/* ============================================================
   BMW × 365 — Shared Design System
   Palette: BMW Blue × Orbit canonical (Purple → Rose → Orange)
   Orbit reference: workflow.orbit365.ai
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;600&display=swap');

/* ── DESIGN TOKENS ───────────────────────────────────────── */
:root {
  /* Backgrounds — Orbit deep premium black */
  --bg:           #0F1118;
  --bg2:          #101828;
  --bg3:          #1e2939;

  /* BMW Blues */
  --bmw-blue:        #0066B1;   /* Classic BMW */
  --bmw-blue-light:  #1C69D4;   /* BMW M light blue */
  --bmw-blue-dark:   #0653B6;   /* BMW M dark blue */

  /* Orbit canonical palette (workflow.orbit365.ai) */
  --orbit-purple:        #92248e;
  --orbit-purple-light:  #b83ab3;
  --orbit-rose:          #a6025c;
  --orbit-orange:        #fe4a00;   /* canonical Orbit orange */
  --orbit-orange-light:  #ff6b2b;
  --orbit-orange-dark:   #d63d00;

  /* BMW M Red — sparingly (alerts, live indicators) */
  --bmw-red:      #E22718;

  /* Neutrals — Tailwind gray anchors used in Orbit site */
  --text:         #e5e7eb;
  --text-dim:     #9ca3af;
  --text-bright:  #f3f4f6;
  --text-faint:   #6b7280;

  /* Glass UI */
  --glass:        rgba(255,255,255,0.04);
  --glass-border: rgba(255,255,255,0.08);
  --glass-strong: rgba(255,255,255,0.07);

  /* Status */
  --green: #00bb7f;
  --amber: #f99c00;

  /* Brand gradients */
  /* BMW × Orbit mashup — primary signature (blue → purple → orange) */
  --grad-primary: linear-gradient(135deg, var(--bmw-blue) 0%, var(--orbit-purple) 55%, var(--orbit-orange) 100%);
  /* Orbit fingerprint — purple → rose → orange */
  --grad-orbit:   linear-gradient(90deg, var(--orbit-purple) 0%, var(--orbit-rose) 50%, var(--orbit-orange) 100%);
  /* BMW fingerprint */
  --grad-bmw:     linear-gradient(135deg, var(--bmw-blue-dark), var(--bmw-blue), var(--bmw-blue-light));
  /* Subtle background glow */
  --grad-subtle:  radial-gradient(circle at top, rgba(146,36,142,0.15), transparent 70%);
  --grad-border:  linear-gradient(135deg, var(--bmw-blue), var(--orbit-purple), var(--orbit-orange));

  /* Shadows */
  --shadow-blue:   0 8px 40px rgba(0,102,177,0.25);
  --shadow-purple: 0 8px 40px rgba(146,36,142,0.25);
  --shadow-orange: 0 8px 40px rgba(254,74,0,0.25);
}

/* ── BASE RESET ──────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ── TYPOGRAPHY ──────────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  color: var(--text-bright);
  line-height: 1.15;
  font-weight: 700;
}

.mono { font-family: 'JetBrains Mono', monospace; }

.grad-text {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bmw-text {
  background: linear-gradient(135deg, var(--bmw-blue), var(--bmw-blue-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.orange-text {
  background: linear-gradient(135deg, var(--orbit-orange), var(--orbit-orange-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.orbit-text {
  background: var(--grad-orbit);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.purple-text {
  background: linear-gradient(135deg, var(--orbit-purple), var(--orbit-purple-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── PASSWORD GATE ───────────────────────────────────────── */
#gate {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity .6s, visibility .6s;
}
#gate.hidden { opacity: 0; visibility: hidden; pointer-events: none; display: none; }

.gate-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 50%, rgba(0,102,177,0.18), transparent 55%),
    radial-gradient(circle at 70% 50%, rgba(254,74,0,0.12), transparent 55%);
}

.gate-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 40px 20px;
}

.gate-badge {
  display: inline-block;
  padding: 6px 18px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  font-size: .65rem;
  letter-spacing: 4px;
  color: var(--orbit-orange);
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 1.5rem;
  font-family: 'JetBrains Mono', monospace;
}

.gate-content h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 6px;
}

.gate-content p {
  color: var(--text-dim);
  margin-bottom: 2.5rem;
  font-size: 1rem;
  letter-spacing: 1px;
}

