:root {
  --bg: #0b1220;
  --bg-alt: #111a2e;
  --surface: #162038;
  --text: #e8eef9;
  --muted: #9aa8c3;
  --accent: #4f8cff;
  --accent-hover: #6ba0ff;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 12px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, Cantarell, "Noto Sans", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.wrap {
  width: min(960px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  font-weight: 650;
  letter-spacing: -0.02em;
}

.logo:hover { color: var(--text); }

.logo-mark {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), #7c5cff);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.12);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  font-size: 0.95rem;
}

.nav > a:not(.btn) { color: var(--muted); }
.nav > a:not(.btn):hover { color: var(--text); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover {
  border-color: rgba(255,255,255,0.2);
  color: var(--text);
}

.btn-lg {
  padding: 0.75rem 1.35rem;
  font-size: 1rem;
}

.hero {
  padding: 4.5rem 0 3.5rem;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(79, 140, 255, 0.22), transparent),
    var(--bg);
}

.hero-inner { max-width: 42rem; }

.eyebrow {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--accent);
  background: rgba(79, 140, 255, 0.12);
  border: 1px solid rgba(79, 140, 255, 0.25);
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.value-prop {
  margin: 0 0 1rem;
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 36rem;
}

.distinction {
  margin: 0 0 1.75rem;
  padding: 0.9rem 1rem;
  border-left: 3px solid var(--accent);
  background: var(--surface);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.distinction strong { color: var(--text); }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.section {
  padding: 3.5rem 0;
}

.section-alt {
  background: var(--bg-alt);
  border-block: 1px solid var(--border);
}

.section h2 {
  margin: 0 0 1.25rem;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.section-lead {
  margin: 0 0 1.25rem;
  color: var(--muted);
  max-width: 40rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.teaser-list {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
  color: var(--muted);
}

.teaser-list li { margin-bottom: 0.35rem; }

.muted { color: var(--muted); font-size: 0.95rem; }

.waitlist { text-align: center; }
.waitlist p { color: var(--muted); margin: 0 0 1.25rem; }
.waitlist .cta-row { justify-content: center; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0 2.5rem;
}

.footer-inner p { margin: 0 0 0.35rem; }
.footer-inner .muted { font-size: 0.88rem; }

@media (max-width: 640px) {
  .nav > a:not(.btn) { display: none; }
  .hero { padding-top: 3rem; }
  .header-inner { padding: 0.7rem 0; }
}