:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-dim: #8888a0;
  --fg-muted: #55556a;
  --accent: #00ff88;
  --accent-dim: #00cc6a;
  --accent-glow: rgba(0, 255, 136, 0.15);
  --red: #ff4466;
  --red-dim: rgba(255, 68, 102, 0.15);
  --yellow: #ffcc00;
  --border: #1e1e2a;
  --radius: 12px;
  --font-body: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* { 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;
}

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 80px 40px 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
  border: 1px solid rgba(0, 255, 136, 0.2);
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.lede {
  font-size: 1.15rem;
  color: var(--fg-dim);
  max-width: 500px;
  line-height: 1.7;
}

/* Terminal */
.terminal {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

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

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot.red { background: var(--red); }
.dot.yellow { background: var(--yellow); }
.dot.green { background: var(--accent); }

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

.terminal-body {
  padding: 20px;
}

.terminal-body p {
  margin-bottom: 8px;
  color: var(--fg-dim);
}

.terminal-body .prompt {
  color: var(--accent);
  margin-right: 8px;
}

.terminal-body .dim { color: var(--fg-muted); }
.terminal-body .highlight { color: var(--yellow); }
.terminal-body .accent { color: var(--accent); font-weight: 500; }
.terminal-body .success { color: var(--accent); }

/* === PROBLEM === */
.problem {
  padding: 120px 40px;
  background: var(--bg);
}

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

.problem h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 60px;
  text-align: center;
}

.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.comparison-card {
  padding: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.comparison-card.old {
  background: var(--red-dim);
  border-color: rgba(255, 68, 102, 0.2);
}

.comparison-card.new {
  background: var(--accent-glow);
  border-color: rgba(0, 255, 136, 0.2);
}

.card-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--fg-muted);
  margin-bottom: 24px;
}

.comparison-card ul {
  list-style: none;
}

.comparison-card li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.95rem;
  color: var(--fg-dim);
}

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

.x { color: var(--red); margin-right: 10px; font-weight: 600; }
.check { color: var(--accent); margin-right: 10px; font-weight: 600; }

/* === FEATURES === */
.features {
  padding: 120px 40px;
  background: var(--bg-elevated);
}

.features-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.features h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 60px;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: rgba(0, 255, 136, 0.3);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--fg-dim);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* === HOW === */
.how {
  padding: 120px 40px;
  background: var(--bg);
}

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

.how h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 60px;
  text-align: center;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.step-number {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.3;
  line-height: 1;
  min-width: 80px;
}

.step-content h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--fg-dim);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* === CLOSING === */
.closing {
  padding: 140px 40px;
  background: var(--bg-elevated);
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

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

.closing h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  line-height: 1.2;
}

.closing-text {
  color: var(--fg-dim);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 48px;
}

.closing-stat {
  display: inline-flex;
  flex-direction: column;
  gap: 8px;
  padding: 32px 48px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

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

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
}

/* === FOOTER === */
.site-footer {
  padding: 60px 40px;
  background: var(--bg);
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 600px;
  margin: 0 auto;
}

.footer-brand {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.footer-tagline {
  color: var(--accent);
  font-size: 0.95rem;
  margin-bottom: 24px;
}

.footer-copy {
  color: var(--fg-muted);
  font-size: 0.8rem;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero { padding: 60px 20px; min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .comparison { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .problem, .features, .how, .closing { padding: 80px 20px; }
  .step { flex-direction: column; gap: 12px; }
  .step-number { font-size: 2rem; min-width: auto; }
  .closing-stat { padding: 24px 32px; }
  .stat-value { font-size: 2rem; }
}