:root {
  --ink: #f4efe4;
  --muted: #c8c0b0;
  --gold: #e2b657;
  --line: rgba(244, 239, 228, 0.16);
  --bg: #07080b;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Instrument Sans", sans-serif;
  color: var(--ink);
  background: var(--bg);
}
.stage {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: #05060a;
}
.hero-video, .hero-fallback, .brain, .scan, .vignette {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero-video {
  object-fit: cover;
  filter: saturate(0.7) contrast(1.05) brightness(0.55);
}
.hero-fallback {
  background:
    radial-gradient(ellipse at 30% 40%, rgba(226, 182, 87, 0.18), transparent 50%),
    url("https://images.unsplash.com/photo-1558618666-fcd25c85cd64?auto=format&fit=crop&w=1800&q=70") center/cover;
  opacity: 0.35;
}
.brain { pointer-events: none; mix-blend-mode: screen; opacity: 0.72; }
.scan {
  background: repeating-linear-gradient(
    to bottom,
    transparent 0 3px,
    rgba(0, 0, 0, 0.12) 3px 4px
  );
  opacity: 0.35;
  pointer-events: none;
}
.vignette {
  background:
    linear-gradient(180deg, rgba(7,8,11,0.35) 0%, rgba(7,8,11,0.55) 45%, rgba(7,8,11,0.92) 100%),
    radial-gradient(ellipse at center, transparent 20%, rgba(7,8,11,0.65) 100%);
  pointer-events: none;
}
.nav, main, footer { position: relative; z-index: 2; }
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 7vw;
}
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.logo img { height: 42px; width: auto; display: block; }
.nav nav { display: flex; gap: 22px; align-items: center; }
.nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
.nav a.cta, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gold);
  color: #1a1408;
  background: var(--gold);
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 650;
  text-decoration: none;
  cursor: pointer;
}
.btn.ghost, .nav a:not(.cta) {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.hero {
  min-height: 78vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 8vh 7vw 6vh;
  max-width: 920px;
}
.kicker {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}
h1, h2 { font-weight: 650; letter-spacing: -0.03em; line-height: 1.05; }
h1 { font-size: clamp(2.4rem, 6vw, 4.6rem); margin: 10px 0 16px; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.8rem); }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 640px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 16px; }
.legal-line { font-size: 0.82rem; color: #9a9386; }
.reel {
  display: flex;
  gap: 28px;
  overflow: hidden;
  padding: 14px 7vw;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  background: rgba(7,8,11,0.45);
}
.panel { padding: 80px 7vw; background: rgba(7, 8, 11, 0.72); backdrop-filter: blur(10px); }
.split, .reg-wrap, .forms, .grid3 { display: grid; gap: 28px; }
.split { grid-template-columns: 1.1fr 0.9fr; }
.grid3 { grid-template-columns: repeat(3, 1fr); }
.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.cards li, .method article, .card-form {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
  padding: 18px 20px;
  border-radius: 16px;
}
.cards strong { display: block; color: var(--gold); margin-bottom: 6px; }
.n { font-family: "IBM Plex Mono", monospace; color: var(--gold); }
.note { color: var(--muted); max-width: 760px; }
.flash { color: #f3b4b8; }
.card-form { display: grid; gap: 10px; }
.card-form.dim { opacity: 0.92; }
label { display: grid; gap: 6px; font-size: 0.88rem; color: var(--muted); }
input, select {
  background: #10131a;
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 10px 12px;
  border-radius: 10px;
  font: inherit;
}
.check { grid-template-columns: 18px 1fr; align-items: start; }
.forms { grid-template-columns: 1.1fr 0.9fr; }
footer {
  padding: 28px 7vw 40px;
  color: #8d867a;
  font-size: 0.82rem;
  background: #07080b;
}
@media (max-width: 860px) {
  .split, .forms, .grid3 { grid-template-columns: 1fr; }
  .nav nav { display: none; }
  .hero { min-height: 70vh; }
}