:root {
  --bg: #0d1117;
  --surface: #161b22;
  --border: #21262d;
  --fg: #e6edf3;
  --muted: #7d8590;
  --accent: #f0b429;
  --accent-dim: rgba(240, 180, 41, 0.08);
  --accent-border: rgba(240, 180, 41, 0.3);
  --font-display: 'Syne', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ── */
.nav {
  padding: 24px 48px;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  color: var(--accent);
  letter-spacing: -0.5px;
}
.nav-tag {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: 20px;
}

/* ── HERO ── */
.hero {
  padding: 80px 48px 100px;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 20px;
  font-weight: 500;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  color: var(--fg);
  margin-bottom: 28px;
}
.hero-highlight {
  color: var(--accent);
}
.hero-sub {
  font-size: 17px;
  color: var(--muted);
  max-width: 440px;
  line-height: 1.7;
}

/* ── OPS DIAGRAM ── */
.ops-diagram {
  display: flex;
  align-items: center;
  gap: 0;
  position: relative;
}
.diagram-node {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 16px;
  flex: 1;
  min-width: 0;
}
.node-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  font-weight: 500;
  margin-bottom: 12px;
}
.node-label.accent {
  color: var(--accent);
}
.node-items {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.node-items span {
  font-size: 12px;
  color: var(--fg);
  font-weight: 400;
  line-height: 1.4;
  padding: 4px 8px;
  background: var(--bg);
  border-radius: 4px;
  border: 1px solid var(--border);
}
.diagram-arrow {
  display: flex;
  align-items: center;
  padding: 0 8px;
  flex-shrink: 0;
}
.arrow-line {
  width: 24px;
  height: 1px;
  background: var(--accent-border);
}
.arrow-head {
  margin-left: -1px;
}

/* ── MANIFESTO ── */
.manifesto {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 48px;
}
.manifesto-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.manifesto-stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 72px;
}
.manifesto-stat {
  background: var(--surface);
  padding: 40px 36px;
}
.stat-number {
  font-family: var(--font-display);
  font-size: 52px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -2px;
  margin-bottom: 12px;
}
.stat-label {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}
.manifesto-body {
  max-width: 720px;
}
.manifesto-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 28px;
}
.manifesto-text {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

/* ── STACK ── */
.stack {
  padding: 100px 48px;
  max-width: 1200px;
  margin: 0 auto;
}
.section-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 16px;
  font-weight: 500;
}
.stack-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1.15;
  margin-bottom: 16px;
}
.stack-sub {
  font-size: 16px;
  color: var(--muted);
  margin-bottom: 56px;
}
.stack-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.stack-item {
  background: var(--surface);
  padding: 28px 24px;
}
.stack-icon {
  margin-bottom: 16px;
}
.stack-name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}
.stack-desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
}

/* ── PROCESS ── */
.process {
  padding: 100px 48px;
  border-top: 1px solid var(--border);
}
.process-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.process-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 64px;
}
.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}
.step {
  flex: 1;
  min-width: 0;
}
.step-number {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
}
.step-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}
.step-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
}
.step-connector {
  width: 60px;
  flex-shrink: 0;
  height: 1px;
  background: var(--border);
  align-self: 48px;
  margin: 0 16px;
}

/* ── OUTCOMES ── */
.outcomes {
  padding: 100px 48px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.outcomes-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.outcomes-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  letter-spacing: -1px;
  line-height: 1.2;
}
.outcomes-right {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.outcome-item {
  border-left: 2px solid var(--accent);
  padding-left: 24px;
}
.outcome-metric {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -1px;
  margin-bottom: 6px;
}
.outcome-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

/* ── CLOSING ── */
.closing {
  padding: 120px 48px;
  border-top: 1px solid var(--border);
}
.closing-inner {
  max-width: 900px;
  margin: 0 auto;
}
.closing-bar {
  width: 48px;
  height: 3px;
  background: var(--accent);
  margin-bottom: 40px;
}
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1.15;
  margin-bottom: 28px;
}
.closing-sub {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.8;
  max-width: 600px;
}

/* ── FOOTER ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 48px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--accent);
}
.footer-tagline {
  font-size: 13px;
  color: var(--muted);
  flex: 1;
}
.footer-meta {
  display: flex;
  gap: 16px;
}
.footer-meta span {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.05em;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .hero-grid,
  .manifesto-stat-row,
  .outcomes-inner {
    grid-template-columns: 1fr;
  }
  .hero { padding: 60px 32px 80px; }
  .manifesto, .stack, .process, .outcomes, .closing {
    padding: 64px 32px;
  }
  .ops-diagram {
    flex-direction: column;
    gap: 8px;
  }
  .diagram-arrow {
    transform: rotate(90deg);
    padding: 0;
  }
  .process-steps {
    flex-direction: column;
    gap: 40px;
  }
  .step-connector {
    display: none;
  }
  .stack-grid {
    grid-template-columns: 1fr 1fr;
  }
  .nav { padding: 20px 32px; }
  .footer { padding: 32px; }
}

@media (max-width: 600px) {
  .hero-headline { font-size: 30px; letter-spacing: -1px; }
  .stack-grid { grid-template-columns: 1fr; }
  .manifesto-stat { padding: 28px 24px; }
  .stat-number { font-size: 40px; }
}