:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161f;
  --bg-card-hover: #1c1c28;
  --fg-primary: #e8e8ed;
  --fg-secondary: #8888a0;
  --fg-muted: #55556a;
  --accent: #4ade80;
  --accent-dim: rgba(74, 222, 128, 0.15);
  --accent-warm: #f59e0b;
  --accent-warm-dim: rgba(245, 158, 11, 0.15);
  --border: #222233;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg-primary);
  color: var(--fg-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74, 222, 128, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74, 222, 128, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
}

.glow-1 {
  width: 500px;
  height: 500px;
  background: rgba(74, 222, 128, 0.08);
  top: -100px;
  right: -100px;
}

.glow-2 {
  width: 400px;
  height: 400px;
  background: rgba(245, 158, 11, 0.05);
  bottom: 0;
  left: -150px;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.5rem 1.2rem;
  border-radius: 100px;
  border: 1px solid rgba(74, 222, 128, 0.2);
  margin-bottom: 2rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

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

.lede {
  font-size: 1.15rem;
  color: var(--fg-secondary);
  max-width: 600px;
  margin: 0 auto 3rem;
  line-height: 1.7;
}

/* Terminal Visual */
.hero-visual {
  position: relative;
  z-index: 1;
  max-width: 650px;
  margin: 0 auto;
}

.terminal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 25px 80px rgba(0,0,0,0.5);
}

.terminal-header {
  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: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }

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

.terminal-body {
  padding: 1.25rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.8rem;
  line-height: 2;
}

.terminal-line {
  color: var(--fg-secondary);
}

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

.status-ok {
  color: var(--accent);
  font-weight: 600;
  margin-left: 8px;
}

.status-new {
  color: #60a5fa;
  font-weight: 600;
  margin-left: 8px;
}

.status-warn {
  color: var(--accent-warm);
  font-weight: 600;
  margin-left: 8px;
}

/* === METRICS === */
.metrics {
  padding: 4rem 2rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.metrics-grid {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.metric-card {
  text-align: center;
  padding: 2rem 1.5rem;
}

.metric-icon {
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.metric-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 0.5rem;
}

.metric-value {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--fg-primary);
  margin-bottom: 0.5rem;
}

.metric-sub {
  font-size: 0.85rem;
  color: var(--fg-secondary);
  line-height: 1.5;
}

/* === FEATURES === */
.features {
  padding: 6rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.features-header {
  max-width: 650px;
  margin-bottom: 4rem;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.features-header p {
  font-size: 1.05rem;
  color: var(--fg-secondary);
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(74, 222, 128, 0.15);
}

.feature-large {
  grid-column: 1 / -1;
}

.feature-number {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  display: inline-block;
  padding: 0.3rem 0.8rem;
  border-radius: 6px;
  margin-bottom: 1.25rem;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

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

/* === APPLICATIONS === */
.applications {
  padding: 6rem 2rem;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

.applications-content {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.applications-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 600;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.applications-sub {
  font-size: 1.05rem;
  color: var(--fg-secondary);
  margin-bottom: 3rem;
  line-height: 1.7;
}

.app-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.app-tag {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg-primary);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.65rem 1.25rem;
  border-radius: 100px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.app-tag:hover {
  border-color: rgba(74, 222, 128, 0.3);
  background: var(--bg-card-hover);
}

/* === CLOSING === */
.closing {
  padding: 8rem 2rem;
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(74, 222, 128, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.closing-content {
  position: relative;
  z-index: 1;
  max-width: 750px;
  margin: 0 auto;
}

.closing-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 1.5rem;
  color: var(--fg-secondary);
}

.closing-content p {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.02em;
}

/* === FOOTER === */
.site-footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

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

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero {
    padding: 4rem 1.5rem 3rem;
    min-height: auto;
  }

  .metrics-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .metric-card {
    padding: 1.5rem 1rem;
    border-bottom: 1px solid var(--border);
  }

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

  .features {
    padding: 4rem 1.5rem;
  }

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

  .feature-card {
    padding: 2rem;
  }

  .applications {
    padding: 4rem 1.5rem;
  }

  .closing {
    padding: 5rem 1.5rem;
  }

  .terminal-body {
    font-size: 0.65rem;
    padding: 1rem;
  }

  .terminal-line .status-ok,
  .terminal-line .status-new,
  .terminal-line .status-warn {
    display: block;
    margin-left: 1.2rem;
    margin-top: -0.25rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .lede {
    font-size: 1rem;
  }

  .app-tags {
    gap: 0.5rem;
  }

  .app-tag {
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
  }
}