:root {
  --bg: #0a0a0d;
  --bg-elevated: #131318;
  --text: #f4f4f5;
  --text-muted: #9a9aa5;
  --accent: #7c3aed;
  --accent-soft: rgba(124, 58, 237, 0.15);
  --border: rgba(255, 255, 255, 0.08);
  --max-width: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10, 10, 13, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wordmark {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.nav-cta {
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: border-color 0.15s ease;
}

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

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.hero {
  padding: 96px 0 72px;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.eyebrow {
  display: inline-block;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin: 0 0 24px;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
}

.subhead {
  color: var(--text-muted);
  font-size: 18px;
  margin: 0 0 36px;
}

.cta {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 10px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--accent-soft);
}

.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 0 0 96px;
}

@media (max-width: 860px) {
  .features {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .features {
    grid-template-columns: 1fr;
  }
}

.feature {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 22px;
}

.feature-icon {
  font-size: 28px;
  display: block;
  margin-bottom: 16px;
}

.feature h3 {
  font-size: 16px;
  margin: 0 0 8px;
}

.feature p {
  color: var(--text-muted);
  font-size: 14px;
  margin: 0;
}

.waitlist {
  text-align: center;
  padding: 64px 0 96px;
  border-top: 1px solid var(--border);
}

.waitlist h2 {
  font-size: 28px;
  margin: 0 0 12px;
}

.waitlist p {
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto;
}

.footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  padding: 32px 24px;
  border-top: 1px solid var(--border);
}
