:root {
  --bg: #080c14;
  --bg-card: #0d1624;
  --bg-card-hover: #111d30;
  --fg: #e8edf5;
  --fg-muted: #7a8ba3;
  --accent: #3b82f6;
  --accent-mint: #10d4a0;
  --border: rgba(59, 130, 246, 0.15);
  --signal-blue: #60a5fa;
  --signal-green: #34d399;
  --signal-amber: #fbbf24;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 48px;
  max-width: 1200px;
  margin: 0 auto;
}
.nav-brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 18px; }
.brand-mark { background: var(--accent); color: white; padding: 4px 9px; border-radius: 6px; font-size: 13px; font-weight: 800; letter-spacing: -0.5px; }
.nav-links { display: flex; gap: 36px; }
.nav-links a { color: var(--fg-muted); text-decoration: none; font-size: 14px; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--fg); }

/* HERO */
.hero {
  padding: 80px 48px 64px;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 212, 160, 0.1);
  border: 1px solid rgba(16, 212, 160, 0.25);
  color: var(--accent-mint);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 28px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.badge-dot { width: 6px; height: 6px; background: var(--accent-mint); border-radius: 50%; display: inline-block; animation: pulse-dot 2s ease-in-out infinite; }
@keyframes pulse-dot { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 20px;
}
.hero-sub {
  color: var(--fg-muted);
  font-size: 17px;
  line-height: 1.65;
  max-width: 460px;
  margin-bottom: 36px;
}

/* INTERFACE PREVIEW */
.hero-interface {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 32px 64px rgba(0,0,0,0.5), 0 0 0 1px rgba(59,130,246,0.08) inset;
}
.interface-topbar {
  background: rgba(255,255,255,0.04);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.topbar-dot { width: 10px; height: 10px; border-radius: 50%; }
.topbar-dot.red { background: #ff5f57; }
.topbar-dot.yellow { background: #febc2e; }
.topbar-dot.green { background: #28c840; }
.topbar-label { font-size: 11px; color: var(--fg-muted); margin-left: 10px; font-weight: 500; }
.interface-body { padding: 20px; }
.visitor-row { display: flex; align-items: center; gap: 12px; padding-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,0.06); margin-bottom: 14px; }
.visitor-indicator { width: 8px; height: 8px; background: var(--accent-mint); border-radius: 50%; box-shadow: 0 0 8px var(--accent-mint); }
.visitor-info { flex: 1; }
.visitor-label { font-size: 14px; font-weight: 600; display: block; }
.visitor-time { font-size: 12px; color: var(--fg-muted); }
.intent-badge { display: flex; flex-direction: column; align-items: center; background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.2); padding: 6px 12px; border-radius: 8px; }
.intent-label { font-size: 9px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--fg-muted); }
.intent-score { font-family: var(--font-display); font-size: 18px; font-weight: 700; color: var(--signal-blue); }
.signals-row { margin-bottom: 14px; }
.signal-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--fg-muted); display: block; margin-bottom: 8px; }
.signal-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.sig { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08); font-size: 11px; padding: 4px 10px; border-radius: 6px; color: var(--fg-muted); }
.sig::before { content: '+'; color: var(--signal-green); margin-right: 4px; font-weight: 600; }
.agent-response { display: flex; align-items: center; gap: 10px; background: rgba(16, 212, 160, 0.07); border: 1px solid rgba(16, 212, 160, 0.2); padding: 10px 14px; border-radius: 8px; }
.agent-badge { background: var(--accent-mint); color: #080c14; font-size: 10px; font-weight: 800; padding: 2px 6px; border-radius: 4px; letter-spacing: 0.05em; }
.agent-text { font-size: 12px; color: var(--fg-muted); }

/* STATS */
.stats {
  background: var(--bg-card);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 40px 48px;
}
.stat { text-align: center; padding: 0 48px; }
.stat-num { display: block; font-family: var(--font-display); font-size: 40px; font-weight: 800; color: var(--fg); letter-spacing: -0.04em; }
.stat-label { display: block; font-size: 13px; color: var(--fg-muted); margin-top: 4px; }
.stat-divider { width: 1px; height: 48px; background: rgba(255,255,255,0.08); }

