:root {
  --bg: #F8F7F4;
  --bg-card: #FFFFFF;
  --fg: #1C2535;
  --fg-muted: #5A6478;
  --accent: #F59E0B;
  --accent-dark: #D97706;
  --surface: #EDEDEA;
  --border: #DDD9D0;
  --font-display: 'Outfit', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

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

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(248, 247, 244, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
}
.nav-inner { max-width: 1160px; margin: 0 auto; height: 64px; display: flex; align-items: center; }
.nav-logo { font-family: var(--font-display); font-weight: 700; font-size: 18px; letter-spacing: -0.5px; color: var(--fg); }

/* Hero */
.hero {
  padding: 80px 32px 64px;
  max-width: 1160px;
  margin: 0 auto;
}
.hero-content { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.hero-badge {
  display: inline-block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 20px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -1.5px;
  color: var(--fg);
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.65;
  max-width: 420px;
}

/* AI Window */
.ai-window {
  background: #0F1923;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(28, 37, 53, 0.18), 0 4px 16px rgba(28, 37, 53, 0.1);
  font-family: var(--font-body);
}
.ai-window-header {
  background: #1A2535;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.ai-dot { width: 12px; height: 12px; border-radius: 50%; }
.ai-dot.red { background: #FF5F57; }
.ai-dot.yellow { background: #FEBC2E; }
.ai-dot.green { background: #28C840; }
.ai-window-title { color: #8899AA; font-size: 12px; margin-left: 8px; font-weight: 500; }
.ai-window-body { padding: 20px; display: flex; flex-direction: column; gap: 12px; }

.ai-message { display: flex; gap: 10px; align-items: flex-end; }
.ai-message.incoming { flex-direction: row; }
.ai-message.outgoing { flex-direction: row-reverse; }
.ai-avatar {
  width: 28px; height: 28px; border-radius: 50%; background: #2A3A4F;
  color: #8899AA; font-size: 10px; font-weight: 600; display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.ai-avatar.bot { background: var(--accent); color: #fff; }
.ai-text {
  max-width: 240px; padding: 10px 14px; border-radius: 14px;
  font-size: 13px; line-height: 1.5;
}
.incoming .ai-text { background: #1E2D3D; color: #E8EDF2; }
.outgoing .ai-text { background: var(--accent); color: #fff; }
.ai-status {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; color: #3D5066; margin-top: 4px;
  padding-left: 38px;
}
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: #28C840; }

/* Proof */
.proof {
  background: var(--fg);
  color: #fff;
  padding: 48px 32px;
}
.proof-inner { max-width: 1160px; margin: 0 auto; display: flex; align-items: center; gap: 0; }
.proof-stat { flex: 1; text-align: center; padding: 0 32px; }
.proof-number {
  display: block;
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 900;
  letter-spacing: -2px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}
.proof-label { font-size: 14px; color: #8899AA; line-height: 1.4; }
.proof-divider { width: 1px; height: 64px; background: #2A3A4F; flex-shrink: 0; }

/* Sections */
.features, .howitworks, .niches, .closing { padding: 96px 32px; max-width: 1160px; margin: 0 auto; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--fg);
  line-height: 1.15;
}

/* Features grid */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; background: var(--border); border: 1px solid var(--border); border-radius: 20px; overflow: hidden; }
.feature-card {
  background: var(--bg-card);
  padding: 40px 36px;
  transition: background 0.2s;
}
.feature-card:hover { background: #FDFCF8; }
.feature-icon {
  width: 44px; height: 44px;
  background: var(--surface);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  color: var(--accent-dark);
}
.feature-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}
.feature-desc { font-size: 14px; color: var(--fg-muted); line-height: 1.6; }

/* How it works */
.steps { display: flex; align-items: flex-start; gap: 0; }
.step { flex: 1; padding: 0 32px; }
.step-connector { flex-shrink: 0; width: 80px; height: 2px; background: var(--border); margin-top: 32px; position: relative; }
.step-connector::after { content: ''; position: absolute; right: -2px; top: -4px; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); }
.step-number { font-family: var(--font-display); font-size: 48px; font-weight: 900; color: var(--accent); letter-spacing: -2px; line-height: 1; margin-bottom: 16px; }
.step-title { font-family: var(--font-display); font-size: 18px; font-weight: 700; color: var(--fg); margin-bottom: 10px; }
.step-desc { font-size: 14px; color: var(--fg-muted); line-height: 1.65; }

/* Niches */
.niches { background: var(--fg); color: #fff; max-width: none; padding: 80px 32px; }
.niches .section-tag { color: var(--accent); }
.niches-inner { max-width: 1160px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.niches-title { font-family: var(--font-display); font-size: clamp(24px, 3vw, 36px); font-weight: 800; letter-spacing: -1px; color: #fff; line-height: 1.2; margin: 16px 0 20px; }
.niches-desc { font-size: 15px; color: #8899AA; line-height: 1.7; }
.niches-list { display: flex; flex-direction: column; gap: 16px; }
.niche-item { display: flex; align-items: center; gap: 16px; padding: 18px 24px; background: #1A2535; border-radius: 12px; font-size: 15px; font-weight: 500; color: #E8EDF2; }
.niche-icon { color: var(--accent); flex-shrink: 0; }

/* Closing */
.closing { text-align: center; padding: 80px 32px 96px; max-width: 1160px; margin: 0 auto; }
.closing-title { font-family: var(--font-display); font-size: clamp(24px, 3.5vw, 42px); font-weight: 800; color: var(--fg); letter-spacing: -1px; line-height: 1.2; margin-bottom: 16px; }
.closing-sub { font-size: 17px; color: var(--fg-muted); max-width: 480px; margin: 0 auto; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 40px 32px; }
.footer-inner { max-width: 1160px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.footer-logo { font-family: var(--font-display); font-weight: 700; font-size: 16px; color: var(--fg); display: block; margin-bottom: 4px; }
.footer-tagline { font-size: 13px; color: var(--fg-muted); }
.footer-copy { font-size: 13px; color: var(--fg-muted); }

/* Responsive */
@media (max-width: 768px) {
  .hero-content { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { order: -1; }
  .proof-inner { flex-direction: column; gap: 40px; }
  .proof-divider { width: 64px; height: 1px; }
  .features-grid { grid-template-columns: 1fr; }
  .steps { flex-direction: column; gap: 40px; }
  .step-connector { display: none; }
  .niches-inner { grid-template-columns: 1fr; gap: 48px; }
  .footer-inner { flex-direction: column; gap: 24px; text-align: center; }
  .closing-title { font-size: 28px; }
  .hero { padding: 56px 24px 48px; }
  .features, .howitworks { padding: 64px 24px; }
}