/* =============================================
   AINNA ROBOTICS — Embodied Intelligence Laboratory
   Namespace: .ainna-robotics-page / .rb-*
   ============================================= */
.ainna-robotics-page {
  --rb-black: #0a0d12;
  --rb-graphite: #12161e;
  --rb-graphite-2: #181d28;
  --rb-titanium: #232a38;
  --rb-titanium-2: #2c3446;
  --rb-cyan: #22d3ee;
  --rb-cyan-soft: rgba(34,211,238,0.12);
  --rb-violet: #8b5cf6;
  --rb-violet-soft: rgba(139,92,246,0.12);
  --rb-amber: #f59e0b;
  --rb-amber-soft: rgba(245,158,11,0.12);
  --rb-green: #22c55e;
  --rb-green-soft: rgba(34,197,94,0.12);
  --rb-red: #ef4444;
  --rb-red-soft: rgba(239,68,68,0.12);
  --rb-blue: #3b82f6;
  --rb-blue-soft: rgba(59,130,246,0.12);
  --rb-text: #e8ecf4;
  --rb-text-2: #c0c8d8;
  --rb-muted: #8892a8;
  --rb-muted-2: #6b7590;
  --rb-line: rgba(255,255,255,0.07);
  --rb-line-2: rgba(255,255,255,0.04);
  --rb-card: rgba(10,13,18,0.94);
  --rb-card-2: rgba(18,22,30,0.9);
  --rb-grad: linear-gradient(135deg, #22d3ee 0%, #8b5cf6 100%);
  --rb-grad-2: linear-gradient(135deg, #22d3ee 0%, #3b82f6 50%, #8b5cf6 100%);
  --rb-r: 10px;
  --rb-r-2: 6px;
  --rb-shadow: 0 2px 14px rgba(0,0,0,0.4);
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 15px; line-height: 1.6; color: var(--rb-text);
  background: var(--rb-black); -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility; overflow-x: hidden; padding-top: 56px;
}
[data-theme="light"] .ainna-robotics-page {
  --rb-black: #f8fafc;
  --rb-graphite: #ffffff;
  --rb-graphite-2: #f1f5f9;
  --rb-titanium: #e2e8f0;
  --rb-titanium-2: #cbd5e1;
  --rb-cyan: #0891b2;
  --rb-cyan-soft: rgba(8,145,178,0.10);
  --rb-violet: #7c3aed;
  --rb-violet-soft: rgba(124,58,237,0.10);
  --rb-amber: #d97706;
  --rb-amber-soft: rgba(217,119,6,0.10);
  --rb-green: #16a34a;
  --rb-green-soft: rgba(22,163,74,0.10);
  --rb-red: #dc2626;
  --rb-red-soft: rgba(220,38,38,0.10);
  --rb-blue: #2563eb;
  --rb-blue-soft: rgba(37,99,235,0.10);
  --rb-text: #0f172a;
  --rb-text-2: #334155;
  --rb-muted: #64748b;
  --rb-muted-2: #94a3b8;
  --rb-line: rgba(15,23,42,0.08);
  --rb-line-2: rgba(15,23,42,0.04);
  --rb-card: rgba(255,255,255,0.95);
  --rb-card-2: rgba(248,250,252,0.92);
  --rb-shadow: 0 2px 14px rgba(0,0,0,0.08);
}
.ainna-robotics-page * { box-sizing: border-box; }
.ainna-robotics-page img { max-width: 100%; height: auto; display: block; }
.ainna-robotics-page a { color: var(--rb-cyan); text-decoration: none; }
.ainna-robotics-page a:hover { text-decoration: underline; }

