:root {
  --bg: #0a0a0f;
  --bg-subtle: #111118;
  --bg-card: #16161f;
  --bg-card-hover: #1c1c28;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --fg-dim: #55556a;
  --accent: #00e5a0;
  --accent-glow: rgba(0, 229, 160, 0.15);
  --accent-dim: #00b87d;
  --border: #222233;
  --border-accent: rgba(0, 229, 160, 0.25);
  --terminal-bg: #0d0d14;
  --radius: 12px;
  --radius-sm: 8px;
}

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

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

/* ---- NAV ---- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 32px;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff;
  letter-spacing: -0.01em;
}

.nav-hub-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--accent);
  text-decoration: none;
  border: 1px solid var(--border-accent);
  padding: 6px 14px;
  border-radius: 100px;
  background: var(--accent-glow);
  transition: background 0.2s, border-color 0.2s;
}

.nav-hub-link:hover {
  background: rgba(0, 229, 160, 0.22);
  border-color: rgba(0, 229, 160, 0.45);
}

.nav-hub-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 140px 24px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  pointer-events: none;
}

.hero-grid {
  max-width: 820px;
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 3px;
  color: var(--accent);
  border: 1px solid var(--border-accent);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
  background: var(--accent-glow);
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: #fff;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 48px;
}

/* ---- TERMINAL ---- */
.hero-terminal {
  background: var(--terminal-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5), 0 0 60px var(--accent-glow);
  margin-bottom: 36px;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot.red { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green { background: #28c840; }

.terminal-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--fg-dim);
  margin-left: 8px;
}

.terminal-body {
  padding: 20px 22px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  line-height: 1.9;
}

.terminal-line {
  white-space: nowrap;
  overflow-x: hidden;
}

.prompt { color: var(--accent); }
.cmd { color: #fff; }
.output { color: var(--fg-muted); }
.status-ok { color: var(--accent); font-weight: 500; }
.highlight { color: #fff; font-weight: 500; }
.cursor {
  color: var(--accent);
  animation: blink 1.2s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* ---- HERO CTA ROW ---- */
.hero-cta-row {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.cta-primary {
  display: inline-flex;
  align-items: center;
  padding: 14px 28px;
  background: var(--accent);
  color: #0a0a0f;
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  letter-spacing: -0.01em;
  transition: background 0.2s, transform 0.15s;
}

.cta-primary:hover {
  background: #00ffb3;
  transform: translateY(-1px);
}

.hero-tech-pills {
  display: flex;
  gap: 8px;
}

.tech-pill {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--fg-muted);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 100px;
  background: var(--bg-card);
}

/* ---- METRICS ---- */
.metrics {
  padding: 0 24px 100px;
}

.metrics-grid {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.metric-card {
  background: var(--bg-card);
  padding: 36px 24px;
  text-align: center;
}

.metric-value {
  font-size: 1.9rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.metric-label {
  font-size: 0.78rem;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 500;
}

/* ---- PRODUCTS ---- */
.products {
  padding: 100px 24px;
}

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

.products-header {
  margin-bottom: 64px;
  max-width: 640px;
}

.products-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 16px;
}

.products-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.product-card {
  background: var(--bg-card);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: background 0.2s;
  position: relative;
}

.product-card:hover {
  background: var(--bg-card-hover);
}

.product-hub {
  background: linear-gradient(135deg, #16161f 0%, #1a2030 100%);
  border-bottom: 2px solid var(--accent);
}

.product-hub:hover {
  background: linear-gradient(135deg, #1c1c2a 0%, #1e2538 100%);
}

.product-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.product-vertical-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent);
  text-transform: uppercase;
}

.product-icon {
  font-size: 1.1rem;
  color: var(--fg-dim);
}

.product-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.product-desc {
  font-size: 0.84rem;
  color: var(--fg-muted);
  line-height: 1.6;
  flex: 1;
}

.product-domain {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--accent);
  text-decoration: none;
  margin-top: 4px;
  transition: color 0.2s;
}

.product-domain:hover {
  color: #00ffb3;
}

/* ---- STACK ---- */
.stack {
  padding: 100px 24px;
  background: var(--bg-subtle);
}

.stack-inner {
  max-width: 860px;
  margin: 0 auto;
}

.stack h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 12px;
}

.stack-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  margin-bottom: 48px;
  line-height: 1.65;
}

.stack-layers {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.layer {
  display: flex;
  align-items: stretch;
  background: var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.layer-highlight {
  background: var(--border-accent);
}

.layer-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 1.5px;
  color: var(--accent);
  background: var(--bg-card);
  padding: 20px;
  min-width: 100px;
  display: flex;
  align-items: center;
  font-weight: 600;
}

.layer-content {
  background: var(--bg-card);
  padding: 20px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-left: 1px solid var(--border);
}

.layer-highlight .layer-label,
.layer-highlight .layer-content {
  background: #16202e;
}

.layer-name {
  font-weight: 600;
  color: #fff;
  font-size: 0.95rem;
}

.layer-items {
  font-size: 0.82rem;
  color: var(--fg-muted);
}

.layer-link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--accent);
  text-decoration: none;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  background: #16202e;
  border-left: 1px solid var(--border-accent);
  white-space: nowrap;
  transition: color 0.2s;
}

.layer-link:hover {
  color: #00ffb3;
}

/* ---- SECTION TAG ---- */
.section-tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 20px;
}

/* ---- CLOSING ---- */
.closing {
  padding: 120px 24px;
  text-align: center;
}

.closing-inner {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.closing h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.closing p {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

.cta-large {
  font-size: 1rem;
  padding: 16px 36px;
}

.closing-sig {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--fg-dim);
  letter-spacing: 1px;
  margin-top: 8px;
}

/* ---- FOOTER ---- */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.82rem;
  flex-wrap: wrap;
}

.footer-brand {
  font-weight: 700;
  color: var(--fg);
}

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

.footer-note {
  color: var(--fg-dim);
  flex: 1;
}

.footer-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-links a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--fg-dim);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--accent);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero { padding: 100px 20px 60px; min-height: auto; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .products { padding: 60px 20px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .stack { padding: 60px 20px; }
  .closing { padding: 80px 20px; }
  .layer { flex-direction: column; }
  .layer-label { min-width: auto; padding: 12px 20px; }
  .layer-content { border-left: none; border-top: 1px solid var(--border); }
  .layer-link { border-left: none; border-top: 1px solid var(--border-accent); padding: 12px 24px; }
  .terminal-body { font-size: 10px; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
  .footer-note { flex: none; }
  .hero-cta-row { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 540px) {
  .products-grid { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 2.4rem; }
  .metric-card { padding: 24px 20px; }
  .site-nav { padding: 14px 20px; }
}