:root {
  --bg: #0c0e14;
  --bg-2: #12151d;
  --bg-3: #1a1e2a;
  --surface: #1e2330;
  --border: #2a3045;
  --accent: #3d8eff;
  --accent-dim: rgba(61, 142, 255, 0.12);
  --amber: #f5a623;
  --text: #e8edf5;
  --text-2: #8892a8;
  --text-3: #5a6480;
  --green: #3ecf8e;
  --red: #ff5f5f;
  --yellow: #f5c842;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(12, 14, 20, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.3px;
  color: var(--text);
}
.nav-tagline {
  font-size: 13px;
  color: var(--text-3);
  padding-left: 16px;
  border-left: 1px solid var(--border);
}

/* Hero */
.hero {
  padding: 120px 0 80px;
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.5px;
  color: var(--text);
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 16px;
  color: var(--text-2);
  line-height: 1.7;
  max-width: 460px;
}

/* Code block */
.hero-code-block {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.code-header {
  background: var(--bg-3);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}
.code-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.code-dot.red { background: #ff5f5f; }
.code-dot.yellow { background: #f5c842; }
.code-dot.green { background: #3ecf8e; }
.code-title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  color: var(--text-3);
  margin-left: 8px;
}
.code-body {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px;
  line-height: 1.7;
  padding: 20px 24px;
  color: var(--text-2);
  white-space: pre;
}
.code-comment { color: var(--text-3); }
.code-keyword { color: var(--accent); }
.code-string { color: var(--amber); }
.code-output { color: var(--green); }

/* Workflow */
.workflow {
  padding: 80px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}
.workflow-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.section-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-lead {
  font-size: 20px;
  color: var(--text-2);
  max-width: 540px;
  margin-bottom: 48px;
  line-height: 1.5;
}
.workflow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.wf-step {}
.wf-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--accent-dim);
  display: block;
  margin-bottom: 12px;
}
.wf-step h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.wf-step p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
}

/* Capabilities */
.capabilities {
  padding: 80px 0;
}
.cap-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 80px;
  align-items: start;
}
.cap-col-left .section-label { margin-bottom: 12px; }
.cap-col-left .section-lead { margin-bottom: 40px; }
.cap-item {
  display: flex;
  gap: 16px;
  margin-bottom: 32px;
}
.cap-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: var(--accent-dim);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}
.cap-item h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.cap-item p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
}

/* Panel */
.cap-panel {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
}
.panel-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 14px;
}
.export-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 4px;
}
.chip {
  font-size: 12px;
  font-weight: 500;
  background: var(--accent-dim);
  color: var(--accent);
  padding: 4px 10px;
  border-radius: 20px;
}
.panel-divider {
  height: 1px;
  background: var(--border);
  margin: 20px 0;
}
.panel-list {
  list-style: none;
}
.panel-list li {
  font-size: 13px;
  color: var(--text-2);
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
}
.panel-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

/* NLPDemo */
.nlpdemo {
  padding: 80px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.nlpdemo-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.nlpdemo-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}
.nlpdemo-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.nlpdemo-query {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13.5px;
  color: var(--text-2);
  line-height: 1.7;
}
.nlpdemo-arrow {
  display: flex;
  justify-content: center;
}
.nlpdemo-output {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}
.spec-rows {
  margin: 16px 0 20px;
}
.spec-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.spec-row:last-child { border-bottom: none; }
.spec-key {
  color: var(--text-3);
  font-weight: 500;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  padding-top: 2px;
}
.spec-val {
  color: var(--text-2);
}
.nlpdemo-btn {
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 12px 20px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: default;
  opacity: 0.9;
}

/* Platform */
.platform {
  padding: 80px 0;
}
.platform-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  text-align: center;
}
.platform-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  background: rgba(245, 166, 35, 0.1);
  border: 1px solid rgba(245, 166, 35, 0.25);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 28px;
}
.platform-headline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.5px;
  color: var(--text);
  margin-bottom: 24px;
}
.platform-sub {
  font-size: 16px;
  color: var(--text-2);
  max-width: 580px;
  margin: 0 auto 56px;
  line-height: 1.7;
}
.platform-stats {
  display: flex;
  justify-content: center;
  gap: 64px;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 40px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -1px;
}
.stat-label {
  font-size: 13px;
  color: var(--text-3);
  display: block;
  margin-top: 4px;
}

/* Manifesto */
.manifesto {
  padding: 80px 0;
  border-top: 1px solid var(--border);
  background: var(--bg-2);
}
.manifesto-inner {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 32px;
  text-align: center;
}
.manifesto-quote {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(18px, 2.5vw, 24px);
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
  font-style: normal;
  margin-bottom: 20px;
}
.manifesto-attr {
  font-size: 14px;
  color: var(--text-3);
}

/* Footer */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.footer-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  display: block;
  margin-bottom: 6px;
}
.footer-brand p {
  font-size: 13px;
  color: var(--text-3);
}
.footer-links {
  display: flex;
  gap: 24px;
  margin-left: auto;
}
.footer-links a {
  font-size: 13px;
  color: var(--text-3);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text-2); }
.footer-copy {
  font-size: 12px;
  color: var(--text-3);
  padding-top: 4px;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding-top: 20px; }
  .workflow-steps { grid-template-columns: 1fr 1fr; }
  .cap-inner { grid-template-columns: 1fr; }
  .nlpdemo-inner { grid-template-columns: 1fr; }
  .platform-stats { gap: 32px; }
  .footer-inner { flex-wrap: wrap; }
  .footer-links { margin-left: 0; }
  .nav-tagline { display: none; }
  .platform-stats { flex-direction: column; gap: 24px; }
}