:root {
  --bg: #0F1115;
  --bg-alt: #14171E;
  --card: #171A22;
  --border: #1F2430;
  --text: #E5E7EB;
  --text-muted: #9CA3AF;
  --text-dim: #6B7280;
  --accent: #7BE38E;
  --accent-dim: #4CA167;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 40px; }
.mono { font-family: 'JetBrains Mono', monospace; }

/* ---------- Nav ---------- */
.nav { padding: 22px 0; border-bottom: 1px solid var(--border); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand-dot { width: 10px; height: 10px; background: var(--accent); border-radius: 2px; }
.brand-word { font-weight: 600; font-size: 1.1rem; letter-spacing: -0.01em; }
.nav-links { display: flex; gap: 34px; }
.nav-links a { color: var(--text-muted); text-decoration: none; font-size: 0.92rem; transition: color 0.15s; }
.nav-links a:hover { color: var(--text); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.15s;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: #0A0D12; }
.btn-primary:hover { background: #8FE99F; }
.btn-sm { padding: 9px 18px; font-size: 0.86rem; }
.btn-lg { padding: 15px 28px; font-size: 1.02rem; }

.btn-quiet {
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 3px;
  transition: border-color 0.2s;
}
.btn-quiet:hover { border-color: var(--accent); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 120px 0 100px;
  overflow: hidden;
}
.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--border) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 40%, transparent 100%);
  opacity: 0.5;
  pointer-events: none;
}
.hero-inner { position: relative; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-alt);
  margin-bottom: 32px;
}
.chip-dot { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; box-shadow: 0 0 8px var(--accent); }

h1 {
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--text);
  margin-bottom: 28px;
}

.lede {
  font-size: 1.13rem;
  color: var(--text-muted);
  max-width: 58ch;
  margin-bottom: 40px;
  line-height: 1.6;
}

.cta-row { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }

/* ---------- Section label ---------- */
.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74rem;
  color: var(--accent);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.6rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text);
  margin-bottom: 48px;
}

/* ---------- Metrics ---------- */
.metrics { padding: 60px 0 20px; }
.tiles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.tile {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.tile-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.tile-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.85rem;
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.02em;
}
.tile-unit { font-size: 1.1rem; color: var(--text-muted); margin-left: 2px; }
.tile-delta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--accent);
  margin-top: auto;
}
.spark { width: 100%; height: 28px; margin: 4px 0 8px; }
.bars {
  display: flex;
  gap: 4px;
  align-items: flex-end;
  height: 32px;
  margin: 4px 0 6px;
}
.bars span {
  flex: 1;
  background: var(--accent);
  opacity: 0.85;
  border-radius: 2px;
  min-height: 4px;
}

/* ---------- Product / features ---------- */
.product { padding: 100px 0; }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 30px;
  transition: border-color 0.2s;
}
.feature:hover { border-color: #2B3140; }
.feature-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.dot { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; }
.feature h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 12px; color: var(--text); }
.feature p { color: var(--text-muted); font-size: 0.98rem; line-height: 1.6; }
.feature .mono { color: var(--accent); font-size: 0.92em; }

/* ---------- Quote ---------- */
.quote { padding: 100px 0; text-align: center; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.quote blockquote { max-width: 780px; margin: 0 auto; }
.quote p {
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 500;
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 32px;
  letter-spacing: -0.01em;
}
.quote footer { display: flex; flex-direction: column; gap: 6px; align-items: center; }
.quote cite { font-style: normal; font-weight: 600; color: var(--text); font-size: 0.98rem; }
.quote .mono { color: var(--text-muted); font-size: 0.78rem; letter-spacing: 0.08em; }

/* ---------- CTA band ---------- */
.cta-band { padding: 100px 0; text-align: center; }
.cta-inner { max-width: 640px; margin: 0 auto; }
.cta-band h2 { margin-bottom: 20px; }
.cta-band p { color: var(--text-muted); font-size: 1.08rem; margin-bottom: 36px; }

/* ---------- Footer ---------- */
.foot { padding: 40px 0 50px; border-top: 1px solid var(--border); }
.foot-inner { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.foot-brand { display: flex; align-items: center; gap: 10px; }
.foot-meta { color: var(--text-muted); font-size: 0.94rem; }
.foot-fine { color: var(--text-dim); font-size: 0.76rem; letter-spacing: 0.03em; margin-top: 4px; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero { padding: 70px 0 60px; }
  .tiles { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .wrap { padding: 0 22px; }
}
@media (max-width: 480px) {
  .tiles { grid-template-columns: 1fr; }
}