:root {
  --bg: #faf8f3;
  --bg-alt: #f0ece2;
  --fg: #1c1c1c;
  --fg-muted: #5a5a5a;
  --accent: #1b4332;
  --accent-light: #2d6a4f;
  --accent-warm: #d97706;
  --accent-warm-light: #f59e0b;
  --border: #e0d9cc;
  --white: #ffffff;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(28,28,28,0.06);
}

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

html { font-size: 16px; }

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

h1, h2, h3, h4 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
  line-height: 1.2;
}

/* HERO */
.hero {
  background: var(--bg);
  padding: 80px 0 60px;
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-warm);
  margin-bottom: 16px;
}

.hero-text h1 {
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  color: var(--fg);
  margin-bottom: 20px;
  font-style: italic;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
}

/* Loop diagram */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.loop-diagram {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  justify-content: center;
}

.loop-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.step-circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.step-circle.ai { background: var(--accent-warm); color: #fff; }
.step-circle.feedback { background: var(--accent-light); color: #fff; }
.step-circle.sync { background: #4a7c59; color: #fff; }

.loop-step p {
  font-size: 0.72rem;
  color: var(--fg-muted);
  text-align: center;
  max-width: 90px;
  line-height: 1.3;
}

.loop-arrow {
  color: var(--border);
  display: flex;
  align-items: center;
  padding: 0 6px;
  padding-bottom: 28px;
}

/* Hero metrics */
.hero-metrics {
  max-width: 1100px;
  margin: 48px auto 0;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 0;
  border-top: 1px solid var(--border);
  padding-top: 40px;
}

.metric {
  flex: 1;
  text-align: center;
}

.metric-num {
  display: block;
  font-family: 'Fraunces', serif;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  font-style: italic;
}

.metric-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-top: 4px;
  display: block;
  line-height: 1.4;
}

.metric-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
  margin: 0 32px;
}

/* FEATURES */
.features {
  background: var(--bg-alt);
  padding: 80px 0;
}

.features-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}

.features h2 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 48px;
  color: var(--fg);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: box-shadow 0.2s ease;
}

.feature-card:hover {
  box-shadow: var(--shadow);
}

.feature-card.featured {
  border-color: var(--accent-warm);
  border-width: 2px;
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 16px;
}

.feature-card.featured .feature-icon { color: var(--accent-warm); }

.feature-card h3 {
  font-size: 1.1rem;
  color: var(--fg);
  margin-bottom: 10px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* HOW IT WORKS */
.how-it-works {
  background: var(--accent);
  padding: 80px 0;
  color: var(--white);
}

.hiw-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}

.hiw-inner h2 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 56px;
  color: var(--white);
}

.hiw-steps {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hiw-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  max-width: 260px;
}

.step-num {
  font-family: 'Fraunces', serif;
  font-size: 4rem;
  font-weight: 700;
  font-style: italic;
  color: rgba(255,255,255,0.15);
  line-height: 1;
  margin-bottom: 16px;
}

.step-content h3 {
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 10px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
}

.step-content p {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
}

.hiw-connector {
  width: 80px;
  height: 2px;
  background: rgba(255,255,255,0.2);
  margin: 0 16px;
  flex-shrink: 0;
}

/* OUTCOMES */
.outcomes {
  background: var(--bg);
  padding: 80px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.outcomes-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  align-items: center;
}

.outcome-quote {
  font-family: 'Fraunces', serif;
  font-size: 1.5rem;
  font-style: italic;
  color: var(--fg);
  line-height: 1.4;
  margin-bottom: 12px;
}

.outcome-attr {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.outcomes-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-value {
  font-family: 'Fraunces', serif;
  font-size: 2.2rem;
  font-weight: 700;
  font-style: italic;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  line-height: 1.4;
}

/* CLOSING */
.closing {
  background: var(--bg-alt);
  padding: 80px 0;
}

.closing-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}

.closing-text h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--fg);
  margin-bottom: 20px;
  font-style: italic;
}

.closing-text p {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.75;
  max-width: 700px;
}

.closing-cta {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.closing-cta .btn-lg {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  background: var(--accent);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s;
}

.closing-cta .btn-lg:hover { background: var(--accent-light); }

.cta-sub {
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-top: 4px;
}

/* FOOTER */
footer {
  background: var(--fg);
  color: rgba(255,255,255,0.6);
  padding: 32px 0;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  display: block;
  font-family: 'Fraunces', serif;
  font-size: 1.4rem;
  font-weight: 600;
  font-style: italic;
  color: var(--white);
  margin-bottom: 6px;
}

.footer-tagline {
  font-size: 0.8rem;
}

.footer-meta {
  font-size: 0.75rem;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-visual {
    order: -1;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .outcomes-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .outcomes-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .hiw-steps {
    flex-direction: column;
    gap: 40px;
  }

  .hiw-connector {
    display: none;
  }

  .hero-metrics {
    flex-direction: column;
    gap: 24px;
  }

  .metric-divider {
    display: none;
  }

  .footer-inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero { padding: 56px 0 48px; }
  .features, .how-it-works, .outcomes, .closing { padding: 56px 0; }
  .loop-diagram { gap: 4px; }
  .step-circle { width: 60px; height: 60px; }
  .loop-arrow svg { width: 28px; }
}