:root {
  --bg: #060911;
  --bg-card: rgba(13, 20, 36, 0.85);
  --bg-card-hover: rgba(22, 33, 58, 0.95);
  --border: rgba(16, 185, 129, 0.25);
  --border-hover: rgba(16, 185, 129, 0.7);
  --primary: #10b981;
  --primary-glow: rgba(16, 185, 129, 0.35);
  --accent: #f59e0b;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --nav-bg: rgba(6, 9, 17, 0.95);
  --badge-bg: rgba(16, 185, 129, 0.15);
  --badge-text: #6ee7b7;
  --btn-grad: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
body { background: var(--bg); color: var(--text); line-height: 1.65; min-height: 100vh; display: flex; flex-direction: column; overflow-x: hidden; }
a { color: var(--primary); text-decoration: none; transition: all 0.2s; }
a:hover { filter: brightness(1.2); }

.container { width: 100%; max-width: 1300px; margin: 0 auto; padding: 0 20px; }

/* Navbar - STRICT NO SCROLLBAR */
.navbar { position: sticky; top: 0; z-index: 1000; background: var(--nav-bg); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); overflow: visible !important; }
.navbar-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; color: #fff; text-decoration: none; flex-shrink: 0; }
.brand img { width: 34px; height: 34px; border-radius: 8px; flex-shrink: 0; }
.brand .badge { font-size: 0.72rem; padding: 2px 8px; border-radius: 9999px; background: var(--badge-bg); color: var(--badge-text); border: 1px solid var(--border); font-weight: 600; font-family: monospace; }

.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; overflow: visible !important; }
.nav-links a { color: var(--text-muted); font-size: 0.9rem; font-weight: 500; padding: 6px 11px; border-radius: 6px; transition: all 0.15s; white-space: nowrap; }
.nav-links a:hover, .nav-links a.active { color: #fff; background: rgba(16,185,129,0.12); }

.nav-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font-weight: 600; font-size: 0.9rem; padding: 8px 16px; border-radius: 8px; cursor: pointer; transition: all 0.2s; border: none; white-space: nowrap; text-decoration: none; }
.btn-primary { background: var(--btn-grad); color: #fff !important; box-shadow: 0 4px 14px var(--primary-glow); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px var(--primary-glow); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); background: rgba(16,185,129,0.06); }

/* Lab Telemetry Banner */
.telemetry-bar { background: rgba(16, 185, 129, 0.08); border-bottom: 1px solid var(--border); font-family: monospace; font-size: 0.8rem; color: #6ee7b7; padding: 6px 14px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.telemetry-left { display: flex; align-items: center; gap: 12px; }
.blink-dot { width: 8px; height: 8px; border-radius: 50%; background: #10b981; animation: pulse 1.5s infinite; }
@keyframes pulse { 0% { opacity: 0.3; } 50% { opacity: 1; } 100% { opacity: 0.3; } }

/* Hero Dashboard */
.lab-hero { padding: 48px 0 32px; text-align: center; }
.lab-hero h1 { font-size: clamp(2rem, 3.6vw, 2.9rem); font-weight: 800; line-height: 1.25; margin-bottom: 16px; }
.lab-hero h1 .highlight { color: #10b981; }
.lab-hero p.lead { font-size: 1.05rem; color: var(--text-muted); max-width: 820px; margin: 0 auto 28px; line-height: 1.7; }
.lab-cta-row { display: flex; align-items: center; justify-content: center; gap: 14px; margin-bottom: 36px; flex-wrap: wrap; }

/* 4 Speed Gauges */
.gauge-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 40px; }
.gauge-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; padding: 22px 16px; text-align: center; box-shadow: 0 4px 16px rgba(0,0,0,0.3); position: relative; overflow: hidden; }
.gauge-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--primary); }
.gauge-val { font-size: 2.1rem; font-weight: 900; color: #10b981; font-family: monospace; margin-bottom: 4px; }
.gauge-lbl { font-size: 0.85rem; color: #cbd5e1; font-weight: 600; margin-bottom: 2px; }
.gauge-sub { font-size: 0.75rem; color: var(--text-muted); font-family: monospace; }

/* Section Title */
.lab-sec-title { text-align: center; margin: 40px 0 24px; }
.lab-sec-title h2 { font-size: 1.6rem; font-weight: 800; color: #fff; margin-bottom: 8px; }
.lab-sec-title p { color: var(--text-muted); font-size: 0.95rem; }

