:root {
  --bg: #07080c;
  --ink: #e8edf5;
  --muted: #9aa6b8;
  --line: rgba(255, 255, 255, 0.12);
  --gold: #e4c56a;
  --gold-ink: #1a1406;
  --card: #12151c;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font: 17px/1.55 "Instrument Sans", "Segoe UI", sans-serif;
}
a { color: var(--gold); }
img { max-width: 100%; }
.stage {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(1200px 600px at 70% 10%, #1a2744 0%, transparent 55%), #07080c;
}
.brain { position: absolute; inset: 0; width: 100%; height: 100%; }
.scan, .vignette { position: absolute; inset: 0; }
.vignette { background: radial-gradient(circle at center, transparent 40%, rgba(0, 0, 0, 0.55) 100%); }
.nav, main, footer { position: relative; z-index: 1; }
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 28px;
}
.nav .logo img { height: 36px; display: block; }
.nav nav { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; }
.nav nav a { color: var(--ink); text-decoration: none; font-size: 15px; }
.nav nav a:hover { color: var(--gold); }
.nav nav a.cta {
  background: var(--gold);
  color: var(--gold-ink);
  font-weight: 700;
  border-radius: 999px;
  padding: 8px 14px;
}
.hero, .panel { max-width: 1080px; margin: 0 auto; padding: 28px 24px 8px; }
.hero { padding-top: 48px; max-width: 820px; }
.kicker {
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  margin: 0 0 10px;
}
h1, h2, h3 { line-height: 1.15; margin: 0 0 12px; }
h1 { font-size: 52px; letter-spacing: -0.03em; }
h2 { font-size: 34px; }
.lede, .legal-line, .note, .hint { color: var(--muted); }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 22px 0; }
.btn {
  display: inline-block;
  text-decoration: none;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.btn.gold { background: var(--gold); color: var(--gold-ink); }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.reel {
  display: flex;
  gap: 22px;
  overflow: hidden;
  padding: 28px 24px;
  color: var(--gold);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 13px;
  letter-spacing: 0.08em;
}
.panel { padding-top: 48px; padding-bottom: 12px; }
.split, .grid3, .reg-wrap { display: grid; gap: 28px; }
.split { grid-template-columns: 1.2fr 0.8fr; }
.grid3 { grid-template-columns: repeat(3, 1fr); margin-top: 22px; }
.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.cards li, .grid3 article, .card-form {
  background: rgba(18, 21, 28, 0.88);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 18px;
}
.n { color: var(--gold); font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 13px; }
.reg-wrap { grid-template-columns: 1fr 1fr; align-items: start; }
.card-form { display: grid; gap: 10px; }
.card-form label { display: grid; gap: 4px; font-size: 14px; color: var(--muted); }
.card-form input, .card-form select {
  width: 100%;
  background: #0c0e13;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
}
.check { display: flex !important; grid-template-columns: auto 1fr; align-items: start; gap: 8px; }
.check input { width: auto; margin-top: 4px; }
footer { padding: 40px 24px 28px; color: var(--muted); font-size: 13px; text-align: center; }
.demo-modal {
  position: fixed;
  inset: 0;
  z-index: 5;
  background: rgba(0, 0, 0, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.demo-modal[hidden] { display: none; }
.demo-card { position: relative; width: min(960px, 100%); }
.demo-card video { width: 100%; border-radius: 16px; background: #000; }
.demo-close {
  position: absolute;
  top: -12px;
  right: -12px;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  background: var(--gold);
  color: var(--gold-ink);
  font-size: 22px;
  cursor: pointer;
}
@media (max-width: 800px) {
  h1 { font-size: 36px; }
  .split, .grid3, .reg-wrap { grid-template-columns: 1fr; }
  .nav { align-items: flex-start; flex-direction: column; }
}