:root {
  --bg-dark: #0B1628;
  --bg-light: #F4F2ED;
  --bg-card: #1E2A3A;
  --fg-light: #F4F2ED;
  --fg-dark: #0B1628;
  --accent: #00C9A7;
  --accent-dim: rgba(0, 201, 167, 0.15);
  --text-muted: #8A9BB0;
  --border: rgba(244, 242, 237, 0.1);
  --border-light: #E8E4DC;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, sans-serif;
}

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

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

/* NAV */
.nav {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.nav-logo {
  font-family: var(--font-serif);
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--fg-light);
}

/* HERO */
.hero {
  padding: 80px 0 100px;
  background: var(--bg-dark);
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.1;
  font-weight: 400;
  color: var(--fg-light);
  margin-bottom: 24px;
}
.hero-headline em {
  font-style: italic;
  color: var(--accent);
}
.hero-sub {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 440px;
}

/* LOOP GRAPHIC */
.hero-loop {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.loop-container {
  display: flex;
  align-items: center;
  gap: 0;
}
.loop-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  width: 90px;
}
.node-icon {
  color: var(--accent);
}
.node-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.loop-connector {
  display: flex;
  align-items: center;
  width: 28px;
}
.connector-line {
  flex: 1;
  height: 1px;
  background: var(--accent);
  opacity: 0.5;
}
.connector-arrow {
  color: var(--accent);
  font-size: 14px;
  opacity: 0.7;
}
.loop-back-connector {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 8px;
  position: relative;
}
.loop-label {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.5;
  margin-top: -8px;
  position: absolute;
}

/* LOOP SECTION */
.loop-section {
  background: var(--bg-light);
  padding: 80px 0;
  color: var(--fg-dark);
}
.loop-section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
}
.loop-step {
  flex: 1;
  min-width: 180px;
  padding: 0 24px;
}
.loop-divider {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  padding: 0 8px;
}
.step-number {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 12px;
}
.loop-step h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  margin-bottom: 10px;
  color: var(--fg-dark);
}
.loop-step p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.6;
}

/* FEATURES */
.features {
  background: var(--bg-dark);
  padding: 100px 0;
}
.features-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.section-heading {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 400;
  color: var(--fg-light);
  text-align: center;
  margin-bottom: 60px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.feature-card {
  background: var(--bg-dark);
  padding: 44px 40px;
}
.feature-icon {
  color: var(--accent);
  margin-bottom: 20px;
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--fg-light);
}
.feature-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* OUTCOMES */
.outcomes {
  background: var(--bg-light);
  padding: 80px 0;
  color: var(--fg-dark);
}
.outcomes-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}
.outcomes-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.outcomes-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 400;
  margin-bottom: 50px;
}
.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}
.outcome-stat {
  border-left: 2px solid var(--accent);
  padding-left: 24px;
}
.stat-number {
  font-family: var(--font-serif);
  font-size: 56px;
  font-weight: 400;
  color: var(--fg-dark);
  line-height: 1;
  margin-bottom: 10px;
}
.stat-desc {
  font-size: 15px;
  color: #6B7280;
  line-height: 1.5;
}
.outcomes-note {
  font-size: 14px;
  color: #9CA3AF;
  font-style: italic;
  max-width: 500px;
}

/* CLOSING */
.closing {
  background: var(--bg-dark);
  padding: 100px 0;
  text-align: center;
}
.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 32px;
}
.closing h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 400;
  color: var(--fg-light);
  margin-bottom: 20px;
  line-height: 1.2;
}
.closing p {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--fg-light);
}
.footer-tagline {
  font-size: 14px;
  color: var(--text-muted);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero-loop {
    align-items: flex-start;
  }
  .loop-container {
    flex-wrap: wrap;
    gap: 12px;
  }
  .loop-connector {
    display: none;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .outcomes-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .loop-section-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 32px;
  }
  .loop-divider {
    display: none;
  }
  .loop-step {
    min-width: auto;
    padding: 0;
  }
  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 60px 0 80px;
  }
  .features, .outcomes, .closing {
    padding: 60px 0;
  }
  .feature-card {
    padding: 32px 24px;
  }
}