:root {
  --bg: #0a0a0f;
  --bg-alt: #0f0f18;
  --bg-card: #11111c;
  --fg: #e8e8f0;
  --fg-dim: #7070a0;
  --accent: #00e5ff;
  --accent-dim: rgba(0, 229, 255, 0.15);
  --accent-green: #00c896;
  --border: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(0, 229, 255, 0.3);
  --font-mono: 'Space Mono', monospace;
  --font-body: 'Outfit', sans-serif;
  --radius: 6px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* GRID OVERLAY */
.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,229,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

/* NAVBAR */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--fg);
}

.logo-bracket { color: var(--accent); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-demo-link {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-decoration: none;
  padding: 6px 14px;
  border: 1px solid var(--border-accent);
  border-radius: 3px;
  background: var(--accent-dim);
  transition: background 0.15s;
}
.nav-demo-link:hover { background: rgba(0,229,255,0.22); }

.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* HERO */
.hero {
  position: relative;
  padding: 96px 48px 80px;
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 64px;
  align-items: center;
  max-width: 1200px;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero-headline {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--fg);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: 17px;
  color: var(--fg-dim);
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 6px 12px;
  border: 1px solid var(--border-accent);
  border-radius: 3px;
  color: var(--accent);
  background: var(--accent-dim);
  letter-spacing: 0.05em;
}

/* CIRCUIT ART */
.circuit-art {
  position: relative;
  width: 360px;
  height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.circuit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0, 229, 255, 0.15);
}

.ring-outer { width: 360px; height: 360px; }
.ring-mid { width: 240px; height: 240px; border-color: rgba(0, 229, 255, 0.25); }
.ring-inner { width: 140px; height: 140px; border-color: rgba(0, 229, 255, 0.4); }

.circuit-center {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.circuit-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-dim);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.circuit-count {
  font-family: var(--font-mono);
  font-size: 36px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.circuit-node {
  position: absolute;
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent);
}

.node-1 { top: 0; left: 50%; transform: translateX(-50%); }
.node-2 { bottom: 0; left: 50%; transform: translateX(-50%); }
.node-3 { left: 0; top: 50%; transform: translateY(-50%); }
.node-4 { right: 0; top: 50%; transform: translateY(-50%); }
.node-5 { top: 22%; right: 22%; }
.node-6 { bottom: 22%; left: 22%; }

.circuit-line {
  position: absolute;
  background: rgba(0, 229, 255, 0.15);
  transform-origin: 0 0;
}

.line-1 { width: 180px; height: 1px; top: 50%; left: 50%; transform: translateY(-50%); }
.line-2 { width: 1px; height: 180px; top: 50%; left: 50%; }
.line-3 { width: 120px; height: 1px; top: 22%; left: 28%; transform: rotate(-45deg); }
.line-4 { width: 120px; height: 1px; bottom: 22%; left: 28%; transform: rotate(45deg); }

/* HERO TICKER */
.hero-ticker {
  margin-top: 64px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 16px;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-dim);
  letter-spacing: 0.1em;
}

.ticker-item { white-space: nowrap; }
.ticker-sep { color: var(--accent); }

/* SECTION SHARED */
.section-header {
  margin-bottom: 48px;
}

.section-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.2em;
  display: block;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.section-sub {
  font-size: 15px;
  color: var(--fg-dim);
  margin-top: 12px;
  max-width: 500px;
}

.section-header-compact { margin-bottom: 32px; }
.section-title-small { font-size: 24px; }

/* QUANTUM ARCHITECTURE */
.quantum-arch {
  padding: 80px 48px;
  background: var(--bg-alt);
}

.arch-diagram {
  max-width: 1000px;
}

.arch-row {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.arch-layer {
  flex: 1;
  min-width: 160px;
}

.layer-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--fg-dim);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.layer-boxes {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.layer-boxes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.arch-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-dim);
  text-align: center;
  line-height: 1.4;
}

.arch-box-small {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-dim);
  text-align: center;
}

.qbox-highlight {
  border-color: var(--border-accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.arch-connector {
  display: flex;
  align-items: center;
  padding: 0 8px;
}

.connector-arrow {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--accent);
}

.arch-callout {
  margin-top: 32px;
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius);
  max-width: 600px;
}

.callout-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--accent-green);
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 8px;
}

