerald-intelligence);
}

.tech-specs h3 {
    color: var(--emerald-intelligence);
    margin-bottom: var(--spacing-sm);
    font-size: 20px;
}

.tech-specs p {
    margin-bottom: var(--spacing-sm);
    color: var(--platinum-silver);
}

.tech-specs ul {
    list-style: none;
    padding: 0;
}

.tech-specs.dark p,
.tech-specs.dark ul li,
.tech-specs.dark ul li strong {
    color: var(--deep-space-black);
}

.tech-specs ul li {
    margin-bottom: var(--spacing-xs);
    padding-left: var(--spacing-sm);
    position: relative;
    color: var(--platinum-silver);
}

.tech-specs ul li:before {
    content: "→";
    color: var(--emerald-intelligence);
    position: absolute;
    left: 0;
    font-weight: 500;
}

.tech-specs ul li strong {
    color: var(--warm-white);
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--warm-white);
    border: 1px solid var(--platinum-silver);
    border-radius: 12px;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--deep-space-black);
    font-weight: 500;
    font-size: 14px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--platinum-silver);
    border-radius: 6px;
    font-size: 16px;
    font-family: var(--font-primary);
    background: var(--warm-white);
    color: var(--charcoal-gray);
    transition: all 200ms ease-in-out;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--quantum-blue);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
    font-family: var(--font-primary);
}

.contact-form .btn {
    width: 100%;
    margin-top: var(--spacing-sm);
}

/* Proof Section */
.proof-section {
    padding: var(--spacing-lg) 0;
    background: var(--warm-white);
}

.proof-section h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.proof-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.proof-card {
    background: var(--warm-white);
    border: 1px solid var(--platinum-silver);
    border-radius: 12px;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: all 200ms ease-in-out;
}

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

.proof-card h3 {
    color: var(--deep-space-black);
    margin-bottom: var(--spacing-sm);
}

.proof-card p {
    margin-bottom: var(--spacing-sm);
}

.proof-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--emerald-intelligence);
    margin-bottom: var(--spacing-xs);
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-lg) 0;
    background: var(--quantum-blue);
    color: var(--warm-white);
    text-align: center;
}

.cta-section h2 {
    color: var(--warm-white);
    margin-bottom: var(--spacing-sm);
}

.cta-section p {
    color: var(--platinum-silver);
    max-width: 600px;
    margin: 0 auto var(--spacing-md);
    font-size: 18px;
}

/* Footer */
footer {
    background: var(--deep-space-black);
    color: var(--platinum-silver);
    padding: var(--spacing-md) 0;
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
}

.footer-links a {
    color: var(--platinum-silver);
    text-decoration: none;
    transition: color 200ms ease-in-out;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 24px;
    }
    
    h1 {
        font-size: 36px;
    }
    
    h2 {
        font-size: 28px;
    }
    
    .hero h1 {
        font-size: 48px;
    }
    
    .tagline {
        font-size: 20px;
    }
    
    .nav-links {
        display: none;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .architecture-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .contact-form {
        margin: 0 var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .hero {
        padding: var(--spacing-md) 0;
    }
    
    .features,
    .architecture-section,
    .proof-section,
    .cta-section {
        padding: var(--spacing-md) 0;
    }
    
    .patent-badges {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-form {
        padding: var(--spacing-sm);
    }
}

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

/* Focus States */
.btn:focus,
.nav-links a:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: 2px solid var(--emerald-intelligence);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .nav-links,
    .cta-buttons,
    .btn {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
} 
}