#gate input {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  padding: 14px 28px;
  border-radius: 12px;
  color: var(--text-bright);
  font-size: 1.1rem;
  font-family: inherit;
  width: 300px;
  text-align: center;
  outline: none;
  transition: border-color .3s;
  letter-spacing: 3px;
}

#gate input:focus { border-color: var(--bmw-blue-light); }

#gate button {
  display: block;
  margin: 14px auto 0;
  padding: 14px 48px;
  background: var(--grad-primary);
  border: none;
  border-radius: 12px;
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: transform .2s, box-shadow .3s;
  letter-spacing: 1px;
}

#gate button:hover {
  transform: scale(1.04);
  box-shadow: 0 0 30px rgba(0,102,177,.4);
}

.gate-err {
  color: var(--bmw-red);
  font-size: .8rem;
  margin-top: 10px;
  opacity: 0;
  transition: opacity .3s;
}
.gate-err.show { opacity: 1; }

/* ── NAV ─────────────────────────────────────────────────── */
nav.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 500;
  padding: 14px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  background: rgba(6,6,11,.8);
}

nav.main-nav .nav-logo {
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
}

nav.main-nav .nav-links {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}

nav.main-nav .nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 6px;
  transition: color .2s, background .2s;
}

nav.main-nav .nav-links a:hover,
nav.main-nav .nav-links a.active {
  color: var(--text-bright);
  background: var(--glass);
}

nav.main-nav .nav-links a.active {
  color: var(--orbit-orange-light);
}

@media (max-width: 768px) {
  nav.main-nav { padding: 12px 16px; }
  nav.main-nav .nav-links { gap: 2px; }
  nav.main-nav .nav-links a { font-size: .62rem; padding: 5px 8px; }
}

/* ── LAYOUT ──────────────────────────────────────────────── */
.page-wrap { padding-top: 64px; }

section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 60px;
}

.container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

@media (max-width: 768px) {
  section { padding: 80px 24px; }
}

/* ── SECTION HEADER ──────────────────────────────────────── */
.section-label {
  text-transform: uppercase;
  letter-spacing: 4px;
  font-size: .68rem;
  color: var(--orbit-orange);
  font-weight: 600;
  margin-bottom: .75rem;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
}

.section-label .num {
  color: var(--bmw-blue-light);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  margin-bottom: 1.25rem;
  line-height: 1.1;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-dim);
  max-width: 700px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

/* ── GLASS CARDS ─────────────────────────────────────────── */
.card {
  background: var(--glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 28px;
  transition: transform .3s, border-color .3s, box-shadow .3s;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,102,177,.4);
  box-shadow: var(--shadow-blue);
}

.card-grad-border {
  position: relative;
  border-radius: 16px;
}

.card-grad-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 16px;
  padding: 1px;
  background: var(--grad-primary);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity .3s;
}

.card-grad-border:hover::before { opacity: 1; }

/* ── TILES (large link tiles) ────────────────────────────── */
.tile {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 40px 32px;
  text-decoration: none;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform .3s, border-color .3s, box-shadow .3s;
  position: relative;
  overflow: hidden;
}

.tile::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  padding: 1px;
  background: var(--grad-primary);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity .4s;
}

.tile:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-blue);
}

.tile:hover::before { opacity: 1; }

.tile .tile-icon {
  font-size: 2rem;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-strong);
  border-radius: 14px;
  border: 1px solid var(--glass-border);
}

.tile .tile-label {
  font-size: .65rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
}

.tile h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-bright);
}

.tile p {
  font-size: .9rem;
  color: var(--text-dim);
  line-height: 1.6;
  flex: 1;
}

.tile .tile-arrow {
  font-size: 1.1rem;
  color: var(--orbit-orange);
  margin-top: auto;
  transition: transform .3s;
}

.tile:hover .tile-arrow { transform: translateX(4px); }

/* ── BUTTONS ─────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--grad-primary);
  border: none;
  border-radius: 12px;
  color: white;
  font-family: inherit;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform .2s, box-shadow .3s;
  letter-spacing: .5px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,102,177,.35);
}

.btn-glass {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  color: var(--text);
  font-family: inherit;
  font-size: .9rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: border-color .2s, background .2s, transform .2s;
}

.btn-glass:hover {
  border-color: var(--bmw-blue-light);
  background: rgba(0,102,177,.08);
  transform: translateY(-2px);
  color: var(--text-bright);
}

