:root {
  --bg: #0a0a0f;
  --bg-surface: #12121a;
  --bg-surface-alt: #1a1a26;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --fg-dim: #55556a;
  --accent: #4df0c0;
  --accent-dim: rgba(77, 240, 192, 0.12);
  --accent-glow: rgba(77, 240, 192, 0.25);
  --red: #ff5f6d;
  --red-dim: rgba(255, 95, 109, 0.15);
  --yellow: #ffd93d;
  --green: #4df0c0;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
  --sans: 'Space Grotesk', system-ui, sans-serif;
  --max-w: 1100px;
  --radius: 12px;
}

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

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

/* ── HERO ── */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 60px;
  background:
    radial-gradient(ellipse 60% 50% at 20% 50%, rgba(77, 240, 192, 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 80% 30%, rgba(77, 140, 255, 0.04) 0%, transparent 70%),
    var(--bg);
}

.hero-grid {
  max-width: var(--max-w);
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.lede {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 480px;
  line-height: 1.7;
}

/* Terminal */
.terminal {
  background: var(--bg-surface);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5), 0 0 60px var(--accent-dim);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.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(--mono);
  font-size: 0.8rem;
  color: var(--fg-dim);
  margin-left: 8px;
}

.terminal-body {
  padding: 20px 22px;
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 2;
}

.line .prompt {
  color: var(--fg-dim);
  margin-right: 8px;
}

.line .cmd {
  color: var(--fg-muted);
}

.line.result .prompt {
  color: var(--accent);
}

.line.result .cmd {
  color: var(--accent);
  font-weight: 500;
}

.line.time .cmd {
  color: var(--fg-dim);
  font-size: 0.78rem;
}

/* ── COMPARISON ── */
.comparison {
  padding: 100px 24px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.comparison h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

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

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

.compare-card {
  padding: 36px 32px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.06);
}

.compare-card.old {
  background: var(--bg-surface);
}

.compare-card.new {
  background: linear-gradient(135deg, rgba(77, 240, 192, 0.08) 0%, rgba(77, 140, 255, 0.06) 100%);
  border-color: rgba(77, 240, 192, 0.2);
}

.compare-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
  color: var(--fg-dim);
}

.compare-card.new .compare-label {
  color: var(--accent);
}

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

.compare-card li {
  padding: 10px 0;
  font-size: 0.95rem;
  color: var(--fg-muted);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

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

.icon-x {
  color: var(--red);
  font-weight: 700;
  font-size: 0.85rem;
  min-width: 18px;
  text-align: center;
}

.icon-check {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.9rem;
  min-width: 18px;
  text-align: center;
}

/* ── CAPABILITIES ── */
.capabilities {
  padding: 100px 24px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.capabilities h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

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

.cap-card {
  background: var(--bg-surface);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color 0.2s;
}

.cap-card:hover {
  border-color: rgba(77, 240, 192, 0.2);
}

.cap-icon {
  font-size: 1.5rem;
  margin-bottom: 16px;
  color: var(--accent);
}

.cap-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

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

/* ── CLOSING ── */
.closing {
  padding: 120px 24px;
  text-align: center;
  background:
    radial-gradient(ellipse 50% 40% at 50% 60%, rgba(77, 240, 192, 0.05) 0%, transparent 70%),
    var(--bg);
}

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

.closing h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 48px;
}

.closing-stat {
  display: flex;
  justify-content: center;
  gap: 60px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--fg-dim);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── FOOTER ── */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
}

.footer-brand {
  font-weight: 600;
  color: var(--fg);
}

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

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

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 60px 20px 40px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

  .closing-stat {
    flex-direction: column;
    gap: 28px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 4px;
  }

  .footer-divider {
    display: none;
  }
}