:root {
  --bg: #F8FAFC;
  --fg: #0F172A;
  --accent: #4F46E5;
  --accent-light: #EEF2FF;
  --text-muted: #64748B;
  --border: #E2E8F0;
  --dark-bg: #0F172A;
  --dark-fg: #F8FAFC;
  --dark-accent: #818CF8;
}

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

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

h1, h2, h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 600;
  line-height: 1.15;
}

/* Nav */
.nav {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.nav-logo {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--fg);
}
.nav-tag {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
}
.nav-cta {
  margin-left: auto;
  padding: 8px 18px;
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s;
}
.nav-cta:hover { background: #4338ca; }

/* Hero */
.hero {
  padding: 80px 0 64px;
  background: var(--dark-bg);
  color: var(--dark-fg);
}
.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: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #818CF8;
  margin-bottom: 20px;
}
.hero-headline {
  font-size: 3rem;
  color: var(--dark-fg);
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 1.05rem;
  color: #94A3B8;
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 480px;
}
.hero-stat-row {
  display: flex;
  gap: 40px;
}
.hero-stat {}
.hero-stat-num {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  color: #818CF8;
}
.hero-stat-label {
  font-size: 0.8rem;
  color: #64748B;
  line-height: 1.4;
}

/* Data Flow Widget */
.data-flow {
  background: #1E293B;
  border: 1px solid #334155;
  border-radius: 12px;
  padding: 28px;
}
.df-label {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #475569;
  margin-bottom: 16px;
}
.df-nodes {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.df-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.df-node-icon {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}
.df-source .df-node-icon { background: #334155; color: #94A3B8; }
.df-mid .df-node-icon { background: #3730A3; color: #C7D2FE; }
.df-dest .df-node-icon { background: #4F46E5; color: #fff; }
.df-node span { font-size: 0.65rem; color: #64748B; }
.df-arrow {
  color: #334155;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.df-pulse {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
}
.df-pulse-bar {
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, #4F46E5, #818CF8);
  flex: 1;
  animation: pulse-anim 1.4s ease-in-out infinite;
}
.df-pulse-bar:nth-child(2) { animation-delay: 0.2s; }
.df-pulse-bar:nth-child(3) { animation-delay: 0.4s; }
@keyframes pulse-anim {
  0%, 100% { opacity: 0.3; transform: scaleX(0.8); }
  50% { opacity: 1; transform: scaleX(1); }
}
.df-metrics {
  display: flex;
  gap: 20px;
}
.df-metric {}
.df-metric-val {
  display: block;
  font-size: 1.1rem;
  font-weight: 600;
  color: #E2E8F0;
}
.df-metric-key {
  font-size: 0.7rem;
  color: #475569;
}

/* Manifesto */
.manifesto {
  padding: 80px 0;
  background: #FFFFFF;
}
.manifesto-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.manifesto-mark {
  width: 48px;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
  margin-bottom: 32px;
}
.manifesto-quote {
  font-family: 'Playfair Display', serif;
  font-size: 1.75rem;
  color: var(--fg);
  margin-bottom: 28px;
  max-width: 700px;
  line-height: 1.4;
}
.manifesto-body p {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 680px;
  margin-bottom: 16px;
  line-height: 1.75;
}
.manifesto-stats {
  display: flex;
  gap: 48px;
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.mstat {}
.mstat-num {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--fg);
}
.mstat-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Capabilities */
.capabilities {
  padding: 80px 0;
  background: var(--bg);
}
.cap-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.section-label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-headline {
  font-size: 2rem;
  color: var(--fg);
  margin-bottom: 48px;
  max-width: 600px;
}
.cap-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.cap-card {
  background: #fff;
  padding: 36px;
}
.cap-card-wide {
  grid-column: span 1;
}
.cap-icon {
  font-size: 1.1rem;
  color: var(--accent);
  margin-bottom: 16px;
}
.cap-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
}
.cap-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Proof */
.proof {
  padding: 80px 0;
  background: #FFFFFF;
}
.proof-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.proof-case {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
}
.proof-case-label {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.proof-company {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 16px;
}
.proof-before {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}
.proof-divider {
  width: 32px;
  height: 1px;
  background: var(--border);
  margin-bottom: 16px;
}
.proof-after {
  font-size: 0.82rem;
  color: var(--fg);
  line-height: 1.6;
  margin-bottom: 20px;
}
.proof-result {
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.proof-metric {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}
.proof-metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Methodology */
.methodology {
  padding: 80px 0;
  background: var(--dark-bg);
  color: var(--dark-fg);
}
.method-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.methodology .section-label { color: #818CF8; }
.methodology .section-headline { color: var(--dark-fg); }
.method-steps {
  display: flex;
  gap: 0;
  margin-bottom: 64px;
}
.method-step {
  flex: 1;
  padding: 0 32px;
  border-left: 1px solid #1E293B;
  padding-left: 32px;
}
.method-step:first-child {
  border-left: none;
  padding-left: 0;
}
.method-num {
  font-family: 'Playfair Display', serif;
  font-size: 3rem;
  font-weight: 700;
  color: #1E293B;
  line-height: 1;
  margin-bottom: 16px;
}
.method-content h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--dark-fg);
  margin-bottom: 8px;
  font-family: 'DM Sans', sans-serif;
}
.method-content p {
  font-size: 0.85rem;
  color: #64748B;
  line-height: 1.65;
}
.method-pricing {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: #1E293B;
  border: 1px solid #1E293B;
  border-radius: 10px;
  overflow: hidden;
}
.pricing-tier {
  background: #0F172A;
  padding: 28px 24px;
}
.pricing-tier-active {
  background: #1E293B;
}
.pt-name {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #475569;
  margin-bottom: 8px;
}
.pricing-tier-active .pt-name { color: #818CF8; }
.pt-price {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--dark-fg);
  margin-bottom: 8px;
}
.pt-price span {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 400;
  color: #475569;
}
.pt-desc {
  font-size: 0.8rem;
  color: #475569;
}

/* Closing */
.closing {
  padding: 100px 0;
  background: #FFFFFF;
  text-align: center;
}
.closing-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 32px;
}
.closing-headline {
  font-size: 2.25rem;
  color: var(--fg);
  margin-bottom: 24px;
  line-height: 1.3;
}
.closing-sub {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 40px;
}
.closing-cta {}
.closing-cta-text {
  font-size: 1rem;
  color: var(--text-muted);
}

/* Footer */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
}
.footer-logo {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 1.1rem;
  display: block;
  margin-bottom: 8px;
}
.footer-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  max-width: 320px;
  line-height: 1.6;
}
.footer-note {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-headline { font-size: 2rem; }
  .hero-stat-row { gap: 24px; }
  .manifesto-stats { flex-wrap: wrap; gap: 24px; }
  .cap-grid { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: 1fr; }
  .method-steps { flex-direction: column; gap: 24px; }
  .method-step { border-left: none; border-top: 1px solid #1E293B; padding-left: 0; padding-top: 24px; }
  .method-step:first-child { border-top: none; padding-top: 0; }
  .method-pricing { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .closing-headline { font-size: 1.6rem; }
  .df-nodes { gap: 4px; }
  .df-arrow { display: none; }
}