:root {
  --bg: #0b1020;
  --surface: #141b34;
  --surface-2: #1b2446;
  --text: #e8ecff;
  --muted: #b5bfec;
  --accent: #7a8cff;
  --accent-2: #9f78ff;
  --border: #2e3968;
  --container-width: 1120px;
  --radius: 16px;
  font-family: Inter, Segoe UI, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: radial-gradient(circle at top right, #202a52 0%, var(--bg) 55%);
  color: var(--text);
}

.container {
  width: min(100% - 2rem, var(--container-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
  background: rgba(11, 16, 32, 0.75);
  border-bottom: 1px solid rgba(122, 140, 255, 0.2);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
  text-decoration: none;
}

.nav-cta {
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.5rem 0.95rem;
  font-weight: 600;
}

.hero {
  padding: 6rem 0 3.5rem;
}

.hero-content {
  max-width: 760px;
}

.eyebrow {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-size: 0.8rem;
  margin: 0 0 1rem;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  max-width: 16ch;
}

.lead {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 1.06rem;
  line-height: 1.7;
  max-width: 62ch;
}

.hero-actions {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: 650;
  border-radius: 999px;
  min-height: 44px;
  padding: 0.65rem 1.1rem;
}

.button.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.button.ghost {
  color: var(--text);
  border: 1px solid var(--border);
  background: rgba(20, 27, 52, 0.6);
}

.section {
  padding: 2.6rem 0;
}

.section h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.feature-grid {
  margin-top: 1.2rem;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: rgba(20, 27, 52, 0.75);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
}

.card h3 {
  font-size: 1.06rem;
}

.card p {
  color: var(--muted);
  line-height: 1.6;
  margin: 0.6rem 0 0;
}

.alt {
  padding-bottom: 4rem;
}

.join {
  text-align: center;
  background: rgba(27, 36, 70, 0.75);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1rem;
}

.join p {
  color: var(--muted);
  margin: 0.7rem 0 1.1rem;
}

.site-footer {
  border-top: 1px solid rgba(122, 140, 255, 0.15);
}

.footer-content {
  min-height: 72px;
  display: flex;
  align-items: center;
  color: var(--muted);
}

@media (max-width: 780px) {
  .nav {
    min-height: 64px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 4.2rem;
  }
}