:root {
  --void: #000000;
  --ink: #f0f0fa;
  --mute: #a6b2c2;
  --dim: #6e7987;
  --cyan: #3d87a8;
  --cyan-glow: rgba(61, 135, 168, 0.25);
  --petro: #0b3c5d;
  --petro-dark: rgba(11, 60, 93, 0.4);
  --ghost: rgba(240, 240, 250, 0.07);
  --ghost-hover: rgba(240, 240, 250, 0.14);
  --line: rgba(240, 240, 250, 0.18);
  --line-strong: rgba(240, 240, 250, 0.35);
  --drop-red: #f87171;
  --drop-bg: rgba(239, 68, 68, 0.12);
  --allow-green: #4ade80;
  --allow-bg: rgba(74, 222, 128, 0.12);
}

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

html {
  scroll-behavior: smooth;
  background: var(--void);
}

body {
  background: var(--void);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

#void {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  width: 100vw;
  height: 100vh;
}

.nav, main, footer {
  position: relative;
  z-index: 1;
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 18px 40px;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(240, 240, 250, 0.1);
  z-index: 100;
}

.wordmark {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 700;
  letter-spacing: 0.38em;
  font-size: 16px;
  color: var(--ink);
  text-decoration: none;
  transition: opacity 0.2s ease;
  white-space: nowrap;
}

.wordmark:hover {
  opacity: 0.85;
}

.nav nav {
  display: flex;
  gap: 20px;
  margin-left: auto;
  align-items: center;
}

.nav nav a {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  opacity: 0.72;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.nav nav a:hover {
  opacity: 1;
  color: var(--cyan);
}

.ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--line-strong);
  background: var(--ghost);
  padding: 10px 18px;
  border-radius: 4px;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  cursor: pointer;
  white-space: nowrap;
}

.ghost:hover {
  background: var(--ghost-hover);
  border-color: var(--ink);
  color: #ffffff;
}

.ghost.primary {
  background: var(--petro);
  border-color: var(--cyan);
  color: #ffffff;
}

.ghost.primary:hover {
  background: #0f4f7a;
  border-color: #5bb3dc;
}

.ghost.lg {
  padding: 14px 26px;
  font-size: 15px;
  letter-spacing: 0.16em;
}

.nav-cta {
  padding: 9px 16px;
  font-size: 12px;
}

/* --------------------------------------------------------------------------
   Typography & Base Layout
   -------------------------------------------------------------------------- */
.scene {
  padding: 120px 8vw 100px;
  max-width: 1200px;
  margin: 0 auto;
  min-height: auto;
  position: relative;
}

.stencil {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 16px;
}

h1, h2 {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.02;
  color: var(--ink);
}

h1 {
  font-size: clamp(40px, 6.8vw, 84px);
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(30px, 4.4vw, 56px);
  margin-bottom: 24px;
}

h3 {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 17px;
  color: var(--ink);
  margin-bottom: 10px;
}

.deck {
  max-width: 820px;
  font-size: 18px;
  line-height: 1.6;
  color: var(--mute);
  margin-bottom: 16px;
}

.subdeck {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 20px 0 28px;
}

.cite {
  font-size: 13px;
  line-height: 1.6;
  color: var(--dim);
  margin-top: 24px;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9em;
  background: rgba(240, 240, 250, 0.08);
  padding: 2px 6px;
  border-radius: 3px;
  color: #c9d5e8;
}

/* --------------------------------------------------------------------------
   00 Hero Section
   -------------------------------------------------------------------------- */
.hero {
  padding-top: 22vh;
  padding-bottom: 120px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 36px;
  margin-bottom: 0;
}

.value-points {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  max-width: 42rem;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.value-points li {
  color: var(--mute);
  font-size: 17px;
  line-height: 1.45;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
}

.value-points strong {
  color: var(--ink);
  font-weight: 600;
}

.hero .deck {
  max-width: 38rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  border-top: 1px solid var(--line);
  padding-top: 32px;
  margin-top: 20px;
}

.stat-pill {
  border-left: 2px solid var(--cyan);
  padding-left: 14px;
}

.stat-label {
  display: block;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 4px;
}