/* Typography */
.rb-kicker { display: inline-flex; align-items: center; gap: 8px; font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--rb-cyan); margin-bottom: 10px; }
.rb-kicker::before { content: ''; width: 20px; height: 2px; background: var(--rb-cyan); border-radius: 1px; }
.rb-kicker--violet { color: var(--rb-violet); } .rb-kicker--violet::before { background: var(--rb-violet); }
.rb-kicker--amber { color: var(--rb-amber); } .rb-kicker--amber::before { background: var(--rb-amber); }
.rb-kicker--red { color: var(--rb-red); } .rb-kicker--red::before { background: var(--rb-red); }
.rb-kicker--green { color: var(--rb-green); } .rb-kicker--green::before { background: var(--rb-green); }
.rb-h1 { font-size: clamp(28px,4.5vw,52px); font-weight: 800; line-height: 1.12; margin: 0 0 16px; letter-spacing: -0.02em; }
.rb-h2 { font-size: clamp(22px,3vw,32px); font-weight: 700; line-height: 1.2; margin: 0 0 12px; letter-spacing: -0.01em; }
.rb-h3 { font-size: 18px; font-weight: 600; margin: 0 0 10px; }
.rb-sub { font-size: 16px; color: var(--rb-text-2); margin: 0 0 8px; line-height: 1.55; max-width: 680px; }
.rb-note { font-size: 12.5px; color: var(--rb-muted); line-height: 1.55; max-width: 620px; margin-top: 10px; }
.rb-disclaimer { font-size: 11.5px; color: var(--rb-muted-2); border-top: 1px solid var(--rb-line); padding-top: 12px; margin-top: 16px; line-height: 1.5; }
.rb-accent { color: var(--rb-cyan); }
.rb-accent-grad { background: var(--rb-grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* Buttons */
.rb-btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 22px; border-radius: var(--rb-r-2); border: 1px solid transparent; font-size: 13.5px; font-weight: 600; cursor: pointer; transition: background 0.2s, border-color 0.2s, box-shadow 0.2s; text-decoration: none; }
.rb-btn:focus-visible { outline: 2px solid var(--rb-cyan); outline-offset: 2px; }
.rb-btn-primary { background: var(--rb-grad); color: #fff; }
.rb-btn-primary:hover { box-shadow: 0 4px 18px rgba(34,211,238,0.3); text-decoration: none; }
.rb-btn-outline { background: transparent; color: var(--rb-cyan); border-color: var(--rb-cyan); }
.rb-btn-outline:hover { background: var(--rb-cyan-soft); text-decoration: none; }
.rb-btn-sm { padding: 7px 14px; font-size: 12px; }
.rb-btn-ghost { background: transparent; color: var(--rb-text-2); border-color: var(--rb-line); }
.rb-btn-ghost:hover { background: var(--rb-line-2); color: var(--rb-text); }
.rb-btn-ghost.rb-on { background: var(--rb-cyan-soft); color: var(--rb-cyan); border-color: var(--rb-cyan); }
.rb-btn-red { background: var(--rb-red-soft); color: var(--rb-red); border-color: rgba(239,68,68,0.3); }
.rb-btn-amber { background: var(--rb-amber-soft); color: var(--rb-amber); border-color: rgba(245,158,11,0.3); }
.rb-btn-green { background: var(--rb-green-soft); color: var(--rb-green); border-color: rgba(34,197,94,0.3); }

/* Chips */
.rb-chip { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 20px; border: 1px solid var(--rb-line); background: var(--rb-card-2); color: var(--rb-text-2); font-size: 12px; font-weight: 500; cursor: pointer; transition: all 0.2s; user-select: none; }
.rb-chip:hover { background: var(--rb-graphite-2); border-color: rgba(255,255,255,0.12); }
.rb-chip.rb-on { background: var(--rb-cyan-soft); color: var(--rb-cyan); border-color: var(--rb-cyan); }
.rb-chip[data-rb-scene].rb-on { background: var(--rb-violet-soft); color: var(--rb-violet); border-color: var(--rb-violet); }
.rb-chip[data-rb-sensor].rb-on { background: var(--rb-cyan-soft); color: var(--rb-cyan); border-color: var(--rb-cyan); }
.rb-chip[data-rb-condition].rb-on { background: var(--rb-amber-soft); color: var(--rb-amber); border-color: var(--rb-amber); }
.rb-chip[data-rb-task].rb-on { background: var(--rb-violet-soft); color: var(--rb-violet); border-color: var(--rb-violet); }
.rb-chip[data-rb-robot].rb-on { background: var(--rb-cyan-soft); color: var(--rb-cyan); border-color: var(--rb-cyan); }
.rb-chip[data-rb-scenario].rb-on { background: var(--rb-amber-soft); color: var(--rb-amber); border-color: var(--rb-amber); }
.rb-chip[data-rb-component].rb-on { background: var(--rb-green-soft); color: var(--rb-green); border-color: var(--rb-green); }
.rb-chip[data-rb-trigger].rb-on { background: var(--rb-red-soft); color: var(--rb-red); border-color: var(--rb-red); }
.rb-chip[data-rb-mission].rb-on { background: var(--rb-violet-soft); color: var(--rb-violet); border-color: var(--rb-violet); }
.rb-chip[data-rb-skill].rb-on { background: var(--rb-cyan-soft); color: var(--rb-cyan); border-color: var(--rb-cyan); }
.rb-chip[data-rb-uc].rb-on { background: var(--rb-violet-soft); color: var(--rb-violet); border-color: var(--rb-violet); }

