:root {
  --bg: #0f172a;
  --fg: #e5e7eb;
  --muted: #94a3b8;
  --accent: #38bdf8;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 4rem 2rem;
}

.hero-content {
  max-width: 800px;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.hero h2 {
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: 2rem;
}

.hero-links a {
  margin-right: 1.5rem;
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
}

.section {
  padding: 4rem 2rem;
  max-width: 1000px;
  margin: auto;
}

.section.alt {
  background: #020617;
}

.section h3 {
  font-size: 2rem;
  margin-bottom: 2rem;
}

.cards {
  list-style: none;
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.cards li {
  background: #020617;
  padding: 2rem;
  border-radius: 8px;
}

.cards h4 {
  margin-bottom: 0.75rem;
}

.cards p {
  color: var(--muted);
}

footer {
  text-align: center;
  padding: 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}