.stat-val {
  display: block;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
}

/* --------------------------------------------------------------------------
   01 For the Owner (CEO block)
   -------------------------------------------------------------------------- */
.ceo-block {
  margin-top: 28px;
}

.ceo-lead {
  margin-bottom: 36px;
}

.ceo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 24px;
}

.ceo-card {
  border: 1px solid var(--line);
  background: rgba(10, 20, 30, 0.45);
  padding: 30px;
  border-radius: 4px;
}

.ceo-card h3 {
  color: var(--cyan);
  font-size: 18px;
  letter-spacing: 0.14em;
  margin-bottom: 12px;
}

.ceo-card p {
  color: var(--mute);
  font-size: 16px;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   02 Encapsulation & Interactive Simulator
   -------------------------------------------------------------------------- */
.encap-intro { margin-bottom: 28px; }
.diagram {
  margin: 8px 0 36px;
  max-width: 1200px;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: #05080c;
}
.diagram img {
  display: block;
  width: 100%;
  height: auto;
}

.honest-quote {
  border-left: 3px solid var(--cyan);
  padding-left: 18px;
  margin: 20px 0;
  color: var(--ink);
  font-weight: 500;
}

.note-text {
  font-size: 15px;
  color: var(--mute);
}

.demo {
  margin-top: 32px;
  border: 1px solid var(--line);
  background: rgba(7, 14, 22, 0.7);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.6);
}

.demo-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  background: rgba(11, 60, 93, 0.35);
  border-bottom: 1px solid var(--line);
}

.demo-title {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}

.demo-badge {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  padding: 3px 8px;
  border-radius: 2px;
}

.demo-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  padding: 24px;
  border-bottom: 1px solid var(--line);
}

.demo-source {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.demo-targets {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.node {
  border: 1px solid var(--line);
  padding: 16px 18px;
  background: rgba(10, 22, 32, 0.5);
  border-radius: 4px;
  transition: all 0.25s ease;
  position: relative;
}

.node strong {
  display: block;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin: 4px 0 2px;
}

.node small {
  display: block;
  font-size: 12px;
  font-family: ui-monospace, SFMono-Regular, monospace;
  color: var(--mute);
}

.node-tag {
  display: inline-block;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.node-status {
  display: inline-block;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  padding: 2px 6px;
  border-radius: 2px;
  margin-bottom: 4px;
}

.node-status.drop {
  color: var(--drop-red);
  background: var(--drop-bg);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.node-status.allow {
  color: var(--allow-green);
  background: var(--allow-bg);
  border: 1px solid rgba(74, 222, 128, 0.3);
}

.source-node {
  border-color: var(--cyan);
  background: rgba(11, 60, 93, 0.2);
}

.source-node.active {
  border-color: #5eb6df;
  box-shadow: 0 0 16px var(--cyan-glow);
}

.node.ok {
  border-color: rgba(61, 135, 168, 0.4);
}

.node.mute {
  border-color: rgba(240, 240, 250, 0.12);
}

.node.hit-ok {
  border-color: var(--allow-green);
  background: rgba(74, 222, 128, 0.08);
  box-shadow: 0 0 18px rgba(74, 222, 128, 0.2);
}

.node.hit-drop {
  border-color: var(--drop-red);
  background: rgba(239, 68, 68, 0.08);
  box-shadow: 0 0 18px rgba(239, 68, 68, 0.2);
}

.demo-controls {
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
}

.controls-label {
  display: block;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
  margin-bottom: 12px;
}

.demo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.demo-actions button {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--ghost);
  border: 1px solid var(--line-strong);
  padding: 10px 16px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.demo-actions button:hover {
  background: var(--ghost-hover);
  border-color: var(--cyan);
}

.demo-actions button.is-active {
  background: rgba(61, 135, 168, 0.25);
  border-color: var(--cyan);
  color: #ffffff;
}

.term-window {
  background: #020609;
}

.term-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  background: rgba(15, 23, 42, 0.7);
  border-bottom: 1px solid rgba(240, 240, 250, 0.08);
}