/* Toggle */
.rb-toggle { display: inline-flex; align-items: center; gap: 7px; padding: 5px 12px; border-radius: 14px; border: 1px solid var(--rb-line); background: transparent; color: var(--rb-muted); font-size: 11.5px; cursor: pointer; transition: all 0.2s; }
.rb-toggle.rb-on { background: var(--rb-cyan-soft); color: var(--rb-cyan); border-color: rgba(34,211,238,0.4); }
.rb-toggle::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--rb-muted-2); transition: background 0.2s; }
.rb-toggle.rb-on::before { background: var(--rb-cyan); }

/* Badge */
.rb-badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 10px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.rb-badge-green { background: var(--rb-green-soft); color: var(--rb-green); }
.rb-badge-amber { background: var(--rb-amber-soft); color: var(--rb-amber); }
.rb-badge-red { background: var(--rb-red-soft); color: var(--rb-red); }
.rb-badge-blue { background: var(--rb-blue-soft); color: var(--rb-blue); }
.rb-badge-cyan { background: var(--rb-cyan-soft); color: var(--rb-cyan); }
.rb-badge-violet { background: var(--rb-violet-soft); color: var(--rb-violet); }

/* Sim Label */
.rb-sim-label { display: inline-flex; align-items: center; gap: 7px; padding: 5px 14px; border-radius: var(--rb-r-2); background: var(--rb-cyan-soft); color: var(--rb-cyan); font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 14px; }
.rb-sim-label::before { content: '⚙'; font-size: 12px; }

/* Sections */
.rb-sec { padding: clamp(48px,8vh,80px) 5%; border-top: 1px solid var(--rb-line); }
.rb-sec-head { margin-bottom: 28px; }
.rb-sec-inner { max-width: 1200px; margin: 0 auto; }
.rb-sec--wide .rb-sec-inner { max-width: 1400px; }

/* Hero */
.rb-hero { position: relative; min-height: 88vh; display: flex; align-items: center; padding: 100px 5% 60px; background: linear-gradient(135deg, #0a0d12 0%, #12161e 40%, #181d28 100%); overflow: hidden; }
.rb-hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 70% 50% at 60% 40%, rgba(34,211,238,0.05) 0%, transparent 70%); pointer-events: none; }
.rb-hero-canvas-wrap { position: absolute; inset: 0; pointer-events: none; }
.rb-hero-canvas-wrap canvas { width: 100%; height: 100%; }
.rb-hero-content { position: relative; z-index: 2; max-width: 660px; }
.rb-hero-status { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-top: 28px; max-width: 580px; }
.rb-hero-status > div { padding: 8px 12px; border-radius: var(--rb-r-2); background: rgba(255,255,255,0.03); border: 1px solid var(--rb-line-2); }
.rb-hero-status > div span { display: block; font-size: 10.5px; color: var(--rb-muted-2); text-transform: uppercase; letter-spacing: 0.06em; }
.rb-hero-status > div b { display: block; font-size: 14px; color: var(--rb-cyan); font-weight: 600; }
.rb-hero-stats { display: grid; grid-template-columns: repeat(4, auto); gap: 10px 26px; margin-top: 24px; max-width: 580px; }
.rb-hero-stats b { display: block; font-size: 22px; font-weight: 800; color: var(--rb-text); font-variant-numeric: tabular-nums; line-height: 1; }
.rb-hero-stats span { font-size: 11.5px; color: var(--rb-muted-2); }
.rb-hero-cta { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }

