:root {
  --navy: #0A1628;
  --navy-mid: #111D35;
  --navy-light: #1A2744;
  --amber: #F59E0B;
  --amber-dim: #B47208;
  --white: #FFFFFF;
  --white-dim: #E8EDF5;
  --white-muted: #8B9BB4;
  --green: #22C55E;
  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1200px;
  --pad-x: clamp(24px, 5vw, 80px);
}

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

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

/* NAV */
.nav {
  padding: 20px var(--pad-x);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 20px;
  color: var(--white);
  letter-spacing: -0.5px;
}
.nav-tag {
  font-size: 12px;
  color: var(--amber);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* HERO */
.hero {
  padding: clamp(60px, 8vw, 120px) var(--pad-x) clamp(48px, 6vw, 96px);
}
.hero-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-stat {
  font-family: var(--font-head);
  font-size: clamp(72px, 10vw, 128px);
  font-weight: 800;
  color: var(--amber);
  line-height: 1;
  margin-bottom: 12px;
}
.hero-stat-label {
  font-size: 15px;
  color: var(--white-muted);
  max-width: 320px;
  margin-bottom: 32px;
  line-height: 1.5;
}
.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 17px;
  color: var(--white-dim);
  line-height: 1.65;
  max-width: 460px;
}

/* Chat Window */
.hero-visual {
  display: flex;
  justify-content: center;
}
.chat-window {
  background: var(--navy-mid);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  overflow: hidden;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 40px 80px rgba(0,0,0,0.4), 0 0 0 1px rgba(245,158,11,0.1);
}
.chat-header {
  background: var(--navy-light);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--white-muted);
  font-weight: 500;
}
.chat-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.chat-dot.green { background: var(--green); box-shadow: 0 0 6px var(--green); }
.chat-body {
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.chat-msg {
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 13.5px;
  line-height: 1.5;
  max-width: 85%;
}
.chat-msg.biz {
  background: rgba(255,255,255,0.06);
  color: var(--white-dim);
  align-self: flex-end;
}
.chat-msg.ai {
  background: rgba(245,158,11,0.15);
  color: var(--amber);
  border: 1px solid rgba(245,158,11,0.2);
  align-self: flex-start;
}
.chat-timestamp {
  text-align: center;
  font-size: 11px;
  color: var(--green);
  font-weight: 500;
  margin-top: 4px;
}
.chat-badge {
  padding: 10px 18px;
  background: var(--navy-light);
  font-size: 12px;
  color: var(--green);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.badge-green {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  display: inline-block;
}

/* PROOF */
.proof {
  padding: 0 var(--pad-x) clamp(60px, 6vw, 96px);
}
.proof-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.06);
  border-radius: 16px;
  overflow: hidden;
}
.proof-card {
  padding: 40px 36px;
  background: var(--navy-mid);
  text-align: center;
}
.proof-card:first-child { border-radius: 16px 0 0 16px; }
.proof-card:last-child { border-radius: 0 16px 16px 0; }
.proof-number {
  font-family: var(--font-head);
  font-size: clamp(48px, 6vw, 72px);
  font-weight: 800;
  color: var(--amber);
  line-height: 1;
  margin-bottom: 10px;
}
.proof-label {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 10px;
}
.proof-desc {
  font-size: 13px;
  color: var(--white-muted);
  line-height: 1.55;
}

/* HOW */
.how {
  padding: clamp(60px, 6vw, 96px) var(--pad-x);
  background: var(--navy-mid);
}
.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}
.section-headline {
  font-family: var(--font-head);
  font-size: clamp(26px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--white);
  max-width: 600px;
  margin-bottom: 56px;
}
.steps-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}
.step-num {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.step-title {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.step-desc {
  font-size: 14.5px;
  color: var(--white-muted);
  line-height: 1.65;
}
.how-note {
  max-width: var(--max-w);
  margin: 0 auto;
  font-size: 14px;
  color: var(--white-muted);
  font-style: italic;
}

/* PRICING */
.pricing {
  padding: clamp(60px, 6vw, 96px) var(--pad-x);
}
.pricing-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}
.pricing-card {
  background: var(--navy-mid);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 40px 36px;
}
.pricing-card.featured {
  border-color: var(--amber);
  box-shadow: 0 0 0 1px rgba(245,158,11,0.15), inset 0 0 40px rgba(245,158,11,0.03);
}
.pricing-tier {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 14px;
}
.pricing-price {
  font-family: var(--font-head);
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 16px;
}
.pricing-unit {
  font-size: 18px;
  font-weight: 400;
  color: var(--white-muted);
}
.pricing-desc {
  font-size: 14.5px;
  color: var(--white-dim);
  line-height: 1.65;
  margin-bottom: 20px;
}
.pricing-ideal {
  font-size: 12px;
  color: var(--amber);
  font-weight: 500;
}
.pricing-calc {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 20px 28px;
  background: rgba(245,158,11,0.06);
  border: 1px solid rgba(245,158,11,0.15);
  border-radius: 10px;
  font-size: 15px;
  color: var(--white-muted);
  text-align: center;
}
.pricing-calc strong { color: var(--amber); font-weight: 700; }

/* CLOSING */
.closing {
  padding: clamp(80px, 8vw, 120px) var(--pad-x);
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-mid) 100%);
}
.closing-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.closing-quote {
  font-family: var(--font-head);
  font-size: clamp(22px, 3.5vw, 36px);
  font-weight: 600;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}
.closing-sub {
  font-size: 16px;
  color: var(--white-muted);
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto;
}

/* FOOTER */
.footer {
  padding: 40px var(--pad-x);
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-brand { display: flex; flex-direction: column; gap: 4px; }
.footer-name {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}
.footer-tagline {
  font-size: 12px;
  color: var(--white-muted);
}
.footer-meta {
  font-size: 13px;
  color: var(--white-muted);
  max-width: 280px;
  text-align: right;
}

/* MOBILE */
@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .chat-window { max-width: 100%; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-card:first-child { border-radius: 16px 16px 0 0; }
  .proof-card:last-child { border-radius: 0 0 16px 16px; }
  .steps-grid { grid-template-columns: 1fr; gap: 32px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 16px; align-items: flex-start; }
  .footer-meta { text-align: left; }
  .pricing-calc { font-size: 13px; }
}