:root {
  --bg: #0b0f14;
  --bg-raised: #10161d;
  --bg-card: #131a22;
  --border: #212b35;
  --text: #e7edf3;
  --text-dim: #a7b3c0;
  --text-faint: #6d7a88;
  --accent: #5fb3ff;
  --accent-dim: #2a4a63;
  --gap-color: #f2a93c;
  --gap-bg: #2a2013;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  --max-w: 960px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { font-weight: 650; letter-spacing: -0.01em; color: var(--text); }

code {
  font-family: var(--mono);
  font-size: 0.92em;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  padding: 0.1em 0.4em;
  border-radius: 4px;
}

/* header */
.site-header {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(11, 15, 20, 0.9);
  backdrop-filter: blur(6px);
  z-index: 10;
}

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-weight: 650;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; }

.brand-mark {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background: linear-gradient(135deg, var(--accent), var(--gap-color));
  display: inline-block;
}

.site-nav { display: flex; align-items: center; gap: 22px; }
.site-nav a { color: var(--text-dim); font-size: 0.92rem; }
.site-nav a:hover { color: var(--text); text-decoration: none; }
.nav-cta {
  color: var(--text) !important;
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 6px;
}
.nav-cta:hover { border-color: var(--accent); }

/* sections */
section { padding: 64px 0; }
section h2 { font-size: 1.6rem; margin: 0 0 10px; }
.section-lede { color: var(--text-dim); font-size: 1.05rem; max-width: 640px; margin: 0 0 28px; }
.section-note { color: var(--text-faint); font-size: 0.92rem; max-width: 680px; margin-top: 22px; }

/* hero */
.hero { padding: 88px 0 64px; }
.eyebrow {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--gap-color);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 18px;
}
.hero h1 {
  font-size: 2.6rem;
  line-height: 1.15;
  margin: 0 0 20px;
  max-width: 760px;
}
.hero-sub {
  font-size: 1.12rem;
  color: var(--text-dim);
  max-width: 680px;
  margin: 0 0 32px;
}
.hero-actions { display: flex; gap: 14px; margin-bottom: 40px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 11px 20px;
  border-radius: 7px;
  font-size: 0.95rem;
  font-weight: 600;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #08131e; }
.btn-primary:hover { background: #7ec1ff; }
.btn-secondary { border: 1px solid var(--border); color: var(--text); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.hero-code, .code-block {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 22px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.86rem;
  line-height: 1.6;
  max-width: 680px;
}
.hero-code code, .code-block code {
  background: none;
  border: none;
  padding: 0;
  font-size: inherit;
  white-space: pre;
}
.c-com { color: var(--text-faint); }
.c-key { color: #8fd0ff; }
.c-str { color: #b8e6a1; }
.c-num { color: var(--gap-color); }

/* gap stack */
.gap { background: var(--bg-raised); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.stack {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  max-width: 720px;
}
.stack-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}
.stack-row:last-child { border-bottom: none; }
.stack-layer { font-weight: 600; }
.stack-owner { color: var(--text-dim); font-size: 0.92rem; text-align: right; }
.stack-row-gap {
  background: var(--gap-bg);
  border-top: 1px solid #4a3a1c;
  border-bottom: 1px solid #4a3a1c;
}
.stack-owner-gap { color: var(--gap-color); font-weight: 600; }
.stack-owner-gap strong { color: var(--gap-color); }

/* analogy table */
.analogy {
  border-collapse: collapse;
  width: 100%;
  max-width: 560px;
  font-size: 0.95rem;
}
.analogy th, .analogy td {
  text-align: left;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
}
.analogy th { color: var(--text-faint); font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; }
.analogy td:first-child { color: var(--text-dim); }

/* status */
.status-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.status-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 20px;
}
.status-card h3 { font-size: 1rem; margin: 0 0 8px; color: var(--accent); }
.status-card p { margin: 0; color: var(--text-dim); font-size: 0.92rem; }

/* cta */
.cta { background: var(--bg-raised); border-top: 1px solid var(--border); }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; }

/* footer */
.site-footer { border-top: 1px solid var(--border); padding: 28px 0; }
.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--text-faint);
  font-size: 0.85rem;
}
.footer-row nav { display: flex; gap: 18px; }
.footer-row nav a { color: var(--text-faint); }
.footer-row nav a:hover { color: var(--text-dim); }

@media (max-width: 720px) {
  .site-nav { gap: 14px; }
  .site-nav a:not(.nav-cta) { display: none; }
  .hero h1 { font-size: 2rem; }
  .status-grid { grid-template-columns: 1fr; }
  .stack-row { flex-direction: column; align-items: flex-start; gap: 4px; }
  .stack-owner { text-align: left; }
}