:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161f;
  --bg-accent: #1a1a26;
  --fg-primary: #f0f0f5;
  --fg-secondary: #9898a8;
  --fg-muted: #6a6a7a;
  --accent: #22d66a;
  --accent-dim: rgba(34, 214, 106, 0.12);
  --accent-glow: rgba(34, 214, 106, 0.25);
  --orange: #ff6b35;
  --blue: #4a90ff;
  --radius: 12px;
  --radius-sm: 8px;
}

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

body {
  background: var(--bg-primary);
  color: var(--fg-primary);
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  max-width: 1280px;
  margin: 0 auto;
  padding: 4rem 3rem;
}

.hero-badge {
  display: inline-block;
  font-family: 'Space Grotesk', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(34, 214, 106, 0.2);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.8rem, 5.5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero h1 .highlight {
  color: var(--accent);
  position: relative;
}

.lede {
  font-size: 1.15rem;
  color: var(--fg-secondary);
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.hero-proof {
  font-size: 0.85rem;
  color: var(--fg-muted);
  font-family: 'Space Grotesk', monospace;
  letter-spacing: 0.02em;
}

/* Phone mockup */
.hero-visual {
  display: flex;
  justify-content: center;
}

.phone-mock {
  width: 320px;
  background: var(--bg-secondary);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  padding: 1.5rem;
  box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 60px var(--accent-glow);
}

.phone-header {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent);
  text-align: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 1rem;
}

.sms-bubble {
  padding: 0.75rem 1rem;
  border-radius: 16px;
  font-size: 0.85rem;
  line-height: 1.5;
  margin-bottom: 0.6rem;
  max-width: 90%;
  position: relative;
}

.sms-outgoing {
  background: var(--accent-dim);
  border: 1px solid rgba(34, 214, 106, 0.15);
  color: var(--fg-primary);
  margin-left: auto;
  border-bottom-right-radius: 4px;
}

.sms-incoming {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  color: var(--fg-secondary);
  margin-right: auto;
  border-bottom-left-radius: 4px;
}

.sms-label {
  display: block;
  font-family: 'Space Grotesk', monospace;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

/* ─── STATS ─── */
.stats {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  padding: 5rem 3rem;
}

.stats-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat-card {
  text-align: center;
  padding: 2rem 1rem;
}

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.stat-desc {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  line-height: 1.5;
}

/* ─── WORKFLOW ─── */
.workflow {
  padding: 7rem 3rem;
  max-width: 1100px;
  margin: 0 auto;
}

.workflow h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.workflow-sub {
  color: var(--fg-secondary);
  font-size: 1.1rem;
  margin-bottom: 4rem;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.wf-step {
  background: var(--bg-secondary);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 0.2s;
}

.wf-step:hover {
  border-color: rgba(34, 214, 106, 0.3);
}

.wf-icon {
  font-family: 'Space Grotesk', monospace;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--accent);
  background: var(--accent-dim);
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.wf-step h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.wf-step p {
  color: var(--fg-secondary);
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ─── VERTICALS ─── */
.verticals {
  background: var(--bg-secondary);
  padding: 6rem 3rem;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.verticals-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.verticals h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.verticals-sub {
  color: var(--fg-secondary);
  font-size: 1.1rem;
  margin-bottom: 3rem;
}

.verticals-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3.5rem;
}

.vert-tag {
  font-family: 'Space Grotesk', monospace;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg-primary);
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 0.6rem 1.25rem;
  border-radius: 100px;
  transition: all 0.2s;
}

.vert-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.verticals-quote {
  background: var(--bg-card);
  border-left: 3px solid var(--accent);
  padding: 2rem 2.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  text-align: left;
  max-width: 500px;
  margin: 0 auto;
}

.verticals-quote p {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  font-style: italic;
  margin-bottom: 0.5rem;
}

.verticals-quote span {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* ─── CLOSING ─── */
.closing {
  padding: 8rem 3rem;
  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;
  opacity: 0.3;
}

.closing-inner {
  max-width: 650px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.closing h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.closing p {
  color: var(--fg-secondary);
  font-size: 1.15rem;
  line-height: 1.75;
  margin-bottom: 1rem;
}

.closing p:last-child {
  color: var(--accent);
  font-weight: 600;
  font-size: 1.25rem;
}

/* ─── FOOTER ─── */
.site-footer {
  border-top: 1px solid rgba(255,255,255,0.04);
  padding: 3rem;
  text-align: center;
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 3rem 1.5rem;
    gap: 3rem;
  }

  .hero-visual {
    order: -1;
  }

  .phone-mock {
    width: 280px;
  }

  .stats-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .stat-number {
    font-size: 2.5rem;
  }

  .workflow {
    padding: 4rem 1.5rem;
  }

  .workflow-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .verticals {
    padding: 4rem 1.5rem;
  }

  .closing {
    padding: 5rem 1.5rem;
  }

  .closing::before {
    width: 350px;
    height: 350px;
  }
}

@media (max-width: 480px) {
  .stats-inner {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .stat-card {
    padding: 1.25rem;
  }

  .verticals-quote {
    padding: 1.5rem;
  }
}