:root {
  --bg: #0a0e13;
  --bg-surface: #111820;
  --bg-card: #161d27;
  --fg: #e8edf3;
  --fg-dim: #7a8a9e;
  --fg-muted: #4a5568;
  --accent: #f59e0b;
  --accent-dim: rgba(245, 158, 11, 0.15);
  --accent-glow: rgba(245, 158, 11, 0.08);
  --border: rgba(255, 255, 255, 0.06);
  --border-accent: rgba(245, 158, 11, 0.25);
  --red: #ef4444;
  --green: #22c55e;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Space Grotesk', -apple-system, sans-serif;
}

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

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

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 60px;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(245, 158, 11, 0.06) 0%, transparent 70%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-surface) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 120px;
  background: linear-gradient(180deg, var(--accent), transparent);
  opacity: 0.4;
}

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

.hero-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 3px;
  color: var(--accent);
  border: 1px solid var(--border-accent);
  background: var(--accent-dim);
  padding: 6px 16px;
  border-radius: 2px;
  margin-bottom: 40px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

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

.hero-sub {
  font-size: 1.1rem;
  color: var(--fg-dim);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stat { text-align: center; }

.stat-number {
  display: block;
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--fg-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

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

.hero-scanline {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(255, 255, 255, 0.01) 2px,
    rgba(255, 255, 255, 0.01) 4px
  );
  pointer-events: none;
  z-index: 1;
}

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

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

.problem-label,
.features-label,
.how-label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 3px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.problem h2,
.features h2,
.how h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.8px;
  margin-bottom: 48px;
}

.dim { color: var(--fg-dim); }

.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: 4px;
  padding: 32px 24px;
}

.problem-icon {
  font-size: 1.5rem;
  margin-bottom: 16px;
  opacity: 0.7;
}

.problem-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--fg);
}

.problem-card p {
  font-size: 0.9rem;
  color: var(--fg-dim);
  line-height: 1.65;
}

/* ===== FEATURES ===== */
.features {
  padding: 100px 24px;
  background: var(--bg-surface);
}

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

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 32px 28px;
  transition: border-color 0.2s;
}

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

.feature-highlight {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(245, 158, 11, 0.04) 100%);
  border-color: var(--border-accent);
}

.feature-num {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.88rem;
  color: var(--fg-dim);
  line-height: 1.65;
}

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

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

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

.how-step {
  display: flex;
  align-items: flex-start;
  gap: 24px;
}

.step-marker {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  border: 1px solid var(--border-accent);
  background: var(--accent-dim);
  border-radius: 2px;
}

.step-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 0.9rem;
  color: var(--fg-dim);
  line-height: 1.65;
}

.step-line {
  width: 1px;
  height: 32px;
  background: var(--border-accent);
  margin-left: 20px;
  opacity: 0.5;
}

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

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

.closing-line {
  width: 40px;
  height: 2px;
  background: var(--accent);
  margin: 0 auto 40px;
}

.closing h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

.closing-sub {
  font-size: 1.05rem;
  color: var(--fg-dim);
  line-height: 1.7;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 40px 24px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--fg);
}

.footer-note {
  font-size: 0.78rem;
  color: var(--fg-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }

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

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

  .hero-stats {
    gap: 20px;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .how-step {
    gap: 16px;
  }
}