:root {
  --bg: #0a0a0a;
  --bg-elevated: #111111;
  --bg-card: #161616;
  --fg: #e8e8e8;
  --fg-muted: #888888;
  --fg-dim: #555555;
  --accent: #22c55e;
  --accent-dim: rgba(34, 197, 94, 0.12);
  --accent-glow: rgba(34, 197, 94, 0.25);
  --orange: #f97316;
  --red: #ef4444;
  --border: #222222;
  --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);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
}

/* === HERO === */
.hero {
  padding: 140px 24px 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 50% at 50% -20%, var(--accent-glow), transparent);
}

.hero-grid {
  max-width: 860px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--accent);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(40px, 6vw, 72px);
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

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

.lede {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 auto 56px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
  padding: 32px 0;
  border-top: 1px solid var(--border);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 13px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* === PROBLEM === */
.problem {
  padding: 120px 24px;
  background: var(--bg);
}

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

.problem-label,
.features-label,
.how-label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}

.problem h2 {
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: 64px;
  letter-spacing: -0.02em;
  max-width: 700px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
}

.problem-icon {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--fg-dim);
  margin-bottom: 20px;
}

.problem-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.problem-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* === FEATURES === */
.features {
  padding: 120px 24px;
  background: var(--bg-elevated);
}

.features-container {
  max-width: 1000px;
  margin: 0 auto;
}

.features h2 {
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: 56px;
  letter-spacing: -0.02em;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.feature-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: border-color 0.2s;
}

.feature-block:hover {
  border-color: var(--fg-dim);
}

.feature-main {
  grid-column: 1 / -1;
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--accent-dim), var(--bg-card));
}

.feature-main:hover {
  border-color: var(--accent);
}

.feature-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  background: var(--accent-dim);
  margin-bottom: 16px;
}

.feature-block h3 {
  font-size: 22px;
  margin-bottom: 10px;
}

.feature-block p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* === HOW === */
.how {
  padding: 120px 24px;
  background: var(--bg);
}

.how-container {
  max-width: 800px;
  margin: 0 auto;
}

.how h2 {
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: 64px;
  letter-spacing: -0.02em;
}

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: flex;
  gap: 32px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}

.step:first-child {
  border-top: 1px solid var(--border);
}

.step-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--fg-dim);
  line-height: 1;
  min-width: 80px;
}

.step-content h3 {
  font-size: 24px;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* === CLOSING === */
.closing {
  padding: 120px 24px;
  background: var(--bg-elevated);
  text-align: center;
}

.closing-container {
  max-width: 800px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.closing p {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 48px;
}

.closing-industries {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.industry {
  display: inline-block;
  padding: 8px 18px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-muted);
  transition: all 0.2s;
}

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

/* === FOOTER === */
.site-footer {
  padding: 48px 24px;
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--fg-dim);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero {
    padding: 100px 20px 60px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 24px;
  }

  .stat-divider {
    width: 48px;
    height: 1px;
  }

  .problem,
  .features,
  .how,
  .closing {
    padding: 80px 20px;
  }

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

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

  .feature-main {
    grid-column: 1;
  }

  .step {
    flex-direction: column;
    gap: 12px;
  }

  .step-num {
    font-size: 32px;
    min-width: auto;
  }

  .closing-industries {
    gap: 8px;
  }

  .industry {
    padding: 6px 14px;
    font-size: 13px;
  }
}