:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #16161f;
  --bg-card-hover: #1c1c28;
  --text-primary: #e8e8ed;
  --text-secondary: #8a8a9a;
  --text-muted: #5a5a6a;
  --accent: #6ee7b7;
  --accent-dim: #34d399;
  --accent-glow: rgba(110, 231, 183, 0.15);
  --border: rgba(255,255,255,0.06);
  --border-accent: rgba(110, 231, 183, 0.2);
  --radius: 12px;
  --radius-lg: 20px;
}

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

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

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* HERO */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-inner {
  max-width: 800px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid var(--border-accent);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 24px;
}

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

.lede {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

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

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(110,231,183,0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

/* PROBLEM */
.problem {
  padding: 100px 24px;
  background: var(--bg-secondary);
}

.problem-inner {
  max-width: 960px;
  margin: 0 auto;
}

.problem h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  color: var(--text-primary);
  margin-bottom: 16px;
  max-width: 700px;
}

.problem-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin-bottom: 48px;
  line-height: 1.7;
}

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

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: border-color 0.2s;
}

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

.problem-icon {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: 10px;
}

.problem-card h3 {
  font-size: 1.15rem;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.problem-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* FEATURES */
.features {
  padding: 100px 24px;
}

.features-inner {
  max-width: 960px;
  margin: 0 auto;
}

.section-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 12px;
}

.features h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  color: var(--text-primary);
  margin-bottom: 48px;
  max-width: 600px;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.feature-large {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(110,231,183,0.04) 100%);
  border-color: var(--border-accent);
}

.feature-tag {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent-dim);
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 1.2rem;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* HOW */
.how {
  padding: 100px 24px;
  background: var(--bg-secondary);
}

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

.how h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  color: var(--text-primary);
  margin-bottom: 56px;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

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

.step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.3;
  line-height: 1;
  min-width: 64px;
}

.step-content h3 {
  font-size: 1.15rem;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.step-content p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* CLOSING */
.closing {
  padding: 120px 24px;
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(110,231,183,0.05) 0%, transparent 70%);
  pointer-events: none;
}

.closing-inner {
  max-width: 640px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.closing h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  color: var(--text-primary);
  margin-bottom: 20px;
}

.closing p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

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

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

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

/* RESPONSIVE */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .feature-large {
    grid-column: span 1;
  }
  .hero-stats {
    gap: 20px;
  }
  .stat-divider {
    display: none;
  }
  .step {
    flex-direction: column;
    gap: 8px;
  }
  .step-num {
    font-size: 1.8rem;
    min-width: unset;
  }
  .hero {
    min-height: auto;
    padding: 80px 20px 60px;
  }
  .problem, .features, .how {
    padding: 64px 20px;
  }
  .closing {
    padding: 80px 20px;
  }
}