:root {
  --bg: #060a10;
  --bg-surface: #0c1220;
  --bg-elevated: #111928;
  --fg: #b8c4d4;
  --fg-dim: #5a6a7e;
  --fg-bright: #e8eef8;
  --accent: #00e5a0;
  --accent-dim: rgba(0, 229, 160, 0.12);
  --warn: #f5a623;
  --error: #ff4d4d;
  --partial: #a78bfa;
  --border: rgba(184, 196, 212, 0.08);
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'DM Mono', 'Fira Code', monospace;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 48px;
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--fg-bright);
  letter-spacing: -0.5px;
}
.nav-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0,229,160,0.2);
  padding: 4px 10px;
  border-radius: 2px;
  letter-spacing: 0.5px;
}

/* HERO */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  padding: 80px 48px 96px;
  min-height: 600px;
  align-items: center;
}
.hero-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-title {
  font-size: 52px;
  font-weight: 700;
  color: var(--fg-bright);
  line-height: 1.08;
  letter-spacing: -2px;
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 16px;
  color: var(--fg);
  line-height: 1.7;
  max-width: 440px;
  font-weight: 400;
}

/* Log fragment */
.hero-log-fragment {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 12px;
}
.log-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}
.log-title { color: var(--fg-dim); font-size: 11px; }
.log-live-dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 6px var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.log-lines { padding: 12px 0; }
.log-line {
  padding: 3px 16px;
  display: flex;
  gap: 10px;
  align-items: baseline;
}
.log-done { color: #4ade80; }
.log-warn { color: var(--warn); }
.log-running { color: #60a5fa; }
.log-failed { color: var(--error); }
.ts { color: var(--fg-dim); flex-shrink: 0; }

/* LOG SECTION */
.log-section {
  padding: 64px 48px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
}
.log-section-inner { max-width: 900px; }
.log-section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.status-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.status-chip {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.5px;
  padding: 5px 12px;
  border-radius: 2px;
  border: 1px solid;
}
.status-pending { color: var(--fg-dim); border-color: var(--fg-dim); }
.status-running { color: #60a5fa; border-color: #60a5fa; }
.status-success { color: #4ade80; border-color: #4ade80; }
.status-partial { color: var(--partial); border-color: var(--partial); }
.status-failed { color: var(--error); border-color: var(--error); }
.status-blocked { color: var(--warn); border-color: var(--warn); }
.status-arrow { color: var(--fg-dim); font-size: 16px; }
.log-section-note {
  font-size: 15px;
  color: var(--fg-dim);
  max-width: 580px;
  line-height: 1.7;
}

/* FEATURES */
.features {
  padding: 80px 48px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.feature-card {
  background: var(--bg);
  padding: 36px 28px;
}
.feature-icon {
  font-size: 22px;
  color: var(--accent);
  margin-bottom: 16px;
  font-family: var(--font-mono);
}
.feature-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--fg-bright);
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}
.feature-card p {
  font-size: 13px;
  color: var(--fg-dim);
  line-height: 1.6;
}

/* FAILURE MODES */
.failure-section {
  padding: 80px 48px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}
.failure-header { margin-bottom: 48px; }
.failure-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--error);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  display: block;
  margin-bottom: 16px;
}
.failure-header h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--fg-bright);
  letter-spacing: -1px;
  max-width: 400px;
  line-height: 1.15;
}
.failure-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  max-width: 900px;
}
.failure-card {
  background: var(--bg);
  padding: 28px 28px;
}
.failure-code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--error);
  margin-bottom: 12px;
  background: rgba(255,77,77,0.08);
  border: 1px solid rgba(255,77,77,0.15);
  padding: 6px 10px;
  border-radius: 2px;
  display: inline-block;
}
.failure-card p {
  font-size: 13px;
  color: var(--fg-dim);
  line-height: 1.6;
}

/* CLOSING */
.closing { padding: 80px 48px 96px; }
.closing-inner { max-width: 640px; }
.closing-rule {
  width: 40px;
  height: 2px;
  background: var(--accent);
  margin-bottom: 32px;
}
.closing blockquote {
  font-size: 22px;
  font-weight: 500;
  color: var(--fg-bright);
  line-height: 1.5;
  letter-spacing: -0.5px;
  font-style: normal;
  border: none;
  margin-bottom: 20px;
}
.closing-sub {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-dim);
}

/* FOOTER */
.footer {
  padding: 32px 48px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 32px;
}
.footer-logo {
  font-weight: 700;
  font-size: 14px;
  color: var(--fg-bright);
}
.footer-note {
  font-size: 13px;
  color: var(--fg-dim);
  flex: 1;
}
.footer-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-dim);
}

/* MOBILE */
@media (max-width: 768px) {
  .nav { padding: 20px 24px; }
  .hero {
    grid-template-columns: 1fr;
    padding: 48px 24px 64px;
    gap: 40px;
  }
  .hero-title { font-size: 36px; }
  .features { padding: 48px 24px; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .failure-section { padding: 48px 24px; }
  .failure-grid { grid-template-columns: 1fr; }
  .closing { padding: 48px 24px 64px; }
  .closing blockquote { font-size: 18px; }
  .log-section { padding: 48px 24px; }
  .status-row { gap: 8px; }
  .footer { padding: 24px; flex-wrap: wrap; gap: 16px; }
}
@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
}