:root {
  --bg: #060910;
  --bg-alt: #0b1120;
  --fg: #e2e8f0;
  --fg-dim: #8899aa;
  --accent: #00e5ff;
  --accent-dim: rgba(0, 229, 255, 0.08);
  --border: rgba(255, 255, 255, 0.06);
  --card-bg: rgba(255, 255, 255, 0.03);
  --card-border: rgba(255, 255, 255, 0.07);
  --red: #ff4d6a;
  --green: #00e87a;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(6, 9, 16, 0.85);
  backdrop-filter: blur(12px);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--fg);
}
.nav-logo .accent { color: var(--accent); }
.nav-status {
  font-family: 'Space Mono', monospace;
  font-size: 0.72rem;
  color: var(--fg-dim);
  display: flex;
  align-items: center;
  gap: 8px;
}
.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.status-dot-sm {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  display: inline-block;
  margin-right: 6px;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 120px 32px 80px;
  max-width: 1100px;
  margin: 0 auto;
  gap: 64px;
  position: relative;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(0, 229, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  pointer-events: none;
}
.hero-content { position: relative; }
.hero-label { margin-bottom: 24px; }
.label-tag {
  font-family: 'Space Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(0, 229, 255, 0.2);
  padding: 5px 12px;
  border-radius: 3px;
}
.hero-headline {
  font-family: 'Space Mono', monospace;
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: var(--fg);
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--fg-dim);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 480px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-value {
  font-family: 'Space Mono', monospace;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--fg);
}
.stat-label {
  font-size: 0.72rem;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* Terminal */
.hero-terminal {
  background: var(--bg-alt);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 0 60px rgba(0, 229, 255, 0.05), 0 20px 60px rgba(0,0,0,0.5);
  font-family: 'Space Mono', monospace;
  position: relative;
}
.terminal-bar {
  background: rgba(255,255,255,0.04);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--card-border);
}
.tb { width: 10px; height: 10px; border-radius: 50%; }
.tb.red { background: #ff5f57; }
.tb.yellow { background: #febc2e; }
.tb.green { background: #28c840; }
.tb-label { font-size: 0.68rem; color: var(--fg-dim); margin-left: 8px; }
.terminal-body { padding: 18px 20px; }
.t-line { font-size: 0.78rem; line-height: 2; }
.tl-time { color: var(--fg-dim); margin-right: 10px; }
.tl-dim { color: var(--fg-dim); }
.tl-val { color: var(--accent); }
.tl-red { color: var(--red); }
.tl-green { color: var(--green); }
.t-cursor { margin-top: 8px; }
.tc-blink {
  color: var(--accent);
  font-size: 1rem;
  animation: blink 1s step-end infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Section common */
.section-label {
  display: block;
  font-family: 'Space Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title {
  font-family: 'Space Mono', monospace;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--fg);
  max-width: 560px;
}

/* Features */
.features {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 32px;
  border-top: 1px solid var(--border);
}
.features-header { margin-bottom: 48px; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--card-border);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  overflow: hidden;
}
.feature-card {
  background: var(--card-bg);
  padding: 32px 28px;
  transition: background 0.2s;
}
.feature-card:hover { background: rgba(255,255,255,0.05); }
.fc-icon {
  color: var(--accent);
  margin-bottom: 16px;
}
.fc-title {
  font-family: 'Space Mono', monospace;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--fg);
}
.fc-body { font-size: 0.88rem; color: var(--fg-dim); line-height: 1.65; }

/* How it works */
.howitworks {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 32px;
  border-top: 1px solid var(--border);
}
.hiw-header { margin-bottom: 48px; }
.hiw-steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 0;
}
.step { padding: 0 24px 0 0; }
.step-num {
  font-family: 'Space Mono', monospace;
  font-size: 2.4rem;
  font-weight: 700;
  color: rgba(0, 229, 255, 0.12);
  display: block;
  margin-bottom: 12px;
}
.step-title {
  font-family: 'Space Mono', monospace;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--fg);
}
.step-desc { font-size: 0.85rem; color: var(--fg-dim); line-height: 1.6; }
.step-connector {
  width: 48px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.4;
  flex-shrink: 0;
}

/* Differentiators */
.differentiators {
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 32px;
  border-top: 1px solid var(--border);
}
.diff-header { margin-bottom: 48px; }
.diff-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.diff-col-title {
  font-family: 'Space Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.diff-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.diff-list li {
  font-size: 0.9rem;
  line-height: 1.5;
  padding-left: 20px;
  position: relative;
}
.diff-list-old li { color: var(--fg-dim); }
.diff-list-old li::before { content: '—'; position: absolute; left: 0; color: rgba(255,255,255,0.2); }
.diff-list-new li { color: var(--fg); }
.diff-list-new li::before { content: '+'; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

/* Closing */
.closing {
  max-width: 1100px;
  margin: 0 auto;
  padding: 120px 32px 100px;
  border-top: 1px solid var(--border);
  text-align: center;
}
.closing-inner { max-width: 700px; margin: 0 auto; }
.closing-headline {
  font-family: 'Space Mono', monospace;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--fg);
  margin-bottom: 24px;
}
.closing-headline em {
  font-style: normal;
  color: var(--accent);
}
.closing-sub {
  font-size: 1rem;
  color: var(--fg-dim);
  line-height: 1.7;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  font-family: 'Space Mono', monospace;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--fg-dim);
}
.footer-logo .accent { color: var(--accent); }
.footer-tagline { font-size: 0.8rem; color: var(--fg-dim); }
.footer-status { font-size: 0.75rem; color: var(--fg-dim); display: flex; align-items: center; gap: 6px; }

/* Mobile */
@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; padding: 100px 24px 60px; gap: 48px; }
  .hero-stats { gap: 16px; }
  .features-grid { grid-template-columns: 1fr; }
  .hiw-steps { grid-template-columns: 1fr; gap: 24px; }
  .step-connector { display: none; }
  .diff-grid { grid-template-columns: 1fr; gap: 32px; }
  .nav-inner { padding: 14px 20px; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
}
@media (max-width: 480px) {
  .stat-divider { display: none; }
  .hero-stats { flex-direction: column; align-items: flex-start; }
}