* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, sans-serif;
}

body {
  background: #0f172a;
  color: #f1f5f9;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 48px;
}

.logo {
  font-size: 1.4rem;
  font-weight: 600;
}

.nav-actions .btn {
  margin-left: 12px;
}

.hero {
  text-align: center;
  padding: 120px 20px;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  opacity: 0.8;
}

.features {
  display: flex;
  justify-content: center;
  gap: 32px;
  padding: 60px 40px;
}

.card {
  background: #1e293b;
  padding: 24px;
  border-radius: 12px;
  width: 280px;
}

.btn {
  padding: 10px 18px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  display: inline-block;
}

.primary {
  background: #3b82f6;
  color: white;
}

.primary.large {
  padding: 14px 28px;
}

.ghost {
  background: transparent;
  border: 1px solid #475569;
  color: #f1f5f9;
}

.footer {
  text-align: center;
  padding: 40px;
  opacity: 0.6;
}