:root {
  --bg: #F7F4EE;
  --fg: #1B3D2F;
  --accent: #F59E0B;
  --accent-dim: #D97706;
  --muted: #7A8A7A;
  --light: #EBE7DE;
  --card-bg: #FFFFFF;
  --nav-height: 64px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Plus Jakarta Sans', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* Nav */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  z-index: 100;
  background: rgba(247, 244, 238, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(27, 61, 47, 0.08);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.02em;
}

/* Hero */
.hero {
  padding: calc(var(--nav-height) + 80px) 32px 100px;
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.hero-headline {
  font-size: clamp(2.8rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 28px;
  letter-spacing: -0.03em;
}
.hero-headline em {
  font-style: italic;
  color: var(--accent);
}
.hero-lede {
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 440px;
  line-height: 1.7;
}

/* Agent Card */
.agent-card {
  background: var(--card-bg);
  border: 1px solid rgba(27, 61, 47, 0.1);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(27, 61, 47, 0.08), 0 4px 16px rgba(27, 61, 47, 0.04);
}
.agent-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(27, 61, 47, 0.08);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--fg);
}
.agent-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--muted);
}
.agent-dot.active {
  background: #22C55E;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
}
.agent-messages {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.agent-msg p { font-size: 0.875rem; line-height: 1.5; }
.agent-msg--incoming {
  background: var(--light);
  border-radius: 12px 12px 12px 4px;
  padding: 12px 16px;
  color: var(--fg);
}
.agent-msg--outgoing {
  background: var(--fg);
  color: #fff;
  border-radius: 12px 12px 4px 12px;
  padding: 12px 16px;
  align-self: flex-end;
  max-width: 70%;
}

/* Section labels */
.section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.section-label p {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.label-line {
  display: block;
  width: 32px;
  height: 1px;
  background: var(--accent);
}

/* Agent section */
.agent-section {
  background: var(--fg);
  color: #fff;
  padding: 100px 32px;
}
.agent-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.agent-section .section-label p { color: var(--accent); }
.agent-section .label-line { background: var(--accent); }
.section-headline {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px;
  letter-spacing: -0.025em;
}
.section-sub {
  font-size: 1.125rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 60px;
  max-width: 480px;
}
.agent-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.agent-feature { }
.agent-feature-icon {
  width: 48px; height: 48px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}
.agent-feature h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.agent-feature p {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.65;
}

/* Proof section */
.proof-section {
  background: var(--bg);
  padding: 100px 32px;
  border-top: 1px solid rgba(27, 61, 47, 0.06);
}
.proof-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.proof-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 80px;
  border-bottom: 1px solid rgba(27, 61, 47, 0.08);
  padding-bottom: 60px;
}
.proof-stat { }
.proof-number {
  display: block;
  font-family: 'Fraunces', serif;
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 8px;
}
.proof-label {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.5;
}
.proof-quote {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}
.proof-quote blockquote {
  font-family: 'Fraunces', serif;
  font-size: 1.5rem;
  font-style: italic;
  color: var(--fg);
  line-height: 1.4;
  margin-bottom: 16px;
}
.proof-quote cite {
  font-size: 0.875rem;
  color: var(--muted);
  font-style: normal;
}

/* Process section */
.process-section {
  background: #fff;
  padding: 100px 32px;
  border-top: 1px solid rgba(27, 61, 47, 0.06);
}
.process-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.process-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 40px;
  padding: 48px 0;
  border-bottom: 1px solid rgba(27, 61, 47, 0.08);
  align-items: start;
}
.process-step:last-child { border-bottom: none; }
.process-num {
  font-family: 'Fraunces', serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--light);
  line-height: 1;
}
.process-content h3 {
  font-size: 1.375rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.process-content p {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.7;
  max-width: 560px;
}

/* Manifesto */
.manifesto-section {
  background: var(--fg);
  padding: 120px 32px;
}
.manifesto-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.manifesto-text {
  font-family: 'Fraunces', serif;
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  line-height: 1.4;
}
.manifesto-text em {
  font-style: italic;
  color: var(--accent);
}

/* Footer */
.footer {
  background: var(--bg);
  padding: 48px 32px;
  border-top: 1px solid rgba(27, 61, 47, 0.08);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--fg);
}
.footer-tagline {
  font-size: 0.875rem;
  color: var(--muted);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero { padding-top: calc(var(--nav-height) + 48px); }
  .agent-features {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .proof-stats {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .process-step {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .process-num { font-size: 2rem; }
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
  .footer-tagline { text-align: center; }
}