/* Sim Panel */
.rb-sim { background: var(--rb-card); border: 1px solid var(--rb-line); border-radius: var(--rb-r); overflow: hidden; }
.rb-sim-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; border-bottom: 1px solid var(--rb-line); background: rgba(255,255,255,0.02); }
.rb-sim-head h3 { margin: 0; font-size: 16px; }
.rb-sim-body { padding: 20px; }
.rb-sim-split { display: grid; grid-template-columns: 340px 1fr; gap: 0; }
.rb-sim-ctrl { padding: 20px; border-right: 1px solid var(--rb-line); background: rgba(255,255,255,0.01); }
.rb-sim-out { padding: 20px; display: flex; flex-direction: column; gap: 16px; }

/* Sliders */
.rb-slider-group { margin-bottom: 14px; }
.rb-slider-label { display: flex; justify-content: space-between; align-items: baseline; font-size: 12px; color: var(--rb-text-2); margin-bottom: 5px; }
.rb-slider-val { font-size: 13px; font-weight: 700; font-variant-numeric: tabular-nums; color: var(--rb-text); min-width: 52px; text-align: right; }
.rb-slider { -webkit-appearance: none; appearance: none; width: 100%; height: 6px; border-radius: 3px; background: var(--rb-titanium); outline: none; cursor: pointer; }
.rb-slider::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%; background: var(--rb-cyan); border: 2px solid #fff; cursor: pointer; box-shadow: 0 1px 6px rgba(0,0,0,0.3); }
.rb-slider::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: var(--rb-cyan); border: 2px solid #fff; cursor: pointer; }
.rb-slider:focus-visible { outline: 2px solid var(--rb-cyan); outline-offset: 2px; }
.rb-slider--violet::-webkit-slider-thumb { background: var(--rb-violet); }
.rb-slider--violet::-moz-range-thumb { background: var(--rb-violet); }
.rb-slider--amber::-webkit-slider-thumb { background: var(--rb-amber); }
.rb-slider--amber::-moz-range-thumb { background: var(--rb-amber); }
.rb-slider--red::-webkit-slider-thumb { background: var(--rb-red); }
.rb-slider--red::-moz-range-thumb { background: var(--rb-red); }
.rb-slider--green::-webkit-slider-thumb { background: var(--rb-green); }
.rb-slider--green::-moz-range-thumb { background: var(--rb-green); }

/* Metrics */
.rb-metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.rb-metric { padding: 12px; border-radius: var(--rb-r-2); background: rgba(255,255,255,0.02); border: 1px solid var(--rb-line-2); }
.rb-metric-label { font-size: 10.5px; color: var(--rb-muted-2); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 4px; }
.rb-metric-val { font-size: 22px; font-weight: 800; font-variant-numeric: tabular-nums; line-height: 1; }
.rb-metric-unit { font-size: 11px; color: var(--rb-muted); font-weight: 500; margin-left: 3px; }
.rb-metric.rb-metric--cyan .rb-metric-val { color: var(--rb-cyan); }
.rb-metric.rb-metric--violet .rb-metric-val { color: var(--rb-violet); }
.rb-metric.rb-metric--amber .rb-metric-val { color: var(--rb-amber); }
.rb-metric.rb-metric--red .rb-metric-val { color: var(--rb-red); }
.rb-metric.rb-metric--green .rb-metric-val { color: var(--rb-green); }
.rb-metric.rb-metric--blue .rb-metric-val { color: var(--rb-blue); }

/* Canvas */
.rb-canvas { width: 100%; height: 180px; border-radius: var(--rb-r-2); border: 1px solid var(--rb-line-2); background: var(--rb-graphite); }
.rb-canvas-tall { height: 260px; }
.rb-canvas-square { aspect-ratio: 1; height: auto; max-height: 300px; }

/* Log */
.rb-log { max-height: 180px; overflow-y: auto; font-family: 'SF Mono', 'Fira Code', monospace; font-size: 11.5px; line-height: 1.6; padding: 10px 14px; background: rgba(0,0,0,0.25); border-radius: var(--rb-r-2); border: 1px solid var(--rb-line-2); }
.rb-log::-webkit-scrollbar { width: 4px; }
.rb-log::-webkit-scrollbar-thumb { background: var(--rb-titanium); border-radius: 2px; }
.rb-log-line { color: var(--rb-muted); }
.rb-log-line.rb-log-ok { color: var(--rb-green); }
.rb-log-line.rb-log-warn { color: var(--rb-amber); }
.rb-log-line.rb-log-bad { color: var(--rb-red); }

