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

:root {
  --bg: #fafafa;
  --fg: #111;
  --muted: #555;
  --max: 640px;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  padding: 2rem 1rem;
}

main { max-width: var(--max); margin: 0 auto; }

header { margin-bottom: 3rem; }

h1 { font-size: 2rem; letter-spacing: -0.02em; }

.tagline { color: var(--muted); margin-top: 0.25rem; }

.areas { display: grid; gap: 1.5rem; margin-bottom: 3rem; }

.area h2 { font-size: 1rem; font-weight: 600; margin-bottom: 0.25rem; }

.area p { color: var(--muted); font-size: 0.95rem; }

footer {
  border-top: 1px solid #e0e0e0;
  padding-top: 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

footer a { color: var(--fg); }