/* VectorEX landing page — plain CSS, no framework. */
:root {
  --bg: #0b0e14;
  --panel: #12161f;
  --panel-2: #171c27;
  --line: #232a38;
  --text: #e8ecf4;
  --muted: #9aa4b5;
  --accent: #5eead4;
  --accent-2: #38bdf8;
  --warn: #fbbf24;
  --long: #34d399;
  --short: #f87171;
  --flat: #9aa4b5;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
main { max-width: 880px; margin: 0 auto; padding: 0 20px; }
section { padding: 56px 0; border-bottom: 1px solid var(--line); }
section:last-of-type { border-bottom: 0; }
h1 { font-size: clamp(1.9rem, 5vw, 3rem); line-height: 1.15; margin: 16px 0 12px; letter-spacing: -0.02em; }
h2 { font-size: 1.5rem; margin: 0 0 16px; letter-spacing: -0.01em; }
h3 { margin: 0 0 8px; font-size: 1.1rem; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
.muted { color: var(--muted); }

/* Top bar */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  max-width: 880px; margin: 0 auto; padding: 16px 20px;
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 800; font-size: 1.1rem; color: var(--text); text-decoration: none; letter-spacing: -0.02em; }
.topnav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.topnav a { color: var(--muted); font-size: 0.92rem; }
.topnav a:hover { color: var(--text); }
.nav-cta { color: var(--accent) !important; font-weight: 600; }

/* Hero */
.hero { padding-top: 72px; text-align: left; }
.badge {
  display: inline-block; padding: 4px 12px; border-radius: 999px;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.06em;
}
.badge-paper {
  color: #1c1917; background: var(--warn);
  border: 1px solid color-mix(in srgb, var(--warn) 70%, black);
}
.sub { color: var(--muted); max-width: 640px; font-size: 1.05rem; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; margin: 26px 0 10px; }
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 10px;
  font-weight: 700; text-decoration: none; font-size: 0.98rem;
}
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn-primary { background: var(--accent); color: #04211b; }
.btn-secondary { background: transparent; color: var(--text); border: 1px solid var(--line); }
.disclosure { color: var(--muted); font-size: 0.82rem; margin: 4px 0 0; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  padding: 18px 18px 14px;
}
.card p { color: var(--muted); font-size: 0.94rem; margin: 0; }
.engine-note {
  margin-top: 18px; padding: 14px 16px; border-radius: 12px;
  background: var(--panel-2); border: 1px solid var(--line);
  color: var(--muted); font-size: 0.94rem;
}
.engine-note strong { color: var(--text); }

/* Live section */
.live-sub { color: var(--muted); max-width: 640px; }
.trackrecord { font-size: 1.02rem; }
.table-wrap { overflow-x: auto; margin: 18px 0; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.05em; }
td .pos { font-weight: 600; }
.pos-long { color: var(--long); }
.pos-short { color: var(--short); }
.pos-flat { color: var(--flat); }
.pnl-pos { color: var(--long); }
.pnl-neg { color: var(--short); }
#live-fallback { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
#live-fallback ul { margin: 8px 0 0; padding-left: 20px; }
.dash-link { font-weight: 600; }
.chart-block { margin-top: 22px; }
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 0.85rem; color: var(--muted); margin-bottom: 8px; }
.legend .sw { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 6px; vertical-align: baseline; }
#equity-chart { width: 100%; height: 260px; display: block; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; }
.chart-note { color: var(--muted); font-size: 0.82rem; margin: 8px 0 0; }

/* Research */
.research-links { padding-left: 20px; color: var(--muted); }
.research-links li { margin: 8px 0; }

/* Tiers */
.soon {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--warn); border: 1px solid color-mix(in srgb, var(--warn) 55%, transparent);
  border-radius: 999px; padding: 3px 10px; vertical-align: middle; margin-left: 8px;
}
.risk-inline { color: var(--muted); font-size: 0.85rem; margin-top: 14px; }

/* FAQ */
.faq dt { font-weight: 700; margin-top: 18px; }
.faq dd { margin: 6px 0 0; color: var(--muted); }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 40px 20px 28px; }
.foot-cols {
  max-width: 880px; margin: 0 auto; display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px;
}
footer h4 { margin: 0 0 8px; font-size: 0.9rem; }
footer p { margin: 6px 0; font-size: 0.9rem; }
.nfa { max-width: 880px; margin: 26px auto 0; color: var(--muted); font-size: 0.82rem; text-align: center; }

@media (max-width: 560px) {
  .topnav { gap: 12px; }
  .topnav a:not(.nav-cta) { display: none; }
  .hero { padding-top: 48px; }
}