:root {
  --bg: #0a0a0f;
  --bg-surface: #12121a;
  --bg-card: #1a1a26;
  --fg: #e8e8f0;
  --fg-muted: #8888a0;
  --accent: #00ff88;
  --accent-dim: #00cc6a;
  --accent-glow: rgba(0, 255, 136, 0.15);
  --border: #2a2a3a;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero {
  padding: 120px 40px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-inner {
  max-width: 720px;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-glow);
  border: 1px solid rgba(0, 255, 136, 0.3);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  color: var(--fg);
}

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

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 64px;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 28px;
  transition: border-color 0.3s ease;
}

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

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
}

.stat-label {
  display: block;
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* ===== PROBLEM ===== */
.problem {
  padding: 100px 40px;
  background: var(--bg-surface);
}

.problem-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  max-width: 680px;
  margin-bottom: 56px;
  letter-spacing: -0.02em;
}

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

.problem-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 28px;
}

.problem-icon {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.3;
}

.problem-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===== FEATURES ===== */
.features {
  padding: 100px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.features-header {
  margin-bottom: 72px;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.feature-row {
  display: flex;
  align-items: flex-start;
  gap: 40px;
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.feature-row:last-child {
  border-bottom: 1px solid var(--border);
}

.feature-number {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-dim);
  letter-spacing: 2px;
  min-width: 40px;
  padding-top: 4px;
}

.feature-content h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-content p {
  color: var(--fg-muted);
  font-size: 0.98rem;
  max-width: 560px;
  line-height: 1.7;
}

/* ===== HOW ===== */
.how {
  padding: 100px 40px;
  background: var(--bg-surface);
}

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

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 64px;
  letter-spacing: -0.02em;
}

.how-steps {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 28px;
}

.step-marker {
  width: 16px;
  height: 16px;
  min-width: 16px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 6px;
  box-shadow: 0 0 20px var(--accent-glow);
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 520px;
}

.step-line {
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent-dim), transparent);
  margin-left: 7px;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 40px;
  text-align: center;
}

.closing-inner {
  max-width: 720px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 48px 40px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--fg);
}

.footer-tagline {
  color: var(--fg-muted);
  font-size: 0.88rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    padding: 80px 24px 60px;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 48px;
  }
  
  .stat-card {
    padding: 24px 20px;
  }
  
  .stat-number {
    font-size: 2.2rem;
  }
  
  .problem {
    padding: 72px 24px;
  }
  
  .problem-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .problem h2 {
    margin-bottom: 40px;
  }
  
  .features {
    padding: 72px 24px;
  }
  
  .feature-row {
    flex-direction: column;
    gap: 12px;
    padding: 28px 0;
  }
  
  .how {
    padding: 72px 24px;
  }
  
  .closing {
    padding: 80px 24px;
  }
  
  .site-footer {
    padding: 36px 24px;
  }
  
  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}