/* Validation layers */
.rb-val-layer { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: var(--rb-r-2); border: 1px solid var(--rb-line-2); background: rgba(255,255,255,0.01); font-size: 12.5px; transition: border-color 0.3s, background 0.3s; }
.rb-val-layer + .rb-val-layer { margin-top: 6px; }
.rb-val-icon { width: 18px; height: 18px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 10px; flex-shrink: 0; background: var(--rb-titanium); color: var(--rb-muted); }
.rb-val-layer.rb-val-pass .rb-val-icon { background: var(--rb-green-soft); color: var(--rb-green); }
.rb-val-layer.rb-val-pass { border-color: rgba(34,197,94,0.2); }
.rb-val-layer.rb-val-warn .rb-val-icon { background: var(--rb-amber-soft); color: var(--rb-amber); }
.rb-val-layer.rb-val-warn { border-color: rgba(245,158,11,0.2); }
.rb-val-layer.rb-val-fail .rb-val-icon { background: var(--rb-red-soft); color: var(--rb-red); }
.rb-val-layer.rb-val-fail { border-color: rgba(239,68,68,0.2); }
.rb-val-layer.rb-val-pending { opacity: 0.5; }
.rb-val-label { flex: 1; }
.rb-val-status { font-size: 11px; font-weight: 600; }

/* Architecture layers */
.rb-arch-layer { display: grid; grid-template-columns: 180px 1fr auto; align-items: center; gap: 16px; padding: 14px 18px; border-radius: var(--rb-r-2); border: 1px solid var(--rb-line-2); background: rgba(255,255,255,0.015); cursor: pointer; transition: all 0.25s; }
.rb-arch-layer:hover { background: rgba(255,255,255,0.03); border-color: rgba(255,255,255,0.1); }
.rb-arch-layer.rb-active { background: var(--rb-cyan-soft); border-color: var(--rb-cyan); }
.rb-arch-layer h3 { margin: 0; color: var(--rb-cyan); font-size: 13px; }
.rb-arch-layer p { margin: 0; font-size: 12.5px; color: var(--rb-text-2); }

/* Flow diagram */
.rb-flow { display: flex; align-items: center; gap: 6px; overflow-x: auto; padding: 10px 0; flex-wrap: wrap; justify-content: center; }
.rb-flow-node { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 10px 14px; border-radius: var(--rb-r-2); border: 1px solid var(--rb-line-2); background: var(--rb-graphite-2); font-size: 10.5px; font-weight: 600; color: var(--rb-text-2); min-width: 90px; text-align: center; transition: all 0.3s; }
.rb-flow-node.rb-active { border-color: var(--rb-cyan); background: var(--rb-cyan-soft); color: var(--rb-cyan); }
.rb-flow-arrow { color: var(--rb-muted-2); font-size: 14px; flex-shrink: 0; }

/* Agent grid */
.rb-agent-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
.rb-agent-card { padding: 12px; border-radius: var(--rb-r-2); border: 1px solid var(--rb-line-2); background: rgba(255,255,255,0.015); transition: all 0.2s; }
.rb-agent-card.rb-active { border-color: var(--rb-violet); background: var(--rb-violet-soft); }
.rb-agent-card h4 { margin: 0 0 4px; font-size: 12px; color: var(--rb-violet); }
.rb-agent-card p { margin: 0; font-size: 11px; color: var(--rb-muted); }

/* Console dashboard */
.rb-dash { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.rb-dash-wide { grid-column: span 2; }
.rb-dash-panel { padding: 16px; border-radius: var(--rb-r-2); border: 1px solid var(--rb-line-2); background: rgba(255,255,255,0.015); }
.rb-dash-panel h4 { margin: 0 0 10px; color: var(--rb-cyan); font-size: 11px; }
.rb-dash-big { font-size: 28px; font-weight: 800; font-variant-numeric: tabular-nums; line-height: 1; }

/* Twin component */
.rb-twin-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; }
.rb-twin-card { padding: 14px; border-radius: var(--rb-r-2); border: 1px solid var(--rb-line-2); background: rgba(255,255,255,0.015); cursor: pointer; transition: all 0.2s; }
.rb-twin-card:hover { border-color: rgba(255,255,255,0.1); }
.rb-twin-card.rb-active { border-color: var(--rb-cyan); background: var(--rb-cyan-soft); }
.rb-twin-card h4 { margin: 0 0 6px; font-size: 13px; }

