:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #1a1a26;
  --fg: #e8e8f0;
  --fg-muted: #8888a0;
  --fg-dim: #555570;
  --accent: #4ade80;
  --accent-glow: rgba(74, 222, 128, 0.15);
  --accent-secondary: #22d3ee;
  --border: #2a2a3a;
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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

/* === HERO === */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 4rem 2rem;
  position: relative;
  overflow: hidden;
  background: 
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(74, 222, 128, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 80% 20%, rgba(34, 211, 238, 0.05) 0%, transparent 60%),
    var(--bg);
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  border: 1px solid var(--accent);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
  background: var(--accent-glow);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  max-width: 800px;
}

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

.lede {
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  color: var(--fg-muted);
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1.5rem 2.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.stat { text-align: center; }

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* === PROBLEM === */
.problem {
  padding: 6rem 2rem;
  background: var(--bg-elevated);
}

.problem-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.problem-label,
.how-label,
.verticals-label,
.numbers-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 1rem;
}

.problem h2,
.how h2,
.verticals h2,
.numbers h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
  max-width: 700px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

.problem-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 100, 100, 0.1);
  border: 1px solid rgba(255, 100, 100, 0.2);
  border-radius: 10px;
  font-size: 1.2rem;
  color: #ff6464;
  margin-bottom: 1rem;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.problem-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* === HOW IT WORKS === */
.how {
  padding: 6rem 2rem;
}

.how-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.pipeline {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.pipeline-step {
  flex: 1;
  padding: 2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
}

.pipeline-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  flex-shrink: 0;
  font-size: 1.5rem;
  color: var(--accent);
  padding-top: 2rem;
}

.step-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.4;
  margin-bottom: 0.75rem;
}

.pipeline-step h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.pipeline-step p {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* === VERTICALS === */
.verticals {
  padding: 6rem 2rem;
  background: var(--bg-elevated);
}

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

.verticals-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.vertical-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}

.vertical-card:hover {
  border-color: var(--accent);
}

.v-icon {
  font-size: 1.5rem;
  color: var(--accent);
}

.vertical-card span {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
}

/* === NUMBERS === */
.numbers {
  padding: 6rem 2rem;
}

.numbers-inner {
  max-width: 900px;
  margin: 0 auto;
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.number-block {
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.number-big {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

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

.numbers-footnote {
  font-size: 0.95rem;
  color: var(--fg-muted);
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* === CLOSING === */
.closing {
  padding: 8rem 2rem;
  text-align: center;
  position: relative;
  background:
    radial-gradient(ellipse 50% 60% at 50% 100%, rgba(74, 222, 128, 0.06) 0%, transparent 70%),
    var(--bg-elevated);
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.closing-text {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.closing-subtext {
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* === FOOTER === */
.site-footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-inner {
  max-width: 600px;
  margin: 0 auto;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--fg-dim);
  margin-bottom: 0.75rem;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--fg-dim);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero-stats {
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem;
  }

  .stat-divider {
    width: 60px;
    height: 1px;
  }

  .problem-grid {
    grid-template-columns: 1fr;
  }

  .pipeline {
    flex-direction: column;
  }

  .pipeline-arrow {
    width: 100%;
    height: 30px;
    transform: rotate(90deg);
    padding-top: 0;
  }

  .verticals-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .numbers-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 3rem 1.25rem;
    min-height: 80vh;
  }

  .problem,
  .how,
  .verticals,
  .numbers {
    padding: 4rem 1.25rem;
  }

  .closing {
    padding: 5rem 1.25rem;
  }
}