.arch-callout p {
  font-size: 14px;
  color: var(--fg-dim);
  line-height: 1.6;
}

/* PLATFORM STATS */
.platform-stats {
  padding: 48px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}

.stat-card {
  flex: 1;
  min-width: 140px;
  text-align: center;
  padding: 24px 32px;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 13px;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: var(--font-mono);
  font-size: 11px;
}

.stat-divider {
  width: 1px;
  height: 64px;
  background: var(--border);
}

/* MODULES */
.modules {
  padding: 80px 48px;
  background: var(--bg-alt);
}

.modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.module-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.module-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
  display: inline-block;
  padding: 4px 8px;
  border-radius: 3px;
}

.qoe-tag { background: rgba(0, 200, 150, 0.15); color: #00c896; }
.sdk-tag { background: rgba(0, 100, 200, 0.15); color: #0096ff; }
.api-tag { background: rgba(150, 80, 255, 0.15); color: #a050ff; }
.wfl-tag { background: rgba(255, 160, 0, 0.15); color: #ffb000; }
.anl-tag { background: rgba(0, 229, 255, 0.15); color: #00e5ff; }
.ent-tag { background: rgba(0, 200, 150, 0.15); color: #00c896; }

.module-title {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
  line-height: 1.3;
}

.module-desc {
  font-size: 14px;
  color: var(--fg-dim);
  line-height: 1.6;
}

/* QPU LOGOS */
.qpu-logos {
  padding: 80px 48px;
  background: var(--bg);
}

.logos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  max-width: 900px;
}

.logo-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.logo-name {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--fg);
}

.logo-status {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
}

.connected { color: var(--accent-green); }
.beta { color: #ffb000; }

/* MISSION STATEMENT */
.mission-statement {
  padding: 96px 48px;
  background: var(--bg-alt);
}

.mission-content { max-width: 900px; }

.mission-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.2em;
  margin-bottom: 24px;
}

.mission-headline {
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--fg);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.mission-body {
  font-size: 16px;
  color: var(--fg-dim);
  line-height: 1.8;
  margin-bottom: 48px;
  max-width: 700px;
}

.mission-applications {
  display: flex;
  flex-direction: column;
  gap: 1px;
  border-top: 1px solid var(--border);
}

.app-item {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

.app-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  padding-top: 2px;
  min-width: 24px;
}

.app-name {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 4px;
}

.app-desc {
  font-size: 14px;
  color: var(--fg-dim);
  line-height: 1.6;
}

/* FOOTER */
.site-footer {
  padding: 48px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-top { margin-bottom: 32px; }

.footer-logo {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--fg-dim);
  font-style: italic;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-dim);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-sep { color: var(--accent); }

.footer-copy {
  font-size: 13px;
  color: var(--fg-dim);
  max-width: 400px;
  text-align: right;
}

/* Hero CTA link */
.hero-demo-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-decoration: none;
  padding: 10px 20px;
  border: 1px solid var(--border-accent);
  border-radius: var(--radius);
  background: var(--accent-dim);
  transition: background 0.15s;
}
.hero-demo-cta:hover { background: rgba(0,229,255,0.22); }
.hero-demo-cta-arrow { font-size: 14px; }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; }
  .hero-right { display: none; }
  .modules-grid { grid-template-columns: repeat(2, 1fr); }
  .logos-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-divider { display: none; }
  .narrative-grid { grid-template-columns: 1fr; }
  .routing-layout { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .navbar { padding: 16px 24px; }
  .hero { padding: 64px 24px 48px; }
  .modules, .quantum-arch, .platform-stats, .qpu-logos, .mission-statement { padding: 56px 24px; }
  .site-footer { padding: 40px 24px; }
  .modules-grid { grid-template-columns: 1fr; }
  .logos-grid { grid-template-columns: repeat(2, 1fr); }
  .arch-row { flex-direction: column; }
  .arch-connector { display: none; }
  .footer-bottom { flex-direction: column; }
  .footer-copy { text-align: left; }
  .demo-hero, .demo-section, .demo-cta { padding: 56px 24px; }
  .result-row { flex-direction: column; gap: 20px; }
  .result-divider { display: none; }
  .result-metric { padding: 0; }
  .code-body { font-size: 11px; padding: 20px 16px; }
  .cta-buttons { flex-direction: column; }
  .btn-primary, .btn-secondary { text-align: center; }
}