.term-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(240, 240, 250, 0.25);
}

.term-title {
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-size: 11px;
  color: var(--dim);
  margin-left: 8px;
  letter-spacing: 0.05em;
}

.demo-log {
  padding: 18px 24px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  line-height: 1.7;
  color: #c8d6e5;
  min-height: 100px;
  white-space: pre-wrap;
  word-break: break-all;
}

/* --------------------------------------------------------------------------
   03 Fleet Section
   -------------------------------------------------------------------------- */
.tri-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.tri-card {
  border: 1px solid var(--line);
  background: rgba(10, 20, 30, 0.45);
  padding: 30px;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
}

.tri-num {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--cyan);
  margin-bottom: 14px;
}

.tri-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.tri-card p {
  color: var(--mute);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.tri-list {
  list-style: none;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.tri-list li {
  font-size: 13px;
  color: var(--ink);
  line-height: 1.5;
  margin-bottom: 8px;
  position: relative;
  padding-left: 16px;
}

.tri-list li::before {
  content: "▪";
  position: absolute;
  left: 0;
  color: var(--cyan);
}

/* --------------------------------------------------------------------------
   04 Self-contained product
   -------------------------------------------------------------------------- */
.split-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  border: 1px solid var(--line);
  background: rgba(10, 20, 30, 0.45);
  padding: 36px;
  border-radius: 4px;
  margin-top: 32px;
}

.box-col h3 {
  color: var(--cyan);
  font-size: 19px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.feature-list {
  list-style: none;
}

.feature-list li {
  font-size: 15px;
  color: var(--mute);
  margin-bottom: 14px;
  line-height: 1.6;
}

.feature-list li strong {
  color: var(--ink);
}

.quiet-note {
  font-size: 13px;
  color: var(--dim);
  font-style: italic;
  margin-top: 24px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

/* --------------------------------------------------------------------------
   05 Knowledge plane
   -------------------------------------------------------------------------- */
.quad-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 32px;
}

.quad-card {
  border: 1px solid var(--line);
  background: rgba(10, 20, 30, 0.45);
  padding: 28px;
  border-radius: 4px;
}

.quad-card h3 {
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 10px;
}

.quad-card p {
  color: var(--mute);
  font-size: 15px;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   06 Skills pack
   -------------------------------------------------------------------------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.skill-card {
  border: 1px solid var(--line);
  background: rgba(10, 20, 30, 0.4);
  padding: 20px 22px;
  border-radius: 4px;
}

.skill-name {
  display: block;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 6px;
}
.skill-card code {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 11px;
  color: var(--cyan);
}

.skill-desc {
  font-size: 14px;
  color: var(--mute);
  line-height: 1.5;
}

.skills-footer {
  margin-top: 28px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

/* --------------------------------------------------------------------------
   07 Install Wizard
   -------------------------------------------------------------------------- */
.steps-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 32px 0 36px;
}

.steps-list li {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  border: 1px solid var(--line);
  background: rgba(10, 20, 30, 0.4);
  padding: 18px 24px;
  border-radius: 4px;
}

.step-num {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--cyan);
  min-width: 32px;
}

.step-body strong {
  display: block;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin-bottom: 4px;
}

.step-body p {
  font-size: 14px;
  color: var(--mute);
  line-height: 1.5;
}

.fleet-terminal {
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 24px;
}

.fleet-code {
  padding: 20px 24px;
  background: #020609;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  line-height: 1.6;
  color: #7dd3fc;
  overflow-x: auto;
}

.it-ownership {
  font-size: 15px;
  border-left: 2px solid var(--cyan);
  padding-left: 16px;
}

/* --------------------------------------------------------------------------
   08 Why Now / Productivity
   -------------------------------------------------------------------------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 36px 0;
}

.stat-card {
  border: 1px solid var(--line);
  background: rgba(10, 20, 30, 0.45);
  padding: 26px 20px;
  border-radius: 4px;
}

.stat-big {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 40px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
  margin-bottom: 12px;
}

.stat-title {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink);
  margin-bottom: 8px;
}