/* ── PLAY BUTTON ─────────────────────────────────────────── */
.play-script {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--bmw-blue);
  border: 2px solid transparent;
  color: white;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color .3s, background .3s, transform .2s;
  flex-shrink: 0;
}

.play-script:hover {
  border-color: var(--orbit-orange);
  background: var(--bmw-blue-light);
  transform: scale(1.08);
}

.play-script.playing {
  animation: playPulse 1.5s ease-in-out infinite;
}

@keyframes playPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,102,177,.5); }
  50% { box-shadow: 0 0 0 12px rgba(0,102,177,0); }
}

/* ── GRIDS ───────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }

/* ── STATUS INDICATORS ───────────────────────────────────── */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  display: inline-block;
  animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .5; }
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-family: 'JetBrains Mono', monospace;
}

.status-badge.active {
  background: rgba(34,197,94,.12);
  color: var(--green);
  border: 1px solid rgba(34,197,94,.3);
}

.status-badge.live {
  background: rgba(0,102,177,.12);
  color: var(--bmw-blue-light);
  border: 1px solid rgba(28,105,212,.3);
}

.status-badge.ready {
  background: rgba(254,74,0,.12);
  color: var(--orbit-orange-light);
  border: 1px solid rgba(254,74,0,.3);
}

/* ── DIVIDERS ────────────────────────────────────────────── */
.grad-divider {
  height: 1px;
  background: var(--grad-primary);
  opacity: .3;
  margin: 0;
}

/* ── REVEAL ANIMATION ────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* ── FOOTER ──────────────────────────────────────────────── */
footer.site-footer {
  text-align: center;
  padding: 32px 24px;
  color: var(--text-dim);
  font-size: .72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-top: 1px solid var(--glass-border);
  font-family: 'JetBrains Mono', monospace;
}

/* ── BACK NAV (sim pages) ────────────────────────────────── */
.back-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 500;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  background: rgba(6,6,11,.85);
}

.back-nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: .75rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 500;
  transition: color .2s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.back-nav a:hover { color: var(--orbit-orange); }

.back-nav .page-title {
  margin-left: auto;
  font-size: .72rem;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ── SIM PAGES ───────────────────────────────────────────── */
.sim-hero {
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 40px 60px;
  position: relative;
}

.sim-hero .sim-badge {
  display: inline-block;
  padding: 6px 18px;
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  font-size: .65rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 24px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-dim);
}

.sim-hero h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  margin-bottom: 20px;
}

.sim-hero p {
  font-size: 1.1rem;
  color: var(--text-dim);
  max-width: 600px;
  margin-bottom: 32px;
  line-height: 1.7;
}

.sim-run-btn {
  padding: 16px 48px;
  background: var(--grad-primary);
  border: none;
  border-radius: 14px;
  color: white;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  letter-spacing: 1px;
  transition: transform .2s, box-shadow .3s;
}

.sim-run-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0,102,177,.4);
}

.sim-run-btn:disabled {
  opacity: .5;
  cursor: not-allowed;
  transform: none;
}

/* ── STEP CONTAINERS ─────────────────────────────────────── */
.sim-step {
  padding: 80px 40px;
  max-width: 1100px;
  margin: 0 auto;
}

.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--grad-primary);
  color: white;
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.step-header h2 {
  font-size: 1.8rem;
}

/* ── PROGRESS BARS ───────────────────────────────────────── */
.progress-bar {
  height: 6px;
  background: rgba(255,255,255,.06);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--grad-primary);
  transition: width 1.5s ease;
}

/* ── METRIC TILES ────────────────────────────────────────── */
.metric-tile {
  text-align: center;
  padding: 24px 16px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
}

.metric-tile .metric-value {
  font-size: 2rem;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.metric-tile .metric-label {
  font-size: .72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-top: 6px;
}

/* ── TIMELINE / LOG ──────────────────────────────────────── */
.sim-log {
  background: var(--bg2);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: .78rem;
  max-height: 320px;
  overflow-y: auto;
}

.log-entry {
  display: flex;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,.03);
  opacity: 0;
  transform: translateX(-12px);
  transition: opacity .4s ease, transform .4s ease;
}

