/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-primary: #0d1f1a;
  --bg-secondary: #111f1a;
  --bg-card: #152b23;
  --bg-card-hover: #1a3329;
  --fg-primary: #e8e4d9;
  --fg-secondary: #a8b5a0;
  --fg-muted: #6b7f6b;
  --accent-green: #4ade80;
  --accent-amber: #e8a838;
  --accent-amber-dim: rgba(232, 168, 56, 0.15);
  --border: rgba(74, 222, 128, 0.12);
  --border-amber: rgba(232, 168, 56, 0.3);
}

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

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

/* ===== NAV ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(13, 31, 26, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 40px;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-logo {
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.2em;
  color: var(--accent-green);
}

.nav-tagline {
  font-size: 0.75rem;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
  border-left: 1px solid var(--border);
  padding-left: 20px;
}

/* ===== HERO ===== */
.hero {
  padding: 140px 40px 100px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(74, 222, 128, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-green);
  margin-bottom: 20px;
}

.hero-headline {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--fg-primary);
  margin-bottom: 28px;
}

.hero-headline em {
  font-style: italic;
  color: var(--accent-green);
}

.hero-lede {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--fg-secondary);
  font-weight: 300;
  max-width: 520px;
}

/* ===== NETWORK VIZ ===== */
.hero-network {
  display: flex;
  align-items: center;
  justify-content: center;
}

.network-viz {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  width: 100%;
  max-width: 500px;
}

.network-bg {
  position: absolute;
  inset: 0;
  border-radius: 16px;
  background: radial-gradient(ellipse at 30% 40%, rgba(74, 222, 128, 0.03) 0%, transparent 60%);
  pointer-events: none;
}

.network-svg {
  width: 100%;
  height: auto;
  display: block;
}

.network-legend {
  display: flex;
  gap: 20px;
  margin-top: 16px;
  padding-left: 4px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.dot-green { background: var(--accent-green); }
.dot-amber { background: var(--accent-amber); }

.network-status {
  margin-top: 16px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.03em;
}

.status-amber {
  background: var(--accent-amber-dim);
  border: 1px solid var(--border-amber);
  color: var(--accent-amber);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-amber);
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.blink {
  animation: blink 1.5s ease-in-out infinite;
}

/* ===== SECTION SHARED ===== */
.section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.section-eyebrow {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-green);
  margin-bottom: 16px;
}

.section-heading {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--fg-primary);
  margin-bottom: 60px;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.step {
  flex: 1;
}

.step-number {
  font-family: 'IBM Plex Sans', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent-green);
  margin-bottom: 16px;
  opacity: 0.7;
}

.step-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--fg-primary);
  margin-bottom: 12px;
}

.step-desc {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  line-height: 1.7;
  font-weight: 300;
}

.step-divider {
  padding: 0 32px;
  padding-top: 30px;
  flex-shrink: 0;
}

/* ===== OUTCOMES ===== */
.outcomes {
  padding: 100px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.outcome-card {
  padding: 48px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.outcome-stat {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: var(--accent-green);
  line-height: 1;
  margin-bottom: 16px;
}

.outcome-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg-primary);
  margin-bottom: 12px;
  line-height: 1.4;
}

.outcome-note {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ===== WHY NOW ===== */
.why-now {
  padding: 100px 0;
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.why-body {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--fg-secondary);
  font-weight: 300;
  margin-bottom: 24px;
}

.why-body:last-child { margin-bottom: 0; }

.why-data {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.data-point {
  border-left: 2px solid var(--accent-green);
  padding-left: 24px;
}

.data-value {
  display: block;
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--fg-primary);
  line-height: 1;
  margin-bottom: 8px;
}

.data-context {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* ===== MANIFESTO ===== */
.manifesto {
  padding: 100px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.manifesto-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 40px;
  text-align: center;
}

.manifesto-quote {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.3rem, 2.5vw, 1.9rem);
  font-style: italic;
  font-weight: 700;
  line-height: 1.4;
  color: var(--fg-primary);
  margin-bottom: 32px;
}

.manifesto-attr {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 40px;
}

.closing-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.closing-headline {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--fg-primary);
  margin-bottom: 28px;
}

.closing-sub {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--fg-secondary);
  font-weight: 300;
  max-width: 640px;
  margin: 0 auto 48px;
}

.closing-product {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.product-tag {
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: 24px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--fg-secondary);
  letter-spacing: 0.03em;
}

/* ===== FOOTER ===== */
.footer {
  padding: 60px 40px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-brand {
  margin-bottom: 32px;
}

.footer-logo {
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  color: var(--accent-green);
  display: block;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 500px;
}

.footer-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 0.75rem;
  color: var(--fg-muted);
  letter-spacing: 0.03em;
}

.footer-sep { color: var(--fg-muted); opacity: 0.4; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-network {
    order: -1;
  }

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

  .step-divider {
    display: none;
  }

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

  .why-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero {
    padding: 120px 24px 80px;
  }

  .section-inner, .manifesto-inner {
    padding: 0 24px;
  }

  .how-it-works, .outcomes, .why-now, .manifesto, .closing {
    padding: 80px 0;
  }

  .nav {
    padding: 0 24px;
  }

  .footer {
    padding: 48px 24px;
  }
}

@media (max-width: 480px) {
  .hero-headline {
    font-size: 1.8rem;
  }

  .outcome-card {
    padding: 32px 24px;
  }

  .closing-headline {
    font-size: 1.6rem;
  }
}