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

body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  background: #08090c;
  color: green;
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #202630;
}

.logo { font-weight: 700; letter-spacing: 0.04em; }

.nav nav { display: flex; gap: 1.25rem; align-items: center; }

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  border: 1px solid #202630;
  background: #12161d;
  color: #f5f7fa;
  cursor: pointer;
  font: inherit;
}

.btn.primary {
  background: #7c5cff;
  border-color: ;
}

.hero {
  text-align: center;
  padding: 5rem 1.5rem 4rem;
  max-width: 640px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
}

.hero p { color: #a7afbd; margin-bottom: 1.75rem; }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  padding: 2rem 1.5rem 4rem;
  max-width: 900px;
  margin: 0 auto;
}

.features article {
  background: #0d1015;
  border: 1px solid #202630;
  border-radius: 12px;
  padding: 1.25rem;
}

.features h3 { margin: 0 0 0.5rem; }
.features p { margin: 0; color: #a7afbd; font-size: 0.9375rem; }

.cta {
  text-align: center;
  padding: 3rem 1.5rem 5rem;
  border-top: 1px solid #202630;
}

.cta h2 { margin-bottom: 1rem; }