:root {
  --bg-primary: #0B1120;
  --bg-secondary: #111827;
  --bg-card: #1A2332;
  --bg-accent: #1E293B;
  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --accent: #F59E0B;
  --accent-glow: rgba(245, 158, 11, 0.15);
  --accent-hover: #FBBF24;
  --success: #10B981;
  --border: rgba(148, 163, 184, 0.1);
  --radius: 12px;
  --font-display: 'Syne', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

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

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

/* ---- NAV ---- */
.nav {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 8px;
  transition: color 0.2s ease, background 0.2s ease;
}
.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-card);
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo {
  color: var(--accent);
  font-size: 24px;
  transform: rotate(180deg);
  display: inline-block;
}
.nav-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -0.5px;
}

/* ---- HERO ---- */
.hero {
  padding: 100px 0 80px;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}
.hero-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-tag {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 24px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -2px;
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 500px;
}

/* Phone mockup */
.hero-phone {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 32px 24px;
  max-width: 340px;
  margin-left: auto;
  box-shadow: 0 24px 80px rgba(0,0,0,0.4);
}
.phone-screen {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.phone-status {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--success);
  font-weight: 600;
}
.phone-caller {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
}
.phone-time {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.phone-ai-badge {
  display: inline-block;
  background: var(--accent-glow);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  width: fit-content;
  margin-bottom: 12px;
}
.phone-transcript {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.transcript-ai {
  background: var(--accent-glow);
  border-left: 2px solid var(--accent);
  padding: 10px 14px;
  border-radius: 0 8px 8px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
}
.transcript-caller {
  background: rgba(148, 163, 184, 0.08);
  border-left: 2px solid var(--text-muted);
  padding: 10px 14px;
  border-radius: 0 8px 8px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-secondary);
}

/* ---- STATS ---- */
.stats {
  padding: 60px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
}
.stat-card {
  text-align: center;
  flex: 1;
}
.stat-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  color: var(--accent);
  display: block;
  letter-spacing: -1px;
}
.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  display: block;
  margin-top: 8px;
  max-width: 200px;
  margin-left: auto;
  margin-right: auto;
}
.stat-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
}

/* ---- HOW / FEATURES ---- */
.how {
  padding: 100px 0;
}
.how-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-tag {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-headline {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -1.5px;
  margin-bottom: 56px;
}
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.feature-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: border-color 0.25s ease;
}
.feature-block:hover {
  border-color: rgba(245, 158, 11, 0.3);
}
.feature-icon {
  font-size: 28px;
  margin-bottom: 16px;
}
.feature-block h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}
.feature-block p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---- WHO ---- */
.who {
  padding: 80px 0 100px;
  background: var(--bg-secondary);
}
.who-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}
.who-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.who-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform 0.2s ease, border-color 0.25s ease;
}
.who-card:hover {
  transform: translateY(-4px);
  border-color: rgba(245, 158, 11, 0.25);
}
.who-emoji {
  font-size: 32px;
  display: block;
  margin-bottom: 14px;
}
.who-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.who-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ---- CLOSING ---- */
.closing {
  padding: 120px 0;
  background: linear-gradient(180deg, var(--bg-primary) 0%, #0D1525 50%, var(--bg-primary) 100%);
  text-align: center;
  position: relative;
}
.closing::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}
.closing-inner {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}
.closing-headline {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 24px;
}
.closing-sub {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* ---- FOOTER ---- */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-text {
  font-size: 13px;
  color: var(--text-muted);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero-headline {
    font-size: 38px;
  }
  .hero-phone {
    margin-left: 0;
    max-width: 100%;
  }
  .stats-inner {
    flex-direction: column;
    gap: 32px;
  }
  .stat-divider {
    width: 60px;
    height: 1px;
  }
  .stat-number {
    font-size: 36px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .who-grid {
    grid-template-columns: 1fr;
  }
  .section-headline {
    font-size: 30px;
  }
  .closing-headline {
    font-size: 34px;
  }
  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  .hero {
    padding: 60px 0 48px;
  }
  .how {
    padding: 60px 0;
  }
  .who {
    padding: 60px 0;
  }
  .closing {
    padding: 80px 0;
  }
}