:root {
  --bg: #0a0a0f;
  --bg-subtle: #12121a;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --accent: #22c55e;
  --accent-dim: rgba(34, 197, 94, 0.12);
  --accent-glow: rgba(34, 197, 94, 0.25);
  --border: rgba(255, 255, 255, 0.06);
  --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;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* Hero */
.hero {
  padding: 120px 24px 80px;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
  font-family: var(--font-display);
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 4.5rem);
  font-weight: 700;
  margin-bottom: 24px;
}

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

.hero .lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 32px;
  padding: 24px 32px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: inline-flex;
}

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

.stat-number {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* Problem */
.problem {
  padding: 80px 24px;
  max-width: 900px;
  margin: 0 auto;
}

.problem h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 48px;
  text-align: center;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.problem-item {
  padding: 28px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.problem-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.problem-item p {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

/* Features */
.features {
  padding: 80px 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.features-header {
  text-align: center;
  margin-bottom: 48px;
}

.features-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 12px;
}

.features-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

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

.feature-large {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--bg-subtle), rgba(34, 197, 94, 0.04));
  border-color: var(--accent-glow);
}

.feature-tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 12px;
  font-family: var(--font-display);
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
  font-weight: 600;
}

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

/* Comparison */
.comparison {
  padding: 80px 24px;
  max-width: 750px;
  margin: 0 auto;
}

.comparison h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 36px;
  text-align: center;
}

.comparison-table {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.comparison-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  border-bottom: 1px solid var(--border);
}

.comparison-row:last-child {
  border-bottom: none;
}

.comparison-header {
  background: var(--bg-subtle);
}

.comparison-cell {
  padding: 16px 20px;
  font-size: 0.9rem;
  color: var(--fg-muted);
}

.comparison-cell.label {
  font-weight: 500;
  color: var(--fg);
  font-family: var(--font-display);
}

.comparison-cell.accent {
  color: var(--accent);
  font-weight: 500;
}

.comparison-header .comparison-cell {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  font-family: var(--font-display);
}

.comparison-header .comparison-cell.accent {
  color: var(--accent);
}

/* Closing */
.closing {
  padding: 100px 24px;
  text-align: center;
}

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

.closing h2 {
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  margin-bottom: 20px;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

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

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 4px;
}

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

/* Landing nav */
.landing-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 64px;
  position: sticky;
  top: 0;
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.nav-brand-lg {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--accent);
}

.btn-nav-cta {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--accent-glow);
  padding: 8px 18px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  transition: background 0.2s;
}
.btn-nav-cta:hover { background: var(--accent-glow); }

/* Hero CTA */
.hero-cta-row {
  margin-bottom: 40px;
}

.btn-hero-primary {
  display: inline-block;
  background: var(--accent);
  color: #000;
  padding: 14px 32px;
  border-radius: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: opacity 0.18s, transform 0.18s;
  letter-spacing: -0.01em;
}
.btn-hero-primary:hover { opacity: 0.88; transform: translateY(-1px); }

/* Mobile */
@media (max-width: 768px) {
  .hero {
    padding: 80px 20px 60px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
    width: 100%;
    display: flex;
  }

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

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

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

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

  .comparison-row {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .comparison-cell {
    padding: 12px 10px;
    font-size: 0.8rem;
  }
}