.stat-desc {
  font-size: 13px;
  color: var(--mute);
  line-height: 1.5;
}

.gain-synthesis {
  border-top: 1px solid var(--line);
  padding-top: 28px;
}

/* --------------------------------------------------------------------------
   09 Commissioning
   -------------------------------------------------------------------------- */
.comm-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.comm-card {
  border: 1px solid var(--line);
  background: rgba(10, 20, 30, 0.45);
  padding: 28px;
  border-radius: 4px;
}

.comm-step {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--cyan);
  display: block;
  margin-bottom: 10px;
}

.comm-card h3 {
  font-size: 19px;
  margin-bottom: 10px;
}

.comm-card p {
  font-size: 15px;
  color: var(--mute);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   10 Talk
   -------------------------------------------------------------------------- */
.talk-cta {
  margin-top: 32px;
}

.direct-mail {
  font-size: 14px;
  color: var(--dim);
  margin-top: 18px;
}

.direct-mail a {
  color: var(--mute);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.direct-mail a:hover {
  color: var(--cyan);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  padding: 36px 40px 48px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dim);
  border-top: 1px solid rgba(240, 240, 250, 0.1);
  background: rgba(0, 0, 0, 0.95);
}

footer strong {
  color: var(--ink);
}

.footer-left {
  font-weight: 500;
}

.footer-center {
  color: var(--mute);
  text-align: center;
}

.footer-right {
  color: var(--dim);
}

/* --------------------------------------------------------------------------
   Responsive Rules
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 860px) {
  .nav nav {
    display: none;
  }
  .scene {
    padding: 100px 6vw 70px;
  }
  .hero {
    padding-top: 18vh;
  }
  .demo-layout {
    grid-template-columns: 1fr;
  }
  .demo-targets {
    grid-template-columns: 1fr;
  }
  .tri-grid {
    grid-template-columns: 1fr;
  }
  .split-box {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 24px;
  }
  .quad-grid {
    grid-template-columns: 1fr;
  }
  .skills-grid {
    grid-template-columns: 1fr;
  }
  .comm-grid {
    grid-template-columns: 1fr;
  }
  .ceo-grid {
    grid-template-columns: 1fr;
  }
  footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

@media (max-width: 600px) {
  .nav {
    padding: 16px 20px;
  }
  .hero-stats {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .demo-actions {
    flex-direction: column;
  }
  .demo-actions button {
    width: 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .node, .ghost, .demo-actions button {
    transition: none !important;
  }
}

/* --------------------------------------------------------------------------
   Dual Edition & Commercial Styles
   -------------------------------------------------------------------------- */
.edition-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin: 40px 0;
}

.edition-card {
  background: rgba(240, 240, 250, 0.03);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 36px 32px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.edition-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
}

.edition-card.featured {
  border-color: var(--cyan);
  background: rgba(11, 60, 93, 0.25);
  box-shadow: 0 0 24px var(--cyan-glow);
}

.edition-badge {
  display: inline-block;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 4px;
  margin-bottom: 20px;
  width: fit-content;
}

.edition-badge.biz {
  background: rgba(74, 222, 128, 0.15);
  color: var(--allow-green);
  border: 1px solid rgba(74, 222, 128, 0.3);
}

.edition-badge.sov {
  background: rgba(61, 135, 168, 0.2);
  color: #7dd3fc;
  border: 1px solid rgba(61, 135, 168, 0.4);
}

.edition-features {
  list-style: none;
  margin: 24px 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex-grow: 1;
}

.edition-features li {
  font-size: 15px;
  color: var(--mute);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
}

.edition-features li strong {
  color: var(--ink);
}

.edition-features li::before {
  content: "→";
  color: var(--cyan);
  font-weight: bold;
}

.channel-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  background: rgba(240, 240, 250, 0.06);
  border: 1px solid var(--line);
  padding: 4px 10px;
  border-radius: 4px;
  margin: 4px 4px 4px 0;
  color: var(--ink);
}

.pricing-note {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 13px;
  color: var(--dim);
}

@media (max-width: 900px) {
  .edition-grid {
    grid-template-columns: 1fr;
  }
}