.log-entry.show { opacity: 1; transform: translateX(0); }

.log-entry .log-time { color: var(--text-dim); flex-shrink: 0; }
.log-entry .log-agent { color: var(--bmw-blue-light); flex-shrink: 0; min-width: 60px; }
.log-entry .log-msg { color: var(--text); }
.log-entry.success .log-msg { color: var(--green); }
.log-entry.warning .log-msg { color: var(--amber); }
.log-entry.error .log-msg { color: var(--bmw-red); }

/* ── AGENT CARDS ─────────────────────────────────────────── */
.agent-card {
  padding: 28px;
  border-radius: 16px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  position: relative;
  overflow: hidden;
  transition: transform .3s, box-shadow .3s, border-color .3s;
}

.agent-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-blue);
  border-color: rgba(0,102,177,.3);
}

.agent-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-primary);
  opacity: 0;
  transition: opacity .3s;
}

.agent-card:hover::after { opacity: 1; }

.agent-emoji { font-size: 2.5rem; margin-bottom: 14px; }

.agent-card h4 {
  font-size: 1.1rem;
  color: var(--text-bright);
  margin-bottom: 4px;
}

.agent-card .agent-role {
  font-size: .72rem;
  color: var(--bmw-blue-light);
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.agent-card p {
  font-size: .88rem;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ── SCROLL BAR ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: rgba(0,102,177,.4); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--bmw-blue); }

/* ── BG EFFECTS ──────────────────────────────────────────── */
.bg-glow-blue {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,102,177,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.bg-glow-orange {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(254,74,0,0.08) 0%, transparent 70%);
  pointer-events: none;
}

/* ── PARTICLE CANVAS LAYERING ────────────────────────────── */
/* Shared particle canvas sits behind everything. Make all
   page content sit above it so it's visible. Excludes #gate
   (must stay position:fixed so it overlays, not pushes). */
#bmw365ParticleCanvas { z-index: 0 !important; }
body > *:not(#bmw365ParticleCanvas):not(#gate):not(script):not(style) {
  position: relative;
  z-index: 1;
}

/* ── SECTION RAIL UTILITY (story.html pattern, extended) ── */
/* A 3px coloured stripe down the left edge of any section.
   Wrap the section with class="has-rail rail-X". */
.has-rail { position: relative; }
.has-rail::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  z-index: 2;
  pointer-events: none;
}
.rail-bmw::before     { background: var(--bmw-blue); }
.rail-bmw-light::before { background: var(--bmw-blue-light); }
.rail-orbit::before   { background: var(--grad-orbit); }
.rail-orange::before  { background: var(--orbit-orange); }
.rail-purple::before  { background: var(--orbit-purple); }
.rail-rose::before    { background: var(--orbit-rose); }
.rail-mashup::before  { background: var(--grad-primary); }                            /* BMW × Orbit */
.rail-blue-to-orange::before { background: linear-gradient(to bottom, var(--bmw-blue), var(--orbit-orange)); }
.rail-blue-to-purple::before { background: linear-gradient(to bottom, var(--bmw-blue), var(--orbit-purple)); }
.rail-purple-to-orange::before { background: linear-gradient(to bottom, var(--orbit-purple), var(--orbit-orange)); }

/* ── PAGE RAIL (fixed left-edge stripe, per-page accent) ── */
/* Wrap each main page body with class="page-rail page-rail-X" 
   to get a 3px fixed colour stripe down the left edge. */
body.page-rail::after {
  content: '';
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  z-index: 100;
  pointer-events: none;
}
body.page-rail-bmw::after      { background: var(--bmw-blue); }
body.page-rail-bmw-light::after { background: var(--bmw-blue-light); }
body.page-rail-orange::after   { background: var(--orbit-orange); }
body.page-rail-purple::after   { background: var(--orbit-purple); }
body.page-rail-rose::after     { background: var(--orbit-rose); }
body.page-rail-orbit::after    { background: var(--grad-orbit); }
body.page-rail-mashup::after   { background: var(--grad-primary); }
body.page-rail-blue-to-orange::after  { background: linear-gradient(to bottom, var(--bmw-blue), var(--orbit-orange)); }
body.page-rail-blue-to-purple::after  { background: linear-gradient(to bottom, var(--bmw-blue), var(--orbit-purple)); }
body.page-rail-purple-to-orange::after { background: linear-gradient(to bottom, var(--orbit-purple), var(--orbit-orange)); }
body.page-rail-bmw-stack::after { background: linear-gradient(to bottom, var(--bmw-blue-dark), var(--bmw-blue), var(--bmw-blue-light)); }