:root {
  --bg: #0c0c0e;
  --bg-2: #111116;
  --fg: #f0ede6;
  --fg-muted: #8a8780;
  --accent: #e8422a;
  --accent-dim: rgba(232, 66, 42, 0.12);
  --border: rgba(240, 237, 230, 0.08);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.nav-tagline {
  font-size: 13px;
  color: var(--fg-muted);
}

/* HERO */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  padding: 100px 48px 80px;
  min-height: 640px;
  align-items: center;
  border-bottom: 1px solid var(--border);
}
.hero-inner {}
.hero-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 32px;
}
.hero-accent-line {
  width: 48px;
  height: 3px;
  background: var(--accent);
  margin-bottom: 28px;
}
.hero-sub {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 460px;
  margin-bottom: 40px;
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--fg-muted);
}
.hero-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--fg-muted);
  opacity: 0.4;
}

/* Agent cluster visual */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.agent-cluster {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  width: 100%;
  max-width: 340px;
}
.agent-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  transition: border-color 0.2s;
}
.agent-card--primary {
  border-color: var(--accent);
  background: var(--accent-dim);
  grid-column: 1 / -1;
}
.agent-icon {
  font-size: 20px;
  margin-bottom: 10px;
  color: var(--accent);
}
.agent-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  margin-bottom: 4px;
}
.agent-status {
  font-size: 11px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* MANIFESTO */
.manifesto {
  padding: 80px 48px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}
.manifesto-inner { max-width: 720px; }
.manifesto-quote {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 20px;
}
.manifesto-attr {
  font-size: 13px;
  color: var(--fg-muted);
}

/* FEATURES */
.features {
  padding: 100px 48px;
  border-bottom: 1px solid var(--border);
}
.features-header { margin-bottom: 64px; }
.features-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  max-width: 560px;
  margin-bottom: 16px;
}
.features-sub {
  font-size: 16px;
  color: var(--fg-muted);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.feature-item {
  background: var(--bg);
  padding: 36px 32px;
}
.feature-number {
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}
.feature-name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.feature-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* HOW IT WORKS */
.howitworks {
  padding: 100px 48px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}
.hiw-header { margin-bottom: 64px; }
.hiw-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  letter-spacing: -0.03em;
}
.hiw-steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 0;
}
.hiw-step {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 28px;
}
.hiw-step-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.3;
  margin-bottom: 16px;
}
.hiw-step h3 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
}
.hiw-step p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}
.hiw-connector {
  width: 48px;
  height: 1px;
  background: var(--border);
  position: relative;
}

/* CLOSING */
.closing {
  padding: 100px 48px;
  border-bottom: 1px solid var(--border);
}
.closing-inner { max-width: 800px; }
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 24px;
}
.closing-body {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 64px;
}
.closing-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.closing-stat {
  background: var(--bg-2);
  padding: 36px 32px;
  text-align: left;
}
.stat-value {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 8px;
  letter-spacing: -0.03em;
}
.stat-label {
  font-size: 13px;
  color: var(--fg-muted);
}

/* FOOTER */
.footer {
  padding: 48px;
  background: var(--bg);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 32px;
}
.footer-brand { display: flex; flex-direction: column; gap: 6px; }
.footer-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
}
.footer-desc {
  font-size: 13px;
  color: var(--fg-muted);
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-link {
  font-size: 13px;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-link:hover { color: var(--fg); }
.footer-bottom {
  font-size: 12px;
  color: var(--fg-muted);
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 48px; padding: 64px 32px; }
  .hero-visual { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .hiw-steps { grid-template-columns: 1fr; }
  .hiw-connector { display: none; }
  .closing-stats { grid-template-columns: 1fr; }
  .nav { padding: 16px 32px; }
  .manifesto, .features, .howitworks, .closing { padding: 64px 32px; }
  .footer { padding: 32px; }
}

@media (max-width: 600px) {
  .hero { padding: 48px 24px; }
  .manifesto, .features, .howitworks, .closing { padding: 48px 24px; }
  .nav { padding: 16px 24px; }
  .footer { padding: 24px; }
}