:root {
    --bg-dark: #0a0a0f;
    --bg-card: #12121a;
    --bg-code: #1a1a24;
    --text: #e4e4e7;
    --text-dim: #71717a;
    --accent: #22c55e;
    --accent-dim: #16a34a;
    --border: #27272a;
    --warning: #f59e0b;
    --danger: #ef4444;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.7;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    position: sticky;
    top: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(8px);
    z-index: 100;
}

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

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
}

nav {
    display: flex;
    gap: 32px;
}

nav a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--accent);
}

/* Hero */
.hero {
    padding: 80px 0;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .tagline {
    font-size: 1.25rem;
    color: var(--text-dim);
    max-width: 600px;
    margin: 0 auto 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg-dark);
}

.btn-primary:hover {
    background: var(--accent-dim);
}

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

.btn-secondary:hover {
    border-color: var(--accent);
}

/* Sections */
section {
    padding: 60px 0;
    border-bottom: 1px solid var(--border);
}

section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 24px;
}

section p {
    color: var(--text-dim);
    margin-bottom: 16px;
    max-width: 700px;
}

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-top: 32px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    transition: border-color 0.2s, transform 0.2s;
}

.card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
}

.card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card p {
    font-size: 0.95rem;
    color: var(--text-dim);
    margin-bottom: 16px;
}

.card a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
}

.card a:hover {
    text-decoration: underline;
}

/* Terminal */
.terminal {
    background: var(--bg-code);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.9rem;
    overflow-x: auto;
    margin: 24px 0;
}

.terminal .prompt {
    color: var(--accent);
}

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

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

/* Disclaimer */
.disclaimer {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    border-radius: 8px;
    padding: 16px 20px;
    margin: 24px 0;
}

.disclaimer h4 {
    color: var(--danger);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.disclaimer p {
    font-size: 0.9rem;
    color: var(--text-dim);
    margin: 0;
}

/* Ethics Section */
.ethics {
    background: var(--bg-card);
}

.ethics-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-top: 24px;
}

.ethics-point {
    display: flex;
    gap: 12px;
}

.ethics-point .icon {
    font-size: 1.5rem;
}

.ethics-point h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.ethics-point p {
    font-size: 0.9rem;
    color: var(--text-dim);
}

/* Footer */
footer {
    padding: 40px 0;
    text-align: center;
}

footer p {
    color: var(--text-dim);
    font-size: 0.85rem;
}

footer a {
    color: var(--accent);
    text-decoration: none;
}

/* Mobile */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    nav {
        display: none;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }
}