:root {
  --bg: #0d1117;
  --fg: #e6edf3;
  --muted: #9aa4ae;
  --gold: #d4a853;
  --copper: #c8956a;
  --border: #30363d;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

header, main, footer {
  width: 100%;
  max-width: 60ch;
  padding: 0 1.5rem;
}

header {
  padding-top: 4rem;
  padding-bottom: 2rem;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

.tagline {
  font-size: 1.1rem;
  color: var(--fg);
}

main {
  padding-bottom: 2rem;
}

.lead {
  font-size: 1.05rem;
  margin-bottom: 1rem;
}

.note {
  color: var(--muted);
  border-left: 2px solid var(--copper);
  padding-left: 1rem;
}

footer {
  margin-top: auto;
  padding-top: 2rem;
  padding-bottom: 3rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

a {
  color: var(--gold);
  text-decoration: underline;
}

a:hover { color: var(--copper); }