:root {
  --bg: #060606;
  --fg: #f2f2f2;
  --muted: #8a8a8a;
  --accent: #7cff00;
  --radius: 4px;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--bg);
  color: var(--fg);
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

header {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 48px 24px;
}

.hero {
  max-width: 720px;
}

h1 {
  font-size: clamp(3rem, 7vw, 5.5rem);
  line-height: 0.9;
  letter-spacing: -0.06em;
  margin: 0;
}

h1 span {
  display: block;
}

h1 span:last-child {
  color: var(--accent);
}

p {
  margin-top: 28px;
  font-size: 18px;
  color: var(--muted);
  max-width: 520px;
}

.cta {
  display: inline-block;
  margin-top: 42px;
  padding: 18px 28px;
  background: var(--accent);
  color: #000;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius);
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding: 96px 48px;
  border-top: 1px solid #1a1a1a;
}

.features div {
  max-width: 280px;
}

.features h2 {
  font-size: 16px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.features p {
  font-size: 15px;
  color: var(--muted);
}

footer {
  padding: 32px 48px;
  border-top: 1px solid #1a1a1a;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 900px) {
  .features {
    grid-template-columns: 1fr;
    padding: 64px 24px;
  }
}