:root {
    --bg-primary: #0a0f1d;
    --bg-card: #131b2e;
    --border: #1f2d4a;
    --accent: #38bdf8;
    --accent-glow: rgba(56, 189, 248, 0.15);
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --success: #10b981;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background-color: var(--bg-primary); color: var(--text); line-height: 1.6; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

.navbar { border-bottom: 1px solid var(--border); padding: 1rem 0; background: rgba(10, 15, 29, 0.8); backdrop-filter: blur(8px); position: sticky; top: 0; z-index: 100; }
.nav-wrap { display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; gap: 0.5rem; font-weight: 700; color: var(--text); font-size: 1.1rem; }
.logo svg { stroke: var(--accent); }
.nav-links a { color: var(--text-muted); text-decoration: none; margin-left: 1.5rem; font-size: 0.9rem; }
.nav-links a:hover { color: var(--accent); }

.hero { padding: 5rem 0 3rem; text-align: center; }
.hero h1 { font-size: 2.75rem; font-weight: 800; margin: 1.25rem 0; line-height: 1.2; }
.hero p { font-size: 1.15rem; color: var(--text-muted); max-width: 700px; margin: 0 auto; }

.badge { display: inline-flex; align-items: center; gap: 0.5rem; background: var(--accent-glow); border: 1px solid var(--border); color: var(--accent); padding: 0.35rem 0.85rem; border-radius: 9999px; font-size: 0.8rem; font-weight: 600; }
.pulse { width: 8px; height: 8px; background: var(--success); border-radius: 50%; box-shadow: 0 0 8px var(--success); }

.grid-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; margin: 3rem 0; }
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 2rem; }
.card .metric { font-size: 1.3rem; font-weight: 700; color: var(--accent); margin: 0.75rem 0; }
.card p { font-size: 0.9rem; color: var(--text-muted); }

.system-box { background: #070a14; border: 1px solid var(--border); border-radius: 8px; padding: 1.5rem; margin-bottom: 4rem; }
.system-box h2 { font-size: 1rem; margin-bottom: 0.75rem; color: var(--text-muted); text-transform: uppercase; }
.code-block code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.85rem; color: #a5b4fc; }

footer { border-top: 1px solid var(--border); padding: 2.5rem 0; text-align: center; font-size: 0.85rem; color: var(--text-muted); }