:root {
  --bg: #0d1117;
  --bg-card: #161b22;
  --bg-card-hover: #1c2128;
  --accent: #f59e0b;
  --accent-dim: #d97706;
  --accent-glow: rgba(245,158,11,0.12);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #475569;
  --border: #21262d;
  --border-light: #30363d;
  --section-eyebrow: #f59e0b;
  --font-display: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

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

/* NAV */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: rgba(13,17,23,0.85);
  backdrop-filter: blur(12px);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.nav-tag {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(245,158,11,0.25);
  padding: 3px 8px;
  border-radius: 4px;
}

/* HERO */
.hero {
  padding: 140px 24px 80px;
  text-align: left;
}
.hero-inner {
  max-width: 860px;
  margin: 0 auto;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 28px;
  letter-spacing: 0.04em;
}
.badge-dot {
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 24px;
}
.hero-headline em {
  color: var(--accent);
  font-style: italic;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 620px;
  line-height: 1.75;
  margin-bottom: 56px;
}

/* Signal Flow */
.signal-flow {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}
.signal-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 20px 24px;
  min-width: 130px;
  text-align: center;
}
.signal-node span:first-of-type {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}
.node-time {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
}
.node-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}
.ai-icon { background: rgba(245,158,11,0.12); color: var(--accent); }
.book-icon { background: rgba(34,197,94,0.12); color: #22c55e; }

.signal-line {
  display: flex;
  align-items: center;
  padding: 0 8px;
  min-width: 48px;
}
.signal-pulse {
  height: 2px;
  flex: 1;
  background: linear-gradient(90deg, var(--accent), var(--accent-dim));
  border-radius: 2px;
  position: relative;
  overflow: hidden;
}
.signal-pulse::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shimmer 1.8s ease-in-out infinite;
}
.delay-1 .signal-pulse::after { animation-delay: 0.6s; }
@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}
.arrow-icon { color: var(--accent); flex-shrink: 0; }

/* STATS BAND */
.statsband {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 24px;
}
.statsband-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 40px;
}
.stat-value {
  font-family: var(--font-display);
  font-size: 2.25rem;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border-light);
}

/* SECTIONS */
.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 24px;
}
.section-eyebrow {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-heading {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  margin-bottom: 56px;
}

/* HOW IT WORKS */
.howitworks { background: var(--bg); }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  transition: border-color 0.2s;
}
.step-card:hover { border-color: var(--border-light); }
.step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--accent);
  opacity: 0.25;
  line-height: 1;
  margin-bottom: 20px;
}
.step-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.step-desc { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }

/* OUTCOMES */
.outcomes { background: var(--bg-card); }
.outcomes .section-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.outcomes-body { color: var(--text-secondary); line-height: 1.75; margin-bottom: 32px; }
.outcome-list { display: flex; flex-direction: column; gap: 16px; }
.outcome-item { display: flex; align-items: flex-start; gap: 12px; font-size: 0.9rem; color: var(--text-secondary); }
.outcome-item svg { flex-shrink: 0; margin-top: 1px; }

/* Comparison Block */
.comparison-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.comp-col { background: var(--bg); padding: 28px; }
.comp-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.comp-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}
.comp-row:last-child { border-bottom: none; }
.comp-row strong { color: var(--text-primary); font-weight: 600; }
.comp-after .comp-label { color: var(--accent); }

/* NICHE */
.niche { background: var(--bg); }
.niche-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}
.niche-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
}
.niche-icon {
  width: 52px;
  height: 52px;
  background: var(--accent-glow);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}
.niche-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.niche-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.7; }
.niche-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 24px;
}

/* CLOSING */
.closing { background: var(--bg-card); border-top: 1px solid var(--border); }
.closing-inner { text-align: center; }
.closing-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.closing-body {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.8;
}

/* FOOTER */
.footer { background: var(--bg); border-top: 1px solid var(--border); padding: 32px 24px; }
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-brand { font-family: var(--font-display); font-size: 1rem; }
.footer-tagline { font-size: 0.8rem; color: var(--text-muted); flex: 1; }
.footer-copy { font-size: 0.75rem; color: var(--text-muted); }

/* Responsive */
@media (max-width: 768px) {
  .hero { padding: 100px 20px 60px; }
  .signal-flow { gap: 12px; }
  .signal-node { min-width: 110px; padding: 16px 20px; }
  .signal-line { display: none; }
  .steps-grid, .niche-grid { grid-template-columns: 1fr; }
  .statsband-inner { gap: 24px; justify-content: center; }
  .stat-divider { display: none; }
  .stat { padding: 0 24px; }
  .outcomes .section-inner { grid-template-columns: 1fr; gap: 48px; }
  .comparison-block { grid-template-columns: 1fr; }
}