:root {
  --bg: #0b0c0e;
  --surface: #131519;
  --text: #e8eaed;
  --muted: #9aa0a8;
  --accent: #4fd1a5;
  --border: #23262c;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main {
  max-width: 44rem;
  width: 100%;
  margin: 0 auto;
  padding: 3.5rem 1.5rem 2rem;
  flex: 1;
}
h1 {
  font-size: 2rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}
h1 .accent { color: var(--accent); }
h2 {
  font-size: 1.15rem;
  margin: 2rem 0 0.6rem;
  color: var(--text);
}
p, li { color: var(--muted); margin-bottom: 0.9rem; }
ul { padding-left: 1.3rem; margin-bottom: 0.9rem; }
li { margin-bottom: 0.4rem; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.tagline { font-size: 1.05rem; margin-bottom: 1.8rem; }
.meta {
  font-size: 0.85rem;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.2rem;
  margin-bottom: 1.2rem;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.2rem 1.4rem;
  margin: 1.5rem 0;
}
.card p:last-child { margin-bottom: 0; }
footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
}
footer nav a { margin: 0 0.75rem; }
@media (max-width: 480px) {
  main { padding: 2.5rem 1.1rem 1.5rem; }
  h1 { font-size: 1.6rem; }
}