/* Evidence chain */
.rb-evidence-chain { display: flex; flex-direction: column; gap: 0; }
.rb-evidence-node { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-left: 3px solid var(--rb-line); transition: all 0.3s; }
.rb-evidence-node + .rb-evidence-node { border-top: 1px solid var(--rb-line-2); }
.rb-evidence-node.rb-pass { border-left-color: var(--rb-green); }
.rb-evidence-node.rb-fail { border-left-color: var(--rb-red); }
.rb-evidence-node.rb-warn { border-left-color: var(--rb-amber); }

/* Use case grid */
.rb-uc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; }
.rb-uc-card { padding: 18px; border-radius: var(--rb-r); border: 1px solid var(--rb-line-2); background: rgba(255,255,255,0.015); cursor: pointer; transition: all 0.25s; }
.rb-uc-card:hover { border-color: rgba(255,255,255,0.12); }
.rb-uc-card.rb-active { border-color: var(--rb-cyan); background: var(--rb-cyan-soft); }
.rb-uc-card h4 { margin: 0 0 8px; font-size: 14px; }

/* Fleet grid map */
.rb-fleet-map { position: relative; width: 100%; height: 280px; border-radius: var(--rb-r-2); border: 1px solid var(--rb-line-2); background: var(--rb-graphite); overflow: hidden; }
.rb-fleet-map canvas { width: 100%; height: 100%; }

/* Skill library */
.rb-skill-card { padding: 14px; border-radius: var(--rb-r-2); border: 1px solid var(--rb-line-2); background: rgba(255,255,255,0.015); transition: all 0.2s; }
.rb-skill-card.rb-active { border-color: var(--rb-cyan); background: var(--rb-cyan-soft); }
.rb-skill-card h4 { margin: 0 0 6px; font-size: 13px; color: var(--rb-cyan); }

/* Animated flow line */
.rb-flow-line { position: relative; height: 3px; background: var(--rb-titanium); border-radius: 2px; overflow: hidden; }
.rb-flow-line::after { content: ''; position: absolute; top: 0; left: 0; width: 30%; height: 100%; background: var(--rb-grad); border-radius: 2px; animation: rbFlowLine 2s linear infinite; }
@keyframes rbFlowLine { 0% { transform: translateX(-100%); } 100% { transform: translateX(440%); } }

/* Reveal */
.rb-reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.55s ease, transform 0.55s ease; }
.rb-reveal.rb-visible { opacity: 1; transform: translateY(0); }

/* Animations */
@keyframes rbPulse { 0%,100% { opacity: 0.4; } 50% { opacity: 1; } }
@keyframes rbGlow { 0%,100% { filter: drop-shadow(0 0 3px var(--rb-cyan)); } 50% { filter: drop-shadow(0 0 10px var(--rb-cyan)); } }
@keyframes rbBlink { 0%,49% { opacity: 1; } 50%,100% { opacity: 0.3; } }
@keyframes rbSpin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
@keyframes rbScan { 0% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }
.rb-anim-pulse { animation: rbPulse 2s ease-in-out infinite; }
.rb-anim-glow { animation: rbGlow 2.5s ease-in-out infinite; }
.rb-anim-blink { animation: rbBlink 1.2s steps(1) infinite; }

/* Mobile menu */
.rb-mobile-menu { display: none; position: fixed; inset: 0; z-index: 200; background: var(--rb-black); padding: 80px 24px 32px; flex-direction: column; gap: 6px; overflow-y: auto; }
.rb-mobile-menu.rb-open { display: flex; }
.rb-mobile-menu a { display: block; padding: 12px 16px; border-radius: var(--rb-r-2); color: var(--rb-text-2); font-size: 15px; font-weight: 500; transition: background 0.2s; }
.rb-mobile-menu a:hover { background: rgba(255,255,255,0.05); color: var(--rb-text); text-decoration: none; }
.rb-mobile-close { position: absolute; top: 16px; right: 20px; background: none; border: none; color: var(--rb-text-2); font-size: 28px; cursor: pointer; padding: 8px; }
.rb-mobile-menu-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.5); display: none; }
.rb-mobile-menu.rb-open .rb-mobile-menu-backdrop { display: block; }