/* Benchmark Data Table */
.data-table-wrap { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; overflow-x: auto; padding: 18px; margin-bottom: 36px; }
.data-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 0.9rem; }
.data-table th, .data-table td { padding: 12px 14px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.data-table th { background: rgba(16, 185, 129, 0.1); color: #fff; font-family: monospace; font-size: 0.85rem; }
.data-table td.speed-hi { color: #10b981; font-weight: 700; font-family: monospace; }

/* Visual Stress Test Bars */
.stress-box { background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; padding: 28px; margin-bottom: 36px; }
.bar-row { margin-bottom: 20px; }
.bar-info { display: flex; justify-content: space-between; font-size: 0.88rem; font-weight: 600; margin-bottom: 6px; }
.bar-track { background: rgba(255,255,255,0.06); border-radius: 9999px; height: 12px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 9999px; }
.bar-fill.green { background: linear-gradient(90deg, #10b981, #34d399); width: 98%; }
.bar-fill.amber { background: linear-gradient(90deg, #f59e0b, #fbbf24); width: 45%; }
.bar-fill.red { background: linear-gradient(90deg, #ef4444, #f87171); width: 15%; }

/* Code Snippet Box */
.code-box { background: #000; border: 1px solid rgba(255,255,255,0.15); border-radius: 10px; padding: 20px; font-family: monospace; font-size: 0.88rem; color: #a7f3d0; margin: 20px 0; overflow-x: auto; }

/* Rich Text */
.rich-box { max-width: 900px; margin: 0 auto; background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px; padding: 36px; font-size: 1rem; line-height: 1.8; }
.rich-box h2 { font-size: 1.35rem; margin: 24px 0 12px; color: #fff; border-left: 4px solid var(--primary); padding-left: 12px; }
.rich-box h3 { font-size: 1.15rem; margin: 18px 0 10px; color: #fff; }
.rich-box p { margin-bottom: 16px; color: var(--text-muted); }
.rich-box ul, .rich-box ol { margin: 0 0 20px 24px; color: var(--text-muted); }
.rich-box li { margin-bottom: 8px; }

/* Footer - ONLY 6 SITES MUTUAL LINKS */
footer { margin-top: auto; border-top: 1px solid var(--border); background: var(--nav-bg); padding: 48px 0 24px; font-size: 0.88rem; }
.footer-friendly { border: 1px solid var(--border); border-radius: 12px; padding: 18px; background: rgba(13, 20, 36, 0.6); margin-bottom: 30px; }
.footer-friendly .title { font-size: 0.92rem; font-weight: 700; margin-bottom: 10px; color: #fff; }
.footer-friendly .links-flex { display: flex; flex-wrap: wrap; gap: 8px 12px; }
.friendly-link { font-size: 0.85rem; color: var(--text-muted); padding: 5px 12px; background: rgba(255,255,255,0.03); border-radius: 6px; border: 1px solid var(--border); text-decoration: none; transition: all 0.2s; }
.friendly-link:hover { color: #fff; border-color: var(--primary); background: rgba(16, 185, 129, 0.1); }
.friendly-link.current { border-color: var(--primary); color: #fff; font-weight: 600; background: var(--badge-bg); }

.footer-main { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 30px; }
.footer-about h3 { font-size: 1.05rem; margin-bottom: 10px; color: #fff; }
.footer-about p { color: var(--text-muted); font-size: 0.85rem; line-height: 1.6; }
.footer-col h4 { font-size: 0.92rem; font-weight: 700; margin-bottom: 12px; color: #fff; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: var(--text-muted); font-size: 0.85rem; }
.footer-col a:hover { color: var(--primary); }
.footer-copy { border-top: 1px solid var(--border); padding-top: 18px; text-align: center; color: var(--text-muted); font-size: 0.82rem; }

/* Jump Dock */
.jump-dock { position: fixed; right: 20px; bottom: 24px; display: flex; flex-direction: column; gap: 8px; z-index: 999; }
.dock-circle { width: 42px; height: 42px; border-radius: 50%; background: var(--bg-card); border: 1px solid var(--border); color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 14px rgba(0,0,0,0.4); text-decoration: none; cursor: pointer; transition: all 0.2s; }
.dock-circle.primary { background: var(--btn-grad); border: none; }
.dock-circle:hover { transform: scale(1.08); }

@media (max-width: 900px) {
  .gauge-grid { grid-template-columns: 1fr 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 20px; }
  .navbar-inner { height: auto; padding: 12px 0; flex-wrap: wrap; }
}