:root {
    --bg-primary: #050505;
    --bg-secondary: #0a0a0a;
    --text-primary: #e8e8e8;
    --text-secondary: #707070;
    --text-dim: #404040;
    --accent: #4a9eff;
    --accent-glow: rgba(74, 158, 255, 0.15);
    --border: #1a1a1a;
    
    /* Spacing scale */
    --space-section: 48px;
    --space-lg: 32px;
    --space-md: 24px;
    --space-sm: 16px;
    --space-xs: 8px;
}

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

html {
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Subtle gradient overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 50% 0%, rgba(74, 158, 255, 0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 100%, rgba(74, 158, 255, 0.02) 0%, transparent 40%);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    position: relative;
    z-index: 1;
}

/* Header */
header {
    padding: var(--space-section) 0;
    text-align: center;
    animation: fadeIn 1.2s ease-out;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.logo-mark {
    filter: drop-shadow(0 0 30px rgba(74, 158, 255, 0.4));
}

.logo-text {
    font-family: 'Geist Mono', monospace;
    font-size: 2.5rem;
    font-weight: 500;
    letter-spacing: 0.35em;
    color: var(--text-primary);
    text-indent: 0.35em;
}

.tagline {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.tagline-emphasis {
    font-size: 1rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.05em;
    opacity: 0.9;
}

/* Manifesto */
.manifesto {
    padding: var(--space-section) 0;
    border-top: 1px solid var(--border);
    animation: fadeIn 1s ease-out 0.2s backwards;
}

.manifesto p {
    margin-bottom: var(--space-md);
    color: var(--text-secondary);
    font-size: 1.0625rem;
    font-weight: 300;
}

.manifesto p:first-child {
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 400;
}

.manifesto strong {
    color: var(--text-primary);
    font-weight: 500;
}

.manifesto p:last-child {
    color: var(--text-dim);
    font-style: italic;
    margin-bottom: 0;
}

/* Properties */
.properties {
    padding: var(--space-section) 0;
    border-top: 1px solid var(--border);
    display: grid;
    gap: var(--space-lg);
    animation: fadeIn 1s ease-out 0.4s backwards;
}

.property {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: var(--space-sm);
    align-items: baseline;
}

@media (max-width: 540px) {
    .property {
        grid-template-columns: 1fr;
        gap: var(--space-xs);
    }
}

.property-label {
    font-family: 'Geist Mono', monospace;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    opacity: 0.8;
}

.property-text {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    font-weight: 300;
}

/* Agent Onboarding */
.agent-onboarding {
    padding: var(--space-section) 0;
    border-top: 1px solid var(--border);
    text-align: center;
    animation: fadeIn 1s ease-out 0.5s backwards;
}

.agent-prompt {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.agent-command {
    display: block;
    font-family: 'Geist Mono', monospace;
    font-size: 0.875rem;
    color: var(--accent);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: var(--space-sm) var(--space-md);
    margin: 0 auto var(--space-sm);
    max-width: 400px;
}

.agent-subtext {
    font-size: 0.8125rem;
    color: var(--text-dim);
}

.agent-subtext a {
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 1px solid var(--border);
    transition: color 0.2s ease, border-color 0.2s ease;
}

.agent-subtext a:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

/* Navigation */
nav {
    padding: var(--space-section) 0;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: center;
    gap: var(--space-section);
    animation: fadeIn 1s ease-out 0.6s backwards;
}

@media (max-width: 480px) {
    nav {
        gap: var(--space-lg);
        flex-wrap: wrap;
    }
}

nav a {
    font-family: 'Geist Mono', monospace;
    font-size: 0.8125rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--text-dim);
    text-decoration: none;
    transition: color 0.2s ease, text-shadow 0.2s ease;
}

nav a:hover {
    color: var(--text-primary);
    text-shadow: 0 0 20px var(--accent-glow);
}

/* Footer */
footer {
    padding: var(--space-section) 0;
    text-align: center;
    animation: fadeIn 1s ease-out 0.8s backwards;
}

.footer-line {
    font-family: 'Geist Mono', monospace;
    font-size: 0.6875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-dim);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}