/* AGENTS */
.agents { padding: 96px 48px; max-width: 1200px; margin: 0 auto; }
.agents-header { text-align: center; margin-bottom: 60px; }
.agents-header h2 { font-family: var(--font-display); font-size: 36px; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 12px; }
.agents-header p { color: var(--fg-muted); font-size: 16px; max-width: 520px; margin: 0 auto; }
.agent-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.agent-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 32px; transition: border-color 0.2s, background 0.2s; }
.agent-card:hover { border-color: rgba(59, 130, 246, 0.35); background: var(--bg-card-hover); }
.agent-icon { width: 48px; height: 48px; background: rgba(59, 130, 246, 0.1); border: 1px solid rgba(59, 130, 246, 0.2); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--accent); margin-bottom: 20px; }
.agent-card h3 { font-family: var(--font-display); font-size: 20px; font-weight: 700; margin-bottom: 10px; letter-spacing: -0.02em; }
.agent-card p { color: var(--fg-muted); font-size: 14px; line-height: 1.6; margin-bottom: 16px; }
.agent-tag { font-size: 11px; font-weight: 600; color: var(--accent-mint); background: rgba(16, 212, 160, 0.08); border: 1px solid rgba(16, 212, 160, 0.15); padding: 5px 12px; border-radius: 20px; display: inline-block; letter-spacing: 0.03em; }

/* HOW */
.how { padding: 96px 48px; max-width: 1200px; margin: 0 auto; }
.how-title { font-family: var(--font-display); font-size: 30px; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 56px; max-width: 600px; line-height: 1.2; }
.how-steps { display: flex; flex-direction: column; gap: 0; margin-bottom: 56px; }
.how-step { display: grid; grid-template-columns: 80px 1fr; gap: 32px; padding: 36px 0; border-top: 1px solid rgba(255,255,255,0.06); align-items: start; }
.step-num { font-family: var(--font-display); font-size: 48px; font-weight: 800; color: rgba(59, 130, 246, 0.2); letter-spacing: -0.04em; line-height: 1; padding-top: 4px; }
.step-content h3 { font-family: var(--font-display); font-size: 20px; font-weight: 700; margin-bottom: 8px; letter-spacing: -0.02em; }
.step-content p { color: var(--fg-muted); font-size: 15px; line-height: 1.6; max-width: 540px; }
.how-proof { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 28px 32px; display: flex; gap: 24px; align-items: center; }
.proof-label { font-family: var(--font-display); font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); white-space: nowrap; }
.how-proof p { color: var(--fg-muted); font-size: 14px; }

/* PRICING */
.pricing { padding: 96px 48px; max-width: 1200px; margin: 0 auto; }
.pricing h2 { font-family: var(--font-display); font-size: 36px; font-weight: 700; letter-spacing: -0.03em; text-align: center; margin-bottom: 48px; }
.pricing-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.pricing-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 36px; position: relative; }
.pricing-card.popular { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.popular-label { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--accent); color: white; font-size: 11px; font-weight: 700; padding: 4px 16px; border-radius: 20px; letter-spacing: 0.05em; text-transform: uppercase; }
.pricing-card h4 { font-family: var(--font-display); font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.price { margin-bottom: 6px; }
.price-amt { font-family: var(--font-display); font-size: 40px; font-weight: 800; letter-spacing: -0.04em; }
.price-period { font-size: 16px; color: var(--fg-muted); font-weight: 400; margin-left: 4px; }
.price-tagline { color: var(--fg-muted); font-size: 13px; margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.price-features { list-style: none; }
.price-features li { font-size: 13px; padding: 5px 0; color: var(--fg-muted); border-bottom: 1px solid rgba(255,255,255,0.04); }
.price-features li::before { content: '✓ '; color: var(--accent-mint); margin-right: 6px; font-weight: 700; }

/* CLOSING */
.closing { padding: 96px 48px; text-align: center; max-width: 1200px; margin: 0 auto; }
.closing h2 { font-family: var(--font-display); font-size: 36px; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 16px; }
.closing p { color: var(--fg-muted); font-size: 18px; }

/* FOOTER */
.footer { border-top: 1px solid rgba(255,255,255,0.06); padding: 40px 48px; max-width: 1200px; margin: 0 auto; display: flex; align-items: center; gap: 32px; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 15px; color: var(--fg-muted); }
.footer-links { display: flex; gap: 24px; margin-left: auto; }
.footer-links a { color: var(--fg-muted); text-decoration: none; font-size: 13px; }
.footer-links a:hover { color: var(--fg); }
.footer-copy { color: var(--fg-muted); font-size: 12px; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; padding: 48px 24px; gap: 40px; }
  .hero-headline { font-size: 32px; }
  .stats { flex-wrap: wrap; gap: 24px; padding: 32px 24px; }
  .stat { padding: 0; flex: 1; min-width: 120px; }
  .stat-divider { display: none; }
  .agent-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .how-step { grid-template-columns: 48px 1fr; gap: 16px; }
  .step-num { font-size: 32px; }
  .nav { padding: 16px 24px; }
  .nav-links { display: none; }
  .how-proof { flex-direction: column; gap: 12px; }
  .footer { flex-wrap: wrap; }
  .footer-links { margin-left: 0; }
}