:root {
  --bg: #0d0d0d;
  --surface: #161616;
  --surface-2: #1e1e1e;
  --fg: #f5f5f0;
  --fg-muted: #8a8a80;
  --accent: #FF6B2B;
  --accent-dim: rgba(255, 107, 43, 0.12);
  --accent-border: rgba(255, 107, 43, 0.3);
  --radius: 10px;
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

* { 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 */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(13,13,13,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: 0.02em;
  color: var(--fg);
}
.nav-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 32px 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255,107,43,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  width: 100%;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero-headline {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(52px, 7vw, 88px);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 24px;
}
.hero-lede {
  font-size: 18px;
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 480px;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--accent);
}
.stat-desc { font-size: 12px; color: var(--fg-muted); max-width: 100px; line-height: 1.4; }
.stat-sep {
  width: 1px;
  height: 36px;
  background: rgba(255,255,255,0.1);
}

/* HERO VISUAL */
.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  position: relative;
}
.phone-frame {
  width: 280px;
  background: #1a1a1a;
  border-radius: 36px;
  border: 1.5px solid rgba(255,255,255,0.1);
  padding: 12px;
  box-shadow: 0 40px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,107,43,0.1);
}
.phone-header {
  display: flex;
  justify-content: center;
  margin-bottom: 12px;
  padding-top: 4px;
}
.phone-notch {
  width: 80px;
  height: 22px;
  background: #111;
  border-radius: 12px;
}
.phone-screen {
  background: #111;
  border-radius: 26px;
  overflow: hidden;
  padding: 16px;
}
.chat-window {
  background: var(--surface);
  border-radius: 16px;
  padding: 12px;
  margin-bottom: 10px;
}
.chat-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.chat-agent-icon { display: flex; align-items: center; }
.chat-agent-name { font-size: 11px; font-weight: 600; color: var(--fg); flex: 1; }
.chat-status {
  font-size: 9px;
  color: #16a34a;
  background: rgba(22,163,74,0.15);
  padding: 2px 6px;
  border-radius: 8px;
}
.chat-messages { display: flex; flex-direction: column; gap: 8px; }
.msg { display: flex; flex-direction: column; }
.msg-agent { align-items: flex-start; }
.msg-customer { align-items: flex-end; }
.bubble {
  font-size: 11px;
  line-height: 1.5;
  padding: 8px 10px;
  border-radius: 12px;
  max-width: 200px;
}
.bubble-agent {
  background: var(--surface-2);
  color: var(--fg);
  border-bottom-left-radius: 4px;
}
.bubble-customer {
  background: var(--accent-dim);
  color: var(--fg);
  border-bottom-right-radius: 4px;
}
.payment-confirm {
  display: flex;
  align-items: center;
  background: rgba(22,163,74,0.12);
  border: 1px solid rgba(22,163,74,0.2);
}
.msg-time { font-size: 9px; color: var(--fg-muted); margin-top: 3px; padding: 0 2px; }
.invoice-summary {
  background: var(--surface);
  border-radius: 10px;
  padding: 10px 12px;
}
.invoice-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 0;
}
.invoice-label { font-size: 11px; color: var(--fg-muted); }
.invoice-amount { font-size: 13px; font-weight: 600; color: var(--fg); }
.invoice-status {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 8px;
}
.invoice-status.paid { background: rgba(22,163,74,0.15); color: #16a34a; }
.invoice-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 8px 14px;
  font-size: 12px;
  color: var(--fg-muted);
}

/* PROBLEM */
.problem {
  padding: 120px 32px;
  background: var(--surface);
}
.problem-inner { max-width: 1100px; margin: 0 auto; }
.problem-label, .how-label, .pricing-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  font-weight: 600;
}
.problem-headline, .how-headline, .pricing-headline, .closing-headline {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 64px;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.problem-card {
  background: var(--bg);
  padding: 40px 36px;
  border: 1px solid rgba(255,255,255,0.04);
}
.problem-icon { margin-bottom: 20px; }
.problem-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--fg);
}
.problem-card p { font-size: 15px; color: var(--fg-muted); line-height: 1.6; }

/* HOW */
.how { padding: 120px 32px; background: var(--bg); }
.how-inner { max-width: 1100px; margin: 0 auto; }
.steps { display: flex; flex-direction: column; gap: 0; }
.step {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 40px;
  align-items: start;
  padding: 48px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.step:last-child { border-bottom: none; }
.step-num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 48px;
  color: var(--accent-dim);
  line-height: 1;
  padding-top: 4px;
}
.step-content h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 28px;
  margin-bottom: 12px;
  color: var(--fg);
}
.step-content p { font-size: 16px; color: var(--fg-muted); line-height: 1.7; max-width: 600px; }

/* FEATURES */
.features { padding: 120px 32px; background: var(--surface); }
.features-inner { max-width: 1100px; margin: 0 auto; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.feature-card {
  background: var(--bg);
  padding: 36px 32px;
  border: 1px solid rgba(255,255,255,0.04);
}
.feature-icon { margin-bottom: 16px; }
.feature-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--fg);
}
.feature-card p { font-size: 14px; color: var(--fg-muted); line-height: 1.6; }

/* PRICING */
.pricing { padding: 120px 32px; background: var(--bg); }
.pricing-inner { max-width: 1100px; margin: 0 auto; text-align: center; }
.pricing-headline { margin-bottom: 48px; }
.pricing-card {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}
.pricing-tier {
  background: var(--surface);
  border: 1px solid var(--accent-border);
  border-radius: 16px;
  padding: 48px 64px;
  text-align: left;
  max-width: 480px;
  width: 100%;
}
.tier-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.tier-price {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 64px;
  color: var(--fg);
  line-height: 1;
  margin-bottom: 8px;
}
.tier-period {
  font-size: 20px;
  font-weight: 400;
  color: var(--fg-muted);
}
.tier-desc {
  font-size: 14px;
  color: var(--fg-muted);
  margin-bottom: 32px;
  line-height: 1.6;
}
.tier-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.tier-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--fg);
}
.pricing-note {
  font-size: 14px;
  color: var(--fg-muted);
}

/* CLOSING */
.closing { padding: 120px 32px; background: var(--surface); }
.closing-inner { max-width: 1100px; margin: 0 auto; text-align: center; }
.closing-headline { margin-bottom: 24px; }
.closing-body {
  font-size: 20px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 640px;
  margin: 0 auto 40px;
}
.cta-label {
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0.05em;
}

/* FOOTER */
.site-footer {
  padding: 64px 32px;
  background: var(--bg);
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-inner { max-width: 1100px; margin: 0 auto; }
.footer-logo {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 28px;
  color: var(--fg);
  margin-bottom: 12px;
}
.footer-desc {
  font-size: 14px;
  color: var(--fg-muted);
  max-width: 400px;
  margin-bottom: 40px;
  line-height: 1.6;
}
.footer-bottom {
  font-size: 13px;
  color: rgba(255,255,255,0.3);
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .problem-grid, .features-grid { grid-template-columns: 1fr; }
  .step { grid-template-columns: 1fr; gap: 12px; }
  .hero-stats { flex-wrap: wrap; }
}
@media (max-width: 600px) {
  .hero { padding: 100px 20px 60px; }
  .problem, .how, .features, .pricing, .closing { padding: 80px 20px; }
  .pricing-tier { padding: 32px 24px; }
}