:root {
  --bg: #0b0f1a;
  --surface: #121829;
  --text: #e7ecf5;
  --muted: #9aa6be;
  --accent: #5b8cff;
  --accent-hover: #7aa2ff;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family:
    system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.nav {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-cta {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

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

main {
  flex: 1;
}

.hero {
  max-width: 960px;
  margin: 0 auto;
  padding: 6rem 1.5rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin: 0 0 1rem;
  letter-spacing: -0.03em;
}

.tagline {
  font-size: 1.25rem;
  color: var(--muted);
  margin: 0 0 2.5rem;
}

.cta {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  transition: background 0.15s ease;
}

.cta:hover {
  background: var(--accent-hover);
}

.footer {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  color: var(--muted);
  font-size: 0.875rem;
}