/* Sticky nav */
.rb-sticky { position: fixed; top: 0; left: 0; right: 0; z-index: 100; height: 56px; display: flex; align-items: center; padding: 0 5%; gap: 18px; background: transparent; border-bottom: 1px solid transparent; transition: background 0.3s, border-color 0.3s; }
.rb-sticky.rb-solid { background: rgba(10,13,18,0.95); backdrop-filter: blur(12px); border-bottom-color: var(--rb-line); }
.rb-sticky-brand { font-weight: 700; font-size: 15px; color: var(--rb-text); white-space: nowrap; }
.rb-sticky-brand span { color: var(--rb-cyan); font-weight: 500; }
.rb-sticky-nav { display: flex; gap: 4px; margin-left: 16px; overflow-x: auto; }
.rb-sticky-nav a { padding: 6px 12px; border-radius: 16px; font-size: 12.5px; font-weight: 500; color: var(--rb-muted); white-space: nowrap; transition: all 0.2s; text-decoration: none; }
.rb-sticky-nav a:hover { color: var(--rb-text); background: rgba(255,255,255,0.05); }
.rb-sticky-nav a.rb-active { color: var(--rb-cyan); background: var(--rb-cyan-soft); }
.rb-sticky-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.rb-burger { display: none; background: none; border: none; color: var(--rb-text-2); font-size: 22px; cursor: pointer; padding: 6px; }
.rb-skip { position: absolute; top: -60px; left: 16px; padding: 10px 18px; background: var(--rb-cyan); color: #fff; border-radius: var(--rb-r-2); font-weight: 600; z-index: 999; transition: top 0.2s; }
.rb-skip:focus { top: 10px; }

/* Perception grid overlay */
.rb-perception-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(34,211,238,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(34,211,238,0.03) 1px, transparent 1px); background-size: 30px 30px; pointer-events: none; }

/* Safety zone overlay */
.rb-safety-zone { position: absolute; border: 2px dashed var(--rb-amber); border-radius: var(--rb-r-2); background: rgba(245,158,11,0.05); pointer-events: none; transition: all 0.3s; }

/* Responsive */
@media (max-width: 1080px) {
  .rb-sim-split { grid-template-columns: 1fr; }
  .rb-sim-ctrl { border-right: none; border-bottom: 1px solid var(--rb-line); }
  .rb-arch-detail { grid-template-columns: 1fr; }
  .rb-sticky-nav { display: none; }
  .rb-burger { display: block; }
}
@media (max-width: 768px) {
  .rb-hero { min-height: 60vh; padding-top: 80px; }
  .rb-hero-status { grid-template-columns: 1fr 1fr; }
  .rb-hero-stats { grid-template-columns: 1fr 1fr; gap: 14px 18px; }
  .rb-metrics { grid-template-columns: repeat(2, 1fr); }
  .rb-dash { grid-template-columns: 1fr; }
  .rb-dash-wide { grid-column: span 1; }
  .rb-arch-layer { grid-template-columns: 1fr; gap: 8px; }
  .rb-uc-grid { grid-template-columns: 1fr; }
  .rb-twin-grid { grid-template-columns: 1fr 1fr; }
  .rb-agent-grid { grid-template-columns: 1fr 1fr; }
  .rb-fleet-map { height: 200px; }
}
@media (max-width: 520px) {
  .rb-hero-stats b { font-size: 18px; }
  .rb-metrics { grid-template-columns: 1fr; }
  .rb-metric-val { font-size: 18px; }
  .rb-twin-grid { grid-template-columns: 1fr; }
  .rb-hero-cta { flex-direction: column; }
  .rb-hero-cta .rb-btn { width: 100%; justify-content: center; }
  .rb-dash-big { font-size: 22px; }
  .rb-agent-grid { grid-template-columns: 1fr; }
  .rb-fleet-map { height: 180px; }
}
@media (prefers-reduced-motion: reduce) {
  .ainna-robotics-page *, .ainna-robotics-page *::before, .ainna-robotics-page *::after {
    animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important;
  }
  .rb-reveal { opacity: 1; transform: none; }
  .rb-flow-line::after { animation: none; }
}