:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #16161f;
  --fg: #e8e6e3;
  --fg-muted: #8a8a9a;
  --fg-dim: #5a5a6a;
  --accent: #f7931a;
  --accent-glow: rgba(247, 147, 26, 0.15);
  --accent-soft: #ffc266;
  --border: #1e1e2a;
  --terminal-bg: #0d0d14;
  --green: #4ade80;
  --red: #f87171;
  --yellow: #fbbf24;
  --font-body: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --max-width: 1100px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ====== HERO ====== */
.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 100px 24px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(247, 147, 26, 0.25);
  padding: 6px 14px;
  border-radius: 4px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

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

.hero-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 520px;
}

/* ====== TERMINAL ====== */
.terminal {
  background: var(--terminal-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot.red { background: var(--red); }
.dot.yellow { background: var(--yellow); }
.dot.green { background: var(--green); }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-dim);
  margin-left: auto;
}

.terminal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.terminal-body code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--fg-muted);
  white-space: pre;
  line-height: 1.8;
}

.terminal-body .label {
  color: var(--fg-dim);
  display: inline-block;
  min-width: 80px;
}

.terminal-body .val { color: var(--fg); }
.terminal-body .val.ok { color: var(--green); }
.terminal-body .val.accent-text { color: var(--accent); font-weight: 500; }
.terminal-body .dim { color: var(--fg-dim); }
.terminal-body .key { color: var(--accent-soft); }
.terminal-body .str { color: var(--green); }
.terminal-body .num { color: var(--accent); }

/* ====== PROBLEM ====== */
.problem {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 24px;
}

.problem-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.problem h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  margin-bottom: 48px;
  letter-spacing: -0.01em;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px 28px;
}

.problem-icon {
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.problem-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--fg);
}

.problem-card p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ====== FEATURES ====== */
.features {
  padding: 80px 24px;
}

.features-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 12px;
}

.features-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  margin-bottom: 48px;
  letter-spacing: -0.01em;
}

.feature-blocks {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.feature-block {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.feature-block:last-child {
  border-bottom: none;
}

.feature-number {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.6;
}

.feature-content h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-content p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 600px;
}

/* ====== HOW ====== */
.how {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 24px;
}

.how-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.how h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  margin-bottom: 40px;
  letter-spacing: -0.01em;
}

.how-terminal {
  max-width: 560px;
  margin-bottom: 48px;
}

.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.how-step {
  position: relative;
}

.step-marker {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--bg);
  background: var(--accent);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.how-step p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

.how-step strong {
  color: var(--fg);
}

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

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

.closing h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.closing-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  margin-bottom: 48px;
}

.closing-stats {
  display: flex;
  justify-content: center;
  gap: 64px;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer-brand {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 6px;
}

.footer-tagline {
  font-size: 0.82rem;
  color: var(--fg-dim);
}

/* ====== RESPONSIVE ====== */
@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 60px 20px 40px;
    gap: 40px;
  }
  
  .hero-sub {
    max-width: 100%;
  }

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

  .problem { padding: 60px 20px; }
  .features { padding: 60px 20px; }
  .how { padding: 60px 20px; }
  .closing { padding: 60px 20px; }

  .feature-block {
    grid-template-columns: 50px 1fr;
    gap: 16px;
  }

  .feature-number {
    font-size: 1.4rem;
  }

  .how-steps {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .closing-stats {
    gap: 32px;
  }

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