:root {
    --bg-dark: #0f1115;
    --bg-panel: #16191e;
    --bg-panel-hover: #1c1f26;
    --border-color: #2b303b;
    --text-main: #d1d5db;
    --text-muted: #9ca3af;
    --accent-green: #34d399;
    --accent-green-dim: rgba(52, 211, 153, 0.15);

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI',
                 Roboto, Helvetica, Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco,
                 Consolas, monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--text-main);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

ul {
    list-style: none;
}

main {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    max-width: 1000px;
    margin: 0 auto 48px auto;
    border-bottom: 1px solid var(--border-color);
}

.brand h1 {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 1px;
    color: #fff;
}

.brand .subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-menu ul {
    display: flex;
    gap: 24px;
}

.nav-menu a {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.nav-menu a:hover {
    color: #fff;
}

.module-section {
    margin-bottom: 80px;
    padding-top: 40px;
}

.section-header {
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.section-header h2 {
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #fff;
}

.hero-section {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    margin-bottom: 80px;
    padding-top: 20px;
}

.hero-content {
    flex: 1;
    max-width: 500px;
}

.hero-content h2 {
    font-size: 1.75rem;
    font-weight: 400;
    color: #fff;
    margin-bottom: 16px;
    line-height: 1.3;
}

.hero-content p {
    color: var(--text-muted);
    margin-bottom: 32px;
}

.btn-primary {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-size: 0.85rem;
    cursor: pointer;
}

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

.tech-panel {
    width: 320px;
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    padding: 20px;
}

.panel-header h3 {
    font-size: 0.75rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.status-list li {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    font-size: 0.85rem;
    margin-bottom: 12px;
    border-bottom: 1px dashed var(--border-color);
    padding-bottom: 4px;
}

.status-list li:last-child {
    margin-bottom: 0;
    border-bottom: none;
}

.status-list .label {
    color: var(--text-muted);
}

.status-list .value {
    color: var(--text-main);
    font-family: var(--font-mono);
    text-align: right;
}

.grid-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.card {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    padding: 24px;
    transition: background-color 0.2s ease;
}

.card:hover {
    background-color: var(--bg-panel-hover);
}

.card-number {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-green);
    margin-bottom: 16px;
}

.card h3 {
    font-size: 1rem;
    font-weight: 500;
    color: #fff;
    margin-bottom: 8px;
}

.card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.status-board {
    background-color: var(--bg-panel);
    border: 1px solid var(--border-color);
    padding: 24px;
}

.status-item {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.status-item:last-child {
    margin-bottom: 0;
}

.indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 12px;
    background-color: #555;
}

.indicator.neutral {
    background-color: #6b7280;
}

.indicator.private {
    background-color: #9ca3af;
}

.indicator.config {
    background-color: #d97706;
}

.item-name {
    font-weight: 500;
    color: var(--text-main);
    width: 200px;
}

.item-state {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.turing-panel {
    background-color: var(--bg-panel);
    border-left: 3px solid var(--accent-green);
    padding: 24px;
}

.turing-panel p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.site-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    max-width: 1000px;
    margin: 60px auto 40px auto;
    padding: 24px;
    border-top: 1px solid var(--border-color);
}

.footer-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.footer-info strong {
    color: var(--text-main);
}

.footer-links {
    display: flex;
    gap: 16px;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .topbar {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }

    .nav-menu ul {
        flex-wrap: wrap;
        gap: 16px;
    }

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

    .tech-panel {
        width: 100%;
    }

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

    .status-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .item-name {
        margin-bottom: 4px;
    }

    .site-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
    }
}