:root {
  --bg: #0b1020;
  --bg2: #111831;
  --text: #eef1f8;
  --muted: #a9b3cc;
  --accent: #5b8cff;
  --accent2: #7de3a8;
  --card: #151d38;
  --radius: 14px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
a { color: var(--accent); text-decoration: none; }

.nav { border-bottom: 1px solid #1e2745; position: sticky; top: 0; background: rgba(11,16,32,.92); backdrop-filter: blur(8px); z-index: 10; }
.nav-inner { display: flex; justify-content: space-between; align-items: center; height: 64px; }
.brand { font-weight: 800; font-size: 1.25rem; letter-spacing: -.02em; }
.brand span { font-weight: 400; color: var(--muted); font-size: .85rem; margin-left: 6px; }
.nav nav { display: flex; gap: 20px; align-items: center; }
.nav nav a:not(.btn) { color: var(--muted); }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  padding: 12px 26px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}
.btn:hover { filter: brightness(1.1); }
.btn-small { padding: 8px 18px; font-size: .9rem; }

.hero { padding: 110px 0 90px; text-align: center; background: radial-gradient(ellipse 70% 60% at 50% 0%, #16204a 0%, var(--bg) 70%); }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); line-height: 1.15; letter-spacing: -.03em; margin-bottom: 20px; }
.lede { color: var(--muted); font-size: 1.2rem; max-width: 640px; margin: 0 auto 32px; }

.modules { padding: 80px 0; }
.modules h2, .waitlist h2 { font-size: 1.8rem; letter-spacing: -.02em; margin-bottom: 12px; text-align: center; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 36px; }
.card { background: var(--card); border: 1px solid #22305c; border-radius: var(--radius); padding: 28px; }
.card h3 { margin-bottom: 10px; font-size: 1.15rem; }
.card p { color: var(--muted); font-size: .95rem; }

.waitlist { padding: 80px 0 100px; text-align: center; background: var(--bg2); }
.waitlist p { color: var(--muted); margin-bottom: 24px; }
#waitlist-form { display: flex; gap: 12px; justify-content: center; max-width: 480px; margin: 0 auto; flex-wrap: wrap; }
#waitlist-form input {
  flex: 1; min-width: 220px;
  padding: 12px 18px; border-radius: 999px;
  border: 1px solid #2a3468;
  background: var(--bg); color: var(--text); font-size: 1rem;
}
.form-msg { margin-top: 16px; min-height: 1.5em; font-weight: 600; }
.form-msg.ok { color: var(--accent2); }
.form-msg.err { color: #ff8a8a; }

footer { border-top: 1px solid #1e2745; padding: 28px 0; text-align: center; color: var(--muted); font-size: .9rem; }